9ed122b31f
As UpdateColumnSizes() uses client size, call it after the client size is set correctly after adjusting scrollbars to the new virtual size.
6937 lines
203 KiB
C++
6937 lines
203 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/generic/datavgen.cpp
|
|
// Purpose: wxDataViewCtrl generic implementation
|
|
// Author: Robert Roebling
|
|
// Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
|
|
// Copyright: (c) 1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#if wxUSE_DATAVIEWCTRL
|
|
|
|
#include "wx/dataview.h"
|
|
|
|
#ifdef wxHAS_GENERIC_DATAVIEWCTRL
|
|
|
|
#ifndef WX_PRECOMP
|
|
#ifdef __WXMSW__
|
|
#include "wx/app.h" // GetRegisteredClassName()
|
|
#include "wx/msw/private.h"
|
|
#include "wx/msw/wrapwin.h"
|
|
#include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
|
|
#endif
|
|
#include "wx/sizer.h"
|
|
#include "wx/log.h"
|
|
#include "wx/dcclient.h"
|
|
#include "wx/timer.h"
|
|
#include "wx/settings.h"
|
|
#include "wx/msgdlg.h"
|
|
#include "wx/dcscreen.h"
|
|
#include "wx/frame.h"
|
|
#include "wx/vector.h"
|
|
#endif
|
|
|
|
#include "wx/stockitem.h"
|
|
#include "wx/popupwin.h"
|
|
#include "wx/renderer.h"
|
|
#include "wx/dcbuffer.h"
|
|
#include "wx/icon.h"
|
|
#include "wx/itemattr.h"
|
|
#include "wx/list.h"
|
|
#include "wx/listimpl.cpp"
|
|
#include "wx/imaglist.h"
|
|
#include "wx/headerctrl.h"
|
|
#include "wx/dnd.h"
|
|
#include "wx/selstore.h"
|
|
#include "wx/stopwatch.h"
|
|
#include "wx/weakref.h"
|
|
#include "wx/generic/private/markuptext.h"
|
|
#include "wx/generic/private/rowheightcache.h"
|
|
#include "wx/generic/private/widthcalc.h"
|
|
#if wxUSE_ACCESSIBILITY
|
|
#include "wx/private/markupparser.h"
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// classes
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxDataViewColumn;
|
|
class wxDataViewHeaderWindow;
|
|
class wxDataViewCtrl;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// constants
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// the cell padding on the left/right
|
|
static const int PADDING_RIGHTLEFT = 3;
|
|
|
|
namespace
|
|
{
|
|
|
|
// The column is either the index of the column to be used for sorting or one
|
|
// of the special values in this enum:
|
|
enum
|
|
{
|
|
// Don't sort at all.
|
|
SortColumn_None = -2,
|
|
|
|
// Sort using the model default sort order.
|
|
SortColumn_Default = -1
|
|
};
|
|
|
|
// A class storing the definition of sort order used, as a column index and
|
|
// sort direction by this column.
|
|
//
|
|
// Notice that the sort order may be invalid, meaning that items shouldn't be
|
|
// sorted.
|
|
class SortOrder
|
|
{
|
|
public:
|
|
explicit SortOrder(int column = SortColumn_None, bool ascending = true)
|
|
: m_column(column),
|
|
m_ascending(ascending)
|
|
{
|
|
}
|
|
|
|
// Default copy ctor, assignment operator and dtor are all OK.
|
|
|
|
bool IsNone() const { return m_column == SortColumn_None; }
|
|
|
|
int GetColumn() const { return m_column; }
|
|
bool IsAscending() const { return m_ascending; }
|
|
|
|
bool operator==(const SortOrder& other) const
|
|
{
|
|
return m_column == other.m_column && m_ascending == other.m_ascending;
|
|
}
|
|
|
|
bool operator!=(const SortOrder& other) const
|
|
{
|
|
return !(*this == other);
|
|
}
|
|
|
|
private:
|
|
int m_column;
|
|
bool m_ascending;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helper functions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Return the expander column or, if it is not set, the first column and also
|
|
// set it as the expander one for the future.
|
|
wxDataViewColumn* GetExpanderColumnOrFirstOne(wxDataViewCtrl* dataview)
|
|
{
|
|
wxDataViewColumn* expander = dataview->GetExpanderColumn();
|
|
if (!expander)
|
|
{
|
|
// TODO-RTL: last column for RTL support
|
|
expander = dataview->GetColumnAt( 0 );
|
|
dataview->SetExpanderColumn(expander);
|
|
}
|
|
|
|
return expander;
|
|
}
|
|
|
|
wxTextCtrl *CreateEditorTextCtrl(wxWindow *parent, const wxRect& labelRect, const wxString& value)
|
|
{
|
|
wxTextCtrl* ctrl = new wxTextCtrl(parent, wxID_ANY, value,
|
|
labelRect.GetPosition(),
|
|
labelRect.GetSize(),
|
|
wxTE_PROCESS_ENTER);
|
|
|
|
// Adjust size of wxTextCtrl editor to fit text, even if it means being
|
|
// wider than the corresponding column (this is how Explorer behaves).
|
|
const int fitting = ctrl->GetSizeFromTextSize(ctrl->GetTextExtent(ctrl->GetValue())).x;
|
|
const int current = ctrl->GetSize().x;
|
|
const int maxwidth = ctrl->GetParent()->GetSize().x - ctrl->GetPosition().x;
|
|
|
|
// Adjust size so that it fits all content. Don't change anything if the
|
|
// allocated space is already larger than needed and don't extend wxDVC's
|
|
// boundaries.
|
|
int width = wxMin(wxMax(current, fitting), maxwidth);
|
|
|
|
if ( width != current )
|
|
ctrl->SetSize(wxSize(width, -1));
|
|
|
|
// select the text in the control an place the cursor at the end
|
|
ctrl->SetInsertionPointEnd();
|
|
ctrl->SelectAll();
|
|
|
|
return ctrl;
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewColumn
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void wxDataViewColumn::Init(int width, wxAlignment align, int flags)
|
|
{
|
|
m_width =
|
|
m_manuallySetWidth = width;
|
|
m_minWidth = 0;
|
|
m_align = align;
|
|
m_flags = flags;
|
|
m_sort = false;
|
|
m_sortAscending = true;
|
|
}
|
|
|
|
int wxDataViewColumn::GetWidth() const
|
|
{
|
|
switch ( m_width )
|
|
{
|
|
case wxCOL_WIDTH_DEFAULT:
|
|
return wxWindow::FromDIP(wxDVC_DEFAULT_WIDTH, m_owner);
|
|
|
|
case wxCOL_WIDTH_AUTOSIZE:
|
|
wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" );
|
|
return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this));
|
|
|
|
default:
|
|
return m_width;
|
|
}
|
|
}
|
|
|
|
void wxDataViewColumn::WXOnResize(int width)
|
|
{
|
|
m_width =
|
|
m_manuallySetWidth = width;
|
|
|
|
m_owner->OnColumnResized();
|
|
}
|
|
|
|
void wxDataViewColumn::UpdateDisplay()
|
|
{
|
|
if (m_owner)
|
|
{
|
|
int idx = m_owner->GetColumnIndex( this );
|
|
m_owner->OnColumnChange( idx );
|
|
}
|
|
}
|
|
|
|
void wxDataViewColumn::UpdateWidth()
|
|
{
|
|
if (m_owner)
|
|
{
|
|
int idx = m_owner->GetColumnIndex( this );
|
|
m_owner->OnColumnWidthChange( idx );
|
|
}
|
|
}
|
|
|
|
void wxDataViewColumn::UnsetAsSortKey()
|
|
{
|
|
m_sort = false;
|
|
|
|
if ( m_owner )
|
|
m_owner->DontUseColumnForSorting(m_owner->GetColumnIndex(this));
|
|
|
|
UpdateDisplay();
|
|
}
|
|
|
|
void wxDataViewColumn::SetSortOrder(bool ascending)
|
|
{
|
|
if ( !m_owner )
|
|
return;
|
|
|
|
const int idx = m_owner->GetColumnIndex(this);
|
|
|
|
// If this column isn't sorted already, mark it as sorted
|
|
if ( !m_sort )
|
|
{
|
|
wxASSERT(!m_owner->IsColumnSorted(idx));
|
|
|
|
// Now set this one as the new sort column.
|
|
m_owner->UseColumnForSorting(idx);
|
|
m_sort = true;
|
|
}
|
|
|
|
m_sortAscending = ascending;
|
|
|
|
// Call this directly instead of using UpdateDisplay() as we already have
|
|
// the column index, no need to look it up again.
|
|
m_owner->OnColumnChange(idx);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewHeaderWindow
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxDataViewHeaderWindow : public wxHeaderCtrl
|
|
{
|
|
public:
|
|
wxDataViewHeaderWindow(wxDataViewCtrl *parent)
|
|
: wxHeaderCtrl(parent, wxID_ANY,
|
|
wxDefaultPosition, wxDefaultSize,
|
|
wxHD_DEFAULT_STYLE | wxHD_BITMAP_ON_RIGHT)
|
|
{
|
|
}
|
|
|
|
wxDataViewCtrl *GetOwner() const
|
|
{ return static_cast<wxDataViewCtrl *>(GetParent()); }
|
|
|
|
// Add/Remove additional column to sorting columns
|
|
void ToggleSortByColumn(int column)
|
|
{
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
|
|
if ( !owner->IsMultiColumnSortAllowed() )
|
|
return;
|
|
|
|
wxDataViewColumn * const col = owner->GetColumn(column);
|
|
if ( !col->IsSortable() )
|
|
return;
|
|
|
|
if ( owner->IsColumnSorted(column) )
|
|
{
|
|
col->UnsetAsSortKey();
|
|
SendEvent(wxEVT_DATAVIEW_COLUMN_SORTED, column);
|
|
}
|
|
else // Do start sortign by it.
|
|
{
|
|
col->SetSortOrder(true);
|
|
SendEvent(wxEVT_DATAVIEW_COLUMN_SORTED, column);
|
|
}
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
virtual wxAccessible* CreateAccessible() wxOVERRIDE
|
|
{
|
|
// Under MSW wxHeadrCtrl is a native control
|
|
// so we just need to pass all requests
|
|
// to the accessibility framework.
|
|
return new wxAccessible(this);
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
protected:
|
|
// implement/override wxHeaderCtrl functions by forwarding them to the main
|
|
// control
|
|
virtual const wxHeaderColumn& GetColumn(unsigned int idx) const wxOVERRIDE
|
|
{
|
|
return *(GetOwner()->GetColumn(idx));
|
|
}
|
|
|
|
virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle) wxOVERRIDE
|
|
{
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
|
|
int widthContents = owner->GetBestColumnWidth(idx);
|
|
owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
|
|
owner->OnColumnChange(idx);
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
void FinishEditing();
|
|
|
|
bool SendEvent(wxEventType type, unsigned int n)
|
|
{
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
wxDataViewEvent event(type, owner, owner->GetColumn(n));
|
|
|
|
// for events created by wxDataViewHeaderWindow the
|
|
// row / value fields are not valid
|
|
return owner->ProcessWindowEvent(event);
|
|
}
|
|
|
|
void OnClick(wxHeaderCtrlEvent& event)
|
|
{
|
|
FinishEditing();
|
|
|
|
const unsigned idx = event.GetColumn();
|
|
|
|
if ( SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
|
|
return;
|
|
|
|
// default handling for the column click is to sort by this column or
|
|
// toggle its sort order
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
wxDataViewColumn * const col = owner->GetColumn(idx);
|
|
if ( !col->IsSortable() )
|
|
{
|
|
// no default handling for non-sortable columns
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
if ( col->IsSortKey() )
|
|
{
|
|
// already using this column for sorting, just change the order
|
|
col->ToggleSortOrder();
|
|
}
|
|
else // not using this column for sorting yet
|
|
{
|
|
// We will sort by this column only now, so reset all the
|
|
// previously used ones.
|
|
owner->ResetAllSortColumns();
|
|
|
|
// Sort the column
|
|
col->SetSortOrder(true);
|
|
}
|
|
|
|
wxDataViewModel * const model = owner->GetModel();
|
|
if ( model )
|
|
model->Resort();
|
|
|
|
owner->OnColumnChange(idx);
|
|
|
|
SendEvent(wxEVT_DATAVIEW_COLUMN_SORTED, idx);
|
|
}
|
|
|
|
void OnRClick(wxHeaderCtrlEvent& event)
|
|
{
|
|
// Event wasn't processed somewhere, use default behaviour
|
|
if ( !SendEvent(wxEVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
|
|
event.GetColumn()) )
|
|
{
|
|
event.Skip();
|
|
ToggleSortByColumn(event.GetColumn());
|
|
}
|
|
}
|
|
|
|
void OnResize(wxHeaderCtrlEvent& event)
|
|
{
|
|
FinishEditing();
|
|
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
|
|
const unsigned col = event.GetColumn();
|
|
owner->GetColumn(col)->WXOnResize(event.GetWidth());
|
|
}
|
|
|
|
void OnEndReorder(wxHeaderCtrlEvent& event)
|
|
{
|
|
FinishEditing();
|
|
|
|
wxDataViewCtrl * const owner = GetOwner();
|
|
owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
|
|
event.GetNewOrder());
|
|
}
|
|
|
|
wxDECLARE_EVENT_TABLE();
|
|
wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
|
|
};
|
|
|
|
wxBEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
|
|
EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
|
|
EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
|
|
|
|
EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
|
|
EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
|
|
|
|
EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
|
|
wxEND_EVENT_TABLE()
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewRenameTimer
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxDataViewRenameTimer: public wxTimer
|
|
{
|
|
private:
|
|
wxDataViewMainWindow *m_owner;
|
|
|
|
public:
|
|
wxDataViewRenameTimer( wxDataViewMainWindow *owner );
|
|
void Notify() wxOVERRIDE;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewTreeNode
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxDataViewMainWindow;
|
|
class wxDataViewTreeNode;
|
|
|
|
typedef wxVector<wxDataViewTreeNode*> wxDataViewTreeNodes;
|
|
|
|
// Note: this class is not used at all for virtual list models, so all code
|
|
// using it, i.e. any functions taking or returning objects of this type,
|
|
// including wxDataViewMainWindow::m_root, can only be called after checking
|
|
// that we're using a non-"virtual list" model.
|
|
|
|
class wxDataViewTreeNode
|
|
{
|
|
public:
|
|
wxDataViewTreeNode(wxDataViewTreeNode *parent, const wxDataViewItem& item)
|
|
: m_parent(parent),
|
|
m_item(item),
|
|
m_branchData(NULL)
|
|
{
|
|
}
|
|
|
|
~wxDataViewTreeNode()
|
|
{
|
|
if ( m_branchData )
|
|
{
|
|
wxDataViewTreeNodes& nodes = m_branchData->children;
|
|
for ( wxDataViewTreeNodes::iterator i = nodes.begin();
|
|
i != nodes.end();
|
|
++i )
|
|
{
|
|
delete *i;
|
|
}
|
|
|
|
delete m_branchData;
|
|
}
|
|
}
|
|
|
|
static wxDataViewTreeNode* CreateRootNode()
|
|
{
|
|
wxDataViewTreeNode *n = new wxDataViewTreeNode(NULL, wxDataViewItem());
|
|
n->m_branchData = new BranchNodeData;
|
|
n->m_branchData->open = true;
|
|
return n;
|
|
}
|
|
|
|
wxDataViewTreeNode * GetParent() const { return m_parent; }
|
|
|
|
const wxDataViewTreeNodes& GetChildNodes() const
|
|
{
|
|
return m_branchData->children;
|
|
}
|
|
|
|
void InsertChild(wxDataViewMainWindow* window,
|
|
wxDataViewTreeNode *node, unsigned index);
|
|
|
|
void RemoveChild(unsigned index)
|
|
{
|
|
wxCHECK_RET( m_branchData != NULL, "leaf node doesn't have children" );
|
|
m_branchData->RemoveChild(index);
|
|
}
|
|
|
|
// returns position of child node for given item in children list or wxNOT_FOUND
|
|
int FindChildByItem(const wxDataViewItem& item) const
|
|
{
|
|
if ( !m_branchData )
|
|
return wxNOT_FOUND;
|
|
|
|
const wxDataViewTreeNodes& nodes = m_branchData->children;
|
|
const int len = nodes.size();
|
|
for ( int i = 0; i < len; i++ )
|
|
{
|
|
if ( nodes[i]->m_item == item )
|
|
return i;
|
|
}
|
|
return wxNOT_FOUND;
|
|
}
|
|
|
|
const wxDataViewItem & GetItem() const { return m_item; }
|
|
void SetItem( const wxDataViewItem & item ) { m_item = item; }
|
|
|
|
int GetIndentLevel() const
|
|
{
|
|
int ret = 0;
|
|
const wxDataViewTreeNode * node = this;
|
|
while( node->GetParent()->GetParent() != NULL )
|
|
{
|
|
node = node->GetParent();
|
|
ret ++;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool IsOpen() const
|
|
{
|
|
return m_branchData && m_branchData->open;
|
|
}
|
|
|
|
void ToggleOpen(wxDataViewMainWindow* window)
|
|
{
|
|
// We do not allow the (invisible) root node to be collapsed because
|
|
// there is no way to expand it again.
|
|
if ( !m_parent )
|
|
return;
|
|
|
|
wxCHECK_RET( m_branchData != NULL, "can't open leaf node" );
|
|
|
|
int sum = 0;
|
|
|
|
const wxDataViewTreeNodes& nodes = m_branchData->children;
|
|
const int len = nodes.size();
|
|
for ( int i = 0;i < len; i ++)
|
|
sum += 1 + nodes[i]->GetSubTreeCount();
|
|
|
|
if (m_branchData->open)
|
|
{
|
|
ChangeSubTreeCount(-sum);
|
|
m_branchData->open = !m_branchData->open;
|
|
}
|
|
else
|
|
{
|
|
m_branchData->open = !m_branchData->open;
|
|
ChangeSubTreeCount(+sum);
|
|
// Sort the children if needed
|
|
Resort(window);
|
|
}
|
|
}
|
|
|
|
// "HasChildren" property corresponds to model's IsContainer(). Note that it may be true
|
|
// even if GetChildNodes() is empty; see below.
|
|
bool HasChildren() const
|
|
{
|
|
return m_branchData != NULL;
|
|
}
|
|
|
|
void SetHasChildren(bool has)
|
|
{
|
|
// The invisible root item always has children, so ignore any attempts
|
|
// to change this.
|
|
if ( !m_parent )
|
|
return;
|
|
|
|
if ( !has )
|
|
{
|
|
wxDELETE(m_branchData);
|
|
}
|
|
else if ( m_branchData == NULL )
|
|
{
|
|
m_branchData = new BranchNodeData;
|
|
}
|
|
}
|
|
|
|
int GetSubTreeCount() const
|
|
{
|
|
return m_branchData ? m_branchData->subTreeCount : 0;
|
|
}
|
|
|
|
void ChangeSubTreeCount( int num )
|
|
{
|
|
wxASSERT( m_branchData != NULL );
|
|
|
|
if( !m_branchData->open )
|
|
return;
|
|
|
|
m_branchData->subTreeCount += num;
|
|
wxASSERT( m_branchData->subTreeCount >= 0 );
|
|
|
|
if( m_parent )
|
|
m_parent->ChangeSubTreeCount(num);
|
|
}
|
|
|
|
void Resort(wxDataViewMainWindow* window);
|
|
|
|
// Should be called after changing the item value to update its position in
|
|
// the control if necessary.
|
|
void PutInSortOrder(wxDataViewMainWindow* window)
|
|
{
|
|
if ( m_parent )
|
|
m_parent->PutChildInSortOrder(window, this);
|
|
}
|
|
|
|
private:
|
|
// Called by the child after it has been updated to put it in the right
|
|
// place among its siblings, depending on the sort order.
|
|
//
|
|
// The argument must be non-null, but is passed as a pointer as it's
|
|
// inserted into m_branchData->children.
|
|
void PutChildInSortOrder(wxDataViewMainWindow* window,
|
|
wxDataViewTreeNode* childNode);
|
|
|
|
wxDataViewTreeNode *m_parent;
|
|
|
|
// Corresponding model item.
|
|
wxDataViewItem m_item;
|
|
|
|
// Data specific to non-leaf (branch, inner) nodes. They are kept in a
|
|
// separate struct in order to conserve memory.
|
|
struct BranchNodeData
|
|
{
|
|
BranchNodeData()
|
|
: open(false),
|
|
subTreeCount(0)
|
|
{
|
|
}
|
|
|
|
void InsertChild(wxDataViewTreeNode* node, unsigned index)
|
|
{
|
|
children.insert(children.begin() + index, node);
|
|
}
|
|
|
|
void RemoveChild(unsigned index)
|
|
{
|
|
children.erase(children.begin() + index);
|
|
}
|
|
|
|
// Child nodes. Note that this may be empty even if m_hasChildren in
|
|
// case this branch of the tree wasn't expanded and realized yet.
|
|
wxDataViewTreeNodes children;
|
|
|
|
// Order in which children are sorted (possibly none).
|
|
SortOrder sortOrder;
|
|
|
|
// Is the branch node currently open (expanded)?
|
|
bool open;
|
|
|
|
// Total count of expanded (i.e. visible with the help of some
|
|
// scrolling) items in the subtree, but excluding this node. I.e. it is
|
|
// 0 for leaves and is the number of rows the subtree occupies for
|
|
// branch nodes.
|
|
int subTreeCount;
|
|
};
|
|
|
|
BranchNodeData *m_branchData;
|
|
};
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewMainWindow
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxDataViewMainWindow: public wxWindow
|
|
{
|
|
public:
|
|
wxDataViewMainWindow( wxDataViewCtrl *parent,
|
|
wxWindowID id,
|
|
const wxPoint &pos = wxDefaultPosition,
|
|
const wxSize &size = wxDefaultSize,
|
|
const wxString &name = wxT("wxdataviewctrlmainwindow") );
|
|
virtual ~wxDataViewMainWindow();
|
|
|
|
bool IsList() const { return GetModel()->IsListModel(); }
|
|
bool IsVirtualList() const { return m_root == NULL; }
|
|
|
|
// notifications from wxDataViewModel
|
|
bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
|
|
bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
|
|
bool ItemChanged( const wxDataViewItem &item )
|
|
{
|
|
return DoItemChanged(item, wxNOT_FOUND);
|
|
}
|
|
bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
|
|
bool Cleared();
|
|
void Resort()
|
|
{
|
|
ClearRowHeightCache();
|
|
|
|
if (!IsVirtualList())
|
|
{
|
|
m_root->Resort(this);
|
|
}
|
|
UpdateDisplay();
|
|
}
|
|
void ClearRowHeightCache()
|
|
{
|
|
if ( m_rowHeightCache )
|
|
m_rowHeightCache->Clear();
|
|
}
|
|
|
|
SortOrder GetSortOrder() const
|
|
{
|
|
wxDataViewColumn* const col = GetOwner()->GetSortingColumn();
|
|
if ( col )
|
|
{
|
|
return SortOrder(col->GetModelColumn(),
|
|
col->IsSortOrderAscending());
|
|
}
|
|
else
|
|
{
|
|
if (GetModel()->HasDefaultCompare())
|
|
return SortOrder(SortColumn_Default);
|
|
else
|
|
return SortOrder();
|
|
}
|
|
}
|
|
|
|
void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
|
|
wxDataViewCtrl *GetOwner() { return m_owner; }
|
|
const wxDataViewCtrl *GetOwner() const { return m_owner; }
|
|
|
|
wxDataViewModel* GetModel() { return GetOwner()->GetModel(); }
|
|
const wxDataViewModel* GetModel() const { return GetOwner()->GetModel(); }
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
wxBitmap CreateItemBitmap( unsigned int row, int &indent );
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
void OnPaint( wxPaintEvent &event );
|
|
void OnCharHook( wxKeyEvent &event );
|
|
void OnChar( wxKeyEvent &event );
|
|
void OnVerticalNavigation(const wxKeyEvent& event, int delta);
|
|
void OnLeftKey(wxKeyEvent& event);
|
|
void OnRightKey(wxKeyEvent& event);
|
|
void OnMouse( wxMouseEvent &event );
|
|
void OnSetFocus( wxFocusEvent &event );
|
|
void OnKillFocus( wxFocusEvent &event );
|
|
|
|
void UpdateDisplay();
|
|
void RecalculateDisplay();
|
|
void OnInternalIdle() wxOVERRIDE;
|
|
|
|
void OnRenameTimer();
|
|
|
|
void ScrollWindow( int dx, int dy, const wxRect *rect = NULL ) wxOVERRIDE;
|
|
void ScrollTo( int rows, int column );
|
|
|
|
unsigned GetCurrentRow() const { return m_currentRow; }
|
|
bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
|
|
void ChangeCurrentRow( unsigned int row );
|
|
bool TryAdvanceCurrentColumn(wxDataViewTreeNode *node, wxKeyEvent& event, bool forward);
|
|
|
|
wxDataViewColumn *GetCurrentColumn() const { return m_currentCol; }
|
|
void ClearCurrentColumn() { m_currentCol = NULL; }
|
|
|
|
bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
|
|
bool IsEmpty() { return GetRowCount() == 0; }
|
|
|
|
int GetCountPerPage() const;
|
|
int GetEndOfLastCol() const;
|
|
unsigned int GetFirstVisibleRow() const;
|
|
wxDataViewItem GetTopItem() const;
|
|
|
|
// I change this method to un const because in the tree view,
|
|
// the displaying number of the tree are changing along with the
|
|
// expanding/collapsing of the tree nodes
|
|
unsigned int GetLastVisibleRow();
|
|
unsigned int GetLastFullyVisibleRow();
|
|
unsigned int GetRowCount() const;
|
|
|
|
const wxSelectionStore& GetSelections() const { return m_selection; }
|
|
void ClearSelection() { m_selection.SelectRange(0, GetRowCount() - 1, false); }
|
|
void Select( const wxArrayInt& aSelections );
|
|
|
|
void SelectAllRows()
|
|
{
|
|
m_selection.SelectRange(0, GetRowCount() - 1);
|
|
Refresh();
|
|
}
|
|
|
|
// If a valid row is specified and it was previously selected, it is left
|
|
// selected and the function returns false. Otherwise, i.e. if there is
|
|
// really no selection left in the control, it returns true.
|
|
bool UnselectAllRows(unsigned int except = (unsigned int)-1);
|
|
|
|
void SelectRow( unsigned int row, bool on );
|
|
void SelectRows( unsigned int from, unsigned int to );
|
|
void ReverseRowSelection( unsigned int row );
|
|
bool IsRowSelected( unsigned int row );
|
|
void SendSelectionChangedEvent( const wxDataViewItem& item);
|
|
|
|
void RefreshRow( unsigned int row ) { RefreshRows(row, row); }
|
|
void RefreshRows( unsigned int from, unsigned int to );
|
|
void RefreshRowsAfter( unsigned int firstRow );
|
|
|
|
// returns the colour to be used for drawing the rules
|
|
wxColour GetRuleColour() const
|
|
{
|
|
return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
|
|
}
|
|
|
|
wxRect GetLinesRect( unsigned int rowFrom, unsigned int rowTo ) const;
|
|
|
|
int GetLineStart( unsigned int row ) const; // row * m_lineHeight in fixed mode
|
|
int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
|
|
int GetLineAt( unsigned int y ) const; // y / m_lineHeight in fixed mode
|
|
int QueryAndCacheLineHeight(unsigned int row, wxDataViewItem item) const;
|
|
|
|
void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; }
|
|
int GetRowHeight() const { return m_lineHeight; }
|
|
int GetDefaultRowHeight() const;
|
|
|
|
// Some useful functions for row and item mapping
|
|
wxDataViewItem GetItemByRow( unsigned int row ) const;
|
|
int GetRowByItem( const wxDataViewItem & item ) const;
|
|
|
|
wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
|
|
// We did not need this temporarily
|
|
// wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
|
|
|
|
// Methods for building the mapping tree
|
|
void BuildTree( wxDataViewModel * model );
|
|
void DestroyTree();
|
|
void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
|
|
wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
|
|
|
|
void Expand( unsigned int row );
|
|
void Collapse( unsigned int row );
|
|
bool IsExpanded( unsigned int row ) const;
|
|
bool HasChildren( unsigned int row ) const;
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
bool EnableDragSource( const wxDataFormat &format );
|
|
bool EnableDropTarget( const wxDataFormat &format );
|
|
|
|
void RemoveDropHint();
|
|
wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
|
|
bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
|
|
wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
|
|
void OnLeave();
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
void OnColumnsCountChanged();
|
|
|
|
// Adjust last column to window size
|
|
void UpdateColumnSizes();
|
|
|
|
// Called by wxDataViewCtrl and our own OnRenameTimer() to start edit the
|
|
// specified item in the given column.
|
|
void StartEditing(const wxDataViewItem& item, const wxDataViewColumn* col);
|
|
void FinishEditing();
|
|
bool HasEditableColumn(const wxDataViewItem& item) const
|
|
{
|
|
return FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE) != NULL;
|
|
}
|
|
|
|
private:
|
|
void InvalidateCount() { m_count = -1; }
|
|
void UpdateCount(int count)
|
|
{
|
|
m_count = count;
|
|
m_selection.SetItemCount(count);
|
|
}
|
|
|
|
int RecalculateCount() const;
|
|
|
|
// Return false only if the event was vetoed by its handler.
|
|
bool SendExpanderEvent(wxEventType type, const wxDataViewItem& item);
|
|
|
|
wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
|
|
|
|
wxDataViewColumn *FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode) const;
|
|
|
|
bool IsCellEditableInMode(const wxDataViewItem& item, const wxDataViewColumn *col, wxDataViewCellMode mode) const;
|
|
|
|
void DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect );
|
|
|
|
// Common part of {Item,Value}Changed(): if view_column is wxNOT_FOUND,
|
|
// assumes that all columns were modified, otherwise just this one.
|
|
bool DoItemChanged(const wxDataViewItem& item, int view_column);
|
|
|
|
private:
|
|
wxDataViewCtrl *m_owner;
|
|
int m_lineHeight;
|
|
bool m_dirty;
|
|
|
|
wxDataViewColumn *m_currentCol;
|
|
unsigned int m_currentRow;
|
|
wxSelectionStore m_selection;
|
|
|
|
wxDataViewRenameTimer *m_renameTimer;
|
|
bool m_lastOnSame;
|
|
|
|
bool m_hasFocus;
|
|
bool m_useCellFocus;
|
|
bool m_currentColSetByKeyboard;
|
|
HeightCache *m_rowHeightCache;
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
int m_dragCount;
|
|
wxPoint m_dragStart;
|
|
|
|
bool m_dragEnabled;
|
|
wxDataFormat m_dragFormat;
|
|
|
|
bool m_dropEnabled;
|
|
wxDataFormat m_dropFormat;
|
|
bool m_dropHint;
|
|
unsigned int m_dropHintLine;
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
// for double click logic
|
|
unsigned int m_lineLastClicked,
|
|
m_lineBeforeLastClicked,
|
|
m_lineSelectSingleOnUp;
|
|
|
|
// the pen used to draw horiz/vertical rules
|
|
wxPen m_penRule;
|
|
|
|
// This is the tree structure of the model
|
|
wxDataViewTreeNode * m_root;
|
|
int m_count;
|
|
|
|
// This is the tree node under the cursor
|
|
wxDataViewTreeNode * m_underMouse;
|
|
|
|
// The control used for editing or NULL.
|
|
wxWeakRef<wxWindow> m_editorCtrl;
|
|
|
|
// Id m_editorCtrl is non-NULL, pointer to the associated renderer.
|
|
wxDataViewRenderer* m_editorRenderer;
|
|
|
|
private:
|
|
wxDECLARE_DYNAMIC_CLASS(wxDataViewMainWindow);
|
|
wxDECLARE_EVENT_TABLE();
|
|
};
|
|
|
|
// ---------------------------------------------------------
|
|
// wxGenericDataViewModelNotifier
|
|
// ---------------------------------------------------------
|
|
|
|
class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
|
|
{
|
|
public:
|
|
wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
|
|
{ m_mainWindow = mainWindow; }
|
|
|
|
virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item ) wxOVERRIDE
|
|
{ return m_mainWindow->ItemAdded( parent , item ); }
|
|
virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item ) wxOVERRIDE
|
|
{ return m_mainWindow->ItemDeleted( parent, item ); }
|
|
virtual bool ItemChanged( const wxDataViewItem & item ) wxOVERRIDE
|
|
{ return m_mainWindow->ItemChanged(item); }
|
|
virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col ) wxOVERRIDE
|
|
{ return m_mainWindow->ValueChanged( item, col ); }
|
|
virtual bool Cleared() wxOVERRIDE
|
|
{ return m_mainWindow->Cleared(); }
|
|
virtual void Resort() wxOVERRIDE
|
|
{ m_mainWindow->Resort(); }
|
|
|
|
wxDataViewMainWindow *m_mainWindow;
|
|
};
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase);
|
|
|
|
wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
|
|
wxDataViewCellMode mode,
|
|
int align) :
|
|
wxDataViewCustomRendererBase( varianttype, mode, align )
|
|
{
|
|
m_align = align;
|
|
m_mode = mode;
|
|
m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
|
|
m_dc = NULL;
|
|
m_state = 0;
|
|
}
|
|
|
|
wxDataViewRenderer::~wxDataViewRenderer()
|
|
{
|
|
delete m_dc;
|
|
}
|
|
|
|
wxDC *wxDataViewRenderer::GetDC()
|
|
{
|
|
if (m_dc == NULL)
|
|
{
|
|
if (GetOwner() == NULL)
|
|
return NULL;
|
|
if (GetOwner()->GetOwner() == NULL)
|
|
return NULL;
|
|
m_dc = new wxClientDC( GetOwner()->GetOwner() );
|
|
}
|
|
|
|
return m_dc;
|
|
}
|
|
|
|
void wxDataViewRenderer::SetAlignment( int align )
|
|
{
|
|
m_align=align;
|
|
}
|
|
|
|
int wxDataViewRenderer::GetAlignment() const
|
|
{
|
|
return m_align;
|
|
}
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewCustomRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
|
|
wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
{
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewCustomRenderer::GetAccessibleDescription() const
|
|
{
|
|
wxVariant val;
|
|
GetValue(val);
|
|
|
|
wxString strVal;
|
|
if ( val.IsType(wxS("bool")) )
|
|
{
|
|
/* TRANSLATORS: Name of Boolean true value */
|
|
strVal = val.GetBool() ? _("true")
|
|
/* TRANSLATORS: Name of Boolean false value */
|
|
: _("false");
|
|
}
|
|
else
|
|
{
|
|
strVal = val.MakeString();
|
|
}
|
|
|
|
return strVal;
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewTextRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
|
|
wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
{
|
|
#if wxUSE_MARKUP
|
|
m_markupText = NULL;
|
|
#endif // wxUSE_MARKUP
|
|
}
|
|
|
|
wxDataViewTextRenderer::~wxDataViewTextRenderer()
|
|
{
|
|
#if wxUSE_MARKUP
|
|
delete m_markupText;
|
|
#endif // wxUSE_MARKUP
|
|
}
|
|
|
|
#if wxUSE_MARKUP
|
|
void wxDataViewTextRenderer::EnableMarkup(bool enable)
|
|
{
|
|
if ( enable )
|
|
{
|
|
if ( !m_markupText )
|
|
{
|
|
m_markupText = new wxItemMarkupText(wxString());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( m_markupText )
|
|
{
|
|
delete m_markupText;
|
|
m_markupText = NULL;
|
|
}
|
|
}
|
|
}
|
|
#endif // wxUSE_MARKUP
|
|
|
|
bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
|
|
{
|
|
m_text = value.GetString();
|
|
|
|
#if wxUSE_MARKUP
|
|
if ( m_markupText )
|
|
m_markupText->SetMarkup(m_text);
|
|
#endif // wxUSE_MARKUP
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewTextRenderer::GetAccessibleDescription() const
|
|
{
|
|
#if wxUSE_MARKUP
|
|
if ( m_markupText )
|
|
return wxMarkupParser::Strip(m_text);
|
|
#endif // wxUSE_MARKUP
|
|
return m_text;
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
bool wxDataViewTextRenderer::HasEditorCtrl() const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
wxWindow* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
|
|
wxRect labelRect, const wxVariant &value )
|
|
{
|
|
return CreateEditorTextCtrl(parent, labelRect, value);
|
|
}
|
|
|
|
bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant &value )
|
|
{
|
|
wxTextCtrl *text = (wxTextCtrl*) editor;
|
|
value = text->GetValue();
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
|
|
{
|
|
#if wxUSE_MARKUP
|
|
if ( m_markupText )
|
|
{
|
|
int flags = 0;
|
|
if ( state & wxDATAVIEW_CELL_SELECTED )
|
|
flags |= wxCONTROL_SELECTED;
|
|
m_markupText->Render(GetView(), *dc, rect, flags, GetEllipsizeMode());
|
|
}
|
|
else
|
|
#endif // wxUSE_MARKUP
|
|
RenderText(m_text, 0, rect, dc, state);
|
|
|
|
return true;
|
|
}
|
|
|
|
wxSize wxDataViewTextRenderer::GetSize() const
|
|
{
|
|
if (!m_text.empty())
|
|
{
|
|
#if wxUSE_MARKUP
|
|
if ( m_markupText )
|
|
{
|
|
wxDataViewCtrl* const view = GetView();
|
|
wxClientDC dc(view);
|
|
if ( GetAttr().HasFont() )
|
|
dc.SetFont(GetAttr().GetEffectiveFont(view->GetFont()));
|
|
|
|
return m_markupText->Measure(dc);
|
|
}
|
|
#endif // wxUSE_MARKUP
|
|
|
|
return GetTextExtent(m_text);
|
|
}
|
|
else
|
|
return GetView()->FromDIP(wxSize(wxDVC_DEFAULT_RENDERER_SIZE,
|
|
wxDVC_DEFAULT_RENDERER_SIZE));
|
|
}
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewBitmapRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
|
|
wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
{
|
|
}
|
|
|
|
bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
|
|
{
|
|
if (value.GetType() == wxT("wxBitmap"))
|
|
{
|
|
m_bitmap << value;
|
|
}
|
|
else if (value.GetType() == wxT("wxIcon"))
|
|
{
|
|
m_icon << value;
|
|
}
|
|
else
|
|
{
|
|
m_icon = wxNullIcon;
|
|
m_bitmap = wxNullBitmap;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewBitmapRenderer::GetAccessibleDescription() const
|
|
{
|
|
return wxEmptyString;
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
|
|
{
|
|
if (m_bitmap.IsOk())
|
|
dc->DrawBitmap( m_bitmap, cell.x, cell.y, true /* use mask */ );
|
|
else if (m_icon.IsOk())
|
|
dc->DrawIcon( m_icon, cell.x, cell.y );
|
|
|
|
return true;
|
|
}
|
|
|
|
wxSize wxDataViewBitmapRenderer::GetSize() const
|
|
{
|
|
if (m_bitmap.IsOk())
|
|
return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
|
|
else if (m_icon.IsOk())
|
|
return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
|
|
|
|
return GetView()->FromDIP(wxSize(wxDVC_DEFAULT_RENDERER_SIZE,
|
|
wxDVC_DEFAULT_RENDERER_SIZE));
|
|
}
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewToggleRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
|
|
wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
{
|
|
m_toggle = false;
|
|
m_radio = false;
|
|
}
|
|
|
|
bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
|
|
{
|
|
m_toggle = value.GetBool();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewToggleRenderer::GetAccessibleDescription() const
|
|
{
|
|
/* TRANSLATORS: Checkbox state name */
|
|
return m_toggle ? _("checked")
|
|
/* TRANSLATORS: Checkbox state name */
|
|
: _("unchecked");
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
|
|
{
|
|
int flags = 0;
|
|
if (m_toggle)
|
|
flags |= wxCONTROL_CHECKED;
|
|
if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
|
|
!(GetOwner()->GetOwner()->IsEnabled() && GetEnabled()))
|
|
flags |= wxCONTROL_DISABLED;
|
|
|
|
// Ensure that the check boxes always have at least the minimal required
|
|
// size, otherwise DrawCheckBox() doesn't really work well. If this size is
|
|
// greater than the cell size, the checkbox will be truncated but this is a
|
|
// lesser evil.
|
|
wxSize size = cell.GetSize();
|
|
size.IncTo(GetSize());
|
|
cell.SetSize(size);
|
|
|
|
wxRendererNative& renderer = wxRendererNative::Get();
|
|
wxWindow* const win = GetOwner()->GetOwner();
|
|
if ( m_radio )
|
|
renderer.DrawRadioBitmap(win, *dc, cell, flags);
|
|
else
|
|
renderer.DrawCheckBox(win, *dc, cell, flags);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewToggleRenderer::WXActivateCell(const wxRect& WXUNUSED(cellRect),
|
|
wxDataViewModel *model,
|
|
const wxDataViewItem& item,
|
|
unsigned int col,
|
|
const wxMouseEvent *mouseEvent)
|
|
{
|
|
if ( mouseEvent )
|
|
{
|
|
// Only react to clicks directly on the checkbox, not elsewhere in the
|
|
// same cell.
|
|
if ( !wxRect(GetSize()).Contains(mouseEvent->GetPosition()) )
|
|
return false;
|
|
}
|
|
|
|
model->ChangeValue(!m_toggle, item, col);
|
|
return true;
|
|
}
|
|
|
|
wxSize wxDataViewToggleRenderer::GetSize() const
|
|
{
|
|
return wxRendererNative::Get().GetCheckBoxSize(GetView());
|
|
}
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewProgressRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
|
|
const wxString &varianttype, wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
, m_label(label)
|
|
{
|
|
m_value = 0;
|
|
}
|
|
|
|
bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
|
|
{
|
|
m_value = (long) value;
|
|
|
|
if (m_value < 0) m_value = 0;
|
|
if (m_value > 100) m_value = 100;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
|
|
{
|
|
value = (long) m_value;
|
|
return true;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewProgressRenderer::GetAccessibleDescription() const
|
|
{
|
|
return wxString::Format(wxS("%i %%"), m_value);
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
bool
|
|
wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
|
|
{
|
|
const wxDataViewItemAttr& attr = GetAttr();
|
|
if ( attr.HasColour() )
|
|
dc->SetBackground(attr.GetColour());
|
|
|
|
// This is a hack, but native renderers don't support using custom colours,
|
|
// but typically gauge colour is important (e.g. it's commonly green/red to
|
|
// indicate some qualitative difference), so we fall back to the generic
|
|
// implementation which looks ugly but does support using custom colour.
|
|
wxRendererNative& renderer = attr.HasColour()
|
|
? wxRendererNative::GetGeneric()
|
|
: wxRendererNative::Get();
|
|
renderer.DrawGauge(
|
|
GetOwner()->GetOwner(),
|
|
*dc,
|
|
rect,
|
|
m_value,
|
|
100);
|
|
|
|
return true;
|
|
}
|
|
|
|
wxSize wxDataViewProgressRenderer::GetSize() const
|
|
{
|
|
// Return -1 width because a progress bar fits any width; unlike most
|
|
// renderers, it doesn't have a "good" width for the content. This makes it
|
|
// grow to the whole column, which is pretty much always the desired
|
|
// behaviour. Keep the height fixed so that the progress bar isn't too fat.
|
|
return wxSize(-1, 12);
|
|
}
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewIconTextRenderer
|
|
// ---------------------------------------------------------
|
|
|
|
wxIMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer);
|
|
|
|
wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
|
|
const wxString &varianttype, wxDataViewCellMode mode, int align ) :
|
|
wxDataViewRenderer( varianttype, mode, align )
|
|
{
|
|
SetMode(mode);
|
|
SetAlignment(align);
|
|
}
|
|
|
|
bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
|
|
{
|
|
m_value << value;
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxString wxDataViewIconTextRenderer::GetAccessibleDescription() const
|
|
{
|
|
return m_value.GetText();
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
|
|
{
|
|
int xoffset = 0;
|
|
|
|
const wxIcon& icon = m_value.GetIcon();
|
|
if ( icon.IsOk() )
|
|
{
|
|
dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
|
|
xoffset = icon.GetWidth()+4;
|
|
}
|
|
|
|
RenderText(m_value.GetText(), xoffset, rect, dc, state);
|
|
|
|
return true;
|
|
}
|
|
|
|
wxSize wxDataViewIconTextRenderer::GetSize() const
|
|
{
|
|
if (!m_value.GetText().empty())
|
|
{
|
|
wxSize size = GetTextExtent(m_value.GetText());
|
|
|
|
if (m_value.GetIcon().IsOk())
|
|
size.x += m_value.GetIcon().GetWidth() + 4;
|
|
return size;
|
|
}
|
|
return wxSize(80,20);
|
|
}
|
|
|
|
wxWindow* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
|
|
{
|
|
wxDataViewIconText iconText;
|
|
iconText << value;
|
|
|
|
wxString text = iconText.GetText();
|
|
|
|
// adjust the label rect to take the width of the icon into account
|
|
if (iconText.GetIcon().IsOk())
|
|
{
|
|
int w = iconText.GetIcon().GetWidth() + 4;
|
|
labelRect.x += w;
|
|
labelRect.width -= w;
|
|
}
|
|
|
|
return CreateEditorTextCtrl(parent, labelRect, text);
|
|
}
|
|
|
|
bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant& value )
|
|
{
|
|
wxTextCtrl *text = (wxTextCtrl*) editor;
|
|
|
|
// The icon can't be edited so get its old value and reuse it.
|
|
wxVariant valueOld;
|
|
wxDataViewColumn* const col = GetOwner();
|
|
GetView()->GetModel()->GetValue(valueOld, m_item, col->GetModelColumn());
|
|
|
|
wxDataViewIconText iconText;
|
|
iconText << valueOld;
|
|
|
|
// But replace the text with the value entered by user.
|
|
iconText.SetText(text->GetValue());
|
|
|
|
value << iconText;
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewDropTarget
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
|
|
class wxBitmapCanvas: public wxWindow
|
|
{
|
|
public:
|
|
wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
|
|
wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
|
|
, m_bitmap(bitmap)
|
|
{
|
|
Bind(wxEVT_PAINT, &wxBitmapCanvas::OnPaint, this);
|
|
}
|
|
|
|
void OnPaint( wxPaintEvent &WXUNUSED(event) )
|
|
{
|
|
wxPaintDC dc(this);
|
|
dc.DrawBitmap( m_bitmap, 0, 0);
|
|
}
|
|
|
|
wxBitmap m_bitmap;
|
|
};
|
|
|
|
class wxDataViewDropSource: public wxDropSource
|
|
{
|
|
public:
|
|
wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
|
|
wxDropSource( win )
|
|
{
|
|
m_win = win;
|
|
m_row = row;
|
|
m_hint = NULL;
|
|
}
|
|
|
|
~wxDataViewDropSource()
|
|
{
|
|
delete m_hint;
|
|
}
|
|
|
|
virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) ) wxOVERRIDE
|
|
{
|
|
wxPoint pos = wxGetMousePosition();
|
|
|
|
if (!m_hint)
|
|
{
|
|
int liney = m_win->GetLineStart( m_row );
|
|
int linex = 0;
|
|
m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
|
|
m_win->ClientToScreen( &linex, &liney );
|
|
m_dist_x = pos.x - linex;
|
|
m_dist_y = pos.y - liney;
|
|
|
|
int indent = 0;
|
|
wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
|
|
m_dist_x -= indent;
|
|
m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
|
|
wxPoint(pos.x - m_dist_x, pos.y + 5 ),
|
|
ib.GetSize(),
|
|
wxFRAME_TOOL_WINDOW |
|
|
wxFRAME_FLOAT_ON_PARENT |
|
|
wxFRAME_NO_TASKBAR |
|
|
wxNO_BORDER );
|
|
new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
|
|
m_hint->Show();
|
|
}
|
|
else
|
|
{
|
|
m_hint->Move( pos.x - m_dist_x, pos.y + 5 );
|
|
m_hint->SetTransparent( 128 );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
wxDataViewMainWindow *m_win;
|
|
unsigned int m_row;
|
|
wxFrame *m_hint;
|
|
int m_dist_x,m_dist_y;
|
|
};
|
|
|
|
|
|
class wxDataViewDropTarget: public wxDropTarget
|
|
{
|
|
public:
|
|
wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
|
|
wxDropTarget( obj )
|
|
{
|
|
m_win = win;
|
|
}
|
|
|
|
virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def ) wxOVERRIDE
|
|
{
|
|
wxDataFormat format = GetMatchingPair();
|
|
if (format == wxDF_INVALID)
|
|
return wxDragNone;
|
|
return m_win->OnDragOver( format, x, y, def);
|
|
}
|
|
|
|
virtual bool OnDrop( wxCoord x, wxCoord y ) wxOVERRIDE
|
|
{
|
|
wxDataFormat format = GetMatchingPair();
|
|
if (format == wxDF_INVALID)
|
|
return false;
|
|
return m_win->OnDrop( format, x, y );
|
|
}
|
|
|
|
virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def ) wxOVERRIDE
|
|
{
|
|
wxDataFormat format = GetMatchingPair();
|
|
if (format == wxDF_INVALID)
|
|
return wxDragNone;
|
|
if (!GetData())
|
|
return wxDragNone;
|
|
return m_win->OnData( format, x, y, def );
|
|
}
|
|
|
|
virtual void OnLeave() wxOVERRIDE
|
|
{ m_win->OnLeave(); }
|
|
|
|
wxDataViewMainWindow *m_win;
|
|
};
|
|
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewRenameTimer
|
|
//-----------------------------------------------------------------------------
|
|
|
|
wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
|
|
{
|
|
m_owner = owner;
|
|
}
|
|
|
|
void wxDataViewRenameTimer::Notify()
|
|
{
|
|
m_owner->OnRenameTimer();
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxDataViewTreeNode
|
|
// ----------------------------------------------------------------------------
|
|
|
|
namespace
|
|
{
|
|
|
|
// Comparator used for sorting the tree nodes using the model-defined sort
|
|
// order and also for performing binary search in our own code.
|
|
class wxGenericTreeModelNodeCmp
|
|
{
|
|
public:
|
|
wxGenericTreeModelNodeCmp(wxDataViewMainWindow* window,
|
|
const SortOrder& sortOrder)
|
|
: m_model(window->GetModel()),
|
|
m_sortOrder(sortOrder)
|
|
{
|
|
wxASSERT_MSG( !m_sortOrder.IsNone(), "should have sort order" );
|
|
}
|
|
|
|
// Return negative, zero or positive value depending on whether the first
|
|
// item is less than, equal to or greater than the second one.
|
|
int Compare(wxDataViewTreeNode* first, wxDataViewTreeNode* second) const
|
|
{
|
|
return m_model->Compare(first->GetItem(), second->GetItem(),
|
|
m_sortOrder.GetColumn(),
|
|
m_sortOrder.IsAscending());
|
|
}
|
|
|
|
// Return true if the items are (strictly) in order, i.e. the first item is
|
|
// less than the second one. This is used by std::sort().
|
|
bool operator()(wxDataViewTreeNode* first, wxDataViewTreeNode* second) const
|
|
{
|
|
return Compare(first, second) < 0;
|
|
}
|
|
|
|
private:
|
|
wxDataViewModel* const m_model;
|
|
const SortOrder m_sortOrder;
|
|
};
|
|
|
|
} // anonymous namespace
|
|
|
|
void wxDataViewTreeNode::InsertChild(wxDataViewMainWindow* window,
|
|
wxDataViewTreeNode *node, unsigned index)
|
|
{
|
|
if (!m_branchData)
|
|
m_branchData = new BranchNodeData;
|
|
|
|
const SortOrder sortOrder = window->GetSortOrder();
|
|
|
|
// Flag indicating whether we should retain existing sorted list when
|
|
// inserting the child node.
|
|
bool insertSorted = false;
|
|
|
|
if ( sortOrder.IsNone() )
|
|
{
|
|
// We should insert assuming an unsorted list. This will cause the
|
|
// child list to lose the current sort order, if any.
|
|
m_branchData->sortOrder = SortOrder();
|
|
}
|
|
else if ( m_branchData->children.empty() )
|
|
{
|
|
if ( m_branchData->open )
|
|
{
|
|
// We don't need to search for the right place to insert the first
|
|
// item (there is only one), but we do need to remember the sort
|
|
// order to use for the subsequent ones.
|
|
m_branchData->sortOrder = sortOrder;
|
|
}
|
|
else
|
|
{
|
|
// We're inserting the first child of a closed node. We can choose
|
|
// whether to consider this empty child list sorted or unsorted.
|
|
// By choosing unsorted, we postpone comparisons until the parent
|
|
// node is opened in the view, which may be never.
|
|
m_branchData->sortOrder = SortOrder();
|
|
}
|
|
}
|
|
else if ( m_branchData->open )
|
|
{
|
|
// For open branches, children should be already sorted.
|
|
wxASSERT_MSG( m_branchData->sortOrder == sortOrder,
|
|
wxS("Logic error in wxDVC sorting code") );
|
|
|
|
// We can use fast insertion.
|
|
insertSorted = true;
|
|
}
|
|
else if ( m_branchData->sortOrder == sortOrder )
|
|
{
|
|
// The children are already sorted by the correct criteria (because
|
|
// the node must have been opened in the same time in the past). Even
|
|
// though it is closed now, we still insert in sort order to avoid a
|
|
// later resort.
|
|
insertSorted = true;
|
|
}
|
|
else
|
|
{
|
|
// The children of this closed node aren't sorted by the correct
|
|
// criteria, so we just insert unsorted.
|
|
m_branchData->sortOrder = SortOrder();
|
|
}
|
|
|
|
|
|
if ( insertSorted )
|
|
{
|
|
// Use binary search to find the correct position to insert at.
|
|
wxGenericTreeModelNodeCmp cmp(window, sortOrder);
|
|
int lo = 0, hi = m_branchData->children.size();
|
|
while ( lo < hi )
|
|
{
|
|
int mid = lo + (hi - lo) / 2;
|
|
int r = cmp.Compare(node, m_branchData->children[mid]);
|
|
if ( r < 0 )
|
|
hi = mid;
|
|
else if ( r > 0 )
|
|
lo = mid + 1;
|
|
else
|
|
lo = hi = mid;
|
|
}
|
|
m_branchData->InsertChild(node, lo);
|
|
}
|
|
else
|
|
{
|
|
m_branchData->InsertChild(node, index);
|
|
}
|
|
}
|
|
|
|
|
|
void wxDataViewTreeNode::Resort(wxDataViewMainWindow* window)
|
|
{
|
|
if (!m_branchData)
|
|
return;
|
|
|
|
// No reason to sort a closed node.
|
|
if ( !m_branchData->open )
|
|
return;
|
|
|
|
const SortOrder sortOrder = window->GetSortOrder();
|
|
if ( !sortOrder.IsNone() )
|
|
{
|
|
wxDataViewTreeNodes& nodes = m_branchData->children;
|
|
|
|
// Only sort the children if they aren't already sorted by the wanted
|
|
// criteria.
|
|
if ( m_branchData->sortOrder != sortOrder )
|
|
{
|
|
std::sort(m_branchData->children.begin(),
|
|
m_branchData->children.end(),
|
|
wxGenericTreeModelNodeCmp(window, sortOrder));
|
|
|
|
m_branchData->sortOrder = sortOrder;
|
|
}
|
|
|
|
// There may be open child nodes that also need a resort.
|
|
int len = nodes.size();
|
|
for ( int i = 0; i < len; i++ )
|
|
{
|
|
if ( nodes[i]->HasChildren() )
|
|
nodes[i]->Resort(window);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
wxDataViewTreeNode::PutChildInSortOrder(wxDataViewMainWindow* window,
|
|
wxDataViewTreeNode* childNode)
|
|
{
|
|
// The childNode has changed, and may need to be moved to another location
|
|
// in the sorted child list.
|
|
|
|
if ( !m_branchData )
|
|
return;
|
|
if ( !m_branchData->open )
|
|
return;
|
|
if ( m_branchData->sortOrder.IsNone() )
|
|
return;
|
|
|
|
wxDataViewTreeNodes& nodes = m_branchData->children;
|
|
|
|
// This is more than an optimization, the code below assumes that 1 is a
|
|
// valid index.
|
|
if ( nodes.size() == 1 )
|
|
return;
|
|
|
|
// We should already be sorted in the right order.
|
|
wxASSERT(m_branchData->sortOrder == window->GetSortOrder());
|
|
|
|
// First find the node in the current child list
|
|
int hi = nodes.size();
|
|
int oldLocation = wxNOT_FOUND;
|
|
for ( int index = 0; index < hi; ++index )
|
|
{
|
|
if ( nodes[index] == childNode )
|
|
{
|
|
oldLocation = index;
|
|
break;
|
|
}
|
|
}
|
|
wxCHECK_RET( oldLocation >= 0, "not our child?" );
|
|
|
|
wxGenericTreeModelNodeCmp cmp(window, m_branchData->sortOrder);
|
|
|
|
// Check if we actually need to move the node.
|
|
bool locationChanged = false;
|
|
|
|
if ( oldLocation == 0 )
|
|
{
|
|
// Compare with the next item (as we return early in the case of only a
|
|
// single child, we know that there is one) to check if the item is now
|
|
// out of order.
|
|
if ( !cmp(childNode, nodes[1]) )
|
|
locationChanged = true;
|
|
}
|
|
else // Compare with the previous item.
|
|
{
|
|
if ( !cmp(nodes[oldLocation - 1], childNode) )
|
|
locationChanged = true;
|
|
}
|
|
|
|
if ( !locationChanged )
|
|
return;
|
|
|
|
// Remove and reinsert the node in the child list
|
|
m_branchData->RemoveChild(oldLocation);
|
|
hi = nodes.size();
|
|
int lo = 0;
|
|
while ( lo < hi )
|
|
{
|
|
int mid = lo + (hi - lo) / 2;
|
|
int r = cmp.Compare(childNode, m_branchData->children[mid]);
|
|
if ( r < 0 )
|
|
hi = mid;
|
|
else if ( r > 0 )
|
|
lo = mid + 1;
|
|
else
|
|
lo = hi = mid;
|
|
}
|
|
m_branchData->InsertChild(childNode, lo);
|
|
|
|
// Make sure the change is actually shown right away
|
|
window->UpdateDisplay();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewMainWindow
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// The tree building helper, declared firstly
|
|
static void BuildTreeHelper(wxDataViewMainWindow *window,
|
|
const wxDataViewModel *model,
|
|
const wxDataViewItem & item,
|
|
wxDataViewTreeNode * node);
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow);
|
|
|
|
wxBEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
|
|
EVT_PAINT (wxDataViewMainWindow::OnPaint)
|
|
EVT_MOUSE_EVENTS (wxDataViewMainWindow::OnMouse)
|
|
EVT_SET_FOCUS (wxDataViewMainWindow::OnSetFocus)
|
|
EVT_KILL_FOCUS (wxDataViewMainWindow::OnKillFocus)
|
|
EVT_CHAR_HOOK (wxDataViewMainWindow::OnCharHook)
|
|
EVT_CHAR (wxDataViewMainWindow::OnChar)
|
|
wxEND_EVENT_TABLE()
|
|
|
|
wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
|
|
const wxPoint &pos, const wxSize &size, const wxString &name )
|
|
{
|
|
// We want to use a specific class name for this window in wxMSW to make it
|
|
// possible to configure screen readers to handle it specifically.
|
|
#ifdef __WXMSW__
|
|
CreateUsingMSWClass
|
|
(
|
|
wxApp::GetRegisteredClassName
|
|
(
|
|
wxT("wxDataView"),
|
|
-1, // no specific background brush
|
|
0, // no special styles neither
|
|
wxApp::RegClass_OnlyNR
|
|
),
|
|
parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name
|
|
);
|
|
#else
|
|
Create( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name );
|
|
#endif
|
|
|
|
SetOwner( parent );
|
|
|
|
m_editorRenderer = NULL;
|
|
|
|
m_lastOnSame = false;
|
|
m_renameTimer = new wxDataViewRenameTimer( this );
|
|
|
|
// TODO: user better initial values/nothing selected
|
|
m_currentCol = NULL;
|
|
m_currentColSetByKeyboard = false;
|
|
m_useCellFocus = false;
|
|
m_currentRow = (unsigned)-1;
|
|
m_lineHeight = GetDefaultRowHeight();
|
|
if (GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT))
|
|
{
|
|
m_rowHeightCache = new HeightCache();
|
|
}
|
|
else
|
|
{
|
|
m_rowHeightCache = NULL;
|
|
}
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
m_dragCount = 0;
|
|
m_dragStart = wxPoint(0,0);
|
|
|
|
m_dragEnabled = false;
|
|
m_dropEnabled = false;
|
|
m_dropHint = false;
|
|
m_dropHintLine = (unsigned int) -1;
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
m_lineLastClicked = (unsigned int) -1;
|
|
m_lineBeforeLastClicked = (unsigned int) -1;
|
|
m_lineSelectSingleOnUp = (unsigned int) -1;
|
|
|
|
m_hasFocus = false;
|
|
|
|
SetBackgroundColour( *wxWHITE );
|
|
|
|
SetBackgroundStyle(wxBG_STYLE_PAINT);
|
|
|
|
m_penRule = wxPen(GetRuleColour());
|
|
|
|
m_root = wxDataViewTreeNode::CreateRootNode();
|
|
|
|
// Make m_count = -1 will cause the class recaculate the real displaying number of rows.
|
|
m_count = -1;
|
|
m_underMouse = NULL;
|
|
|
|
UpdateDisplay();
|
|
}
|
|
|
|
wxDataViewMainWindow::~wxDataViewMainWindow()
|
|
{
|
|
DestroyTree();
|
|
delete m_renameTimer;
|
|
delete m_rowHeightCache;
|
|
}
|
|
|
|
|
|
int wxDataViewMainWindow::GetDefaultRowHeight() const
|
|
{
|
|
#ifdef __WXMSW__
|
|
// We would like to use the same line height that Explorer uses. This is
|
|
// different from standard ListView control since Vista.
|
|
if ( wxGetWinVersion() >= wxWinVersion_Vista )
|
|
return wxMax(16, GetCharHeight()) + 6; // 16 = mini icon height
|
|
else
|
|
#endif // __WXMSW__
|
|
return wxMax(16, GetCharHeight()) + 1; // 16 = mini icon height
|
|
}
|
|
|
|
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
|
|
{
|
|
m_dragFormat = format;
|
|
m_dragEnabled = format != wxDF_INVALID;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
|
|
{
|
|
m_dropFormat = format;
|
|
m_dropEnabled = format != wxDF_INVALID;
|
|
|
|
if (m_dropEnabled)
|
|
SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::RemoveDropHint()
|
|
{
|
|
if (m_dropHint)
|
|
{
|
|
m_dropHint = false;
|
|
RefreshRow( m_dropHintLine );
|
|
m_dropHintLine = (unsigned int) -1;
|
|
}
|
|
}
|
|
|
|
wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
|
|
wxCoord y, wxDragResult def )
|
|
{
|
|
int xx = x;
|
|
int yy = y;
|
|
m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
|
|
unsigned int row = GetLineAt( yy );
|
|
|
|
wxDataViewItem item;
|
|
|
|
if ( row < GetRowCount() && xx <= GetEndOfLastCol() )
|
|
item = GetItemByRow( row );
|
|
|
|
wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner, item);
|
|
event.SetDataFormat( format );
|
|
event.SetDropEffect( def );
|
|
if ( !m_owner->HandleWindowEvent( event ) || !event.IsAllowed() )
|
|
{
|
|
RemoveDropHint();
|
|
return wxDragNone;
|
|
}
|
|
|
|
if ( item.IsOk() )
|
|
{
|
|
if (m_dropHint && (row != m_dropHintLine))
|
|
RefreshRow( m_dropHintLine );
|
|
m_dropHint = true;
|
|
m_dropHintLine = row;
|
|
RefreshRow( row );
|
|
}
|
|
else
|
|
{
|
|
RemoveDropHint();
|
|
}
|
|
|
|
return def;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
|
|
{
|
|
RemoveDropHint();
|
|
|
|
int xx = x;
|
|
int yy = y;
|
|
m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
|
|
unsigned int row = GetLineAt( yy );
|
|
|
|
wxDataViewItem item;
|
|
|
|
if ( row < GetRowCount() && xx <= GetEndOfLastCol())
|
|
item = GetItemByRow( row );
|
|
|
|
wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner, item);
|
|
event.SetDataFormat( format );
|
|
if (!m_owner->HandleWindowEvent( event ) || !event.IsAllowed())
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
|
|
wxDragResult def )
|
|
{
|
|
int xx = x;
|
|
int yy = y;
|
|
m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
|
|
unsigned int row = GetLineAt( yy );
|
|
|
|
wxDataViewItem item;
|
|
|
|
if ( row < GetRowCount() && xx <= GetEndOfLastCol() )
|
|
item = GetItemByRow( row );
|
|
|
|
wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
|
|
|
|
wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_DROP, m_owner, item);
|
|
event.SetDataFormat( format );
|
|
event.SetDataSize( obj->GetSize() );
|
|
event.SetDataBuffer( obj->GetData() );
|
|
event.SetDropEffect( def );
|
|
if ( !m_owner->HandleWindowEvent( event ) || !event.IsAllowed() )
|
|
return wxDragNone;
|
|
|
|
return def;
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnLeave()
|
|
{
|
|
RemoveDropHint();
|
|
}
|
|
|
|
wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
|
|
{
|
|
int height = GetLineHeight( row );
|
|
int width = 0;
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
unsigned int col;
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
|
|
if (column->IsHidden())
|
|
continue; // skip it!
|
|
width += column->GetWidth();
|
|
}
|
|
|
|
indent = 0;
|
|
if (!IsList())
|
|
{
|
|
wxDataViewTreeNode *node = GetTreeNodeByRow(row);
|
|
indent = GetOwner()->GetIndent() * node->GetIndentLevel();
|
|
indent += wxRendererNative::Get().GetExpanderSize(this).GetWidth();
|
|
}
|
|
width -= indent;
|
|
|
|
wxBitmap bitmap( width, height );
|
|
wxMemoryDC dc( bitmap );
|
|
dc.SetFont( GetFont() );
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
dc.SetBrush( *wxWHITE_BRUSH );
|
|
dc.DrawRectangle( 0,0,width,height );
|
|
|
|
wxDataViewModel *model = m_owner->GetModel();
|
|
|
|
wxDataViewColumn * const
|
|
expander = GetExpanderColumnOrFirstOne(GetOwner());
|
|
|
|
int x = 0;
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
|
|
wxDataViewRenderer *cell = column->GetRenderer();
|
|
|
|
if (column->IsHidden())
|
|
continue; // skip it!
|
|
|
|
width = column->GetWidth();
|
|
|
|
if (column == expander)
|
|
width -= indent;
|
|
|
|
wxDataViewItem item = GetItemByRow( row );
|
|
cell->PrepareForItem(model, item, column->GetModelColumn());
|
|
|
|
wxRect item_rect(x, 0, width, height);
|
|
item_rect.Deflate(PADDING_RIGHTLEFT, 0);
|
|
|
|
// dc.SetClippingRegion( item_rect );
|
|
cell->WXCallRender(item_rect, &dc, 0);
|
|
// dc.DestroyClippingRegion();
|
|
|
|
x += width;
|
|
}
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
|
|
{
|
|
wxDataViewModel *model = GetModel();
|
|
wxAutoBufferedPaintDC dc( this );
|
|
|
|
const wxSize size = GetClientSize();
|
|
|
|
dc.SetBrush(GetOwner()->GetBackgroundColour());
|
|
dc.SetPen( *wxTRANSPARENT_PEN );
|
|
dc.DrawRectangle(size);
|
|
|
|
if ( IsEmpty() )
|
|
{
|
|
// No items to draw.
|
|
return;
|
|
}
|
|
|
|
// prepare the DC
|
|
GetOwner()->PrepareDC( dc );
|
|
dc.SetFont( GetFont() );
|
|
|
|
wxRect update = GetUpdateRegion().GetBox();
|
|
m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
|
|
|
|
// compute which items needs to be redrawn
|
|
unsigned int item_start = GetLineAt( wxMax(0,update.y) );
|
|
unsigned int item_count =
|
|
wxMin( (int)( GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
|
|
(int)(GetRowCount( ) - item_start));
|
|
unsigned int item_last = item_start + item_count;
|
|
|
|
// Send the event to wxDataViewCtrl itself.
|
|
wxDataViewEvent cache_event(wxEVT_DATAVIEW_CACHE_HINT, m_owner, NULL);
|
|
cache_event.SetCache(item_start, item_last - 1);
|
|
m_owner->ProcessWindowEvent(cache_event);
|
|
|
|
// compute which columns needs to be redrawn
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
if ( !cols )
|
|
{
|
|
// we assume that we have at least one column below and painting an
|
|
// empty control is unnecessary anyhow
|
|
return;
|
|
}
|
|
|
|
unsigned int col_start = 0;
|
|
unsigned int x_start;
|
|
for (x_start = 0; col_start < cols; col_start++)
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
|
|
if (col->IsHidden())
|
|
continue; // skip it!
|
|
|
|
unsigned int w = col->GetWidth();
|
|
if (x_start+w >= (unsigned int)update.x)
|
|
break;
|
|
|
|
x_start += w;
|
|
}
|
|
|
|
unsigned int col_last = col_start;
|
|
unsigned int x_last = x_start;
|
|
for (; col_last < cols; col_last++)
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
|
|
if (col->IsHidden())
|
|
continue; // skip it!
|
|
|
|
if (x_last > (unsigned int)update.GetRight())
|
|
break;
|
|
|
|
x_last += col->GetWidth();
|
|
}
|
|
|
|
// Instead of calling GetLineStart() for each line from the first to the
|
|
// last one, we will compute the starts of the lines as we iterate over
|
|
// them starting from this one, as this is much more efficient when using
|
|
// wxDV_VARIABLE_LINE_HEIGHT (and doesn't really change anything when not
|
|
// using it, so there is no need to use two different approaches).
|
|
const unsigned int first_line_start = GetLineStart(item_start);
|
|
|
|
// Draw background of alternate rows specially if required
|
|
if ( m_owner->HasFlag(wxDV_ROW_LINES) )
|
|
{
|
|
wxColour altRowColour = m_owner->m_alternateRowColour;
|
|
if ( !altRowColour.IsOk() )
|
|
{
|
|
// Determine the alternate rows colour automatically from the
|
|
// background colour.
|
|
const wxColour bgColour = m_owner->GetBackgroundColour();
|
|
|
|
// Depending on the background, alternate row color
|
|
// will be 3% more dark or 50% brighter.
|
|
int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150;
|
|
altRowColour = bgColour.ChangeLightness(alpha);
|
|
}
|
|
|
|
dc.SetPen(*wxTRANSPARENT_PEN);
|
|
dc.SetBrush(wxBrush(altRowColour));
|
|
|
|
// We only need to draw the visible part, so limit the rectangle to it.
|
|
const int xRect = m_owner->CalcUnscrolledPosition(wxPoint(0, 0)).x;
|
|
const int widthRect = size.x;
|
|
unsigned int cur_line_start = first_line_start;
|
|
for (unsigned int item = item_start; item < item_last; item++)
|
|
{
|
|
const int h = GetLineHeight(item);
|
|
if ( item % 2 )
|
|
{
|
|
dc.DrawRectangle(xRect, cur_line_start, widthRect, h);
|
|
}
|
|
cur_line_start += h;
|
|
}
|
|
}
|
|
|
|
// Draw horizontal rules if required
|
|
if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
|
|
{
|
|
dc.SetPen(m_penRule);
|
|
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
|
|
|
unsigned int cur_line_start = first_line_start;
|
|
for (unsigned int i = item_start; i <= item_last; i++)
|
|
{
|
|
const int h = GetLineHeight(i);
|
|
dc.DrawLine(x_start, cur_line_start, x_last, cur_line_start);
|
|
cur_line_start += h;
|
|
}
|
|
}
|
|
|
|
// Draw vertical rules if required
|
|
if ( m_owner->HasFlag(wxDV_VERT_RULES) )
|
|
{
|
|
dc.SetPen(m_penRule);
|
|
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
|
|
|
// NB: Vertical rules are drawn in the last pixel of a column so that
|
|
// they align perfectly with native MSW wxHeaderCtrl as well as for
|
|
// consistency with MSW native list control. There's no vertical
|
|
// rule at the most-left side of the control.
|
|
|
|
int x = x_start - 1;
|
|
int line_last = GetLineStart(item_last);
|
|
for (unsigned int i = col_start; i < col_last; i++)
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
|
|
if (col->IsHidden())
|
|
continue; // skip it
|
|
|
|
x += col->GetWidth();
|
|
|
|
dc.DrawLine(x, first_line_start,
|
|
x, line_last);
|
|
}
|
|
}
|
|
|
|
// redraw the background for the items which are selected/current
|
|
unsigned int cur_line_start = first_line_start;
|
|
for (unsigned int item = item_start; item < item_last; item++)
|
|
{
|
|
bool selected = m_selection.IsSelected(item);
|
|
const int line_height = GetLineHeight(item);
|
|
|
|
if (selected || item == m_currentRow)
|
|
{
|
|
wxRect rowRect( x_start, cur_line_start,
|
|
x_last - x_start, line_height );
|
|
|
|
bool renderColumnFocus = false;
|
|
|
|
int flags = wxCONTROL_SELECTED;
|
|
if ( m_hasFocus )
|
|
flags |= wxCONTROL_FOCUSED;
|
|
|
|
// draw keyboard focus rect if applicable
|
|
if ( item == m_currentRow && m_hasFocus )
|
|
{
|
|
|
|
if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
|
|
{
|
|
renderColumnFocus = true;
|
|
|
|
// If this is container node without columns, render full-row focus:
|
|
if ( !IsList() )
|
|
{
|
|
wxDataViewTreeNode *node = GetTreeNodeByRow(item);
|
|
if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
|
|
renderColumnFocus = false;
|
|
}
|
|
}
|
|
|
|
if ( renderColumnFocus )
|
|
{
|
|
wxRect colRect(rowRect);
|
|
|
|
for ( unsigned int i = col_start; i < col_last; i++ )
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
|
|
if ( col->IsHidden() )
|
|
continue;
|
|
|
|
colRect.width = col->GetWidth();
|
|
|
|
if ( col == m_currentCol )
|
|
{
|
|
// Draw selection rect left of column
|
|
{
|
|
wxRect clipRect(rowRect);
|
|
clipRect.width = colRect.x;
|
|
|
|
wxDCClipper clip(dc, clipRect);
|
|
wxRendererNative::Get().DrawItemSelectionRect
|
|
(
|
|
this,
|
|
dc,
|
|
rowRect,
|
|
flags
|
|
);
|
|
}
|
|
|
|
// Draw selection rect right of column
|
|
{
|
|
wxRect clipRect(rowRect);
|
|
clipRect.x = colRect.x + colRect.width;
|
|
clipRect.width = rowRect.width - clipRect.x;
|
|
|
|
wxDCClipper clip(dc, clipRect);
|
|
wxRendererNative::Get().DrawItemSelectionRect
|
|
(
|
|
this,
|
|
dc,
|
|
rowRect,
|
|
flags
|
|
);
|
|
}
|
|
|
|
// Draw column selection rect
|
|
wxRendererNative::Get().DrawItemSelectionRect
|
|
(
|
|
this,
|
|
dc,
|
|
colRect,
|
|
flags | wxCONTROL_CURRENT | wxCONTROL_CELL
|
|
);
|
|
|
|
break;
|
|
}
|
|
|
|
colRect.x += colRect.width;
|
|
}
|
|
}
|
|
else // Not using column focus.
|
|
{
|
|
flags |= wxCONTROL_CURRENT | wxCONTROL_FOCUSED;
|
|
|
|
// We still need to show the current item if it's not
|
|
// selected.
|
|
if ( !selected )
|
|
{
|
|
wxRendererNative::Get().DrawFocusRect
|
|
(
|
|
this,
|
|
dc,
|
|
rowRect,
|
|
flags
|
|
);
|
|
}
|
|
//else: The current item is selected, will be drawn below.
|
|
}
|
|
}
|
|
|
|
// draw selection and whole-item focus:
|
|
if ( selected && !renderColumnFocus )
|
|
{
|
|
wxRendererNative::Get().DrawItemSelectionRect
|
|
(
|
|
this,
|
|
dc,
|
|
rowRect,
|
|
flags
|
|
);
|
|
}
|
|
}
|
|
cur_line_start += line_height;
|
|
}
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
if (m_dropHint)
|
|
{
|
|
wxRect rect( x_start, GetLineStart( m_dropHintLine ),
|
|
x_last - x_start, GetLineHeight( m_dropHintLine ) );
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
dc.SetBrush( *wxTRANSPARENT_BRUSH );
|
|
dc.DrawRectangle( rect );
|
|
}
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
wxDataViewColumn * const
|
|
expander = GetExpanderColumnOrFirstOne(GetOwner());
|
|
|
|
// redraw all cells for all rows which must be repainted and all columns
|
|
wxRect cell_rect;
|
|
cell_rect.x = x_start;
|
|
for (unsigned int i = col_start; i < col_last; i++)
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
|
|
if ( col->IsHidden() )
|
|
continue; // skip it!
|
|
|
|
wxDataViewRenderer *cell = col->GetRenderer();
|
|
cell_rect.width = col->GetWidth();
|
|
if ( cell_rect.width <= 0 )
|
|
continue;
|
|
|
|
cell_rect.y = first_line_start;
|
|
for (unsigned int item = item_start; item < item_last; item++)
|
|
{
|
|
// get the cell value and set it into the renderer
|
|
wxDataViewTreeNode *node = NULL;
|
|
wxDataViewItem dataitem;
|
|
const int line_height = GetLineHeight(item);
|
|
|
|
if (!IsVirtualList())
|
|
{
|
|
node = GetTreeNodeByRow(item);
|
|
if (node == NULL)
|
|
{
|
|
cell_rect.y += line_height;
|
|
continue;
|
|
}
|
|
|
|
dataitem = node->GetItem();
|
|
|
|
// Skip all columns of "container" rows except the expander
|
|
// column itself unless HasContainerColumns() overrides this.
|
|
if ( col != expander &&
|
|
model->IsContainer(dataitem) &&
|
|
!model->HasContainerColumns(dataitem) )
|
|
{
|
|
cell_rect.y += line_height;
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
|
|
}
|
|
|
|
// update cell_rect
|
|
cell_rect.height = line_height;
|
|
|
|
bool selected = m_selection.IsSelected(item);
|
|
|
|
int state = 0;
|
|
if (m_hasFocus && selected)
|
|
state |= wxDATAVIEW_CELL_SELECTED;
|
|
|
|
cell->SetState(state);
|
|
cell->PrepareForItem(model, dataitem, col->GetModelColumn());
|
|
|
|
// draw the background
|
|
if ( !selected )
|
|
DrawCellBackground( cell, dc, cell_rect );
|
|
|
|
// deal with the expander
|
|
int indent = 0;
|
|
if ((!IsList()) && (col == expander))
|
|
{
|
|
// Calculate the indent first
|
|
indent = GetOwner()->GetIndent() * node->GetIndentLevel();
|
|
|
|
// Get expander size
|
|
wxSize expSize = wxRendererNative::Get().GetExpanderSize(this);
|
|
|
|
// draw expander if needed
|
|
if ( node->HasChildren() )
|
|
{
|
|
wxRect rect = cell_rect;
|
|
rect.x += indent;
|
|
rect.y += (cell_rect.GetHeight() - expSize.GetHeight()) / 2; // center vertically
|
|
rect.width = expSize.GetWidth();
|
|
rect.height = expSize.GetHeight();
|
|
|
|
int flag = 0;
|
|
if ( m_underMouse == node )
|
|
flag |= wxCONTROL_CURRENT;
|
|
if ( node->IsOpen() )
|
|
flag |= wxCONTROL_EXPANDED;
|
|
|
|
// ensure that we don't overflow the cell (which might
|
|
// happen if the column is very narrow)
|
|
wxDCClipper clip(dc, cell_rect);
|
|
|
|
wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
|
|
}
|
|
|
|
indent += expSize.GetWidth();
|
|
|
|
// force the expander column to left-center align
|
|
cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
|
|
}
|
|
|
|
wxRect item_rect = cell_rect;
|
|
item_rect.Deflate(PADDING_RIGHTLEFT, 0);
|
|
|
|
// account for the tree indent (harmless if we're not indented)
|
|
item_rect.x += indent;
|
|
item_rect.width -= indent;
|
|
|
|
if ( item_rect.width <= 0 )
|
|
{
|
|
cell_rect.y += line_height;
|
|
continue;
|
|
}
|
|
|
|
// TODO: it would be much more efficient to create a clipping
|
|
// region for the entire column being rendered (in the OnPaint
|
|
// of wxDataViewMainWindow) instead of a single clip region for
|
|
// each cell. However it would mean that each renderer should
|
|
// respect the given wxRect's top & bottom coords, eventually
|
|
// violating only the left & right coords - however the user can
|
|
// make its own renderer and thus we cannot be sure of that.
|
|
wxDCClipper clip(dc, item_rect);
|
|
|
|
cell->WXCallRender(item_rect, &dc, state);
|
|
|
|
cell_rect.y += line_height;
|
|
}
|
|
|
|
cell_rect.x += cell_rect.width;
|
|
}
|
|
}
|
|
|
|
|
|
void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
|
|
{
|
|
wxRect rectBg( rect );
|
|
|
|
// don't overlap the horizontal rules
|
|
if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
|
|
{
|
|
rectBg.y++;
|
|
rectBg.height--;
|
|
}
|
|
|
|
// don't overlap the vertical rules
|
|
if ( m_owner->HasFlag(wxDV_VERT_RULES) )
|
|
{
|
|
// same note as in OnPaint handler above
|
|
// NB: Vertical rules are drawn in the last pixel of a column so that
|
|
// they align perfectly with native MSW wxHeaderCtrl as well as for
|
|
// consistency with MSW native list control. There's no vertical
|
|
// rule at the most-left side of the control.
|
|
rectBg.width--;
|
|
}
|
|
|
|
cell->RenderBackground(&dc, rectBg);
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnRenameTimer()
|
|
{
|
|
// We have to call this here because changes may just have
|
|
// been made and no screen update taken place.
|
|
if ( m_dirty )
|
|
{
|
|
// TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
|
|
// (needs to be tested!)
|
|
wxSafeYield();
|
|
}
|
|
|
|
wxDataViewItem item = GetItemByRow( m_currentRow );
|
|
|
|
StartEditing( item, m_currentCol );
|
|
}
|
|
|
|
void
|
|
wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
|
|
const wxDataViewColumn* col)
|
|
{
|
|
wxDataViewRenderer* renderer = col->GetRenderer();
|
|
if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
|
|
return;
|
|
|
|
const wxRect itemRect = GetItemRect(item, col);
|
|
if ( renderer->StartEditing(item, itemRect) )
|
|
{
|
|
renderer->NotifyEditingStarted(item);
|
|
|
|
// Save the renderer to be able to finish/cancel editing it later and
|
|
// save the control to be able to detect if we're still editing it.
|
|
m_editorRenderer = renderer;
|
|
m_editorCtrl = renderer->GetEditorCtrl();
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::FinishEditing()
|
|
{
|
|
if ( m_editorCtrl )
|
|
{
|
|
m_editorRenderer->FinishEditing();
|
|
}
|
|
}
|
|
|
|
void wxDataViewHeaderWindow::FinishEditing()
|
|
{
|
|
wxDataViewMainWindow *win = static_cast<wxDataViewMainWindow*>(GetOwner()->GetMainWindow());
|
|
win->FinishEditing();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Helper class for do operation on the tree node
|
|
//-----------------------------------------------------------------------------
|
|
class DoJob
|
|
{
|
|
public:
|
|
DoJob() { }
|
|
virtual ~DoJob() { }
|
|
|
|
// The return value control how the tree-walker tranverse the tree
|
|
enum
|
|
{
|
|
DONE, // Job done, stop traversing and return
|
|
SKIP_SUBTREE, // Ignore the current node's subtree and continue
|
|
CONTINUE // Job not done, continue
|
|
};
|
|
|
|
virtual int operator() ( wxDataViewTreeNode * node ) = 0;
|
|
};
|
|
|
|
bool Walker( wxDataViewTreeNode * node, DoJob & func )
|
|
{
|
|
wxCHECK_MSG( node, false, "can't walk NULL node" );
|
|
|
|
switch( func( node ) )
|
|
{
|
|
case DoJob::DONE:
|
|
return true;
|
|
case DoJob::SKIP_SUBTREE:
|
|
return false;
|
|
case DoJob::CONTINUE:
|
|
break;
|
|
}
|
|
|
|
if ( node->HasChildren() )
|
|
{
|
|
const wxDataViewTreeNodes& nodes = node->GetChildNodes();
|
|
|
|
for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
|
|
i != nodes.end();
|
|
++i )
|
|
{
|
|
if ( Walker(*i, func) )
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
|
|
{
|
|
if (IsVirtualList())
|
|
{
|
|
wxDataViewVirtualListModel *list_model =
|
|
(wxDataViewVirtualListModel*) GetModel();
|
|
m_count = list_model->GetCount();
|
|
}
|
|
else
|
|
{
|
|
// specific position (row) is unclear, so clear whole height cache
|
|
ClearRowHeightCache();
|
|
|
|
wxDataViewTreeNode *parentNode = FindNode(parent);
|
|
|
|
if ( !parentNode )
|
|
return false;
|
|
|
|
parentNode->SetHasChildren(true);
|
|
|
|
// If the parent node isn't and hadn't been opened yet, we don't have
|
|
// anything to do here, all the items will be added to it when it's
|
|
// opened for the first time.
|
|
if ( !parentNode->IsOpen() && parentNode->GetChildNodes().empty() )
|
|
{
|
|
return true;
|
|
}
|
|
|
|
wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
|
|
itemNode->SetHasChildren(GetModel()->IsContainer(item));
|
|
|
|
if ( GetSortOrder().IsNone() )
|
|
{
|
|
// There's no sorting, so we need to select an insertion position
|
|
|
|
wxDataViewItemArray modelSiblings;
|
|
GetModel()->GetChildren(parent, modelSiblings);
|
|
const int modelSiblingsSize = modelSiblings.size();
|
|
|
|
int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
|
|
wxCHECK_MSG(posInModel != wxNOT_FOUND, false, "adding non-existent item?");
|
|
|
|
|
|
const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
|
|
const int nodeSiblingsSize = nodeSiblings.size();
|
|
|
|
int nodePos = 0;
|
|
|
|
if ( posInModel == modelSiblingsSize - 1 )
|
|
{
|
|
nodePos = nodeSiblingsSize;
|
|
}
|
|
else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
|
|
{
|
|
// This is the simple case when our node tree already matches the
|
|
// model and only this one item is missing.
|
|
nodePos = posInModel;
|
|
}
|
|
else
|
|
{
|
|
// It's possible that a larger discrepancy between the model and
|
|
// our realization exists. This can happen e.g. when adding a bunch
|
|
// of items to the model and then calling ItemsAdded() just once
|
|
// afterwards. In this case, we must find the right position by
|
|
// looking at sibling items.
|
|
|
|
// append to the end if we won't find a better position:
|
|
nodePos = nodeSiblingsSize;
|
|
|
|
for ( int nextItemPos = posInModel + 1;
|
|
nextItemPos < modelSiblingsSize;
|
|
nextItemPos++ )
|
|
{
|
|
int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
|
|
if ( nextNodePos != wxNOT_FOUND )
|
|
{
|
|
nodePos = nextNodePos;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
parentNode->ChangeSubTreeCount(+1);
|
|
parentNode->InsertChild(this, itemNode, nodePos);
|
|
}
|
|
else
|
|
{
|
|
// Node list is or will be sorted, so InsertChild do not need insertion position
|
|
parentNode->ChangeSubTreeCount(+1);
|
|
parentNode->InsertChild(this, itemNode, 0);
|
|
}
|
|
|
|
InvalidateCount();
|
|
}
|
|
|
|
m_selection.OnItemsInserted(GetRowByItem(item), 1);
|
|
|
|
GetOwner()->InvalidateColBestWidths();
|
|
UpdateDisplay();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
|
|
const wxDataViewItem& item)
|
|
{
|
|
if (IsVirtualList())
|
|
{
|
|
wxDataViewVirtualListModel *list_model =
|
|
(wxDataViewVirtualListModel*) GetModel();
|
|
m_count = list_model->GetCount();
|
|
|
|
m_selection.OnItemDelete(GetRowByItem(item));
|
|
}
|
|
else // general case
|
|
{
|
|
wxDataViewTreeNode *parentNode = FindNode(parent);
|
|
|
|
// Notice that it is possible that the item being deleted is not in the
|
|
// tree at all, for example we could be deleting a never shown (because
|
|
// collapsed) item in a tree model. So it's not an error if we don't know
|
|
// about this item, just return without doing anything then.
|
|
if ( !parentNode )
|
|
return true;
|
|
|
|
wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
|
|
const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
|
|
|
|
// We can't use FindNode() to find 'item', because it was already
|
|
// removed from the model by the time ItemDeleted() is called, so we
|
|
// have to do it manually. We keep track of its position as well for
|
|
// later use.
|
|
int itemPosInNode = 0;
|
|
wxDataViewTreeNode *itemNode = NULL;
|
|
for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
|
|
i != parentsChildren.end();
|
|
++i, ++itemPosInNode )
|
|
{
|
|
if( (*i)->GetItem() == item )
|
|
{
|
|
itemNode = *i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If the parent wasn't expanded, it's possible that we didn't have a
|
|
// node corresponding to 'item' and so there's nothing left to do.
|
|
if ( !itemNode )
|
|
{
|
|
// If this was the last child to be removed, it's possible the parent
|
|
// node became a leaf. Let's ask the model about it.
|
|
if ( parentNode->GetChildNodes().empty() )
|
|
parentNode->SetHasChildren(GetModel()->IsContainer(parent));
|
|
|
|
return true;
|
|
}
|
|
|
|
if ( m_rowHeightCache )
|
|
m_rowHeightCache->Remove(GetRowByItem(parent) + itemPosInNode);
|
|
|
|
// Delete the item from wxDataViewTreeNode representation:
|
|
const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
|
|
|
|
parentNode->RemoveChild(itemPosInNode);
|
|
delete itemNode;
|
|
parentNode->ChangeSubTreeCount(-itemsDeleted);
|
|
|
|
// Make the row number invalid and get a new valid one when user call GetRowCount
|
|
InvalidateCount();
|
|
|
|
// If this was the last child to be removed, it's possible the parent
|
|
// node became a leaf. Let's ask the model about it.
|
|
if ( parentNode->GetChildNodes().empty() )
|
|
{
|
|
bool isContainer = GetModel()->IsContainer(parent);
|
|
parentNode->SetHasChildren(isContainer);
|
|
if ( isContainer )
|
|
{
|
|
// If it's still a container, make sure we show "+" icon for it
|
|
// and not "-" one as there is nothing to collapse any more.
|
|
if ( parentNode->IsOpen() )
|
|
parentNode->ToggleOpen(this);
|
|
}
|
|
}
|
|
|
|
// Update selection by removing 'item' and its entire children tree from the selection.
|
|
if ( !m_selection.IsEmpty() )
|
|
{
|
|
// we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
|
|
// the parent ('parentNode') and position in its list of children
|
|
int itemRow;
|
|
if ( itemPosInNode == 0 )
|
|
{
|
|
// 1st child, row number is that of the parent parentNode + 1
|
|
itemRow = GetRowByItem(parentNode->GetItem()) + 1;
|
|
}
|
|
else
|
|
{
|
|
// row number is that of the sibling above 'item' + its subtree if any + 1
|
|
const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
|
|
|
|
itemRow = GetRowByItem(siblingNode->GetItem()) +
|
|
siblingNode->GetSubTreeCount() +
|
|
1;
|
|
}
|
|
|
|
m_selection.OnItemsDeleted(itemRow, itemsDeleted);
|
|
}
|
|
}
|
|
|
|
// Change the current row to the last row if the current exceed the max row number
|
|
if ( m_currentRow >= GetRowCount() )
|
|
ChangeCurrentRow(m_count - 1);
|
|
|
|
GetOwner()->InvalidateColBestWidths();
|
|
UpdateDisplay();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::DoItemChanged(const wxDataViewItem & item, int view_column)
|
|
{
|
|
if ( !IsVirtualList() )
|
|
{
|
|
if ( m_rowHeightCache )
|
|
m_rowHeightCache->Remove(GetRowByItem(item));
|
|
|
|
// Move this node to its new correct place after it was updated.
|
|
//
|
|
// In principle, we could skip the call to PutInSortOrder() if the modified
|
|
// column is not the sort column, but in real-world applications it's fully
|
|
// possible and likely that custom compare uses not only the selected model
|
|
// column but also falls back to other values for comparison. To ensure
|
|
// consistency it is better to treat a value change as if it was an item
|
|
// change.
|
|
wxDataViewTreeNode* const node = FindNode(item);
|
|
wxCHECK_MSG( node, false, "invalid item" );
|
|
node->PutInSortOrder(this);
|
|
}
|
|
|
|
wxDataViewColumn* column;
|
|
if ( view_column == wxNOT_FOUND )
|
|
{
|
|
column = NULL;
|
|
GetOwner()->InvalidateColBestWidths();
|
|
}
|
|
else
|
|
{
|
|
column = m_owner->GetColumn(view_column);
|
|
GetOwner()->InvalidateColBestWidth(view_column);
|
|
}
|
|
|
|
// Update the displayed value(s).
|
|
RefreshRow(GetRowByItem(item));
|
|
|
|
// Send event
|
|
wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, m_owner, column, item);
|
|
m_owner->ProcessWindowEvent(le);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
|
|
{
|
|
int view_column = m_owner->GetModelColumnIndex(model_column);
|
|
if ( view_column == wxNOT_FOUND )
|
|
return false;
|
|
|
|
return DoItemChanged(item, view_column);
|
|
}
|
|
|
|
bool wxDataViewMainWindow::Cleared()
|
|
{
|
|
DestroyTree();
|
|
m_selection.Clear();
|
|
m_currentRow = (unsigned)-1;
|
|
|
|
ClearRowHeightCache();
|
|
|
|
if (GetModel())
|
|
{
|
|
BuildTree( GetModel() );
|
|
}
|
|
else
|
|
{
|
|
m_count = 0;
|
|
}
|
|
|
|
GetOwner()->InvalidateColBestWidths();
|
|
UpdateDisplay();
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::UpdateDisplay()
|
|
{
|
|
m_dirty = true;
|
|
m_underMouse = NULL;
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnInternalIdle()
|
|
{
|
|
wxWindow::OnInternalIdle();
|
|
|
|
if (m_dirty)
|
|
{
|
|
RecalculateDisplay();
|
|
m_dirty = false;
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::RecalculateDisplay()
|
|
{
|
|
wxDataViewModel *model = GetModel();
|
|
if (!model)
|
|
{
|
|
Refresh();
|
|
return;
|
|
}
|
|
|
|
int width = GetEndOfLastCol();
|
|
int height = GetLineStart( GetRowCount() );
|
|
|
|
SetVirtualSize( width, height );
|
|
GetOwner()->SetScrollRate( 10, m_lineHeight );
|
|
UpdateColumnSizes();
|
|
|
|
Refresh();
|
|
}
|
|
|
|
void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
|
|
{
|
|
m_underMouse = NULL;
|
|
|
|
wxWindow::ScrollWindow( dx, dy, rect );
|
|
|
|
if (GetOwner()->m_headerArea)
|
|
GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
|
|
}
|
|
|
|
void wxDataViewMainWindow::ScrollTo( int rows, int column )
|
|
{
|
|
m_underMouse = NULL;
|
|
|
|
int x, y;
|
|
m_owner->GetScrollPixelsPerUnit( &x, &y );
|
|
|
|
// Take care to not divide by 0 if we're somehow called before scrolling
|
|
// parameters are initialized.
|
|
int sy = y ? GetLineStart( rows )/y : -1;
|
|
int sx = -1;
|
|
if( column != -1 && x )
|
|
{
|
|
wxRect rect = GetClientRect();
|
|
int colnum = 0;
|
|
int x_start, w = 0;
|
|
int xx, yy, xe;
|
|
m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
|
|
for (x_start = 0; colnum < column; colnum++)
|
|
{
|
|
wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
|
|
if (col->IsHidden())
|
|
continue; // skip it!
|
|
|
|
w = col->GetWidth();
|
|
x_start += w;
|
|
}
|
|
|
|
int x_end = x_start + w;
|
|
xe = xx + rect.width;
|
|
if( x_end > xe )
|
|
{
|
|
sx = ( xx + x_end - xe )/x;
|
|
}
|
|
if( x_start < xx )
|
|
{
|
|
sx = x_start/x;
|
|
}
|
|
}
|
|
m_owner->Scroll( sx, sy );
|
|
}
|
|
|
|
int wxDataViewMainWindow::GetCountPerPage() const
|
|
{
|
|
wxSize size = GetClientSize();
|
|
return size.y / m_lineHeight;
|
|
}
|
|
|
|
wxDataViewItem wxDataViewMainWindow::GetTopItem() const
|
|
{
|
|
unsigned int item = GetFirstVisibleRow();
|
|
wxDataViewTreeNode *node = NULL;
|
|
wxDataViewItem dataitem;
|
|
|
|
if ( !IsVirtualList() )
|
|
{
|
|
node = GetTreeNodeByRow(item);
|
|
if( node == NULL ) return wxDataViewItem(0);
|
|
|
|
dataitem = node->GetItem();
|
|
}
|
|
else
|
|
{
|
|
dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
|
|
}
|
|
|
|
return dataitem;
|
|
}
|
|
|
|
int wxDataViewMainWindow::GetEndOfLastCol() const
|
|
{
|
|
int width = 0;
|
|
unsigned int i;
|
|
for (i = 0; i < GetOwner()->GetColumnCount(); i++)
|
|
{
|
|
const wxDataViewColumn *c =
|
|
const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
|
|
|
|
if (!c->IsHidden())
|
|
width += c->GetWidth();
|
|
}
|
|
return width;
|
|
}
|
|
|
|
unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
|
|
{
|
|
int x = 0;
|
|
int y = 0;
|
|
m_owner->CalcUnscrolledPosition( x, y, &x, &y );
|
|
|
|
return GetLineAt( y );
|
|
}
|
|
|
|
unsigned int wxDataViewMainWindow::GetLastVisibleRow()
|
|
{
|
|
wxSize client_size = GetClientSize();
|
|
// Find row occupying the bottom line of the client area (dimY-1).
|
|
m_owner->CalcUnscrolledPosition( client_size.x, client_size.y-1,
|
|
&client_size.x, &client_size.y );
|
|
unsigned int row = GetLineAt(client_size.y);
|
|
|
|
return wxMin( GetRowCount()-1, row );
|
|
}
|
|
|
|
unsigned int wxDataViewMainWindow::GetLastFullyVisibleRow()
|
|
{
|
|
unsigned int row = GetLastVisibleRow();
|
|
|
|
int bottom = GetLineStart(row) + GetLineHeight(row);
|
|
m_owner->CalcScrolledPosition(-1, bottom, NULL, &bottom);
|
|
|
|
if ( bottom > GetClientSize().y )
|
|
return wxMax(0, row - 1);
|
|
else
|
|
return row;
|
|
}
|
|
|
|
unsigned int wxDataViewMainWindow::GetRowCount() const
|
|
{
|
|
if ( m_count == -1 )
|
|
{
|
|
wxDataViewMainWindow* const
|
|
self = const_cast<wxDataViewMainWindow*>(this);
|
|
self->UpdateCount(RecalculateCount());
|
|
self->UpdateDisplay();
|
|
}
|
|
return m_count;
|
|
}
|
|
|
|
void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
|
|
{
|
|
m_currentRow = row;
|
|
|
|
// send event
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_FOCUS, m_owner, wxOBJID_CLIENT, m_currentRow+1);
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
}
|
|
|
|
bool wxDataViewMainWindow::UnselectAllRows(unsigned int except)
|
|
{
|
|
if (!m_selection.IsEmpty())
|
|
{
|
|
for (unsigned i = GetFirstVisibleRow(); i <= GetLastVisibleRow(); i++)
|
|
{
|
|
if (m_selection.IsSelected(i) && i != except)
|
|
RefreshRow(i);
|
|
}
|
|
|
|
if (except != (unsigned int)-1)
|
|
{
|
|
const bool wasSelected = m_selection.IsSelected(except);
|
|
ClearSelection();
|
|
if (wasSelected)
|
|
{
|
|
m_selection.SelectItem(except);
|
|
|
|
// The special item is still selected.
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ClearSelection();
|
|
}
|
|
}
|
|
|
|
// There are no selected items left.
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
|
|
{
|
|
if ( m_selection.SelectItem(row, on) )
|
|
RefreshRow(row);
|
|
}
|
|
|
|
void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to )
|
|
{
|
|
wxArrayInt changed;
|
|
if ( m_selection.SelectRange(from, to, true, &changed) )
|
|
{
|
|
for (unsigned i = 0; i < changed.size(); i++)
|
|
RefreshRow(changed[i]);
|
|
}
|
|
else // Selection of too many rows has changed.
|
|
{
|
|
RefreshRows( from, to );
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
|
|
{
|
|
for (size_t i=0; i < aSelections.GetCount(); i++)
|
|
{
|
|
int n = aSelections[i];
|
|
|
|
if ( m_selection.SelectItem(n) )
|
|
RefreshRow( n );
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
|
|
{
|
|
m_selection.SelectItem(row, !m_selection.IsSelected(row));
|
|
RefreshRow( row );
|
|
}
|
|
|
|
bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
|
|
{
|
|
return m_selection.IsSelected(row);
|
|
}
|
|
|
|
void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
|
|
{
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_SELECTIONWITHIN, m_owner, wxOBJID_CLIENT, wxACC_SELF);
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
wxDataViewEvent le(wxEVT_DATAVIEW_SELECTION_CHANGED, m_owner, item);
|
|
m_owner->ProcessWindowEvent(le);
|
|
}
|
|
|
|
void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
|
|
{
|
|
wxRect rect = GetLinesRect(from, to);
|
|
|
|
m_owner->CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y);
|
|
|
|
wxSize client_size = GetClientSize();
|
|
wxRect client_rect( 0, 0, client_size.x, client_size.y );
|
|
wxRect intersect_rect = client_rect.Intersect( rect );
|
|
if (!intersect_rect.IsEmpty())
|
|
Refresh( true, &intersect_rect );
|
|
}
|
|
|
|
void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
|
|
{
|
|
wxSize client_size = GetClientSize();
|
|
int start = GetLineStart( firstRow );
|
|
m_owner->CalcScrolledPosition( start, 0, &start, NULL );
|
|
if (start > client_size.y) return;
|
|
|
|
wxRect rect( 0, start, client_size.x, client_size.y - start );
|
|
|
|
Refresh( true, &rect );
|
|
}
|
|
|
|
wxRect wxDataViewMainWindow::GetLinesRect( unsigned int rowFrom, unsigned int rowTo ) const
|
|
{
|
|
if (rowFrom > rowTo)
|
|
wxSwap(rowFrom, rowTo);
|
|
|
|
wxRect rect;
|
|
rect.x = 0;
|
|
rect.y = GetLineStart(rowFrom);
|
|
// Don't calculate exact width of the row, because GetEndOfLastCol() is
|
|
// expensive to call, and controls with rows not spanning entire width rare.
|
|
// It is more efficient to e.g. repaint empty parts of the window needlessly.
|
|
rect.width = INT_MAX;
|
|
if (rowFrom == rowTo)
|
|
rect.height = GetLineHeight(rowFrom);
|
|
else
|
|
rect.height = GetLineStart(rowTo) - rect.y + GetLineHeight(rowTo);
|
|
return rect;
|
|
}
|
|
|
|
int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
|
|
{
|
|
// check for the easy case first
|
|
if ( !m_rowHeightCache || !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
|
|
return row * m_lineHeight;
|
|
|
|
int start = 0;
|
|
if ( m_rowHeightCache->GetLineStart(row, start) )
|
|
return start;
|
|
|
|
unsigned int r;
|
|
for (r = 0; r < row; r++)
|
|
{
|
|
int height = 0;
|
|
if ( !m_rowHeightCache->GetLineHeight(r, height) )
|
|
{
|
|
// row height not in cache -> get it from the renderer...
|
|
wxDataViewItem item = GetItemByRow(r);
|
|
if (!item)
|
|
break;
|
|
|
|
height = QueryAndCacheLineHeight(r, item);
|
|
}
|
|
|
|
start += height;
|
|
}
|
|
|
|
return start;
|
|
}
|
|
|
|
int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
|
|
{
|
|
// check for the easy case first
|
|
if ( !m_rowHeightCache || !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
|
|
return y / m_lineHeight;
|
|
|
|
unsigned int row = 0;
|
|
if ( m_rowHeightCache->GetLineAt(y, row) )
|
|
return row;
|
|
|
|
// OnPaint asks GetLineAt for the very last y position and this is always
|
|
// below the last item (--> an invalid item). To prevent iterating over all
|
|
// items, check if y is below the last row.
|
|
// Because this is done very often (for each repaint) its worth to handle
|
|
// this special case separately.
|
|
int height = 0;
|
|
int start = 0;
|
|
unsigned int rowCount = GetRowCount();
|
|
if (rowCount == 0 ||
|
|
(m_rowHeightCache->GetLineInfo(rowCount - 1, start, height) &&
|
|
y >= static_cast<unsigned int>(start + height)))
|
|
{
|
|
return rowCount;
|
|
}
|
|
|
|
// sum all item heights until y is reached
|
|
unsigned int yy = 0;
|
|
for (;;)
|
|
{
|
|
height = 0;
|
|
if ( !m_rowHeightCache->GetLineHeight(row, height) )
|
|
{
|
|
// row height not in cache -> get it from the renderer...
|
|
wxDataViewItem item = GetItemByRow(row);
|
|
if ( !item )
|
|
{
|
|
wxASSERT(row >= GetRowCount());
|
|
break;
|
|
}
|
|
|
|
height = QueryAndCacheLineHeight(row, item);
|
|
}
|
|
|
|
yy += height;
|
|
if (y < yy)
|
|
break;
|
|
|
|
row++;
|
|
}
|
|
return row;
|
|
}
|
|
|
|
int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
|
|
{
|
|
// check for the easy case first
|
|
if ( !m_rowHeightCache || !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
|
|
return m_lineHeight;
|
|
|
|
int height = 0;
|
|
if ( m_rowHeightCache->GetLineHeight(row, height) )
|
|
return height;
|
|
|
|
wxDataViewItem item = GetItemByRow(row);
|
|
if ( !item )
|
|
return m_lineHeight;
|
|
|
|
height = QueryAndCacheLineHeight(row, item);
|
|
return height;
|
|
}
|
|
|
|
int wxDataViewMainWindow::QueryAndCacheLineHeight(unsigned int row, wxDataViewItem item) const
|
|
{
|
|
const wxDataViewModel *model = GetModel();
|
|
int height = m_lineHeight;
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
unsigned int col;
|
|
for (col = 0; col < cols; col++)
|
|
{
|
|
const wxDataViewColumn *column = GetOwner()->GetColumn(col);
|
|
if (column->IsHidden())
|
|
continue; // skip it!
|
|
|
|
if ((col != 0) &&
|
|
model->IsContainer(item) &&
|
|
!model->HasContainerColumns(item))
|
|
continue; // skip it!
|
|
|
|
wxDataViewRenderer *renderer =
|
|
const_cast<wxDataViewRenderer*>(column->GetRenderer());
|
|
renderer->PrepareForItem(model, item, column->GetModelColumn());
|
|
|
|
height = wxMax(height, renderer->GetSize().y);
|
|
}
|
|
|
|
// ... and store the height in the cache
|
|
m_rowHeightCache->Put(row, height);
|
|
|
|
return height;
|
|
}
|
|
|
|
|
|
class RowToTreeNodeJob: public DoJob
|
|
{
|
|
public:
|
|
// Note that we initialize m_current to -1 because the first node passed to
|
|
// our operator() will be the root node, which doesn't appear in the window
|
|
// and so doesn't count as a real row.
|
|
explicit RowToTreeNodeJob(int row)
|
|
: m_row(row), m_current(-1), m_ret(NULL)
|
|
{
|
|
}
|
|
|
|
virtual int operator() ( wxDataViewTreeNode * node ) wxOVERRIDE
|
|
{
|
|
if( m_current == m_row)
|
|
{
|
|
m_ret = node;
|
|
return DoJob::DONE;
|
|
}
|
|
|
|
if( node->GetSubTreeCount() + m_current < m_row )
|
|
{
|
|
m_current += node->GetSubTreeCount() + 1;
|
|
return DoJob::SKIP_SUBTREE;
|
|
}
|
|
else
|
|
{
|
|
// If the current node has only leaf children, we can find the
|
|
// desired node directly. This can speed up finding the node
|
|
// in some cases, and will have a very good effect for list views.
|
|
if ( node->HasChildren() &&
|
|
(int)node->GetChildNodes().size() == node->GetSubTreeCount() )
|
|
{
|
|
const int index = m_row - m_current - 1;
|
|
m_ret = node->GetChildNodes()[index];
|
|
return DoJob::DONE;
|
|
}
|
|
|
|
m_current++;
|
|
|
|
return DoJob::CONTINUE;
|
|
}
|
|
}
|
|
|
|
wxDataViewTreeNode * GetResult() const
|
|
{ return m_ret; }
|
|
|
|
private:
|
|
const int m_row;
|
|
int m_current;
|
|
wxDataViewTreeNode* m_ret;
|
|
};
|
|
|
|
wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
|
|
{
|
|
wxASSERT( !IsVirtualList() );
|
|
|
|
if ( row == (unsigned)-1 )
|
|
return NULL;
|
|
|
|
RowToTreeNodeJob job(static_cast<int>(row));
|
|
Walker( m_root , job );
|
|
return job.GetResult();
|
|
}
|
|
|
|
wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
|
|
{
|
|
wxDataViewItem item;
|
|
if (IsVirtualList())
|
|
{
|
|
if ( row < GetRowCount() )
|
|
item = wxDataViewItem(wxUIntToPtr(row+1));
|
|
}
|
|
else
|
|
{
|
|
wxDataViewTreeNode *node = GetTreeNodeByRow(row);
|
|
if ( node )
|
|
item = node->GetItem();
|
|
}
|
|
|
|
return item;
|
|
}
|
|
|
|
bool
|
|
wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
|
|
const wxDataViewItem& item)
|
|
{
|
|
#if wxUSE_ACCESSIBILITY
|
|
if ( type == wxEVT_DATAVIEW_ITEM_EXPANDED || type == wxEVT_DATAVIEW_ITEM_COLLAPSED )
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_REORDER, m_owner, wxOBJID_CLIENT, wxACC_SELF);
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
wxDataViewEvent le(type, m_owner, item);
|
|
return !m_owner->ProcessWindowEvent(le) || le.IsAllowed();
|
|
}
|
|
|
|
bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
|
|
{
|
|
if (IsList())
|
|
return false;
|
|
|
|
wxDataViewTreeNode * node = GetTreeNodeByRow(row);
|
|
if (!node)
|
|
return false;
|
|
|
|
if (!node->HasChildren())
|
|
return false;
|
|
|
|
return node->IsOpen();
|
|
}
|
|
|
|
bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
|
|
{
|
|
if (IsList())
|
|
return false;
|
|
|
|
wxDataViewTreeNode * node = GetTreeNodeByRow(row);
|
|
if (!node)
|
|
return false;
|
|
|
|
if (!node->HasChildren())
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::Expand( unsigned int row )
|
|
{
|
|
if (IsList())
|
|
return;
|
|
|
|
wxDataViewTreeNode * node = GetTreeNodeByRow(row);
|
|
if (!node)
|
|
return;
|
|
|
|
if (!node->HasChildren())
|
|
return;
|
|
|
|
if ( m_rowHeightCache )
|
|
{
|
|
// Expand makes new rows visible thus we invalidates all following
|
|
// rows in the height cache
|
|
m_rowHeightCache->Remove(row);
|
|
}
|
|
|
|
if (!node->IsOpen())
|
|
{
|
|
if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
|
|
{
|
|
// Vetoed by the event handler.
|
|
return;
|
|
}
|
|
|
|
node->ToggleOpen(this);
|
|
|
|
// build the children of current node
|
|
if( node->GetChildNodes().empty() )
|
|
{
|
|
::BuildTreeHelper(this, GetModel(), node->GetItem(), node);
|
|
}
|
|
|
|
const unsigned countNewRows = node->GetSubTreeCount();
|
|
|
|
// Shift all stored indices after this row by the number of newly added
|
|
// rows.
|
|
m_selection.OnItemsInserted(row + 1, countNewRows);
|
|
if ( m_currentRow > row )
|
|
ChangeCurrentRow(m_currentRow + countNewRows);
|
|
|
|
if ( m_count != -1 )
|
|
m_count += countNewRows;
|
|
|
|
// Expanding this item means the previously cached column widths could
|
|
// have become invalid as new items are now visible.
|
|
GetOwner()->InvalidateColBestWidths();
|
|
|
|
UpdateDisplay();
|
|
// Send the expanded event
|
|
SendExpanderEvent(wxEVT_DATAVIEW_ITEM_EXPANDED,node->GetItem());
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::Collapse(unsigned int row)
|
|
{
|
|
if (IsList())
|
|
return;
|
|
|
|
wxDataViewTreeNode *node = GetTreeNodeByRow(row);
|
|
if (!node)
|
|
return;
|
|
|
|
if (!node->HasChildren())
|
|
return;
|
|
|
|
if ( m_rowHeightCache )
|
|
{
|
|
// Collapse hides rows thus we invalidates all following
|
|
// rows in the height cache
|
|
m_rowHeightCache->Remove(row);
|
|
}
|
|
|
|
if (node->IsOpen())
|
|
{
|
|
if ( !SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
|
|
{
|
|
// Vetoed by the event handler.
|
|
return;
|
|
}
|
|
|
|
const unsigned countDeletedRows = node->GetSubTreeCount();
|
|
|
|
if ( m_selection.OnItemsDeleted(row + 1, countDeletedRows) )
|
|
{
|
|
SendSelectionChangedEvent(GetItemByRow(row));
|
|
}
|
|
|
|
node->ToggleOpen(this);
|
|
|
|
// Adjust the current row if necessary.
|
|
if ( m_currentRow > row )
|
|
{
|
|
// If the current row was among the collapsed items, make the
|
|
// parent itself current.
|
|
if ( m_currentRow <= row + countDeletedRows )
|
|
ChangeCurrentRow(row);
|
|
else // Otherwise just update the index.
|
|
ChangeCurrentRow(m_currentRow - countDeletedRows);
|
|
}
|
|
|
|
if ( m_count != -1 )
|
|
m_count -= countDeletedRows;
|
|
|
|
GetOwner()->InvalidateColBestWidths();
|
|
|
|
UpdateDisplay();
|
|
SendExpanderEvent(wxEVT_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
|
|
}
|
|
}
|
|
|
|
wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
|
|
{
|
|
const wxDataViewModel * model = GetModel();
|
|
if( model == NULL )
|
|
return NULL;
|
|
|
|
if (!item.IsOk())
|
|
return m_root;
|
|
|
|
// Compose the parent-chain for the item we are looking for
|
|
wxVector<wxDataViewItem> parentChain;
|
|
wxDataViewItem it( item );
|
|
while( it.IsOk() )
|
|
{
|
|
parentChain.push_back(it);
|
|
it = model->GetParent(it);
|
|
}
|
|
|
|
// Find the item along the parent-chain.
|
|
// This algorithm is designed to speed up the node-finding method
|
|
wxDataViewTreeNode* node = m_root;
|
|
for( unsigned iter = parentChain.size()-1; ; --iter )
|
|
{
|
|
if( node->HasChildren() )
|
|
{
|
|
if( node->GetChildNodes().empty() )
|
|
{
|
|
// Even though the item is a container, it doesn't have any
|
|
// child nodes in the control's representation yet. We have
|
|
// to realize its subtree now.
|
|
::BuildTreeHelper(this, model, node->GetItem(), node);
|
|
}
|
|
|
|
const wxDataViewTreeNodes& nodes = node->GetChildNodes();
|
|
bool found = false;
|
|
|
|
for (unsigned i = 0; i < nodes.size(); ++i)
|
|
{
|
|
wxDataViewTreeNode* currentNode = nodes[i];
|
|
if (currentNode->GetItem() == parentChain[iter])
|
|
{
|
|
if (currentNode->GetItem() == item)
|
|
return currentNode;
|
|
|
|
node = currentNode;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found)
|
|
return NULL;
|
|
}
|
|
else
|
|
return NULL;
|
|
|
|
if ( !iter )
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
|
|
wxDataViewColumn* &column )
|
|
{
|
|
wxDataViewColumn *col = NULL;
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
unsigned int colnum = 0;
|
|
int x, y;
|
|
m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
|
|
for (unsigned x_start = 0; colnum < cols; colnum++)
|
|
{
|
|
col = GetOwner()->GetColumnAt(colnum);
|
|
if (col->IsHidden())
|
|
continue; // skip it!
|
|
|
|
unsigned int w = col->GetWidth();
|
|
if (x_start+w >= (unsigned int)x)
|
|
break;
|
|
|
|
x_start += w;
|
|
}
|
|
|
|
column = col;
|
|
item = GetItemByRow( GetLineAt( y ) );
|
|
}
|
|
|
|
wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
|
|
const wxDataViewColumn* column )
|
|
{
|
|
int xpos = 0;
|
|
int width = 0;
|
|
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
// If column is null the loop will compute the combined width of all columns.
|
|
// Otherwise, it will compute the x position of the column we are looking for.
|
|
for (unsigned int i = 0; i < cols; i++)
|
|
{
|
|
wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
|
|
|
|
if (col == column)
|
|
break;
|
|
|
|
if (col->IsHidden())
|
|
continue; // skip it!
|
|
|
|
xpos += col->GetWidth();
|
|
width += col->GetWidth();
|
|
}
|
|
|
|
if(column != 0)
|
|
{
|
|
// If we have a column, we need can get its width directly.
|
|
if(column->IsHidden())
|
|
width = 0;
|
|
else
|
|
width = column->GetWidth();
|
|
|
|
}
|
|
else
|
|
{
|
|
// If we have no column, we reset the x position back to zero.
|
|
xpos = 0;
|
|
}
|
|
|
|
const int row = GetRowByItem(item);
|
|
if ( row == -1 )
|
|
{
|
|
// This means the row is currently not visible at all.
|
|
return wxRect();
|
|
}
|
|
|
|
// we have to take an expander column into account and compute its indentation
|
|
// to get the correct x position where the actual text is
|
|
int indent = 0;
|
|
if (!IsList() &&
|
|
(column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
|
|
{
|
|
wxDataViewTreeNode* node = GetTreeNodeByRow(row);
|
|
indent = GetOwner()->GetIndent() * node->GetIndentLevel();
|
|
indent += wxRendererNative::Get().GetExpanderSize(this).GetWidth();
|
|
}
|
|
|
|
wxRect itemRect( xpos + indent,
|
|
GetLineStart( row ),
|
|
width - indent,
|
|
GetLineHeight( row ) );
|
|
|
|
GetOwner()->CalcScrolledPosition( itemRect.x, itemRect.y,
|
|
&itemRect.x, &itemRect.y );
|
|
|
|
// Check if the rectangle is completely outside of the currently visible
|
|
// area and, if so, return an empty rectangle to indicate that the item is
|
|
// not visible.
|
|
if ( itemRect.GetBottom() < 0 || itemRect.GetTop() > GetClientSize().y )
|
|
{
|
|
return wxRect();
|
|
}
|
|
|
|
return itemRect;
|
|
}
|
|
|
|
int wxDataViewMainWindow::RecalculateCount() const
|
|
{
|
|
if (IsVirtualList())
|
|
{
|
|
const wxDataViewVirtualListModel* list_model =
|
|
static_cast<const wxDataViewVirtualListModel*>(GetModel());
|
|
|
|
return list_model->GetCount();
|
|
}
|
|
else
|
|
{
|
|
return m_root->GetSubTreeCount();
|
|
}
|
|
}
|
|
|
|
class ItemToRowJob : public DoJob
|
|
{
|
|
public:
|
|
// As with RowToTreeNodeJob above, we initialize m_current to -1 because
|
|
// the first node passed to our operator() is the root node which is not
|
|
// visible on screen and so we should return 0 for its first child node and
|
|
// not for the root itself.
|
|
ItemToRowJob(const wxDataViewItem& item, wxVector<wxDataViewItem>::reverse_iterator iter)
|
|
: m_item(item), m_iter(iter), m_current(-1)
|
|
{
|
|
}
|
|
|
|
// Maybe binary search will help to speed up this process
|
|
virtual int operator() ( wxDataViewTreeNode * node) wxOVERRIDE
|
|
{
|
|
if( node->GetItem() == m_item )
|
|
{
|
|
return DoJob::DONE;
|
|
}
|
|
|
|
// Is this node the next (grand)parent of the item we're looking for?
|
|
if( node->GetItem() == *m_iter )
|
|
{
|
|
// Search for the next (grand)parent now and skip this item itself.
|
|
++m_iter;
|
|
++m_current;
|
|
return DoJob::CONTINUE;
|
|
}
|
|
else
|
|
{
|
|
// Skip this node and all its currently visible children.
|
|
m_current += node->GetSubTreeCount() + 1;
|
|
return DoJob::SKIP_SUBTREE;
|
|
}
|
|
|
|
}
|
|
|
|
int GetResult() const
|
|
{ return m_current; }
|
|
|
|
private:
|
|
const wxDataViewItem m_item;
|
|
wxVector<wxDataViewItem>::reverse_iterator m_iter;
|
|
|
|
// The row corresponding to the last node seen in our operator().
|
|
int m_current;
|
|
|
|
};
|
|
|
|
int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
|
|
{
|
|
const wxDataViewModel * model = GetModel();
|
|
if( model == NULL )
|
|
return -1;
|
|
|
|
if (IsVirtualList())
|
|
{
|
|
return wxPtrToUInt( item.GetID() ) -1;
|
|
}
|
|
else
|
|
{
|
|
if( !item.IsOk() )
|
|
return -1;
|
|
|
|
// Compose the parent-chain of the item we are looking for
|
|
wxVector<wxDataViewItem> parentChain;
|
|
wxDataViewItem it( item );
|
|
while( it.IsOk() )
|
|
{
|
|
parentChain.push_back(it);
|
|
it = model->GetParent(it);
|
|
}
|
|
|
|
// add an 'invalid' item to represent our 'invisible' root node
|
|
parentChain.push_back(wxDataViewItem());
|
|
|
|
// the parent chain was created by adding the deepest parent first.
|
|
// so if we want to start at the root node, we have to iterate backwards through the vector
|
|
ItemToRowJob job( item, parentChain.rbegin() );
|
|
if ( !Walker( m_root, job ) )
|
|
return -1;
|
|
|
|
return job.GetResult();
|
|
}
|
|
}
|
|
|
|
static void BuildTreeHelper( wxDataViewMainWindow *window, const wxDataViewModel * model,
|
|
const wxDataViewItem & item, wxDataViewTreeNode * node)
|
|
{
|
|
if( !model->IsContainer( item ) )
|
|
return;
|
|
|
|
wxDataViewItemArray children;
|
|
unsigned int num = model->GetChildren( item, children);
|
|
|
|
for ( unsigned int index = 0; index < num; index++ )
|
|
{
|
|
wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
|
|
|
|
if( model->IsContainer(children[index]) )
|
|
n->SetHasChildren( true );
|
|
|
|
node->InsertChild(window, n, index);
|
|
}
|
|
|
|
if ( node->IsOpen() )
|
|
node->ChangeSubTreeCount(+num);
|
|
}
|
|
|
|
void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
|
|
{
|
|
DestroyTree();
|
|
|
|
if (GetModel()->IsVirtualListModel())
|
|
{
|
|
InvalidateCount();
|
|
return;
|
|
}
|
|
|
|
m_root = wxDataViewTreeNode::CreateRootNode();
|
|
|
|
// First we define a invalid item to fetch the top-level elements
|
|
wxDataViewItem item;
|
|
BuildTreeHelper(this, model, item, m_root);
|
|
InvalidateCount();
|
|
}
|
|
|
|
void wxDataViewMainWindow::DestroyTree()
|
|
{
|
|
if (!IsVirtualList())
|
|
{
|
|
wxDELETE(m_root);
|
|
m_count = 0;
|
|
}
|
|
}
|
|
|
|
wxDataViewColumn*
|
|
wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode) const
|
|
{
|
|
// Edit the current column editable in 'mode'. If no column is focused
|
|
// (typically because the user has full row selected), try to find the
|
|
// first editable column (this would typically be a checkbox for
|
|
// wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
|
|
// focus on the checkbox column; or on the only editable text column).
|
|
|
|
wxDataViewColumn *candidate = m_currentCol;
|
|
|
|
if ( candidate &&
|
|
!IsCellEditableInMode(item, candidate, mode) &&
|
|
!m_currentColSetByKeyboard )
|
|
{
|
|
// If current column was set by mouse to something not editable (in
|
|
// 'mode') and the user pressed Space/F2 to edit it, treat the
|
|
// situation as if there was whole-row focus, because that's what is
|
|
// visually indicated and the mouse click could very well be targeted
|
|
// on the row rather than on an individual cell.
|
|
//
|
|
// But if it was done by keyboard, respect that even if the column
|
|
// isn't editable, because focus is visually on that column and editing
|
|
// something else would be surprising.
|
|
candidate = NULL;
|
|
}
|
|
|
|
if ( !candidate )
|
|
{
|
|
const unsigned cols = GetOwner()->GetColumnCount();
|
|
for ( unsigned i = 0; i < cols; i++ )
|
|
{
|
|
wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
|
|
if ( c->IsHidden() )
|
|
continue;
|
|
|
|
if ( IsCellEditableInMode(item, c, mode) )
|
|
{
|
|
candidate = c;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If on container item without columns, only the expander column
|
|
// may be directly editable:
|
|
if ( candidate &&
|
|
GetOwner()->GetExpanderColumn() != candidate &&
|
|
GetModel()->IsContainer(item) &&
|
|
!GetModel()->HasContainerColumns(item) )
|
|
{
|
|
candidate = GetOwner()->GetExpanderColumn();
|
|
}
|
|
|
|
if ( !candidate )
|
|
return NULL;
|
|
|
|
if ( !IsCellEditableInMode(item, candidate, mode) )
|
|
return NULL;
|
|
|
|
return candidate;
|
|
}
|
|
|
|
bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
|
|
const wxDataViewColumn *col,
|
|
wxDataViewCellMode mode) const
|
|
{
|
|
if ( col->GetRenderer()->GetMode() != mode )
|
|
return false;
|
|
|
|
if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
|
|
{
|
|
if ( m_editorCtrl )
|
|
{
|
|
// Handle any keys special for the in-place editor and return without
|
|
// calling Skip() below.
|
|
switch ( event.GetKeyCode() )
|
|
{
|
|
case WXK_ESCAPE:
|
|
m_editorRenderer->CancelEditing();
|
|
return;
|
|
|
|
case WXK_RETURN:
|
|
// Shift-Enter is not special neither.
|
|
if ( event.ShiftDown() )
|
|
break;
|
|
wxFALLTHROUGH;
|
|
|
|
case WXK_TAB:
|
|
// Ctrl/Alt-Tab or Enter could be used for something else, so
|
|
// don't handle them here.
|
|
if ( event.HasModifiers() )
|
|
break;
|
|
|
|
m_editorRenderer->FinishEditing();
|
|
return;
|
|
}
|
|
}
|
|
else if ( m_useCellFocus )
|
|
{
|
|
if ( event.GetKeyCode() == WXK_TAB && !event.HasModifiers() )
|
|
{
|
|
if ( event.ShiftDown() )
|
|
OnLeftKey(event);
|
|
else
|
|
OnRightKey(event);
|
|
return;
|
|
}
|
|
}
|
|
|
|
event.Skip();
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
|
|
{
|
|
wxWindow * const parent = GetParent();
|
|
|
|
// propagate the char event upwards
|
|
wxKeyEvent eventForParent(event);
|
|
eventForParent.SetEventObject(parent);
|
|
if ( parent->ProcessWindowEvent(eventForParent) )
|
|
return;
|
|
|
|
if ( parent->HandleAsNavigationKey(event) )
|
|
return;
|
|
|
|
// no item -> nothing to do
|
|
if (!HasCurrentRow())
|
|
{
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
switch ( event.GetKeyCode() )
|
|
{
|
|
case WXK_RETURN:
|
|
if ( event.HasModifiers() )
|
|
{
|
|
event.Skip();
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// Enter activates the item, i.e. sends wxEVT_DATAVIEW_ITEM_ACTIVATED to
|
|
// it. Only if that event is not handled do we activate column renderer (which
|
|
// is normally done by Space) or even inline editing.
|
|
|
|
const wxDataViewItem item = GetItemByRow(m_currentRow);
|
|
|
|
wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED, m_owner, item);
|
|
if ( m_owner->ProcessWindowEvent(le) )
|
|
break;
|
|
// else: fall through to WXK_SPACE handling
|
|
}
|
|
wxFALLTHROUGH;
|
|
|
|
case WXK_SPACE:
|
|
if ( event.HasModifiers() )
|
|
{
|
|
event.Skip();
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// Space toggles activatable items or -- if not activatable --
|
|
// starts inline editing (this is normally done using F2 on
|
|
// Windows, but Space is common everywhere else, so use it too
|
|
// for greater cross-platform compatibility).
|
|
|
|
const wxDataViewItem item = GetItemByRow(m_currentRow);
|
|
|
|
// Activate the current activatable column. If not column is focused (typically
|
|
// because the user has full row selected), try to find the first activatable
|
|
// column (this would typically be a checkbox and we don't want to force the user
|
|
// to set focus on the checkbox column).
|
|
wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
|
|
|
|
if ( activatableCol )
|
|
{
|
|
const unsigned colIdx = activatableCol->GetModelColumn();
|
|
const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
|
|
|
|
wxDataViewRenderer *cell = activatableCol->GetRenderer();
|
|
cell->PrepareForItem(GetModel(), item, colIdx);
|
|
cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
|
|
|
|
break;
|
|
}
|
|
// else: fall through to WXK_F2 handling
|
|
wxFALLTHROUGH;
|
|
}
|
|
|
|
case WXK_F2:
|
|
if ( event.HasModifiers() )
|
|
{
|
|
event.Skip();
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if ( !m_selection.IsEmpty() )
|
|
{
|
|
// Mimic Windows 7 behavior: edit the item that has focus
|
|
// if it is selected and the first selected item if focus
|
|
// is out of selection.
|
|
unsigned sel;
|
|
if ( m_selection.IsSelected(m_currentRow) )
|
|
{
|
|
sel = m_currentRow;
|
|
}
|
|
else // Focused item is not selected.
|
|
{
|
|
wxSelectionStore::IterationState cookie;
|
|
sel = m_selection.GetFirstSelectedItem(cookie);
|
|
}
|
|
|
|
|
|
const wxDataViewItem item = GetItemByRow(sel);
|
|
|
|
// Edit the current column. If no column is focused
|
|
// (typically because the user has full row selected), try
|
|
// to find the first editable column.
|
|
wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
|
|
|
|
if ( editableCol )
|
|
GetOwner()->EditItem(item, editableCol);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WXK_UP:
|
|
OnVerticalNavigation(event, -1);
|
|
break;
|
|
|
|
case WXK_DOWN:
|
|
OnVerticalNavigation(event, +1);
|
|
break;
|
|
// Add the process for tree expanding/collapsing
|
|
case WXK_LEFT:
|
|
OnLeftKey(event);
|
|
break;
|
|
|
|
case WXK_RIGHT:
|
|
OnRightKey(event);
|
|
break;
|
|
|
|
case WXK_END:
|
|
OnVerticalNavigation(event, +(int)GetRowCount());
|
|
break;
|
|
|
|
case WXK_HOME:
|
|
OnVerticalNavigation(event, -(int)GetRowCount());
|
|
break;
|
|
|
|
case WXK_PAGEUP:
|
|
OnVerticalNavigation(event, -(GetCountPerPage() - 1));
|
|
break;
|
|
|
|
case WXK_PAGEDOWN:
|
|
OnVerticalNavigation(event, +(GetCountPerPage() - 1));
|
|
break;
|
|
|
|
default:
|
|
event.Skip();
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnVerticalNavigation(const wxKeyEvent& event, int delta)
|
|
{
|
|
// if there is no selection, we cannot move it anywhere
|
|
if (!HasCurrentRow() || IsEmpty())
|
|
return;
|
|
|
|
int newRow = (int)m_currentRow + delta;
|
|
|
|
// let's keep the new row inside the allowed range
|
|
if ( newRow < 0 )
|
|
newRow = 0;
|
|
|
|
const int rowCount = (int)GetRowCount();
|
|
if ( newRow >= rowCount )
|
|
newRow = rowCount - 1;
|
|
|
|
unsigned int oldCurrent = m_currentRow;
|
|
unsigned int newCurrent = (unsigned int)newRow;
|
|
|
|
if ( newCurrent == oldCurrent )
|
|
return;
|
|
|
|
// in single selection we just ignore Shift as we can't select several
|
|
// items anyhow
|
|
if ( event.ShiftDown() && !IsSingleSel() )
|
|
{
|
|
RefreshRow( oldCurrent );
|
|
|
|
ChangeCurrentRow( newCurrent );
|
|
|
|
// select all the items between the old and the new one
|
|
if ( oldCurrent > newCurrent )
|
|
{
|
|
newCurrent = oldCurrent;
|
|
oldCurrent = m_currentRow;
|
|
}
|
|
|
|
SelectRows(oldCurrent, newCurrent);
|
|
|
|
wxSelectionStore::IterationState cookie;
|
|
const unsigned firstSel = m_selection.GetFirstSelectedItem(cookie);
|
|
if ( firstSel != wxSelectionStore::NO_SELECTION )
|
|
SendSelectionChangedEvent(GetItemByRow(firstSel));
|
|
}
|
|
else // !shift
|
|
{
|
|
RefreshRow( oldCurrent );
|
|
|
|
// all previously selected items are unselected unless ctrl is held
|
|
if ( !event.ControlDown() )
|
|
UnselectAllRows();
|
|
|
|
ChangeCurrentRow( newCurrent );
|
|
|
|
if ( !event.ControlDown() )
|
|
{
|
|
SelectRow( m_currentRow, true );
|
|
SendSelectionChangedEvent(GetItemByRow(m_currentRow));
|
|
}
|
|
else
|
|
RefreshRow( m_currentRow );
|
|
}
|
|
|
|
GetOwner()->EnsureVisibleRowCol( m_currentRow, -1 );
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnLeftKey(wxKeyEvent& event)
|
|
{
|
|
if ( IsList() )
|
|
{
|
|
TryAdvanceCurrentColumn(NULL, event, /*forward=*/false);
|
|
}
|
|
else
|
|
{
|
|
wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
|
|
if ( !node )
|
|
return;
|
|
|
|
if ( TryAdvanceCurrentColumn(node, event, /*forward=*/false) )
|
|
return;
|
|
|
|
const bool dontCollapseNodes = event.GetKeyCode() == WXK_TAB;
|
|
if ( dontCollapseNodes )
|
|
{
|
|
m_currentCol = NULL;
|
|
// allow focus change
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
// Because TryAdvanceCurrentColumn() return false, we are at the first
|
|
// column or using whole-row selection. In this situation, we can use
|
|
// the standard TreeView handling of the left key.
|
|
if (node->HasChildren() && node->IsOpen())
|
|
{
|
|
Collapse(m_currentRow);
|
|
}
|
|
else
|
|
{
|
|
// if the node is already closed, we move the selection to its parent
|
|
wxDataViewTreeNode *parent_node = node->GetParent();
|
|
|
|
if (parent_node)
|
|
{
|
|
int parent = GetRowByItem( parent_node->GetItem() );
|
|
if ( parent >= 0 )
|
|
{
|
|
unsigned int row = m_currentRow;
|
|
SelectRow( row, false);
|
|
SelectRow( parent, true );
|
|
ChangeCurrentRow( parent );
|
|
GetOwner()->EnsureVisibleRowCol( parent, -1 );
|
|
SendSelectionChangedEvent( parent_node->GetItem() );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnRightKey(wxKeyEvent& event)
|
|
{
|
|
if ( IsList() )
|
|
{
|
|
TryAdvanceCurrentColumn(NULL, event, /*forward=*/true);
|
|
}
|
|
else
|
|
{
|
|
wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
|
|
if ( !node )
|
|
return;
|
|
|
|
if ( node->HasChildren() )
|
|
{
|
|
if ( !node->IsOpen() )
|
|
{
|
|
Expand( m_currentRow );
|
|
}
|
|
else
|
|
{
|
|
// if the node is already open, we move the selection to the first child
|
|
unsigned int row = m_currentRow;
|
|
SelectRow( row, false );
|
|
SelectRow( row + 1, true );
|
|
ChangeCurrentRow( row + 1 );
|
|
GetOwner()->EnsureVisibleRowCol( row + 1, -1 );
|
|
SendSelectionChangedEvent( GetItemByRow(row+1) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TryAdvanceCurrentColumn(node, event, /*forward=*/true);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, wxKeyEvent& event, bool forward)
|
|
{
|
|
if ( GetOwner()->GetColumnCount() == 0 )
|
|
return false;
|
|
|
|
if ( !m_useCellFocus )
|
|
return false;
|
|
|
|
const bool wrapAround = event.GetKeyCode() == WXK_TAB;
|
|
|
|
if ( node )
|
|
{
|
|
// navigation shouldn't work in branch nodes without other columns:
|
|
if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
|
|
return false;
|
|
}
|
|
|
|
if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
|
|
{
|
|
if ( forward )
|
|
{
|
|
m_currentCol = GetOwner()->GetColumnAt(0);
|
|
m_currentColSetByKeyboard = true;
|
|
RefreshRow(m_currentRow);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if ( !wrapAround )
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
|
|
|
|
if ( idx >= (int)GetOwner()->GetColumnCount() )
|
|
{
|
|
if ( !wrapAround )
|
|
return false;
|
|
|
|
if ( GetCurrentRow() < GetRowCount() - 1 )
|
|
{
|
|
// go to the first column of the next row:
|
|
idx = 0;
|
|
OnVerticalNavigation(wxKeyEvent()/*dummy*/, +1);
|
|
}
|
|
else
|
|
{
|
|
// allow focus change
|
|
event.Skip();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if ( idx < 0 && wrapAround )
|
|
{
|
|
if ( GetCurrentRow() > 0 )
|
|
{
|
|
// go to the last column of the previous row:
|
|
idx = (int)GetOwner()->GetColumnCount() - 1;
|
|
OnVerticalNavigation(wxKeyEvent()/*dummy*/, -1);
|
|
}
|
|
else
|
|
{
|
|
// allow focus change
|
|
event.Skip();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
GetOwner()->EnsureVisibleRowCol(m_currentRow, idx);
|
|
|
|
if ( idx < 1 )
|
|
{
|
|
// We are going to the left of the second column. Reset to whole-row
|
|
// focus (which means first column would be edited).
|
|
m_currentCol = NULL;
|
|
RefreshRow(m_currentRow);
|
|
return true;
|
|
}
|
|
|
|
m_currentCol = GetOwner()->GetColumnAt(idx);
|
|
m_currentColSetByKeyboard = true;
|
|
RefreshRow(m_currentRow);
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
|
|
{
|
|
if (event.GetEventType() == wxEVT_MOUSEWHEEL)
|
|
{
|
|
// let the base handle mouse wheel events.
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
int x = event.GetX();
|
|
int y = event.GetY();
|
|
m_owner->CalcUnscrolledPosition( x, y, &x, &y );
|
|
wxDataViewColumn *col = NULL;
|
|
|
|
int xpos = 0;
|
|
unsigned int cols = GetOwner()->GetColumnCount();
|
|
unsigned int i;
|
|
for (i = 0; i < cols; i++)
|
|
{
|
|
wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
|
|
if (c->IsHidden())
|
|
continue; // skip it!
|
|
|
|
if (x < xpos + c->GetWidth())
|
|
{
|
|
col = c;
|
|
break;
|
|
}
|
|
xpos += c->GetWidth();
|
|
}
|
|
|
|
wxDataViewModel* const model = GetModel();
|
|
|
|
const unsigned int current = GetLineAt( y );
|
|
const wxDataViewItem item = GetItemByRow(current);
|
|
|
|
if(event.ButtonDown())
|
|
{
|
|
// Not skipping button down events would prevent the system from
|
|
// setting focus to this window as most (all?) of them do by default,
|
|
// so skip it to enable default handling.
|
|
event.Skip();
|
|
|
|
// Also stop editing if any mouse button is pressed: this is not really
|
|
// necessary for the left button, as it would result in a focus loss
|
|
// that would make the editor close anyhow, but we do need to do it for
|
|
// the other ones and it does no harm to do it for the left one too.
|
|
FinishEditing();
|
|
}
|
|
|
|
// Handle right clicking here, before everything else as context menu
|
|
// events should be sent even when we click outside of any item, unlike all
|
|
// the other ones.
|
|
if (event.RightUp())
|
|
{
|
|
wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_CONTEXT_MENU, m_owner, col, item);
|
|
m_owner->ProcessWindowEvent(le);
|
|
return;
|
|
}
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
if (event.Dragging() || ((m_dragCount > 0) && event.Leaving()))
|
|
{
|
|
if (m_dragCount == 0)
|
|
{
|
|
// we have to report the raw, physical coords as we want to be
|
|
// able to call HitTest(event.m_pointDrag) from the user code to
|
|
// get the item being dragged
|
|
m_dragStart = event.GetPosition();
|
|
}
|
|
|
|
m_dragCount++;
|
|
if ((m_dragCount < 3) && (event.Leaving()))
|
|
m_dragCount = 3;
|
|
else if (m_dragCount != 3)
|
|
return;
|
|
|
|
if (event.LeftIsDown())
|
|
{
|
|
m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
|
|
&m_dragStart.x, &m_dragStart.y );
|
|
unsigned int drag_item_row = GetLineAt( m_dragStart.y );
|
|
wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
|
|
|
|
// Notify cell about drag
|
|
wxDataViewEvent evt(wxEVT_DATAVIEW_ITEM_BEGIN_DRAG, m_owner, itemDragged);
|
|
if (!m_owner->HandleWindowEvent( evt ))
|
|
return;
|
|
|
|
if (!evt.IsAllowed())
|
|
return;
|
|
|
|
wxDataObject *obj = evt.GetDataObject();
|
|
if (!obj)
|
|
return;
|
|
|
|
wxDataViewDropSource drag( this, drag_item_row );
|
|
drag.SetData( *obj );
|
|
/* wxDragResult res = */ drag.DoDragDrop(evt.GetDragFlags());
|
|
delete obj;
|
|
}
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
m_dragCount = 0;
|
|
}
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
// Check if we clicked outside the item area.
|
|
if ((current >= GetRowCount()) || !col)
|
|
{
|
|
// Follow Windows convention here: clicking either left or right (but
|
|
// not middle) button clears the existing selection.
|
|
if (m_owner && (event.LeftDown() || event.RightDown()))
|
|
{
|
|
if (!m_selection.IsEmpty())
|
|
{
|
|
m_owner->UnselectAll();
|
|
SendSelectionChangedEvent(wxDataViewItem());
|
|
}
|
|
}
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
wxDataViewRenderer *cell = col->GetRenderer();
|
|
wxDataViewColumn* const
|
|
expander = GetExpanderColumnOrFirstOne(GetOwner());
|
|
|
|
// Test whether the mouse is hovering over the expander (a.k.a tree "+"
|
|
// button) and also determine the offset of the real cell start, skipping
|
|
// the indentation and the expander itself.
|
|
bool hoverOverExpander = false;
|
|
int itemOffset = 0;
|
|
if ((!IsList()) && (expander == col))
|
|
{
|
|
wxDataViewTreeNode * node = GetTreeNodeByRow(current);
|
|
|
|
int indent = node->GetIndentLevel();
|
|
itemOffset = GetOwner()->GetIndent()*indent;
|
|
const int expWidth = wxRendererNative::Get().GetExpanderSize(this).GetWidth();
|
|
|
|
if ( node->HasChildren() )
|
|
{
|
|
// we make the rectangle we are looking in a bit bigger than the actual
|
|
// visual expander so the user can hit that little thing reliably
|
|
wxRect rect(xpos + itemOffset,
|
|
GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
|
|
expWidth, m_lineHeight);
|
|
|
|
if( rect.Contains(x, y) )
|
|
{
|
|
// So the mouse is over the expander
|
|
hoverOverExpander = true;
|
|
if (m_underMouse && m_underMouse != node)
|
|
{
|
|
// wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
|
|
RefreshRow(GetRowByItem(m_underMouse->GetItem()));
|
|
}
|
|
if (m_underMouse != node)
|
|
{
|
|
// wxLogMessage("Do the row: %d", current);
|
|
RefreshRow(current);
|
|
}
|
|
m_underMouse = node;
|
|
}
|
|
}
|
|
|
|
// Account for the expander as well, even if this item doesn't have it,
|
|
// its parent does so it still counts for the offset.
|
|
itemOffset += expWidth;
|
|
}
|
|
if (!hoverOverExpander)
|
|
{
|
|
if (m_underMouse != NULL)
|
|
{
|
|
// wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
|
|
RefreshRow(GetRowByItem(m_underMouse->GetItem()));
|
|
m_underMouse = NULL;
|
|
}
|
|
}
|
|
|
|
bool simulateClick = false;
|
|
|
|
if (event.ButtonDClick())
|
|
{
|
|
m_renameTimer->Stop();
|
|
m_lastOnSame = false;
|
|
}
|
|
|
|
bool ignore_other_columns =
|
|
((expander != col) &&
|
|
(model->IsContainer(item)) &&
|
|
(!model->HasContainerColumns(item)));
|
|
|
|
if (event.LeftDClick())
|
|
{
|
|
if ( !hoverOverExpander && (current == m_lineLastClicked) )
|
|
{
|
|
wxDataViewEvent le(wxEVT_DATAVIEW_ITEM_ACTIVATED, m_owner, col, item);
|
|
if ( m_owner->ProcessWindowEvent(le) )
|
|
{
|
|
// Item activation was handled from the user code.
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Either it was a double click over the expander, or the second click
|
|
// happened on another item than the first one or it was a bona fide
|
|
// double click which was unhandled. In all these cases we continue
|
|
// processing this event as a simple click, e.g. to select the item or
|
|
// activate the renderer.
|
|
simulateClick = true;
|
|
}
|
|
|
|
if (event.LeftUp() && !hoverOverExpander)
|
|
{
|
|
if (m_lineSelectSingleOnUp != (unsigned int)-1)
|
|
{
|
|
// select single line
|
|
if ( UnselectAllRows(m_lineSelectSingleOnUp) )
|
|
{
|
|
SelectRow( m_lineSelectSingleOnUp, true );
|
|
}
|
|
|
|
SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
|
|
}
|
|
|
|
// If the user click the expander, we do not do editing even if the column
|
|
// with expander are editable
|
|
if (m_lastOnSame && !ignore_other_columns)
|
|
{
|
|
if ((col == m_currentCol) && (current == m_currentRow) &&
|
|
IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
|
|
{
|
|
m_renameTimer->Start( 100, true );
|
|
}
|
|
}
|
|
|
|
m_lastOnSame = false;
|
|
m_lineSelectSingleOnUp = (unsigned int)-1;
|
|
}
|
|
else if(!event.LeftUp())
|
|
{
|
|
// This is necessary, because after a DnD operation in
|
|
// from and to ourself, the up event is swallowed by the
|
|
// DnD code. So on next non-up event (which means here and
|
|
// now) m_lineSelectSingleOnUp should be reset.
|
|
m_lineSelectSingleOnUp = (unsigned int)-1;
|
|
}
|
|
|
|
if (event.RightDown())
|
|
{
|
|
m_lineBeforeLastClicked = m_lineLastClicked;
|
|
m_lineLastClicked = current;
|
|
|
|
// If the item is already selected, do not update the selection.
|
|
// Multi-selections should not be cleared if a selected item is clicked.
|
|
if (!IsRowSelected(current))
|
|
{
|
|
UnselectAllRows();
|
|
|
|
const unsigned oldCurrent = m_currentRow;
|
|
ChangeCurrentRow(current);
|
|
SelectRow(m_currentRow,true);
|
|
RefreshRow(oldCurrent);
|
|
SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
|
|
}
|
|
}
|
|
else if (event.MiddleDown())
|
|
{
|
|
}
|
|
|
|
if((event.LeftDown() || simulateClick) && hoverOverExpander)
|
|
{
|
|
wxDataViewTreeNode* node = GetTreeNodeByRow(current);
|
|
|
|
// hoverOverExpander being true tells us that our node must be
|
|
// valid and have children.
|
|
// So we don't need any extra checks.
|
|
if( node->IsOpen() )
|
|
Collapse(current);
|
|
else
|
|
Expand(current);
|
|
}
|
|
else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
|
|
{
|
|
m_lineBeforeLastClicked = m_lineLastClicked;
|
|
m_lineLastClicked = current;
|
|
|
|
unsigned int oldCurrentRow = m_currentRow;
|
|
bool oldWasSelected = IsRowSelected(m_currentRow);
|
|
|
|
bool cmdModifierDown = event.CmdDown();
|
|
if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
|
|
{
|
|
if ( IsSingleSel() || !IsRowSelected(current) )
|
|
{
|
|
ChangeCurrentRow(current);
|
|
if ( UnselectAllRows(current) )
|
|
{
|
|
SelectRow(m_currentRow,true);
|
|
SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
|
|
}
|
|
}
|
|
else // multi sel & current is highlighted & no mod keys
|
|
{
|
|
m_lineSelectSingleOnUp = current;
|
|
ChangeCurrentRow(current); // change focus
|
|
}
|
|
}
|
|
else // multi sel & either ctrl or shift is down
|
|
{
|
|
if (cmdModifierDown)
|
|
{
|
|
ChangeCurrentRow(current);
|
|
ReverseRowSelection(m_currentRow);
|
|
SendSelectionChangedEvent(GetItemByRow(m_currentRow));
|
|
}
|
|
else if (event.ShiftDown())
|
|
{
|
|
ChangeCurrentRow(current);
|
|
|
|
unsigned int lineFrom = oldCurrentRow,
|
|
lineTo = current;
|
|
|
|
if ( lineFrom == static_cast<unsigned>(-1) )
|
|
{
|
|
// If we hadn't had any current row before, treat this as a
|
|
// simple click and select the new row only.
|
|
lineFrom = current;
|
|
}
|
|
|
|
if ( lineTo < lineFrom )
|
|
{
|
|
lineTo = lineFrom;
|
|
lineFrom = m_currentRow;
|
|
}
|
|
|
|
SelectRows(lineFrom, lineTo);
|
|
|
|
wxSelectionStore::IterationState cookie;
|
|
const unsigned firstSel = m_selection.GetFirstSelectedItem(cookie);
|
|
if ( firstSel != wxSelectionStore::NO_SELECTION )
|
|
SendSelectionChangedEvent(GetItemByRow(firstSel) );
|
|
}
|
|
else // !ctrl, !shift
|
|
{
|
|
// test in the enclosing if should make it impossible
|
|
wxFAIL_MSG( wxT("how did we get here?") );
|
|
}
|
|
}
|
|
|
|
if (m_currentRow != oldCurrentRow)
|
|
RefreshRow( oldCurrentRow );
|
|
|
|
wxDataViewColumn *oldCurrentCol = m_currentCol;
|
|
|
|
// Update selection here...
|
|
m_currentCol = col;
|
|
m_currentColSetByKeyboard = false;
|
|
|
|
// This flag is used to decide whether we should start editing the item
|
|
// label. We do it if the user clicks twice (but not double clicks,
|
|
// i.e. simulateClick is false) on the same item but not if the click
|
|
// was used for something else already, e.g. selecting the item (so it
|
|
// must have been already selected) or giving the focus to the control
|
|
// (so it must have had focus already).
|
|
m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
|
|
(current == oldCurrentRow)) && oldWasSelected &&
|
|
HasFocus();
|
|
|
|
// Call ActivateCell() after everything else as under GTK+
|
|
if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
|
|
{
|
|
// notify cell about click
|
|
|
|
wxRect cell_rect( xpos + itemOffset,
|
|
GetLineStart( current ),
|
|
col->GetWidth() - itemOffset,
|
|
GetLineHeight( current ) );
|
|
|
|
// Note that PrepareForItem() should be called after GetLineStart()
|
|
// call in cell_rect initialization above as GetLineStart() calls
|
|
// PrepareForItem() for other items from inside it.
|
|
cell->PrepareForItem(model, item, col->GetModelColumn());
|
|
|
|
// Report position relative to the cell's custom area, i.e.
|
|
// not the entire space as given by the control but the one
|
|
// used by the renderer after calculation of alignment etc.
|
|
//
|
|
// Notice that this results in negative coordinates when clicking
|
|
// in the upper left corner of a centre-aligned cell which doesn't
|
|
// fill its column entirely so this is somewhat surprising, but we
|
|
// do it like this for compatibility with the native GTK+ version,
|
|
// see #12270.
|
|
|
|
// adjust the rectangle ourselves to account for the alignment
|
|
const int align = cell->GetEffectiveAlignment();
|
|
|
|
wxRect rectItem = cell_rect;
|
|
const wxSize size = cell->GetSize();
|
|
if ( size.x >= 0 && size.x < cell_rect.width )
|
|
{
|
|
if ( align & wxALIGN_CENTER_HORIZONTAL )
|
|
rectItem.x += (cell_rect.width - size.x)/2;
|
|
else if ( align & wxALIGN_RIGHT )
|
|
rectItem.x += cell_rect.width - size.x;
|
|
// else: wxALIGN_LEFT is the default
|
|
}
|
|
|
|
if ( size.y >= 0 && size.y < cell_rect.height )
|
|
{
|
|
if ( align & wxALIGN_CENTER_VERTICAL )
|
|
rectItem.y += (cell_rect.height - size.y)/2;
|
|
else if ( align & wxALIGN_BOTTOM )
|
|
rectItem.y += cell_rect.height - size.y;
|
|
// else: wxALIGN_TOP is the default
|
|
}
|
|
|
|
wxMouseEvent event2(event);
|
|
event2.m_x -= rectItem.x;
|
|
event2.m_y -= rectItem.y;
|
|
m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
|
|
|
|
/* ignore ret */ cell->WXActivateCell
|
|
(
|
|
cell_rect,
|
|
model,
|
|
item,
|
|
col->GetModelColumn(),
|
|
&event2
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
|
|
{
|
|
m_hasFocus = true;
|
|
|
|
// Make the control usable from keyboard once it gets focus by ensuring
|
|
// that it has a current row, if at all possible.
|
|
if ( !HasCurrentRow() && !IsEmpty() )
|
|
{
|
|
ChangeCurrentRow(0);
|
|
}
|
|
|
|
if (HasCurrentRow())
|
|
{
|
|
Refresh();
|
|
}
|
|
#if wxUSE_ACCESSIBILITY
|
|
else
|
|
{
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_FOCUS, m_owner, wxOBJID_CLIENT, wxACC_SELF);
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
event.Skip();
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
|
|
{
|
|
m_hasFocus = false;
|
|
|
|
if (HasCurrentRow())
|
|
Refresh();
|
|
|
|
event.Skip();
|
|
}
|
|
|
|
void wxDataViewMainWindow::OnColumnsCountChanged()
|
|
{
|
|
int editableCount = 0;
|
|
|
|
const unsigned cols = GetOwner()->GetColumnCount();
|
|
for ( unsigned i = 0; i < cols; i++ )
|
|
{
|
|
wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
|
|
if ( c->IsHidden() )
|
|
continue;
|
|
if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
|
|
editableCount++;
|
|
}
|
|
|
|
m_useCellFocus = (editableCount > 0);
|
|
|
|
UpdateDisplay();
|
|
}
|
|
|
|
void wxDataViewMainWindow::UpdateColumnSizes()
|
|
{
|
|
int colsCount = GetOwner()->GetColumnCount();
|
|
if ( !colsCount )
|
|
return;
|
|
|
|
wxDataViewCtrl *owner = GetOwner();
|
|
|
|
int fullWinWidth = GetClientSize().x;
|
|
|
|
// Find the last shown column: we shouldn't bother to resize the columns
|
|
// that are hidden anyhow.
|
|
int lastColIndex = -1;
|
|
wxDataViewColumn *lastCol wxDUMMY_INITIALIZE(NULL);
|
|
for ( int colIndex = colsCount - 1; colIndex >= 0; --colIndex )
|
|
{
|
|
lastCol = owner->GetColumnAt(colIndex);
|
|
if ( !lastCol->IsHidden() )
|
|
{
|
|
lastColIndex = colIndex;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( lastColIndex == -1 )
|
|
{
|
|
// All columns are hidden.
|
|
return;
|
|
}
|
|
|
|
int lastColX = 0;
|
|
for ( int colIndex = 0; colIndex < lastColIndex; ++colIndex )
|
|
{
|
|
const wxDataViewColumn *c = owner->GetColumnAt(colIndex);
|
|
|
|
if ( !c->IsHidden() )
|
|
lastColX += c->GetWidth();
|
|
}
|
|
|
|
int colswidth = lastColX + lastCol->GetWidth();
|
|
if ( lastColX < fullWinWidth )
|
|
{
|
|
const int availableWidth = fullWinWidth - lastColX;
|
|
|
|
// Never make the column automatically smaller than the last width it
|
|
// was explicitly given nor its minimum width.
|
|
if ( availableWidth <= wxMax(lastCol->GetMinWidth(),
|
|
lastCol->WXGetManuallySetWidth()) )
|
|
{
|
|
return;
|
|
}
|
|
|
|
lastCol->WXUpdateWidth(availableWidth);
|
|
|
|
// All columns fit on screen, so we don't need horizontal scrolling.
|
|
// To prevent flickering scrollbar when resizing the window to be
|
|
// narrower, force-set the virtual width to 0 here. It will eventually
|
|
// be corrected at idle time.
|
|
SetVirtualSize(0, m_virtualSize.y);
|
|
|
|
RefreshRect(wxRect(lastColX, 0, availableWidth, GetSize().y));
|
|
}
|
|
else
|
|
{
|
|
// else: don't bother, the columns won't fit anyway
|
|
SetVirtualSize(colswidth, m_virtualSize.y);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewCtrl
|
|
//-----------------------------------------------------------------------------
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase);
|
|
wxBEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
|
|
EVT_SIZE(wxDataViewCtrl::OnSize)
|
|
EVT_DPI_CHANGED(wxDataViewCtrl::OnDPIChanged)
|
|
wxEND_EVENT_TABLE()
|
|
|
|
wxDataViewCtrl::~wxDataViewCtrl()
|
|
{
|
|
if (m_notifier)
|
|
GetModel()->RemoveNotifier( m_notifier );
|
|
|
|
DoClearColumns();
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
SetAccessible(NULL);
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_DESTROY, this, wxOBJID_CLIENT, wxACC_SELF);
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
}
|
|
|
|
void wxDataViewCtrl::Init()
|
|
{
|
|
m_notifier = NULL;
|
|
|
|
m_headerArea = NULL;
|
|
m_clientArea = NULL;
|
|
|
|
m_colsDirty = false;
|
|
|
|
m_allowMultiColumnSort = false;
|
|
}
|
|
|
|
bool wxDataViewCtrl::Create(wxWindow *parent,
|
|
wxWindowID id,
|
|
const wxPoint& pos,
|
|
const wxSize& size,
|
|
long style,
|
|
const wxValidator& validator,
|
|
const wxString& name)
|
|
{
|
|
// if ( (style & wxBORDER_MASK) == 0)
|
|
// style |= wxBORDER_SUNKEN;
|
|
|
|
Init();
|
|
|
|
if (!wxControl::Create( parent, id, pos, size,
|
|
style | wxScrolledWindowStyle, validator, name))
|
|
return false;
|
|
|
|
SetInitialSize(size);
|
|
|
|
#ifdef __WXMAC__
|
|
MacSetClipChildren( true );
|
|
#endif
|
|
|
|
m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
|
|
|
|
// We use the cursor keys for moving the selection, not scrolling, so call
|
|
// this method to ensure wxScrollHelperEvtHandler doesn't catch all
|
|
// keyboard events forwarded to us from wxListMainWindow.
|
|
DisableKeyboardScrolling();
|
|
|
|
if (HasFlag(wxDV_NO_HEADER))
|
|
m_headerArea = NULL;
|
|
else
|
|
m_headerArea = new wxDataViewHeaderWindow(this);
|
|
|
|
SetTargetWindow( m_clientArea );
|
|
|
|
wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
|
|
if (m_headerArea)
|
|
sizer->Add( m_headerArea, 0, wxGROW );
|
|
sizer->Add( m_clientArea, 1, wxGROW );
|
|
SetSizer( sizer );
|
|
|
|
EnableSystemThemeByDefault();
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_CREATE, this, wxOBJID_CLIENT, wxACC_SELF);
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
return true;
|
|
}
|
|
|
|
wxBorder wxDataViewCtrl::GetDefaultBorder() const
|
|
{
|
|
return wxBORDER_THEME;
|
|
}
|
|
|
|
wxHeaderCtrl* wxDataViewCtrl::GenericGetHeader() const
|
|
{
|
|
return m_headerArea;
|
|
}
|
|
|
|
#ifdef __WXMSW__
|
|
WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
|
|
WXWPARAM wParam,
|
|
WXLPARAM lParam)
|
|
{
|
|
WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
|
|
|
|
// we need to process arrows ourselves for scrolling
|
|
if ( nMsg == WM_GETDLGCODE )
|
|
{
|
|
rc |= DLGC_WANTARROWS;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
#endif
|
|
|
|
wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
|
|
{
|
|
wxSize newsize = size;
|
|
if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
|
|
newsize.y -= m_headerArea->GetSize().y;
|
|
|
|
return newsize;
|
|
}
|
|
|
|
void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
|
|
{
|
|
// We need to override OnSize so that our scrolled
|
|
// window a) does call Layout() to use sizers for
|
|
// positioning the controls but b) does not query
|
|
// the sizer for their size and use that for setting
|
|
// the scrollable area as set that ourselves by
|
|
// calling SetScrollbar() further down.
|
|
|
|
Layout();
|
|
|
|
// Update the last column size to take all the available space. Note that
|
|
// this must be done after calling Layout() to update m_clientArea size.
|
|
if ( m_clientArea )
|
|
m_clientArea->UpdateColumnSizes();
|
|
|
|
AdjustScrollbars();
|
|
|
|
// We must redraw the headers if their height changed. Normally this
|
|
// shouldn't happen as the control shouldn't let itself be resized beneath
|
|
// its minimal height but avoid the display artefacts that appear if it
|
|
// does happen, e.g. because there is really not enough vertical space.
|
|
if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
|
|
m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
|
|
{
|
|
m_headerArea->Refresh();
|
|
}
|
|
}
|
|
|
|
void wxDataViewCtrl::OnDPIChanged(wxDPIChangedEvent& event)
|
|
{
|
|
if ( m_clientArea )
|
|
{
|
|
m_clientArea->ClearRowHeightCache();
|
|
m_clientArea->SetRowHeight(m_clientArea->GetDefaultRowHeight());
|
|
}
|
|
|
|
for ( unsigned i = 0; i < m_cols.size(); ++i )
|
|
{
|
|
int minWidth = m_cols[i]->GetMinWidth();
|
|
if ( minWidth > 0 )
|
|
minWidth = minWidth * event.GetNewDPI().x / event.GetOldDPI().x;
|
|
m_cols[i]->SetMinWidth(minWidth);
|
|
|
|
int width = m_cols[i]->WXGetManuallySetWidth();
|
|
if ( width > 0 )
|
|
width = width * event.GetNewDPI().x / event.GetOldDPI().x;
|
|
m_cols[i]->SetWidth(width);
|
|
}
|
|
}
|
|
|
|
void wxDataViewCtrl::SetFocus()
|
|
{
|
|
if (m_clientArea)
|
|
m_clientArea->SetFocus();
|
|
}
|
|
|
|
bool wxDataViewCtrl::SetFont(const wxFont & font)
|
|
{
|
|
if (!wxControl::SetFont(font))
|
|
return false;
|
|
|
|
if (m_headerArea)
|
|
m_headerArea->SetFont(font);
|
|
|
|
if (m_clientArea)
|
|
{
|
|
m_clientArea->SetFont(font);
|
|
m_clientArea->SetRowHeight(m_clientArea->GetDefaultRowHeight());
|
|
}
|
|
|
|
if (m_headerArea || m_clientArea)
|
|
{
|
|
InvalidateColBestWidths();
|
|
Layout();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
bool wxDataViewCtrl::Show(bool show)
|
|
{
|
|
bool changed = wxControl::Show(show);
|
|
if ( changed )
|
|
{
|
|
wxAccessible::NotifyEvent(show ? wxACC_EVENT_OBJECT_SHOW : wxACC_EVENT_OBJECT_HIDE,
|
|
this, wxOBJID_CLIENT, wxACC_SELF);
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
void wxDataViewCtrl::SetName(const wxString &name)
|
|
{
|
|
wxControl::SetName(name);
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_NAMECHANGE, this, wxOBJID_CLIENT, wxACC_SELF);
|
|
}
|
|
|
|
bool wxDataViewCtrl::Reparent(wxWindowBase *newParent)
|
|
{
|
|
bool changed = wxControl::Reparent(newParent);
|
|
if ( changed )
|
|
{
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_PARENTCHANGE, this, wxOBJID_CLIENT, wxACC_SELF);
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
#endif // wxUSE_ACCESIBILITY
|
|
|
|
bool wxDataViewCtrl::Enable(bool enable)
|
|
{
|
|
bool changed = wxControl::Enable(enable);
|
|
if ( changed )
|
|
{
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxAccessible::NotifyEvent(wxACC_EVENT_OBJECT_STATECHANGE, this, wxOBJID_CLIENT, wxACC_SELF);
|
|
#endif // wxUSE_ACCESIBILITY
|
|
Refresh();
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
|
|
{
|
|
if (!wxDataViewCtrlBase::AssociateModel( model ))
|
|
return false;
|
|
|
|
if (model)
|
|
{
|
|
m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
|
|
model->AddNotifier( m_notifier );
|
|
}
|
|
else
|
|
{
|
|
// Our previous notifier has either been already deleted when the
|
|
// previous model was DecRef()'d in the base class AssociateModel() or
|
|
// is not associated with us any more because if the model is still
|
|
// alive, it's not used by this control.
|
|
m_notifier = NULL;
|
|
}
|
|
|
|
m_clientArea->DestroyTree();
|
|
|
|
if (model)
|
|
{
|
|
m_clientArea->BuildTree(model);
|
|
}
|
|
|
|
m_clientArea->UpdateDisplay();
|
|
|
|
return true;
|
|
}
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
|
|
bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
|
|
{
|
|
return m_clientArea->EnableDragSource( format );
|
|
}
|
|
|
|
bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
|
|
{
|
|
return m_clientArea->EnableDropTarget( format );
|
|
}
|
|
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
|
|
{
|
|
if (!wxDataViewCtrlBase::AppendColumn(col))
|
|
return false;
|
|
|
|
m_cols.push_back( col );
|
|
m_colsBestWidths.push_back(CachedColWidthInfo());
|
|
OnColumnsCountChanged();
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
|
|
{
|
|
if (!wxDataViewCtrlBase::PrependColumn(col))
|
|
return false;
|
|
|
|
m_cols.insert(m_cols.begin(), col);
|
|
m_colsBestWidths.insert(m_colsBestWidths.begin(), CachedColWidthInfo());
|
|
OnColumnsCountChanged();
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
|
|
{
|
|
if (!wxDataViewCtrlBase::InsertColumn(pos,col))
|
|
return false;
|
|
|
|
m_cols.insert(m_cols.begin() + pos, col);
|
|
m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, CachedColWidthInfo());
|
|
OnColumnsCountChanged();
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewCtrl::OnColumnResized()
|
|
{
|
|
m_clientArea->UpdateDisplay();
|
|
}
|
|
|
|
void wxDataViewCtrl::OnColumnWidthChange(unsigned int idx)
|
|
{
|
|
InvalidateColBestWidth(idx);
|
|
|
|
OnColumnChange(idx);
|
|
}
|
|
|
|
void wxDataViewCtrl::OnColumnChange(unsigned int idx)
|
|
{
|
|
if ( m_headerArea )
|
|
m_headerArea->UpdateColumn(idx);
|
|
|
|
m_clientArea->UpdateDisplay();
|
|
}
|
|
|
|
void wxDataViewCtrl::OnColumnsCountChanged()
|
|
{
|
|
if (m_headerArea)
|
|
m_headerArea->SetColumnCount(GetColumnCount());
|
|
|
|
m_clientArea->OnColumnsCountChanged();
|
|
}
|
|
|
|
void wxDataViewCtrl::DoSetExpanderColumn()
|
|
{
|
|
wxDataViewColumn* column = GetExpanderColumn();
|
|
if ( column )
|
|
{
|
|
int index = GetColumnIndex(column);
|
|
if ( index != wxNOT_FOUND )
|
|
InvalidateColBestWidth(index);
|
|
}
|
|
|
|
m_clientArea->UpdateDisplay();
|
|
}
|
|
|
|
void wxDataViewCtrl::DoSetIndent()
|
|
{
|
|
m_clientArea->UpdateDisplay();
|
|
}
|
|
|
|
unsigned int wxDataViewCtrl::GetColumnCount() const
|
|
{
|
|
return m_cols.size();
|
|
}
|
|
|
|
bool wxDataViewCtrl::SetRowHeight( int lineHeight )
|
|
{
|
|
if ( !m_clientArea )
|
|
return false;
|
|
|
|
m_clientArea->SetRowHeight(lineHeight);
|
|
|
|
return true;
|
|
}
|
|
|
|
wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
|
|
{
|
|
return m_cols[idx];
|
|
}
|
|
|
|
wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
|
|
{
|
|
// columns can't be reordered if there is no header window which allows
|
|
// to do this
|
|
const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
|
|
: pos;
|
|
|
|
return GetColumn(idx);
|
|
}
|
|
|
|
int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
|
|
{
|
|
const unsigned count = m_cols.size();
|
|
for ( unsigned n = 0; n < count; n++ )
|
|
{
|
|
if ( m_cols[n] == column )
|
|
return n;
|
|
}
|
|
|
|
return wxNOT_FOUND;
|
|
}
|
|
|
|
int wxDataViewCtrl::GetModelColumnIndex( unsigned int model_column ) const
|
|
{
|
|
const int count = GetColumnCount();
|
|
for ( int index = 0; index < count; index++ )
|
|
{
|
|
wxDataViewColumn* column = GetColumn(index);
|
|
if ( column->GetModelColumn() == model_column )
|
|
return index;
|
|
}
|
|
return wxNOT_FOUND;
|
|
}
|
|
|
|
class wxDataViewMaxWidthCalculator : public wxMaxWidthCalculatorBase
|
|
{
|
|
public:
|
|
wxDataViewMaxWidthCalculator(const wxDataViewCtrl *dvc,
|
|
wxDataViewMainWindow *clientArea,
|
|
wxDataViewRenderer *renderer,
|
|
const wxDataViewModel *model,
|
|
size_t model_column,
|
|
int expanderSize)
|
|
: wxMaxWidthCalculatorBase(model_column),
|
|
m_dvc(dvc),
|
|
m_clientArea(clientArea),
|
|
m_renderer(renderer),
|
|
m_model(model),
|
|
m_expanderSize(expanderSize)
|
|
{
|
|
int index = dvc->GetModelColumnIndex( model_column );
|
|
wxDataViewColumn* column = index == wxNOT_FOUND ? NULL : dvc->GetColumn(index);
|
|
m_isExpanderCol =
|
|
!clientArea->IsList() &&
|
|
(column == 0 ||
|
|
GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == column );
|
|
}
|
|
|
|
virtual void UpdateWithRow(int row) wxOVERRIDE
|
|
{
|
|
int indent = 0;
|
|
wxDataViewItem item;
|
|
|
|
if ( m_isExpanderCol )
|
|
{
|
|
wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
|
|
item = node->GetItem();
|
|
indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
|
|
}
|
|
else
|
|
{
|
|
item = m_clientArea->GetItemByRow(row);
|
|
}
|
|
|
|
m_renderer->PrepareForItem(m_model, item, GetColumn());
|
|
UpdateWithWidth(m_renderer->GetSize().x + indent);
|
|
}
|
|
|
|
private:
|
|
const wxDataViewCtrl *m_dvc;
|
|
wxDataViewMainWindow *m_clientArea;
|
|
wxDataViewRenderer *m_renderer;
|
|
const wxDataViewModel *m_model;
|
|
bool m_isExpanderCol;
|
|
int m_expanderSize;
|
|
};
|
|
|
|
|
|
unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
|
|
{
|
|
if ( m_colsBestWidths[idx].width != 0 )
|
|
return m_colsBestWidths[idx].width;
|
|
|
|
const int count = m_clientArea->GetRowCount();
|
|
wxDataViewColumn *column = GetColumn(idx);
|
|
wxDataViewRenderer *renderer =
|
|
const_cast<wxDataViewRenderer*>(column->GetRenderer());
|
|
|
|
wxDataViewMaxWidthCalculator calculator(this, m_clientArea, renderer,
|
|
GetModel(), column->GetModelColumn(),
|
|
m_clientArea->GetRowHeight());
|
|
|
|
calculator.UpdateWithWidth(column->GetMinWidth());
|
|
|
|
if ( m_headerArea )
|
|
calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column));
|
|
|
|
const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
|
|
calculator.ComputeBestColumnWidth(count,
|
|
m_clientArea->GetLineAt(origin.y),
|
|
m_clientArea->GetLineAt(origin.y + GetClientSize().y));
|
|
|
|
int max_width = calculator.GetMaxWidth();
|
|
if ( max_width > 0 )
|
|
max_width += 2 * PADDING_RIGHTLEFT;
|
|
|
|
const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx].width = max_width;
|
|
return max_width;
|
|
}
|
|
|
|
void wxDataViewCtrl::ColumnMoved(wxDataViewColumn *col, unsigned int new_pos)
|
|
{
|
|
// do _not_ reorder m_cols elements here, they should always be in the
|
|
// order in which columns were added, we only display the columns in
|
|
// different order
|
|
m_clientArea->UpdateDisplay();
|
|
|
|
wxDataViewEvent event(wxEVT_DATAVIEW_COLUMN_REORDERED, this, col);
|
|
event.SetColumn(new_pos);
|
|
ProcessWindowEvent(event);
|
|
}
|
|
|
|
bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
|
|
{
|
|
const int idx = GetColumnIndex(column);
|
|
if ( idx == wxNOT_FOUND )
|
|
return false;
|
|
|
|
m_colsBestWidths.erase(m_colsBestWidths.begin() + idx);
|
|
m_cols.erase(m_cols.begin() + idx);
|
|
|
|
if ( m_clientArea->GetCurrentColumn() == column )
|
|
m_clientArea->ClearCurrentColumn();
|
|
|
|
OnColumnsCountChanged();
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewCtrl::DoClearColumns()
|
|
{
|
|
typedef wxVector<wxDataViewColumn*>::const_iterator citer;
|
|
for ( citer it = m_cols.begin(); it != m_cols.end(); ++it )
|
|
delete *it;
|
|
}
|
|
|
|
bool wxDataViewCtrl::ClearColumns()
|
|
{
|
|
SetExpanderColumn(NULL);
|
|
|
|
DoClearColumns();
|
|
|
|
m_cols.clear();
|
|
m_sortingColumnIdxs.clear();
|
|
m_colsBestWidths.clear();
|
|
|
|
m_clientArea->ClearCurrentColumn();
|
|
|
|
OnColumnsCountChanged();
|
|
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewCtrl::InvalidateColBestWidth(int idx)
|
|
{
|
|
m_colsBestWidths[idx].width = 0;
|
|
m_colsBestWidths[idx].dirty = true;
|
|
m_colsDirty = true;
|
|
}
|
|
|
|
void wxDataViewCtrl::InvalidateColBestWidths()
|
|
{
|
|
// mark all columns as dirty:
|
|
m_colsBestWidths.clear();
|
|
m_colsBestWidths.resize(m_cols.size());
|
|
m_colsDirty = true;
|
|
}
|
|
|
|
void wxDataViewCtrl::UpdateColWidths()
|
|
{
|
|
m_colsDirty = false;
|
|
|
|
if ( !m_headerArea )
|
|
return;
|
|
|
|
const unsigned len = m_colsBestWidths.size();
|
|
for ( unsigned i = 0; i < len; i++ )
|
|
{
|
|
// Note that we have to have an explicit 'dirty' flag here instead of
|
|
// checking if the width==0, as is done in GetBestColumnWidth().
|
|
//
|
|
// Testing width==0 wouldn't work correctly if some code called
|
|
// GetWidth() after col. width invalidation but before
|
|
// wxDataViewCtrl::UpdateColWidths() was called at idle time. This
|
|
// would result in the header's column width getting out of sync with
|
|
// the control itself.
|
|
if ( m_colsBestWidths[i].dirty )
|
|
{
|
|
m_headerArea->UpdateColumn(i);
|
|
m_colsBestWidths[i].dirty = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxDataViewCtrl::OnInternalIdle()
|
|
{
|
|
wxDataViewCtrlBase::OnInternalIdle();
|
|
|
|
if ( m_colsDirty )
|
|
UpdateColWidths();
|
|
}
|
|
|
|
int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
|
|
{
|
|
unsigned int len = GetColumnCount();
|
|
for ( unsigned int i = 0; i < len; i++ )
|
|
{
|
|
wxDataViewColumn * col = GetColumnAt(i);
|
|
if (column==col)
|
|
return i;
|
|
}
|
|
|
|
return wxNOT_FOUND;
|
|
}
|
|
|
|
wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
|
|
{
|
|
if ( m_sortingColumnIdxs.empty() )
|
|
return NULL;
|
|
|
|
return GetColumn(m_sortingColumnIdxs.front());
|
|
}
|
|
|
|
wxVector<wxDataViewColumn *> wxDataViewCtrl::GetSortingColumns() const
|
|
{
|
|
wxVector<wxDataViewColumn *> out;
|
|
|
|
for ( wxVector<int>::const_iterator it = m_sortingColumnIdxs.begin(),
|
|
end = m_sortingColumnIdxs.end();
|
|
it != end;
|
|
++it )
|
|
{
|
|
out.push_back(GetColumn(*it));
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
|
|
{
|
|
return GetItemByRow(m_clientArea->GetCurrentRow());
|
|
}
|
|
|
|
void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
|
|
{
|
|
const int row = m_clientArea->GetRowByItem(item);
|
|
|
|
const unsigned oldCurrent = m_clientArea->GetCurrentRow();
|
|
if ( static_cast<unsigned>(row) != oldCurrent )
|
|
{
|
|
m_clientArea->ChangeCurrentRow(row);
|
|
m_clientArea->RefreshRow(oldCurrent);
|
|
m_clientArea->RefreshRow(row);
|
|
}
|
|
}
|
|
|
|
wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
|
|
{
|
|
return m_clientArea->GetCurrentColumn();
|
|
}
|
|
|
|
int wxDataViewCtrl::GetSelectedItemsCount() const
|
|
{
|
|
return m_clientArea->GetSelections().GetSelectedCount();
|
|
}
|
|
|
|
wxDataViewItem wxDataViewCtrl::GetTopItem() const
|
|
{
|
|
return m_clientArea->GetTopItem();
|
|
}
|
|
|
|
int wxDataViewCtrl::GetCountPerPage() const
|
|
{
|
|
return m_clientArea->GetCountPerPage();
|
|
}
|
|
|
|
int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
|
|
{
|
|
sel.Empty();
|
|
const wxSelectionStore& selections = m_clientArea->GetSelections();
|
|
|
|
wxSelectionStore::IterationState cookie;
|
|
for ( unsigned row = selections.GetFirstSelectedItem(cookie);
|
|
row != wxSelectionStore::NO_SELECTION;
|
|
row = selections.GetNextSelectedItem(cookie) )
|
|
{
|
|
wxDataViewItem item = m_clientArea->GetItemByRow(row);
|
|
if ( item.IsOk() )
|
|
{
|
|
sel.Add(item);
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( "invalid item in selection - bad internal state" );
|
|
}
|
|
}
|
|
|
|
return sel.size();
|
|
}
|
|
|
|
void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
|
|
{
|
|
m_clientArea->ClearSelection();
|
|
|
|
if ( sel.empty() )
|
|
return;
|
|
|
|
wxDataViewItem last_parent;
|
|
|
|
for ( size_t i = 0; i < sel.size(); i++ )
|
|
{
|
|
wxDataViewItem item = sel[i];
|
|
wxDataViewItem parent = GetModel()->GetParent( item );
|
|
if (parent)
|
|
{
|
|
if (parent != last_parent)
|
|
ExpandAncestors(item);
|
|
}
|
|
|
|
last_parent = parent;
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if( row >= 0 )
|
|
m_clientArea->SelectRow(static_cast<unsigned int>(row), true);
|
|
}
|
|
|
|
// Also make the last item as current item
|
|
DoSetCurrentItem(sel.Last());
|
|
}
|
|
|
|
void wxDataViewCtrl::Select( const wxDataViewItem & item )
|
|
{
|
|
ExpandAncestors( item );
|
|
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if( row >= 0 )
|
|
{
|
|
// Unselect all rows before select another in the single select mode
|
|
if (m_clientArea->IsSingleSel())
|
|
m_clientArea->UnselectAllRows();
|
|
|
|
m_clientArea->SelectRow(row, true);
|
|
|
|
// Also set focus to the selected item
|
|
m_clientArea->ChangeCurrentRow( row );
|
|
}
|
|
}
|
|
|
|
void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
|
|
{
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if( row >= 0 )
|
|
m_clientArea->SelectRow(row, false);
|
|
}
|
|
|
|
bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
|
|
{
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if( row >= 0 )
|
|
{
|
|
return m_clientArea->IsRowSelected(row);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool wxDataViewCtrl::SetHeaderAttr(const wxItemAttr& attr)
|
|
{
|
|
if ( !m_headerArea )
|
|
return false;
|
|
|
|
// Call all functions unconditionally to reset the previously set
|
|
// attributes, if any.
|
|
m_headerArea->SetForegroundColour(attr.GetTextColour());
|
|
m_headerArea->SetBackgroundColour(attr.GetBackgroundColour());
|
|
m_headerArea->SetFont(attr.GetFont());
|
|
|
|
// If the font has changed, the size of the header might need to be
|
|
// updated.
|
|
Layout();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour)
|
|
{
|
|
m_alternateRowColour = colour;
|
|
return true;
|
|
}
|
|
|
|
void wxDataViewCtrl::SelectAll()
|
|
{
|
|
m_clientArea->SelectAllRows();
|
|
}
|
|
|
|
void wxDataViewCtrl::UnselectAll()
|
|
{
|
|
m_clientArea->UnselectAllRows();
|
|
}
|
|
|
|
void wxDataViewCtrl::EnsureVisibleRowCol( int row, int column )
|
|
{
|
|
if( row < 0 )
|
|
row = 0;
|
|
if( row > (int) m_clientArea->GetRowCount() )
|
|
row = m_clientArea->GetRowCount();
|
|
|
|
int first = m_clientArea->GetFirstVisibleRow();
|
|
int last = m_clientArea->GetLastFullyVisibleRow();
|
|
if( row < first )
|
|
m_clientArea->ScrollTo( row, column );
|
|
else if( row > last )
|
|
m_clientArea->ScrollTo( row - last + first, column );
|
|
else
|
|
m_clientArea->ScrollTo( first, column );
|
|
}
|
|
|
|
void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
|
|
{
|
|
ExpandAncestors( item );
|
|
|
|
m_clientArea->RecalculateDisplay();
|
|
|
|
int row = m_clientArea->GetRowByItem(item);
|
|
if( row >= 0 )
|
|
{
|
|
if( column == NULL )
|
|
EnsureVisibleRowCol(row, -1);
|
|
else
|
|
EnsureVisibleRowCol( row, GetColumnIndex(column) );
|
|
}
|
|
|
|
}
|
|
|
|
void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
|
|
wxDataViewColumn* &column ) const
|
|
{
|
|
// Convert from wxDataViewCtrl coordinates to wxDataViewMainWindow coordinates.
|
|
// (They can be different due to the presence of the header.).
|
|
const wxPoint clientPt = m_clientArea->ScreenToClient(ClientToScreen(point));
|
|
m_clientArea->HitTest(clientPt, item, column);
|
|
}
|
|
|
|
wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
|
|
const wxDataViewColumn* column ) const
|
|
{
|
|
// Convert position from the main window coordinates to the control coordinates.
|
|
// (They can be different due to the presence of the header.).
|
|
wxRect r = m_clientArea->GetItemRect(item, column);
|
|
if ( r.width || r.height )
|
|
{
|
|
const wxPoint ctrlPos = ScreenToClient(m_clientArea->ClientToScreen(r.GetPosition()));
|
|
r.SetPosition(ctrlPos);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
|
|
{
|
|
return m_clientArea->GetItemByRow( row );
|
|
}
|
|
|
|
int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
|
|
{
|
|
return m_clientArea->GetRowByItem( item );
|
|
}
|
|
|
|
void wxDataViewCtrl::DoExpand( const wxDataViewItem & item )
|
|
{
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if (row != -1)
|
|
m_clientArea->Expand(row);
|
|
}
|
|
|
|
void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
|
|
{
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if (row != -1)
|
|
m_clientArea->Collapse(row);
|
|
}
|
|
|
|
bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
|
|
{
|
|
int row = m_clientArea->GetRowByItem( item );
|
|
if (row != -1)
|
|
return m_clientArea->IsExpanded(row);
|
|
return false;
|
|
}
|
|
|
|
void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid item" );
|
|
wxCHECK_RET( column, "no column provided" );
|
|
|
|
m_clientArea->StartEditing(item, column);
|
|
}
|
|
|
|
void wxDataViewCtrl::ResetAllSortColumns()
|
|
{
|
|
// Must make copy, because unsorting will remove it from original vector
|
|
wxVector<int> const copy(m_sortingColumnIdxs);
|
|
for ( wxVector<int>::const_iterator it = copy.begin(),
|
|
end = copy.end();
|
|
it != end;
|
|
++it )
|
|
{
|
|
GetColumn(*it)->UnsetAsSortKey();
|
|
}
|
|
|
|
wxASSERT( m_sortingColumnIdxs.empty() );
|
|
}
|
|
|
|
bool wxDataViewCtrl::AllowMultiColumnSort(bool allow)
|
|
{
|
|
if ( m_allowMultiColumnSort == allow )
|
|
return true;
|
|
|
|
m_allowMultiColumnSort = allow;
|
|
|
|
// If disabling, must disable any multiple sort that are active
|
|
if ( !allow )
|
|
{
|
|
ResetAllSortColumns();
|
|
|
|
if ( wxDataViewModel *model = GetModel() )
|
|
model->Resort();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool wxDataViewCtrl::IsColumnSorted(int idx) const
|
|
{
|
|
for ( wxVector<int>::const_iterator it = m_sortingColumnIdxs.begin(),
|
|
end = m_sortingColumnIdxs.end();
|
|
it != end;
|
|
++it )
|
|
{
|
|
if ( *it == idx )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void wxDataViewCtrl::UseColumnForSorting(int idx )
|
|
{
|
|
m_sortingColumnIdxs.push_back(idx);
|
|
}
|
|
|
|
void wxDataViewCtrl::DontUseColumnForSorting(int idx)
|
|
{
|
|
for ( wxVector<int>::iterator it = m_sortingColumnIdxs.begin(),
|
|
end = m_sortingColumnIdxs.end();
|
|
it != end;
|
|
++it )
|
|
{
|
|
if ( *it == idx )
|
|
{
|
|
m_sortingColumnIdxs.erase(it);
|
|
return;
|
|
}
|
|
}
|
|
|
|
wxFAIL_MSG( "Column is not used for sorting" );
|
|
}
|
|
|
|
void wxDataViewCtrl::ToggleSortByColumn(int column)
|
|
{
|
|
m_headerArea->ToggleSortByColumn(column);
|
|
}
|
|
|
|
void wxDataViewCtrl::DoEnableSystemTheme(bool enable, wxWindow* window)
|
|
{
|
|
typedef wxSystemThemedControl<wxControl> Base;
|
|
Base::DoEnableSystemTheme(enable, window);
|
|
Base::DoEnableSystemTheme(enable, m_clientArea);
|
|
if ( m_headerArea )
|
|
Base::DoEnableSystemTheme(enable, m_headerArea);
|
|
}
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
wxAccessible* wxDataViewCtrl::CreateAccessible()
|
|
{
|
|
return new wxDataViewCtrlAccessible(this);
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewCtrlAccessible
|
|
//-----------------------------------------------------------------------------
|
|
|
|
wxDataViewCtrlAccessible::wxDataViewCtrlAccessible(wxDataViewCtrl* win)
|
|
: wxWindowAccessible(win)
|
|
{
|
|
}
|
|
|
|
// Can return either a child object, or an integer
|
|
// representing the child element, starting from 1.
|
|
wxAccStatus wxDataViewCtrlAccessible::HitTest(const wxPoint& pt,
|
|
int* childId, wxAccessible** childObject)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
wxDataViewItem item;
|
|
wxDataViewColumn* col;
|
|
const wxPoint posCtrl = dvCtrl->ScreenToClient(pt);
|
|
dvCtrl->HitTest(posCtrl, item, col);
|
|
if ( item.IsOk() )
|
|
{
|
|
*childId = dvCtrl->GetRowByItem(item)+1;
|
|
*childObject = NULL;
|
|
}
|
|
else
|
|
{
|
|
if( ((wxWindow*)dvCtrl)->HitTest(posCtrl) == wxHT_WINDOW_INSIDE )
|
|
{
|
|
// First check if provided point belongs to the header
|
|
// because header control handles accesibility requestes on its own.
|
|
wxHeaderCtrl* dvHdr = dvCtrl->GenericGetHeader();
|
|
if ( dvHdr )
|
|
{
|
|
const wxPoint posHdr = dvHdr->ScreenToClient(pt);
|
|
if ( dvHdr->HitTest(posHdr) == wxHT_WINDOW_INSIDE )
|
|
{
|
|
*childId = wxACC_SELF;
|
|
*childObject = dvHdr->GetOrCreateAccessible();
|
|
return wxACC_OK;
|
|
}
|
|
}
|
|
|
|
*childId = wxACC_SELF;
|
|
*childObject = this;
|
|
}
|
|
else
|
|
{
|
|
*childId = wxACC_SELF;
|
|
*childObject = NULL;
|
|
}
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Returns the rectangle for this object (id = 0) or a child element (id > 0).
|
|
wxAccStatus wxDataViewCtrlAccessible::GetLocation(wxRect& rect, int elementId)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
if ( elementId == wxACC_SELF )
|
|
{
|
|
// Header accesibility requestes are handled separately
|
|
// so header is excluded from effective client area
|
|
// and hence only main window area is reported.
|
|
rect = dvWnd->GetScreenRect();
|
|
}
|
|
else
|
|
{
|
|
wxDataViewItem item = dvWnd->GetItemByRow(elementId-1);
|
|
if ( !item.IsOk() )
|
|
{
|
|
return wxACC_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
rect = dvWnd->GetItemRect(item, NULL);
|
|
// Indentation and expander column should be included here and therefore
|
|
// reported row width should by the same as the width of the client area.
|
|
rect.width += rect.x;
|
|
rect.x = 0;
|
|
wxPoint posScreen = dvWnd->ClientToScreen(rect.GetPosition());
|
|
rect.SetPosition(posScreen);
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Navigates from fromId to toId/toObject.
|
|
wxAccStatus wxDataViewCtrlAccessible::Navigate(wxNavDir navDir, int fromId,
|
|
int* toId, wxAccessible** toObject)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
const int numRows = (int)dvWnd->GetRowCount();
|
|
|
|
if ( fromId == wxACC_SELF )
|
|
{
|
|
switch ( navDir )
|
|
{
|
|
case wxNAVDIR_FIRSTCHILD:
|
|
if ( numRows > 0 )
|
|
{
|
|
*toId = 1;
|
|
*toObject = NULL;
|
|
return wxACC_OK;
|
|
}
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_LASTCHILD:
|
|
if ( numRows > 0 )
|
|
{
|
|
*toId = numRows;
|
|
*toObject = NULL;
|
|
return wxACC_OK;
|
|
}
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_DOWN:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_NEXT:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_UP:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_PREVIOUS:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_LEFT:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_RIGHT:
|
|
// Standard wxWindow navigation is applicable here.
|
|
return wxWindowAccessible::Navigate(navDir, fromId, toId, toObject);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch ( navDir )
|
|
{
|
|
case wxNAVDIR_FIRSTCHILD:
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_LASTCHILD:
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_LEFT:
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_RIGHT:
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_DOWN:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_NEXT:
|
|
if ( fromId < numRows )
|
|
{
|
|
*toId = fromId + 1;
|
|
*toObject = NULL;
|
|
return wxACC_OK;
|
|
}
|
|
return wxACC_FALSE;
|
|
case wxNAVDIR_PREVIOUS:
|
|
wxFALLTHROUGH;
|
|
case wxNAVDIR_UP:
|
|
if ( fromId > 1 )
|
|
{
|
|
*toId = fromId - 1;
|
|
*toObject = NULL;
|
|
return wxACC_OK;
|
|
}
|
|
return wxACC_FALSE;
|
|
}
|
|
}
|
|
|
|
// Let the framework handle the other cases.
|
|
return wxACC_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Gets the name of the specified object.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetName(int childId, wxString* name)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
if ( childId == wxACC_SELF )
|
|
{
|
|
*name = dvCtrl->GetName();
|
|
}
|
|
else
|
|
{
|
|
wxDataViewItem item = dvCtrl->GetItemByRow(childId-1);
|
|
if ( !item.IsOk() )
|
|
{
|
|
return wxACC_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Name is the value in the first textual column
|
|
// plus the name of this column:
|
|
// Column1: Value1
|
|
wxString itemName;
|
|
|
|
wxDataViewModel* model = dvCtrl->GetModel();
|
|
const unsigned int numCols = dvCtrl->GetColumnCount();
|
|
for ( unsigned int col = 0; col < numCols; col++ )
|
|
{
|
|
wxDataViewColumn *dvCol = dvCtrl->GetColumnAt(col);
|
|
if ( dvCol->IsHidden() )
|
|
continue; // skip it
|
|
|
|
wxVariant value;
|
|
model->GetValue(value, item, dvCol->GetModelColumn());
|
|
if ( value.IsNull() || value.IsType(wxS("bool")) )
|
|
continue; // Skip non-textual items
|
|
|
|
wxDataViewRenderer* r = dvCol->GetRenderer();
|
|
r->PrepareForItem(model, item, dvCol->GetModelColumn());
|
|
wxString vs = r->GetAccessibleDescription();
|
|
if ( !vs.empty() )
|
|
{
|
|
itemName = vs;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( itemName.empty() )
|
|
{
|
|
// Return row number if no textual column found.
|
|
// Rows are numbered from 1.
|
|
*name = wxString::Format(_("Row %i"), childId);
|
|
}
|
|
else
|
|
{
|
|
*name = itemName;
|
|
}
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Gets the number of children.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetChildCount(int* childCount)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
*childCount = (int)dvWnd->GetRowCount();
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Gets the specified child (starting from 1).
|
|
// If *child is NULL and return value is wxACC_OK,
|
|
// this means that the child is a simple element and
|
|
// not an accessible object.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetChild(int childId, wxAccessible** child)
|
|
{
|
|
*child = (childId == wxACC_SELF) ? this : NULL;
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Performs the default action. childId is 0 (the action for this object)
|
|
// or > 0 (the action for a child).
|
|
// Return wxACC_NOT_SUPPORTED if there is no default action for this
|
|
// window (e.g. an edit control).
|
|
wxAccStatus wxDataViewCtrlAccessible::DoDefaultAction(int childId)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
if ( childId != wxACC_SELF )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
if ( !dvWnd->IsList() )
|
|
{
|
|
const unsigned int row = childId-1;
|
|
wxDataViewTreeNode* node = dvWnd->GetTreeNodeByRow(row);
|
|
if ( node )
|
|
{
|
|
if ( node->HasChildren() )
|
|
{
|
|
// Expand or collapse the node.
|
|
if ( node->IsOpen() )
|
|
dvWnd->Collapse(row);
|
|
else
|
|
dvWnd->Expand(row);
|
|
return wxACC_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return wxACC_NOT_SUPPORTED;
|
|
}
|
|
|
|
// Gets the default action for this object (0) or > 0 (the action for a child).
|
|
// Return wxACC_OK even if there is no action. actionName is the action, or the empty
|
|
// string if there is no action.
|
|
// The retrieved string describes the action that is performed on an object,
|
|
// not what the object does as a result. For example, a toolbar button that prints
|
|
// a document has a default action of "Press" rather than "Prints the current document."
|
|
wxAccStatus wxDataViewCtrlAccessible::GetDefaultAction(int childId, wxString* actionName)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
wxString action;
|
|
if ( childId != wxACC_SELF )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
if ( !dvWnd->IsList() )
|
|
{
|
|
wxDataViewTreeNode* node = dvWnd->GetTreeNodeByRow(childId-1);
|
|
if ( node )
|
|
{
|
|
if ( node->HasChildren() )
|
|
{
|
|
if ( node->IsOpen() )
|
|
/* TRANSLATORS: Action for manipulating a tree control */
|
|
action = _("Collapse");
|
|
else
|
|
/* TRANSLATORS: Action for manipulating a tree control */
|
|
action = _("Expand");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*actionName = action;
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Returns the description for this object or a child.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetDescription(int childId, wxString* description)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
if ( childId == wxACC_SELF )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
*description = wxString::Format(_("%s (%d items)"),
|
|
dvCtrl->GetName().c_str(), dvWnd->GetRowCount());
|
|
}
|
|
else
|
|
{
|
|
wxDataViewItem item = dvCtrl->GetItemByRow(childId-1);
|
|
if ( !item.IsOk() )
|
|
{
|
|
return wxACC_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Description is concatenation of the contents of items in all columns:
|
|
// Column1: Value1, Column2: Value2, ...
|
|
// First textual item should be skipped because it is returned
|
|
// as a Name property.
|
|
wxString itemDesc;
|
|
|
|
bool firstTextSkipped = false;
|
|
wxDataViewModel* model = dvCtrl->GetModel();
|
|
const unsigned int numCols = dvCtrl->GetColumnCount();
|
|
for ( unsigned int col = 0; col < numCols; col++ )
|
|
{
|
|
if ( model->IsContainer(item) && !model->HasContainerColumns(item) )
|
|
continue; // skip it
|
|
|
|
wxDataViewColumn *dvCol = dvCtrl->GetColumnAt(col);
|
|
if ( dvCol->IsHidden() )
|
|
continue; // skip it
|
|
|
|
wxVariant value;
|
|
model->GetValue(value, item, dvCol->GetModelColumn());
|
|
|
|
wxDataViewRenderer* r = dvCol->GetRenderer();
|
|
r->PrepareForItem(model, item, dvCol->GetModelColumn());
|
|
wxString valStr = r->GetAccessibleDescription();
|
|
// Skip first textual item
|
|
if ( !firstTextSkipped && !value.IsNull() && !value.IsType(wxS("bool")) && !valStr.empty() )
|
|
{
|
|
firstTextSkipped = true;
|
|
continue;
|
|
}
|
|
|
|
if ( !valStr.empty() )
|
|
{
|
|
wxString colName = dvCol->GetTitle();
|
|
// If column has no label then present its index.
|
|
if ( colName.empty() )
|
|
{
|
|
// Columns are numbered from 1.
|
|
colName = wxString::Format(_("Column %u"), col+1);
|
|
}
|
|
|
|
if ( !itemDesc.empty() )
|
|
itemDesc.Append(wxS(", "));
|
|
itemDesc.Append(colName);
|
|
itemDesc.Append(wxS(": "));
|
|
itemDesc.Append(valStr);
|
|
}
|
|
}
|
|
|
|
*description = itemDesc;
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Returns help text for this object or a child, similar to tooltip text.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetHelpText(int childId, wxString* helpText)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
#if wxUSE_HELP
|
|
if ( childId == wxACC_SELF )
|
|
{
|
|
*helpText = dvCtrl->GetHelpText();
|
|
}
|
|
else
|
|
{
|
|
wxDataViewItem item = dvCtrl->GetItemByRow(childId-1);
|
|
if ( item.IsOk() )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
wxRect rect = dvWnd->GetItemRect(item, NULL);
|
|
*helpText = dvWnd->GetHelpTextAtPoint(rect.GetPosition(), wxHelpEvent::Origin_Keyboard);
|
|
}
|
|
else
|
|
{
|
|
helpText->clear();
|
|
}
|
|
}
|
|
return wxACC_OK;
|
|
#else
|
|
(void)childId;
|
|
(void)helpText;
|
|
return wxACC_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
// Returns the keyboard shortcut for this object or child.
|
|
// Return e.g. ALT+K
|
|
wxAccStatus wxDataViewCtrlAccessible::GetKeyboardShortcut(int childId, wxString* shortcut)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
if ( childId != wxACC_SELF )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
if ( !dvWnd->IsList() )
|
|
{
|
|
wxDataViewTreeNode* node = dvWnd->GetTreeNodeByRow(childId-1);
|
|
if ( node )
|
|
{
|
|
if ( node->HasChildren() )
|
|
{
|
|
if ( node->IsOpen() )
|
|
/* TRANSLATORS: Keystroke for manipulating a tree control */
|
|
*shortcut = _("Left");
|
|
else
|
|
/* TRANSLATORS: Keystroke for manipulating a tree control */
|
|
*shortcut = _("Right");
|
|
|
|
return wxACC_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return wxACC_FALSE;
|
|
}
|
|
|
|
// Returns a role constant.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetRole(int childId, wxAccRole* role)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
if ( childId == wxACC_SELF )
|
|
*role = dvWnd->IsList() ? wxROLE_SYSTEM_LIST : wxROLE_SYSTEM_OUTLINE;
|
|
else
|
|
*role = dvWnd->IsList() ? wxROLE_SYSTEM_LISTITEM : wxROLE_SYSTEM_OUTLINEITEM;
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Returns a state constant.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetState(int childId, long* state)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
long st = 0;
|
|
// State flags common to the object and its children.
|
|
if ( !dvWnd->IsEnabled() )
|
|
st |= wxACC_STATE_SYSTEM_UNAVAILABLE;
|
|
if ( !dvWnd->IsShown() )
|
|
st |= wxACC_STATE_SYSTEM_INVISIBLE;
|
|
|
|
if ( childId == wxACC_SELF )
|
|
{
|
|
if( dvWnd->IsFocusable() )
|
|
st |= wxACC_STATE_SYSTEM_FOCUSABLE;
|
|
if ( dvWnd->HasFocus() )
|
|
st |= wxACC_STATE_SYSTEM_FOCUSED;
|
|
}
|
|
else
|
|
{
|
|
const unsigned int rowNum = childId-1;
|
|
|
|
if( dvWnd->IsFocusable() )
|
|
st |= wxACC_STATE_SYSTEM_FOCUSABLE | wxACC_STATE_SYSTEM_SELECTABLE;
|
|
if ( !dvWnd->IsSingleSel() )
|
|
st |= wxACC_STATE_SYSTEM_MULTISELECTABLE | wxACC_STATE_SYSTEM_EXTSELECTABLE;
|
|
|
|
if ( rowNum < dvWnd->GetFirstVisibleRow() || rowNum > dvWnd->GetLastFullyVisibleRow() )
|
|
st |= wxACC_STATE_SYSTEM_OFFSCREEN;
|
|
if ( dvWnd->GetCurrentRow() == rowNum )
|
|
st |= wxACC_STATE_SYSTEM_FOCUSED;
|
|
if ( dvWnd->IsRowSelected(rowNum) )
|
|
st |= wxACC_STATE_SYSTEM_SELECTED;
|
|
|
|
if ( !dvWnd->IsList() )
|
|
{
|
|
wxDataViewTreeNode* node = dvWnd->GetTreeNodeByRow(rowNum);
|
|
if ( node )
|
|
{
|
|
if ( node->HasChildren() )
|
|
{
|
|
if ( node->IsOpen() )
|
|
st |= wxACC_STATE_SYSTEM_EXPANDED;
|
|
else
|
|
st |= wxACC_STATE_SYSTEM_COLLAPSED;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
*state = st;
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Returns a localized string representing the value for the object
|
|
// or child.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetValue(int childId, wxString* strValue)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
wxString val;
|
|
|
|
if ( childId != wxACC_SELF )
|
|
{
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
if ( !dvWnd->IsList() )
|
|
{
|
|
// In the tree view each item within the control has a zero-based value
|
|
// that represents its level within the hierarchy and this value
|
|
// is returned as a Value property.
|
|
wxDataViewTreeNode *node = dvWnd->GetTreeNodeByRow(childId-1);
|
|
if ( node )
|
|
{
|
|
val = wxString::Format(wxS("%i"), node->GetIndentLevel());
|
|
}
|
|
}
|
|
}
|
|
|
|
*strValue = val;
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Selects the object or child.
|
|
wxAccStatus wxDataViewCtrlAccessible::Select(int childId, wxAccSelectionFlags selectFlags)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
if ( childId == wxACC_SELF )
|
|
{
|
|
if ( selectFlags == wxACC_SEL_TAKEFOCUS )
|
|
{
|
|
dvWnd->SetFocus();
|
|
}
|
|
else if ( selectFlags != wxACC_SEL_NONE )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// These flags are not allowed in the single-selection mode:
|
|
if ( dvWnd->IsSingleSel() &&
|
|
selectFlags & (wxACC_SEL_EXTENDSELECTION | wxACC_SEL_ADDSELECTION | wxACC_SEL_REMOVESELECTION) )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
const int row = childId-1;
|
|
|
|
if ( selectFlags == wxACC_SEL_TAKEFOCUS )
|
|
{
|
|
dvWnd->ChangeCurrentRow(row);
|
|
}
|
|
else if ( selectFlags & wxACC_SEL_TAKESELECTION )
|
|
{
|
|
// This flag must not be combined with the following flags:
|
|
if ( selectFlags & (wxACC_SEL_EXTENDSELECTION | wxACC_SEL_ADDSELECTION | wxACC_SEL_REMOVESELECTION) )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
dvWnd->UnselectAllRows();
|
|
dvWnd->SelectRow(row, true);
|
|
if ( selectFlags & wxACC_SEL_TAKEFOCUS || dvWnd->IsSingleSel() )
|
|
{
|
|
dvWnd->ChangeCurrentRow(row);
|
|
}
|
|
}
|
|
else if ( selectFlags & wxACC_SEL_EXTENDSELECTION )
|
|
{
|
|
// This flag must not be combined with the following flag:
|
|
if ( selectFlags & wxACC_SEL_TAKESELECTION )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
// These flags cannot be set together:
|
|
if ( (selectFlags & (wxACC_SEL_ADDSELECTION | wxACC_SEL_REMOVESELECTION))
|
|
== (wxACC_SEL_ADDSELECTION | wxACC_SEL_REMOVESELECTION) )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
// We have to have a focused object as a selection anchor.
|
|
unsigned int focusedRow = dvWnd->GetCurrentRow();
|
|
if ( focusedRow == (unsigned int)-1 )
|
|
{
|
|
wxFAIL_MSG( wxS("No selection anchor") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
bool doSelect;
|
|
if ( selectFlags & wxACC_SEL_ADDSELECTION )
|
|
doSelect = true;
|
|
else if ( selectFlags & wxACC_SEL_REMOVESELECTION )
|
|
doSelect = false;
|
|
else
|
|
// If the anchor object is selected, the selection is extended.
|
|
// If the anchor object is not selected, all objects are unselected.
|
|
doSelect = dvWnd->IsRowSelected(focusedRow);
|
|
|
|
if ( doSelect )
|
|
{
|
|
dvWnd->SelectRows(focusedRow, row);
|
|
}
|
|
else
|
|
{
|
|
for( int r = focusedRow; r <= row; r++ )
|
|
dvWnd->SelectRow(r, false);
|
|
}
|
|
|
|
if ( selectFlags & wxACC_SEL_TAKEFOCUS )
|
|
{
|
|
dvWnd->ChangeCurrentRow(row);
|
|
}
|
|
}
|
|
else if ( selectFlags & wxACC_SEL_ADDSELECTION )
|
|
{
|
|
// This flag must not be combined with the following flags:
|
|
if ( selectFlags & (wxACC_SEL_TAKESELECTION | wxACC_SEL_REMOVESELECTION) )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
// Combination with wxACC_SEL_EXTENDSELECTION is already handled
|
|
// (see wxACC_SEL_EXTENDSELECTION block).
|
|
dvWnd->SelectRow(row, true);
|
|
if ( selectFlags & wxACC_SEL_TAKEFOCUS )
|
|
{
|
|
dvWnd->ChangeCurrentRow(row);
|
|
}
|
|
}
|
|
else if ( selectFlags & wxACC_SEL_REMOVESELECTION )
|
|
{
|
|
// This flag must not be combined with the following flags:
|
|
if ( selectFlags & (wxACC_SEL_TAKESELECTION | wxACC_SEL_ADDSELECTION) )
|
|
{
|
|
wxFAIL_MSG( wxS("Invalid selection flag") );
|
|
return wxACC_INVALID_ARG;
|
|
}
|
|
|
|
// Combination with wxACC_SEL_EXTENDSELECTION is already handled
|
|
// (see wxACC_SEL_EXTENDSELECTION block).
|
|
dvWnd->SelectRow(row, false);
|
|
if ( selectFlags & wxACC_SEL_TAKEFOCUS )
|
|
{
|
|
dvWnd->ChangeCurrentRow(row);
|
|
}
|
|
}
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Gets the window with the keyboard focus.
|
|
// If childId is 0 and child is NULL, no object in
|
|
// this subhierarchy has the focus.
|
|
// If this object has the focus, child should be 'this'.
|
|
wxAccStatus wxDataViewCtrlAccessible::GetFocus(int* childId, wxAccessible** child)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
wxDataViewMainWindow* dvWnd = wxDynamicCast(dvCtrl->GetMainWindow(), wxDataViewMainWindow);
|
|
|
|
const unsigned int row = dvWnd->GetCurrentRow();
|
|
if ( row != (unsigned int)*childId-1 )
|
|
{
|
|
*childId = row+1;
|
|
*child = NULL;
|
|
}
|
|
else
|
|
{
|
|
// First check if header is focused because header control
|
|
// handles accesibility requestes on its own.
|
|
wxHeaderCtrl* dvHdr = dvCtrl->GenericGetHeader();
|
|
if ( dvHdr )
|
|
{
|
|
if ( dvHdr->HasFocus() )
|
|
{
|
|
*childId = wxACC_SELF;
|
|
*child = dvHdr->GetOrCreateAccessible();
|
|
return wxACC_OK;
|
|
}
|
|
}
|
|
|
|
if ( dvWnd->HasFocus() )
|
|
{
|
|
*childId = wxACC_SELF;
|
|
*child = this;
|
|
}
|
|
else
|
|
{
|
|
*childId = 0;
|
|
*child = NULL;
|
|
}
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
|
|
// Gets a variant representing the selected children
|
|
// of this object.
|
|
// Acceptable values:
|
|
// - a null variant (IsNull() returns true)
|
|
// - a "void*" pointer to a wxAccessible child object
|
|
// - an integer representing the selected child element,
|
|
// or 0 if this object is selected (GetType() == wxT("long"))
|
|
// - a list variant (GetType() == wxT("list"))
|
|
wxAccStatus wxDataViewCtrlAccessible::GetSelections(wxVariant* selections)
|
|
{
|
|
wxDataViewCtrl* dvCtrl = wxDynamicCast(GetWindow(), wxDataViewCtrl);
|
|
wxCHECK( dvCtrl, wxACC_FAIL );
|
|
|
|
wxDataViewItemArray sel;
|
|
dvCtrl->GetSelections(sel);
|
|
if ( sel.IsEmpty() )
|
|
{
|
|
selections->MakeNull();
|
|
}
|
|
else
|
|
{
|
|
wxVariantList tempList;
|
|
wxVariant v(tempList);
|
|
|
|
for( size_t i = 0; i < sel.GetCount(); i++ )
|
|
{
|
|
int row = dvCtrl->GetRowByItem(sel[i]);
|
|
v.Append(wxVariant((long)row+1));
|
|
}
|
|
|
|
// Don't return the list if one child is selected.
|
|
if ( v.GetCount() == 1 )
|
|
*selections = wxVariant(v[0].GetLong());
|
|
else
|
|
*selections = v;
|
|
}
|
|
|
|
return wxACC_OK;
|
|
}
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
#endif // !wxHAS_GENERIC_DATAVIEWCTRL
|
|
|
|
#endif // wxUSE_DATAVIEWCTRL
|