1e6d94998f
types in wxCHECK_MSG); compiles again for 16-bit Windows, though dialogs don't work; added generic notebook implementation (copied from wxMotif); fixed event handler arg in wxDirDialog; added preliminary wxImage reference; removed some constructors from documentation; fixed wxIniConfig compilation git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1247 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1491 lines
36 KiB
C++
1491 lines
36 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: treectrl.cpp
|
|
// Purpose: generic tree control implementation
|
|
// Author: Robert Roebling
|
|
// Created: 01/02/97
|
|
// Modified: 22/10/98 - almost total rewrite, simpler interface (VZ)
|
|
// Id: $Id$
|
|
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// =============================================================================
|
|
// declarations
|
|
// =============================================================================
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// headers
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation "treectrl.h"
|
|
#endif
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#include "wx/generic/treectrl.h"
|
|
#include "wx/settings.h"
|
|
#include "wx/log.h"
|
|
#include "wx/intl.h"
|
|
#include "wx/dynarray.h"
|
|
#include "wx/dcclient.h"
|
|
#include "wx/imaglist.h"
|
|
#include "wx/msgdlg.h"
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// array types
|
|
// -----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxGenericTreeItem;
|
|
|
|
WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayTreeItems);
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// private classes
|
|
// -----------------------------------------------------------------------------
|
|
|
|
// a tree item
|
|
class WXDLLEXPORT wxGenericTreeItem
|
|
{
|
|
public:
|
|
// ctors & dtor
|
|
wxGenericTreeItem() { m_data = NULL; }
|
|
wxGenericTreeItem( wxGenericTreeItem *parent,
|
|
const wxString& text,
|
|
wxDC& dc,
|
|
int image, int selImage,
|
|
wxTreeItemData *data );
|
|
|
|
~wxGenericTreeItem();
|
|
|
|
// trivial accessors
|
|
wxArrayTreeItems& GetChildren() { return m_children; }
|
|
|
|
const wxString& GetText() const { return m_text; }
|
|
int GetImage() const { return m_image; }
|
|
int GetSelectedImage() const { return m_selImage; }
|
|
wxTreeItemData *GetData() const { return m_data; }
|
|
|
|
void SetText( const wxString &text, wxDC& dc );
|
|
void SetImage(int image) { m_image = image; }
|
|
void SetSelectedImage(int image) { m_selImage = image; }
|
|
void SetData(wxTreeItemData *data) { m_data = data; }
|
|
|
|
void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
|
|
|
|
void SetBold(bool bold) { m_isBold = bold; }
|
|
|
|
int GetX() const { return m_x; }
|
|
int GetY() const { return m_y; }
|
|
|
|
void SetHeight(int h) { m_height = h; }
|
|
|
|
void SetX(int x) { m_x = x; }
|
|
void SetY(int y) { m_y = y; }
|
|
|
|
wxGenericTreeItem *GetParent() const { return m_parent; }
|
|
|
|
// operations
|
|
// deletes all children notifying the treectrl about it if !NULL pointer
|
|
// given
|
|
void DeleteChildren(wxTreeCtrl *tree = NULL);
|
|
// FIXME don't know what is it for
|
|
void Reset();
|
|
|
|
// get count of all children (and grand children if 'recursively')
|
|
size_t GetChildrenCount(bool recursively = TRUE) const;
|
|
|
|
void Insert(wxGenericTreeItem *child, size_t index)
|
|
{ m_children.Insert(child, index); }
|
|
|
|
void SetCross( int x, int y );
|
|
void GetSize( int &x, int &y );
|
|
|
|
// return the item at given position (or NULL if no item), onButton is TRUE
|
|
// if the point belongs to the item's button, otherwise it lies on the
|
|
// button's label
|
|
wxGenericTreeItem *HitTest( const wxPoint& point, bool &onButton );
|
|
|
|
void Expand() { m_isCollapsed = FALSE; }
|
|
void Collapse() { m_isCollapsed = TRUE; }
|
|
|
|
void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
|
|
|
|
// status inquiries
|
|
bool HasChildren() const { return !m_children.IsEmpty(); }
|
|
bool HasHilight() const { return m_hasHilight; }
|
|
bool IsExpanded() const { return !m_isCollapsed; }
|
|
bool HasPlus() const { return m_hasPlus || HasChildren(); }
|
|
bool IsBold() const { return m_isBold; }
|
|
|
|
private:
|
|
wxString m_text;
|
|
|
|
int m_image,
|
|
m_selImage;
|
|
|
|
wxTreeItemData *m_data;
|
|
|
|
// use bitfields to save size
|
|
int m_isCollapsed :1;
|
|
int m_hasHilight :1; // same as focused
|
|
int m_hasPlus :1; // used for item which doesn't have
|
|
// children but still has a [+] button
|
|
int m_isBold :1; // render the label in bold font
|
|
|
|
int m_x, m_y;
|
|
long m_height, m_width;
|
|
int m_xCross, m_yCross;
|
|
int m_level;
|
|
wxArrayTreeItems m_children;
|
|
wxGenericTreeItem *m_parent;
|
|
};
|
|
|
|
// =============================================================================
|
|
// implementation
|
|
// =============================================================================
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// wxTreeEvent
|
|
// -----------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
|
|
|
|
wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
|
|
: wxNotifyEvent( commandType, id )
|
|
{
|
|
m_code = 0;
|
|
m_itemOld = (wxGenericTreeItem *)NULL;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// wxGenericTreeItem
|
|
// -----------------------------------------------------------------------------
|
|
|
|
wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
|
|
const wxString& text,
|
|
wxDC& dc,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
: m_text(text)
|
|
{
|
|
m_image = image;
|
|
m_selImage = selImage;
|
|
m_data = data;
|
|
m_x = m_y = 0;
|
|
m_xCross = m_yCross = 0;
|
|
|
|
m_level = 0;
|
|
|
|
m_isCollapsed = TRUE;
|
|
m_hasHilight = FALSE;
|
|
m_hasPlus = FALSE;
|
|
m_isBold = FALSE;
|
|
|
|
m_parent = parent;
|
|
|
|
dc.GetTextExtent( m_text, &m_width, &m_height );
|
|
}
|
|
|
|
wxGenericTreeItem::~wxGenericTreeItem()
|
|
{
|
|
delete m_data;
|
|
|
|
wxASSERT_MSG( m_children.IsEmpty(),
|
|
"please call DeleteChildren() before deleting the item" );
|
|
}
|
|
|
|
void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
|
|
{
|
|
size_t count = m_children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
wxGenericTreeItem *child = m_children[n];
|
|
if ( tree )
|
|
{
|
|
tree->SendDeleteEvent(child);
|
|
}
|
|
|
|
child->DeleteChildren(tree);
|
|
delete child;
|
|
}
|
|
|
|
m_children.Empty();
|
|
}
|
|
|
|
void wxGenericTreeItem::SetText( const wxString &text, wxDC& dc )
|
|
{
|
|
m_text = text;
|
|
|
|
dc.GetTextExtent( m_text, &m_width, &m_height );
|
|
}
|
|
|
|
void wxGenericTreeItem::Reset()
|
|
{
|
|
m_text.Empty();
|
|
m_image =
|
|
m_selImage = -1;
|
|
m_data = NULL;
|
|
m_x = m_y =
|
|
m_height = m_width = 0;
|
|
m_xCross =
|
|
m_yCross = 0;
|
|
|
|
m_level = 0;
|
|
|
|
DeleteChildren();
|
|
m_isCollapsed = TRUE;
|
|
|
|
m_parent = (wxGenericTreeItem *)NULL;
|
|
}
|
|
|
|
size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
|
|
{
|
|
size_t count = m_children.Count();
|
|
if ( !recursively )
|
|
return count;
|
|
|
|
size_t total = count;
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
total += m_children[n]->GetChildrenCount();
|
|
}
|
|
|
|
return total;
|
|
}
|
|
|
|
void wxGenericTreeItem::SetCross( int x, int y )
|
|
{
|
|
m_xCross = x;
|
|
m_yCross = y;
|
|
}
|
|
|
|
void wxGenericTreeItem::GetSize( int &x, int &y )
|
|
{
|
|
if ( y < m_y ) y = m_y;
|
|
int width = m_x + m_width;
|
|
if (width > x) x = width;
|
|
|
|
if (IsExpanded())
|
|
{
|
|
size_t count = m_children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
m_children[n]->GetSize( x, y );
|
|
}
|
|
}
|
|
}
|
|
|
|
wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
|
|
bool &onButton )
|
|
{
|
|
if ((point.y > m_y) && (point.y < m_y + m_height))
|
|
{
|
|
// FIXME why +5?
|
|
if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
|
|
(point.y > m_yCross-5) && (point.y < m_yCross+5) &&
|
|
(IsExpanded() || HasPlus()))
|
|
{
|
|
onButton = TRUE;
|
|
return this;
|
|
}
|
|
|
|
int w = m_width;
|
|
if (m_image != -1) w += 20;
|
|
|
|
if ((point.x > m_x) && (point.x < m_x+w))
|
|
{
|
|
onButton = FALSE;
|
|
return this;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!m_isCollapsed)
|
|
{
|
|
size_t count = m_children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
wxGenericTreeItem *res = m_children[n]->HitTest( point, onButton );
|
|
if ( res != NULL )
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// wxTreeCtrl implementation
|
|
// -----------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow)
|
|
|
|
BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
|
|
EVT_PAINT (wxTreeCtrl::OnPaint)
|
|
EVT_MOUSE_EVENTS (wxTreeCtrl::OnMouse)
|
|
EVT_CHAR (wxTreeCtrl::OnChar)
|
|
EVT_SET_FOCUS (wxTreeCtrl::OnSetFocus)
|
|
EVT_KILL_FOCUS (wxTreeCtrl::OnKillFocus)
|
|
EVT_IDLE (wxTreeCtrl::OnIdle)
|
|
END_EVENT_TABLE()
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// construction/destruction
|
|
// -----------------------------------------------------------------------------
|
|
void wxTreeCtrl::Init()
|
|
{
|
|
m_current =
|
|
m_anchor = (wxGenericTreeItem *) NULL;
|
|
m_hasFocus = FALSE;
|
|
m_dirty = FALSE;
|
|
|
|
m_xScroll = 0;
|
|
m_yScroll = 0;
|
|
m_lineHeight = 10;
|
|
m_indent = 15;
|
|
|
|
m_hilightBrush = new wxBrush
|
|
(
|
|
wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
|
|
wxSOLID
|
|
);
|
|
|
|
m_imageListNormal =
|
|
m_imageListState = (wxImageList *) NULL;
|
|
}
|
|
|
|
bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
|
|
const wxPoint& pos, const wxSize& size,
|
|
long style,
|
|
const wxValidator &validator,
|
|
const wxString& name )
|
|
{
|
|
Init();
|
|
|
|
wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
|
|
|
|
SetValidator( validator );
|
|
|
|
SetBackgroundColour( *wxWHITE );
|
|
m_dottedPen = wxPen( *wxBLACK, 0, 0 );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
wxTreeCtrl::~wxTreeCtrl()
|
|
{
|
|
wxDELETE( m_hilightBrush );
|
|
|
|
DeleteAllItems();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// accessors
|
|
// -----------------------------------------------------------------------------
|
|
|
|
size_t wxTreeCtrl::GetCount() const
|
|
{
|
|
return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
|
|
}
|
|
|
|
void wxTreeCtrl::SetIndent(unsigned int indent)
|
|
{
|
|
m_indent = indent;
|
|
Refresh();
|
|
}
|
|
|
|
size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), 0u, "invalid tree item" );
|
|
|
|
return item.m_pItem->GetChildrenCount(recursively);
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// functions to work with tree items
|
|
// -----------------------------------------------------------------------------
|
|
|
|
wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), "", "invalid tree item" );
|
|
|
|
return item.m_pItem->GetText();
|
|
}
|
|
|
|
int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
|
|
|
|
return item.m_pItem->GetImage();
|
|
}
|
|
|
|
int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), -1, "invalid tree item" );
|
|
|
|
return item.m_pItem->GetSelectedImage();
|
|
}
|
|
|
|
wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), NULL, "invalid tree item" );
|
|
|
|
return item.m_pItem->GetData();
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
wxClientDC dc(this);
|
|
item.m_pItem->SetText(text, dc);
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
item.m_pItem->SetImage(image);
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
item.m_pItem->SetSelectedImage(image);
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
item.m_pItem->SetData(data);
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
item.m_pItem->SetHasPlus(has);
|
|
}
|
|
|
|
void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
|
|
{
|
|
wxCHECK_RET( item.IsOk(), "invalid tree item" );
|
|
|
|
// avoid redrawing the tree if no real change
|
|
wxGenericTreeItem *pItem = item.m_pItem;
|
|
if ( pItem->IsBold() != bold )
|
|
{
|
|
pItem->SetBold(bold);
|
|
RefreshLine(pItem);
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// item status inquiries
|
|
// -----------------------------------------------------------------------------
|
|
|
|
bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
|
|
|
|
return !item.m_pItem->GetChildren().IsEmpty();
|
|
}
|
|
|
|
bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
|
|
|
|
return item.m_pItem->IsExpanded();
|
|
}
|
|
|
|
bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
|
|
|
|
return item.m_pItem->HasHilight();
|
|
}
|
|
|
|
bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), FALSE, "invalid tree item" );
|
|
|
|
return item.m_pItem->IsBold();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// navigation
|
|
// -----------------------------------------------------------------------------
|
|
|
|
wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
return item.m_pItem->GetParent();
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
cookie = 0;
|
|
return GetNextChild(item, cookie);
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
wxArrayTreeItems& children = item.m_pItem->GetChildren();
|
|
if ( (size_t)cookie < children.Count() )
|
|
{
|
|
return item.m_pItem->GetChildren().Item(cookie++);
|
|
}
|
|
else
|
|
{
|
|
// there are no more of them
|
|
return wxTreeItemId();
|
|
}
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
wxGenericTreeItem *i = item.m_pItem;
|
|
wxGenericTreeItem *parent = i->GetParent();
|
|
if ( parent == NULL )
|
|
{
|
|
// root item doesn't have any siblings
|
|
return wxTreeItemId();
|
|
}
|
|
|
|
wxArrayTreeItems& siblings = parent->GetChildren();
|
|
int index = siblings.Index(i);
|
|
wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
|
|
|
|
size_t n = (size_t)(index + 1);
|
|
return n == siblings.Count() ? wxTreeItemId() : siblings[n];
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
wxGenericTreeItem *i = item.m_pItem;
|
|
wxGenericTreeItem *parent = i->GetParent();
|
|
if ( parent == NULL )
|
|
{
|
|
// root item doesn't have any siblings
|
|
return wxTreeItemId();
|
|
}
|
|
|
|
wxArrayTreeItems& siblings = parent->GetChildren();
|
|
int index = siblings.Index(i);
|
|
wxASSERT( index != NOT_FOUND ); // I'm not a child of my parent?
|
|
|
|
return index == 0 ? wxTreeItemId() : siblings[(size_t)(index - 1)];
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return wxTreeItemId();
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return wxTreeItemId();
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
|
|
{
|
|
wxCHECK_MSG( item.IsOk(), wxTreeItemId(), "invalid tree item" );
|
|
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return wxTreeItemId();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// operations
|
|
// -----------------------------------------------------------------------------
|
|
|
|
wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
|
|
size_t previous,
|
|
const wxString& text,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
{
|
|
wxGenericTreeItem *parent = parentId.m_pItem;
|
|
if ( !parent )
|
|
{
|
|
// should we give a warning here?
|
|
return AddRoot(text, image, selImage, data);
|
|
}
|
|
|
|
wxClientDC dc(this);
|
|
wxGenericTreeItem *item = new wxGenericTreeItem(parent,
|
|
text, dc,
|
|
image, selImage,
|
|
data);
|
|
|
|
if ( data != NULL )
|
|
{
|
|
data->m_pItem = item;
|
|
}
|
|
|
|
parent->Insert( item, previous );
|
|
|
|
m_dirty = TRUE;
|
|
|
|
return item;
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
{
|
|
wxCHECK_MSG( !m_anchor, wxTreeItemId(), "tree can have only one root" );
|
|
|
|
wxClientDC dc(this);
|
|
m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
|
|
image, selImage, data);
|
|
if ( data != NULL )
|
|
{
|
|
data->m_pItem = m_anchor;
|
|
}
|
|
|
|
AdjustMyScrollbars();
|
|
Refresh();
|
|
|
|
return m_anchor;
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
|
|
const wxString& text,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
{
|
|
return DoInsertItem(parent, 0u, text, image, selImage, data);
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId,
|
|
const wxTreeItemId& idPrevious,
|
|
const wxString& text,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
{
|
|
wxGenericTreeItem *parent = parentId.m_pItem;
|
|
if ( !parent )
|
|
{
|
|
// should we give a warning here?
|
|
return AddRoot(text, image, selImage, data);
|
|
}
|
|
|
|
int index = parent->GetChildren().Index(idPrevious.m_pItem);
|
|
wxASSERT_MSG( index != NOT_FOUND,
|
|
"previous item in wxTreeCtrl::InsertItem() is not a sibling" );
|
|
return DoInsertItem(parentId, (size_t)index, text, image, selImage, data);
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId,
|
|
const wxString& text,
|
|
int image, int selImage,
|
|
wxTreeItemData *data)
|
|
{
|
|
wxGenericTreeItem *parent = parentId.m_pItem;
|
|
if ( !parent )
|
|
{
|
|
// should we give a warning here?
|
|
return AddRoot(text, image, selImage, data);
|
|
}
|
|
|
|
return DoInsertItem(parent, parent->GetChildren().Count(), text,
|
|
image, selImage, data);
|
|
}
|
|
|
|
void wxTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
|
|
{
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
|
|
event.m_item = item;
|
|
event.SetEventObject( this );
|
|
ProcessEvent( event );
|
|
}
|
|
|
|
void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
item->DeleteChildren(this);
|
|
|
|
m_dirty = TRUE;
|
|
}
|
|
|
|
void wxTreeCtrl::Delete(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
wxGenericTreeItem *parent = item->GetParent();
|
|
|
|
if ( parent )
|
|
{
|
|
parent->GetChildren().Remove(item);
|
|
}
|
|
|
|
item->DeleteChildren(this);
|
|
SendDeleteEvent(item);
|
|
delete item;
|
|
|
|
m_dirty = TRUE;
|
|
}
|
|
|
|
void wxTreeCtrl::DeleteAllItems()
|
|
{
|
|
if ( m_anchor )
|
|
{
|
|
m_anchor->DeleteChildren(this);
|
|
delete m_anchor;
|
|
|
|
m_anchor = NULL;
|
|
|
|
m_dirty = TRUE;
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::Expand(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
|
|
if ( !item->HasPlus() )
|
|
return;
|
|
|
|
if ( item->IsExpanded() )
|
|
return;
|
|
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
|
|
event.m_item = item;
|
|
event.SetEventObject( this );
|
|
if ( ProcessEvent( event ) && event.m_code )
|
|
{
|
|
// cancelled by program
|
|
return;
|
|
}
|
|
|
|
item->Expand();
|
|
CalculatePositions();
|
|
|
|
RefreshSubtree(item);
|
|
|
|
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
|
|
ProcessEvent( event );
|
|
}
|
|
|
|
void wxTreeCtrl::Collapse(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
|
|
if ( !item->IsExpanded() )
|
|
return;
|
|
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
|
|
event.m_item = item;
|
|
event.SetEventObject( this );
|
|
if ( ProcessEvent( event ) && event.m_code )
|
|
{
|
|
// cancelled by program
|
|
return;
|
|
}
|
|
|
|
item->Collapse();
|
|
|
|
wxArrayTreeItems& children = item->GetChildren();
|
|
size_t count = children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
Collapse(children[n]);
|
|
}
|
|
|
|
CalculatePositions();
|
|
|
|
RefreshSubtree(item);
|
|
|
|
event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
|
|
ProcessEvent( event );
|
|
}
|
|
|
|
void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
|
|
{
|
|
Collapse(item);
|
|
DeleteChildren(item);
|
|
}
|
|
|
|
void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
|
|
if ( item->IsExpanded() )
|
|
Collapse(itemId);
|
|
else
|
|
Expand(itemId);
|
|
}
|
|
|
|
void wxTreeCtrl::Unselect()
|
|
{
|
|
if ( m_current )
|
|
{
|
|
m_current->SetHilight( FALSE );
|
|
RefreshLine( m_current );
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId)
|
|
{
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
|
|
if ( m_current != item )
|
|
{
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
|
|
event.m_item = item;
|
|
event.m_itemOld = m_current;
|
|
event.SetEventObject( this );
|
|
if ( GetEventHandler()->ProcessEvent( event ) && event.WasVetoed() )
|
|
return;
|
|
|
|
if ( m_current )
|
|
{
|
|
m_current->SetHilight( FALSE );
|
|
RefreshLine( m_current );
|
|
}
|
|
|
|
m_current = item;
|
|
m_current->SetHilight( TRUE );
|
|
RefreshLine( m_current );
|
|
|
|
event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
|
|
GetEventHandler()->ProcessEvent( event );
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
|
|
{
|
|
wxGenericTreeItem *gitem = item.m_pItem;
|
|
|
|
int item_y = gitem->GetY();
|
|
|
|
int start_x = 0;
|
|
int start_y = 0;
|
|
ViewStart( &start_x, &start_y );
|
|
start_y *= 10;
|
|
|
|
int client_h = 0;
|
|
int client_w = 0;
|
|
GetClientSize( &client_w, &client_h );
|
|
|
|
if (item_y < start_y+3)
|
|
{
|
|
int x = 0;
|
|
int y = 0;
|
|
m_anchor->GetSize( x, y );
|
|
y += 2*m_lineHeight;
|
|
int x_pos = GetScrollPos( wxHORIZONTAL );
|
|
SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
|
|
return;
|
|
}
|
|
|
|
if (item_y > start_y+client_h-16)
|
|
{
|
|
int x = 0;
|
|
int y = 0;
|
|
m_anchor->GetSize( x, y );
|
|
y += 2*m_lineHeight;
|
|
int x_pos = GetScrollPos( wxHORIZONTAL );
|
|
SetScrollbars( 10, 10, x/10, y/10, x_pos, (item_y-client_h/2)/10 );
|
|
return;
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::ScrollTo(const wxTreeItemId& WXUNUSED(item))
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
}
|
|
|
|
wxTextCtrl *wxTreeCtrl::EditLabel( const wxTreeItemId& WXUNUSED(item),
|
|
wxClassInfo* WXUNUSED(textCtrlClass) )
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return (wxTextCtrl*)NULL;
|
|
}
|
|
|
|
wxTextCtrl *wxTreeCtrl::GetEditControl() const
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
|
|
return (wxTextCtrl*)NULL;
|
|
}
|
|
|
|
void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool WXUNUSED(discardChanges))
|
|
{
|
|
wxFAIL_MSG("not implemented");
|
|
}
|
|
|
|
// FIXME: tree sorting functions are not reentrant and not MT-safe!
|
|
static wxTreeCtrl *s_treeBeingSorted = NULL;
|
|
|
|
static int tree_ctrl_compare_func(wxGenericTreeItem **item1,
|
|
wxGenericTreeItem **item2)
|
|
{
|
|
wxCHECK_MSG( s_treeBeingSorted, 0, "bug in wxTreeCtrl::SortChildren()" );
|
|
|
|
return s_treeBeingSorted->OnCompareItems(*item1, *item2);
|
|
}
|
|
|
|
int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
|
|
const wxTreeItemId& item2)
|
|
{
|
|
return strcmp(GetItemText(item1), GetItemText(item2));
|
|
}
|
|
|
|
void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId)
|
|
{
|
|
wxCHECK_RET( itemId.IsOk(), "invalid tree item" );
|
|
|
|
wxGenericTreeItem *item = itemId.m_pItem;
|
|
|
|
wxCHECK_RET( !s_treeBeingSorted,
|
|
"wxTreeCtrl::SortChildren is not reentrant" );
|
|
|
|
wxArrayTreeItems& children = item->GetChildren();
|
|
if ( children.Count() > 1 )
|
|
{
|
|
s_treeBeingSorted = this;
|
|
children.Sort(tree_ctrl_compare_func);
|
|
s_treeBeingSorted = NULL;
|
|
|
|
m_dirty = TRUE;
|
|
}
|
|
//else: don't make the tree dirty as nothing changed
|
|
}
|
|
|
|
wxImageList *wxTreeCtrl::GetImageList() const
|
|
{
|
|
return m_imageListNormal;
|
|
}
|
|
|
|
wxImageList *wxTreeCtrl::GetStateImageList() const
|
|
{
|
|
return m_imageListState;
|
|
}
|
|
|
|
void wxTreeCtrl::SetImageList(wxImageList *imageList)
|
|
{
|
|
m_imageListNormal = imageList;
|
|
}
|
|
|
|
void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
|
|
{
|
|
m_imageListState = imageList;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// helpers
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void wxTreeCtrl::AdjustMyScrollbars()
|
|
{
|
|
if (m_anchor)
|
|
{
|
|
int x = 0;
|
|
int y = 0;
|
|
m_anchor->GetSize( x, y );
|
|
y += 2*m_lineHeight;
|
|
int x_pos = GetScrollPos( wxHORIZONTAL );
|
|
int y_pos = GetScrollPos( wxVERTICAL );
|
|
SetScrollbars( 10, 10, x/10, y/10, x_pos, y_pos );
|
|
}
|
|
else
|
|
{
|
|
SetScrollbars( 0, 0, 0, 0 );
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
|
|
{
|
|
// render bold items in bold
|
|
wxFont fontOld;
|
|
wxFont fontNew;
|
|
|
|
if ( item->IsBold() )
|
|
{
|
|
fontOld = dc.GetFont();
|
|
if (fontOld.Ok())
|
|
{
|
|
// @@ is there any better way to make a bold variant of old font?
|
|
fontNew = wxFont( fontOld.GetPointSize(),
|
|
fontOld.GetFamily(),
|
|
fontOld.GetStyle(),
|
|
wxBOLD,
|
|
fontOld.GetUnderlined());
|
|
dc.SetFont(fontNew);
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG("wxDC::GetFont() failed!");
|
|
}
|
|
}
|
|
|
|
long text_w = 0;
|
|
long text_h = 0;
|
|
dc.GetTextExtent( item->GetText(), &text_w, &text_h );
|
|
|
|
int image_h = 0;
|
|
int image_w = 0;
|
|
if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
|
|
{
|
|
m_imageListNormal->GetSize( item->GetSelectedImage(), image_w, image_h );
|
|
image_w += 4;
|
|
}
|
|
else if (item->GetImage() != -1)
|
|
{
|
|
m_imageListNormal->GetSize( item->GetImage(), image_w, image_h );
|
|
image_w += 4;
|
|
}
|
|
|
|
dc.DrawRectangle( item->GetX()-2, item->GetY()-2, image_w+text_w+4, text_h+4 );
|
|
|
|
if ((item->IsExpanded()) && (item->GetSelectedImage() != -1))
|
|
{
|
|
dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h );
|
|
m_imageListNormal->Draw( item->GetSelectedImage(), dc,
|
|
item->GetX(), item->GetY()-1,
|
|
wxIMAGELIST_DRAW_TRANSPARENT );
|
|
dc.DestroyClippingRegion();
|
|
}
|
|
else if (item->GetImage() != -1)
|
|
{
|
|
dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, text_h );
|
|
m_imageListNormal->Draw( item->GetImage(), dc,
|
|
item->GetX(), item->GetY()-1,
|
|
wxIMAGELIST_DRAW_TRANSPARENT );
|
|
dc.DestroyClippingRegion();
|
|
}
|
|
|
|
dc.DrawText( item->GetText(), image_w + item->GetX(), item->GetY() );
|
|
|
|
// restore normal font for bold items
|
|
if (fontOld.Ok())
|
|
{
|
|
dc.SetFont( fontOld);
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
|
|
{
|
|
int horizX = level*m_indent;
|
|
|
|
item->SetX( horizX+33 );
|
|
item->SetY( y-m_lineHeight/3 );
|
|
item->SetHeight( m_lineHeight );
|
|
|
|
item->SetCross( horizX+15, y );
|
|
|
|
int oldY = y;
|
|
|
|
int exposed_x = dc.LogicalToDeviceX( 0 );
|
|
int exposed_y = dc.LogicalToDeviceY( item->GetY()-2 );
|
|
|
|
if (IsExposed( exposed_x, exposed_y, 10000, m_lineHeight+4 )) // 10000 = very much
|
|
{
|
|
int startX = horizX;
|
|
int endX = horizX + 10;
|
|
|
|
if (!item->HasChildren()) endX += 20;
|
|
|
|
dc.DrawLine( startX, y, endX, y );
|
|
|
|
if (item->HasPlus())
|
|
{
|
|
dc.DrawLine( horizX+20, y, horizX+30, y );
|
|
dc.SetPen( *wxGREY_PEN );
|
|
dc.SetBrush( *wxWHITE_BRUSH );
|
|
dc.DrawRectangle( horizX+10, y-4, 11, 9 );
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
dc.DrawLine( horizX+13, y, horizX+18, y );
|
|
|
|
if (!item->IsExpanded())
|
|
dc.DrawLine( horizX+15, y-2, horizX+15, y+3 );
|
|
}
|
|
|
|
if (item->HasHilight())
|
|
{
|
|
dc.SetTextForeground( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT ) );
|
|
|
|
dc.SetBrush( *m_hilightBrush );
|
|
|
|
if (m_hasFocus)
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
else
|
|
dc.SetPen( *wxTRANSPARENT_PEN );
|
|
|
|
PaintItem(item, dc);
|
|
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
dc.SetTextForeground( *wxBLACK );
|
|
dc.SetBrush( *wxWHITE_BRUSH );
|
|
}
|
|
else
|
|
{
|
|
dc.SetBrush( *wxWHITE_BRUSH );
|
|
dc.SetPen( *wxTRANSPARENT_PEN );
|
|
|
|
PaintItem(item, dc);
|
|
|
|
dc.SetPen( *wxBLACK_PEN );
|
|
}
|
|
}
|
|
|
|
if ( item->IsExpanded() )
|
|
{
|
|
int semiOldY = y;
|
|
|
|
wxArrayTreeItems& children = item->GetChildren();
|
|
size_t count = children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
y += m_lineHeight;
|
|
semiOldY = y;
|
|
|
|
PaintLevel( children[n], dc, level+1, y );
|
|
}
|
|
|
|
// it may happen that the item is expanded but has no items (when you
|
|
// delete all its children for example) - don't draw the vertical line
|
|
// in this case
|
|
if ( count > 0 )
|
|
dc.DrawLine( horizX+15, oldY+5, horizX+15, semiOldY );
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// wxWindows callbacks
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
|
|
{
|
|
if ( !m_anchor )
|
|
return;
|
|
|
|
wxPaintDC dc(this);
|
|
PrepareDC( dc );
|
|
|
|
dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
|
|
|
|
dc.SetPen( m_dottedPen );
|
|
m_lineHeight = (int)(dc.GetCharHeight() + 4);
|
|
|
|
int y = m_lineHeight / 2 + 2;
|
|
PaintLevel( m_anchor, dc, 0, y );
|
|
}
|
|
|
|
void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
|
|
{
|
|
m_hasFocus = TRUE;
|
|
if ( m_current )
|
|
RefreshLine( m_current );
|
|
}
|
|
|
|
void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
|
|
{
|
|
m_hasFocus = FALSE;
|
|
if ( m_current )
|
|
RefreshLine( m_current );
|
|
}
|
|
|
|
void wxTreeCtrl::OnChar( wxKeyEvent &event )
|
|
{
|
|
wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
|
|
te.m_code = event.KeyCode();
|
|
te.SetEventObject( this );
|
|
GetEventHandler()->ProcessEvent( te );
|
|
|
|
if (m_current == 0)
|
|
{
|
|
event.Skip();
|
|
return;
|
|
}
|
|
|
|
switch (event.KeyCode())
|
|
{
|
|
case '+':
|
|
case WXK_ADD:
|
|
if (m_current->HasPlus() && !IsExpanded(m_current))
|
|
{
|
|
Expand(m_current);
|
|
}
|
|
break;
|
|
|
|
case '-':
|
|
case WXK_SUBTRACT:
|
|
if (IsExpanded(m_current))
|
|
{
|
|
Collapse(m_current);
|
|
}
|
|
break;
|
|
|
|
case '*':
|
|
case WXK_MULTIPLY:
|
|
Toggle(m_current);
|
|
break;
|
|
|
|
case ' ':
|
|
case WXK_RETURN:
|
|
{
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
|
|
event.m_item = m_current;
|
|
event.m_code = 0;
|
|
event.SetEventObject( this );
|
|
GetEventHandler()->ProcessEvent( event );
|
|
}
|
|
break;
|
|
|
|
case WXK_UP:
|
|
{
|
|
wxTreeItemId prev = GetPrevSibling( m_current );
|
|
if (!prev)
|
|
{
|
|
prev = GetParent( m_current );
|
|
long cockie = 0;
|
|
wxTreeItemId current = m_current;
|
|
if (current == GetFirstChild( prev, cockie ))
|
|
{
|
|
// otherwise we return to where we came from
|
|
SelectItem( prev );
|
|
EnsureVisible( prev );
|
|
break;
|
|
}
|
|
}
|
|
if (prev)
|
|
{
|
|
while (IsExpanded(prev))
|
|
{
|
|
int c = (int)GetChildrenCount( prev, FALSE );
|
|
long cockie = 0;
|
|
prev = GetFirstChild( prev, cockie );
|
|
for (int i = 0; i < c-1; i++)
|
|
prev = GetNextSibling( prev );
|
|
}
|
|
SelectItem( prev );
|
|
EnsureVisible( prev );
|
|
}
|
|
}
|
|
break;
|
|
case WXK_LEFT:
|
|
{
|
|
wxTreeItemId prev = GetPrevSibling( m_current );
|
|
if (prev != 0)
|
|
{
|
|
SelectItem( prev );
|
|
EnsureVisible( prev );
|
|
}
|
|
else
|
|
{
|
|
prev = GetParent( m_current );
|
|
if (prev)
|
|
{
|
|
EnsureVisible( prev );
|
|
SelectItem( prev );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WXK_RIGHT:
|
|
// this works the same as the down arrow except that we also expand the
|
|
// item if it wasn't expanded yet
|
|
Expand(m_current);
|
|
// fall through
|
|
|
|
case WXK_DOWN:
|
|
{
|
|
if (IsExpanded(m_current))
|
|
{
|
|
long cookie = 0;
|
|
wxTreeItemId child = GetFirstChild( m_current, cookie );
|
|
SelectItem( child );
|
|
EnsureVisible( child );
|
|
}
|
|
else
|
|
{
|
|
wxTreeItemId next = GetNextSibling( m_current );
|
|
if (next == 0)
|
|
{
|
|
wxTreeItemId current = m_current;
|
|
while (current && !next)
|
|
{
|
|
current = GetParent( current );
|
|
if (current) next = GetNextSibling( current );
|
|
}
|
|
}
|
|
if (next != 0)
|
|
{
|
|
SelectItem( next );
|
|
EnsureVisible( next );
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
event.Skip();
|
|
}
|
|
}
|
|
|
|
wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& WXUNUSED(flags))
|
|
{
|
|
bool onButton = FALSE;
|
|
return m_anchor->HitTest( point, onButton );
|
|
}
|
|
|
|
void wxTreeCtrl::OnMouse( wxMouseEvent &event )
|
|
{
|
|
if ( !(event.LeftDown() || event.LeftDClick()) )
|
|
return;
|
|
|
|
if ( !m_anchor )
|
|
return;
|
|
|
|
wxClientDC dc(this);
|
|
PrepareDC(dc);
|
|
long x = dc.DeviceToLogicalX( (long)event.GetX() );
|
|
long y = dc.DeviceToLogicalY( (long)event.GetY() );
|
|
|
|
bool onButton = FALSE;
|
|
wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), onButton );
|
|
if ( item == NULL )
|
|
return;
|
|
|
|
if (!IsSelected(item)) SelectItem(item);
|
|
|
|
if ( event.LeftDClick() )
|
|
{
|
|
wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
|
|
event.m_item = item;
|
|
event.m_code = 0;
|
|
event.SetEventObject( this );
|
|
GetEventHandler()->ProcessEvent( event );
|
|
}
|
|
|
|
if ( onButton )
|
|
{
|
|
Toggle( item );
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::OnIdle( wxIdleEvent &WXUNUSED(event) )
|
|
{
|
|
if (!m_dirty) return;
|
|
|
|
m_dirty = FALSE;
|
|
|
|
CalculatePositions();
|
|
|
|
AdjustMyScrollbars();
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// -----------------------------------------------------------------------------
|
|
void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item,
|
|
wxDC &dc,
|
|
int level,
|
|
int &y )
|
|
{
|
|
int horizX = level*m_indent;
|
|
|
|
item->SetX( horizX+33 );
|
|
item->SetY( y-m_lineHeight/3-2 );
|
|
item->SetHeight( m_lineHeight );
|
|
|
|
// if ( item->IsExpanded() )
|
|
// return;
|
|
if ( !item->IsExpanded() ) // Surely this is correct? JACS
|
|
return;
|
|
|
|
wxArrayTreeItems& children = item->GetChildren();
|
|
size_t count = children.Count();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
y += m_lineHeight;
|
|
CalculateLevel( children[n], dc, level+1, y );
|
|
}
|
|
}
|
|
|
|
void wxTreeCtrl::CalculatePositions()
|
|
{
|
|
if ( !m_anchor )
|
|
return;
|
|
|
|
wxClientDC dc(this);
|
|
PrepareDC( dc );
|
|
|
|
dc.SetFont( wxSystemSettings::GetSystemFont( wxSYS_SYSTEM_FONT ) );
|
|
|
|
dc.SetPen( m_dottedPen );
|
|
m_lineHeight = (int)(dc.GetCharHeight() + 4);
|
|
|
|
int y = m_lineHeight / 2 + 2;
|
|
CalculateLevel( m_anchor, dc, 0, y );
|
|
}
|
|
|
|
void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
|
|
{
|
|
wxClientDC dc(this);
|
|
PrepareDC(dc);
|
|
|
|
int cw = 0;
|
|
int ch = 0;
|
|
GetClientSize( &cw, &ch );
|
|
|
|
wxRect rect;
|
|
rect.x = dc.LogicalToDeviceX( 0 );
|
|
rect.width = cw;
|
|
rect.y = dc.LogicalToDeviceY( item->GetY() );
|
|
rect.height = ch;
|
|
|
|
Refresh( TRUE, &rect );
|
|
|
|
AdjustMyScrollbars();
|
|
}
|
|
|
|
void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
|
|
{
|
|
wxClientDC dc(this);
|
|
PrepareDC( dc );
|
|
|
|
wxRect rect;
|
|
rect.x = dc.LogicalToDeviceX( item->GetX() - 2 );
|
|
rect.y = dc.LogicalToDeviceY( item->GetY() - 2 );
|
|
rect.width = 1000;
|
|
rect.height = dc.GetCharHeight() + 6;
|
|
Refresh( TRUE, &rect );
|
|
}
|
|
|