474 lines
16 KiB
C++
474 lines
16 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/generic/dataview.h
|
|
// Purpose: wxDataViewCtrl generic implementation header
|
|
// Author: Robert Roebling
|
|
// Modified By: Bo Yang
|
|
// Copyright: (c) 1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef __GENERICDATAVIEWCTRLH__
|
|
#define __GENERICDATAVIEWCTRLH__
|
|
|
|
#include "wx/defs.h"
|
|
#include "wx/object.h"
|
|
#include "wx/control.h"
|
|
#include "wx/scrolwin.h"
|
|
#include "wx/icon.h"
|
|
#include "wx/vector.h"
|
|
#if wxUSE_ACCESSIBILITY
|
|
#include "wx/access.h"
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
class WXDLLIMPEXP_FWD_CORE wxDataViewMainWindow;
|
|
class WXDLLIMPEXP_FWD_CORE wxDataViewHeaderWindow;
|
|
#if wxUSE_ACCESSIBILITY
|
|
class WXDLLIMPEXP_FWD_CORE wxDataViewCtrlAccessible;
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewColumn
|
|
// ---------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDataViewColumn : public wxDataViewColumnBase
|
|
{
|
|
public:
|
|
wxDataViewColumn(const wxString& title,
|
|
wxDataViewRenderer *renderer,
|
|
unsigned int model_column,
|
|
int width = wxDVC_DEFAULT_WIDTH,
|
|
wxAlignment align = wxALIGN_CENTER,
|
|
int flags = wxDATAVIEW_COL_RESIZABLE)
|
|
: wxDataViewColumnBase(renderer, model_column),
|
|
m_title(title)
|
|
{
|
|
Init(width, align, flags);
|
|
}
|
|
|
|
wxDataViewColumn(const wxBitmap& bitmap,
|
|
wxDataViewRenderer *renderer,
|
|
unsigned int model_column,
|
|
int width = wxDVC_DEFAULT_WIDTH,
|
|
wxAlignment align = wxALIGN_CENTER,
|
|
int flags = wxDATAVIEW_COL_RESIZABLE)
|
|
: wxDataViewColumnBase(bitmap, renderer, model_column)
|
|
{
|
|
Init(width, align, flags);
|
|
}
|
|
|
|
// implement wxHeaderColumnBase methods
|
|
virtual void SetTitle(const wxString& title) wxOVERRIDE
|
|
{
|
|
m_title = title;
|
|
UpdateWidth();
|
|
}
|
|
virtual wxString GetTitle() const wxOVERRIDE
|
|
{
|
|
return m_title;
|
|
}
|
|
|
|
virtual void SetWidth(int width) wxOVERRIDE
|
|
{
|
|
// Call the actual update method, used for both automatic and "manual"
|
|
// width changes.
|
|
WXUpdateWidth(width);
|
|
|
|
// Do remember the last explicitly set width: this is used to prevent
|
|
// UpdateColumnSizes() from resizing the last column to be smaller than
|
|
// this size.
|
|
m_manuallySetWidth = width;
|
|
}
|
|
virtual int GetWidth() const wxOVERRIDE;
|
|
|
|
virtual void SetMinWidth(int minWidth) wxOVERRIDE
|
|
{
|
|
m_minWidth = minWidth;
|
|
UpdateWidth();
|
|
}
|
|
virtual int GetMinWidth() const wxOVERRIDE
|
|
{
|
|
return m_minWidth;
|
|
}
|
|
|
|
virtual void SetAlignment(wxAlignment align) wxOVERRIDE
|
|
{
|
|
m_align = align;
|
|
UpdateDisplay();
|
|
}
|
|
virtual wxAlignment GetAlignment() const wxOVERRIDE
|
|
{
|
|
return m_align;
|
|
}
|
|
|
|
virtual void SetFlags(int flags) wxOVERRIDE
|
|
{
|
|
m_flags = flags;
|
|
UpdateDisplay();
|
|
}
|
|
virtual int GetFlags() const wxOVERRIDE
|
|
{
|
|
return m_flags;
|
|
}
|
|
|
|
virtual bool IsSortKey() const wxOVERRIDE
|
|
{
|
|
return m_sort;
|
|
}
|
|
|
|
virtual void UnsetAsSortKey() wxOVERRIDE;
|
|
|
|
virtual void SetSortOrder(bool ascending) wxOVERRIDE;
|
|
|
|
virtual bool IsSortOrderAscending() const wxOVERRIDE
|
|
{
|
|
return m_sortAscending;
|
|
}
|
|
|
|
virtual void SetBitmap( const wxBitmap& bitmap ) wxOVERRIDE
|
|
{
|
|
wxDataViewColumnBase::SetBitmap(bitmap);
|
|
UpdateWidth();
|
|
}
|
|
|
|
// This method is specific to the generic implementation and is used only
|
|
// by wxWidgets itself.
|
|
void WXUpdateWidth(int width)
|
|
{
|
|
if ( width == m_width )
|
|
return;
|
|
|
|
m_width = width;
|
|
UpdateWidth();
|
|
}
|
|
|
|
// This method is also internal and called when the column is resized by
|
|
// user interactively.
|
|
void WXOnResize(int width);
|
|
|
|
virtual int WXGetSpecifiedWidth() const wxOVERRIDE;
|
|
|
|
private:
|
|
// common part of all ctors
|
|
void Init(int width, wxAlignment align, int flags);
|
|
|
|
// These methods forward to wxDataViewCtrl::OnColumnChange() and
|
|
// OnColumnWidthChange() respectively, i.e. the latter is stronger than the
|
|
// former.
|
|
void UpdateDisplay();
|
|
void UpdateWidth();
|
|
|
|
// Return the effective value corresponding to the given width, handling
|
|
// its negative values such as wxCOL_WIDTH_DEFAULT.
|
|
int DoGetEffectiveWidth(int width) const;
|
|
|
|
|
|
wxString m_title;
|
|
int m_width,
|
|
m_manuallySetWidth,
|
|
m_minWidth;
|
|
wxAlignment m_align;
|
|
int m_flags;
|
|
bool m_sort,
|
|
m_sortAscending;
|
|
|
|
friend class wxDataViewHeaderWindowBase;
|
|
friend class wxDataViewHeaderWindow;
|
|
friend class wxDataViewHeaderWindowMSW;
|
|
};
|
|
|
|
// ---------------------------------------------------------
|
|
// wxDataViewCtrl
|
|
// ---------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDataViewCtrl : public wxDataViewCtrlBase,
|
|
public wxScrollHelper
|
|
{
|
|
friend class wxDataViewMainWindow;
|
|
friend class wxDataViewHeaderWindowBase;
|
|
friend class wxDataViewHeaderWindow;
|
|
friend class wxDataViewHeaderWindowMSW;
|
|
friend class wxDataViewColumn;
|
|
#if wxUSE_ACCESSIBILITY
|
|
friend class wxDataViewCtrlAccessible;
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
public:
|
|
wxDataViewCtrl() : wxScrollHelper(this)
|
|
{
|
|
Init();
|
|
}
|
|
|
|
wxDataViewCtrl( wxWindow *parent, wxWindowID id,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize, long style = 0,
|
|
const wxValidator& validator = wxDefaultValidator,
|
|
const wxString& name = wxASCII_STR(wxDataViewCtrlNameStr) )
|
|
: wxScrollHelper(this)
|
|
{
|
|
Create(parent, id, pos, size, style, validator, name);
|
|
}
|
|
|
|
virtual ~wxDataViewCtrl();
|
|
|
|
void Init();
|
|
|
|
bool Create(wxWindow *parent, wxWindowID id,
|
|
const wxPoint& pos = wxDefaultPosition,
|
|
const wxSize& size = wxDefaultSize, long style = 0,
|
|
const wxValidator& validator = wxDefaultValidator,
|
|
const wxString& name = wxASCII_STR(wxDataViewCtrlNameStr));
|
|
|
|
virtual bool AssociateModel( wxDataViewModel *model ) wxOVERRIDE;
|
|
|
|
virtual bool AppendColumn( wxDataViewColumn *col ) wxOVERRIDE;
|
|
virtual bool PrependColumn( wxDataViewColumn *col ) wxOVERRIDE;
|
|
virtual bool InsertColumn( unsigned int pos, wxDataViewColumn *col ) wxOVERRIDE;
|
|
|
|
virtual void DoSetExpanderColumn() wxOVERRIDE;
|
|
virtual void DoSetIndent() wxOVERRIDE;
|
|
|
|
virtual unsigned int GetColumnCount() const wxOVERRIDE;
|
|
virtual wxDataViewColumn* GetColumn( unsigned int pos ) const wxOVERRIDE;
|
|
virtual bool DeleteColumn( wxDataViewColumn *column ) wxOVERRIDE;
|
|
virtual bool ClearColumns() wxOVERRIDE;
|
|
virtual int GetColumnPosition( const wxDataViewColumn *column ) const wxOVERRIDE;
|
|
|
|
virtual wxDataViewColumn *GetSortingColumn() const wxOVERRIDE;
|
|
virtual wxVector<wxDataViewColumn *> GetSortingColumns() const wxOVERRIDE;
|
|
|
|
virtual wxDataViewItem GetTopItem() const wxOVERRIDE;
|
|
virtual int GetCountPerPage() const wxOVERRIDE;
|
|
|
|
virtual int GetSelectedItemsCount() const wxOVERRIDE;
|
|
virtual int GetSelections( wxDataViewItemArray & sel ) const wxOVERRIDE;
|
|
virtual void SetSelections( const wxDataViewItemArray & sel ) wxOVERRIDE;
|
|
virtual void Select( const wxDataViewItem & item ) wxOVERRIDE;
|
|
virtual void Unselect( const wxDataViewItem & item ) wxOVERRIDE;
|
|
virtual bool IsSelected( const wxDataViewItem & item ) const wxOVERRIDE;
|
|
|
|
virtual void SelectAll() wxOVERRIDE;
|
|
virtual void UnselectAll() wxOVERRIDE;
|
|
|
|
virtual void EnsureVisible( const wxDataViewItem & item,
|
|
const wxDataViewColumn *column = NULL ) wxOVERRIDE;
|
|
virtual void HitTest( const wxPoint & point, wxDataViewItem & item,
|
|
wxDataViewColumn* &column ) const wxOVERRIDE;
|
|
virtual wxRect GetItemRect( const wxDataViewItem & item,
|
|
const wxDataViewColumn *column = NULL ) const wxOVERRIDE;
|
|
|
|
virtual bool SetRowHeight( int rowHeight ) wxOVERRIDE;
|
|
|
|
virtual void Collapse( const wxDataViewItem & item ) wxOVERRIDE;
|
|
virtual bool IsExpanded( const wxDataViewItem & item ) const wxOVERRIDE;
|
|
|
|
virtual void SetFocus() wxOVERRIDE;
|
|
|
|
virtual bool SetFont(const wxFont & font) wxOVERRIDE;
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
virtual bool Show(bool show = true) wxOVERRIDE;
|
|
virtual void SetName(const wxString &name) wxOVERRIDE;
|
|
virtual bool Reparent(wxWindowBase *newParent) wxOVERRIDE;
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
virtual bool Enable(bool enable = true) wxOVERRIDE;
|
|
|
|
virtual bool AllowMultiColumnSort(bool allow) wxOVERRIDE;
|
|
virtual bool IsMultiColumnSortAllowed() const wxOVERRIDE { return m_allowMultiColumnSort; }
|
|
virtual void ToggleSortByColumn(int column) wxOVERRIDE;
|
|
|
|
#if wxUSE_DRAG_AND_DROP
|
|
virtual bool EnableDragSource( const wxDataFormat &format ) wxOVERRIDE;
|
|
virtual bool EnableDropTarget( const wxDataFormat &format ) wxOVERRIDE;
|
|
#endif // wxUSE_DRAG_AND_DROP
|
|
|
|
virtual wxBorder GetDefaultBorder() const wxOVERRIDE;
|
|
|
|
virtual void EditItem(const wxDataViewItem& item, const wxDataViewColumn *column) wxOVERRIDE;
|
|
|
|
virtual bool SetHeaderAttr(const wxItemAttr& attr) wxOVERRIDE;
|
|
|
|
virtual bool SetAlternateRowColour(const wxColour& colour) wxOVERRIDE;
|
|
|
|
// This method is specific to generic wxDataViewCtrl implementation and
|
|
// should not be used in portable code.
|
|
wxColour GetAlternateRowColour() const { return m_alternateRowColour; }
|
|
|
|
// The returned pointer is null if the control has wxDV_NO_HEADER style.
|
|
//
|
|
// This method is only available in the generic versions.
|
|
wxHeaderCtrl* GenericGetHeader() const;
|
|
|
|
protected:
|
|
void EnsureVisibleRowCol( int row, int column );
|
|
|
|
// Notice that row here may be invalid (i.e. >= GetRowCount()), this is not
|
|
// an error and this function simply returns an invalid item in this case.
|
|
wxDataViewItem GetItemByRow( unsigned int row ) const;
|
|
int GetRowByItem( const wxDataViewItem & item ) const;
|
|
|
|
// Mark the column as being used or not for sorting.
|
|
void UseColumnForSorting(int idx);
|
|
void DontUseColumnForSorting(int idx);
|
|
|
|
// Return true if the given column is sorted
|
|
bool IsColumnSorted(int idx) const;
|
|
|
|
// Reset all columns currently used for sorting.
|
|
void ResetAllSortColumns();
|
|
|
|
virtual void DoEnableSystemTheme(bool enable, wxWindow* window) wxOVERRIDE;
|
|
|
|
void OnDPIChanged(wxDPIChangedEvent& event);
|
|
|
|
public: // utility functions not part of the API
|
|
|
|
// returns the "best" width for the idx-th column
|
|
unsigned int GetBestColumnWidth(int idx) const;
|
|
|
|
// called by header window after reorder
|
|
void ColumnMoved( wxDataViewColumn* col, unsigned int new_pos );
|
|
|
|
// update the display after a change to an individual column
|
|
void OnColumnChange(unsigned int idx);
|
|
|
|
// update after the column width changes due to interactive resizing
|
|
void OnColumnResized();
|
|
|
|
// update after the column width changes because of e.g. title or bitmap
|
|
// change, invalidates the column best width and calls OnColumnChange()
|
|
void OnColumnWidthChange(unsigned int idx);
|
|
|
|
// update after a change to the number of columns
|
|
void OnColumnsCountChanged();
|
|
|
|
wxWindow *GetMainWindow() { return (wxWindow*) m_clientArea; }
|
|
|
|
// return the index of the given column in m_cols
|
|
int GetColumnIndex(const wxDataViewColumn *column) const;
|
|
|
|
// Return the index of the column having the given model index.
|
|
int GetModelColumnIndex(unsigned int model_column) const;
|
|
|
|
// return the column displayed at the given position in the control
|
|
wxDataViewColumn *GetColumnAt(unsigned int pos) const;
|
|
|
|
virtual wxDataViewColumn *GetCurrentColumn() const wxOVERRIDE;
|
|
|
|
virtual void OnInternalIdle() wxOVERRIDE;
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
virtual wxAccessible* CreateAccessible() wxOVERRIDE;
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
private:
|
|
virtual wxDataViewItem DoGetCurrentItem() const wxOVERRIDE;
|
|
virtual void DoSetCurrentItem(const wxDataViewItem& item) wxOVERRIDE;
|
|
|
|
virtual void DoExpand(const wxDataViewItem& item) wxOVERRIDE;
|
|
|
|
void InvalidateColBestWidths();
|
|
void InvalidateColBestWidth(int idx);
|
|
void UpdateColWidths();
|
|
|
|
void DoClearColumns();
|
|
|
|
wxVector<wxDataViewColumn*> m_cols;
|
|
// cached column best widths information, values are for
|
|
// respective columns from m_cols and the arrays have same size
|
|
struct CachedColWidthInfo
|
|
{
|
|
CachedColWidthInfo() : width(0), dirty(true) {}
|
|
int width; // cached width or 0 if not computed
|
|
bool dirty; // column was invalidated, header needs updating
|
|
};
|
|
wxVector<CachedColWidthInfo> m_colsBestWidths;
|
|
// This indicates that at least one entry in m_colsBestWidths has 'dirty'
|
|
// flag set. It's cheaper to check one flag in OnInternalIdle() than to
|
|
// iterate over m_colsBestWidths to check if anything needs to be done.
|
|
bool m_colsDirty;
|
|
|
|
wxDataViewModelNotifier *m_notifier;
|
|
wxDataViewMainWindow *m_clientArea;
|
|
wxDataViewHeaderWindow *m_headerArea;
|
|
|
|
// user defined color to draw row lines, may be invalid
|
|
wxColour m_alternateRowColour;
|
|
|
|
// columns indices used for sorting, empty if nothing is sorted
|
|
wxVector<int> m_sortingColumnIdxs;
|
|
|
|
// if true, allow sorting by more than one column
|
|
bool m_allowMultiColumnSort;
|
|
|
|
private:
|
|
void OnSize( wxSizeEvent &event );
|
|
virtual wxSize GetSizeAvailableForScrollTarget(const wxSize& size) wxOVERRIDE;
|
|
|
|
// we need to return a special WM_GETDLGCODE value to process just the
|
|
// arrows but let the other navigation characters through
|
|
#ifdef __WXMSW__
|
|
virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) wxOVERRIDE;
|
|
#endif // __WXMSW__
|
|
|
|
WX_FORWARD_TO_SCROLL_HELPER()
|
|
|
|
private:
|
|
wxDECLARE_DYNAMIC_CLASS(wxDataViewCtrl);
|
|
wxDECLARE_NO_COPY_CLASS(wxDataViewCtrl);
|
|
wxDECLARE_EVENT_TABLE();
|
|
};
|
|
|
|
#if wxUSE_ACCESSIBILITY
|
|
//-----------------------------------------------------------------------------
|
|
// wxDataViewCtrlAccessible
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxDataViewCtrlAccessible: public wxWindowAccessible
|
|
{
|
|
public:
|
|
wxDataViewCtrlAccessible(wxDataViewCtrl* win);
|
|
virtual ~wxDataViewCtrlAccessible() {}
|
|
|
|
virtual wxAccStatus HitTest(const wxPoint& pt, int* childId,
|
|
wxAccessible** childObject) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetLocation(wxRect& rect, int elementId) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus Navigate(wxNavDir navDir, int fromId,
|
|
int* toId, wxAccessible** toObject) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetName(int childId, wxString* name) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetChildCount(int* childCount) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetChild(int childId, wxAccessible** child) wxOVERRIDE;
|
|
|
|
// wxWindowAccessible::GetParent() implementation is enough.
|
|
// virtual wxAccStatus GetParent(wxAccessible** parent) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus DoDefaultAction(int childId) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetDescription(int childId, wxString* description) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetHelpText(int childId, wxString* helpText) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetRole(int childId, wxAccRole* role) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetState(int childId, long* state) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetValue(int childId, wxString* strValue) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetFocus(int* childId, wxAccessible** child) wxOVERRIDE;
|
|
|
|
virtual wxAccStatus GetSelections(wxVariant* selections) wxOVERRIDE;
|
|
};
|
|
#endif // wxUSE_ACCESSIBILITY
|
|
|
|
#endif // __GENERICDATAVIEWCTRLH__
|