wxWidgets/include/wx/bmpcbox.h

124 lines
3.4 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/bmpcbox.h
// Purpose: wxBitmapComboBox base header
// Author: Jaakko Salli
// Modified by:
// Created: Aug-31-2006
// Copyright: (c) Jaakko Salli
// RCS-ID: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_BMPCBOX_H_BASE_
#define _WX_BMPCBOX_H_BASE_
#include "wx/defs.h"
#if wxUSE_BITMAPCOMBOBOX
#include "wx/bitmap.h"
#include "wx/window.h"
class WXDLLIMPEXP_FWD_CORE wxItemContainer;
// Define wxBITMAPCOMBOBOX_OWNERDRAWN_BASED for platforms which
// wxBitmapComboBox implementation utilizes ownerdrawn combobox
// (either native or generic).
#if !defined(__WXGTK20__) || defined(__WXUNIVERSAL__)
#define wxBITMAPCOMBOBOX_OWNERDRAWN_BASED
#endif
extern WXDLLIMPEXP_DATA_ADV(const char) wxBitmapComboBoxNameStr[];
class WXDLLIMPEXP_ADV wxBitmapComboBoxBase
{
public:
// ctors and such
wxBitmapComboBoxBase() { Init(); }
virtual ~wxBitmapComboBoxBase() { }
// Sets the image for the given item.
virtual void SetItemBitmap(unsigned int n, const wxBitmap& bitmap) = 0;
#if !defined(wxBITMAPCOMBOBOX_OWNERDRAWN_BASED)
// Returns the image of the item with the given index.
virtual wxBitmap GetItemBitmap(unsigned int n) const = 0;
// Returns size of the image used in list
virtual wxSize GetBitmapSize() const = 0;
private:
void Init() {}
#else // wxBITMAPCOMBOBOX_OWNERDRAWN_BASED
// Returns the image of the item with the given index.
virtual wxBitmap GetItemBitmap(unsigned int n) const;
// Returns size of the image used in list
virtual wxSize GetBitmapSize() const
{
return m_usedImgSize;
}
protected:
// Returns pointer to the combobox item container
virtual wxItemContainer* GetItemContainer() = 0;
// Return pointer to the owner-drawn combobox control
virtual wxWindow* GetControl() = 0;
// wxItemContainer functions
void BCBDoClear();
void BCBDoDeleteOneItem(unsigned int n);
void DoSetItemBitmap(unsigned int n, const wxBitmap& bitmap);
void DrawBackground(wxDC& dc, const wxRect& rect, int item, int flags) const;
void DrawItem(wxDC& dc, const wxRect& rect, int item, const wxString& text,
int flags) const;
wxCoord MeasureItem(size_t item) const;
// Returns true if image size was affected
virtual bool OnAddBitmap(const wxBitmap& bitmap);
// Recalculates amount of empty space needed in front of text
// in control itself. Returns number that can be passed to
// wxOwnerDrawnComboBox::SetCustomPaintWidth() and similar
// functions.
virtual int DetermineIndent();
void UpdateInternals();
wxArrayPtrVoid m_bitmaps; // Images associated with items
wxSize m_usedImgSize; // Size of bitmaps
int m_imgAreaWidth; // Width and height of area next to text field
int m_fontHeight;
int m_indent;
private:
void Init();
#endif // !wxBITMAPCOMBOBOX_OWNERDRAWN_BASED/wxBITMAPCOMBOBOX_OWNERDRAWN_BASED
};
#if defined(__WXUNIVERSAL__)
#include "wx/generic/bmpcbox.h"
#elif defined(__WXMSW__)
#include "wx/msw/bmpcbox.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/bmpcbox.h"
#else
#include "wx/generic/bmpcbox.h"
#endif
#endif // wxUSE_BITMAPCOMBOBOX
#endif // _WX_BMPCBOX_H_BASE_