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