| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/bmpcbox.h |
| 3 | // Purpose: wxBitmapComboBox base header |
| 4 | // Author: Jaakko Salli |
| 5 | // Modified by: |
| 6 | // Created: Aug-31-2006 |
| 7 | // Copyright: (c) Jaakko Salli |
| 8 | // RCS-ID: $Id$ |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_BMPCBOX_H_BASE_ |
| 13 | #define _WX_BMPCBOX_H_BASE_ |
| 14 | |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | |
| 18 | #if wxUSE_BITMAPCOMBOBOX |
| 19 | |
| 20 | #include "wx/bitmap.h" |
| 21 | |
| 22 | class WXDLLIMPEXP_FWD_CORE wxWindow; |
| 23 | class WXDLLIMPEXP_FWD_CORE wxItemContainer; |
| 24 | |
| 25 | // Define wxBITMAPCOMBOBOX_OWNERDRAWN_BASED for platforms which |
| 26 | // wxBitmapComboBox implementation utilizes ownerdrawn combobox |
| 27 | // (either native or generic). |
| 28 | #if !defined(__WXGTK20__) || defined(__WXUNIVERSAL__) |
| 29 | #define wxBITMAPCOMBOBOX_OWNERDRAWN_BASED |
| 30 | |
| 31 | class WXDLLIMPEXP_FWD_CORE wxDC; |
| 32 | #endif |
| 33 | |
| 34 | extern WXDLLIMPEXP_DATA_ADV(const char) wxBitmapComboBoxNameStr[]; |
| 35 | |
| 36 | |
| 37 | class WXDLLIMPEXP_ADV wxBitmapComboBoxBase |
| 38 | { |
| 39 | public: |
| 40 | // ctors and such |
| 41 | wxBitmapComboBoxBase() { Init(); } |
| 42 | |
| 43 | virtual ~wxBitmapComboBoxBase() { } |
| 44 | |
| 45 | // Sets the image for the given item. |
| 46 | virtual void SetItemBitmap(unsigned int n, const wxBitmap& bitmap) = 0; |
| 47 | |
| 48 | #if !defined(wxBITMAPCOMBOBOX_OWNERDRAWN_BASED) |
| 49 | |
| 50 | // Returns the image of the item with the given index. |
| 51 | virtual wxBitmap GetItemBitmap(unsigned int n) const = 0; |
| 52 | |
| 53 | // Returns size of the image used in list |
| 54 | virtual wxSize GetBitmapSize() const = 0; |
| 55 | |
| 56 | private: |
| 57 | void Init() {} |
| 58 | |
| 59 | #else // wxBITMAPCOMBOBOX_OWNERDRAWN_BASED |
| 60 | |
| 61 | // Returns the image of the item with the given index. |
| 62 | virtual wxBitmap GetItemBitmap(unsigned int n) const; |
| 63 | |
| 64 | // Returns size of the image used in list |
| 65 | virtual wxSize GetBitmapSize() const |
| 66 | { |
| 67 | return m_usedImgSize; |
| 68 | } |
| 69 | |
| 70 | protected: |
| 71 | |
| 72 | // Returns pointer to the combobox item container |
| 73 | virtual wxItemContainer* GetItemContainer() = 0; |
| 74 | |
| 75 | // Return pointer to the owner-drawn combobox control |
| 76 | virtual wxWindow* GetControl() = 0; |
| 77 | |
| 78 | // wxItemContainer functions |
| 79 | void BCBDoClear(); |
| 80 | void BCBDoDeleteOneItem(unsigned int n); |
| 81 | |
| 82 | void DoSetItemBitmap(unsigned int n, const wxBitmap& bitmap); |
| 83 | |
| 84 | void DrawBackground(wxDC& dc, const wxRect& rect, int item, int flags) const; |
| 85 | void DrawItem(wxDC& dc, const wxRect& rect, int item, const wxString& text, |
| 86 | int flags) const; |
| 87 | wxCoord MeasureItem(size_t item) const; |
| 88 | |
| 89 | // Returns true if image size was affected |
| 90 | virtual bool OnAddBitmap(const wxBitmap& bitmap); |
| 91 | |
| 92 | // Recalculates amount of empty space needed in front of text |
| 93 | // in control itself. Returns number that can be passed to |
| 94 | // wxOwnerDrawnComboBox::SetCustomPaintWidth() and similar |
| 95 | // functions. |
| 96 | virtual int DetermineIndent(); |
| 97 | |
| 98 | void UpdateInternals(); |
| 99 | |
| 100 | wxArrayPtrVoid m_bitmaps; // Images associated with items |
| 101 | wxSize m_usedImgSize; // Size of bitmaps |
| 102 | |
| 103 | int m_imgAreaWidth; // Width and height of area next to text field |
| 104 | int m_fontHeight; |
| 105 | int m_indent; |
| 106 | |
| 107 | private: |
| 108 | void Init(); |
| 109 | #endif // !wxBITMAPCOMBOBOX_OWNERDRAWN_BASED/wxBITMAPCOMBOBOX_OWNERDRAWN_BASED |
| 110 | }; |
| 111 | |
| 112 | |
| 113 | #if defined(__WXUNIVERSAL__) |
| 114 | #include "wx/generic/bmpcbox.h" |
| 115 | #elif defined(__WXMSW__) |
| 116 | #include "wx/msw/bmpcbox.h" |
| 117 | #elif defined(__WXGTK20__) |
| 118 | #include "wx/gtk/bmpcbox.h" |
| 119 | #else |
| 120 | #include "wx/generic/bmpcbox.h" |
| 121 | #endif |
| 122 | |
| 123 | #endif // wxUSE_BITMAPCOMBOBOX |
| 124 | |
| 125 | #endif // _WX_BMPCBOX_H_BASE_ |