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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 | #endif | |
31 | ||
32 | extern WXDLLIMPEXP_DATA_ADV(const char) wxBitmapComboBoxNameStr[]; | |
33 | ||
34 | ||
35 | class WXDLLIMPEXP_ADV wxBitmapComboBoxBase | |
36 | { | |
37 | public: | |
38 | // ctors and such | |
39 | wxBitmapComboBoxBase() { Init(); } | |
40 | ||
41 | virtual ~wxBitmapComboBoxBase() { } | |
42 | ||
43 | // Sets the image for the given item. | |
44 | virtual void SetItemBitmap(unsigned int n, const wxBitmap& bitmap) = 0; | |
45 | ||
46 | #if !defined(wxBITMAPCOMBOBOX_OWNERDRAWN_BASED) | |
47 | ||
48 | // Returns the image of the item with the given index. | |
49 | virtual wxBitmap GetItemBitmap(unsigned int n) const = 0; | |
50 | ||
51 | // Returns size of the image used in list | |
52 | virtual wxSize GetBitmapSize() const = 0; | |
53 | ||
54 | private: | |
55 | void Init() {} | |
56 | ||
57 | #else // wxBITMAPCOMBOBOX_OWNERDRAWN_BASED | |
58 | ||
59 | // Returns the image of the item with the given index. | |
60 | virtual wxBitmap GetItemBitmap(unsigned int n) const; | |
61 | ||
62 | // Returns size of the image used in list | |
63 | virtual wxSize GetBitmapSize() const | |
64 | { | |
65 | return m_usedImgSize; | |
66 | } | |
67 | ||
68 | protected: | |
69 | ||
70 | // Returns pointer to the combobox item container | |
71 | virtual wxItemContainer* GetItemContainer() = 0; | |
72 | ||
73 | // Return pointer to the owner-drawn combobox control | |
74 | virtual wxWindow* GetControl() = 0; | |
75 | ||
76 | // wxItemContainer functions | |
77 | void BCBDoClear(); | |
78 | void BCBDoDeleteOneItem(unsigned int n); | |
79 | ||
80 | void DoSetItemBitmap(unsigned int n, const wxBitmap& bitmap); | |
81 | ||
82 | void DrawBackground(wxDC& dc, const wxRect& rect, int item, int flags) const; | |
83 | void DrawItem(wxDC& dc, const wxRect& rect, int item, const wxString& text, | |
84 | int flags) const; | |
85 | wxCoord MeasureItem(size_t item) const; | |
86 | ||
87 | // Returns true if image size was affected | |
88 | virtual bool OnAddBitmap(const wxBitmap& bitmap); | |
89 | ||
90 | // Recalculates amount of empty space needed in front of text | |
91 | // in control itself. Returns number that can be passed to | |
92 | // wxOwnerDrawnComboBox::SetCustomPaintWidth() and similar | |
93 | // functions. | |
94 | virtual int DetermineIndent(); | |
95 | ||
96 | void UpdateInternals(); | |
97 | ||
98 | wxArrayPtrVoid m_bitmaps; // Images associated with items | |
99 | wxSize m_usedImgSize; // Size of bitmaps | |
100 | ||
101 | int m_imgAreaWidth; // Width and height of area next to text field | |
102 | int m_fontHeight; | |
103 | int m_indent; | |
104 | ||
105 | private: | |
106 | void Init(); | |
107 | #endif // !wxBITMAPCOMBOBOX_OWNERDRAWN_BASED/wxBITMAPCOMBOBOX_OWNERDRAWN_BASED | |
108 | }; | |
109 | ||
110 | ||
111 | #if defined(__WXUNIVERSAL__) | |
112 | #include "wx/generic/bmpcbox.h" | |
113 | #elif defined(__WXMSW__) | |
114 | #include "wx/msw/bmpcbox.h" | |
115 | #elif defined(__WXGTK20__) | |
116 | #include "wx/gtk/bmpcbox.h" | |
117 | #else | |
118 | #include "wx/generic/bmpcbox.h" | |
119 | #endif | |
120 | ||
121 | #endif // wxUSE_BITMAPCOMBOBOX | |
122 | ||
123 | #endif // _WX_BMPCBOX_H_BASE_ |