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renamed wxWindow::Clear() to ClearBackground() (fixes bug 783576)
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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: gdicmn.h
3 // Purpose: Common GDI classes, types and declarations
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c)
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_GDICMNH__
13 #define _WX_GDICMNH__
14
15 // ---------------------------------------------------------------------------
16 // headers
17 // ---------------------------------------------------------------------------
18
19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
20 #pragma interface "gdicmn.h"
21 #endif
22
23 #include "wx/setup.h"
24 #include "wx/list.h"
25 #include "wx/string.h"
26 #include "wx/fontenc.h"
27
28 // ---------------------------------------------------------------------------
29 // forward declarations
30 // ---------------------------------------------------------------------------
31
32 class WXDLLEXPORT wxBitmap;
33 class WXDLLEXPORT wxBrush;
34 class WXDLLEXPORT wxColour;
35 class WXDLLEXPORT wxCursor;
36 class WXDLLEXPORT wxFont;
37 class WXDLLEXPORT wxIcon;
38 class WXDLLEXPORT wxPalette;
39 class WXDLLEXPORT wxPen;
40 class WXDLLEXPORT wxRegion;
41 class WXDLLEXPORT wxString;
42
43 // ---------------------------------------------------------------------------
44 // constants
45 // ---------------------------------------------------------------------------
46
47 // Bitmap flags
48 enum wxBitmapType
49 {
50 wxBITMAP_TYPE_INVALID, // should be == 0 for compatibility!
51 wxBITMAP_TYPE_BMP,
52 wxBITMAP_TYPE_BMP_RESOURCE,
53 wxBITMAP_TYPE_RESOURCE = wxBITMAP_TYPE_BMP_RESOURCE,
54 wxBITMAP_TYPE_ICO,
55 wxBITMAP_TYPE_ICO_RESOURCE,
56 wxBITMAP_TYPE_CUR,
57 wxBITMAP_TYPE_CUR_RESOURCE,
58 wxBITMAP_TYPE_XBM,
59 wxBITMAP_TYPE_XBM_DATA,
60 wxBITMAP_TYPE_XPM,
61 wxBITMAP_TYPE_XPM_DATA,
62 wxBITMAP_TYPE_TIF,
63 wxBITMAP_TYPE_TIF_RESOURCE,
64 wxBITMAP_TYPE_GIF,
65 wxBITMAP_TYPE_GIF_RESOURCE,
66 wxBITMAP_TYPE_PNG,
67 wxBITMAP_TYPE_PNG_RESOURCE,
68 wxBITMAP_TYPE_JPEG,
69 wxBITMAP_TYPE_JPEG_RESOURCE,
70 wxBITMAP_TYPE_PNM,
71 wxBITMAP_TYPE_PNM_RESOURCE,
72 wxBITMAP_TYPE_PCX,
73 wxBITMAP_TYPE_PCX_RESOURCE,
74 wxBITMAP_TYPE_PICT,
75 wxBITMAP_TYPE_PICT_RESOURCE,
76 wxBITMAP_TYPE_ICON,
77 wxBITMAP_TYPE_ICON_RESOURCE,
78 wxBITMAP_TYPE_ANI,
79 wxBITMAP_TYPE_IFF,
80 wxBITMAP_TYPE_MACCURSOR,
81 wxBITMAP_TYPE_MACCURSOR_RESOURCE,
82 wxBITMAP_TYPE_ANY = 50
83 };
84
85 // Standard cursors
86 enum wxStockCursor
87 {
88 wxCURSOR_NONE, // should be 0
89 wxCURSOR_ARROW,
90 wxCURSOR_RIGHT_ARROW,
91 wxCURSOR_BULLSEYE,
92 wxCURSOR_CHAR,
93 wxCURSOR_CROSS,
94 wxCURSOR_HAND,
95 wxCURSOR_IBEAM,
96 wxCURSOR_LEFT_BUTTON,
97 wxCURSOR_MAGNIFIER,
98 wxCURSOR_MIDDLE_BUTTON,
99 wxCURSOR_NO_ENTRY,
100 wxCURSOR_PAINT_BRUSH,
101 wxCURSOR_PENCIL,
102 wxCURSOR_POINT_LEFT,
103 wxCURSOR_POINT_RIGHT,
104 wxCURSOR_QUESTION_ARROW,
105 wxCURSOR_RIGHT_BUTTON,
106 wxCURSOR_SIZENESW,
107 wxCURSOR_SIZENS,
108 wxCURSOR_SIZENWSE,
109 wxCURSOR_SIZEWE,
110 wxCURSOR_SIZING,
111 wxCURSOR_SPRAYCAN,
112 wxCURSOR_WAIT,
113 wxCURSOR_WATCH,
114 wxCURSOR_BLANK,
115 #ifdef __WXGTK__
116 wxCURSOR_DEFAULT, // standard X11 cursor
117 #endif
118 #ifdef __WXMAC__
119 wxCURSOR_COPY_ARROW , // MacOS Theme Plus arrow
120 #endif
121 #ifdef __X__
122 // Not yet implemented for Windows
123 wxCURSOR_CROSS_REVERSE,
124 wxCURSOR_DOUBLE_ARROW,
125 wxCURSOR_BASED_ARROW_UP,
126 wxCURSOR_BASED_ARROW_DOWN,
127 #endif // X11
128
129 wxCURSOR_ARROWWAIT,
130
131 wxCURSOR_MAX
132 };
133
134 #ifndef __WXGTK__
135 #define wxCURSOR_DEFAULT wxCURSOR_ARROW
136 #endif
137
138 // ---------------------------------------------------------------------------
139 // macros
140 // ---------------------------------------------------------------------------
141
142 /* Useful macro for creating icons portably, for example:
143
144 wxIcon *icon = new wxICON(mondrian);
145
146 expands into:
147
148 wxIcon *icon = new wxIcon("mondrian"); // On wxMSW
149 wxIcon *icon = new wxIcon(mondrian_xpm); // On wxGTK
150 */
151
152 #ifdef __WXMSW__
153 // Load from a resource
154 #define wxICON(X) wxIcon(wxT(#X))
155 #elif defined(__WXPM__)
156 // Load from a resource
157 #define wxICON(X) wxIcon(wxT(#X))
158 #elif defined(__WXMGL__)
159 // Initialize from an included XPM
160 #define wxICON(X) wxIcon( (const char**) X##_xpm )
161 #elif defined(__WXGTK__)
162 // Initialize from an included XPM
163 #define wxICON(X) wxIcon( (const char**) X##_xpm )
164 #elif defined(__WXMAC__)
165 // Initialize from an included XPM
166 #define wxICON(X) wxIcon( (const char**) X##_xpm )
167 #elif defined(__WXMOTIF__)
168 // Initialize from an included XPM
169 #define wxICON(X) wxIcon( X##_xpm )
170 #elif defined(__WXX11__)
171 // Initialize from an included XPM
172 #define wxICON(X) wxIcon( X##_xpm )
173 #else
174 // This will usually mean something on any platform
175 #define wxICON(X) wxIcon(wxT(#X))
176 #endif // platform
177
178 /* Another macro: this one is for portable creation of bitmaps. We assume that
179 under Unix bitmaps live in XPMs and under Windows they're in ressources.
180 */
181
182 #if defined(__WXMSW__) || defined(__WXPM__)
183 #define wxBITMAP(name) wxBitmap(wxT(#name), wxBITMAP_TYPE_RESOURCE)
184 #elif defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXX11__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXCOCOA__)
185 // Initialize from an included XPM
186 #define wxBITMAP(name) wxBitmap( (const char**) name##_xpm )
187 #else // other platforms
188 #define wxBITMAP(name) wxBitmap(name##_xpm, wxBITMAP_TYPE_XPM)
189 #endif // platform
190
191 // ===========================================================================
192 // classes
193 // ===========================================================================
194
195 // ---------------------------------------------------------------------------
196 // wxSize
197 // ---------------------------------------------------------------------------
198
199 class WXDLLEXPORT wxSize
200 {
201 public:
202 // members are public for compatibility, don't use them directly.
203 int x, y;
204
205 // constructors
206 wxSize() : x(0), y(0) { }
207 wxSize(int xx, int yy) : x(xx), y(yy) { }
208
209 // no copy ctor or assignment operator - the defaults are ok
210
211 bool operator==(const wxSize& sz) const { return x == sz.x && y == sz.y; }
212 bool operator!=(const wxSize& sz) const { return x != sz.x || y != sz.y; }
213
214 // FIXME are these really useful? If they're, we should have += &c as well
215 wxSize operator+(const wxSize& sz) { return wxSize(x + sz.x, y + sz.y); }
216 wxSize operator-(const wxSize& sz) { return wxSize(x - sz.x, y - sz.y); }
217
218 void IncTo(const wxSize& sz)
219 { if ( sz.x > x ) x = sz.x; if ( sz.y > y ) y = sz.y; }
220 void DecTo(const wxSize& sz)
221 { if ( sz.x < x ) x = sz.x; if ( sz.y < y ) y = sz.y; }
222
223 // accessors
224 void Set(int xx, int yy) { x = xx; y = yy; }
225 void SetWidth(int w) { x = w; }
226 void SetHeight(int h) { y = h; }
227
228 int GetWidth() const { return x; }
229 int GetHeight() const { return y; }
230
231 // compatibility
232 int GetX() const { return x; }
233 int GetY() const { return y; }
234 };
235
236 // ---------------------------------------------------------------------------
237 // Point classes: with real or integer coordinates
238 // ---------------------------------------------------------------------------
239
240 class WXDLLEXPORT wxRealPoint
241 {
242 public:
243 double x;
244 double y;
245
246 wxRealPoint() : x(0.0), y(0.0) { }
247 wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
248
249 wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
250 wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
251
252 bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
253 bool operator!=(const wxRealPoint& pt) const { return x != pt.x || y != pt.y; }
254 };
255
256 class WXDLLEXPORT wxPoint
257 {
258 public:
259 int x, y;
260
261 wxPoint() : x(0), y(0) { }
262 wxPoint(int xx, int yy) : x(xx), y(yy) { }
263
264 // no copy ctor or assignment operator - the defaults are ok
265
266 // comparison
267 bool operator==(const wxPoint& p) const { return x == p.x && y == p.y; }
268 bool operator!=(const wxPoint& p) const { return !(*this == p); }
269
270 // arithmetic operations (component wise)
271 wxPoint operator+(const wxPoint& p) const { return wxPoint(x + p.x, y + p.y); }
272 wxPoint operator-(const wxPoint& p) const { return wxPoint(x - p.x, y - p.y); }
273
274 wxPoint& operator+=(const wxPoint& p) { x += p.x; y += p.y; return *this; }
275 wxPoint& operator-=(const wxPoint& p) { x -= p.x; y -= p.y; return *this; }
276 };
277
278 #if WXWIN_COMPATIBILITY
279 #define wxIntPoint wxPoint
280 #define wxRectangle wxRect
281 #endif // WXWIN_COMPATIBILITY
282
283 // ---------------------------------------------------------------------------
284 // wxRect
285 // ---------------------------------------------------------------------------
286
287 class WXDLLEXPORT wxRect
288 {
289 public:
290 wxRect()
291 : x(0), y(0), width(0), height(0)
292 { }
293 wxRect(int xx, int yy, int ww, int hh)
294 : x(xx), y(yy), width(ww), height(hh)
295 { }
296 wxRect(const wxPoint& topLeft, const wxPoint& bottomRight);
297 wxRect(const wxPoint& pos, const wxSize& size);
298
299 // default copy ctor and assignment operators ok
300
301 int GetX() const { return x; }
302 void SetX(int xx) { x = xx; }
303
304 int GetY() const { return y; }
305 void SetY(int yy) { y = yy; }
306
307 int GetWidth() const { return width; }
308 void SetWidth(int w) { width = w; }
309
310 int GetHeight() const { return height; }
311 void SetHeight(int h) { height = h; }
312
313 wxPoint GetPosition() const { return wxPoint(x, y); }
314 void SetPosition( const wxPoint &p ) { x = p.x; y = p.y; }
315
316 wxSize GetSize() const { return wxSize(width, height); }
317 void SetSize( const wxSize &s ) { width = s.GetWidth(); height = s.GetHeight(); }
318
319 int GetLeft() const { return x; }
320 int GetTop() const { return y; }
321 int GetBottom() const { return y + height - 1; }
322 int GetRight() const { return x + width - 1; }
323
324 void SetLeft(int left) { x = left; }
325 void SetRight(int right) { width = right - x + 1; }
326 void SetTop(int top) { y = top; }
327 void SetBottom(int bottom) { height = bottom - y + 1; }
328
329 // operations with rect
330 wxRect& Inflate(wxCoord dx, wxCoord dy);
331 wxRect& Inflate(wxCoord d) { return Inflate(d, d); }
332 wxRect Inflate(wxCoord dx, wxCoord dy) const
333 {
334 wxRect r = *this;
335 r.Inflate(dx, dy);
336 return r;
337 }
338
339 wxRect& Deflate(wxCoord dx, wxCoord dy) { return Inflate(-dx, -dy); }
340 wxRect& Deflate(wxCoord d) { return Inflate(-d); }
341 wxRect Deflate(wxCoord dx, wxCoord dy) const
342 {
343 wxRect r = *this;
344 r.Deflate(dx, dy);
345 return r;
346 }
347
348 void Offset(wxCoord dx, wxCoord dy) { x += dx; y += dy; }
349 void Offset(const wxPoint& pt) { Offset(pt.x, pt.y); }
350
351 wxRect& Intersect(const wxRect& rect);
352 wxRect Intersect(const wxRect& rect) const
353 {
354 wxRect r = *this;
355 r.Intersect(rect);
356 return r;
357 }
358
359 wxRect operator+(const wxRect& rect) const;
360 wxRect& operator+=(const wxRect& rect);
361
362 // compare rectangles
363 bool operator==(const wxRect& rect) const;
364 bool operator!=(const wxRect& rect) const { return !(*this == rect); }
365
366 // return TRUE if the point is (not strcitly) inside the rect
367 bool Inside(int x, int y) const;
368 bool Inside(const wxPoint& pt) const { return Inside(pt.x, pt.y); }
369
370 // return TRUE if the rectangles have a non empty intersection
371 bool Intersects(const wxRect& rect) const;
372
373 public:
374 int x, y, width, height;
375 };
376
377 // ---------------------------------------------------------------------------
378 // Management of pens, brushes and fonts
379 // ---------------------------------------------------------------------------
380
381 typedef wxInt8 wxDash;
382
383 class WXDLLEXPORT wxPenList : public wxList
384 {
385 public:
386 wxPenList() { }
387 ~wxPenList();
388
389 void AddPen(wxPen *pen);
390 void RemovePen(wxPen *pen);
391 wxPen *FindOrCreatePen(const wxColour& colour, int width, int style);
392 };
393
394 class WXDLLEXPORT wxBrushList : public wxList
395 {
396 public:
397 wxBrushList() { }
398 ~wxBrushList();
399
400 void AddBrush(wxBrush *brush);
401 void RemoveBrush(wxBrush *brush);
402 wxBrush *FindOrCreateBrush(const wxColour& colour, int style);
403 };
404
405 class WXDLLEXPORT wxFontList : public wxList
406 {
407 public:
408 wxFontList() { }
409 ~wxFontList();
410
411 void AddFont(wxFont *font);
412 void RemoveFont(wxFont *font);
413 wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
414 bool underline = FALSE,
415 const wxString& face = wxEmptyString,
416 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
417 };
418
419 class WXDLLEXPORT wxStringToColourHashMap;
420
421 class WXDLLEXPORT wxColourDatabase
422 {
423 public:
424 wxColourDatabase();
425 ~wxColourDatabase() ;
426
427 // Not const because it may add a name to the database
428 wxColour *FindColour(const wxString& colour) ;
429 wxColour *FindColourNoAdd(const wxString& colour) const;
430 wxString FindName(const wxColour& colour) const;
431 void AddColour(const wxString& name, wxColour* colour);
432 void Initialize();
433 #ifdef __WXPM__
434 // PM keeps its own type of colour table
435 long* m_palTable;
436 size_t m_nSize;
437 #endif
438 private:
439 wxColour* FindColour(const wxString& colour, bool add);
440
441 wxStringToColourHashMap* m_map;
442 };
443
444 class WXDLLEXPORT wxBitmapList : public wxList
445 {
446 public:
447 wxBitmapList();
448 ~wxBitmapList();
449
450 void AddBitmap(wxBitmap *bitmap);
451 void RemoveBitmap(wxBitmap *bitmap);
452 };
453
454 class WXDLLEXPORT wxResourceCache: public wxList
455 {
456 public:
457 wxResourceCache() { }
458 #if !wxUSE_STL
459 wxResourceCache(const unsigned int keyType) : wxList(keyType) { }
460 #endif
461 ~wxResourceCache();
462 };
463
464 // ---------------------------------------------------------------------------
465 // global variables
466 // ---------------------------------------------------------------------------
467
468 // Lists of GDI objects
469 WXDLLEXPORT_DATA(extern wxPenList*) wxThePenList;
470 WXDLLEXPORT_DATA(extern wxBrushList*) wxTheBrushList;
471 WXDLLEXPORT_DATA(extern wxFontList*) wxTheFontList;
472 WXDLLEXPORT_DATA(extern wxBitmapList*) wxTheBitmapList;
473
474 // Stock objects
475 WXDLLEXPORT_DATA(extern wxFont*) wxNORMAL_FONT;
476 WXDLLEXPORT_DATA(extern wxFont*) wxSMALL_FONT;
477 WXDLLEXPORT_DATA(extern wxFont*) wxITALIC_FONT;
478 WXDLLEXPORT_DATA(extern wxFont*) wxSWISS_FONT;
479
480 WXDLLEXPORT_DATA(extern wxPen*) wxRED_PEN;
481 WXDLLEXPORT_DATA(extern wxPen*) wxCYAN_PEN;
482 WXDLLEXPORT_DATA(extern wxPen*) wxGREEN_PEN;
483 WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_PEN;
484 WXDLLEXPORT_DATA(extern wxPen*) wxWHITE_PEN;
485 WXDLLEXPORT_DATA(extern wxPen*) wxTRANSPARENT_PEN;
486 WXDLLEXPORT_DATA(extern wxPen*) wxBLACK_DASHED_PEN;
487 WXDLLEXPORT_DATA(extern wxPen*) wxGREY_PEN;
488 WXDLLEXPORT_DATA(extern wxPen*) wxMEDIUM_GREY_PEN;
489 WXDLLEXPORT_DATA(extern wxPen*) wxLIGHT_GREY_PEN;
490
491 WXDLLEXPORT_DATA(extern wxBrush*) wxBLUE_BRUSH;
492 WXDLLEXPORT_DATA(extern wxBrush*) wxGREEN_BRUSH;
493 WXDLLEXPORT_DATA(extern wxBrush*) wxWHITE_BRUSH;
494 WXDLLEXPORT_DATA(extern wxBrush*) wxBLACK_BRUSH;
495 WXDLLEXPORT_DATA(extern wxBrush*) wxGREY_BRUSH;
496 WXDLLEXPORT_DATA(extern wxBrush*) wxMEDIUM_GREY_BRUSH;
497 WXDLLEXPORT_DATA(extern wxBrush*) wxLIGHT_GREY_BRUSH;
498 WXDLLEXPORT_DATA(extern wxBrush*) wxTRANSPARENT_BRUSH;
499 WXDLLEXPORT_DATA(extern wxBrush*) wxCYAN_BRUSH;
500 WXDLLEXPORT_DATA(extern wxBrush*) wxRED_BRUSH;
501
502 WXDLLEXPORT_DATA(extern wxColour*) wxBLACK;
503 WXDLLEXPORT_DATA(extern wxColour*) wxWHITE;
504 WXDLLEXPORT_DATA(extern wxColour*) wxRED;
505 WXDLLEXPORT_DATA(extern wxColour*) wxBLUE;
506 WXDLLEXPORT_DATA(extern wxColour*) wxGREEN;
507 WXDLLEXPORT_DATA(extern wxColour*) wxCYAN;
508 WXDLLEXPORT_DATA(extern wxColour*) wxLIGHT_GREY;
509
510 // 'Null' objects
511 WXDLLEXPORT_DATA(extern wxBitmap) wxNullBitmap;
512 WXDLLEXPORT_DATA(extern wxIcon) wxNullIcon;
513 WXDLLEXPORT_DATA(extern wxCursor) wxNullCursor;
514 WXDLLEXPORT_DATA(extern wxPen) wxNullPen;
515 WXDLLEXPORT_DATA(extern wxBrush) wxNullBrush;
516 WXDLLEXPORT_DATA(extern wxPalette) wxNullPalette;
517 WXDLLEXPORT_DATA(extern wxFont) wxNullFont;
518 WXDLLEXPORT_DATA(extern wxColour) wxNullColour;
519
520 // Stock cursors types
521 WXDLLEXPORT_DATA(extern wxCursor*) wxSTANDARD_CURSOR;
522 WXDLLEXPORT_DATA(extern wxCursor*) wxHOURGLASS_CURSOR;
523 WXDLLEXPORT_DATA(extern wxCursor*) wxCROSS_CURSOR;
524
525 WXDLLEXPORT_DATA(extern wxColourDatabase*) wxTheColourDatabase;
526
527 WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
528
529 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
530 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
531
532 // The list of objects which should be deleted
533 WXDLLEXPORT_DATA(extern wxList) wxPendingDelete;
534
535 // ---------------------------------------------------------------------------
536 // global functions
537 // ---------------------------------------------------------------------------
538
539 // resource management
540 extern void WXDLLEXPORT wxInitializeStockObjects();
541 extern void WXDLLEXPORT wxInitializeStockLists();
542 extern void WXDLLEXPORT wxDeleteStockObjects();
543 extern void WXDLLEXPORT wxDeleteStockLists();
544
545 // is the display colour (or monochrome)?
546 extern bool WXDLLEXPORT wxColourDisplay();
547
548 // Returns depth of screen
549 extern int WXDLLEXPORT wxDisplayDepth();
550 #define wxGetDisplayDepth wxDisplayDepth
551
552 // get the display size
553 extern void WXDLLEXPORT wxDisplaySize(int *width, int *height);
554 extern wxSize WXDLLEXPORT wxGetDisplaySize();
555 extern void WXDLLEXPORT wxDisplaySizeMM(int *width, int *height);
556 extern wxSize WXDLLEXPORT wxGetDisplaySizeMM();
557
558 // Get position and size of the display workarea
559 extern void WXDLLEXPORT wxClientDisplayRect(int *x, int *y, int *width, int *height);
560 extern wxRect WXDLLEXPORT wxGetClientDisplayRect();
561
562 // set global cursor
563 extern void WXDLLEXPORT wxSetCursor(const wxCursor& cursor);
564
565 #endif
566 // _WX_GDICMNH__