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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/generic/renderg.cpp | |
3 | // Purpose: generic implementation of wxRendererNative (for any platform) | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 20.07.2003 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org> | |
9 | // License: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // for compilers that support precompilation, includes "wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | #include "wx/renderer.h" | |
28 | ||
29 | #ifndef WX_PRECOMP | |
30 | #include "wx/string.h" | |
31 | #include "wx/dc.h" | |
32 | #include "wx/settings.h" | |
33 | #include "wx/gdicmn.h" | |
34 | #include "wx/module.h" | |
35 | #endif //WX_PRECOMP | |
36 | ||
37 | #include "wx/splitter.h" | |
38 | #include "wx/dcmirror.h" | |
39 | ||
40 | #ifdef __WXMAC__ | |
41 | #include "wx/osx/private.h" | |
42 | #endif | |
43 | ||
44 | // ---------------------------------------------------------------------------- | |
45 | // wxRendererGeneric: our wxRendererNative implementation | |
46 | // ---------------------------------------------------------------------------- | |
47 | ||
48 | class WXDLLEXPORT wxRendererGeneric : public wxRendererNative | |
49 | { | |
50 | public: | |
51 | wxRendererGeneric(); | |
52 | ||
53 | virtual int DrawHeaderButton(wxWindow *win, | |
54 | wxDC& dc, | |
55 | const wxRect& rect, | |
56 | int flags = 0, | |
57 | wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE, | |
58 | wxHeaderButtonParams* params = NULL); | |
59 | ||
60 | virtual int DrawHeaderButtonContents(wxWindow *win, | |
61 | wxDC& dc, | |
62 | const wxRect& rect, | |
63 | int flags = 0, | |
64 | wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE, | |
65 | wxHeaderButtonParams* params = NULL); | |
66 | ||
67 | virtual int GetHeaderButtonHeight(wxWindow *win); | |
68 | ||
69 | virtual void DrawTreeItemButton(wxWindow *win, | |
70 | wxDC& dc, | |
71 | const wxRect& rect, | |
72 | int flags = 0); | |
73 | ||
74 | virtual void DrawSplitterBorder(wxWindow *win, | |
75 | wxDC& dc, | |
76 | const wxRect& rect, | |
77 | int flags = 0); | |
78 | ||
79 | virtual void DrawSplitterSash(wxWindow *win, | |
80 | wxDC& dc, | |
81 | const wxSize& size, | |
82 | wxCoord position, | |
83 | wxOrientation orient, | |
84 | int flags = 0); | |
85 | ||
86 | virtual void DrawComboBoxDropButton(wxWindow *win, | |
87 | wxDC& dc, | |
88 | const wxRect& rect, | |
89 | int flags = 0); | |
90 | ||
91 | virtual void DrawDropArrow(wxWindow *win, | |
92 | wxDC& dc, | |
93 | const wxRect& rect, | |
94 | int flags = 0); | |
95 | ||
96 | virtual void DrawCheckBox(wxWindow *win, | |
97 | wxDC& dc, | |
98 | const wxRect& rect, | |
99 | int flags = 0); | |
100 | ||
101 | virtual wxSize GetCheckBoxSize(wxWindow *win); | |
102 | ||
103 | virtual void DrawPushButton(wxWindow *win, | |
104 | wxDC& dc, | |
105 | const wxRect& rect, | |
106 | int flags = 0); | |
107 | ||
108 | virtual void DrawItemSelectionRect(wxWindow *win, | |
109 | wxDC& dc, | |
110 | const wxRect& rect, | |
111 | int flags = 0); | |
112 | ||
113 | virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0); | |
114 | ||
115 | virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0); | |
116 | ||
117 | virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0); | |
118 | ||
119 | virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0); | |
120 | ||
121 | virtual void DrawOptionButton(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0); | |
122 | ||
123 | virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win); | |
124 | ||
125 | virtual wxRendererVersion GetVersion() const | |
126 | { | |
127 | return wxRendererVersion(wxRendererVersion::Current_Version, | |
128 | wxRendererVersion::Current_Age); | |
129 | } | |
130 | ||
131 | ||
132 | // Cleanup by deleting standard renderer | |
133 | static void Cleanup(); | |
134 | ||
135 | // Get the generic object | |
136 | static wxRendererGeneric* DoGetGeneric(); | |
137 | ||
138 | protected: | |
139 | // draw the rectange using the first pen for the left and top sides and | |
140 | // the second one for the bottom and right ones | |
141 | void DrawShadedRect(wxDC& dc, wxRect *rect, | |
142 | const wxPen& pen1, const wxPen& pen2); | |
143 | ||
144 | // the standard pens | |
145 | wxPen m_penBlack, | |
146 | m_penDarkGrey, | |
147 | m_penLightGrey, | |
148 | m_penHighlight; | |
149 | ||
150 | static wxRendererGeneric* sm_rendererGeneric; | |
151 | }; | |
152 | ||
153 | // ============================================================================ | |
154 | // wxRendererGeneric implementation | |
155 | // ============================================================================ | |
156 | ||
157 | // Get the generic object | |
158 | wxRendererGeneric* wxRendererGeneric::DoGetGeneric() | |
159 | { | |
160 | if (!sm_rendererGeneric) | |
161 | sm_rendererGeneric = new wxRendererGeneric; | |
162 | return sm_rendererGeneric; | |
163 | } | |
164 | ||
165 | // ---------------------------------------------------------------------------- | |
166 | // wxRendererGeneric creation | |
167 | // ---------------------------------------------------------------------------- | |
168 | ||
169 | /* static */ | |
170 | wxRendererNative& wxRendererNative::GetGeneric() | |
171 | { | |
172 | return * wxRendererGeneric::DoGetGeneric(); | |
173 | } | |
174 | ||
175 | void wxRendererGeneric::Cleanup() | |
176 | { | |
177 | if (sm_rendererGeneric) | |
178 | delete sm_rendererGeneric; | |
179 | ||
180 | sm_rendererGeneric = NULL; | |
181 | } | |
182 | ||
183 | wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL; | |
184 | ||
185 | wxRendererGeneric::wxRendererGeneric() | |
186 | : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)), | |
187 | m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)), | |
188 | m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)), | |
189 | m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT)) | |
190 | { | |
191 | } | |
192 | ||
193 | // ---------------------------------------------------------------------------- | |
194 | // wxRendererGeneric helpers | |
195 | // ---------------------------------------------------------------------------- | |
196 | ||
197 | void | |
198 | wxRendererGeneric::DrawShadedRect(wxDC& dc, | |
199 | wxRect *rect, | |
200 | const wxPen& pen1, | |
201 | const wxPen& pen2) | |
202 | { | |
203 | // draw the rectangle | |
204 | dc.SetPen(pen1); | |
205 | dc.DrawLine(rect->GetLeft(), rect->GetTop(), | |
206 | rect->GetLeft(), rect->GetBottom()); | |
207 | dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(), | |
208 | rect->GetRight(), rect->GetTop()); | |
209 | dc.SetPen(pen2); | |
210 | dc.DrawLine(rect->GetRight(), rect->GetTop(), | |
211 | rect->GetRight(), rect->GetBottom()); | |
212 | dc.DrawLine(rect->GetLeft(), rect->GetBottom(), | |
213 | rect->GetRight() + 1, rect->GetBottom()); | |
214 | ||
215 | // adjust the rect | |
216 | rect->Inflate(-1); | |
217 | } | |
218 | ||
219 | // ---------------------------------------------------------------------------- | |
220 | // tree/list ctrl drawing | |
221 | // ---------------------------------------------------------------------------- | |
222 | ||
223 | int | |
224 | wxRendererGeneric::DrawHeaderButton(wxWindow* win, | |
225 | wxDC& dc, | |
226 | const wxRect& rect, | |
227 | int flags, | |
228 | wxHeaderSortIconType sortArrow, | |
229 | wxHeaderButtonParams* params) | |
230 | { | |
231 | const wxCoord x = rect.x, | |
232 | y = rect.y, | |
233 | w = rect.width, | |
234 | h = rect.height; | |
235 | ||
236 | dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); | |
237 | dc.SetPen(*wxTRANSPARENT_PEN); | |
238 | dc.DrawRectangle(rect); | |
239 | ||
240 | dc.SetBrush(*wxTRANSPARENT_BRUSH); | |
241 | ||
242 | dc.SetPen(m_penBlack); | |
243 | dc.DrawLine( x+w-1, y, x+w-1, y+h ); // right (outer) | |
244 | dc.DrawLine( x, y+h-1, x+w, y+h-1 ); // bottom (outer) | |
245 | ||
246 | dc.SetPen(m_penDarkGrey); | |
247 | dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 ); // right (inner) | |
248 | dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 ); // bottom (inner) | |
249 | ||
250 | dc.SetPen(m_penHighlight); | |
251 | dc.DrawLine( x, y, x, y+h-1 ); // left (outer) | |
252 | dc.DrawLine( x, y, x+w-1, y ); // top (outer) | |
253 | ||
254 | return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params); | |
255 | } | |
256 | ||
257 | ||
258 | int | |
259 | wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win, | |
260 | wxDC& dc, | |
261 | const wxRect& rect, | |
262 | int flags, | |
263 | wxHeaderSortIconType sortArrow, | |
264 | wxHeaderButtonParams* params) | |
265 | { | |
266 | int labelWidth = 0; | |
267 | ||
268 | // Mark this item as selected. For the generic version we'll just draw an | |
269 | // underline | |
270 | if ( flags & wxCONTROL_SELECTED ) | |
271 | { | |
272 | // draw a line at the bottom of the header button, overlaying the | |
273 | // native hot-tracking line (on XP) | |
274 | const int penwidth = 3; | |
275 | int y = rect.y + rect.height + 1 - penwidth; | |
276 | wxColour c = (params && params->m_selectionColour.Ok()) ? | |
277 | params->m_selectionColour : wxColour(0x66, 0x66, 0x66); | |
278 | wxPen pen(c, penwidth); | |
279 | pen.SetCap(wxCAP_BUTT); | |
280 | dc.SetPen(pen); | |
281 | dc.DrawLine(rect.x, y, rect.x + rect.width, y); | |
282 | } | |
283 | ||
284 | // Draw an up or down arrow | |
285 | int arrowSpace = 0; | |
286 | if (sortArrow != wxHDR_SORT_ICON_NONE ) | |
287 | { | |
288 | wxRect ar = rect; | |
289 | ||
290 | // make a rect for the arrow | |
291 | ar.height = 4; | |
292 | ar.width = 8; | |
293 | ar.y += (rect.height - ar.height)/2; | |
294 | ar.x = ar.x + rect.width - 3*ar.width/2; | |
295 | arrowSpace = 3*ar.width/2; // space to preserve when drawing the label | |
296 | ||
297 | wxPoint triPt[3]; | |
298 | if ( sortArrow & wxHDR_SORT_ICON_UP ) | |
299 | { | |
300 | triPt[0].x = ar.width / 2; | |
301 | triPt[0].y = 0; | |
302 | triPt[1].x = ar.width; | |
303 | triPt[1].y = ar.height; | |
304 | triPt[2].x = 0; | |
305 | triPt[2].y = ar.height; | |
306 | } | |
307 | else | |
308 | { | |
309 | triPt[0].x = 0; | |
310 | triPt[0].y = 0; | |
311 | triPt[1].x = ar.width; | |
312 | triPt[1].y = 0; | |
313 | triPt[2].x = ar.width / 2; | |
314 | triPt[2].y = ar.height; | |
315 | } | |
316 | ||
317 | wxColour c = (params && params->m_arrowColour.Ok()) ? | |
318 | params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW); | |
319 | dc.SetPen(wxPen(c)); | |
320 | dc.SetBrush(wxBrush(c)); | |
321 | dc.DrawPolygon( 3, triPt, ar.x, ar.y); | |
322 | } | |
323 | labelWidth += arrowSpace; | |
324 | ||
325 | const int margin = 5; // number of pixels to reserve on either side of the label | |
326 | int bmpWidth = 0; | |
327 | ||
328 | if ( params && params->m_labelBitmap.Ok() ) | |
329 | bmpWidth = params->m_labelBitmap.GetWidth() + 2; | |
330 | ||
331 | labelWidth += bmpWidth + 2*margin; | |
332 | ||
333 | // draw the bitmap if there is one | |
334 | if ( params && params->m_labelBitmap.Ok() ) | |
335 | { | |
336 | int w, h, x, y; | |
337 | w = params->m_labelBitmap.GetWidth(); | |
338 | h = params->m_labelBitmap.GetHeight(); | |
339 | ||
340 | x = margin + rect.x; | |
341 | y = rect.y + wxMax(1, (rect.height - h) / 2); | |
342 | ||
343 | if (params->m_labelText.empty()) | |
344 | { | |
345 | // use the alignment flags | |
346 | switch (params->m_labelAlignment) | |
347 | { | |
348 | default: | |
349 | case wxALIGN_LEFT: | |
350 | x = rect.x + margin; | |
351 | break; | |
352 | case wxALIGN_CENTER: | |
353 | x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2); | |
354 | break; | |
355 | case wxALIGN_RIGHT: | |
356 | x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w); | |
357 | break; | |
358 | } | |
359 | } | |
360 | dc.DrawBitmap(params->m_labelBitmap, x, y, true); | |
361 | } | |
362 | ||
363 | // Draw a label if one is given | |
364 | if ( params && !params->m_labelText.empty() ) | |
365 | { | |
366 | wxFont font = params->m_labelFont.Ok() ? | |
367 | params->m_labelFont : win->GetFont(); | |
368 | wxColour clr = params->m_labelColour.Ok() ? | |
369 | params->m_labelColour : win->GetForegroundColour(); | |
370 | ||
371 | wxString label( params->m_labelText ); | |
372 | ||
373 | dc.SetFont(font); | |
374 | dc.SetTextForeground(clr); | |
375 | dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); | |
376 | ||
377 | int tw, th, td, x, y; | |
378 | dc.GetTextExtent( label, &tw, &th, &td); | |
379 | labelWidth += tw; | |
380 | y = rect.y + wxMax(0, (rect.height - (th+td)) / 2); | |
381 | #ifdef __WXGTK__ | |
382 | y += 2; // No idea why. | |
383 | #endif | |
384 | ||
385 | // truncate and add an ellipsis (...) if the text is too wide. | |
386 | int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin; | |
387 | if ( tw > targetWidth ) | |
388 | { | |
389 | int ellipsisWidth; | |
390 | dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL); | |
391 | do { | |
392 | label.Truncate( label.length() - 1 ); | |
393 | dc.GetTextExtent( label, &tw, &th); | |
394 | } while (tw + ellipsisWidth > targetWidth && label.length() ); | |
395 | label.append( wxT("...") ); | |
396 | tw += ellipsisWidth; | |
397 | } | |
398 | ||
399 | switch (params->m_labelAlignment) | |
400 | { | |
401 | default: | |
402 | case wxALIGN_LEFT: | |
403 | x = rect.x + margin; | |
404 | break; | |
405 | case wxALIGN_CENTER: | |
406 | x = rect.x + wxMax(0, (rect.width - arrowSpace - tw - bmpWidth)/2); | |
407 | break; | |
408 | case wxALIGN_RIGHT: | |
409 | x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth); | |
410 | break; | |
411 | } | |
412 | ||
413 | dc.DrawText(label, x + bmpWidth, y); | |
414 | } | |
415 | return labelWidth; | |
416 | } | |
417 | ||
418 | ||
419 | int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win) | |
420 | { | |
421 | // Copied and adapted from src/generic/listctrl.cpp | |
422 | const int HEADER_OFFSET_Y = 1; | |
423 | const int EXTRA_HEIGHT = 4; | |
424 | ||
425 | int w=0, h=14, d=0; | |
426 | if (win) | |
427 | win->GetTextExtent(wxT("Hg"), &w, &h, &d); | |
428 | ||
429 | return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT; | |
430 | } | |
431 | ||
432 | ||
433 | // draw the plus or minus sign | |
434 | void | |
435 | wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win), | |
436 | wxDC& dc, | |
437 | const wxRect& rect, | |
438 | int flags) | |
439 | { | |
440 | // store settings | |
441 | wxDCPenChanger penChanger(dc, *wxGREY_PEN); | |
442 | wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH); | |
443 | ||
444 | dc.DrawRectangle(rect); | |
445 | ||
446 | // black lines | |
447 | const wxCoord xMiddle = rect.x + rect.width/2; | |
448 | const wxCoord yMiddle = rect.y + rect.height/2; | |
449 | ||
450 | // half of the length of the horz lines in "-" and "+" | |
451 | const wxCoord halfWidth = rect.width/2 - 2; | |
452 | dc.SetPen(*wxBLACK_PEN); | |
453 | dc.DrawLine(xMiddle - halfWidth, yMiddle, | |
454 | xMiddle + halfWidth + 1, yMiddle); | |
455 | ||
456 | if ( !(flags & wxCONTROL_EXPANDED) ) | |
457 | { | |
458 | // turn "-" into "+" | |
459 | const wxCoord halfHeight = rect.height/2 - 2; | |
460 | dc.DrawLine(xMiddle, yMiddle - halfHeight, | |
461 | xMiddle, yMiddle + halfHeight + 1); | |
462 | } | |
463 | } | |
464 | ||
465 | // ---------------------------------------------------------------------------- | |
466 | // sash drawing | |
467 | // ---------------------------------------------------------------------------- | |
468 | ||
469 | wxSplitterRenderParams | |
470 | wxRendererGeneric::GetSplitterParams(const wxWindow *win) | |
471 | { | |
472 | // see below | |
473 | wxCoord sashWidth, | |
474 | border; | |
475 | ||
476 | if ( win->HasFlag(wxSP_3DSASH) ) | |
477 | sashWidth = 7; | |
478 | else if ( win->HasFlag(wxSP_NOSASH) ) | |
479 | sashWidth = 0; | |
480 | else // no 3D effect | |
481 | sashWidth = 3; | |
482 | ||
483 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
484 | border = 2; | |
485 | else // no 3D effect | |
486 | border = 0; | |
487 | ||
488 | return wxSplitterRenderParams(sashWidth, border, false); | |
489 | } | |
490 | ||
491 | void | |
492 | wxRendererGeneric::DrawSplitterBorder(wxWindow *win, | |
493 | wxDC& dc, | |
494 | const wxRect& rectOrig, | |
495 | int WXUNUSED(falgs)) | |
496 | { | |
497 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
498 | { | |
499 | wxRect rect = rectOrig; | |
500 | DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight); | |
501 | DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey); | |
502 | } | |
503 | } | |
504 | ||
505 | void | |
506 | wxRendererGeneric::DrawSplitterSash(wxWindow *win, | |
507 | wxDC& dcReal, | |
508 | const wxSize& sizeReal, | |
509 | wxCoord position, | |
510 | wxOrientation orient, | |
511 | int WXUNUSED(flags)) | |
512 | { | |
513 | // to avoid duplicating the same code for horizontal and vertical sashes, | |
514 | // simply mirror the DC instead if needed (i.e. if horz splitter) | |
515 | wxMirrorDC dc(dcReal, orient != wxVERTICAL); | |
516 | wxSize size = dc.Reflect(sizeReal); | |
517 | ||
518 | ||
519 | // we draw a Win32-like grey sash with possible 3D border here: | |
520 | // | |
521 | // ---- this is position | |
522 | // / | |
523 | // v | |
524 | // dWGGGDd | |
525 | // GWGGGDB | |
526 | // GWGGGDB where G is light grey (face) | |
527 | // GWGGGDB W white (light) | |
528 | // GWGGGDB D dark grey (shadow) | |
529 | // GWGGGDB B black (dark shadow) | |
530 | // GWGGGDB | |
531 | // GWGGGDB and lower letters are our border (already drawn) | |
532 | // GWGGGDB | |
533 | // wWGGGDd | |
534 | // | |
535 | // only the middle 3 columns are drawn unless wxSP_3D is specified | |
536 | ||
537 | const wxCoord h = size.y; | |
538 | wxCoord offset = 0; | |
539 | ||
540 | // If we're drawing the border, draw the sash 3d lines shorter | |
541 | if ( win->HasFlag(wxSP_3DBORDER) ) | |
542 | { | |
543 | offset = 1; | |
544 | } | |
545 | ||
546 | dc.SetPen(*wxTRANSPARENT_PEN); | |
547 | dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); | |
548 | ||
549 | if ( win->HasFlag(wxSP_3DSASH) ) | |
550 | { | |
551 | // Draw the 3D sash | |
552 | dc.DrawRectangle(position + 2, 0, 3, h); | |
553 | ||
554 | dc.SetPen(m_penLightGrey); | |
555 | dc.DrawLine(position, offset, position, h - offset); | |
556 | ||
557 | dc.SetPen(m_penHighlight); | |
558 | dc.DrawLine(position + 1, 0, position + 1, h); | |
559 | ||
560 | dc.SetPen(m_penDarkGrey); | |
561 | dc.DrawLine(position + 5, 0, position + 5, h); | |
562 | ||
563 | dc.SetPen(m_penBlack); | |
564 | dc.DrawLine(position + 6, offset, position + 6, h - offset); | |
565 | } | |
566 | else | |
567 | { | |
568 | // Draw a flat sash | |
569 | dc.DrawRectangle(position, 0, 3, h); | |
570 | } | |
571 | } | |
572 | ||
573 | // ---------------------------------------------------------------------------- | |
574 | // button drawing | |
575 | // ---------------------------------------------------------------------------- | |
576 | ||
577 | void | |
578 | wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win, | |
579 | wxDC& dc, | |
580 | const wxRect& rect, | |
581 | int flags) | |
582 | { | |
583 | DrawPushButton(win,dc,rect,flags); | |
584 | DrawDropArrow(win,dc,rect,flags); | |
585 | } | |
586 | ||
587 | void | |
588 | wxRendererGeneric::DrawDropArrow(wxWindow *win, | |
589 | wxDC& dc, | |
590 | const wxRect& rect, | |
591 | int WXUNUSED(flags)) | |
592 | { | |
593 | // This generic implementation should be good | |
594 | // enough for Windows platforms (including XP). | |
595 | ||
596 | int arrowHalf = rect.width/5; | |
597 | int rectMid = rect.width / 2; | |
598 | int arrowTopY = (rect.height/2) - (arrowHalf/2); | |
599 | ||
600 | // This should always result in arrow with odd width. | |
601 | wxPoint pt[] = | |
602 | { | |
603 | wxPoint(rectMid - arrowHalf, arrowTopY), | |
604 | wxPoint(rectMid + arrowHalf, arrowTopY), | |
605 | wxPoint(rectMid, arrowTopY + arrowHalf) | |
606 | }; | |
607 | dc.SetBrush(wxBrush(win->GetForegroundColour())); | |
608 | dc.SetPen(wxPen(win->GetForegroundColour())); | |
609 | dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y); | |
610 | } | |
611 | ||
612 | void | |
613 | wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win), | |
614 | wxDC& dc, | |
615 | const wxRect& rect, | |
616 | int flags) | |
617 | { | |
618 | dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN)); | |
619 | dc.SetBrush( *wxTRANSPARENT_BRUSH ); | |
620 | dc.DrawRectangle(rect); | |
621 | ||
622 | if ( flags & wxCONTROL_CHECKED ) | |
623 | { | |
624 | dc.DrawCheckMark(rect.Deflate(2, 2)); | |
625 | } | |
626 | } | |
627 | ||
628 | wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win)) | |
629 | { | |
630 | return wxSize(16, 16); | |
631 | } | |
632 | ||
633 | void | |
634 | wxRendererGeneric::DrawPushButton(wxWindow *win, | |
635 | wxDC& dc, | |
636 | const wxRect& rect, | |
637 | int flags) | |
638 | { | |
639 | // Don't try anything too fancy. It'll just turn out looking | |
640 | // out-of-place on most platforms. | |
641 | wxColour bgCol = flags & wxCONTROL_DISABLED ? | |
642 | wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) : | |
643 | win->GetBackgroundColour(); | |
644 | dc.SetBrush(wxBrush(bgCol)); | |
645 | dc.SetPen(wxPen(bgCol)); | |
646 | dc.DrawRectangle(rect); | |
647 | } | |
648 | ||
649 | void | |
650 | #ifdef __WXMAC__ | |
651 | wxRendererGeneric::DrawItemSelectionRect(wxWindow * win, | |
652 | wxDC& dc, | |
653 | const wxRect& rect, | |
654 | int flags) | |
655 | #else | |
656 | wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win), | |
657 | wxDC& dc, | |
658 | const wxRect& rect, | |
659 | int flags) | |
660 | #endif | |
661 | { | |
662 | wxBrush brush; | |
663 | if ( flags & wxCONTROL_SELECTED ) | |
664 | { | |
665 | if ( flags & wxCONTROL_FOCUSED ) | |
666 | { | |
667 | brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT)); | |
668 | } | |
669 | else // !focused | |
670 | { | |
671 | brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW)); | |
672 | } | |
673 | } | |
674 | else // !selected | |
675 | { | |
676 | brush = *wxTRANSPARENT_BRUSH; | |
677 | } | |
678 | ||
679 | dc.SetBrush(brush); | |
680 | if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED) | |
681 | #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON | |
682 | && IsControlActive( (ControlRef)win->GetHandle() ) | |
683 | #endif | |
684 | ) | |
685 | dc.SetPen( *wxBLACK_PEN ); | |
686 | else | |
687 | dc.SetPen( *wxTRANSPARENT_PEN ); | |
688 | ||
689 | dc.DrawRectangle( rect ); | |
690 | } | |
691 | ||
692 | void | |
693 | wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags)) | |
694 | { | |
695 | // draw the pixels manually because the "dots" in wxPen with wxDOT style | |
696 | // may be short traits and not really dots | |
697 | // | |
698 | // note that to behave in the same manner as DrawRect(), we must exclude | |
699 | // the bottom and right borders from the rectangle | |
700 | wxCoord x1 = rect.GetLeft(), | |
701 | y1 = rect.GetTop(), | |
702 | x2 = rect.GetRight(), | |
703 | y2 = rect.GetBottom(); | |
704 | ||
705 | dc.SetPen(m_penBlack); | |
706 | ||
707 | #ifdef __WXMAC__ | |
708 | dc.SetLogicalFunction(wxCOPY); | |
709 | #else | |
710 | // this seems to be closer than what Windows does than wxINVERT although | |
711 | // I'm still not sure if it's correct | |
712 | dc.SetLogicalFunction(wxAND_REVERSE); | |
713 | #endif | |
714 | ||
715 | wxCoord z; | |
716 | for ( z = x1 + 1; z < x2; z += 2 ) | |
717 | dc.DrawPoint(z, rect.GetTop()); | |
718 | ||
719 | wxCoord shift = z == x2 ? 0 : 1; | |
720 | for ( z = y1 + shift; z < y2; z += 2 ) | |
721 | dc.DrawPoint(x2, z); | |
722 | ||
723 | shift = z == y2 ? 0 : 1; | |
724 | for ( z = x2 - shift; z > x1; z -= 2 ) | |
725 | dc.DrawPoint(z, y2); | |
726 | ||
727 | shift = z == x1 ? 0 : 1; | |
728 | for ( z = y2 - shift; z > y1; z -= 2 ) | |
729 | dc.DrawPoint(x1, z); | |
730 | ||
731 | dc.SetLogicalFunction(wxCOPY); | |
732 | } | |
733 | ||
734 | void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc), | |
735 | const wxRect& WXUNUSED(rect), int WXUNUSED(flags)) | |
736 | { | |
737 | // FIXME: Implement | |
738 | } | |
739 | ||
740 | void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc), | |
741 | const wxRect& WXUNUSED(rect), int WXUNUSED(flags)) | |
742 | { | |
743 | // FIXME: Implement | |
744 | } | |
745 | ||
746 | void wxRendererGeneric::DrawOptionButton(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc), | |
747 | const wxRect& WXUNUSED(rect), int WXUNUSED(flags)) | |
748 | { | |
749 | // FIXME: Implement | |
750 | } | |
751 | ||
752 | void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc), | |
753 | const wxRect& WXUNUSED(rect), int WXUNUSED(flags)) | |
754 | { | |
755 | // FIXME: Implement | |
756 | } | |
757 | ||
758 | ||
759 | ||
760 | ||
761 | // ---------------------------------------------------------------------------- | |
762 | // A module to allow cleanup of generic renderer. | |
763 | // ---------------------------------------------------------------------------- | |
764 | ||
765 | class wxGenericRendererModule: public wxModule | |
766 | { | |
767 | DECLARE_DYNAMIC_CLASS(wxGenericRendererModule) | |
768 | public: | |
769 | wxGenericRendererModule() {} | |
770 | bool OnInit() { return true; } | |
771 | void OnExit() { wxRendererGeneric::Cleanup(); } | |
772 | }; | |
773 | ||
774 | IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule) |