]> git.saurik.com Git - wxWidgets.git/blob - src/generic/renderg.cpp
Fix on Mac to prevent scrollbars always being shown
[wxWidgets.git] / src / generic / renderg.cpp
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 DrawRadioBitmap(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 wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
651 wxDC& dc,
652 const wxRect& rect,
653 int flags)
654 {
655 wxBrush brush;
656 if ( flags & wxCONTROL_SELECTED )
657 {
658 if ( flags & wxCONTROL_FOCUSED )
659 {
660 brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
661 }
662 else // !focused
663 {
664 brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
665 }
666 }
667 else // !selected
668 {
669 brush = *wxTRANSPARENT_BRUSH;
670 }
671
672 dc.SetBrush(brush);
673 if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
674 #if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
675 && IsControlActive( (ControlRef)win->GetHandle() )
676 #endif
677 )
678 dc.SetPen( *wxBLACK_PEN );
679 else
680 dc.SetPen( *wxTRANSPARENT_PEN );
681
682 dc.DrawRectangle( rect );
683
684 // it's unused everywhere except in wxOSX/Carbon
685 wxUnusedVar(win);
686 }
687
688 void
689 wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
690 {
691 // draw the pixels manually because the "dots" in wxPen with wxDOT style
692 // may be short traits and not really dots
693 //
694 // note that to behave in the same manner as DrawRect(), we must exclude
695 // the bottom and right borders from the rectangle
696 wxCoord x1 = rect.GetLeft(),
697 y1 = rect.GetTop(),
698 x2 = rect.GetRight(),
699 y2 = rect.GetBottom();
700
701 dc.SetPen(m_penBlack);
702
703 #ifdef __WXMAC__
704 dc.SetLogicalFunction(wxCOPY);
705 #else
706 // this seems to be closer than what Windows does than wxINVERT although
707 // I'm still not sure if it's correct
708 dc.SetLogicalFunction(wxAND_REVERSE);
709 #endif
710
711 wxCoord z;
712 for ( z = x1 + 1; z < x2; z += 2 )
713 dc.DrawPoint(z, rect.GetTop());
714
715 wxCoord shift = z == x2 ? 0 : 1;
716 for ( z = y1 + shift; z < y2; z += 2 )
717 dc.DrawPoint(x2, z);
718
719 shift = z == y2 ? 0 : 1;
720 for ( z = x2 - shift; z > x1; z -= 2 )
721 dc.DrawPoint(z, y2);
722
723 shift = z == x1 ? 0 : 1;
724 for ( z = y2 - shift; z > y1; z -= 2 )
725 dc.DrawPoint(x1, z);
726
727 dc.SetLogicalFunction(wxCOPY);
728 }
729
730 void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
731 const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
732 {
733 wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
734 }
735
736 void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
737 const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
738 {
739 wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
740 }
741
742 void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
743 const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
744 {
745 wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
746 }
747
748 void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
749 const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
750 {
751 wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
752 }
753
754
755
756
757 // ----------------------------------------------------------------------------
758 // A module to allow cleanup of generic renderer.
759 // ----------------------------------------------------------------------------
760
761 class wxGenericRendererModule: public wxModule
762 {
763 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
764 public:
765 wxGenericRendererModule() {}
766 bool OnInit() { return true; }
767 void OnExit() { wxRendererGeneric::Cleanup(); }
768 };
769
770 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)