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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: univ/window.cpp | |
3 | // Purpose: implementation of extra wxWindow methods for wxUniv port | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 06.08.00 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) | |
9 | // Licence: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // =========================================================================== | |
13 | // declarations | |
14 | // =========================================================================== | |
15 | ||
16 | // --------------------------------------------------------------------------- | |
17 | // headers | |
18 | // --------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "univwindow.h" | |
22 | #endif | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #ifndef WX_PRECOMP | |
32 | #include "wx/app.h" | |
33 | #include "wx/window.h" | |
34 | #include "wx/dcclient.h" | |
35 | #include "wx/dcmemory.h" | |
36 | #include "wx/event.h" | |
37 | #include "wx/scrolbar.h" | |
38 | #include "wx/menu.h" | |
39 | #include "wx/frame.h" | |
40 | #endif // WX_PRECOMP | |
41 | ||
42 | #include "wx/univ/colschem.h" | |
43 | #include "wx/univ/renderer.h" | |
44 | #include "wx/univ/theme.h" | |
45 | ||
46 | #if wxUSE_CARET | |
47 | #include "wx/caret.h" | |
48 | #endif // wxUSE_CARET | |
49 | ||
50 | // turn Refresh() debugging on/off | |
51 | #define WXDEBUG_REFRESH | |
52 | ||
53 | #ifndef __WXDEBUG__ | |
54 | #undef WXDEBUG_REFRESH | |
55 | #endif | |
56 | ||
57 | #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
58 | #include "wx/msw/private.h" | |
59 | #endif | |
60 | ||
61 | // ============================================================================ | |
62 | // implementation | |
63 | // ============================================================================ | |
64 | ||
65 | // ---------------------------------------------------------------------------- | |
66 | // event tables | |
67 | // ---------------------------------------------------------------------------- | |
68 | ||
69 | // we can't use wxWindowNative here as it won't be expanded inside the macro | |
70 | #if defined(__WXMSW__) | |
71 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW) | |
72 | #elif defined(__WXGTK__) | |
73 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK) | |
74 | #elif defined(__WXMGL__) | |
75 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL) | |
76 | #elif defined(__WXPM__) | |
77 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowOS2) | |
78 | #endif | |
79 | ||
80 | BEGIN_EVENT_TABLE(wxWindow, wxWindowNative) | |
81 | EVT_SIZE(wxWindow::OnSize) | |
82 | ||
83 | #if wxUSE_ACCEL || wxUSE_MENUS | |
84 | EVT_KEY_DOWN(wxWindow::OnKeyDown) | |
85 | #endif // wxUSE_ACCEL | |
86 | ||
87 | #if wxUSE_MENUS | |
88 | EVT_CHAR(wxWindow::OnChar) | |
89 | EVT_KEY_UP(wxWindow::OnKeyUp) | |
90 | #endif // wxUSE_MENUS | |
91 | ||
92 | EVT_PAINT(wxWindow::OnPaint) | |
93 | EVT_NC_PAINT(wxWindow::OnNcPaint) | |
94 | EVT_ERASE_BACKGROUND(wxWindow::OnErase) | |
95 | END_EVENT_TABLE() | |
96 | ||
97 | // ---------------------------------------------------------------------------- | |
98 | // creation | |
99 | // ---------------------------------------------------------------------------- | |
100 | ||
101 | void wxWindow::Init() | |
102 | { | |
103 | m_scrollbarVert = | |
104 | m_scrollbarHorz = (wxScrollBar *)NULL; | |
105 | ||
106 | m_isCurrent = FALSE; | |
107 | ||
108 | m_renderer = wxTheme::Get()->GetRenderer(); | |
109 | } | |
110 | ||
111 | bool wxWindow::Create(wxWindow *parent, | |
112 | wxWindowID id, | |
113 | const wxPoint& pos, | |
114 | const wxSize& size, | |
115 | long style, | |
116 | const wxString& name) | |
117 | { | |
118 | // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW | |
119 | // as under the other platforms | |
120 | if ( !wxWindowNative::Create(parent, id, pos, size, | |
121 | style | wxCLIP_CHILDREN, | |
122 | name) ) | |
123 | { | |
124 | return FALSE; | |
125 | } | |
126 | ||
127 | // if we should always have the scrollbar, do show it | |
128 | if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) | |
129 | { | |
130 | m_scrollbarVert = new wxScrollBar(this, -1, | |
131 | wxDefaultPosition, wxDefaultSize, | |
132 | wxSB_VERTICAL); | |
133 | ||
134 | // and position it | |
135 | PositionScrollbars(); | |
136 | } | |
137 | ||
138 | // the colours/fonts are default | |
139 | m_hasBgCol = | |
140 | m_hasFgCol = | |
141 | m_hasFont = FALSE; | |
142 | ||
143 | return TRUE; | |
144 | } | |
145 | ||
146 | // ---------------------------------------------------------------------------- | |
147 | // background pixmap | |
148 | // ---------------------------------------------------------------------------- | |
149 | ||
150 | void wxWindow::SetBackground(const wxBitmap& bitmap, | |
151 | int alignment, | |
152 | wxStretch stretch) | |
153 | { | |
154 | m_bitmapBg = bitmap; | |
155 | m_alignBgBitmap = alignment; | |
156 | m_stretchBgBitmap = stretch; | |
157 | } | |
158 | ||
159 | const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment, | |
160 | wxStretch *stretch) const | |
161 | { | |
162 | if ( m_bitmapBg.Ok() ) | |
163 | { | |
164 | if ( alignment ) | |
165 | *alignment = m_alignBgBitmap; | |
166 | if ( stretch ) | |
167 | *stretch = m_stretchBgBitmap; | |
168 | } | |
169 | ||
170 | return m_bitmapBg; | |
171 | } | |
172 | ||
173 | // ---------------------------------------------------------------------------- | |
174 | // painting | |
175 | // ---------------------------------------------------------------------------- | |
176 | ||
177 | // the event handler executed when the window background must be painted | |
178 | void wxWindow::OnErase(wxEraseEvent& event) | |
179 | { | |
180 | if ( !m_renderer ) | |
181 | { | |
182 | event.Skip(); | |
183 | ||
184 | return; | |
185 | } | |
186 | ||
187 | DoDrawBackground(*event.GetDC()); | |
188 | ||
189 | // if we have both scrollbars, we also have a square in the corner between | |
190 | // them which we must paint | |
191 | if ( m_scrollbarVert && m_scrollbarHorz ) | |
192 | { | |
193 | wxSize size = GetSize(); | |
194 | wxRect rectClient = GetClientRect(), | |
195 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
196 | ||
197 | wxRect rectCorner; | |
198 | rectCorner.x = rectClient.GetRight() + 1; | |
199 | rectCorner.y = rectClient.GetBottom() + 1; | |
200 | rectCorner.SetRight(size.x - rectBorder.width); | |
201 | rectCorner.SetBottom(size.y - rectBorder.height); | |
202 | ||
203 | if ( GetUpdateRegion().Contains(rectCorner) ) | |
204 | { | |
205 | m_renderer->DrawScrollCorner(*event.GetDC(), rectCorner); | |
206 | } | |
207 | } | |
208 | } | |
209 | ||
210 | // the event handlers executed when the window must be repainted | |
211 | void wxWindow::OnNcPaint(wxPaintEvent& event) | |
212 | { | |
213 | if ( m_renderer ) | |
214 | { | |
215 | // get the window rect | |
216 | wxRect rect; | |
217 | wxSize size = GetSize(); | |
218 | rect.x = | |
219 | rect.y = 0; | |
220 | rect.width = size.x; | |
221 | rect.height = size.y; | |
222 | ||
223 | // if the scrollbars are outside the border, we must adjust the rect to | |
224 | // exclude them | |
225 | if ( !m_renderer->AreScrollbarsInsideBorder() ) | |
226 | { | |
227 | wxScrollBar *scrollbar = GetScrollbar(wxVERTICAL); | |
228 | if ( scrollbar ) | |
229 | rect.width -= scrollbar->GetSize().x; | |
230 | ||
231 | scrollbar = GetScrollbar(wxHORIZONTAL); | |
232 | if ( scrollbar ) | |
233 | rect.height -= scrollbar->GetSize().y; | |
234 | } | |
235 | ||
236 | // get the DC and draw the border on it | |
237 | wxWindowDC dc(this); | |
238 | DoDrawBorder(dc, rect); | |
239 | } | |
240 | } | |
241 | ||
242 | void wxWindow::OnPaint(wxPaintEvent& event) | |
243 | { | |
244 | if ( !m_renderer ) | |
245 | { | |
246 | // it is a native control which paints itself | |
247 | event.Skip(); | |
248 | } | |
249 | else | |
250 | { | |
251 | // get the DC to use and create renderer on it | |
252 | wxPaintDC dc(this); | |
253 | wxControlRenderer renderer(this, dc, m_renderer); | |
254 | ||
255 | // draw the control | |
256 | DoDraw(&renderer); | |
257 | } | |
258 | } | |
259 | ||
260 | bool wxWindow::DoDrawBackground(wxDC& dc) | |
261 | { | |
262 | // FIXME: leaving this code in leads to partial bg redraws sometimes under | |
263 | // MSW | |
264 | wxRect rect; | |
265 | #ifndef __WXMSW__ | |
266 | rect = GetUpdateRegion().GetBox(); | |
267 | if ( !rect.width && !rect.height ) | |
268 | #endif | |
269 | { | |
270 | wxSize size = GetSize(); | |
271 | rect.width = size.x; | |
272 | rect.height = size.y; | |
273 | } | |
274 | ||
275 | if ( GetBackgroundBitmap().Ok() ) | |
276 | { | |
277 | // get the bitmap and the flags | |
278 | int alignment; | |
279 | wxStretch stretch; | |
280 | wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch); | |
281 | wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch); | |
282 | } | |
283 | else // just fill it with bg colour if no bitmap | |
284 | { | |
285 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), | |
286 | rect, GetStateFlags()); | |
287 | } | |
288 | ||
289 | return TRUE; | |
290 | } | |
291 | ||
292 | void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect) | |
293 | { | |
294 | // TODO: handle bg bitmaps here! | |
295 | ||
296 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), rect, GetStateFlags()); | |
297 | } | |
298 | ||
299 | void wxWindow::DoDrawBorder(wxDC& dc, const wxRect& rect) | |
300 | { | |
301 | // draw outline unless the update region is enitrely inside it in which | |
302 | // case we don't need to do it | |
303 | #if 0 // doesn't seem to work, why? | |
304 | if ( wxRegion(rect).Contains(GetUpdateRegion().GetBox()) != wxInRegion ) | |
305 | #endif | |
306 | { | |
307 | m_renderer->DrawBorder(dc, GetBorder(), rect, GetStateFlags()); | |
308 | } | |
309 | } | |
310 | ||
311 | void wxWindow::DoDraw(wxControlRenderer *renderer) | |
312 | { | |
313 | } | |
314 | ||
315 | void wxWindow::Refresh(bool eraseBackground, const wxRect *rectClient) | |
316 | { | |
317 | wxRect rectWin; | |
318 | wxPoint pt = GetClientAreaOrigin(); | |
319 | ||
320 | wxSize size = GetClientSize(); | |
321 | ||
322 | if ( rectClient ) | |
323 | { | |
324 | rectWin = *rectClient; | |
325 | ||
326 | // don't refresh anything beyond the client area (scrollbars for | |
327 | // example) | |
328 | if ( rectWin.GetRight() > size.x ) | |
329 | rectWin.SetRight(size.x); | |
330 | if ( rectWin.GetBottom() > size.y ) | |
331 | rectWin.SetBottom(size.y); | |
332 | ||
333 | rectWin.Offset(pt); | |
334 | } | |
335 | else // refresh the entire client area | |
336 | { | |
337 | rectWin.x = pt.x; | |
338 | rectWin.y = pt.y; | |
339 | rectWin.width = size.x; | |
340 | rectWin.height = size.y; | |
341 | } | |
342 | ||
343 | // debugging helper | |
344 | #ifdef WXDEBUG_REFRESH | |
345 | static bool s_refreshDebug = FALSE; | |
346 | if ( s_refreshDebug ) | |
347 | { | |
348 | wxWindowDC dc(this); | |
349 | dc.SetBrush(*wxCYAN_BRUSH); | |
350 | dc.SetPen(*wxTRANSPARENT_PEN); | |
351 | dc.DrawRectangle(rectWin); | |
352 | ||
353 | // under Unix we use "--sync" X option for this | |
354 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) | |
355 | ::GdiFlush(); | |
356 | ::Sleep(200); | |
357 | #endif // __WXMSW__ | |
358 | } | |
359 | #endif // WXDEBUG_REFRESH | |
360 | ||
361 | wxWindowNative::Refresh(eraseBackground, &rectWin); | |
362 | } | |
363 | ||
364 | // ---------------------------------------------------------------------------- | |
365 | // state flags | |
366 | // ---------------------------------------------------------------------------- | |
367 | ||
368 | bool wxWindow::Enable(bool enable) | |
369 | { | |
370 | if ( !wxWindowNative::Enable(enable) ) | |
371 | return FALSE; | |
372 | ||
373 | // disabled window can't keep focus | |
374 | if ( FindFocus() == this ) | |
375 | { | |
376 | GetParent()->SetFocus(); | |
377 | } | |
378 | ||
379 | if ( m_renderer ) | |
380 | { | |
381 | // a window with renderer is drawn by ourselves and it has to be | |
382 | // refreshed to reflect its new status | |
383 | Refresh(); | |
384 | } | |
385 | ||
386 | return TRUE; | |
387 | } | |
388 | ||
389 | bool wxWindow::IsFocused() const | |
390 | { | |
391 | wxWindow *self = wxConstCast(this, wxWindow); | |
392 | return self->FindFocus() == self; | |
393 | } | |
394 | ||
395 | bool wxWindow::IsPressed() const | |
396 | { | |
397 | return FALSE; | |
398 | } | |
399 | ||
400 | bool wxWindow::IsDefault() const | |
401 | { | |
402 | return FALSE; | |
403 | } | |
404 | ||
405 | bool wxWindow::IsCurrent() const | |
406 | { | |
407 | return m_isCurrent; | |
408 | } | |
409 | ||
410 | bool wxWindow::SetCurrent(bool doit) | |
411 | { | |
412 | if ( doit == m_isCurrent ) | |
413 | return FALSE; | |
414 | ||
415 | m_isCurrent = doit; | |
416 | ||
417 | if ( CanBeHighlighted() ) | |
418 | Refresh(); | |
419 | ||
420 | return TRUE; | |
421 | } | |
422 | ||
423 | int wxWindow::GetStateFlags() const | |
424 | { | |
425 | int flags = 0; | |
426 | if ( !IsEnabled() ) | |
427 | flags |= wxCONTROL_DISABLED; | |
428 | ||
429 | // the following states are only possible if our application is active - if | |
430 | // it is not, even our default/focused controls shouldn't appear as such | |
431 | if ( wxTheApp->IsActive() ) | |
432 | { | |
433 | if ( IsCurrent() ) | |
434 | flags |= wxCONTROL_CURRENT; | |
435 | if ( IsFocused() ) | |
436 | flags |= wxCONTROL_FOCUSED; | |
437 | if ( IsPressed() ) | |
438 | flags |= wxCONTROL_PRESSED; | |
439 | if ( IsDefault() ) | |
440 | flags |= wxCONTROL_ISDEFAULT; | |
441 | } | |
442 | ||
443 | return flags; | |
444 | } | |
445 | ||
446 | // ---------------------------------------------------------------------------- | |
447 | // size | |
448 | // ---------------------------------------------------------------------------- | |
449 | ||
450 | void wxWindow::OnSize(wxSizeEvent& event) | |
451 | { | |
452 | if ( m_scrollbarVert || m_scrollbarHorz ) | |
453 | { | |
454 | PositionScrollbars(); | |
455 | } | |
456 | ||
457 | event.Skip(); | |
458 | } | |
459 | ||
460 | wxSize wxWindow::DoGetBestSize() const | |
461 | { | |
462 | return AdjustSize(DoGetBestClientSize()); | |
463 | } | |
464 | ||
465 | wxSize wxWindow::DoGetBestClientSize() const | |
466 | { | |
467 | return wxWindowNative::DoGetBestSize(); | |
468 | } | |
469 | ||
470 | wxSize wxWindow::AdjustSize(const wxSize& size) const | |
471 | { | |
472 | wxSize sz = size; | |
473 | if ( m_renderer ) | |
474 | m_renderer->AdjustSize(&sz, this); | |
475 | return sz; | |
476 | } | |
477 | ||
478 | wxPoint wxWindow::GetClientAreaOrigin() const | |
479 | { | |
480 | wxPoint pt = wxWindowBase::GetClientAreaOrigin(); | |
481 | ||
482 | if ( m_renderer ) | |
483 | pt += m_renderer->GetBorderDimensions(GetBorder()).GetPosition(); | |
484 | ||
485 | return pt; | |
486 | } | |
487 | ||
488 | void wxWindow::DoGetClientSize(int *width, int *height) const | |
489 | { | |
490 | // if it is a native window, we assume it handles the scrollbars itself | |
491 | // too - and if it doesn't, there is not much we can do | |
492 | if ( !m_renderer ) | |
493 | { | |
494 | wxWindowNative::DoGetClientSize(width, height); | |
495 | ||
496 | return; | |
497 | } | |
498 | ||
499 | int w, h; | |
500 | wxWindowNative::DoGetClientSize(&w, &h); | |
501 | ||
502 | // we assume that the scrollbars are positioned correctly (by a previous | |
503 | // call to PositionScrollbars()) here | |
504 | ||
505 | wxRect rectBorder; | |
506 | if ( m_renderer ) | |
507 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
508 | ||
509 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
510 | ||
511 | if ( width ) | |
512 | { | |
513 | // in any case, take account of the scrollbar | |
514 | if ( m_scrollbarVert ) | |
515 | w -= m_scrollbarVert->GetSize().x; | |
516 | ||
517 | // if we don't have scrollbar or if it is outside the border (and not | |
518 | // blended into it), take account of the right border as well | |
519 | if ( !m_scrollbarVert || inside ) | |
520 | w -= rectBorder.width; | |
521 | ||
522 | // and always account for the left border | |
523 | *width = w - rectBorder.x; | |
524 | ||
525 | // we shouldn't return invalid width | |
526 | if ( *width < 0 ) | |
527 | *width = 0; | |
528 | } | |
529 | ||
530 | if ( height ) | |
531 | { | |
532 | if ( m_scrollbarHorz ) | |
533 | h -= m_scrollbarHorz->GetSize().y; | |
534 | ||
535 | if ( !m_scrollbarHorz || inside ) | |
536 | h -= rectBorder.height; | |
537 | ||
538 | *height = h - rectBorder.y; | |
539 | ||
540 | // we shouldn't return invalid height | |
541 | if ( *height < 0 ) | |
542 | *height = 0; | |
543 | } | |
544 | } | |
545 | ||
546 | void wxWindow::DoSetClientSize(int width, int height) | |
547 | { | |
548 | // take into account the borders | |
549 | wxRect rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
550 | width += rectBorder.x; | |
551 | height += rectBorder.y; | |
552 | ||
553 | // and the scrollbars (as they may be offset into the border, use the | |
554 | // scrollbar position, not size - this supposes that PositionScrollbars() | |
555 | // had been called before) | |
556 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
557 | wxSize size = GetSize(); | |
558 | if ( m_scrollbarVert ) | |
559 | width += size.x - m_scrollbarVert->GetPosition().x; | |
560 | if ( !m_scrollbarVert || inside ) | |
561 | width += rectBorder.width; | |
562 | ||
563 | if ( m_scrollbarHorz ) | |
564 | height += size.y - m_scrollbarHorz->GetPosition().y; | |
565 | if ( !m_scrollbarHorz || inside ) | |
566 | height += rectBorder.height; | |
567 | ||
568 | wxWindowNative::DoSetClientSize(width, height); | |
569 | } | |
570 | ||
571 | wxHitTest wxWindow::DoHitTest(wxCoord x, wxCoord y) const | |
572 | { | |
573 | wxHitTest ht = wxWindowNative::DoHitTest(x, y); | |
574 | if ( ht == wxHT_WINDOW_INSIDE ) | |
575 | { | |
576 | if ( m_scrollbarVert && x >= m_scrollbarVert->GetPosition().x ) | |
577 | { | |
578 | // it can still be changed below because it may also be the corner | |
579 | ht = wxHT_WINDOW_VERT_SCROLLBAR; | |
580 | } | |
581 | ||
582 | if ( m_scrollbarHorz && y >= m_scrollbarHorz->GetPosition().y ) | |
583 | { | |
584 | ht = ht == wxHT_WINDOW_VERT_SCROLLBAR ? wxHT_WINDOW_CORNER | |
585 | : wxHT_WINDOW_HORZ_SCROLLBAR; | |
586 | } | |
587 | } | |
588 | ||
589 | return ht; | |
590 | } | |
591 | ||
592 | // ---------------------------------------------------------------------------- | |
593 | // scrolling: we implement it entirely ourselves except for ScrollWindow() | |
594 | // function which is supposed to be (efficiently) implemented by the native | |
595 | // window class | |
596 | // ---------------------------------------------------------------------------- | |
597 | ||
598 | void wxWindow::RefreshScrollbars() | |
599 | { | |
600 | if ( m_scrollbarHorz ) | |
601 | m_scrollbarHorz->Refresh(); | |
602 | ||
603 | if ( m_scrollbarVert ) | |
604 | m_scrollbarVert->Refresh(); | |
605 | } | |
606 | ||
607 | void wxWindow::PositionScrollbars() | |
608 | { | |
609 | // do not use GetClientSize/Rect as it relies on the scrollbars being | |
610 | // correctly positioned | |
611 | ||
612 | wxSize size = GetSize(); | |
613 | wxBorder border = GetBorder(); | |
614 | wxRect rectBorder = m_renderer->GetBorderDimensions(border); | |
615 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
616 | ||
617 | int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0; | |
618 | int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0; | |
619 | ||
620 | wxRect rectBar; | |
621 | if ( m_scrollbarVert ) | |
622 | { | |
623 | rectBar.x = size.x - width; | |
624 | if ( inside ) | |
625 | rectBar.x -= rectBorder.width; | |
626 | rectBar.width = width; | |
627 | rectBar.y = 0; | |
628 | if ( inside ) | |
629 | rectBar.y += rectBorder.y; | |
630 | rectBar.height = size.y - height; | |
631 | if ( inside ) | |
632 | rectBar.height -= rectBorder.y + rectBorder.height; | |
633 | ||
634 | m_scrollbarVert->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); | |
635 | } | |
636 | ||
637 | if ( m_scrollbarHorz ) | |
638 | { | |
639 | rectBar.y = size.y - height; | |
640 | if ( inside ) | |
641 | rectBar.y -= rectBorder.height; | |
642 | rectBar.height = height; | |
643 | rectBar.x = 0; | |
644 | if ( inside ) | |
645 | rectBar.x += rectBorder.x; | |
646 | rectBar.width = size.x - width; | |
647 | if ( inside ) | |
648 | rectBar.width -= rectBorder.x + rectBorder.width; | |
649 | ||
650 | m_scrollbarHorz->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); | |
651 | } | |
652 | ||
653 | RefreshScrollbars(); | |
654 | } | |
655 | ||
656 | void wxWindow::SetScrollbar(int orient, | |
657 | int pos, | |
658 | int pageSize, | |
659 | int range, | |
660 | bool refresh) | |
661 | { | |
662 | wxASSERT_MSG( pageSize <= range, | |
663 | _T("page size can't be greater than range") ); | |
664 | ||
665 | bool hasClientSizeChanged = FALSE; | |
666 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
667 | if ( range && (pageSize < range) ) | |
668 | { | |
669 | if ( !scrollbar ) | |
670 | { | |
671 | // create it | |
672 | scrollbar = new wxScrollBar(this, -1, | |
673 | wxDefaultPosition, wxDefaultSize, | |
674 | orient & wxVERTICAL ? wxSB_VERTICAL | |
675 | : wxSB_HORIZONTAL); | |
676 | if ( orient & wxVERTICAL ) | |
677 | m_scrollbarVert = scrollbar; | |
678 | else | |
679 | m_scrollbarHorz = scrollbar; | |
680 | ||
681 | // the client area diminished as we created a scrollbar | |
682 | hasClientSizeChanged = TRUE; | |
683 | ||
684 | PositionScrollbars(); | |
685 | } | |
686 | else if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) | |
687 | { | |
688 | // we might have disabled it before | |
689 | scrollbar->Enable(); | |
690 | } | |
691 | ||
692 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); | |
693 | } | |
694 | else // no range means no scrollbar | |
695 | { | |
696 | if ( scrollbar ) | |
697 | { | |
698 | // wxALWAYS_SHOW_SB only applies to the vertical scrollbar | |
699 | if ( (orient & wxVERTICAL) && (GetWindowStyle() & wxALWAYS_SHOW_SB) ) | |
700 | { | |
701 | // just disable the scrollbar | |
702 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); | |
703 | scrollbar->Disable(); | |
704 | } | |
705 | else // really remove the scrollbar | |
706 | { | |
707 | delete scrollbar; | |
708 | ||
709 | if ( orient & wxVERTICAL ) | |
710 | m_scrollbarVert = NULL; | |
711 | else | |
712 | m_scrollbarHorz = NULL; | |
713 | ||
714 | // the client area increased as we removed a scrollbar | |
715 | hasClientSizeChanged = TRUE; | |
716 | ||
717 | // the size of the remaining scrollbar must be adjusted | |
718 | if ( m_scrollbarHorz || m_scrollbarVert ) | |
719 | { | |
720 | PositionScrollbars(); | |
721 | } | |
722 | } | |
723 | } | |
724 | } | |
725 | ||
726 | // give the window a chance to relayout | |
727 | if ( hasClientSizeChanged ) | |
728 | { | |
729 | wxSizeEvent event(GetSize()); | |
730 | (void)GetEventHandler()->ProcessEvent(event); | |
731 | } | |
732 | } | |
733 | ||
734 | void wxWindow::SetScrollPos(int orient, int pos, bool refresh) | |
735 | { | |
736 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
737 | wxCHECK_RET( scrollbar, _T("no scrollbar to set position for") ); | |
738 | ||
739 | scrollbar->SetThumbPosition(pos); | |
740 | ||
741 | // VZ: I think we can safely ignore this as we always refresh it | |
742 | // automatically whenever the value chanegs | |
743 | #if 0 | |
744 | if ( refresh ) | |
745 | Refresh(); | |
746 | #endif | |
747 | } | |
748 | ||
749 | int wxWindow::GetScrollPos(int orient) const | |
750 | { | |
751 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
752 | return scrollbar ? scrollbar->GetThumbPosition() : 0; | |
753 | } | |
754 | ||
755 | int wxWindow::GetScrollThumb(int orient) const | |
756 | { | |
757 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
758 | return scrollbar ? scrollbar->GetThumbSize() : 0; | |
759 | } | |
760 | ||
761 | int wxWindow::GetScrollRange(int orient) const | |
762 | { | |
763 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
764 | return scrollbar ? scrollbar->GetRange() : 0; | |
765 | } | |
766 | ||
767 | void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect) | |
768 | { | |
769 | // before scrolling it, ensure that we don't have any unpainted areas | |
770 | Update(); | |
771 | ||
772 | wxRect r; | |
773 | ||
774 | if ( dx ) | |
775 | { | |
776 | r = ScrollNoRefresh(dx, 0, rect); | |
777 | Refresh(TRUE /* erase bkgnd */, &r); | |
778 | } | |
779 | ||
780 | if ( dy ) | |
781 | { | |
782 | r = ScrollNoRefresh(0, dy, rect); | |
783 | Refresh(TRUE /* erase bkgnd */, &r); | |
784 | } | |
785 | } | |
786 | ||
787 | wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal) | |
788 | { | |
789 | wxASSERT_MSG( !dx || !dy, _T("can't be used for diag scrolling") ); | |
790 | ||
791 | // the rect to refresh (which we will calculate) | |
792 | wxRect rect; | |
793 | ||
794 | if ( !dx && !dy ) | |
795 | { | |
796 | // nothing to do | |
797 | return rect; | |
798 | } | |
799 | ||
800 | // calculate the part of the window which we can just redraw in the new | |
801 | // location | |
802 | wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize(); | |
803 | ||
804 | wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"), | |
805 | sizeTotal.x, sizeTotal.y, dx, dy); | |
806 | ||
807 | // the initial and end point of the region we move in client coords | |
808 | wxPoint ptSource, ptDest; | |
809 | if ( rectTotal ) | |
810 | { | |
811 | ptSource = rectTotal->GetPosition(); | |
812 | ptDest = rectTotal->GetPosition(); | |
813 | } | |
814 | ||
815 | // the size of this region | |
816 | wxSize size; | |
817 | size.x = sizeTotal.x - abs(dx); | |
818 | size.y = sizeTotal.y - abs(dy); | |
819 | if ( size.x <= 0 || size.y <= 0 ) | |
820 | { | |
821 | // just redraw everything as nothing of the displayed image will stay | |
822 | wxLogTrace(_T("scroll"), _T("refreshing everything")); | |
823 | ||
824 | rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y); | |
825 | } | |
826 | else // move the part which doesn't change to the new location | |
827 | { | |
828 | // note that when we scroll the canvas in some direction we move the | |
829 | // block which doesn't need to be refreshed in the opposite direction | |
830 | ||
831 | if ( dx < 0 ) | |
832 | { | |
833 | // scroll to the right, move to the left | |
834 | ptSource.x -= dx; | |
835 | } | |
836 | else | |
837 | { | |
838 | // scroll to the left, move to the right | |
839 | ptDest.x += dx; | |
840 | } | |
841 | ||
842 | if ( dy < 0 ) | |
843 | { | |
844 | // scroll down, move up | |
845 | ptSource.y -= dy; | |
846 | } | |
847 | else | |
848 | { | |
849 | // scroll up, move down | |
850 | ptDest.y += dy; | |
851 | } | |
852 | ||
853 | #if wxUSE_CARET | |
854 | // we need to hide the caret before moving or it will erase itself at | |
855 | // the wrong (old) location | |
856 | wxCaret *caret = GetCaret(); | |
857 | if ( caret ) | |
858 | caret->Hide(); | |
859 | #endif // wxUSE_CARET | |
860 | ||
861 | // do move | |
862 | wxClientDC dc(this); | |
863 | wxBitmap bmp(size.x, size.y); | |
864 | wxMemoryDC dcMem; | |
865 | dcMem.SelectObject(bmp); | |
866 | ||
867 | dcMem.Blit(wxPoint(0, 0), size, &dc, ptSource | |
868 | #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT) | |
869 | + GetClientAreaOrigin() | |
870 | #endif // broken wxGTK wxDC::Blit | |
871 | ); | |
872 | dc.Blit(ptDest, size, &dcMem, wxPoint(0, 0)); | |
873 | ||
874 | wxLogTrace(_T("scroll"), | |
875 | _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"), | |
876 | ptSource.x, ptSource.y, | |
877 | size.x, size.y, | |
878 | ptDest.x, ptDest.y); | |
879 | ||
880 | // and now repaint the uncovered area | |
881 | ||
882 | // FIXME: We repaint the intersection of these rectangles twice - is | |
883 | // it bad? I don't think so as it is rare to scroll the window | |
884 | // diagonally anyhow and so adding extra logic to compute | |
885 | // rectangle intersection is probably not worth the effort | |
886 | ||
887 | rect.x = ptSource.x; | |
888 | rect.y = ptSource.y; | |
889 | ||
890 | if ( dx ) | |
891 | { | |
892 | if ( dx < 0 ) | |
893 | { | |
894 | // refresh the area along the right border | |
895 | rect.x += size.x + dx; | |
896 | rect.width = -dx; | |
897 | } | |
898 | else | |
899 | { | |
900 | // refresh the area along the left border | |
901 | rect.width = dx; | |
902 | } | |
903 | ||
904 | rect.height = sizeTotal.y; | |
905 | ||
906 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), | |
907 | rect.x, rect.y, | |
908 | rect.GetRight() + 1, rect.GetBottom() + 1); | |
909 | } | |
910 | ||
911 | if ( dy ) | |
912 | { | |
913 | if ( dy < 0 ) | |
914 | { | |
915 | // refresh the area along the bottom border | |
916 | rect.y += size.y + dy; | |
917 | rect.height = -dy; | |
918 | } | |
919 | else | |
920 | { | |
921 | // refresh the area along the top border | |
922 | rect.height = dy; | |
923 | } | |
924 | ||
925 | rect.width = sizeTotal.x; | |
926 | ||
927 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), | |
928 | rect.x, rect.y, | |
929 | rect.GetRight() + 1, rect.GetBottom() + 1); | |
930 | } | |
931 | ||
932 | #if wxUSE_CARET | |
933 | if ( caret ) | |
934 | caret->Show(); | |
935 | #endif // wxUSE_CARET | |
936 | } | |
937 | ||
938 | return rect; | |
939 | } | |
940 | ||
941 | // ---------------------------------------------------------------------------- | |
942 | // colours/fonts | |
943 | // ---------------------------------------------------------------------------- | |
944 | ||
945 | bool wxWindow::SetBackgroundColour(const wxColour& colour) | |
946 | { | |
947 | if ( !wxWindowNative::SetBackgroundColour(colour) ) | |
948 | return FALSE; | |
949 | ||
950 | m_hasBgCol = TRUE; | |
951 | ||
952 | return TRUE; | |
953 | } | |
954 | ||
955 | bool wxWindow::SetForegroundColour(const wxColour& colour) | |
956 | { | |
957 | if ( !wxWindowNative::SetForegroundColour(colour) ) | |
958 | return FALSE; | |
959 | ||
960 | m_hasFgCol = TRUE; | |
961 | ||
962 | return TRUE; | |
963 | } | |
964 | ||
965 | bool wxWindow::SetFont(const wxFont& font) | |
966 | { | |
967 | if ( !wxWindowNative::SetFont(font) ) | |
968 | return FALSE; | |
969 | ||
970 | m_hasFont = TRUE; | |
971 | ||
972 | return TRUE; | |
973 | } | |
974 | ||
975 | // ---------------------------------------------------------------------------- | |
976 | // mouse capture | |
977 | // ---------------------------------------------------------------------------- | |
978 | ||
979 | struct WXDLLEXPORT wxWindowNext | |
980 | { | |
981 | wxWindow *win; | |
982 | wxWindowNext *next; | |
983 | } *wxWindow::ms_winCaptureNext = NULL; | |
984 | ||
985 | void wxWindow::CaptureMouse() | |
986 | { | |
987 | wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this); | |
988 | ||
989 | wxWindow *winOld = GetCapture(); | |
990 | if ( winOld ) | |
991 | { | |
992 | // save it on stack | |
993 | wxWindowNext *item = new wxWindowNext; | |
994 | item->win = winOld; | |
995 | item->next = ms_winCaptureNext; | |
996 | ms_winCaptureNext = item; | |
997 | } | |
998 | //else: no mouse capture to save | |
999 | ||
1000 | wxWindowNative::CaptureMouse(); | |
1001 | } | |
1002 | ||
1003 | void wxWindow::ReleaseMouse() | |
1004 | { | |
1005 | wxWindowNative::ReleaseMouse(); | |
1006 | ||
1007 | if ( ms_winCaptureNext ) | |
1008 | { | |
1009 | ms_winCaptureNext->win->CaptureMouse(); | |
1010 | ||
1011 | wxWindowNext *item = ms_winCaptureNext; | |
1012 | ms_winCaptureNext = item->next; | |
1013 | delete item; | |
1014 | } | |
1015 | //else: stack is empty, no previous capture | |
1016 | ||
1017 | wxLogTrace(_T("mousecapture"), | |
1018 | _T("After ReleaseMouse() mouse is captured by 0x%08x"), | |
1019 | GetCapture()); | |
1020 | } | |
1021 | ||
1022 | // ---------------------------------------------------------------------------- | |
1023 | // accelerators and menu hot keys | |
1024 | // ---------------------------------------------------------------------------- | |
1025 | ||
1026 | #if wxUSE_MENUS | |
1027 | // the last window over which Alt was pressed (used by OnKeyUp) | |
1028 | wxWindow *wxWindow::ms_winLastAltPress = NULL; | |
1029 | #endif // wxUSE_MENUS | |
1030 | ||
1031 | #if wxUSE_ACCEL || wxUSE_MENUS | |
1032 | ||
1033 | void wxWindow::OnKeyDown(wxKeyEvent& event) | |
1034 | { | |
1035 | #if wxUSE_MENUS | |
1036 | int key = event.GetKeyCode(); | |
1037 | if ( !event.ControlDown() && (key == WXK_MENU || key == WXK_F10) ) | |
1038 | { | |
1039 | ms_winLastAltPress = this; | |
1040 | ||
1041 | // it can't be an accel anyhow | |
1042 | return; | |
1043 | } | |
1044 | ||
1045 | ms_winLastAltPress = NULL; | |
1046 | #endif // wxUSE_MENUS | |
1047 | ||
1048 | #if wxUSE_ACCEL | |
1049 | for ( wxWindow *win = this; win; win = win->GetParent() ) | |
1050 | { | |
1051 | int command = win->GetAcceleratorTable()->GetCommand(event); | |
1052 | if ( command != -1 ) | |
1053 | { | |
1054 | wxCommandEvent eventCmd(wxEVT_COMMAND_MENU_SELECTED, command); | |
1055 | if ( win->GetEventHandler()->ProcessEvent(eventCmd) ) | |
1056 | { | |
1057 | // skip "event.Skip()" below | |
1058 | return; | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | if ( win->IsTopLevel() ) | |
1063 | { | |
1064 | // try the frame menu bar | |
1065 | #if wxUSE_MENUS | |
1066 | wxFrame *frame = wxDynamicCast(win, wxFrame); | |
1067 | if ( frame ) | |
1068 | { | |
1069 | wxMenuBar *menubar = frame->GetMenuBar(); | |
1070 | if ( menubar && menubar->ProcessAccelEvent(event) ) | |
1071 | { | |
1072 | // skip "event.Skip()" below | |
1073 | return; | |
1074 | } | |
1075 | } | |
1076 | #endif // wxUSE_MENUS | |
1077 | ||
1078 | // don't propagate accels from the child frame to the parent one | |
1079 | break; | |
1080 | } | |
1081 | } | |
1082 | #endif // wxUSE_ACCEL | |
1083 | ||
1084 | event.Skip(); | |
1085 | } | |
1086 | ||
1087 | #endif // wxUSE_ACCEL | |
1088 | ||
1089 | #if wxUSE_MENUS | |
1090 | ||
1091 | wxMenuBar *wxWindow::GetParentFrameMenuBar() const | |
1092 | { | |
1093 | for ( const wxWindow *win = this; win; win = win->GetParent() ) | |
1094 | { | |
1095 | if ( win->IsTopLevel() ) | |
1096 | { | |
1097 | wxFrame *frame = wxDynamicCast(win, wxFrame); | |
1098 | if ( frame ) | |
1099 | { | |
1100 | return frame->GetMenuBar(); | |
1101 | } | |
1102 | ||
1103 | // don't look further - we don't want to return the menubar of the | |
1104 | // parent frame | |
1105 | break; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | return NULL; | |
1110 | } | |
1111 | ||
1112 | void wxWindow::OnChar(wxKeyEvent& event) | |
1113 | { | |
1114 | if ( event.AltDown() && !event.ControlDown() ) | |
1115 | { | |
1116 | int key = event.GetKeyCode(); | |
1117 | ||
1118 | wxMenuBar *menubar = GetParentFrameMenuBar(); | |
1119 | if ( menubar ) | |
1120 | { | |
1121 | int item = menubar->FindNextItemForAccel(-1, key); | |
1122 | if ( item != -1 ) | |
1123 | { | |
1124 | menubar->PopupMenu((size_t)item); | |
1125 | ||
1126 | // skip "event.Skip()" below | |
1127 | return; | |
1128 | } | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | event.Skip(); | |
1133 | } | |
1134 | ||
1135 | void wxWindow::OnKeyUp(wxKeyEvent& event) | |
1136 | { | |
1137 | int key = event.GetKeyCode(); | |
1138 | if ( !event.HasModifiers() && (key == WXK_MENU || key == WXK_F10) ) | |
1139 | { | |
1140 | // only process Alt release specially if there were no other key | |
1141 | // presses since Alt had been pressed and if both events happened in | |
1142 | // the same window | |
1143 | if ( ms_winLastAltPress == this ) | |
1144 | { | |
1145 | wxMenuBar *menubar = GetParentFrameMenuBar(); | |
1146 | if ( menubar && this != menubar ) | |
1147 | { | |
1148 | menubar->SelectMenu(0); | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | else | |
1153 | { | |
1154 | event.Skip(); | |
1155 | } | |
1156 | ||
1157 | // in any case reset it | |
1158 | ms_winLastAltPress = NULL; | |
1159 | } | |
1160 | ||
1161 | #endif // wxUSE_MENUS | |
1162 |