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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 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
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" | |
8cb172b4 | 39 | #include "wx/frame.h" |
1e6feb95 VZ |
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 | // ============================================================================ | |
58 | // implementation | |
59 | // ============================================================================ | |
60 | ||
61 | // ---------------------------------------------------------------------------- | |
62 | // event tables | |
63 | // ---------------------------------------------------------------------------- | |
64 | ||
65 | // we can't use wxWindowNative here as it won't be expanded inside the macro | |
66 | #if defined(__WXMSW__) | |
67 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW) | |
68 | #elif defined(__WXGTK__) | |
69 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK) | |
70 | #elif defined(__WXMGL__) | |
71 | IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL) | |
72 | #endif | |
73 | ||
74 | BEGIN_EVENT_TABLE(wxWindow, wxWindowNative) | |
75 | EVT_SIZE(wxWindow::OnSize) | |
76 | ||
77 | #if wxUSE_ACCEL || wxUSE_MENUS | |
78 | EVT_KEY_DOWN(wxWindow::OnKeyDown) | |
79 | #endif // wxUSE_ACCEL | |
80 | ||
81 | #if wxUSE_MENUS | |
82 | EVT_CHAR(wxWindow::OnChar) | |
83 | EVT_KEY_UP(wxWindow::OnKeyUp) | |
84 | #endif // wxUSE_MENUS | |
85 | ||
86 | EVT_PAINT(wxWindow::OnPaint) | |
87 | EVT_NC_PAINT(wxWindow::OnNcPaint) | |
88 | EVT_ERASE_BACKGROUND(wxWindow::OnErase) | |
89 | END_EVENT_TABLE() | |
90 | ||
91 | // ---------------------------------------------------------------------------- | |
92 | // creation | |
93 | // ---------------------------------------------------------------------------- | |
94 | ||
95 | void wxWindow::Init() | |
96 | { | |
97 | m_scrollbarVert = | |
98 | m_scrollbarHorz = (wxScrollBar *)NULL; | |
99 | ||
100 | m_isCurrent = FALSE; | |
101 | ||
102 | m_renderer = wxTheme::Get()->GetRenderer(); | |
103 | } | |
104 | ||
105 | bool wxWindow::Create(wxWindow *parent, | |
106 | wxWindowID id, | |
107 | const wxPoint& pos, | |
108 | const wxSize& size, | |
109 | long style, | |
110 | const wxString& name) | |
111 | { | |
112 | // we add wxCLIP_CHILDREN and wxNO_FULL_REPAINT_ON_RESIZE because without | |
113 | // these styles we can't get rid of flicker on wxMSW | |
114 | if ( !wxWindowNative::Create(parent, id, pos, size, | |
115 | style | | |
116 | wxCLIP_CHILDREN | | |
117 | wxNO_FULL_REPAINT_ON_RESIZE, name) ) | |
118 | { | |
119 | return FALSE; | |
120 | } | |
121 | ||
122 | // if we should always have the scrollbar, do show it | |
123 | if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) | |
124 | { | |
125 | m_scrollbarVert = new wxScrollBar(this, -1, | |
126 | wxDefaultPosition, wxDefaultSize, | |
127 | wxSB_VERTICAL); | |
128 | ||
129 | // and position it | |
130 | PositionScrollbars(); | |
131 | } | |
132 | ||
133 | // the colours/fonts are default | |
134 | m_hasBgCol = | |
135 | m_hasFgCol = | |
136 | m_hasFont = FALSE; | |
137 | ||
138 | return TRUE; | |
139 | } | |
140 | ||
141 | // ---------------------------------------------------------------------------- | |
142 | // background pixmap | |
143 | // ---------------------------------------------------------------------------- | |
144 | ||
145 | void wxWindow::SetBackground(const wxBitmap& bitmap, | |
146 | int alignment, | |
147 | wxStretch stretch) | |
148 | { | |
149 | m_bitmapBg = bitmap; | |
150 | m_alignBgBitmap = alignment; | |
151 | m_stretchBgBitmap = stretch; | |
152 | } | |
153 | ||
154 | const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment, | |
155 | wxStretch *stretch) const | |
156 | { | |
157 | if ( m_bitmapBg.Ok() ) | |
158 | { | |
159 | if ( alignment ) | |
160 | *alignment = m_alignBgBitmap; | |
161 | if ( stretch ) | |
162 | *stretch = m_stretchBgBitmap; | |
163 | } | |
164 | ||
165 | return m_bitmapBg; | |
166 | } | |
167 | ||
168 | // ---------------------------------------------------------------------------- | |
169 | // painting | |
170 | // ---------------------------------------------------------------------------- | |
171 | ||
172 | // the event handler executed when the window background must be painted | |
173 | void wxWindow::OnErase(wxEraseEvent& event) | |
174 | { | |
175 | if ( !m_renderer ) | |
176 | { | |
177 | event.Skip(); | |
178 | ||
179 | return; | |
180 | } | |
181 | ||
182 | DoDrawBackground(*event.GetDC()); | |
183 | ||
184 | // if we have both scrollbars, we also have a square in the corner between | |
185 | // them which we must paint | |
186 | if ( m_scrollbarVert && m_scrollbarHorz ) | |
187 | { | |
188 | wxSize size = GetSize(); | |
189 | wxRect rectClient = GetClientRect(), | |
190 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
191 | ||
192 | wxRect rectCorner; | |
193 | rectCorner.x = rectClient.GetRight() + 1; | |
194 | rectCorner.y = rectClient.GetBottom() + 1; | |
195 | rectCorner.SetRight(size.x - rectBorder.width); | |
196 | rectCorner.SetBottom(size.y - rectBorder.height); | |
197 | ||
198 | if ( GetUpdateRegion().Contains(rectCorner) ) | |
199 | { | |
200 | m_renderer->DrawScrollCorner(*event.GetDC(), rectCorner); | |
201 | } | |
202 | } | |
203 | } | |
204 | ||
205 | // the event handlers executed when the window must be repainted | |
206 | void wxWindow::OnNcPaint(wxPaintEvent& event) | |
207 | { | |
208 | if ( m_renderer ) | |
209 | { | |
210 | // get the window rect | |
211 | wxRect rect; | |
212 | wxSize size = GetSize(); | |
213 | rect.x = | |
214 | rect.y = 0; | |
215 | rect.width = size.x; | |
216 | rect.height = size.y; | |
217 | ||
218 | // if the scrollbars are outside the border, we must adjust the rect to | |
219 | // exclude them | |
220 | if ( !m_renderer->AreScrollbarsInsideBorder() ) | |
221 | { | |
222 | wxScrollBar *scrollbar = GetScrollbar(wxVERTICAL); | |
223 | if ( scrollbar ) | |
224 | rect.width -= scrollbar->GetSize().x; | |
225 | ||
226 | scrollbar = GetScrollbar(wxHORIZONTAL); | |
227 | if ( scrollbar ) | |
228 | rect.height -= scrollbar->GetSize().y; | |
229 | } | |
230 | ||
231 | // get the DC and draw the border on it | |
232 | wxWindowDC dc(this); | |
233 | DoDrawBorder(dc, rect); | |
234 | } | |
235 | } | |
236 | ||
237 | void wxWindow::OnPaint(wxPaintEvent& event) | |
238 | { | |
239 | if ( !m_renderer ) | |
240 | { | |
241 | // it is a native control which paints itself | |
242 | event.Skip(); | |
243 | } | |
244 | else | |
245 | { | |
246 | // get the DC to use and create renderer on it | |
247 | wxPaintDC dc(this); | |
248 | wxControlRenderer renderer(this, dc, m_renderer); | |
249 | ||
250 | // draw the control | |
251 | DoDraw(&renderer); | |
252 | } | |
253 | } | |
254 | ||
255 | bool wxWindow::DoDrawBackground(wxDC& dc) | |
256 | { | |
257 | // FIXME: leaving this code in leads to partial bg redraws sometimes under | |
258 | // MSW | |
259 | wxRect rect; | |
260 | #ifndef __WXMSW__ | |
261 | rect = GetUpdateRegion().GetBox(); | |
262 | if ( !rect.width && !rect.height ) | |
263 | #endif | |
264 | { | |
265 | wxSize size = GetSize(); | |
266 | rect.width = size.x; | |
267 | rect.height = size.y; | |
268 | } | |
269 | ||
270 | if ( GetBackgroundBitmap().Ok() ) | |
271 | { | |
272 | // get the bitmap and the flags | |
273 | int alignment; | |
274 | wxStretch stretch; | |
275 | wxBitmap bmp = GetBackgroundBitmap(&alignment, &stretch); | |
276 | wxControlRenderer::DrawBitmap(dc, bmp, rect, alignment, stretch); | |
277 | } | |
278 | else // just fill it with bg colour if no bitmap | |
279 | { | |
280 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), | |
281 | rect, GetStateFlags()); | |
282 | } | |
283 | ||
284 | return TRUE; | |
285 | } | |
286 | ||
287 | void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect) | |
288 | { | |
289 | // TODO: handle bg bitmaps here! | |
290 | ||
291 | m_renderer->DrawBackground(dc, wxTHEME_BG_COLOUR(this), rect, GetStateFlags()); | |
292 | } | |
293 | ||
294 | void wxWindow::DoDrawBorder(wxDC& dc, const wxRect& rect) | |
295 | { | |
296 | // draw outline unless the update region is enitrely inside it in which | |
297 | // case we don't need to do it | |
298 | #if 0 // doesn't seem to work, why? | |
299 | if ( wxRegion(rect).Contains(GetUpdateRegion().GetBox()) != wxInRegion ) | |
300 | #endif | |
301 | { | |
302 | m_renderer->DrawBorder(dc, GetBorder(), rect, GetStateFlags()); | |
303 | } | |
304 | } | |
305 | ||
306 | void wxWindow::DoDraw(wxControlRenderer *renderer) | |
307 | { | |
308 | } | |
309 | ||
310 | void wxWindow::Refresh(bool eraseBackground, const wxRect *rectClient) | |
311 | { | |
312 | wxRect rectWin; | |
313 | wxPoint pt = GetClientAreaOrigin(); | |
314 | ||
315 | wxSize size = GetClientSize(); | |
316 | ||
317 | if ( rectClient ) | |
318 | { | |
319 | rectWin = *rectClient; | |
320 | ||
321 | // don't refresh anything beyond the client area (scrollbars for | |
322 | // example) | |
323 | if ( rectWin.GetRight() > size.x ) | |
324 | rectWin.SetRight(size.x); | |
325 | if ( rectWin.GetBottom() > size.y ) | |
326 | rectWin.SetBottom(size.y); | |
327 | ||
328 | rectWin.Offset(pt); | |
329 | } | |
330 | else // refresh the entire client area | |
331 | { | |
332 | rectWin.x = pt.x; | |
333 | rectWin.y = pt.y; | |
334 | rectWin.width = size.x; | |
335 | rectWin.height = size.y; | |
336 | } | |
337 | ||
338 | // debugging helper | |
339 | #ifdef WXDEBUG_REFRESH | |
340 | static bool s_refreshDebug = FALSE; | |
341 | if ( s_refreshDebug ) | |
342 | { | |
343 | wxWindowDC dc(this); | |
344 | dc.SetBrush(*wxCYAN_BRUSH); | |
345 | dc.SetPen(*wxTRANSPARENT_PEN); | |
346 | dc.DrawRectangle(rectWin); | |
347 | ||
348 | // under Unix we use "--sync" X option for this | |
8cb172b4 | 349 | #if defined(__WXMSW__) && !defined(__WXMICROWIN__) |
1e6feb95 VZ |
350 | ::GdiFlush(); |
351 | ::Sleep(200); | |
352 | #endif // __WXMSW__ | |
353 | } | |
354 | #endif // WXDEBUG_REFRESH | |
355 | ||
356 | wxWindowNative::Refresh(eraseBackground, &rectWin); | |
357 | } | |
358 | ||
359 | // ---------------------------------------------------------------------------- | |
360 | // state flags | |
361 | // ---------------------------------------------------------------------------- | |
362 | ||
363 | bool wxWindow::Enable(bool enable) | |
364 | { | |
365 | if ( !wxWindowNative::Enable(enable) ) | |
366 | return FALSE; | |
367 | ||
368 | // disabled window can't keep focus | |
369 | if ( FindFocus() == this ) | |
370 | { | |
371 | GetParent()->SetFocus(); | |
372 | } | |
373 | ||
374 | if ( m_renderer ) | |
375 | { | |
376 | // a window with renderer is drawn by ourselves and it has to be | |
377 | // refreshed to reflect its new status | |
378 | Refresh(); | |
379 | } | |
380 | ||
381 | return TRUE; | |
382 | } | |
383 | ||
384 | bool wxWindow::IsFocused() const | |
385 | { | |
386 | wxWindow *self = wxConstCast(this, wxWindow); | |
387 | return self->FindFocus() == self; | |
388 | } | |
389 | ||
390 | bool wxWindow::IsPressed() const | |
391 | { | |
392 | return FALSE; | |
393 | } | |
394 | ||
395 | bool wxWindow::IsDefault() const | |
396 | { | |
397 | return FALSE; | |
398 | } | |
399 | ||
400 | bool wxWindow::IsCurrent() const | |
401 | { | |
402 | return m_isCurrent; | |
403 | } | |
404 | ||
405 | bool wxWindow::SetCurrent(bool doit) | |
406 | { | |
407 | if ( doit == m_isCurrent ) | |
408 | return FALSE; | |
409 | ||
410 | m_isCurrent = doit; | |
411 | ||
412 | if ( CanBeHighlighted() ) | |
413 | Refresh(); | |
414 | ||
415 | return TRUE; | |
416 | } | |
417 | ||
418 | int wxWindow::GetStateFlags() const | |
419 | { | |
420 | int flags = 0; | |
421 | if ( !IsEnabled() ) | |
422 | flags |= wxCONTROL_DISABLED; | |
423 | ||
424 | // the following states are only possible if our application is active - if | |
425 | // it is not, even our default/focused controls shouldn't appear as such | |
426 | if ( wxTheApp->IsActive() ) | |
427 | { | |
428 | if ( IsCurrent() ) | |
429 | flags |= wxCONTROL_CURRENT; | |
430 | if ( IsFocused() ) | |
431 | flags |= wxCONTROL_FOCUSED; | |
432 | if ( IsPressed() ) | |
433 | flags |= wxCONTROL_PRESSED; | |
434 | if ( IsDefault() ) | |
435 | flags |= wxCONTROL_ISDEFAULT; | |
436 | } | |
437 | ||
438 | return flags; | |
439 | } | |
440 | ||
441 | // ---------------------------------------------------------------------------- | |
442 | // size | |
443 | // ---------------------------------------------------------------------------- | |
444 | ||
445 | void wxWindow::OnSize(wxSizeEvent& event) | |
446 | { | |
447 | if ( m_scrollbarVert || m_scrollbarHorz ) | |
448 | { | |
449 | PositionScrollbars(); | |
450 | } | |
451 | ||
452 | event.Skip(); | |
453 | } | |
454 | ||
455 | wxSize wxWindow::DoGetBestSize() const | |
456 | { | |
457 | return AdjustSize(DoGetBestClientSize()); | |
458 | } | |
459 | ||
460 | wxSize wxWindow::DoGetBestClientSize() const | |
461 | { | |
462 | return wxWindowNative::DoGetBestSize(); | |
463 | } | |
464 | ||
465 | wxSize wxWindow::AdjustSize(const wxSize& size) const | |
466 | { | |
467 | wxSize sz = size; | |
468 | if ( m_renderer ) | |
469 | m_renderer->AdjustSize(&sz, this); | |
470 | return sz; | |
471 | } | |
472 | ||
473 | wxPoint wxWindow::GetClientAreaOrigin() const | |
474 | { | |
475 | wxPoint pt = wxWindowBase::GetClientAreaOrigin(); | |
476 | ||
477 | if ( m_renderer ) | |
478 | pt += m_renderer->GetBorderDimensions(GetBorder()).GetPosition(); | |
479 | ||
480 | return pt; | |
481 | } | |
482 | ||
483 | void wxWindow::DoGetClientSize(int *width, int *height) const | |
484 | { | |
485 | int w, h; | |
486 | wxWindowNative::DoGetClientSize(&w, &h); | |
487 | ||
488 | // we assume that the scrollbars are positioned correctly (by a previous | |
489 | // call to PositionScrollbars()) here | |
490 | ||
491 | wxRect rectBorder; | |
492 | if ( m_renderer ) | |
493 | rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
494 | ||
495 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
496 | ||
497 | if ( width ) | |
498 | { | |
499 | // in any case, take account of the scrollbar | |
500 | if ( m_scrollbarVert ) | |
501 | w -= m_scrollbarVert->GetSize().x; | |
502 | ||
503 | // if we don't have scrollbar or if it is outside the border (and not | |
504 | // blended into it), take account of the right border as well | |
505 | if ( !m_scrollbarVert || inside ) | |
506 | w -= rectBorder.width; | |
507 | ||
508 | // and always account for the left border | |
509 | *width = w - rectBorder.x; | |
510 | ||
511 | // we shouldn't return invalid width | |
512 | if ( *width < 0 ) | |
513 | *width = 0; | |
514 | } | |
515 | ||
516 | if ( height ) | |
517 | { | |
518 | if ( m_scrollbarHorz ) | |
519 | h -= m_scrollbarHorz->GetSize().y; | |
520 | ||
521 | if ( !m_scrollbarHorz || inside ) | |
522 | h -= rectBorder.height; | |
523 | ||
524 | *height = h - rectBorder.y; | |
525 | ||
526 | // we shouldn't return invalid height | |
527 | if ( *height < 0 ) | |
528 | *height = 0; | |
529 | } | |
530 | } | |
531 | ||
532 | void wxWindow::DoSetClientSize(int width, int height) | |
533 | { | |
534 | // take into account the borders | |
535 | wxRect rectBorder = m_renderer->GetBorderDimensions(GetBorder()); | |
536 | width += rectBorder.x; | |
537 | height += rectBorder.y; | |
538 | ||
539 | // and the scrollbars (as they may be offset into the border, use the | |
540 | // scrollbar position, not size - this supposes that PositionScrollbars() | |
541 | // had been called before) | |
542 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
543 | wxSize size = GetSize(); | |
544 | if ( m_scrollbarVert ) | |
545 | width += size.x - m_scrollbarVert->GetPosition().x; | |
546 | if ( !m_scrollbarVert || inside ) | |
547 | width += rectBorder.width; | |
548 | ||
549 | if ( m_scrollbarHorz ) | |
550 | height += size.y - m_scrollbarHorz->GetPosition().y; | |
551 | if ( !m_scrollbarHorz || inside ) | |
552 | height += rectBorder.height; | |
553 | ||
554 | wxWindowNative::DoSetClientSize(width, height); | |
555 | } | |
556 | ||
557 | wxHitTest wxWindow::DoHitTest(wxCoord x, wxCoord y) const | |
558 | { | |
559 | wxHitTest ht = wxWindowNative::DoHitTest(x, y); | |
560 | if ( ht == wxHT_WINDOW_INSIDE ) | |
561 | { | |
562 | if ( m_scrollbarVert && x >= m_scrollbarVert->GetPosition().x ) | |
563 | { | |
564 | // it can still be changed below because it may also be the corner | |
565 | ht = wxHT_WINDOW_VERT_SCROLLBAR; | |
566 | } | |
567 | ||
568 | if ( m_scrollbarHorz && y >= m_scrollbarHorz->GetPosition().y ) | |
569 | { | |
570 | ht = ht == wxHT_WINDOW_VERT_SCROLLBAR ? wxHT_WINDOW_CORNER | |
571 | : wxHT_WINDOW_HORZ_SCROLLBAR; | |
572 | } | |
573 | } | |
574 | ||
575 | return ht; | |
576 | } | |
577 | ||
578 | // ---------------------------------------------------------------------------- | |
579 | // scrolling: we implement it entirely ourselves except for ScrollWindow() | |
580 | // function which is supposed to be (efficiently) implemented by the native | |
581 | // window class | |
582 | // ---------------------------------------------------------------------------- | |
583 | ||
584 | void wxWindow::RefreshScrollbars() | |
585 | { | |
586 | if ( m_scrollbarHorz ) | |
587 | m_scrollbarHorz->Refresh(); | |
588 | ||
589 | if ( m_scrollbarVert ) | |
590 | m_scrollbarVert->Refresh(); | |
591 | } | |
592 | ||
593 | void wxWindow::PositionScrollbars() | |
594 | { | |
595 | // do not use GetClientSize/Rect as it relies on the scrollbars being | |
596 | // correctly positioned | |
597 | ||
598 | wxSize size = GetSize(); | |
599 | wxBorder border = GetBorder(); | |
600 | wxRect rectBorder = m_renderer->GetBorderDimensions(border); | |
601 | bool inside = m_renderer->AreScrollbarsInsideBorder(); | |
602 | ||
603 | int height = m_scrollbarHorz ? m_scrollbarHorz->GetSize().y : 0; | |
604 | int width = m_scrollbarVert ? m_scrollbarVert->GetSize().x : 0; | |
605 | ||
606 | wxRect rectBar; | |
607 | if ( m_scrollbarVert ) | |
608 | { | |
609 | rectBar.x = size.x - width; | |
610 | if ( inside ) | |
611 | rectBar.x -= rectBorder.width; | |
612 | rectBar.width = width; | |
613 | rectBar.y = 0; | |
614 | if ( inside ) | |
615 | rectBar.y += rectBorder.y; | |
616 | rectBar.height = size.y - height; | |
617 | if ( inside ) | |
618 | rectBar.height -= rectBorder.y + rectBorder.height; | |
619 | ||
620 | m_scrollbarVert->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); | |
621 | } | |
622 | ||
623 | if ( m_scrollbarHorz ) | |
624 | { | |
625 | rectBar.y = size.y - height; | |
626 | if ( inside ) | |
627 | rectBar.y -= rectBorder.height; | |
628 | rectBar.height = height; | |
629 | rectBar.x = 0; | |
630 | if ( inside ) | |
631 | rectBar.x += rectBorder.x; | |
632 | rectBar.width = size.x - width; | |
633 | if ( inside ) | |
634 | rectBar.width -= rectBorder.x + rectBorder.width; | |
635 | ||
636 | m_scrollbarHorz->SetSize(rectBar, wxSIZE_NO_ADJUSTMENTS); | |
637 | } | |
638 | ||
639 | RefreshScrollbars(); | |
640 | } | |
641 | ||
642 | void wxWindow::SetScrollbar(int orient, | |
643 | int pos, | |
644 | int pageSize, | |
645 | int range, | |
646 | bool refresh) | |
647 | { | |
648 | bool hasClientSizeChanged = FALSE; | |
649 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
650 | if ( range ) | |
651 | { | |
652 | if ( !scrollbar ) | |
653 | { | |
654 | // create it | |
655 | scrollbar = new wxScrollBar(this, -1, | |
656 | wxDefaultPosition, wxDefaultSize, | |
657 | orient & wxVERTICAL ? wxSB_VERTICAL | |
658 | : wxSB_HORIZONTAL); | |
659 | if ( orient & wxVERTICAL ) | |
660 | m_scrollbarVert = scrollbar; | |
661 | else | |
662 | m_scrollbarHorz = scrollbar; | |
663 | ||
664 | // the client area diminished as we created a scrollbar | |
665 | hasClientSizeChanged = TRUE; | |
666 | ||
667 | PositionScrollbars(); | |
668 | } | |
669 | else if ( GetWindowStyle() & wxALWAYS_SHOW_SB ) | |
670 | { | |
671 | // we might have disabled it before | |
672 | scrollbar->Enable(); | |
673 | } | |
674 | ||
675 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); | |
676 | } | |
677 | else // no range means no scrollbar | |
678 | { | |
679 | if ( scrollbar ) | |
680 | { | |
681 | // wxALWAYS_SHOW_SB only applies to the vertical scrollbar | |
682 | if ( (orient & wxVERTICAL) && (GetWindowStyle() & wxALWAYS_SHOW_SB) ) | |
683 | { | |
684 | // just disable the scrollbar | |
685 | scrollbar->SetScrollbar(pos, pageSize, range, pageSize, refresh); | |
686 | scrollbar->Disable(); | |
687 | } | |
688 | else // really remove the scrollbar | |
689 | { | |
690 | delete scrollbar; | |
691 | ||
692 | if ( orient & wxVERTICAL ) | |
693 | m_scrollbarVert = NULL; | |
694 | else | |
695 | m_scrollbarHorz = NULL; | |
696 | ||
697 | // the client area increased as we removed a scrollbar | |
698 | hasClientSizeChanged = TRUE; | |
699 | ||
700 | // the size of the remaining scrollbar must be adjusted | |
701 | if ( m_scrollbarHorz || m_scrollbarVert ) | |
702 | { | |
703 | PositionScrollbars(); | |
704 | } | |
705 | } | |
706 | } | |
707 | } | |
708 | ||
709 | // give the window a chance to relayout | |
710 | if ( hasClientSizeChanged ) | |
711 | { | |
712 | wxSizeEvent event(GetSize()); | |
713 | (void)GetEventHandler()->ProcessEvent(event); | |
714 | } | |
715 | } | |
716 | ||
717 | void wxWindow::SetScrollPos(int orient, int pos, bool refresh) | |
718 | { | |
719 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
720 | wxCHECK_RET( scrollbar, _T("no scrollbar to set position for") ); | |
721 | ||
722 | scrollbar->SetThumbPosition(pos); | |
723 | if ( refresh ) | |
724 | Refresh(); | |
725 | } | |
726 | ||
727 | int wxWindow::GetScrollPos(int orient) const | |
728 | { | |
729 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
730 | return scrollbar ? scrollbar->GetThumbPosition() : 0; | |
731 | } | |
732 | ||
733 | int wxWindow::GetScrollThumb(int orient) const | |
734 | { | |
735 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
736 | return scrollbar ? scrollbar->GetThumbSize() : 0; | |
737 | } | |
738 | ||
739 | int wxWindow::GetScrollRange(int orient) const | |
740 | { | |
741 | wxScrollBar *scrollbar = GetScrollbar(orient); | |
742 | return scrollbar ? scrollbar->GetRange() : 0; | |
743 | } | |
744 | ||
745 | void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect) | |
746 | { | |
747 | // before scrolling it, ensure that we don't have any unpainted areas | |
748 | Update(); | |
749 | ||
750 | wxRect r; | |
751 | ||
752 | if ( dx ) | |
753 | { | |
754 | r = ScrollNoRefresh(dx, 0, rect); | |
755 | Refresh(TRUE /* erase bkgnd */, &r); | |
756 | } | |
757 | ||
758 | if ( dy ) | |
759 | { | |
760 | r = ScrollNoRefresh(0, dy, rect); | |
761 | Refresh(TRUE /* erase bkgnd */, &r); | |
762 | } | |
763 | } | |
764 | ||
765 | wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal) | |
766 | { | |
767 | wxASSERT_MSG( !dx || !dy, _T("can't be used for diag scrolling") ); | |
768 | ||
769 | // the rect to refresh (which we will calculate) | |
770 | wxRect rect; | |
771 | ||
772 | if ( !dx && !dy ) | |
773 | { | |
774 | // nothing to do | |
775 | return rect; | |
776 | } | |
777 | ||
778 | // calculate the part of the window which we can just redraw in the new | |
779 | // location | |
780 | wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize(); | |
781 | ||
782 | wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"), | |
783 | sizeTotal.x, sizeTotal.y, dx, dy); | |
784 | ||
785 | // the initial and end point of the region we move in client coords | |
786 | wxPoint ptSource, ptDest; | |
787 | if ( rectTotal ) | |
788 | { | |
789 | ptSource = rectTotal->GetPosition(); | |
790 | ptDest = rectTotal->GetPosition(); | |
791 | } | |
792 | ||
793 | // the size of this region | |
794 | wxSize size; | |
795 | size.x = sizeTotal.x - abs(dx); | |
796 | size.y = sizeTotal.y - abs(dy); | |
797 | if ( size.x <= 0 || size.y <= 0 ) | |
798 | { | |
799 | // just redraw everything as nothing of the displayed image will stay | |
800 | wxLogTrace(_T("scroll"), _T("refreshing everything")); | |
801 | ||
802 | rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y); | |
803 | } | |
804 | else // move the part which doesn't change to the new location | |
805 | { | |
806 | // note that when we scroll the canvas in some direction we move the | |
807 | // block which doesn't need to be refreshed in the opposite direction | |
808 | ||
809 | if ( dx < 0 ) | |
810 | { | |
811 | // scroll to the right, move to the left | |
812 | ptSource.x -= dx; | |
813 | } | |
814 | else | |
815 | { | |
816 | // scroll to the left, move to the right | |
817 | ptDest.x += dx; | |
818 | } | |
819 | ||
820 | if ( dy < 0 ) | |
821 | { | |
822 | // scroll down, move up | |
823 | ptSource.y -= dy; | |
824 | } | |
825 | else | |
826 | { | |
827 | // scroll up, move down | |
828 | ptDest.y += dy; | |
829 | } | |
830 | ||
831 | #if wxUSE_CARET | |
832 | // we need to hide the caret before moving or it will erase itself at | |
833 | // the wrong (old) location | |
834 | wxCaret *caret = GetCaret(); | |
835 | if ( caret ) | |
836 | caret->Hide(); | |
837 | #endif // wxUSE_CARET | |
838 | ||
839 | // do move | |
840 | wxClientDC dc(this); | |
841 | wxBitmap bmp(size.x, size.y); | |
842 | wxMemoryDC dcMem; | |
843 | dcMem.SelectObject(bmp); | |
844 | ||
845 | dcMem.Blit(wxPoint(0, 0), size, &dc, ptSource | |
846 | #if defined(__WXGTK__) && !defined(__WX_DC_BLIT_FIXED__) | |
847 | + GetClientAreaOrigin() | |
848 | #endif // broken wxGTK wxDC::Blit | |
849 | ); | |
850 | dc.Blit(ptDest, size, &dcMem, wxPoint(0, 0)); | |
851 | ||
852 | wxLogTrace(_T("scroll"), | |
853 | _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"), | |
854 | ptSource.x, ptSource.y, | |
855 | size.x, size.y, | |
856 | ptDest.x, ptDest.y); | |
857 | ||
858 | // and now repaint the uncovered area | |
859 | ||
860 | // FIXME: We repaint the intersection of these rectangles twice - is | |
861 | // it bad? I don't think so as it is rare to scroll the window | |
862 | // diagonally anyhow and so adding extra logic to compute | |
863 | // rectangle intersection is probably not worth the effort | |
864 | ||
865 | rect.x = ptSource.x; | |
866 | rect.y = ptSource.y; | |
867 | ||
868 | if ( dx ) | |
869 | { | |
870 | if ( dx < 0 ) | |
871 | { | |
872 | // refresh the area along the right border | |
873 | rect.x += size.x + dx; | |
874 | rect.width = -dx; | |
875 | } | |
876 | else | |
877 | { | |
878 | // refresh the area along the left border | |
879 | rect.width = dx; | |
880 | } | |
881 | ||
882 | rect.height = sizeTotal.y; | |
883 | ||
884 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), | |
885 | rect.x, rect.y, | |
886 | rect.GetRight() + 1, rect.GetBottom() + 1); | |
887 | } | |
888 | ||
889 | if ( dy ) | |
890 | { | |
891 | if ( dy < 0 ) | |
892 | { | |
893 | // refresh the area along the bottom border | |
894 | rect.y += size.y + dy; | |
895 | rect.height = -dy; | |
896 | } | |
897 | else | |
898 | { | |
899 | // refresh the area along the top border | |
900 | rect.height = dy; | |
901 | } | |
902 | ||
903 | rect.width = sizeTotal.x; | |
904 | ||
905 | wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), | |
906 | rect.x, rect.y, | |
907 | rect.GetRight() + 1, rect.GetBottom() + 1); | |
908 | } | |
909 | ||
910 | #if wxUSE_CARET | |
911 | if ( caret ) | |
912 | caret->Show(); | |
913 | #endif // wxUSE_CARET | |
914 | } | |
915 | ||
916 | return rect; | |
917 | } | |
918 | ||
919 | // ---------------------------------------------------------------------------- | |
920 | // colours/fonts | |
921 | // ---------------------------------------------------------------------------- | |
922 | ||
923 | bool wxWindow::SetBackgroundColour(const wxColour& colour) | |
924 | { | |
925 | if ( !wxWindowNative::SetBackgroundColour(colour) ) | |
926 | return FALSE; | |
927 | ||
928 | m_hasBgCol = TRUE; | |
929 | ||
930 | return TRUE; | |
931 | } | |
932 | ||
933 | bool wxWindow::SetForegroundColour(const wxColour& colour) | |
934 | { | |
935 | if ( !wxWindowNative::SetForegroundColour(colour) ) | |
936 | return FALSE; | |
937 | ||
938 | m_hasFgCol = TRUE; | |
939 | ||
940 | return TRUE; | |
941 | } | |
942 | ||
943 | bool wxWindow::SetFont(const wxFont& font) | |
944 | { | |
945 | if ( !wxWindowNative::SetFont(font) ) | |
946 | return FALSE; | |
947 | ||
948 | m_hasFont = TRUE; | |
949 | ||
950 | return TRUE; | |
951 | } | |
952 | ||
953 | // ---------------------------------------------------------------------------- | |
954 | // mouse capture | |
955 | // ---------------------------------------------------------------------------- | |
956 | ||
957 | struct WXDLLEXPORT wxWindowNext | |
958 | { | |
959 | wxWindow *win; | |
960 | wxWindowNext *next; | |
961 | } *wxWindow::ms_winCaptureNext = NULL; | |
962 | ||
963 | void wxWindow::CaptureMouse() | |
964 | { | |
965 | wxWindow *winOld = GetCapture(); | |
966 | if ( winOld ) | |
967 | { | |
968 | // save it on stack | |
969 | wxWindowNext *item = new wxWindowNext; | |
970 | item->win = winOld; | |
971 | item->next = ms_winCaptureNext; | |
972 | ms_winCaptureNext = item; | |
973 | } | |
974 | //else: no mouse capture to save | |
975 | ||
976 | wxWindowNative::CaptureMouse(); | |
977 | } | |
978 | ||
979 | void wxWindow::ReleaseMouse() | |
980 | { | |
981 | wxWindowNative::ReleaseMouse(); | |
982 | ||
983 | if ( ms_winCaptureNext ) | |
984 | { | |
985 | ms_winCaptureNext->win->CaptureMouse(); | |
986 | ||
987 | wxWindowNext *item = ms_winCaptureNext; | |
988 | ms_winCaptureNext = item->next; | |
989 | delete item; | |
990 | } | |
991 | //else: stack is empty, no previous capture | |
992 | } | |
993 | ||
994 | // ---------------------------------------------------------------------------- | |
995 | // accelerators and menu hot keys | |
996 | // ---------------------------------------------------------------------------- | |
997 | ||
998 | #if wxUSE_MENUS | |
999 | // the last window over which Alt was pressed (used by OnKeyUp) | |
1000 | wxWindow *wxWindow::ms_winLastAltPress = NULL; | |
1001 | #endif // wxUSE_MENUS | |
1002 | ||
1003 | #if wxUSE_ACCEL || wxUSE_MENUS | |
1004 | ||
1005 | void wxWindow::OnKeyDown(wxKeyEvent& event) | |
1006 | { | |
1007 | #if wxUSE_MENUS | |
1008 | int key = event.GetKeyCode(); | |
1009 | if ( !event.ControlDown() && (key == WXK_MENU || key == WXK_F10) ) | |
1010 | { | |
1011 | ms_winLastAltPress = this; | |
1012 | ||
1013 | // it can't be an accel anyhow | |
1014 | return; | |
1015 | } | |
1016 | ||
1017 | ms_winLastAltPress = NULL; | |
1018 | #endif // wxUSE_MENUS | |
1019 | ||
1020 | #if wxUSE_ACCEL | |
1021 | for ( wxWindow *win = this; win; win = win->GetParent() ) | |
1022 | { | |
1023 | int command = win->GetAcceleratorTable()->GetCommand(event); | |
1024 | if ( command != -1 ) | |
1025 | { | |
1026 | wxCommandEvent eventCmd(wxEVT_COMMAND_MENU_SELECTED, command); | |
1027 | if ( win->GetEventHandler()->ProcessEvent(eventCmd) ) | |
1028 | { | |
1029 | // skip "event.Skip()" below | |
1030 | return; | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | if ( win->IsTopLevel() ) | |
1035 | { | |
1036 | // try the frame menu bar | |
1037 | #if wxUSE_MENUS | |
1038 | wxFrame *frame = wxDynamicCast(win, wxFrame); | |
1039 | if ( frame ) | |
1040 | { | |
1041 | wxMenuBar *menubar = frame->GetMenuBar(); | |
1042 | if ( menubar && menubar->ProcessAccelEvent(event) ) | |
1043 | { | |
1044 | // skip "event.Skip()" below | |
1045 | return; | |
1046 | } | |
1047 | } | |
1048 | #endif // wxUSE_MENUS | |
1049 | ||
1050 | // don't propagate accels from the child frame to the parent one | |
1051 | break; | |
1052 | } | |
1053 | } | |
1054 | #endif // wxUSE_ACCEL | |
1055 | ||
1056 | event.Skip(); | |
1057 | } | |
1058 | ||
1059 | #endif // wxUSE_ACCEL | |
1060 | ||
1061 | #if wxUSE_MENUS | |
1062 | ||
1063 | wxMenuBar *wxWindow::GetParentFrameMenuBar() const | |
1064 | { | |
1065 | for ( const wxWindow *win = this; win; win = win->GetParent() ) | |
1066 | { | |
1067 | if ( win->IsTopLevel() ) | |
1068 | { | |
1069 | wxFrame *frame = wxDynamicCast(win, wxFrame); | |
1070 | if ( frame ) | |
1071 | { | |
1072 | return frame->GetMenuBar(); | |
1073 | } | |
1074 | ||
1075 | // don't look further - we don't want to return the menubar of the | |
1076 | // parent frame | |
1077 | break; | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | return NULL; | |
1082 | } | |
1083 | ||
1084 | void wxWindow::OnChar(wxKeyEvent& event) | |
1085 | { | |
1086 | if ( event.AltDown() && !event.ControlDown() ) | |
1087 | { | |
1088 | int key = event.GetKeyCode(); | |
1089 | ||
1090 | wxMenuBar *menubar = GetParentFrameMenuBar(); | |
1091 | if ( menubar ) | |
1092 | { | |
1093 | int item = menubar->FindNextItemForAccel(-1, key); | |
1094 | if ( item != -1 ) | |
1095 | { | |
1096 | menubar->PopupMenu((size_t)item); | |
1097 | ||
1098 | // skip "event.Skip()" below | |
1099 | return; | |
1100 | } | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | event.Skip(); | |
1105 | } | |
1106 | ||
1107 | void wxWindow::OnKeyUp(wxKeyEvent& event) | |
1108 | { | |
1109 | int key = event.GetKeyCode(); | |
1110 | if ( !event.HasModifiers() && (key == WXK_MENU || key == WXK_F10) ) | |
1111 | { | |
1112 | // only process Alt release specially if there were no other key | |
1113 | // presses since Alt had been pressed and if both events happened in | |
1114 | // the same window | |
1115 | if ( ms_winLastAltPress == this ) | |
1116 | { | |
1117 | wxMenuBar *menubar = GetParentFrameMenuBar(); | |
1118 | if ( menubar && this != menubar ) | |
1119 | { | |
1120 | menubar->SelectMenu(0); | |
1121 | } | |
1122 | } | |
1123 | } | |
1124 | else | |
1125 | { | |
1126 | event.Skip(); | |
1127 | } | |
1128 | ||
1129 | // in any case reset it | |
1130 | ms_winLastAltPress = NULL; | |
1131 | } | |
1132 | ||
1133 | #endif // wxUSE_MENUS | |
1134 |