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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: common/window.cpp | |
3 | // Purpose: common (to all ports) wxWindow functions | |
4 | // Author: Julian Smart, Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 13/07/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) wxWindows team | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "windowbase.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/string.h" | |
33 | #include "wx/log.h" | |
34 | #include "wx/intl.h" | |
35 | #include "wx/frame.h" | |
36 | #include "wx/defs.h" | |
37 | #include "wx/window.h" | |
38 | #include "wx/control.h" | |
39 | #include "wx/checkbox.h" | |
40 | #include "wx/radiobut.h" | |
41 | #include "wx/textctrl.h" | |
42 | #include "wx/settings.h" | |
43 | #include "wx/dialog.h" | |
44 | #include "wx/msgdlg.h" | |
45 | #include "wx/statusbr.h" | |
46 | #endif //WX_PRECOMP | |
47 | ||
48 | #if wxUSE_CONSTRAINTS | |
49 | #include "wx/layout.h" | |
50 | #include "wx/sizer.h" | |
51 | #endif // wxUSE_CONSTRAINTS | |
52 | ||
53 | #if wxUSE_DRAG_AND_DROP | |
54 | #include "wx/dnd.h" | |
55 | #endif // wxUSE_DRAG_AND_DROP | |
56 | ||
57 | #if wxUSE_HELP | |
58 | #include "wx/cshelp.h" | |
59 | #endif // wxUSE_HELP | |
60 | ||
61 | #if wxUSE_TOOLTIPS | |
62 | #include "wx/tooltip.h" | |
63 | #endif // wxUSE_TOOLTIPS | |
64 | ||
65 | #if wxUSE_CARET | |
66 | #include "wx/caret.h" | |
67 | #endif // wxUSE_CARET | |
68 | ||
69 | // ---------------------------------------------------------------------------- | |
70 | // static data | |
71 | // ---------------------------------------------------------------------------- | |
72 | ||
73 | int wxWindowBase::ms_lastControlId = -200; | |
74 | ||
75 | IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) | |
76 | ||
77 | // ---------------------------------------------------------------------------- | |
78 | // event table | |
79 | // ---------------------------------------------------------------------------- | |
80 | ||
81 | BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) | |
82 | EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged) | |
83 | EVT_INIT_DIALOG(wxWindowBase::OnInitDialog) | |
84 | EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick) | |
85 | ||
86 | #if wxUSE_HELP | |
87 | EVT_HELP(-1, wxWindowBase::OnHelp) | |
88 | #endif // wxUSE_HELP | |
89 | ||
90 | END_EVENT_TABLE() | |
91 | ||
92 | // ============================================================================ | |
93 | // implementation of the common functionality of the wxWindow class | |
94 | // ============================================================================ | |
95 | ||
96 | // ---------------------------------------------------------------------------- | |
97 | // initialization | |
98 | // ---------------------------------------------------------------------------- | |
99 | ||
100 | // the default initialization | |
101 | void wxWindowBase::InitBase() | |
102 | { | |
103 | // no window yet, no parent nor children | |
104 | m_parent = (wxWindow *)NULL; | |
105 | m_windowId = -1; | |
106 | m_children.DeleteContents( FALSE ); // don't auto delete node data | |
107 | ||
108 | // no constraints on the minimal window size | |
109 | m_minWidth = | |
110 | m_minHeight = | |
111 | m_maxWidth = | |
112 | m_maxHeight = -1; | |
113 | ||
114 | // window is created enabled but it's not visible yet | |
115 | m_isShown = FALSE; | |
116 | m_isEnabled = TRUE; | |
117 | ||
118 | // no client data (yet) | |
119 | m_clientData = NULL; | |
120 | m_clientDataType = wxClientData_None; | |
121 | ||
122 | // the default event handler is just this window | |
123 | m_eventHandler = this; | |
124 | ||
125 | #if wxUSE_VALIDATORS | |
126 | // no validator | |
127 | m_windowValidator = (wxValidator *) NULL; | |
128 | #endif // wxUSE_VALIDATORS | |
129 | ||
130 | // use the system default colours | |
131 | m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE); | |
132 | m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT); | |
133 | ||
134 | // don't set the font here for wxMSW as we don't call WM_SETFONT here and | |
135 | // so the font is *not* really set - but calls to SetFont() later won't do | |
136 | // anything because m_font appears to be already set! | |
137 | #ifndef __WXMSW__ | |
138 | m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT); | |
139 | #endif // __WXMSW__ | |
140 | ||
141 | // no style bits | |
142 | m_exStyle = | |
143 | m_windowStyle = 0; | |
144 | ||
145 | // an optimization for the event processing: checking this flag is much | |
146 | // faster than using IsKindOf(CLASSINFO(wxWindow)) | |
147 | m_isWindow = TRUE; | |
148 | ||
149 | #if wxUSE_CONSTRAINTS | |
150 | // no constraints whatsoever | |
151 | m_constraints = (wxLayoutConstraints *) NULL; | |
152 | m_constraintsInvolvedIn = (wxWindowList *) NULL; | |
153 | m_windowSizer = (wxSizer *) NULL; | |
154 | m_autoLayout = FALSE; | |
155 | #endif // wxUSE_CONSTRAINTS | |
156 | ||
157 | #if wxUSE_DRAG_AND_DROP | |
158 | m_dropTarget = (wxDropTarget *)NULL; | |
159 | #endif // wxUSE_DRAG_AND_DROP | |
160 | ||
161 | #if wxUSE_TOOLTIPS | |
162 | m_tooltip = (wxToolTip *)NULL; | |
163 | #endif // wxUSE_TOOLTIPS | |
164 | ||
165 | #if wxUSE_CARET | |
166 | m_caret = (wxCaret *)NULL; | |
167 | #endif // wxUSE_CARET | |
168 | ||
169 | // Whether we're using the current theme for this window (wxGTK only for now) | |
170 | m_themeEnabled = FALSE; | |
171 | } | |
172 | ||
173 | // common part of window creation process | |
174 | bool wxWindowBase::CreateBase(wxWindowBase *parent, | |
175 | wxWindowID id, | |
176 | const wxPoint& WXUNUSED(pos), | |
177 | const wxSize& WXUNUSED(size), | |
178 | long style, | |
179 | const wxValidator& validator, | |
180 | const wxString& name) | |
181 | { | |
182 | // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other | |
183 | // member variables - check that it has been called (will catch the case | |
184 | // when a new ctor is added which doesn't call InitWindow) | |
185 | wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); | |
186 | ||
187 | // generate a new id if the user doesn't care about it | |
188 | m_windowId = id == -1 ? NewControlId() : id; | |
189 | ||
190 | SetName(name); | |
191 | SetWindowStyleFlag(style); | |
192 | SetParent(parent); | |
193 | ||
194 | #if wxUSE_VALIDATORS | |
195 | SetValidator(validator); | |
196 | #endif // wxUSE_VALIDATORS | |
197 | ||
198 | // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to | |
199 | // have it too - like this it's possible to set it only in the top level | |
200 | // dialog/frame and all children will inherit it by defult | |
201 | if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) ) | |
202 | { | |
203 | SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY); | |
204 | } | |
205 | ||
206 | return TRUE; | |
207 | } | |
208 | ||
209 | // ---------------------------------------------------------------------------- | |
210 | // destruction | |
211 | // ---------------------------------------------------------------------------- | |
212 | ||
213 | // common clean up | |
214 | wxWindowBase::~wxWindowBase() | |
215 | { | |
216 | // FIXME if these 2 cases result from programming errors in the user code | |
217 | // we should probably assert here instead of silently fixing them | |
218 | ||
219 | // Just in case the window has been Closed, but we're then deleting | |
220 | // immediately: don't leave dangling pointers. | |
221 | wxPendingDelete.DeleteObject(this); | |
222 | ||
223 | // Just in case we've loaded a top-level window via LoadNativeDialog but | |
224 | // we weren't a dialog class | |
225 | wxTopLevelWindows.DeleteObject(this); | |
226 | ||
227 | wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); | |
228 | ||
229 | #if wxUSE_CARET | |
230 | if ( m_caret ) | |
231 | delete m_caret; | |
232 | #endif // wxUSE_CARET | |
233 | ||
234 | #if wxUSE_VALIDATORS | |
235 | if ( m_windowValidator ) | |
236 | delete m_windowValidator; | |
237 | #endif // wxUSE_VALIDATORS | |
238 | ||
239 | // we only delete object data, not untyped | |
240 | if ( m_clientDataType == wxClientData_Object ) | |
241 | delete m_clientObject; | |
242 | ||
243 | #if wxUSE_CONSTRAINTS | |
244 | // Have to delete constraints/sizer FIRST otherwise sizers may try to look | |
245 | // at deleted windows as they delete themselves. | |
246 | DeleteRelatedConstraints(); | |
247 | ||
248 | if ( m_constraints ) | |
249 | { | |
250 | // This removes any dangling pointers to this window in other windows' | |
251 | // constraintsInvolvedIn lists. | |
252 | UnsetConstraints(m_constraints); | |
253 | delete m_constraints; | |
254 | m_constraints = NULL; | |
255 | } | |
256 | ||
257 | if ( m_windowSizer ) | |
258 | delete m_windowSizer; | |
259 | ||
260 | #endif // wxUSE_CONSTRAINTS | |
261 | ||
262 | #if wxUSE_DRAG_AND_DROP | |
263 | if ( m_dropTarget ) | |
264 | delete m_dropTarget; | |
265 | #endif // wxUSE_DRAG_AND_DROP | |
266 | ||
267 | #if wxUSE_TOOLTIPS | |
268 | if ( m_tooltip ) | |
269 | delete m_tooltip; | |
270 | #endif // wxUSE_TOOLTIPS | |
271 | } | |
272 | ||
273 | bool wxWindowBase::Destroy() | |
274 | { | |
275 | delete this; | |
276 | ||
277 | return TRUE; | |
278 | } | |
279 | ||
280 | bool wxWindowBase::Close(bool force) | |
281 | { | |
282 | wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId); | |
283 | event.SetEventObject(this); | |
284 | #if WXWIN_COMPATIBILITY | |
285 | event.SetForce(force); | |
286 | #endif // WXWIN_COMPATIBILITY | |
287 | event.SetCanVeto(!force); | |
288 | ||
289 | // return FALSE if window wasn't closed because the application vetoed the | |
290 | // close event | |
291 | return GetEventHandler()->ProcessEvent(event) && !event.GetVeto(); | |
292 | } | |
293 | ||
294 | bool wxWindowBase::DestroyChildren() | |
295 | { | |
296 | wxWindowList::Node *node; | |
297 | for ( ;; ) | |
298 | { | |
299 | // we iterate until the list becomes empty | |
300 | node = GetChildren().GetFirst(); | |
301 | if ( !node ) | |
302 | break; | |
303 | ||
304 | wxWindow *child = node->GetData(); | |
305 | ||
306 | wxASSERT_MSG( child, wxT("children list contains empty nodes") ); | |
307 | ||
308 | delete child; | |
309 | ||
310 | wxASSERT_MSG( !GetChildren().Find(child), | |
311 | wxT("child didn't remove itself using RemoveChild()") ); | |
312 | } | |
313 | ||
314 | return TRUE; | |
315 | } | |
316 | ||
317 | // ---------------------------------------------------------------------------- | |
318 | // size/position related methods | |
319 | // ---------------------------------------------------------------------------- | |
320 | ||
321 | // centre the window with respect to its parent in either (or both) directions | |
322 | void wxWindowBase::Centre(int direction) | |
323 | { | |
324 | // the position/size of the parent window or of the entire screen | |
325 | wxPoint posParent; | |
326 | int widthParent, heightParent; | |
327 | ||
328 | wxWindow *parent = NULL; | |
329 | ||
330 | if ( !(direction & wxCENTRE_ON_SCREEN) ) | |
331 | { | |
332 | // find the parent to centre this window on: it should be the | |
333 | // immediate parent for the controls but the top level parent for the | |
334 | // top level windows (like dialogs) | |
335 | parent = GetParent(); | |
336 | if ( IsTopLevel() ) | |
337 | { | |
338 | while ( parent && !parent->IsTopLevel() ) | |
339 | { | |
340 | parent = parent->GetParent(); | |
341 | } | |
342 | } | |
343 | ||
344 | // did we find the parent? | |
345 | if ( !parent ) | |
346 | { | |
347 | // no other choice | |
348 | direction |= wxCENTRE_ON_SCREEN; | |
349 | } | |
350 | } | |
351 | ||
352 | if ( direction & wxCENTRE_ON_SCREEN ) | |
353 | { | |
354 | // centre with respect to the whole screen | |
355 | wxDisplaySize(&widthParent, &heightParent); | |
356 | } | |
357 | else | |
358 | { | |
359 | if ( IsTopLevel() ) | |
360 | { | |
361 | // centre on the parent | |
362 | parent->GetSize(&widthParent, &heightParent); | |
363 | ||
364 | // adjust to the parents position | |
365 | posParent = parent->GetPosition(); | |
366 | } | |
367 | else | |
368 | { | |
369 | // centre inside the parents client rectangle | |
370 | parent->GetClientSize(&widthParent, &heightParent); | |
371 | } | |
372 | } | |
373 | ||
374 | int width, height; | |
375 | GetSize(&width, &height); | |
376 | ||
377 | int xNew = -1, | |
378 | yNew = -1; | |
379 | ||
380 | if ( direction & wxHORIZONTAL ) | |
381 | xNew = (widthParent - width)/2; | |
382 | ||
383 | if ( direction & wxVERTICAL ) | |
384 | yNew = (heightParent - height)/2; | |
385 | ||
386 | xNew += posParent.x; | |
387 | yNew += posParent.y; | |
388 | ||
389 | // Base size of the visible dimensions of the display | |
390 | // to take into account the taskbar | |
391 | wxRect rect = wxGetClientDisplayRect(); | |
392 | wxSize size (rect.width,rect.height); | |
393 | ||
394 | if (posParent.x >= 0) // if parent is on the main display | |
395 | { | |
396 | if (xNew < 0) | |
397 | xNew = 0; | |
398 | else if (xNew+width > size.x) | |
399 | xNew = size.x-width-1; | |
400 | } | |
401 | if (posParent.y >= 0) // if parent is on the main display | |
402 | { | |
403 | if (yNew+height > size.y) | |
404 | yNew = size.y-height-1; | |
405 | ||
406 | // Make certain that the title bar is initially visible | |
407 | // always, even if this would push the bottom of the | |
408 | // dialog of the visible area of the display | |
409 | if (yNew < 0) | |
410 | yNew = 0; | |
411 | } | |
412 | ||
413 | // move the window to this position (keeping the old size but using | |
414 | // SetSize() and not Move() to allow xNew and/or yNew to be -1) | |
415 | SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE); | |
416 | } | |
417 | ||
418 | // fits the window around the children | |
419 | void wxWindowBase::Fit() | |
420 | { | |
421 | if ( GetChildren().GetCount() > 0 ) | |
422 | { | |
423 | wxSize size = DoGetBestSize(); | |
424 | ||
425 | // for compatibility with the old versions and because it really looks | |
426 | // slightly more pretty like this, add a pad | |
427 | size.x += 7; | |
428 | size.y += 14; | |
429 | ||
430 | SetClientSize(size); | |
431 | } | |
432 | //else: do nothing if we have no children | |
433 | } | |
434 | ||
435 | // return the size best suited for the current window | |
436 | wxSize wxWindowBase::DoGetBestSize() const | |
437 | { | |
438 | if ( GetChildren().GetCount() > 0 ) | |
439 | { | |
440 | // our minimal acceptable size is such that all our windows fit inside | |
441 | int maxX = 0, | |
442 | maxY = 0; | |
443 | ||
444 | for ( wxWindowList::Node *node = GetChildren().GetFirst(); | |
445 | node; | |
446 | node = node->GetNext() ) | |
447 | { | |
448 | wxWindow *win = node->GetData(); | |
449 | if ( win->IsTopLevel() | |
450 | #if wxUSE_STATUSBAR | |
451 | || wxDynamicCast(win, wxStatusBar) | |
452 | #endif // wxUSE_STATUSBAR | |
453 | ) | |
454 | { | |
455 | // dialogs and frames lie in different top level windows - | |
456 | // don't deal with them here; as for the status bars, they | |
457 | // don't lie in the client area at all | |
458 | continue; | |
459 | } | |
460 | ||
461 | int wx, wy, ww, wh; | |
462 | win->GetPosition(&wx, &wy); | |
463 | ||
464 | // if the window hadn't been positioned yet, assume that it is in | |
465 | // the origin | |
466 | if ( wx == -1 ) | |
467 | wx = 0; | |
468 | if ( wy == -1 ) | |
469 | wy = 0; | |
470 | ||
471 | win->GetSize(&ww, &wh); | |
472 | if ( wx + ww > maxX ) | |
473 | maxX = wx + ww; | |
474 | if ( wy + wh > maxY ) | |
475 | maxY = wy + wh; | |
476 | } | |
477 | ||
478 | return wxSize(maxX, maxY); | |
479 | } | |
480 | else | |
481 | { | |
482 | // for a generic window there is no natural best size - just use the | |
483 | // current one | |
484 | return GetSize(); | |
485 | } | |
486 | } | |
487 | ||
488 | // by default the origin is not shifted | |
489 | wxPoint wxWindowBase::GetClientAreaOrigin() const | |
490 | { | |
491 | return wxPoint(0, 0); | |
492 | } | |
493 | ||
494 | // set the min/max size of the window | |
495 | void wxWindowBase::SetSizeHints(int minW, int minH, | |
496 | int maxW, int maxH, | |
497 | int WXUNUSED(incW), int WXUNUSED(incH)) | |
498 | { | |
499 | m_minWidth = minW; | |
500 | m_maxWidth = maxW; | |
501 | m_minHeight = minH; | |
502 | m_maxHeight = maxH; | |
503 | } | |
504 | ||
505 | // ---------------------------------------------------------------------------- | |
506 | // show/hide/enable/disable the window | |
507 | // ---------------------------------------------------------------------------- | |
508 | ||
509 | bool wxWindowBase::Show(bool show) | |
510 | { | |
511 | if ( show != m_isShown ) | |
512 | { | |
513 | m_isShown = show; | |
514 | ||
515 | return TRUE; | |
516 | } | |
517 | else | |
518 | { | |
519 | return FALSE; | |
520 | } | |
521 | } | |
522 | ||
523 | bool wxWindowBase::Enable(bool enable) | |
524 | { | |
525 | if ( enable != m_isEnabled ) | |
526 | { | |
527 | m_isEnabled = enable; | |
528 | ||
529 | return TRUE; | |
530 | } | |
531 | else | |
532 | { | |
533 | return FALSE; | |
534 | } | |
535 | } | |
536 | // ---------------------------------------------------------------------------- | |
537 | // RTTI | |
538 | // ---------------------------------------------------------------------------- | |
539 | ||
540 | bool wxWindowBase::IsTopLevel() const | |
541 | { | |
542 | return FALSE; | |
543 | } | |
544 | ||
545 | // ---------------------------------------------------------------------------- | |
546 | // reparenting the window | |
547 | // ---------------------------------------------------------------------------- | |
548 | ||
549 | void wxWindowBase::AddChild(wxWindowBase *child) | |
550 | { | |
551 | wxCHECK_RET( child, wxT("can't add a NULL child") ); | |
552 | ||
553 | // this should never happen and it will lead to a crash later if it does | |
554 | // because RemoveChild() will remove only one node from the children list | |
555 | // and the other(s) one(s) will be left with dangling pointers in them | |
556 | wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") ); | |
557 | ||
558 | GetChildren().Append(child); | |
559 | child->SetParent(this); | |
560 | } | |
561 | ||
562 | void wxWindowBase::RemoveChild(wxWindowBase *child) | |
563 | { | |
564 | wxCHECK_RET( child, wxT("can't remove a NULL child") ); | |
565 | ||
566 | GetChildren().DeleteObject(child); | |
567 | child->SetParent((wxWindow *)NULL); | |
568 | } | |
569 | ||
570 | bool wxWindowBase::Reparent(wxWindowBase *newParent) | |
571 | { | |
572 | wxWindow *oldParent = GetParent(); | |
573 | if ( newParent == oldParent ) | |
574 | { | |
575 | // nothing done | |
576 | return FALSE; | |
577 | } | |
578 | ||
579 | // unlink this window from the existing parent. | |
580 | if ( oldParent ) | |
581 | { | |
582 | oldParent->RemoveChild(this); | |
583 | } | |
584 | else | |
585 | { | |
586 | wxTopLevelWindows.DeleteObject(this); | |
587 | } | |
588 | ||
589 | // add it to the new one | |
590 | if ( newParent ) | |
591 | { | |
592 | newParent->AddChild(this); | |
593 | } | |
594 | else | |
595 | { | |
596 | wxTopLevelWindows.Append(this); | |
597 | } | |
598 | ||
599 | return TRUE; | |
600 | } | |
601 | ||
602 | // ---------------------------------------------------------------------------- | |
603 | // event handler stuff | |
604 | // ---------------------------------------------------------------------------- | |
605 | ||
606 | void wxWindowBase::PushEventHandler(wxEvtHandler *handler) | |
607 | { | |
608 | handler->SetNextHandler(GetEventHandler()); | |
609 | SetEventHandler(handler); | |
610 | } | |
611 | ||
612 | wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) | |
613 | { | |
614 | wxEvtHandler *handlerA = GetEventHandler(); | |
615 | if ( handlerA ) | |
616 | { | |
617 | wxEvtHandler *handlerB = handlerA->GetNextHandler(); | |
618 | handlerA->SetNextHandler((wxEvtHandler *)NULL); | |
619 | SetEventHandler(handlerB); | |
620 | if ( deleteHandler ) | |
621 | { | |
622 | delete handlerA; | |
623 | handlerA = (wxEvtHandler *)NULL; | |
624 | } | |
625 | } | |
626 | ||
627 | return handlerA; | |
628 | } | |
629 | ||
630 | // ---------------------------------------------------------------------------- | |
631 | // cursors, fonts &c | |
632 | // ---------------------------------------------------------------------------- | |
633 | ||
634 | bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) | |
635 | { | |
636 | if ( !colour.Ok() || (colour == m_backgroundColour) ) | |
637 | return FALSE; | |
638 | ||
639 | m_backgroundColour = colour; | |
640 | ||
641 | return TRUE; | |
642 | } | |
643 | ||
644 | bool wxWindowBase::SetForegroundColour( const wxColour &colour ) | |
645 | { | |
646 | if ( !colour.Ok() || (colour == m_foregroundColour) ) | |
647 | return FALSE; | |
648 | ||
649 | m_foregroundColour = colour; | |
650 | ||
651 | return TRUE; | |
652 | } | |
653 | ||
654 | bool wxWindowBase::SetCursor(const wxCursor& cursor) | |
655 | { | |
656 | // setting an invalid cursor is ok, it means that we don't have any special | |
657 | // cursor | |
658 | if ( m_cursor == cursor ) | |
659 | { | |
660 | // no change | |
661 | return FALSE; | |
662 | } | |
663 | ||
664 | m_cursor = cursor; | |
665 | ||
666 | return TRUE; | |
667 | } | |
668 | ||
669 | bool wxWindowBase::SetFont(const wxFont& font) | |
670 | { | |
671 | // don't try to set invalid font, always fall back to the default | |
672 | const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; | |
673 | ||
674 | if ( fontOk == m_font ) | |
675 | { | |
676 | // no change | |
677 | return FALSE; | |
678 | } | |
679 | ||
680 | m_font = fontOk; | |
681 | ||
682 | return TRUE; | |
683 | } | |
684 | ||
685 | #if wxUSE_CARET | |
686 | void wxWindowBase::SetCaret(wxCaret *caret) | |
687 | { | |
688 | if ( m_caret ) | |
689 | { | |
690 | delete m_caret; | |
691 | } | |
692 | ||
693 | m_caret = caret; | |
694 | ||
695 | if ( m_caret ) | |
696 | { | |
697 | wxASSERT_MSG( m_caret->GetWindow() == this, | |
698 | wxT("caret should be created associated to this window") ); | |
699 | } | |
700 | } | |
701 | #endif // wxUSE_CARET | |
702 | ||
703 | #if wxUSE_VALIDATORS | |
704 | // ---------------------------------------------------------------------------- | |
705 | // validators | |
706 | // ---------------------------------------------------------------------------- | |
707 | ||
708 | void wxWindowBase::SetValidator(const wxValidator& validator) | |
709 | { | |
710 | if ( m_windowValidator ) | |
711 | delete m_windowValidator; | |
712 | ||
713 | m_windowValidator = (wxValidator *)validator.Clone(); | |
714 | ||
715 | if ( m_windowValidator ) | |
716 | m_windowValidator->SetWindow(this) ; | |
717 | } | |
718 | #endif // wxUSE_VALIDATORS | |
719 | ||
720 | // ---------------------------------------------------------------------------- | |
721 | // update region stuff | |
722 | // ---------------------------------------------------------------------------- | |
723 | ||
724 | wxRect wxWindowBase::GetUpdateClientRect() const | |
725 | { | |
726 | wxRegion rgnUpdate = GetUpdateRegion(); | |
727 | rgnUpdate.Intersect(GetClientRect()); | |
728 | wxRect rectUpdate = rgnUpdate.GetBox(); | |
729 | wxPoint ptOrigin = GetClientAreaOrigin(); | |
730 | rectUpdate.x -= ptOrigin.x; | |
731 | rectUpdate.y -= ptOrigin.y; | |
732 | ||
733 | return rectUpdate; | |
734 | } | |
735 | ||
736 | bool wxWindowBase::IsExposed(int x, int y) const | |
737 | { | |
738 | return m_updateRegion.Contains(x, y) != wxOutRegion; | |
739 | } | |
740 | ||
741 | bool wxWindowBase::IsExposed(int x, int y, int w, int h) const | |
742 | { | |
743 | return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; | |
744 | } | |
745 | ||
746 | // ---------------------------------------------------------------------------- | |
747 | // find window by id or name | |
748 | // ---------------------------------------------------------------------------- | |
749 | ||
750 | wxWindow *wxWindowBase::FindWindow( long id ) | |
751 | { | |
752 | if ( id == m_windowId ) | |
753 | return (wxWindow *)this; | |
754 | ||
755 | wxWindowBase *res = (wxWindow *)NULL; | |
756 | wxWindowList::Node *node; | |
757 | for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) | |
758 | { | |
759 | wxWindowBase *child = node->GetData(); | |
760 | res = child->FindWindow( id ); | |
761 | } | |
762 | ||
763 | return (wxWindow *)res; | |
764 | } | |
765 | ||
766 | wxWindow *wxWindowBase::FindWindow( const wxString& name ) | |
767 | { | |
768 | if ( name == m_windowName ) | |
769 | return (wxWindow *)this; | |
770 | ||
771 | wxWindowBase *res = (wxWindow *)NULL; | |
772 | wxWindowList::Node *node; | |
773 | for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) | |
774 | { | |
775 | wxWindow *child = node->GetData(); | |
776 | res = child->FindWindow(name); | |
777 | } | |
778 | ||
779 | return (wxWindow *)res; | |
780 | } | |
781 | ||
782 | // ---------------------------------------------------------------------------- | |
783 | // dialog oriented functions | |
784 | // ---------------------------------------------------------------------------- | |
785 | ||
786 | void wxWindowBase::MakeModal(bool modal) | |
787 | { | |
788 | // Disable all other windows | |
789 | if ( IsTopLevel() ) | |
790 | { | |
791 | wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); | |
792 | while (node) | |
793 | { | |
794 | wxWindow *win = node->GetData(); | |
795 | if (win != this) | |
796 | win->Enable(!modal); | |
797 | ||
798 | node = node->GetNext(); | |
799 | } | |
800 | } | |
801 | } | |
802 | ||
803 | bool wxWindowBase::Validate() | |
804 | { | |
805 | #if wxUSE_VALIDATORS | |
806 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; | |
807 | ||
808 | wxWindowList::Node *node; | |
809 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
810 | { | |
811 | wxWindowBase *child = node->GetData(); | |
812 | wxValidator *validator = child->GetValidator(); | |
813 | if ( validator && !validator->Validate((wxWindow *)this) ) | |
814 | { | |
815 | return FALSE; | |
816 | } | |
817 | ||
818 | if ( recurse && !child->Validate() ) | |
819 | { | |
820 | return FALSE; | |
821 | } | |
822 | } | |
823 | #endif // wxUSE_VALIDATORS | |
824 | ||
825 | return TRUE; | |
826 | } | |
827 | ||
828 | bool wxWindowBase::TransferDataToWindow() | |
829 | { | |
830 | #if wxUSE_VALIDATORS | |
831 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; | |
832 | ||
833 | wxWindowList::Node *node; | |
834 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
835 | { | |
836 | wxWindowBase *child = node->GetData(); | |
837 | wxValidator *validator = child->GetValidator(); | |
838 | if ( validator && !validator->TransferToWindow() ) | |
839 | { | |
840 | wxLogWarning(_("Could not transfer data to window")); | |
841 | wxLog::FlushActive(); | |
842 | ||
843 | return FALSE; | |
844 | } | |
845 | ||
846 | if ( recurse ) | |
847 | { | |
848 | if ( !child->TransferDataToWindow() ) | |
849 | { | |
850 | // warning already given | |
851 | return FALSE; | |
852 | } | |
853 | } | |
854 | } | |
855 | #endif // wxUSE_VALIDATORS | |
856 | ||
857 | return TRUE; | |
858 | } | |
859 | ||
860 | bool wxWindowBase::TransferDataFromWindow() | |
861 | { | |
862 | #if wxUSE_VALIDATORS | |
863 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; | |
864 | ||
865 | wxWindowList::Node *node; | |
866 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
867 | { | |
868 | wxWindow *child = node->GetData(); | |
869 | wxValidator *validator = child->GetValidator(); | |
870 | if ( validator && !validator->TransferFromWindow() ) | |
871 | { | |
872 | // nop warning here because the application is supposed to give | |
873 | // one itself - we don't know here what might have gone wrongly | |
874 | ||
875 | return FALSE; | |
876 | } | |
877 | ||
878 | if ( recurse ) | |
879 | { | |
880 | if ( !child->TransferDataFromWindow() ) | |
881 | { | |
882 | // warning already given | |
883 | return FALSE; | |
884 | } | |
885 | } | |
886 | } | |
887 | #endif // wxUSE_VALIDATORS | |
888 | ||
889 | return TRUE; | |
890 | } | |
891 | ||
892 | void wxWindowBase::InitDialog() | |
893 | { | |
894 | wxInitDialogEvent event(GetId()); | |
895 | event.SetEventObject( this ); | |
896 | GetEventHandler()->ProcessEvent(event); | |
897 | } | |
898 | ||
899 | // ---------------------------------------------------------------------------- | |
900 | // context-sensitive help support | |
901 | // ---------------------------------------------------------------------------- | |
902 | ||
903 | #if wxUSE_HELP | |
904 | ||
905 | // associate this help text with this window | |
906 | void wxWindowBase::SetHelpText(const wxString& text) | |
907 | { | |
908 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
909 | if ( helpProvider ) | |
910 | { | |
911 | helpProvider->AddHelp(this, text); | |
912 | } | |
913 | } | |
914 | ||
915 | // associate this help text with all windows with the same id as this | |
916 | // one | |
917 | void wxWindowBase::SetHelpTextForId(const wxString& text) | |
918 | { | |
919 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
920 | if ( helpProvider ) | |
921 | { | |
922 | helpProvider->AddHelp(GetId(), text); | |
923 | } | |
924 | } | |
925 | ||
926 | // get the help string associated with this window (may be empty) | |
927 | wxString wxWindowBase::GetHelpText() const | |
928 | { | |
929 | wxString text; | |
930 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
931 | if ( helpProvider ) | |
932 | { | |
933 | text = helpProvider->GetHelp(this); | |
934 | } | |
935 | ||
936 | return text; | |
937 | } | |
938 | ||
939 | // show help for this window | |
940 | void wxWindowBase::OnHelp(wxHelpEvent& event) | |
941 | { | |
942 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
943 | if ( helpProvider ) | |
944 | { | |
945 | if ( helpProvider->ShowHelp(this) ) | |
946 | { | |
947 | // skip the event.Skip() below | |
948 | return; | |
949 | } | |
950 | } | |
951 | ||
952 | event.Skip(); | |
953 | } | |
954 | ||
955 | #endif // wxUSE_HELP | |
956 | ||
957 | // ---------------------------------------------------------------------------- | |
958 | // tooltips | |
959 | // ---------------------------------------------------------------------------- | |
960 | ||
961 | #if wxUSE_TOOLTIPS | |
962 | ||
963 | void wxWindowBase::SetToolTip( const wxString &tip ) | |
964 | { | |
965 | // don't create the new tooltip if we already have one | |
966 | if ( m_tooltip ) | |
967 | { | |
968 | m_tooltip->SetTip( tip ); | |
969 | } | |
970 | else | |
971 | { | |
972 | SetToolTip( new wxToolTip( tip ) ); | |
973 | } | |
974 | ||
975 | // setting empty tooltip text does not remove the tooltip any more - use | |
976 | // SetToolTip((wxToolTip *)NULL) for this | |
977 | } | |
978 | ||
979 | void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) | |
980 | { | |
981 | if ( m_tooltip ) | |
982 | delete m_tooltip; | |
983 | ||
984 | m_tooltip = tooltip; | |
985 | } | |
986 | ||
987 | #endif // wxUSE_TOOLTIPS | |
988 | ||
989 | // ---------------------------------------------------------------------------- | |
990 | // constraints and sizers | |
991 | // ---------------------------------------------------------------------------- | |
992 | ||
993 | #if wxUSE_CONSTRAINTS | |
994 | ||
995 | void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints ) | |
996 | { | |
997 | if ( m_constraints ) | |
998 | { | |
999 | UnsetConstraints(m_constraints); | |
1000 | delete m_constraints; | |
1001 | } | |
1002 | m_constraints = constraints; | |
1003 | if ( m_constraints ) | |
1004 | { | |
1005 | // Make sure other windows know they're part of a 'meaningful relationship' | |
1006 | if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) ) | |
1007 | m_constraints->left.GetOtherWindow()->AddConstraintReference(this); | |
1008 | if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) ) | |
1009 | m_constraints->top.GetOtherWindow()->AddConstraintReference(this); | |
1010 | if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) ) | |
1011 | m_constraints->right.GetOtherWindow()->AddConstraintReference(this); | |
1012 | if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) ) | |
1013 | m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this); | |
1014 | if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) ) | |
1015 | m_constraints->width.GetOtherWindow()->AddConstraintReference(this); | |
1016 | if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) ) | |
1017 | m_constraints->height.GetOtherWindow()->AddConstraintReference(this); | |
1018 | if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) ) | |
1019 | m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this); | |
1020 | if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) ) | |
1021 | m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this); | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | // This removes any dangling pointers to this window in other windows' | |
1026 | // constraintsInvolvedIn lists. | |
1027 | void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c) | |
1028 | { | |
1029 | if ( c ) | |
1030 | { | |
1031 | if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) | |
1032 | c->left.GetOtherWindow()->RemoveConstraintReference(this); | |
1033 | if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) | |
1034 | c->top.GetOtherWindow()->RemoveConstraintReference(this); | |
1035 | if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) ) | |
1036 | c->right.GetOtherWindow()->RemoveConstraintReference(this); | |
1037 | if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) ) | |
1038 | c->bottom.GetOtherWindow()->RemoveConstraintReference(this); | |
1039 | if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) ) | |
1040 | c->width.GetOtherWindow()->RemoveConstraintReference(this); | |
1041 | if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) ) | |
1042 | c->height.GetOtherWindow()->RemoveConstraintReference(this); | |
1043 | if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) ) | |
1044 | c->centreX.GetOtherWindow()->RemoveConstraintReference(this); | |
1045 | if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) ) | |
1046 | c->centreY.GetOtherWindow()->RemoveConstraintReference(this); | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | // Back-pointer to other windows we're involved with, so if we delete this | |
1051 | // window, we must delete any constraints we're involved with. | |
1052 | void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin) | |
1053 | { | |
1054 | if ( !m_constraintsInvolvedIn ) | |
1055 | m_constraintsInvolvedIn = new wxWindowList; | |
1056 | if ( !m_constraintsInvolvedIn->Find(otherWin) ) | |
1057 | m_constraintsInvolvedIn->Append(otherWin); | |
1058 | } | |
1059 | ||
1060 | // REMOVE back-pointer to other windows we're involved with. | |
1061 | void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) | |
1062 | { | |
1063 | if ( m_constraintsInvolvedIn ) | |
1064 | m_constraintsInvolvedIn->DeleteObject(otherWin); | |
1065 | } | |
1066 | ||
1067 | // Reset any constraints that mention this window | |
1068 | void wxWindowBase::DeleteRelatedConstraints() | |
1069 | { | |
1070 | if ( m_constraintsInvolvedIn ) | |
1071 | { | |
1072 | wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst(); | |
1073 | while (node) | |
1074 | { | |
1075 | wxWindow *win = node->GetData(); | |
1076 | wxLayoutConstraints *constr = win->GetConstraints(); | |
1077 | ||
1078 | // Reset any constraints involving this window | |
1079 | if ( constr ) | |
1080 | { | |
1081 | constr->left.ResetIfWin(this); | |
1082 | constr->top.ResetIfWin(this); | |
1083 | constr->right.ResetIfWin(this); | |
1084 | constr->bottom.ResetIfWin(this); | |
1085 | constr->width.ResetIfWin(this); | |
1086 | constr->height.ResetIfWin(this); | |
1087 | constr->centreX.ResetIfWin(this); | |
1088 | constr->centreY.ResetIfWin(this); | |
1089 | } | |
1090 | ||
1091 | wxWindowList::Node *next = node->GetNext(); | |
1092 | delete node; | |
1093 | node = next; | |
1094 | } | |
1095 | ||
1096 | delete m_constraintsInvolvedIn; | |
1097 | m_constraintsInvolvedIn = (wxWindowList *) NULL; | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | void wxWindowBase::SetSizer(wxSizer *sizer) | |
1102 | { | |
1103 | if (m_windowSizer) delete m_windowSizer; | |
1104 | ||
1105 | m_windowSizer = sizer; | |
1106 | } | |
1107 | ||
1108 | bool wxWindowBase::Layout() | |
1109 | { | |
1110 | // If there is a sizer, use it instead of the constraints | |
1111 | if ( GetSizer() ) | |
1112 | { | |
1113 | int w, h; | |
1114 | GetClientSize(&w, &h); | |
1115 | ||
1116 | GetSizer()->SetDimension( 0, 0, w, h ); | |
1117 | } | |
1118 | else | |
1119 | { | |
1120 | wxLayoutConstraints *constr = GetConstraints(); | |
1121 | bool wasOk = constr && constr->AreSatisfied(); | |
1122 | ||
1123 | ResetConstraints(); // Mark all constraints as unevaluated | |
1124 | ||
1125 | // if we're a top level panel (i.e. our parent is frame/dialog), our | |
1126 | // own constraints will never be satisfied any more unless we do it | |
1127 | // here | |
1128 | if ( wasOk ) | |
1129 | { | |
1130 | int noChanges = 1; | |
1131 | while ( noChanges > 0 ) | |
1132 | { | |
1133 | constr->SatisfyConstraints(this, &noChanges); | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | DoPhase(1); // Layout children | |
1138 | DoPhase(2); // Layout grand children | |
1139 | SetConstraintSizes(); // Recursively set the real window sizes | |
1140 | } | |
1141 | ||
1142 | return TRUE; | |
1143 | } | |
1144 | ||
1145 | ||
1146 | // Do a phase of evaluating constraints: the default behaviour. wxSizers may | |
1147 | // do a similar thing, but also impose their own 'constraints' and order the | |
1148 | // evaluation differently. | |
1149 | bool wxWindowBase::LayoutPhase1(int *noChanges) | |
1150 | { | |
1151 | wxLayoutConstraints *constr = GetConstraints(); | |
1152 | if ( constr ) | |
1153 | { | |
1154 | return constr->SatisfyConstraints(this, noChanges); | |
1155 | } | |
1156 | else | |
1157 | return TRUE; | |
1158 | } | |
1159 | ||
1160 | bool wxWindowBase::LayoutPhase2(int *noChanges) | |
1161 | { | |
1162 | *noChanges = 0; | |
1163 | ||
1164 | // Layout children | |
1165 | DoPhase(1); | |
1166 | DoPhase(2); | |
1167 | return TRUE; | |
1168 | } | |
1169 | ||
1170 | // Do a phase of evaluating child constraints | |
1171 | bool wxWindowBase::DoPhase(int phase) | |
1172 | { | |
1173 | int noIterations = 0; | |
1174 | int maxIterations = 500; | |
1175 | int noChanges = 1; | |
1176 | int noFailures = 0; | |
1177 | wxWindowList succeeded; | |
1178 | while ((noChanges > 0) && (noIterations < maxIterations)) | |
1179 | { | |
1180 | noChanges = 0; | |
1181 | noFailures = 0; | |
1182 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1183 | while (node) | |
1184 | { | |
1185 | wxWindow *child = node->GetData(); | |
1186 | if ( !child->IsTopLevel() ) | |
1187 | { | |
1188 | wxLayoutConstraints *constr = child->GetConstraints(); | |
1189 | if ( constr ) | |
1190 | { | |
1191 | if ( !succeeded.Find(child) ) | |
1192 | { | |
1193 | int tempNoChanges = 0; | |
1194 | bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; | |
1195 | noChanges += tempNoChanges; | |
1196 | if ( success ) | |
1197 | { | |
1198 | succeeded.Append(child); | |
1199 | } | |
1200 | } | |
1201 | } | |
1202 | } | |
1203 | node = node->GetNext(); | |
1204 | } | |
1205 | ||
1206 | noIterations++; | |
1207 | } | |
1208 | ||
1209 | return TRUE; | |
1210 | } | |
1211 | ||
1212 | void wxWindowBase::ResetConstraints() | |
1213 | { | |
1214 | wxLayoutConstraints *constr = GetConstraints(); | |
1215 | if ( constr ) | |
1216 | { | |
1217 | constr->left.SetDone(FALSE); | |
1218 | constr->top.SetDone(FALSE); | |
1219 | constr->right.SetDone(FALSE); | |
1220 | constr->bottom.SetDone(FALSE); | |
1221 | constr->width.SetDone(FALSE); | |
1222 | constr->height.SetDone(FALSE); | |
1223 | constr->centreX.SetDone(FALSE); | |
1224 | constr->centreY.SetDone(FALSE); | |
1225 | } | |
1226 | ||
1227 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1228 | while (node) | |
1229 | { | |
1230 | wxWindow *win = node->GetData(); | |
1231 | if ( !win->IsTopLevel() ) | |
1232 | win->ResetConstraints(); | |
1233 | node = node->GetNext(); | |
1234 | } | |
1235 | } | |
1236 | ||
1237 | // Need to distinguish between setting the 'fake' size for windows and sizers, | |
1238 | // and setting the real values. | |
1239 | void wxWindowBase::SetConstraintSizes(bool recurse) | |
1240 | { | |
1241 | wxLayoutConstraints *constr = GetConstraints(); | |
1242 | if ( constr && constr->AreSatisfied() ) | |
1243 | { | |
1244 | int x = constr->left.GetValue(); | |
1245 | int y = constr->top.GetValue(); | |
1246 | int w = constr->width.GetValue(); | |
1247 | int h = constr->height.GetValue(); | |
1248 | ||
1249 | if ( (constr->width.GetRelationship() != wxAsIs ) || | |
1250 | (constr->height.GetRelationship() != wxAsIs) ) | |
1251 | { | |
1252 | SetSize(x, y, w, h); | |
1253 | } | |
1254 | else | |
1255 | { | |
1256 | // If we don't want to resize this window, just move it... | |
1257 | Move(x, y); | |
1258 | } | |
1259 | } | |
1260 | else if ( constr ) | |
1261 | { | |
1262 | wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."), | |
1263 | GetClassInfo()->GetClassName(), | |
1264 | GetName().c_str()); | |
1265 | } | |
1266 | ||
1267 | if ( recurse ) | |
1268 | { | |
1269 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1270 | while (node) | |
1271 | { | |
1272 | wxWindow *win = node->GetData(); | |
1273 | if ( !win->IsTopLevel() ) | |
1274 | win->SetConstraintSizes(); | |
1275 | node = node->GetNext(); | |
1276 | } | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | // Only set the size/position of the constraint (if any) | |
1281 | void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) | |
1282 | { | |
1283 | wxLayoutConstraints *constr = GetConstraints(); | |
1284 | if ( constr ) | |
1285 | { | |
1286 | if ( x != -1 ) | |
1287 | { | |
1288 | constr->left.SetValue(x); | |
1289 | constr->left.SetDone(TRUE); | |
1290 | } | |
1291 | if ( y != -1 ) | |
1292 | { | |
1293 | constr->top.SetValue(y); | |
1294 | constr->top.SetDone(TRUE); | |
1295 | } | |
1296 | if ( w != -1 ) | |
1297 | { | |
1298 | constr->width.SetValue(w); | |
1299 | constr->width.SetDone(TRUE); | |
1300 | } | |
1301 | if ( h != -1 ) | |
1302 | { | |
1303 | constr->height.SetValue(h); | |
1304 | constr->height.SetDone(TRUE); | |
1305 | } | |
1306 | } | |
1307 | } | |
1308 | ||
1309 | void wxWindowBase::MoveConstraint(int x, int y) | |
1310 | { | |
1311 | wxLayoutConstraints *constr = GetConstraints(); | |
1312 | if ( constr ) | |
1313 | { | |
1314 | if ( x != -1 ) | |
1315 | { | |
1316 | constr->left.SetValue(x); | |
1317 | constr->left.SetDone(TRUE); | |
1318 | } | |
1319 | if ( y != -1 ) | |
1320 | { | |
1321 | constr->top.SetValue(y); | |
1322 | constr->top.SetDone(TRUE); | |
1323 | } | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | void wxWindowBase::GetSizeConstraint(int *w, int *h) const | |
1328 | { | |
1329 | wxLayoutConstraints *constr = GetConstraints(); | |
1330 | if ( constr ) | |
1331 | { | |
1332 | *w = constr->width.GetValue(); | |
1333 | *h = constr->height.GetValue(); | |
1334 | } | |
1335 | else | |
1336 | GetSize(w, h); | |
1337 | } | |
1338 | ||
1339 | void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const | |
1340 | { | |
1341 | wxLayoutConstraints *constr = GetConstraints(); | |
1342 | if ( constr ) | |
1343 | { | |
1344 | *w = constr->width.GetValue(); | |
1345 | *h = constr->height.GetValue(); | |
1346 | } | |
1347 | else | |
1348 | GetClientSize(w, h); | |
1349 | } | |
1350 | ||
1351 | void wxWindowBase::GetPositionConstraint(int *x, int *y) const | |
1352 | { | |
1353 | wxLayoutConstraints *constr = GetConstraints(); | |
1354 | if ( constr ) | |
1355 | { | |
1356 | *x = constr->left.GetValue(); | |
1357 | *y = constr->top.GetValue(); | |
1358 | } | |
1359 | else | |
1360 | GetPosition(x, y); | |
1361 | } | |
1362 | ||
1363 | #endif // wxUSE_CONSTRAINTS | |
1364 | ||
1365 | // ---------------------------------------------------------------------------- | |
1366 | // do Update UI processing for child controls | |
1367 | // ---------------------------------------------------------------------------- | |
1368 | ||
1369 | // TODO: should this be implemented for the child window rather | |
1370 | // than the parent? Then you can override it e.g. for wxCheckBox | |
1371 | // to do the Right Thing rather than having to assume a fixed number | |
1372 | // of control classes. | |
1373 | void wxWindowBase::UpdateWindowUI() | |
1374 | { | |
1375 | #if wxUSE_CONTROLS | |
1376 | wxUpdateUIEvent event(GetId()); | |
1377 | event.m_eventObject = this; | |
1378 | ||
1379 | if ( GetEventHandler()->ProcessEvent(event) ) | |
1380 | { | |
1381 | if ( event.GetSetEnabled() ) | |
1382 | Enable(event.GetEnabled()); | |
1383 | ||
1384 | if ( event.GetSetText() ) | |
1385 | { | |
1386 | wxControl *control = wxDynamicThisCast(this, wxControl); | |
1387 | if ( control ) | |
1388 | { | |
1389 | #if wxUSE_TEXTCTRL | |
1390 | wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); | |
1391 | if ( text ) | |
1392 | text->SetValue(event.GetText()); | |
1393 | else | |
1394 | #endif // wxUSE_TEXTCTRL | |
1395 | control->SetLabel(event.GetText()); | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | #if wxUSE_CHECKBOX | |
1400 | wxCheckBox *checkbox = wxDynamicThisCast(this, wxCheckBox); | |
1401 | if ( checkbox ) | |
1402 | { | |
1403 | if ( event.GetSetChecked() ) | |
1404 | checkbox->SetValue(event.GetChecked()); | |
1405 | } | |
1406 | #endif // wxUSE_CHECKBOX | |
1407 | ||
1408 | #if wxUSE_RADIOBTN | |
1409 | wxRadioButton *radiobtn = wxDynamicThisCast(this, wxRadioButton); | |
1410 | if ( radiobtn ) | |
1411 | { | |
1412 | if ( event.GetSetChecked() ) | |
1413 | radiobtn->SetValue(event.GetChecked()); | |
1414 | } | |
1415 | #endif // wxUSE_RADIOBTN | |
1416 | } | |
1417 | #endif // wxUSE_CONTROLS | |
1418 | } | |
1419 | ||
1420 | // ---------------------------------------------------------------------------- | |
1421 | // dialog units translations | |
1422 | // ---------------------------------------------------------------------------- | |
1423 | ||
1424 | wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) | |
1425 | { | |
1426 | int charWidth = GetCharWidth(); | |
1427 | int charHeight = GetCharHeight(); | |
1428 | wxPoint pt2(-1, -1); | |
1429 | if (pt.x != -1) | |
1430 | pt2.x = (int) ((pt.x * 4) / charWidth) ; | |
1431 | if (pt.y != -1) | |
1432 | pt2.y = (int) ((pt.y * 8) / charHeight) ; | |
1433 | ||
1434 | return pt2; | |
1435 | } | |
1436 | ||
1437 | wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) | |
1438 | { | |
1439 | int charWidth = GetCharWidth(); | |
1440 | int charHeight = GetCharHeight(); | |
1441 | wxPoint pt2(-1, -1); | |
1442 | if (pt.x != -1) | |
1443 | pt2.x = (int) ((pt.x * charWidth) / 4) ; | |
1444 | if (pt.y != -1) | |
1445 | pt2.y = (int) ((pt.y * charHeight) / 8) ; | |
1446 | ||
1447 | return pt2; | |
1448 | } | |
1449 | ||
1450 | // ---------------------------------------------------------------------------- | |
1451 | // client data | |
1452 | // ---------------------------------------------------------------------------- | |
1453 | ||
1454 | void wxWindowBase::DoSetClientObject( wxClientData *data ) | |
1455 | { | |
1456 | wxASSERT_MSG( m_clientDataType != wxClientData_Void, | |
1457 | wxT("can't have both object and void client data") ); | |
1458 | ||
1459 | if ( m_clientObject ) | |
1460 | delete m_clientObject; | |
1461 | ||
1462 | m_clientObject = data; | |
1463 | m_clientDataType = wxClientData_Object; | |
1464 | } | |
1465 | ||
1466 | wxClientData *wxWindowBase::DoGetClientObject() const | |
1467 | { | |
1468 | // it's not an error to call GetClientObject() on a window which doesn't | |
1469 | // have client data at all - NULL will be returned | |
1470 | wxASSERT_MSG( m_clientDataType != wxClientData_Void, | |
1471 | wxT("this window doesn't have object client data") ); | |
1472 | ||
1473 | return m_clientObject; | |
1474 | } | |
1475 | ||
1476 | void wxWindowBase::DoSetClientData( void *data ) | |
1477 | { | |
1478 | wxASSERT_MSG( m_clientDataType != wxClientData_Object, | |
1479 | wxT("can't have both object and void client data") ); | |
1480 | ||
1481 | m_clientData = data; | |
1482 | m_clientDataType = wxClientData_Void; | |
1483 | } | |
1484 | ||
1485 | void *wxWindowBase::DoGetClientData() const | |
1486 | { | |
1487 | // it's not an error to call GetClientData() on a window which doesn't have | |
1488 | // client data at all - NULL will be returned | |
1489 | wxASSERT_MSG( m_clientDataType != wxClientData_Object, | |
1490 | wxT("this window doesn't have void client data") ); | |
1491 | ||
1492 | return m_clientData; | |
1493 | } | |
1494 | ||
1495 | // ---------------------------------------------------------------------------- | |
1496 | // event handlers | |
1497 | // ---------------------------------------------------------------------------- | |
1498 | ||
1499 | // propagate the colour change event to the subwindows | |
1500 | void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) | |
1501 | { | |
1502 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1503 | while ( node ) | |
1504 | { | |
1505 | // Only propagate to non-top-level windows | |
1506 | wxWindow *win = node->GetData(); | |
1507 | if ( !win->IsTopLevel() ) | |
1508 | { | |
1509 | wxSysColourChangedEvent event2; | |
1510 | event.m_eventObject = win; | |
1511 | win->GetEventHandler()->ProcessEvent(event2); | |
1512 | } | |
1513 | ||
1514 | node = node->GetNext(); | |
1515 | } | |
1516 | } | |
1517 | ||
1518 | // the default action is to populate dialog with data when it's created | |
1519 | void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) | |
1520 | { | |
1521 | TransferDataToWindow(); | |
1522 | } | |
1523 | ||
1524 | // process Ctrl-Alt-mclick | |
1525 | void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) | |
1526 | { | |
1527 | #if wxUSE_MSGDLG | |
1528 | if ( event.ControlDown() && event.AltDown() ) | |
1529 | { | |
1530 | // don't translate these strings | |
1531 | wxString port; | |
1532 | switch ( wxGetOsVersion() ) | |
1533 | { | |
1534 | case wxMOTIF_X: port = _T("Motif"); break; | |
1535 | case wxMACINTOSH: port = _T("Mac"); break; | |
1536 | case wxBEOS: port = _T("BeOS"); break; | |
1537 | case wxGTK: | |
1538 | case wxGTK_WIN32: | |
1539 | case wxGTK_OS2: | |
1540 | case wxGTK_BEOS: port = _T("GTK"); break; | |
1541 | case wxWINDOWS: | |
1542 | case wxPENWINDOWS: | |
1543 | case wxWINDOWS_NT: | |
1544 | case wxWIN32S: | |
1545 | case wxWIN95: | |
1546 | case wxWIN386: port = _T("MS Windows"); break; | |
1547 | case wxMGL_UNIX: | |
1548 | case wxMGL_X: | |
1549 | case wxMGL_WIN32: | |
1550 | case wxMGL_OS2: port = _T("MGL"); break; | |
1551 | case wxWINDOWS_OS2: | |
1552 | case wxOS2_PM: port = _T("OS/2"); break; | |
1553 | default: port = _T("unknown"); break; | |
1554 | } | |
1555 | ||
1556 | wxMessageBox(wxString::Format( | |
1557 | _T( | |
1558 | " wxWindows Library (%s port)\nVersion %u.%u.%u, compiled at %s %s\n Copyright (c) 1995-2000 wxWindows team" | |
1559 | ), | |
1560 | port.c_str(), | |
1561 | wxMAJOR_VERSION, | |
1562 | wxMINOR_VERSION, | |
1563 | wxRELEASE_NUMBER, | |
1564 | __DATE__, | |
1565 | __TIME__ | |
1566 | ), | |
1567 | _T("wxWindows information"), | |
1568 | wxICON_INFORMATION | wxOK, | |
1569 | (wxWindow *)this); | |
1570 | } | |
1571 | else | |
1572 | #endif // wxUSE_MSGDLG | |
1573 | { | |
1574 | event.Skip(); | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | // ---------------------------------------------------------------------------- | |
1579 | // list classes implementation | |
1580 | // ---------------------------------------------------------------------------- | |
1581 | ||
1582 | void wxWindowListNode::DeleteData() | |
1583 | { | |
1584 | delete (wxWindow *)GetData(); | |
1585 | } | |
1586 | ||
1587 | // ---------------------------------------------------------------------------- | |
1588 | // borders | |
1589 | // ---------------------------------------------------------------------------- | |
1590 | ||
1591 | wxBorder wxWindowBase::GetBorder() const | |
1592 | { | |
1593 | wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK); | |
1594 | if ( border == wxBORDER_DEFAULT ) | |
1595 | { | |
1596 | border = GetDefaultBorder(); | |
1597 | } | |
1598 | ||
1599 | return border; | |
1600 | } | |
1601 | ||
1602 | wxBorder wxWindowBase::GetDefaultBorder() const | |
1603 | { | |
1604 | return wxBORDER_NONE; | |
1605 | } | |
1606 | ||
1607 | // ---------------------------------------------------------------------------- | |
1608 | // hit testing | |
1609 | // ---------------------------------------------------------------------------- | |
1610 | ||
1611 | wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const | |
1612 | { | |
1613 | // here we just check if the point is inside the window or not | |
1614 | ||
1615 | // check the top and left border first | |
1616 | bool outside = x < 0 || y < 0; | |
1617 | if ( !outside ) | |
1618 | { | |
1619 | // check the right and bottom borders too | |
1620 | wxSize size = GetSize(); | |
1621 | outside = x >= size.x || y >= size.y; | |
1622 | } | |
1623 | ||
1624 | return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE; | |
1625 | } | |
1626 |