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7ec1983b | 1 | ///////////////////////////////////////////////////////////////////////////// |
f03fc89f | 2 | // Name: common/window.cpp |
7ec1983b VZ |
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: $Id$ | |
f03fc89f | 8 | // Copyright: (c) wxWindows team |
7ec1983b VZ |
9 | // Licence: wxWindows license |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
f03fc89f VZ |
12 | // ============================================================================ |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
f701d7ab | 19 | |
58654ed0 VZ |
20 | #ifdef __GNUG__ |
21 | #pragma implementation "windowbase.h" | |
22 | #endif | |
23 | ||
341287bf JS |
24 | // For compilers that support precompilation, includes "wx.h". |
25 | #include "wx/wxprec.h" | |
26 | ||
f701d7ab | 27 | #ifdef __BORLANDC__ |
f03fc89f | 28 | #pragma hdrstop |
f701d7ab JS |
29 | #endif |
30 | ||
f03fc89f VZ |
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" | |
1e6feb95 | 38 | #include "wx/control.h" |
f03fc89f VZ |
39 | #include "wx/checkbox.h" |
40 | #include "wx/radiobut.h" | |
26bf1ce0 | 41 | #include "wx/textctrl.h" |
f03fc89f VZ |
42 | #include "wx/settings.h" |
43 | #include "wx/dialog.h" | |
a02dc3e3 | 44 | #include "wx/msgdlg.h" |
a37a5a73 | 45 | #include "wx/statusbr.h" |
f03fc89f VZ |
46 | #endif //WX_PRECOMP |
47 | ||
48 | #if wxUSE_CONSTRAINTS | |
49 | #include "wx/layout.h" | |
3417c2cd | 50 | #include "wx/sizer.h" |
f03fc89f VZ |
51 | #endif // wxUSE_CONSTRAINTS |
52 | ||
53 | #if wxUSE_DRAG_AND_DROP | |
54 | #include "wx/dnd.h" | |
55 | #endif // wxUSE_DRAG_AND_DROP | |
56 | ||
bd83cb56 VZ |
57 | #if wxUSE_HELP |
58 | #include "wx/cshelp.h" | |
59 | #endif // wxUSE_HELP | |
60 | ||
f03fc89f VZ |
61 | #if wxUSE_TOOLTIPS |
62 | #include "wx/tooltip.h" | |
63 | #endif // wxUSE_TOOLTIPS | |
64 | ||
789295bf VZ |
65 | #if wxUSE_CARET |
66 | #include "wx/caret.h" | |
67 | #endif // wxUSE_CARET | |
68 | ||
f03fc89f VZ |
69 | // ---------------------------------------------------------------------------- |
70 | // static data | |
71 | // ---------------------------------------------------------------------------- | |
72 | ||
42e69d6b | 73 | int wxWindowBase::ms_lastControlId = -200; |
f03fc89f VZ |
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) | |
a02dc3e3 | 84 | EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick) |
bd83cb56 VZ |
85 | |
86 | #if wxUSE_HELP | |
87 | EVT_HELP(-1, wxWindowBase::OnHelp) | |
88 | #endif // wxUSE_HELP | |
89 | ||
f03fc89f VZ |
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 | |
f03fc89f VZ |
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 | ||
f03fc89f VZ |
118 | // the default event handler is just this window |
119 | m_eventHandler = this; | |
120 | ||
88ac883a | 121 | #if wxUSE_VALIDATORS |
f03fc89f VZ |
122 | // no validator |
123 | m_windowValidator = (wxValidator *) NULL; | |
88ac883a | 124 | #endif // wxUSE_VALIDATORS |
f03fc89f VZ |
125 | |
126 | // use the system default colours | |
a756f210 VS |
127 | m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); |
128 | m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); | |
f6e4e9ea | 129 | |
8bf30fe9 VZ |
130 | // don't set the font here for wxMSW as we don't call WM_SETFONT here and |
131 | // so the font is *not* really set - but calls to SetFont() later won't do | |
132 | // anything because m_font appears to be already set! | |
133 | #ifndef __WXMSW__ | |
a756f210 | 134 | m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); |
8bf30fe9 | 135 | #endif // __WXMSW__ |
807a903e | 136 | |
08df3e44 VZ |
137 | // the colours/fonts are default for now |
138 | m_hasBgCol = | |
139 | m_hasFgCol = | |
140 | m_hasFont = FALSE; | |
141 | ||
f03fc89f | 142 | // no style bits |
d80cd92a | 143 | m_exStyle = |
f03fc89f VZ |
144 | m_windowStyle = 0; |
145 | ||
146 | // an optimization for the event processing: checking this flag is much | |
147 | // faster than using IsKindOf(CLASSINFO(wxWindow)) | |
148 | m_isWindow = TRUE; | |
149 | ||
150 | #if wxUSE_CONSTRAINTS | |
151 | // no constraints whatsoever | |
152 | m_constraints = (wxLayoutConstraints *) NULL; | |
153 | m_constraintsInvolvedIn = (wxWindowList *) NULL; | |
154 | m_windowSizer = (wxSizer *) NULL; | |
f03fc89f VZ |
155 | m_autoLayout = FALSE; |
156 | #endif // wxUSE_CONSTRAINTS | |
157 | ||
158 | #if wxUSE_DRAG_AND_DROP | |
159 | m_dropTarget = (wxDropTarget *)NULL; | |
160 | #endif // wxUSE_DRAG_AND_DROP | |
161 | ||
162 | #if wxUSE_TOOLTIPS | |
163 | m_tooltip = (wxToolTip *)NULL; | |
164 | #endif // wxUSE_TOOLTIPS | |
789295bf VZ |
165 | |
166 | #if wxUSE_CARET | |
167 | m_caret = (wxCaret *)NULL; | |
168 | #endif // wxUSE_CARET | |
a2d93e73 JS |
169 | |
170 | // Whether we're using the current theme for this window (wxGTK only for now) | |
171 | m_themeEnabled = FALSE; | |
f03fc89f VZ |
172 | } |
173 | ||
174 | // common part of window creation process | |
175 | bool wxWindowBase::CreateBase(wxWindowBase *parent, | |
176 | wxWindowID id, | |
74e3313b VZ |
177 | const wxPoint& WXUNUSED(pos), |
178 | const wxSize& WXUNUSED(size), | |
f03fc89f | 179 | long style, |
8d99be5f | 180 | const wxValidator& validator, |
f03fc89f VZ |
181 | const wxString& name) |
182 | { | |
183 | // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other | |
184 | // member variables - check that it has been called (will catch the case | |
185 | // when a new ctor is added which doesn't call InitWindow) | |
223d09f6 | 186 | wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); |
f03fc89f VZ |
187 | |
188 | // generate a new id if the user doesn't care about it | |
69418a8e | 189 | m_windowId = id == -1 ? NewControlId() : id; |
f03fc89f VZ |
190 | |
191 | SetName(name); | |
192 | SetWindowStyleFlag(style); | |
193 | SetParent(parent); | |
674ac8b9 VZ |
194 | |
195 | #if wxUSE_VALIDATORS | |
8d99be5f | 196 | SetValidator(validator); |
674ac8b9 | 197 | #endif // wxUSE_VALIDATORS |
f03fc89f | 198 | |
8ae6ce07 VZ |
199 | // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to |
200 | // have it too - like this it's possible to set it only in the top level | |
201 | // dialog/frame and all children will inherit it by defult | |
202 | if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) ) | |
203 | { | |
204 | SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY); | |
205 | } | |
206 | ||
f03fc89f VZ |
207 | return TRUE; |
208 | } | |
209 | ||
210 | // ---------------------------------------------------------------------------- | |
211 | // destruction | |
212 | // ---------------------------------------------------------------------------- | |
213 | ||
214 | // common clean up | |
215 | wxWindowBase::~wxWindowBase() | |
216 | { | |
217 | // FIXME if these 2 cases result from programming errors in the user code | |
218 | // we should probably assert here instead of silently fixing them | |
219 | ||
220 | // Just in case the window has been Closed, but we're then deleting | |
221 | // immediately: don't leave dangling pointers. | |
222 | wxPendingDelete.DeleteObject(this); | |
223 | ||
224 | // Just in case we've loaded a top-level window via LoadNativeDialog but | |
225 | // we weren't a dialog class | |
226 | wxTopLevelWindows.DeleteObject(this); | |
a23fd0e1 | 227 | |
223d09f6 | 228 | wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); |
f03fc89f | 229 | |
789295bf VZ |
230 | #if wxUSE_CARET |
231 | if ( m_caret ) | |
232 | delete m_caret; | |
233 | #endif // wxUSE_CARET | |
234 | ||
88ac883a | 235 | #if wxUSE_VALIDATORS |
f03fc89f VZ |
236 | if ( m_windowValidator ) |
237 | delete m_windowValidator; | |
88ac883a | 238 | #endif // wxUSE_VALIDATORS |
f03fc89f | 239 | |
f03fc89f VZ |
240 | #if wxUSE_CONSTRAINTS |
241 | // Have to delete constraints/sizer FIRST otherwise sizers may try to look | |
242 | // at deleted windows as they delete themselves. | |
243 | DeleteRelatedConstraints(); | |
244 | ||
245 | if ( m_constraints ) | |
246 | { | |
247 | // This removes any dangling pointers to this window in other windows' | |
248 | // constraintsInvolvedIn lists. | |
249 | UnsetConstraints(m_constraints); | |
250 | delete m_constraints; | |
251 | m_constraints = NULL; | |
252 | } | |
253 | ||
254 | if ( m_windowSizer ) | |
255 | delete m_windowSizer; | |
256 | ||
f03fc89f VZ |
257 | #endif // wxUSE_CONSTRAINTS |
258 | ||
259 | #if wxUSE_DRAG_AND_DROP | |
260 | if ( m_dropTarget ) | |
261 | delete m_dropTarget; | |
262 | #endif // wxUSE_DRAG_AND_DROP | |
263 | ||
264 | #if wxUSE_TOOLTIPS | |
265 | if ( m_tooltip ) | |
266 | delete m_tooltip; | |
267 | #endif // wxUSE_TOOLTIPS | |
b0ee47ff VZ |
268 | |
269 | // reset the dangling pointer our parent window may keep to us | |
270 | if ( m_parent && m_parent->GetDefaultItem() == this ) | |
271 | { | |
272 | m_parent->SetDefaultItem(NULL); | |
273 | } | |
f03fc89f VZ |
274 | } |
275 | ||
276 | bool wxWindowBase::Destroy() | |
277 | { | |
278 | delete this; | |
279 | ||
280 | return TRUE; | |
281 | } | |
282 | ||
283 | bool wxWindowBase::Close(bool force) | |
284 | { | |
285 | wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId); | |
286 | event.SetEventObject(this); | |
287 | #if WXWIN_COMPATIBILITY | |
288 | event.SetForce(force); | |
289 | #endif // WXWIN_COMPATIBILITY | |
290 | event.SetCanVeto(!force); | |
291 | ||
292 | // return FALSE if window wasn't closed because the application vetoed the | |
293 | // close event | |
294 | return GetEventHandler()->ProcessEvent(event) && !event.GetVeto(); | |
295 | } | |
296 | ||
297 | bool wxWindowBase::DestroyChildren() | |
298 | { | |
299 | wxWindowList::Node *node; | |
a23fd0e1 | 300 | for ( ;; ) |
f03fc89f | 301 | { |
a23fd0e1 VZ |
302 | // we iterate until the list becomes empty |
303 | node = GetChildren().GetFirst(); | |
304 | if ( !node ) | |
305 | break; | |
306 | ||
f03fc89f | 307 | wxWindow *child = node->GetData(); |
a23fd0e1 | 308 | |
223d09f6 | 309 | wxASSERT_MSG( child, wxT("children list contains empty nodes") ); |
a23fd0e1 | 310 | |
1a77875b | 311 | child->Show(FALSE); |
eb082a08 | 312 | delete child; |
a23fd0e1 VZ |
313 | |
314 | wxASSERT_MSG( !GetChildren().Find(child), | |
223d09f6 | 315 | wxT("child didn't remove itself using RemoveChild()") ); |
f03fc89f VZ |
316 | } |
317 | ||
318 | return TRUE; | |
319 | } | |
320 | ||
321 | // ---------------------------------------------------------------------------- | |
f68586e5 | 322 | // size/position related methods |
f03fc89f VZ |
323 | // ---------------------------------------------------------------------------- |
324 | ||
325 | // centre the window with respect to its parent in either (or both) directions | |
326 | void wxWindowBase::Centre(int direction) | |
327 | { | |
f6bcfd97 BP |
328 | // the position/size of the parent window or of the entire screen |
329 | wxPoint posParent; | |
f03fc89f VZ |
330 | int widthParent, heightParent; |
331 | ||
f6bcfd97 BP |
332 | wxWindow *parent = NULL; |
333 | ||
334 | if ( !(direction & wxCENTRE_ON_SCREEN) ) | |
f03fc89f | 335 | { |
f6bcfd97 BP |
336 | // find the parent to centre this window on: it should be the |
337 | // immediate parent for the controls but the top level parent for the | |
338 | // top level windows (like dialogs) | |
339 | parent = GetParent(); | |
340 | if ( IsTopLevel() ) | |
341 | { | |
342 | while ( parent && !parent->IsTopLevel() ) | |
343 | { | |
344 | parent = parent->GetParent(); | |
345 | } | |
346 | } | |
347 | ||
348 | // did we find the parent? | |
349 | if ( !parent ) | |
350 | { | |
351 | // no other choice | |
352 | direction |= wxCENTRE_ON_SCREEN; | |
353 | } | |
f03fc89f | 354 | } |
10fcf31a VZ |
355 | |
356 | if ( direction & wxCENTRE_ON_SCREEN ) | |
f03fc89f VZ |
357 | { |
358 | // centre with respect to the whole screen | |
359 | wxDisplaySize(&widthParent, &heightParent); | |
360 | } | |
10fcf31a VZ |
361 | else |
362 | { | |
f6bcfd97 BP |
363 | if ( IsTopLevel() ) |
364 | { | |
365 | // centre on the parent | |
366 | parent->GetSize(&widthParent, &heightParent); | |
367 | ||
368 | // adjust to the parents position | |
369 | posParent = parent->GetPosition(); | |
370 | } | |
371 | else | |
372 | { | |
373 | // centre inside the parents client rectangle | |
374 | parent->GetClientSize(&widthParent, &heightParent); | |
375 | } | |
10fcf31a | 376 | } |
f03fc89f VZ |
377 | |
378 | int width, height; | |
379 | GetSize(&width, &height); | |
380 | ||
c39eda94 VZ |
381 | int xNew = -1, |
382 | yNew = -1; | |
f03fc89f VZ |
383 | |
384 | if ( direction & wxHORIZONTAL ) | |
c39eda94 | 385 | xNew = (widthParent - width)/2; |
f03fc89f VZ |
386 | |
387 | if ( direction & wxVERTICAL ) | |
c39eda94 | 388 | yNew = (heightParent - height)/2; |
f03fc89f | 389 | |
f6bcfd97 BP |
390 | xNew += posParent.x; |
391 | yNew += posParent.y; | |
7631a292 | 392 | |
ef397583 GT |
393 | // Base size of the visible dimensions of the display |
394 | // to take into account the taskbar | |
395 | wxRect rect = wxGetClientDisplayRect(); | |
396 | wxSize size (rect.width,rect.height); | |
397 | ||
398 | if (posParent.x >= 0) // if parent is on the main display | |
399 | { | |
400 | if (xNew < 0) | |
401 | xNew = 0; | |
402 | else if (xNew+width > size.x) | |
403 | xNew = size.x-width-1; | |
404 | } | |
405 | if (posParent.y >= 0) // if parent is on the main display | |
406 | { | |
407 | if (yNew+height > size.y) | |
408 | yNew = size.y-height-1; | |
409 | ||
410 | // Make certain that the title bar is initially visible | |
411 | // always, even if this would push the bottom of the | |
412 | // dialog of the visible area of the display | |
413 | if (yNew < 0) | |
414 | yNew = 0; | |
415 | } | |
416 | ||
0fff366e VZ |
417 | // move the window to this position (keeping the old size but using |
418 | // SetSize() and not Move() to allow xNew and/or yNew to be -1) | |
db89aa76 | 419 | SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE); |
7631a292 RD |
420 | } |
421 | ||
f03fc89f VZ |
422 | // fits the window around the children |
423 | void wxWindowBase::Fit() | |
424 | { | |
f68586e5 VZ |
425 | if ( GetChildren().GetCount() > 0 ) |
426 | { | |
ba81034d VZ |
427 | wxSize size = DoGetBestSize(); |
428 | ||
429 | // for compatibility with the old versions and because it really looks | |
430 | // slightly more pretty like this, add a pad | |
431 | size.x += 7; | |
432 | size.y += 14; | |
433 | ||
434 | SetClientSize(size); | |
f68586e5 VZ |
435 | } |
436 | //else: do nothing if we have no children | |
437 | } | |
f03fc89f | 438 | |
f68586e5 VZ |
439 | // return the size best suited for the current window |
440 | wxSize wxWindowBase::DoGetBestSize() const | |
441 | { | |
442 | if ( GetChildren().GetCount() > 0 ) | |
f03fc89f | 443 | { |
f68586e5 VZ |
444 | // our minimal acceptable size is such that all our windows fit inside |
445 | int maxX = 0, | |
446 | maxY = 0; | |
447 | ||
448 | for ( wxWindowList::Node *node = GetChildren().GetFirst(); | |
449 | node; | |
450 | node = node->GetNext() ) | |
42e69d6b | 451 | { |
f68586e5 | 452 | wxWindow *win = node->GetData(); |
1e6feb95 VZ |
453 | if ( win->IsTopLevel() |
454 | #if wxUSE_STATUSBAR | |
455 | || wxDynamicCast(win, wxStatusBar) | |
456 | #endif // wxUSE_STATUSBAR | |
457 | ) | |
f68586e5 VZ |
458 | { |
459 | // dialogs and frames lie in different top level windows - | |
7d9fd004 VZ |
460 | // don't deal with them here; as for the status bars, they |
461 | // don't lie in the client area at all | |
f68586e5 VZ |
462 | continue; |
463 | } | |
464 | ||
465 | int wx, wy, ww, wh; | |
466 | win->GetPosition(&wx, &wy); | |
3f5513f5 VZ |
467 | |
468 | // if the window hadn't been positioned yet, assume that it is in | |
469 | // the origin | |
470 | if ( wx == -1 ) | |
471 | wx = 0; | |
472 | if ( wy == -1 ) | |
473 | wy = 0; | |
474 | ||
f68586e5 VZ |
475 | win->GetSize(&ww, &wh); |
476 | if ( wx + ww > maxX ) | |
477 | maxX = wx + ww; | |
478 | if ( wy + wh > maxY ) | |
479 | maxY = wy + wh; | |
42e69d6b VZ |
480 | } |
481 | ||
ba81034d | 482 | return wxSize(maxX, maxY); |
f68586e5 VZ |
483 | } |
484 | else | |
485 | { | |
486 | // for a generic window there is no natural best size - just use the | |
487 | // current one | |
488 | return GetSize(); | |
f03fc89f | 489 | } |
f03fc89f VZ |
490 | } |
491 | ||
1e6feb95 VZ |
492 | // by default the origin is not shifted |
493 | wxPoint wxWindowBase::GetClientAreaOrigin() const | |
494 | { | |
495 | return wxPoint(0, 0); | |
496 | } | |
497 | ||
f03fc89f | 498 | // set the min/max size of the window |
f03fc89f VZ |
499 | void wxWindowBase::SetSizeHints(int minW, int minH, |
500 | int maxW, int maxH, | |
501 | int WXUNUSED(incW), int WXUNUSED(incH)) | |
502 | { | |
503 | m_minWidth = minW; | |
504 | m_maxWidth = maxW; | |
505 | m_minHeight = minH; | |
506 | m_maxHeight = maxH; | |
507 | } | |
508 | ||
509 | // ---------------------------------------------------------------------------- | |
510 | // show/hide/enable/disable the window | |
511 | // ---------------------------------------------------------------------------- | |
512 | ||
513 | bool wxWindowBase::Show(bool show) | |
514 | { | |
515 | if ( show != m_isShown ) | |
516 | { | |
517 | m_isShown = show; | |
518 | ||
519 | return TRUE; | |
520 | } | |
521 | else | |
522 | { | |
523 | return FALSE; | |
524 | } | |
525 | } | |
526 | ||
527 | bool wxWindowBase::Enable(bool enable) | |
528 | { | |
529 | if ( enable != m_isEnabled ) | |
530 | { | |
531 | m_isEnabled = enable; | |
532 | ||
533 | return TRUE; | |
534 | } | |
535 | else | |
536 | { | |
537 | return FALSE; | |
538 | } | |
539 | } | |
34636400 VZ |
540 | // ---------------------------------------------------------------------------- |
541 | // RTTI | |
542 | // ---------------------------------------------------------------------------- | |
543 | ||
544 | bool wxWindowBase::IsTopLevel() const | |
545 | { | |
8487f887 | 546 | return FALSE; |
34636400 | 547 | } |
f03fc89f VZ |
548 | |
549 | // ---------------------------------------------------------------------------- | |
550 | // reparenting the window | |
551 | // ---------------------------------------------------------------------------- | |
552 | ||
553 | void wxWindowBase::AddChild(wxWindowBase *child) | |
554 | { | |
223d09f6 | 555 | wxCHECK_RET( child, wxT("can't add a NULL child") ); |
f03fc89f | 556 | |
f6bcfd97 BP |
557 | // this should never happen and it will lead to a crash later if it does |
558 | // because RemoveChild() will remove only one node from the children list | |
559 | // and the other(s) one(s) will be left with dangling pointers in them | |
560 | wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") ); | |
561 | ||
f03fc89f VZ |
562 | GetChildren().Append(child); |
563 | child->SetParent(this); | |
564 | } | |
565 | ||
566 | void wxWindowBase::RemoveChild(wxWindowBase *child) | |
567 | { | |
223d09f6 | 568 | wxCHECK_RET( child, wxT("can't remove a NULL child") ); |
f03fc89f VZ |
569 | |
570 | GetChildren().DeleteObject(child); | |
571 | child->SetParent((wxWindow *)NULL); | |
572 | } | |
439b3bf1 | 573 | |
f03fc89f VZ |
574 | bool wxWindowBase::Reparent(wxWindowBase *newParent) |
575 | { | |
576 | wxWindow *oldParent = GetParent(); | |
577 | if ( newParent == oldParent ) | |
578 | { | |
579 | // nothing done | |
580 | return FALSE; | |
581 | } | |
582 | ||
583 | // unlink this window from the existing parent. | |
584 | if ( oldParent ) | |
585 | { | |
586 | oldParent->RemoveChild(this); | |
587 | } | |
588 | else | |
589 | { | |
590 | wxTopLevelWindows.DeleteObject(this); | |
591 | } | |
592 | ||
593 | // add it to the new one | |
594 | if ( newParent ) | |
595 | { | |
596 | newParent->AddChild(this); | |
597 | } | |
598 | else | |
599 | { | |
600 | wxTopLevelWindows.Append(this); | |
601 | } | |
602 | ||
603 | return TRUE; | |
604 | } | |
605 | ||
606 | // ---------------------------------------------------------------------------- | |
607 | // event handler stuff | |
608 | // ---------------------------------------------------------------------------- | |
609 | ||
610 | void wxWindowBase::PushEventHandler(wxEvtHandler *handler) | |
611 | { | |
612 | handler->SetNextHandler(GetEventHandler()); | |
613 | SetEventHandler(handler); | |
614 | } | |
615 | ||
616 | wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) | |
617 | { | |
618 | wxEvtHandler *handlerA = GetEventHandler(); | |
619 | if ( handlerA ) | |
620 | { | |
621 | wxEvtHandler *handlerB = handlerA->GetNextHandler(); | |
622 | handlerA->SetNextHandler((wxEvtHandler *)NULL); | |
623 | SetEventHandler(handlerB); | |
624 | if ( deleteHandler ) | |
625 | { | |
626 | delete handlerA; | |
627 | handlerA = (wxEvtHandler *)NULL; | |
628 | } | |
629 | } | |
630 | ||
631 | return handlerA; | |
632 | } | |
633 | ||
634 | // ---------------------------------------------------------------------------- | |
635 | // cursors, fonts &c | |
636 | // ---------------------------------------------------------------------------- | |
637 | ||
638 | bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) | |
639 | { | |
640 | if ( !colour.Ok() || (colour == m_backgroundColour) ) | |
641 | return FALSE; | |
642 | ||
643 | m_backgroundColour = colour; | |
644 | ||
23895080 VZ |
645 | m_hasBgCol = TRUE; |
646 | ||
f03fc89f VZ |
647 | return TRUE; |
648 | } | |
649 | ||
650 | bool wxWindowBase::SetForegroundColour( const wxColour &colour ) | |
651 | { | |
652 | if ( !colour.Ok() || (colour == m_foregroundColour) ) | |
653 | return FALSE; | |
654 | ||
655 | m_foregroundColour = colour; | |
656 | ||
23895080 VZ |
657 | m_hasFgCol = TRUE; |
658 | ||
f03fc89f VZ |
659 | return TRUE; |
660 | } | |
661 | ||
662 | bool wxWindowBase::SetCursor(const wxCursor& cursor) | |
663 | { | |
8a9c2246 VZ |
664 | // setting an invalid cursor is ok, it means that we don't have any special |
665 | // cursor | |
13588544 | 666 | if ( m_cursor == cursor ) |
f03fc89f VZ |
667 | { |
668 | // no change | |
669 | return FALSE; | |
670 | } | |
671 | ||
8a9c2246 | 672 | m_cursor = cursor; |
f03fc89f VZ |
673 | |
674 | return TRUE; | |
675 | } | |
676 | ||
677 | bool wxWindowBase::SetFont(const wxFont& font) | |
678 | { | |
679 | // don't try to set invalid font, always fall back to the default | |
680 | const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; | |
681 | ||
8bf30fe9 | 682 | if ( fontOk == m_font ) |
f03fc89f VZ |
683 | { |
684 | // no change | |
685 | return FALSE; | |
686 | } | |
687 | ||
688 | m_font = fontOk; | |
689 | ||
23895080 VZ |
690 | m_hasFont = TRUE; |
691 | ||
f03fc89f VZ |
692 | return TRUE; |
693 | } | |
694 | ||
789295bf VZ |
695 | #if wxUSE_CARET |
696 | void wxWindowBase::SetCaret(wxCaret *caret) | |
697 | { | |
698 | if ( m_caret ) | |
699 | { | |
700 | delete m_caret; | |
701 | } | |
702 | ||
703 | m_caret = caret; | |
704 | ||
705 | if ( m_caret ) | |
706 | { | |
707 | wxASSERT_MSG( m_caret->GetWindow() == this, | |
223d09f6 | 708 | wxT("caret should be created associated to this window") ); |
789295bf VZ |
709 | } |
710 | } | |
711 | #endif // wxUSE_CARET | |
712 | ||
88ac883a | 713 | #if wxUSE_VALIDATORS |
f03fc89f VZ |
714 | // ---------------------------------------------------------------------------- |
715 | // validators | |
716 | // ---------------------------------------------------------------------------- | |
717 | ||
718 | void wxWindowBase::SetValidator(const wxValidator& validator) | |
719 | { | |
720 | if ( m_windowValidator ) | |
721 | delete m_windowValidator; | |
722 | ||
723 | m_windowValidator = (wxValidator *)validator.Clone(); | |
724 | ||
725 | if ( m_windowValidator ) | |
726 | m_windowValidator->SetWindow(this) ; | |
727 | } | |
88ac883a | 728 | #endif // wxUSE_VALIDATORS |
f03fc89f VZ |
729 | |
730 | // ---------------------------------------------------------------------------- | |
1e6feb95 | 731 | // update region stuff |
f03fc89f VZ |
732 | // ---------------------------------------------------------------------------- |
733 | ||
1e6feb95 VZ |
734 | wxRect wxWindowBase::GetUpdateClientRect() const |
735 | { | |
736 | wxRegion rgnUpdate = GetUpdateRegion(); | |
737 | rgnUpdate.Intersect(GetClientRect()); | |
738 | wxRect rectUpdate = rgnUpdate.GetBox(); | |
739 | wxPoint ptOrigin = GetClientAreaOrigin(); | |
740 | rectUpdate.x -= ptOrigin.x; | |
741 | rectUpdate.y -= ptOrigin.y; | |
742 | ||
743 | return rectUpdate; | |
744 | } | |
745 | ||
f03fc89f VZ |
746 | bool wxWindowBase::IsExposed(int x, int y) const |
747 | { | |
748 | return m_updateRegion.Contains(x, y) != wxOutRegion; | |
749 | } | |
750 | ||
751 | bool wxWindowBase::IsExposed(int x, int y, int w, int h) const | |
752 | { | |
753 | return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; | |
754 | } | |
755 | ||
756 | // ---------------------------------------------------------------------------- | |
757 | // find window by id or name | |
758 | // ---------------------------------------------------------------------------- | |
759 | ||
760 | wxWindow *wxWindowBase::FindWindow( long id ) | |
761 | { | |
762 | if ( id == m_windowId ) | |
763 | return (wxWindow *)this; | |
764 | ||
765 | wxWindowBase *res = (wxWindow *)NULL; | |
766 | wxWindowList::Node *node; | |
767 | for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) | |
768 | { | |
769 | wxWindowBase *child = node->GetData(); | |
770 | res = child->FindWindow( id ); | |
771 | } | |
772 | ||
773 | return (wxWindow *)res; | |
774 | } | |
775 | ||
776 | wxWindow *wxWindowBase::FindWindow( const wxString& name ) | |
777 | { | |
778 | if ( name == m_windowName ) | |
779 | return (wxWindow *)this; | |
780 | ||
781 | wxWindowBase *res = (wxWindow *)NULL; | |
782 | wxWindowList::Node *node; | |
783 | for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) | |
784 | { | |
785 | wxWindow *child = node->GetData(); | |
786 | res = child->FindWindow(name); | |
787 | } | |
788 | ||
789 | return (wxWindow *)res; | |
790 | } | |
791 | ||
792 | // ---------------------------------------------------------------------------- | |
793 | // dialog oriented functions | |
794 | // ---------------------------------------------------------------------------- | |
795 | ||
34636400 | 796 | void wxWindowBase::MakeModal(bool modal) |
f03fc89f | 797 | { |
34636400 VZ |
798 | // Disable all other windows |
799 | if ( IsTopLevel() ) | |
800 | { | |
801 | wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); | |
802 | while (node) | |
803 | { | |
804 | wxWindow *win = node->GetData(); | |
805 | if (win != this) | |
806 | win->Enable(!modal); | |
807 | ||
808 | node = node->GetNext(); | |
809 | } | |
810 | } | |
f03fc89f VZ |
811 | } |
812 | ||
813 | bool wxWindowBase::Validate() | |
814 | { | |
88ac883a | 815 | #if wxUSE_VALIDATORS |
d80cd92a VZ |
816 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; |
817 | ||
f03fc89f VZ |
818 | wxWindowList::Node *node; |
819 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
820 | { | |
821 | wxWindowBase *child = node->GetData(); | |
822 | wxValidator *validator = child->GetValidator(); | |
dcd6b914 | 823 | if ( validator && !validator->Validate((wxWindow *)this) ) |
f03fc89f VZ |
824 | { |
825 | return FALSE; | |
826 | } | |
d80cd92a VZ |
827 | |
828 | if ( recurse && !child->Validate() ) | |
829 | { | |
830 | return FALSE; | |
831 | } | |
f03fc89f | 832 | } |
88ac883a | 833 | #endif // wxUSE_VALIDATORS |
f03fc89f VZ |
834 | |
835 | return TRUE; | |
836 | } | |
837 | ||
838 | bool wxWindowBase::TransferDataToWindow() | |
839 | { | |
88ac883a | 840 | #if wxUSE_VALIDATORS |
d80cd92a VZ |
841 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; |
842 | ||
f03fc89f VZ |
843 | wxWindowList::Node *node; |
844 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
845 | { | |
846 | wxWindowBase *child = node->GetData(); | |
847 | wxValidator *validator = child->GetValidator(); | |
848 | if ( validator && !validator->TransferToWindow() ) | |
849 | { | |
d80cd92a VZ |
850 | wxLogWarning(_("Could not transfer data to window")); |
851 | wxLog::FlushActive(); | |
f03fc89f VZ |
852 | |
853 | return FALSE; | |
854 | } | |
d80cd92a VZ |
855 | |
856 | if ( recurse ) | |
857 | { | |
a58a12e9 | 858 | if ( !child->TransferDataToWindow() ) |
d80cd92a VZ |
859 | { |
860 | // warning already given | |
861 | return FALSE; | |
862 | } | |
863 | } | |
f03fc89f | 864 | } |
88ac883a | 865 | #endif // wxUSE_VALIDATORS |
f03fc89f VZ |
866 | |
867 | return TRUE; | |
868 | } | |
869 | ||
870 | bool wxWindowBase::TransferDataFromWindow() | |
871 | { | |
88ac883a | 872 | #if wxUSE_VALIDATORS |
d80cd92a VZ |
873 | bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; |
874 | ||
f03fc89f VZ |
875 | wxWindowList::Node *node; |
876 | for ( node = m_children.GetFirst(); node; node = node->GetNext() ) | |
877 | { | |
878 | wxWindow *child = node->GetData(); | |
d80cd92a VZ |
879 | wxValidator *validator = child->GetValidator(); |
880 | if ( validator && !validator->TransferFromWindow() ) | |
f03fc89f | 881 | { |
d80cd92a VZ |
882 | // nop warning here because the application is supposed to give |
883 | // one itself - we don't know here what might have gone wrongly | |
884 | ||
f03fc89f VZ |
885 | return FALSE; |
886 | } | |
d80cd92a VZ |
887 | |
888 | if ( recurse ) | |
889 | { | |
a58a12e9 | 890 | if ( !child->TransferDataFromWindow() ) |
d80cd92a VZ |
891 | { |
892 | // warning already given | |
893 | return FALSE; | |
894 | } | |
895 | } | |
f03fc89f | 896 | } |
88ac883a | 897 | #endif // wxUSE_VALIDATORS |
f03fc89f VZ |
898 | |
899 | return TRUE; | |
900 | } | |
901 | ||
902 | void wxWindowBase::InitDialog() | |
903 | { | |
904 | wxInitDialogEvent event(GetId()); | |
905 | event.SetEventObject( this ); | |
906 | GetEventHandler()->ProcessEvent(event); | |
907 | } | |
908 | ||
909 | // ---------------------------------------------------------------------------- | |
bd83cb56 VZ |
910 | // context-sensitive help support |
911 | // ---------------------------------------------------------------------------- | |
912 | ||
913 | #if wxUSE_HELP | |
914 | ||
915 | // associate this help text with this window | |
916 | void wxWindowBase::SetHelpText(const wxString& text) | |
917 | { | |
918 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
919 | if ( helpProvider ) | |
920 | { | |
921 | helpProvider->AddHelp(this, text); | |
922 | } | |
923 | } | |
924 | ||
925 | // associate this help text with all windows with the same id as this | |
926 | // one | |
927 | void wxWindowBase::SetHelpTextForId(const wxString& text) | |
928 | { | |
929 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
930 | if ( helpProvider ) | |
931 | { | |
932 | helpProvider->AddHelp(GetId(), text); | |
933 | } | |
934 | } | |
935 | ||
936 | // get the help string associated with this window (may be empty) | |
937 | wxString wxWindowBase::GetHelpText() const | |
938 | { | |
939 | wxString text; | |
940 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
941 | if ( helpProvider ) | |
942 | { | |
943 | text = helpProvider->GetHelp(this); | |
944 | } | |
945 | ||
946 | return text; | |
947 | } | |
948 | ||
949 | // show help for this window | |
950 | void wxWindowBase::OnHelp(wxHelpEvent& event) | |
951 | { | |
952 | wxHelpProvider *helpProvider = wxHelpProvider::Get(); | |
953 | if ( helpProvider ) | |
954 | { | |
955 | if ( helpProvider->ShowHelp(this) ) | |
956 | { | |
957 | // skip the event.Skip() below | |
958 | return; | |
959 | } | |
960 | } | |
961 | ||
962 | event.Skip(); | |
963 | } | |
964 | ||
965 | #endif // wxUSE_HELP | |
966 | ||
967 | // ---------------------------------------------------------------------------- | |
f03fc89f VZ |
968 | // tooltips |
969 | // ---------------------------------------------------------------------------- | |
970 | ||
971 | #if wxUSE_TOOLTIPS | |
972 | ||
973 | void wxWindowBase::SetToolTip( const wxString &tip ) | |
974 | { | |
975 | // don't create the new tooltip if we already have one | |
976 | if ( m_tooltip ) | |
977 | { | |
978 | m_tooltip->SetTip( tip ); | |
979 | } | |
980 | else | |
981 | { | |
982 | SetToolTip( new wxToolTip( tip ) ); | |
983 | } | |
984 | ||
985 | // setting empty tooltip text does not remove the tooltip any more - use | |
986 | // SetToolTip((wxToolTip *)NULL) for this | |
987 | } | |
988 | ||
989 | void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) | |
990 | { | |
991 | if ( m_tooltip ) | |
992 | delete m_tooltip; | |
993 | ||
994 | m_tooltip = tooltip; | |
995 | } | |
996 | ||
997 | #endif // wxUSE_TOOLTIPS | |
998 | ||
999 | // ---------------------------------------------------------------------------- | |
1000 | // constraints and sizers | |
1001 | // ---------------------------------------------------------------------------- | |
1002 | ||
1003 | #if wxUSE_CONSTRAINTS | |
1004 | ||
1005 | void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints ) | |
1006 | { | |
1007 | if ( m_constraints ) | |
1008 | { | |
1009 | UnsetConstraints(m_constraints); | |
1010 | delete m_constraints; | |
1011 | } | |
1012 | m_constraints = constraints; | |
1013 | if ( m_constraints ) | |
1014 | { | |
1015 | // Make sure other windows know they're part of a 'meaningful relationship' | |
1016 | if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) ) | |
1017 | m_constraints->left.GetOtherWindow()->AddConstraintReference(this); | |
1018 | if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) ) | |
1019 | m_constraints->top.GetOtherWindow()->AddConstraintReference(this); | |
1020 | if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) ) | |
1021 | m_constraints->right.GetOtherWindow()->AddConstraintReference(this); | |
1022 | if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) ) | |
1023 | m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this); | |
1024 | if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) ) | |
1025 | m_constraints->width.GetOtherWindow()->AddConstraintReference(this); | |
1026 | if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) ) | |
1027 | m_constraints->height.GetOtherWindow()->AddConstraintReference(this); | |
1028 | if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) ) | |
1029 | m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this); | |
1030 | if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) ) | |
1031 | m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | // This removes any dangling pointers to this window in other windows' | |
1036 | // constraintsInvolvedIn lists. | |
1037 | void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c) | |
1038 | { | |
1039 | if ( c ) | |
1040 | { | |
1041 | if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) | |
1042 | c->left.GetOtherWindow()->RemoveConstraintReference(this); | |
1043 | if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) | |
1044 | c->top.GetOtherWindow()->RemoveConstraintReference(this); | |
1045 | if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) ) | |
1046 | c->right.GetOtherWindow()->RemoveConstraintReference(this); | |
1047 | if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) ) | |
1048 | c->bottom.GetOtherWindow()->RemoveConstraintReference(this); | |
1049 | if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) ) | |
1050 | c->width.GetOtherWindow()->RemoveConstraintReference(this); | |
1051 | if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) ) | |
1052 | c->height.GetOtherWindow()->RemoveConstraintReference(this); | |
1053 | if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) ) | |
1054 | c->centreX.GetOtherWindow()->RemoveConstraintReference(this); | |
1055 | if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) ) | |
1056 | c->centreY.GetOtherWindow()->RemoveConstraintReference(this); | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | // Back-pointer to other windows we're involved with, so if we delete this | |
1061 | // window, we must delete any constraints we're involved with. | |
1062 | void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin) | |
1063 | { | |
1064 | if ( !m_constraintsInvolvedIn ) | |
1065 | m_constraintsInvolvedIn = new wxWindowList; | |
1066 | if ( !m_constraintsInvolvedIn->Find(otherWin) ) | |
1067 | m_constraintsInvolvedIn->Append(otherWin); | |
1068 | } | |
1069 | ||
1070 | // REMOVE back-pointer to other windows we're involved with. | |
1071 | void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) | |
1072 | { | |
1073 | if ( m_constraintsInvolvedIn ) | |
1074 | m_constraintsInvolvedIn->DeleteObject(otherWin); | |
1075 | } | |
1076 | ||
1077 | // Reset any constraints that mention this window | |
1078 | void wxWindowBase::DeleteRelatedConstraints() | |
1079 | { | |
1080 | if ( m_constraintsInvolvedIn ) | |
1081 | { | |
1082 | wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst(); | |
1083 | while (node) | |
1084 | { | |
1085 | wxWindow *win = node->GetData(); | |
1086 | wxLayoutConstraints *constr = win->GetConstraints(); | |
1087 | ||
1088 | // Reset any constraints involving this window | |
1089 | if ( constr ) | |
1090 | { | |
1091 | constr->left.ResetIfWin(this); | |
1092 | constr->top.ResetIfWin(this); | |
1093 | constr->right.ResetIfWin(this); | |
1094 | constr->bottom.ResetIfWin(this); | |
1095 | constr->width.ResetIfWin(this); | |
1096 | constr->height.ResetIfWin(this); | |
1097 | constr->centreX.ResetIfWin(this); | |
1098 | constr->centreY.ResetIfWin(this); | |
1099 | } | |
1100 | ||
1101 | wxWindowList::Node *next = node->GetNext(); | |
1102 | delete node; | |
1103 | node = next; | |
1104 | } | |
1105 | ||
1106 | delete m_constraintsInvolvedIn; | |
1107 | m_constraintsInvolvedIn = (wxWindowList *) NULL; | |
1108 | } | |
1109 | } | |
1110 | ||
1111 | void wxWindowBase::SetSizer(wxSizer *sizer) | |
1112 | { | |
3417c2cd RR |
1113 | if (m_windowSizer) delete m_windowSizer; |
1114 | ||
f03fc89f | 1115 | m_windowSizer = sizer; |
f03fc89f VZ |
1116 | } |
1117 | ||
1118 | bool wxWindowBase::Layout() | |
1119 | { | |
3417c2cd | 1120 | // If there is a sizer, use it instead of the constraints |
f03fc89f VZ |
1121 | if ( GetSizer() ) |
1122 | { | |
f1df0927 VZ |
1123 | int w, h; |
1124 | GetClientSize(&w, &h); | |
1125 | ||
3417c2cd | 1126 | GetSizer()->SetDimension( 0, 0, w, h ); |
f03fc89f | 1127 | } |
f1df0927 | 1128 | else |
f03fc89f | 1129 | { |
4b7f2165 VZ |
1130 | wxLayoutConstraints *constr = GetConstraints(); |
1131 | bool wasOk = constr && constr->AreSatisfied(); | |
1132 | ||
f1df0927 | 1133 | ResetConstraints(); // Mark all constraints as unevaluated |
4b7f2165 VZ |
1134 | |
1135 | // if we're a top level panel (i.e. our parent is frame/dialog), our | |
1136 | // own constraints will never be satisfied any more unless we do it | |
1137 | // here | |
1138 | if ( wasOk ) | |
1139 | { | |
1140 | int noChanges = 1; | |
1141 | while ( noChanges > 0 ) | |
1142 | { | |
1143 | constr->SatisfyConstraints(this, &noChanges); | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | DoPhase(1); // Layout children | |
1148 | DoPhase(2); // Layout grand children | |
f1df0927 | 1149 | SetConstraintSizes(); // Recursively set the real window sizes |
f03fc89f | 1150 | } |
5d4b632b | 1151 | |
f03fc89f VZ |
1152 | return TRUE; |
1153 | } | |
1154 | ||
1155 | ||
1156 | // Do a phase of evaluating constraints: the default behaviour. wxSizers may | |
1157 | // do a similar thing, but also impose their own 'constraints' and order the | |
1158 | // evaluation differently. | |
1159 | bool wxWindowBase::LayoutPhase1(int *noChanges) | |
1160 | { | |
1161 | wxLayoutConstraints *constr = GetConstraints(); | |
1162 | if ( constr ) | |
1163 | { | |
1164 | return constr->SatisfyConstraints(this, noChanges); | |
1165 | } | |
1166 | else | |
1167 | return TRUE; | |
1168 | } | |
1169 | ||
1170 | bool wxWindowBase::LayoutPhase2(int *noChanges) | |
1171 | { | |
1172 | *noChanges = 0; | |
1173 | ||
1174 | // Layout children | |
1175 | DoPhase(1); | |
1176 | DoPhase(2); | |
1177 | return TRUE; | |
1178 | } | |
1179 | ||
1180 | // Do a phase of evaluating child constraints | |
1181 | bool wxWindowBase::DoPhase(int phase) | |
1182 | { | |
1183 | int noIterations = 0; | |
1184 | int maxIterations = 500; | |
1185 | int noChanges = 1; | |
1186 | int noFailures = 0; | |
1187 | wxWindowList succeeded; | |
1188 | while ((noChanges > 0) && (noIterations < maxIterations)) | |
1189 | { | |
1190 | noChanges = 0; | |
1191 | noFailures = 0; | |
1192 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1193 | while (node) | |
1194 | { | |
1195 | wxWindow *child = node->GetData(); | |
34636400 | 1196 | if ( !child->IsTopLevel() ) |
f03fc89f VZ |
1197 | { |
1198 | wxLayoutConstraints *constr = child->GetConstraints(); | |
1199 | if ( constr ) | |
1200 | { | |
1201 | if ( !succeeded.Find(child) ) | |
1202 | { | |
1203 | int tempNoChanges = 0; | |
1204 | bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; | |
1205 | noChanges += tempNoChanges; | |
1206 | if ( success ) | |
1207 | { | |
1208 | succeeded.Append(child); | |
1209 | } | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | node = node->GetNext(); | |
1214 | } | |
1215 | ||
1216 | noIterations++; | |
1217 | } | |
1218 | ||
1219 | return TRUE; | |
1220 | } | |
1221 | ||
1222 | void wxWindowBase::ResetConstraints() | |
1223 | { | |
1224 | wxLayoutConstraints *constr = GetConstraints(); | |
1225 | if ( constr ) | |
1226 | { | |
1227 | constr->left.SetDone(FALSE); | |
1228 | constr->top.SetDone(FALSE); | |
1229 | constr->right.SetDone(FALSE); | |
1230 | constr->bottom.SetDone(FALSE); | |
1231 | constr->width.SetDone(FALSE); | |
1232 | constr->height.SetDone(FALSE); | |
1233 | constr->centreX.SetDone(FALSE); | |
1234 | constr->centreY.SetDone(FALSE); | |
1235 | } | |
f1df0927 | 1236 | |
f03fc89f VZ |
1237 | wxWindowList::Node *node = GetChildren().GetFirst(); |
1238 | while (node) | |
1239 | { | |
1240 | wxWindow *win = node->GetData(); | |
34636400 | 1241 | if ( !win->IsTopLevel() ) |
f03fc89f VZ |
1242 | win->ResetConstraints(); |
1243 | node = node->GetNext(); | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | // Need to distinguish between setting the 'fake' size for windows and sizers, | |
1248 | // and setting the real values. | |
1249 | void wxWindowBase::SetConstraintSizes(bool recurse) | |
1250 | { | |
1251 | wxLayoutConstraints *constr = GetConstraints(); | |
4b7f2165 | 1252 | if ( constr && constr->AreSatisfied() ) |
f03fc89f VZ |
1253 | { |
1254 | int x = constr->left.GetValue(); | |
1255 | int y = constr->top.GetValue(); | |
1256 | int w = constr->width.GetValue(); | |
1257 | int h = constr->height.GetValue(); | |
1258 | ||
f03fc89f | 1259 | if ( (constr->width.GetRelationship() != wxAsIs ) || |
3417c2cd | 1260 | (constr->height.GetRelationship() != wxAsIs) ) |
f03fc89f | 1261 | { |
3417c2cd | 1262 | SetSize(x, y, w, h); |
f03fc89f VZ |
1263 | } |
1264 | else | |
1265 | { | |
3417c2cd RR |
1266 | // If we don't want to resize this window, just move it... |
1267 | Move(x, y); | |
f03fc89f VZ |
1268 | } |
1269 | } | |
1270 | else if ( constr ) | |
1271 | { | |
4b7f2165 | 1272 | wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."), |
f1df0927 | 1273 | GetClassInfo()->GetClassName(), |
4b7f2165 | 1274 | GetName().c_str()); |
f03fc89f VZ |
1275 | } |
1276 | ||
1277 | if ( recurse ) | |
1278 | { | |
1279 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1280 | while (node) | |
1281 | { | |
1282 | wxWindow *win = node->GetData(); | |
e2f9212c | 1283 | if ( !win->IsTopLevel() && win->GetConstraints() ) |
f03fc89f VZ |
1284 | win->SetConstraintSizes(); |
1285 | node = node->GetNext(); | |
1286 | } | |
1287 | } | |
1288 | } | |
1289 | ||
f03fc89f VZ |
1290 | // Only set the size/position of the constraint (if any) |
1291 | void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) | |
1292 | { | |
1293 | wxLayoutConstraints *constr = GetConstraints(); | |
1294 | if ( constr ) | |
1295 | { | |
1296 | if ( x != -1 ) | |
1297 | { | |
1298 | constr->left.SetValue(x); | |
1299 | constr->left.SetDone(TRUE); | |
1300 | } | |
1301 | if ( y != -1 ) | |
1302 | { | |
1303 | constr->top.SetValue(y); | |
1304 | constr->top.SetDone(TRUE); | |
1305 | } | |
1306 | if ( w != -1 ) | |
1307 | { | |
1308 | constr->width.SetValue(w); | |
1309 | constr->width.SetDone(TRUE); | |
1310 | } | |
1311 | if ( h != -1 ) | |
1312 | { | |
1313 | constr->height.SetValue(h); | |
1314 | constr->height.SetDone(TRUE); | |
1315 | } | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | void wxWindowBase::MoveConstraint(int x, int y) | |
1320 | { | |
1321 | wxLayoutConstraints *constr = GetConstraints(); | |
1322 | if ( constr ) | |
1323 | { | |
1324 | if ( x != -1 ) | |
1325 | { | |
1326 | constr->left.SetValue(x); | |
1327 | constr->left.SetDone(TRUE); | |
1328 | } | |
1329 | if ( y != -1 ) | |
1330 | { | |
1331 | constr->top.SetValue(y); | |
1332 | constr->top.SetDone(TRUE); | |
1333 | } | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | void wxWindowBase::GetSizeConstraint(int *w, int *h) const | |
1338 | { | |
1339 | wxLayoutConstraints *constr = GetConstraints(); | |
1340 | if ( constr ) | |
1341 | { | |
1342 | *w = constr->width.GetValue(); | |
1343 | *h = constr->height.GetValue(); | |
1344 | } | |
1345 | else | |
1346 | GetSize(w, h); | |
1347 | } | |
1348 | ||
1349 | void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const | |
1350 | { | |
1351 | wxLayoutConstraints *constr = GetConstraints(); | |
1352 | if ( constr ) | |
1353 | { | |
1354 | *w = constr->width.GetValue(); | |
1355 | *h = constr->height.GetValue(); | |
1356 | } | |
1357 | else | |
1358 | GetClientSize(w, h); | |
1359 | } | |
1360 | ||
a200c35e VS |
1361 | void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) |
1362 | { | |
1363 | // don't do it for the dialogs/frames - they float independently of their | |
1364 | // parent | |
1365 | if ( !IsTopLevel() ) | |
1366 | { | |
1367 | wxWindow *parent = GetParent(); | |
1368 | if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent ) | |
1369 | { | |
1370 | wxPoint pt(parent->GetClientAreaOrigin()); | |
1371 | x += pt.x; | |
1372 | y += pt.y; | |
1373 | } | |
1374 | } | |
1375 | } | |
1376 | ||
1377 | ||
f03fc89f VZ |
1378 | void wxWindowBase::GetPositionConstraint(int *x, int *y) const |
1379 | { | |
1380 | wxLayoutConstraints *constr = GetConstraints(); | |
1381 | if ( constr ) | |
1382 | { | |
1383 | *x = constr->left.GetValue(); | |
1384 | *y = constr->top.GetValue(); | |
1385 | } | |
1386 | else | |
1387 | GetPosition(x, y); | |
1388 | } | |
1389 | ||
1390 | #endif // wxUSE_CONSTRAINTS | |
1391 | ||
1392 | // ---------------------------------------------------------------------------- | |
1393 | // do Update UI processing for child controls | |
1394 | // ---------------------------------------------------------------------------- | |
7ec1983b VZ |
1395 | |
1396 | // TODO: should this be implemented for the child window rather | |
1397 | // than the parent? Then you can override it e.g. for wxCheckBox | |
1398 | // to do the Right Thing rather than having to assume a fixed number | |
1399 | // of control classes. | |
f03fc89f | 1400 | void wxWindowBase::UpdateWindowUI() |
7ec1983b | 1401 | { |
1e6feb95 | 1402 | #if wxUSE_CONTROLS |
26bf1ce0 VZ |
1403 | wxUpdateUIEvent event(GetId()); |
1404 | event.m_eventObject = this; | |
1405 | ||
1406 | if ( GetEventHandler()->ProcessEvent(event) ) | |
7ec1983b | 1407 | { |
26bf1ce0 VZ |
1408 | if ( event.GetSetEnabled() ) |
1409 | Enable(event.GetEnabled()); | |
7ec1983b | 1410 | |
26bf1ce0 | 1411 | if ( event.GetSetText() ) |
f03fc89f | 1412 | { |
f7637829 | 1413 | wxControl *control = wxDynamicCastThis(wxControl); |
26bf1ce0 | 1414 | if ( control ) |
34636400 | 1415 | { |
1e6feb95 | 1416 | #if wxUSE_TEXTCTRL |
26bf1ce0 VZ |
1417 | wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); |
1418 | if ( text ) | |
1419 | text->SetValue(event.GetText()); | |
1420 | else | |
1e6feb95 | 1421 | #endif // wxUSE_TEXTCTRL |
34636400 VZ |
1422 | control->SetLabel(event.GetText()); |
1423 | } | |
26bf1ce0 | 1424 | } |
f03fc89f | 1425 | |
88ac883a | 1426 | #if wxUSE_CHECKBOX |
f7637829 | 1427 | wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox); |
26bf1ce0 VZ |
1428 | if ( checkbox ) |
1429 | { | |
1430 | if ( event.GetSetChecked() ) | |
1431 | checkbox->SetValue(event.GetChecked()); | |
1432 | } | |
88ac883a VZ |
1433 | #endif // wxUSE_CHECKBOX |
1434 | ||
b3402d0d | 1435 | #if wxUSE_RADIOBTN |
f7637829 | 1436 | wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton); |
26bf1ce0 VZ |
1437 | if ( radiobtn ) |
1438 | { | |
1439 | if ( event.GetSetChecked() ) | |
1440 | radiobtn->SetValue(event.GetChecked()); | |
f03fc89f | 1441 | } |
b3402d0d | 1442 | #endif // wxUSE_RADIOBTN |
7ec1983b | 1443 | } |
1e6feb95 | 1444 | #endif // wxUSE_CONTROLS |
7ec1983b | 1445 | } |
fd71308f | 1446 | |
f03fc89f VZ |
1447 | // ---------------------------------------------------------------------------- |
1448 | // dialog units translations | |
1449 | // ---------------------------------------------------------------------------- | |
1450 | ||
1451 | wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) | |
fd71308f JS |
1452 | { |
1453 | int charWidth = GetCharWidth(); | |
1454 | int charHeight = GetCharHeight(); | |
5d9c2818 RD |
1455 | wxPoint pt2(-1, -1); |
1456 | if (pt.x != -1) | |
1457 | pt2.x = (int) ((pt.x * 4) / charWidth) ; | |
1458 | if (pt.y != -1) | |
1459 | pt2.y = (int) ((pt.y * 8) / charHeight) ; | |
fd71308f JS |
1460 | |
1461 | return pt2; | |
1462 | } | |
1463 | ||
f03fc89f | 1464 | wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) |
fd71308f JS |
1465 | { |
1466 | int charWidth = GetCharWidth(); | |
1467 | int charHeight = GetCharHeight(); | |
5d9c2818 RD |
1468 | wxPoint pt2(-1, -1); |
1469 | if (pt.x != -1) | |
1470 | pt2.x = (int) ((pt.x * charWidth) / 4) ; | |
1471 | if (pt.y != -1) | |
1472 | pt2.y = (int) ((pt.y * charHeight) / 8) ; | |
fd71308f JS |
1473 | |
1474 | return pt2; | |
1475 | } | |
1476 | ||
f03fc89f VZ |
1477 | // ---------------------------------------------------------------------------- |
1478 | // event handlers | |
1479 | // ---------------------------------------------------------------------------- | |
1480 | ||
1481 | // propagate the colour change event to the subwindows | |
1482 | void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) | |
1483 | { | |
1484 | wxWindowList::Node *node = GetChildren().GetFirst(); | |
1485 | while ( node ) | |
1486 | { | |
1487 | // Only propagate to non-top-level windows | |
1488 | wxWindow *win = node->GetData(); | |
1489 | if ( !win->IsTopLevel() ) | |
1490 | { | |
1491 | wxSysColourChangedEvent event2; | |
1492 | event.m_eventObject = win; | |
1493 | win->GetEventHandler()->ProcessEvent(event2); | |
1494 | } | |
1495 | ||
1496 | node = node->GetNext(); | |
1497 | } | |
1498 | } | |
1499 | ||
1500 | // the default action is to populate dialog with data when it's created | |
1501 | void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) | |
1502 | { | |
1503 | TransferDataToWindow(); | |
1504 | } | |
1505 | ||
a02dc3e3 VZ |
1506 | // process Ctrl-Alt-mclick |
1507 | void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) | |
1508 | { | |
1e6feb95 | 1509 | #if wxUSE_MSGDLG |
a02dc3e3 VZ |
1510 | if ( event.ControlDown() && event.AltDown() ) |
1511 | { | |
1512 | // don't translate these strings | |
1513 | wxString port; | |
1514 | switch ( wxGetOsVersion() ) | |
1515 | { | |
1516 | case wxMOTIF_X: port = _T("Motif"); break; | |
ff8fda36 GD |
1517 | case wxMAC: |
1518 | case wxMAC_DARWIN: port = _T("Mac"); break; | |
a02dc3e3 VZ |
1519 | case wxBEOS: port = _T("BeOS"); break; |
1520 | case wxGTK: | |
1521 | case wxGTK_WIN32: | |
1522 | case wxGTK_OS2: | |
1523 | case wxGTK_BEOS: port = _T("GTK"); break; | |
1524 | case wxWINDOWS: | |
1525 | case wxPENWINDOWS: | |
1526 | case wxWINDOWS_NT: | |
1527 | case wxWIN32S: | |
1528 | case wxWIN95: | |
1529 | case wxWIN386: port = _T("MS Windows"); break; | |
1530 | case wxMGL_UNIX: | |
1531 | case wxMGL_X: | |
1532 | case wxMGL_WIN32: | |
1533 | case wxMGL_OS2: port = _T("MGL"); break; | |
1534 | case wxWINDOWS_OS2: | |
1535 | case wxOS2_PM: port = _T("OS/2"); break; | |
1536 | default: port = _T("unknown"); break; | |
1537 | } | |
1538 | ||
1539 | wxMessageBox(wxString::Format( | |
1540 | _T( | |
3f562374 | 1541 | " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2001 wxWindows team" |
a02dc3e3 VZ |
1542 | ), |
1543 | port.c_str(), | |
1544 | wxMAJOR_VERSION, | |
1545 | wxMINOR_VERSION, | |
1546 | wxRELEASE_NUMBER, | |
3f562374 VZ |
1547 | #if wxUSE_UNICODE |
1548 | L" (Unicode)", | |
1549 | #else | |
1550 | "", | |
1551 | #endif | |
1552 | __TDATE__, | |
1553 | __TTIME__ | |
a02dc3e3 VZ |
1554 | ), |
1555 | _T("wxWindows information"), | |
1556 | wxICON_INFORMATION | wxOK, | |
1557 | (wxWindow *)this); | |
1558 | } | |
1559 | else | |
1e6feb95 | 1560 | #endif // wxUSE_MSGDLG |
a02dc3e3 VZ |
1561 | { |
1562 | event.Skip(); | |
1563 | } | |
1564 | } | |
1565 | ||
f03fc89f VZ |
1566 | // ---------------------------------------------------------------------------- |
1567 | // list classes implementation | |
1568 | // ---------------------------------------------------------------------------- | |
1569 | ||
1570 | void wxWindowListNode::DeleteData() | |
1571 | { | |
1572 | delete (wxWindow *)GetData(); | |
1573 | } | |
1574 | ||
1e6feb95 VZ |
1575 | // ---------------------------------------------------------------------------- |
1576 | // borders | |
1577 | // ---------------------------------------------------------------------------- | |
1578 | ||
1579 | wxBorder wxWindowBase::GetBorder() const | |
1580 | { | |
1581 | wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK); | |
1582 | if ( border == wxBORDER_DEFAULT ) | |
1583 | { | |
1584 | border = GetDefaultBorder(); | |
1585 | } | |
1586 | ||
1587 | return border; | |
1588 | } | |
1589 | ||
1590 | wxBorder wxWindowBase::GetDefaultBorder() const | |
1591 | { | |
1592 | return wxBORDER_NONE; | |
1593 | } | |
1594 | ||
1595 | // ---------------------------------------------------------------------------- | |
1596 | // hit testing | |
1597 | // ---------------------------------------------------------------------------- | |
1598 | ||
1599 | wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const | |
1600 | { | |
1601 | // here we just check if the point is inside the window or not | |
1602 | ||
1603 | // check the top and left border first | |
1604 | bool outside = x < 0 || y < 0; | |
1605 | if ( !outside ) | |
1606 | { | |
1607 | // check the right and bottom borders too | |
1608 | wxSize size = GetSize(); | |
1609 | outside = x >= size.x || y >= size.y; | |
1610 | } | |
1611 | ||
1612 | return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE; | |
1613 | } | |
1614 |