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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: univ/menu.cpp | |
3 | // Purpose: wxMenuItem, wxMenu and wxMenuBar implementation | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 25.08.00 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #include "wx/wxprec.h" | |
21 | ||
22 | #ifdef __BORLANDC__ | |
23 | #pragma hdrstop | |
24 | #endif | |
25 | ||
26 | #ifndef WX_PRECOMP | |
27 | #include "wx/dynarray.h" | |
28 | #include "wx/control.h" // for FindAccelIndex() | |
29 | #include "wx/menu.h" | |
30 | #include "wx/settings.h" | |
31 | #include "wx/accel.h" | |
32 | #include "wx/log.h" | |
33 | #endif // WX_PRECOMP | |
34 | ||
35 | #if wxUSE_MENUS | |
36 | ||
37 | #include "wx/popupwin.h" | |
38 | #include "wx/evtloop.h" | |
39 | #include "wx/dcclient.h" | |
40 | #include "wx/frame.h" | |
41 | ||
42 | #include "wx/univ/renderer.h" | |
43 | ||
44 | #ifdef __WXMSW__ | |
45 | #include "wx/msw/private.h" | |
46 | #endif // __WXMSW__ | |
47 | ||
48 | // ---------------------------------------------------------------------------- | |
49 | // wxMenuInfo contains all extra information about top level menus we need | |
50 | // ---------------------------------------------------------------------------- | |
51 | ||
52 | class WXDLLEXPORT wxMenuInfo | |
53 | { | |
54 | public: | |
55 | // ctor | |
56 | wxMenuInfo(const wxString& text) | |
57 | { | |
58 | SetLabel(text); | |
59 | SetEnabled(); | |
60 | } | |
61 | ||
62 | // modifiers | |
63 | ||
64 | void SetLabel(const wxString& text) | |
65 | { | |
66 | // remember the accel char (may be -1 if none) | |
67 | m_indexAccel = wxControl::FindAccelIndex(text, &m_label); | |
68 | ||
69 | // calculate the width later, after the menu bar is created | |
70 | m_width = 0; | |
71 | } | |
72 | ||
73 | void SetEnabled(bool enabled = true) { m_isEnabled = enabled; } | |
74 | ||
75 | // accessors | |
76 | ||
77 | const wxString& GetLabel() const { return m_label; } | |
78 | bool IsEnabled() const { return m_isEnabled; } | |
79 | wxCoord GetWidth(wxMenuBar *menubar) const | |
80 | { | |
81 | if ( !m_width ) | |
82 | { | |
83 | wxConstCast(this, wxMenuInfo)->CalcWidth(menubar); | |
84 | } | |
85 | ||
86 | return m_width; | |
87 | } | |
88 | ||
89 | int GetAccelIndex() const { return m_indexAccel; } | |
90 | ||
91 | private: | |
92 | void CalcWidth(wxMenuBar *menubar) | |
93 | { | |
94 | wxSize size; | |
95 | wxClientDC dc(menubar); | |
96 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
97 | dc.GetTextExtent(m_label, &size.x, &size.y); | |
98 | ||
99 | // adjust for the renderer we use and store the width | |
100 | m_width = menubar->GetRenderer()->GetMenuBarItemSize(size).x; | |
101 | } | |
102 | ||
103 | wxString m_label; | |
104 | wxCoord m_width; | |
105 | int m_indexAccel; | |
106 | bool m_isEnabled; | |
107 | }; | |
108 | ||
109 | #include "wx/arrimpl.cpp" | |
110 | ||
111 | WX_DEFINE_OBJARRAY(wxMenuInfoArray); | |
112 | ||
113 | // ---------------------------------------------------------------------------- | |
114 | // wxPopupMenuWindow: a popup window showing a menu | |
115 | // ---------------------------------------------------------------------------- | |
116 | ||
117 | class wxPopupMenuWindow : public wxPopupTransientWindow | |
118 | { | |
119 | public: | |
120 | wxPopupMenuWindow(wxWindow *parent, wxMenu *menu); | |
121 | ||
122 | ~wxPopupMenuWindow(); | |
123 | ||
124 | // override the base class version to select the first item initially | |
125 | virtual void Popup(wxWindow *focus = NULL); | |
126 | ||
127 | // override the base class version to dismiss any open submenus | |
128 | virtual void Dismiss(); | |
129 | ||
130 | // notify the menu when the window disappears from screen | |
131 | virtual void OnDismiss(); | |
132 | ||
133 | // called when a submenu is dismissed | |
134 | void OnSubmenuDismiss(bool dismissParent); | |
135 | ||
136 | // the default wxMSW wxPopupTransientWindow::OnIdle disables the capture | |
137 | // when the cursor is inside the popup, which dsables the menu tracking | |
138 | // so override it to do nothing | |
139 | #ifdef __WXMSW__ | |
140 | void OnIdle(wxIdleEvent& WXUNUSED(event)) { } | |
141 | #endif | |
142 | ||
143 | // get the currently selected item (may be NULL) | |
144 | wxMenuItem *GetCurrentItem() const | |
145 | { | |
146 | return m_nodeCurrent ? m_nodeCurrent->GetData() : NULL; | |
147 | } | |
148 | ||
149 | // find the menu item at given position | |
150 | wxMenuItemList::compatibility_iterator GetMenuItemFromPoint(const wxPoint& pt) const; | |
151 | ||
152 | // refresh the given item | |
153 | void RefreshItem(wxMenuItem *item); | |
154 | ||
155 | // preselect the first item | |
156 | void SelectFirst() { SetCurrent(m_menu->GetMenuItems().GetFirst()); } | |
157 | ||
158 | // process the key event, return true if done | |
159 | bool ProcessKeyDown(int key); | |
160 | ||
161 | // process mouse move event | |
162 | void ProcessMouseMove(const wxPoint& pt); | |
163 | ||
164 | // don't dismiss the popup window if the parent menu was clicked | |
165 | virtual bool ProcessLeftDown(wxMouseEvent& event); | |
166 | ||
167 | protected: | |
168 | // how did we perform this operation? | |
169 | enum InputMethod | |
170 | { | |
171 | WithKeyboard, | |
172 | WithMouse | |
173 | }; | |
174 | ||
175 | // draw the menu inside this window | |
176 | virtual void DoDraw(wxControlRenderer *renderer); | |
177 | ||
178 | // event handlers | |
179 | void OnLeftUp(wxMouseEvent& event); | |
180 | void OnMouseMove(wxMouseEvent& event); | |
181 | void OnMouseLeave(wxMouseEvent& event); | |
182 | void OnKeyDown(wxKeyEvent& event); | |
183 | ||
184 | // reset the current item and node | |
185 | void ResetCurrent(); | |
186 | ||
187 | // set the current node and item withotu refreshing anything | |
188 | void SetCurrent(wxMenuItemList::compatibility_iterator node); | |
189 | virtual bool SetCurrent(bool doit = true){return wxPopupTransientWindow::SetCurrent(doit);}; | |
190 | ||
191 | // change the current item refreshing the old and new items | |
192 | void ChangeCurrent(wxMenuItemList::compatibility_iterator node); | |
193 | ||
194 | // activate item, i.e. call either ClickItem() or OpenSubmenu() depending | |
195 | // on what it is, return true if something was done (i.e. it's not a | |
196 | // separator...) | |
197 | bool ActivateItem(wxMenuItem *item, InputMethod how = WithKeyboard); | |
198 | ||
199 | // send the event about the item click | |
200 | void ClickItem(wxMenuItem *item); | |
201 | ||
202 | // show the submenu for this item | |
203 | void OpenSubmenu(wxMenuItem *item, InputMethod how = WithKeyboard); | |
204 | ||
205 | // can this tiem be opened? | |
206 | bool CanOpen(wxMenuItem *item) | |
207 | { | |
208 | return item && item->IsEnabled() && item->IsSubMenu(); | |
209 | } | |
210 | ||
211 | // dismiss the menu and all parent menus too | |
212 | void DismissAndNotify(); | |
213 | ||
214 | // react to dimissing this menu and also dismiss the parent if | |
215 | // dismissParent | |
216 | void HandleDismiss(bool dismissParent); | |
217 | ||
218 | // do we have an open submenu? | |
219 | bool HasOpenSubmenu() const { return m_hasOpenSubMenu; } | |
220 | ||
221 | // get previous node after the current one | |
222 | wxMenuItemList::compatibility_iterator GetPrevNode() const; | |
223 | ||
224 | // get previous node before the given one, wrapping if it's the first one | |
225 | wxMenuItemList::compatibility_iterator GetPrevNode(wxMenuItemList::compatibility_iterator node) const; | |
226 | ||
227 | // get next node after the current one | |
228 | wxMenuItemList::compatibility_iterator GetNextNode() const; | |
229 | ||
230 | // get next node after the given one, wrapping if it's the last one | |
231 | wxMenuItemList::compatibility_iterator GetNextNode(wxMenuItemList::compatibility_iterator node) const; | |
232 | ||
233 | private: | |
234 | // the menu we show | |
235 | wxMenu *m_menu; | |
236 | ||
237 | // the menu node corresponding to the current item | |
238 | wxMenuItemList::compatibility_iterator m_nodeCurrent; | |
239 | ||
240 | // do we currently have an opened submenu? | |
241 | bool m_hasOpenSubMenu; | |
242 | ||
243 | DECLARE_EVENT_TABLE() | |
244 | }; | |
245 | ||
246 | // ---------------------------------------------------------------------------- | |
247 | // wxMenuKbdRedirector: an event handler which redirects kbd input to wxMenu | |
248 | // ---------------------------------------------------------------------------- | |
249 | ||
250 | class wxMenuKbdRedirector : public wxEvtHandler | |
251 | { | |
252 | public: | |
253 | wxMenuKbdRedirector(wxMenu *menu) { m_menu = menu; } | |
254 | ||
255 | virtual bool ProcessEvent(wxEvent& event) | |
256 | { | |
257 | if ( event.GetEventType() == wxEVT_KEY_DOWN ) | |
258 | { | |
259 | return m_menu->ProcessKeyDown(((wxKeyEvent &)event).GetKeyCode()); | |
260 | } | |
261 | else | |
262 | { | |
263 | // return false; | |
264 | ||
265 | return wxEvtHandler::ProcessEvent(event); | |
266 | } | |
267 | } | |
268 | ||
269 | private: | |
270 | wxMenu *m_menu; | |
271 | }; | |
272 | ||
273 | // ---------------------------------------------------------------------------- | |
274 | // wxWin macros | |
275 | // ---------------------------------------------------------------------------- | |
276 | ||
277 | IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler) | |
278 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxWindow) | |
279 | IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject) | |
280 | ||
281 | BEGIN_EVENT_TABLE(wxPopupMenuWindow, wxPopupTransientWindow) | |
282 | EVT_KEY_DOWN(wxPopupMenuWindow::OnKeyDown) | |
283 | ||
284 | EVT_LEFT_UP(wxPopupMenuWindow::OnLeftUp) | |
285 | EVT_MOTION(wxPopupMenuWindow::OnMouseMove) | |
286 | EVT_LEAVE_WINDOW(wxPopupMenuWindow::OnMouseLeave) | |
287 | #ifdef __WXMSW__ | |
288 | EVT_IDLE(wxPopupMenuWindow::OnIdle) | |
289 | #endif | |
290 | END_EVENT_TABLE() | |
291 | ||
292 | BEGIN_EVENT_TABLE(wxMenuBar, wxMenuBarBase) | |
293 | EVT_KILL_FOCUS(wxMenuBar::OnKillFocus) | |
294 | ||
295 | EVT_KEY_DOWN(wxMenuBar::OnKeyDown) | |
296 | ||
297 | EVT_LEFT_DOWN(wxMenuBar::OnLeftDown) | |
298 | EVT_MOTION(wxMenuBar::OnMouseMove) | |
299 | END_EVENT_TABLE() | |
300 | ||
301 | // ============================================================================ | |
302 | // implementation | |
303 | // ============================================================================ | |
304 | ||
305 | // ---------------------------------------------------------------------------- | |
306 | // wxPopupMenuWindow | |
307 | // ---------------------------------------------------------------------------- | |
308 | ||
309 | wxPopupMenuWindow::wxPopupMenuWindow(wxWindow *parent, wxMenu *menu) | |
310 | { | |
311 | m_menu = menu; | |
312 | m_hasOpenSubMenu = false; | |
313 | ||
314 | ResetCurrent(); | |
315 | ||
316 | (void)Create(parent, wxBORDER_RAISED); | |
317 | ||
318 | SetCursor(wxCURSOR_ARROW); | |
319 | } | |
320 | ||
321 | wxPopupMenuWindow::~wxPopupMenuWindow() | |
322 | { | |
323 | // When m_popupMenu in wxMenu is deleted because it | |
324 | // is a child of an old menu bar being deleted (note: it does | |
325 | // not get destroyed by the wxMenu destructor, but | |
326 | // by DestroyChildren()), m_popupMenu should be reset to NULL. | |
327 | ||
328 | m_menu->m_popupMenu = NULL; | |
329 | } | |
330 | ||
331 | // ---------------------------------------------------------------------------- | |
332 | // wxPopupMenuWindow current item/node handling | |
333 | // ---------------------------------------------------------------------------- | |
334 | ||
335 | void wxPopupMenuWindow::ResetCurrent() | |
336 | { | |
337 | #if wxUSE_STL | |
338 | SetCurrent(wxMenuItemList::compatibility_iterator()); | |
339 | #else | |
340 | SetCurrent((wxwxMenuItemListNode *)NULL); | |
341 | #endif | |
342 | } | |
343 | ||
344 | void wxPopupMenuWindow::SetCurrent(wxMenuItemList::compatibility_iterator node) | |
345 | { | |
346 | m_nodeCurrent = node; | |
347 | } | |
348 | ||
349 | void wxPopupMenuWindow::ChangeCurrent(wxMenuItemList::compatibility_iterator node) | |
350 | { | |
351 | if ( node != m_nodeCurrent ) | |
352 | { | |
353 | wxMenuItemList::compatibility_iterator nodeOldCurrent = m_nodeCurrent; | |
354 | ||
355 | m_nodeCurrent = node; | |
356 | ||
357 | if ( nodeOldCurrent ) | |
358 | { | |
359 | wxMenuItem *item = nodeOldCurrent->GetData(); | |
360 | wxCHECK_RET( item, _T("no current item?") ); | |
361 | ||
362 | // if it was the currently opened menu, close it | |
363 | if ( item->IsSubMenu() && item->GetSubMenu()->IsShown() ) | |
364 | { | |
365 | item->GetSubMenu()->Dismiss(); | |
366 | OnSubmenuDismiss( false ); | |
367 | } | |
368 | ||
369 | RefreshItem(item); | |
370 | } | |
371 | ||
372 | if ( m_nodeCurrent ) | |
373 | RefreshItem(m_nodeCurrent->GetData()); | |
374 | } | |
375 | } | |
376 | ||
377 | wxMenuItemList::compatibility_iterator wxPopupMenuWindow::GetPrevNode() const | |
378 | { | |
379 | // return the last node if there had been no previously selected one | |
380 | return m_nodeCurrent ? GetPrevNode(m_nodeCurrent) | |
381 | : m_menu->GetMenuItems().GetLast(); | |
382 | } | |
383 | ||
384 | wxMenuItemList::compatibility_iterator | |
385 | wxPopupMenuWindow::GetPrevNode(wxMenuItemList::compatibility_iterator node) const | |
386 | { | |
387 | if ( node ) | |
388 | { | |
389 | node = node->GetPrevious(); | |
390 | if ( !node ) | |
391 | { | |
392 | node = m_menu->GetMenuItems().GetLast(); | |
393 | } | |
394 | } | |
395 | //else: the menu is empty | |
396 | ||
397 | return node; | |
398 | } | |
399 | ||
400 | wxMenuItemList::compatibility_iterator wxPopupMenuWindow::GetNextNode() const | |
401 | { | |
402 | // return the first node if there had been no previously selected one | |
403 | return m_nodeCurrent ? GetNextNode(m_nodeCurrent) | |
404 | : m_menu->GetMenuItems().GetFirst(); | |
405 | } | |
406 | ||
407 | wxMenuItemList::compatibility_iterator | |
408 | wxPopupMenuWindow::GetNextNode(wxMenuItemList::compatibility_iterator node) const | |
409 | { | |
410 | if ( node ) | |
411 | { | |
412 | node = node->GetNext(); | |
413 | if ( !node ) | |
414 | { | |
415 | node = m_menu->GetMenuItems().GetFirst(); | |
416 | } | |
417 | } | |
418 | //else: the menu is empty | |
419 | ||
420 | return node; | |
421 | } | |
422 | ||
423 | // ---------------------------------------------------------------------------- | |
424 | // wxPopupMenuWindow popup/dismiss | |
425 | // ---------------------------------------------------------------------------- | |
426 | ||
427 | void wxPopupMenuWindow::Popup(wxWindow *focus) | |
428 | { | |
429 | // check that the current item had been properly reset before | |
430 | wxASSERT_MSG( !m_nodeCurrent || | |
431 | m_nodeCurrent == m_menu->GetMenuItems().GetFirst(), | |
432 | _T("menu current item preselected incorrectly") ); | |
433 | ||
434 | wxPopupTransientWindow::Popup(focus); | |
435 | ||
436 | // the base class no-longer captures the mouse automatically when Popup | |
437 | // is called, so do it here to allow the menu tracking to work | |
438 | if ( !HasCapture() ) | |
439 | CaptureMouse(); | |
440 | ||
441 | #ifdef __WXMSW__ | |
442 | // ensure that this window is really on top of everything: without using | |
443 | // SetWindowPos() it can be covered by its parent menu which is not | |
444 | // really what we want | |
445 | wxMenu *menuParent = m_menu->GetParent(); | |
446 | if ( menuParent ) | |
447 | { | |
448 | wxPopupMenuWindow *win = menuParent->m_popupMenu; | |
449 | ||
450 | // if we're shown, the parent menu must be also shown | |
451 | wxCHECK_RET( win, _T("parent menu is not shown?") ); | |
452 | ||
453 | if ( !::SetWindowPos(GetHwndOf(win), GetHwnd(), | |
454 | 0, 0, 0, 0, | |
455 | SWP_NOMOVE | SWP_NOSIZE | SWP_NOREDRAW) ) | |
456 | { | |
457 | wxLogLastError(_T("SetWindowPos(HWND_TOP)")); | |
458 | } | |
459 | ||
460 | Refresh(); | |
461 | } | |
462 | #endif // __WXMSW__ | |
463 | } | |
464 | ||
465 | void wxPopupMenuWindow::Dismiss() | |
466 | { | |
467 | if ( HasOpenSubmenu() ) | |
468 | { | |
469 | wxMenuItem *item = GetCurrentItem(); | |
470 | wxCHECK_RET( item && item->IsSubMenu(), _T("where is our open submenu?") ); | |
471 | ||
472 | wxPopupMenuWindow *win = item->GetSubMenu()->m_popupMenu; | |
473 | wxCHECK_RET( win, _T("opened submenu is not opened?") ); | |
474 | ||
475 | win->Dismiss(); | |
476 | OnSubmenuDismiss( false ); | |
477 | } | |
478 | ||
479 | wxPopupTransientWindow::Dismiss(); | |
480 | ||
481 | ResetCurrent(); | |
482 | } | |
483 | ||
484 | void wxPopupMenuWindow::OnDismiss() | |
485 | { | |
486 | // when we are dismissed because the user clicked elsewhere or we lost | |
487 | // focus in any other way, hide the parent menu as well | |
488 | HandleDismiss(true); | |
489 | } | |
490 | ||
491 | void wxPopupMenuWindow::OnSubmenuDismiss(bool WXUNUSED(dismissParent)) | |
492 | { | |
493 | m_hasOpenSubMenu = false; | |
494 | } | |
495 | ||
496 | void wxPopupMenuWindow::HandleDismiss(bool dismissParent) | |
497 | { | |
498 | m_menu->OnDismiss(dismissParent); | |
499 | } | |
500 | ||
501 | void wxPopupMenuWindow::DismissAndNotify() | |
502 | { | |
503 | Dismiss(); | |
504 | HandleDismiss(true); | |
505 | } | |
506 | ||
507 | // ---------------------------------------------------------------------------- | |
508 | // wxPopupMenuWindow geometry | |
509 | // ---------------------------------------------------------------------------- | |
510 | ||
511 | wxMenuItemList::compatibility_iterator | |
512 | wxPopupMenuWindow::GetMenuItemFromPoint(const wxPoint& pt) const | |
513 | { | |
514 | // we only use the y coord normally, but still check x in case the point is | |
515 | // outside the window completely | |
516 | if ( wxWindow::HitTest(pt) == wxHT_WINDOW_INSIDE ) | |
517 | { | |
518 | wxCoord y = 0; | |
519 | for ( wxMenuItemList::compatibility_iterator node = m_menu->GetMenuItems().GetFirst(); | |
520 | node; | |
521 | node = node->GetNext() ) | |
522 | { | |
523 | wxMenuItem *item = node->GetData(); | |
524 | y += item->GetHeight(); | |
525 | if ( y > pt.y ) | |
526 | { | |
527 | // found | |
528 | return node; | |
529 | } | |
530 | } | |
531 | } | |
532 | ||
533 | #if wxUSE_STL | |
534 | return wxMenuItemList::compatibility_iterator(); | |
535 | #else | |
536 | return NULL; | |
537 | #endif | |
538 | } | |
539 | ||
540 | // ---------------------------------------------------------------------------- | |
541 | // wxPopupMenuWindow drawing | |
542 | // ---------------------------------------------------------------------------- | |
543 | ||
544 | void wxPopupMenuWindow::RefreshItem(wxMenuItem *item) | |
545 | { | |
546 | wxCHECK_RET( item, _T("can't refresh NULL item") ); | |
547 | ||
548 | wxASSERT_MSG( IsShown(), _T("can't refresh menu which is not shown") ); | |
549 | ||
550 | // FIXME: -1 here because of SetLogicalOrigin(1, 1) in DoDraw() | |
551 | RefreshRect(wxRect(0, item->GetPosition() - 1, | |
552 | m_menu->GetGeometryInfo().GetSize().x, item->GetHeight())); | |
553 | } | |
554 | ||
555 | void wxPopupMenuWindow::DoDraw(wxControlRenderer *renderer) | |
556 | { | |
557 | // no clipping so far - do we need it? I don't think so as the menu is | |
558 | // never partially covered as it is always on top of everything | |
559 | ||
560 | wxDC& dc = renderer->GetDC(); | |
561 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
562 | ||
563 | // FIXME: this should be done in the renderer, however when it is fixed | |
564 | // wxPopupMenuWindow::RefreshItem() should be changed too! | |
565 | dc.SetLogicalOrigin(1, 1); | |
566 | ||
567 | wxRenderer *rend = renderer->GetRenderer(); | |
568 | ||
569 | wxCoord y = 0; | |
570 | const wxMenuGeometryInfo& gi = m_menu->GetGeometryInfo(); | |
571 | for ( wxMenuItemList::compatibility_iterator node = m_menu->GetMenuItems().GetFirst(); | |
572 | node; | |
573 | node = node->GetNext() ) | |
574 | { | |
575 | wxMenuItem *item = node->GetData(); | |
576 | ||
577 | if ( item->IsSeparator() ) | |
578 | { | |
579 | rend->DrawMenuSeparator(dc, y, gi); | |
580 | } | |
581 | else // not a separator | |
582 | { | |
583 | int flags = 0; | |
584 | if ( item->IsCheckable() ) | |
585 | { | |
586 | flags |= wxCONTROL_CHECKABLE; | |
587 | ||
588 | if ( item->IsChecked() ) | |
589 | { | |
590 | flags |= wxCONTROL_CHECKED; | |
591 | } | |
592 | } | |
593 | ||
594 | if ( !item->IsEnabled() ) | |
595 | flags |= wxCONTROL_DISABLED; | |
596 | ||
597 | if ( item->IsSubMenu() ) | |
598 | flags |= wxCONTROL_ISSUBMENU; | |
599 | ||
600 | if ( item == GetCurrentItem() ) | |
601 | flags |= wxCONTROL_SELECTED; | |
602 | ||
603 | wxBitmap bmp; | |
604 | ||
605 | if ( !item->IsEnabled() ) | |
606 | { | |
607 | bmp = item->GetDisabledBitmap(); | |
608 | } | |
609 | ||
610 | if ( !bmp.Ok() ) | |
611 | { | |
612 | // strangely enough, for unchecked item we use the | |
613 | // "checked" bitmap because this is the default one - this | |
614 | // explains this strange boolean expression | |
615 | bmp = item->GetBitmap(!item->IsCheckable() || item->IsChecked()); | |
616 | } | |
617 | ||
618 | rend->DrawMenuItem | |
619 | ( | |
620 | dc, | |
621 | y, | |
622 | gi, | |
623 | item->GetLabel(), | |
624 | item->GetAccelString(), | |
625 | bmp, | |
626 | flags, | |
627 | item->GetAccelIndex() | |
628 | ); | |
629 | } | |
630 | ||
631 | y += item->GetHeight(); | |
632 | } | |
633 | } | |
634 | ||
635 | // ---------------------------------------------------------------------------- | |
636 | // wxPopupMenuWindow actions | |
637 | // ---------------------------------------------------------------------------- | |
638 | ||
639 | void wxPopupMenuWindow::ClickItem(wxMenuItem *item) | |
640 | { | |
641 | wxCHECK_RET( item, _T("can't click NULL item") ); | |
642 | ||
643 | wxASSERT_MSG( !item->IsSeparator() && !item->IsSubMenu(), | |
644 | _T("can't click this item") ); | |
645 | ||
646 | wxMenu* menu = m_menu; | |
647 | ||
648 | // close all menus | |
649 | DismissAndNotify(); | |
650 | ||
651 | menu->ClickItem(item); | |
652 | } | |
653 | ||
654 | void wxPopupMenuWindow::OpenSubmenu(wxMenuItem *item, InputMethod how) | |
655 | { | |
656 | wxCHECK_RET( item, _T("can't open NULL submenu") ); | |
657 | ||
658 | wxMenu *submenu = item->GetSubMenu(); | |
659 | wxCHECK_RET( submenu, _T("can only open submenus!") ); | |
660 | ||
661 | // FIXME: should take into account the border width | |
662 | submenu->Popup(ClientToScreen(wxPoint(0, item->GetPosition())), | |
663 | wxSize(m_menu->GetGeometryInfo().GetSize().x, 0), | |
664 | how == WithKeyboard /* preselect first item then */); | |
665 | ||
666 | m_hasOpenSubMenu = true; | |
667 | } | |
668 | ||
669 | bool wxPopupMenuWindow::ActivateItem(wxMenuItem *item, InputMethod how) | |
670 | { | |
671 | // don't activate disabled items | |
672 | if ( !item || !item->IsEnabled() ) | |
673 | { | |
674 | return false; | |
675 | } | |
676 | ||
677 | // normal menu items generate commands, submenus can be opened and | |
678 | // the separators don't do anything | |
679 | if ( item->IsSubMenu() ) | |
680 | { | |
681 | OpenSubmenu(item, how); | |
682 | } | |
683 | else if ( !item->IsSeparator() ) | |
684 | { | |
685 | ClickItem(item); | |
686 | } | |
687 | else // separator, can't activate | |
688 | { | |
689 | return false; | |
690 | } | |
691 | ||
692 | return true; | |
693 | } | |
694 | ||
695 | // ---------------------------------------------------------------------------- | |
696 | // wxPopupMenuWindow input handling | |
697 | // ---------------------------------------------------------------------------- | |
698 | ||
699 | bool wxPopupMenuWindow::ProcessLeftDown(wxMouseEvent& event) | |
700 | { | |
701 | // wxPopupWindowHandler dismisses the window when the mouse is clicked | |
702 | // outside it which is usually just fine, but there is one case when we | |
703 | // don't want to do it: if the mouse was clicked on the parent submenu item | |
704 | // which opens this menu, so check for it | |
705 | ||
706 | wxPoint pos = event.GetPosition(); | |
707 | if ( HitTest(pos.x, pos.y) == wxHT_WINDOW_OUTSIDE ) | |
708 | { | |
709 | wxMenu *menu = m_menu->GetParent(); | |
710 | if ( menu ) | |
711 | { | |
712 | wxPopupMenuWindow *win = menu->m_popupMenu; | |
713 | ||
714 | wxCHECK_MSG( win, false, _T("parent menu not shown?") ); | |
715 | ||
716 | pos = ClientToScreen(pos); | |
717 | if ( win->GetMenuItemFromPoint(win->ScreenToClient(pos)) ) | |
718 | { | |
719 | // eat the event | |
720 | return true; | |
721 | } | |
722 | //else: it is outside the parent menu as well, do dismiss this one | |
723 | } | |
724 | } | |
725 | ||
726 | return false; | |
727 | } | |
728 | ||
729 | void wxPopupMenuWindow::OnLeftUp(wxMouseEvent& event) | |
730 | { | |
731 | wxMenuItemList::compatibility_iterator node = GetMenuItemFromPoint(event.GetPosition()); | |
732 | if ( node ) | |
733 | { | |
734 | ActivateItem(node->GetData(), WithMouse); | |
735 | } | |
736 | } | |
737 | ||
738 | void wxPopupMenuWindow::OnMouseMove(wxMouseEvent& event) | |
739 | { | |
740 | const wxPoint pt = event.GetPosition(); | |
741 | ||
742 | // we need to ignore extra mouse events: example when this happens is when | |
743 | // the mouse is on the menu and we open a submenu from keyboard - Windows | |
744 | // then sends us a dummy mouse move event, we (correctly) determine that it | |
745 | // happens in the parent menu and so immediately close the just opened | |
746 | // submenu! | |
747 | #ifdef __WXMSW__ | |
748 | static wxPoint s_ptLast; | |
749 | wxPoint ptCur = ClientToScreen(pt); | |
750 | if ( ptCur == s_ptLast ) | |
751 | { | |
752 | return; | |
753 | } | |
754 | ||
755 | s_ptLast = ptCur; | |
756 | #endif // __WXMSW__ | |
757 | ||
758 | ProcessMouseMove(pt); | |
759 | ||
760 | event.Skip(); | |
761 | } | |
762 | ||
763 | void wxPopupMenuWindow::ProcessMouseMove(const wxPoint& pt) | |
764 | { | |
765 | wxMenuItemList::compatibility_iterator node = GetMenuItemFromPoint(pt); | |
766 | ||
767 | // don't reset current to NULL here, we only do it when the mouse leaves | |
768 | // the window (see below) | |
769 | if ( node ) | |
770 | { | |
771 | if ( node != m_nodeCurrent ) | |
772 | { | |
773 | ChangeCurrent(node); | |
774 | ||
775 | wxMenuItem *item = GetCurrentItem(); | |
776 | if ( CanOpen(item) ) | |
777 | { | |
778 | OpenSubmenu(item, WithMouse); | |
779 | } | |
780 | } | |
781 | //else: same item, nothing to do | |
782 | } | |
783 | else // not on an item | |
784 | { | |
785 | // the last open submenu forwards the mouse move messages to its | |
786 | // parent, so if the mouse moves to another item of the parent menu, | |
787 | // this menu is closed and this other item is selected - in the similar | |
788 | // manner, the top menu forwards the mouse moves to the menubar which | |
789 | // allows to select another top level menu by just moving the mouse | |
790 | ||
791 | // we need to translate our client coords to the client coords of the | |
792 | // window we forward this event to | |
793 | wxPoint ptScreen = ClientToScreen(pt); | |
794 | ||
795 | // if the mouse is outside this menu, let the parent one to | |
796 | // process it | |
797 | wxMenu *menuParent = m_menu->GetParent(); | |
798 | if ( menuParent ) | |
799 | { | |
800 | wxPopupMenuWindow *win = menuParent->m_popupMenu; | |
801 | ||
802 | // if we're shown, the parent menu must be also shown | |
803 | wxCHECK_RET( win, _T("parent menu is not shown?") ); | |
804 | ||
805 | win->ProcessMouseMove(win->ScreenToClient(ptScreen)); | |
806 | } | |
807 | else // no parent menu | |
808 | { | |
809 | wxMenuBar *menubar = m_menu->GetMenuBar(); | |
810 | if ( menubar ) | |
811 | { | |
812 | if ( menubar->ProcessMouseEvent( | |
813 | menubar->ScreenToClient(ptScreen)) ) | |
814 | { | |
815 | // menubar has closed this menu and opened another one, probably | |
816 | return; | |
817 | } | |
818 | } | |
819 | } | |
820 | //else: top level popup menu, no other processing to do | |
821 | } | |
822 | } | |
823 | ||
824 | void wxPopupMenuWindow::OnMouseLeave(wxMouseEvent& event) | |
825 | { | |
826 | // due to the artefact of mouse events generation under MSW, we actually | |
827 | // may get the mouse leave event after the menu had been already dismissed | |
828 | // and calling ChangeCurrent() would then assert, so don't do it | |
829 | if ( IsShown() ) | |
830 | { | |
831 | // we shouldn't change the current them if our submenu is opened and | |
832 | // mouse moved there, in this case the submenu is responsable for | |
833 | // handling it | |
834 | bool resetCurrent; | |
835 | if ( HasOpenSubmenu() ) | |
836 | { | |
837 | wxMenuItem *item = GetCurrentItem(); | |
838 | wxCHECK_RET( CanOpen(item), _T("where is our open submenu?") ); | |
839 | ||
840 | wxPopupMenuWindow *win = item->GetSubMenu()->m_popupMenu; | |
841 | wxCHECK_RET( win, _T("submenu is opened but not shown?") ); | |
842 | ||
843 | // only handle this event if the mouse is not inside the submenu | |
844 | wxPoint pt = ClientToScreen(event.GetPosition()); | |
845 | resetCurrent = | |
846 | win->HitTest(win->ScreenToClient(pt)) == wxHT_WINDOW_OUTSIDE; | |
847 | } | |
848 | else | |
849 | { | |
850 | // this menu is the last opened | |
851 | resetCurrent = true; | |
852 | } | |
853 | ||
854 | if ( resetCurrent ) | |
855 | { | |
856 | #if wxUSE_STL | |
857 | ChangeCurrent(wxMenuItemList::compatibility_iterator()); | |
858 | #else | |
859 | ChangeCurrent(NULL); | |
860 | #endif | |
861 | } | |
862 | } | |
863 | ||
864 | event.Skip(); | |
865 | } | |
866 | ||
867 | void wxPopupMenuWindow::OnKeyDown(wxKeyEvent& event) | |
868 | { | |
869 | wxMenuBar *menubar = m_menu->GetMenuBar(); | |
870 | ||
871 | if ( menubar ) | |
872 | { | |
873 | menubar->ProcessEvent(event); | |
874 | } | |
875 | else if ( !ProcessKeyDown(event.GetKeyCode()) ) | |
876 | { | |
877 | event.Skip(); | |
878 | } | |
879 | } | |
880 | ||
881 | bool wxPopupMenuWindow::ProcessKeyDown(int key) | |
882 | { | |
883 | wxMenuItem *item = GetCurrentItem(); | |
884 | ||
885 | // first let the opened submenu to have it (no test for IsEnabled() here, | |
886 | // the keys navigate even in a disabled submenu if we had somehow managed | |
887 | // to open it inspit of this) | |
888 | if ( HasOpenSubmenu() ) | |
889 | { | |
890 | wxCHECK_MSG( CanOpen(item), false, | |
891 | _T("has open submenu but another item selected?") ); | |
892 | ||
893 | if ( item->GetSubMenu()->ProcessKeyDown(key) ) | |
894 | return true; | |
895 | } | |
896 | ||
897 | bool processed = true; | |
898 | ||
899 | // handle the up/down arrows, home, end, esc and return here, pass the | |
900 | // left/right arrows to the menu bar except when the right arrow can be | |
901 | // used to open a submenu | |
902 | switch ( key ) | |
903 | { | |
904 | case WXK_LEFT: | |
905 | // if we're not a top level menu, close us, else leave this to the | |
906 | // menubar | |
907 | if ( !m_menu->GetParent() ) | |
908 | { | |
909 | processed = false; | |
910 | break; | |
911 | } | |
912 | ||
913 | // fall through | |
914 | ||
915 | case WXK_ESCAPE: | |
916 | // close just this menu | |
917 | Dismiss(); | |
918 | HandleDismiss(false); | |
919 | break; | |
920 | ||
921 | case WXK_RETURN: | |
922 | processed = ActivateItem(item); | |
923 | break; | |
924 | ||
925 | case WXK_HOME: | |
926 | ChangeCurrent(m_menu->GetMenuItems().GetFirst()); | |
927 | break; | |
928 | ||
929 | case WXK_END: | |
930 | ChangeCurrent(m_menu->GetMenuItems().GetLast()); | |
931 | break; | |
932 | ||
933 | case WXK_UP: | |
934 | case WXK_DOWN: | |
935 | { | |
936 | bool up = key == WXK_UP; | |
937 | ||
938 | wxMenuItemList::compatibility_iterator nodeStart = up ? GetPrevNode() | |
939 | : GetNextNode(), | |
940 | node = nodeStart; | |
941 | while ( node && node->GetData()->IsSeparator() ) | |
942 | { | |
943 | node = up ? GetPrevNode(node) : GetNextNode(node); | |
944 | ||
945 | if ( node == nodeStart ) | |
946 | { | |
947 | // nothing but separators and disabled items in this | |
948 | // menu, break out | |
949 | #if wxUSE_STL | |
950 | node = wxMenuItemList::compatibility_iterator(); | |
951 | #else | |
952 | node = NULL; | |
953 | #endif | |
954 | } | |
955 | } | |
956 | ||
957 | if ( node ) | |
958 | { | |
959 | ChangeCurrent(node); | |
960 | } | |
961 | else | |
962 | { | |
963 | processed = false; | |
964 | } | |
965 | } | |
966 | break; | |
967 | ||
968 | case WXK_RIGHT: | |
969 | // don't try to reopen an already opened menu | |
970 | if ( !HasOpenSubmenu() && CanOpen(item) ) | |
971 | { | |
972 | OpenSubmenu(item); | |
973 | } | |
974 | else | |
975 | { | |
976 | processed = false; | |
977 | } | |
978 | break; | |
979 | ||
980 | default: | |
981 | // look for the menu item starting with this letter | |
982 | if ( wxIsalnum((wxChar)key) ) | |
983 | { | |
984 | // we want to start from the item after this one because | |
985 | // if we're already on the item with the given accel we want to | |
986 | // go to the next one, not to stay in place | |
987 | wxMenuItemList::compatibility_iterator nodeStart = GetNextNode(); | |
988 | ||
989 | // do we have more than one item with this accel? | |
990 | bool notUnique = false; | |
991 | ||
992 | // translate everything to lower case before comparing | |
993 | wxChar chAccel = (wxChar)wxTolower(key); | |
994 | ||
995 | // loop through all items searching for the item with this | |
996 | // accel | |
997 | wxMenuItemList::compatibility_iterator node = nodeStart, | |
998 | #if wxUSE_STL | |
999 | nodeFound = wxMenuItemList::compatibility_iterator(); | |
1000 | #else | |
1001 | nodeFound = NULL; | |
1002 | #endif | |
1003 | for ( ;; ) | |
1004 | { | |
1005 | item = node->GetData(); | |
1006 | ||
1007 | int idxAccel = item->GetAccelIndex(); | |
1008 | if ( idxAccel != -1 && | |
1009 | wxTolower(item->GetLabel()[(size_t)idxAccel]) | |
1010 | == chAccel ) | |
1011 | { | |
1012 | // ok, found an item with this accel | |
1013 | if ( !nodeFound ) | |
1014 | { | |
1015 | // store it but continue searching as we need to | |
1016 | // know if it's the only item with this accel or if | |
1017 | // there are more | |
1018 | nodeFound = node; | |
1019 | } | |
1020 | else // we already had found such item | |
1021 | { | |
1022 | notUnique = true; | |
1023 | ||
1024 | // no need to continue further, we won't find | |
1025 | // anything we don't already know | |
1026 | break; | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | // we want to iterate over all items wrapping around if | |
1031 | // necessary | |
1032 | node = GetNextNode(node); | |
1033 | if ( node == nodeStart ) | |
1034 | { | |
1035 | // we've seen all nodes | |
1036 | break; | |
1037 | } | |
1038 | } | |
1039 | ||
1040 | if ( nodeFound ) | |
1041 | { | |
1042 | item = nodeFound->GetData(); | |
1043 | ||
1044 | // go to this item anyhow | |
1045 | ChangeCurrent(nodeFound); | |
1046 | ||
1047 | if ( !notUnique && item->IsEnabled() ) | |
1048 | { | |
1049 | // unique item with this accel - activate it | |
1050 | processed = ActivateItem(item); | |
1051 | } | |
1052 | //else: just select it but don't activate as the user might | |
1053 | // have wanted to activate another item | |
1054 | ||
1055 | // skip "processed = false" below | |
1056 | break; | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | processed = false; | |
1061 | } | |
1062 | ||
1063 | return processed; | |
1064 | } | |
1065 | ||
1066 | // ---------------------------------------------------------------------------- | |
1067 | // wxMenu | |
1068 | // ---------------------------------------------------------------------------- | |
1069 | ||
1070 | void wxMenu::Init() | |
1071 | { | |
1072 | m_geometry = NULL; | |
1073 | ||
1074 | m_popupMenu = NULL; | |
1075 | ||
1076 | m_startRadioGroup = -1; | |
1077 | } | |
1078 | ||
1079 | wxMenu::~wxMenu() | |
1080 | { | |
1081 | delete m_geometry; | |
1082 | delete m_popupMenu; | |
1083 | } | |
1084 | ||
1085 | // ---------------------------------------------------------------------------- | |
1086 | // wxMenu and wxMenuGeometryInfo | |
1087 | // ---------------------------------------------------------------------------- | |
1088 | ||
1089 | wxMenuGeometryInfo::~wxMenuGeometryInfo() | |
1090 | { | |
1091 | } | |
1092 | ||
1093 | const wxMenuGeometryInfo& wxMenu::GetGeometryInfo() const | |
1094 | { | |
1095 | if ( !m_geometry ) | |
1096 | { | |
1097 | if ( m_popupMenu ) | |
1098 | { | |
1099 | wxConstCast(this, wxMenu)->m_geometry = | |
1100 | m_popupMenu->GetRenderer()->GetMenuGeometry(m_popupMenu, *this); | |
1101 | } | |
1102 | else | |
1103 | { | |
1104 | wxFAIL_MSG( _T("can't get geometry without window") ); | |
1105 | } | |
1106 | } | |
1107 | ||
1108 | return *m_geometry; | |
1109 | } | |
1110 | ||
1111 | void wxMenu::InvalidateGeometryInfo() | |
1112 | { | |
1113 | if ( m_geometry ) | |
1114 | { | |
1115 | delete m_geometry; | |
1116 | m_geometry = NULL; | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | // ---------------------------------------------------------------------------- | |
1121 | // wxMenu adding/removing items | |
1122 | // ---------------------------------------------------------------------------- | |
1123 | ||
1124 | void wxMenu::OnItemAdded(wxMenuItem *item) | |
1125 | { | |
1126 | InvalidateGeometryInfo(); | |
1127 | ||
1128 | #if wxUSE_ACCEL | |
1129 | AddAccelFor(item); | |
1130 | #endif // wxUSE_ACCEL | |
1131 | ||
1132 | // the submenus of a popup menu should have the same invoking window as it | |
1133 | // has | |
1134 | if ( m_invokingWindow && item->IsSubMenu() ) | |
1135 | { | |
1136 | item->GetSubMenu()->SetInvokingWindow(m_invokingWindow); | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | void wxMenu::EndRadioGroup() | |
1141 | { | |
1142 | // we're not inside a radio group any longer | |
1143 | m_startRadioGroup = -1; | |
1144 | } | |
1145 | ||
1146 | wxMenuItem* wxMenu::DoAppend(wxMenuItem *item) | |
1147 | { | |
1148 | if ( item->GetKind() == wxITEM_RADIO ) | |
1149 | { | |
1150 | int count = GetMenuItemCount(); | |
1151 | ||
1152 | if ( m_startRadioGroup == -1 ) | |
1153 | { | |
1154 | // start a new radio group | |
1155 | m_startRadioGroup = count; | |
1156 | ||
1157 | // for now it has just one element | |
1158 | item->SetAsRadioGroupStart(); | |
1159 | item->SetRadioGroupEnd(m_startRadioGroup); | |
1160 | } | |
1161 | else // extend the current radio group | |
1162 | { | |
1163 | // we need to update its end item | |
1164 | item->SetRadioGroupStart(m_startRadioGroup); | |
1165 | wxMenuItemList::compatibility_iterator node = GetMenuItems().Item(m_startRadioGroup); | |
1166 | ||
1167 | if ( node ) | |
1168 | { | |
1169 | node->GetData()->SetRadioGroupEnd(count); | |
1170 | } | |
1171 | else | |
1172 | { | |
1173 | wxFAIL_MSG( _T("where is the radio group start item?") ); | |
1174 | } | |
1175 | } | |
1176 | } | |
1177 | else // not a radio item | |
1178 | { | |
1179 | EndRadioGroup(); | |
1180 | } | |
1181 | ||
1182 | if ( !wxMenuBase::DoAppend(item) ) | |
1183 | return NULL; | |
1184 | ||
1185 | OnItemAdded(item); | |
1186 | ||
1187 | return item; | |
1188 | } | |
1189 | ||
1190 | wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item) | |
1191 | { | |
1192 | if ( !wxMenuBase::DoInsert(pos, item) ) | |
1193 | return NULL; | |
1194 | ||
1195 | OnItemAdded(item); | |
1196 | ||
1197 | return item; | |
1198 | } | |
1199 | ||
1200 | wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) | |
1201 | { | |
1202 | wxMenuItem *itemOld = wxMenuBase::DoRemove(item); | |
1203 | ||
1204 | if ( itemOld ) | |
1205 | { | |
1206 | InvalidateGeometryInfo(); | |
1207 | ||
1208 | #if wxUSE_ACCEL | |
1209 | RemoveAccelFor(item); | |
1210 | #endif // wxUSE_ACCEL | |
1211 | } | |
1212 | ||
1213 | return itemOld; | |
1214 | } | |
1215 | ||
1216 | // ---------------------------------------------------------------------------- | |
1217 | // wxMenu attaching/detaching | |
1218 | // ---------------------------------------------------------------------------- | |
1219 | ||
1220 | void wxMenu::Attach(wxMenuBarBase *menubar) | |
1221 | { | |
1222 | wxMenuBase::Attach(menubar); | |
1223 | ||
1224 | wxCHECK_RET( m_menuBar, _T("menubar can't be NULL after attaching") ); | |
1225 | ||
1226 | // unfortunately, we can't use m_menuBar->GetEventHandler() here because, | |
1227 | // if the menubar is currently showing a menu, its event handler is a | |
1228 | // temporary one installed by wxPopupWindow and so will disappear soon any | |
1229 | // any attempts to use it from the newly attached menu would result in a | |
1230 | // crash | |
1231 | // | |
1232 | // so we use the menubar itself, even if it's a pity as it means we can't | |
1233 | // redirect all menu events by changing the menubar handler (FIXME) | |
1234 | SetNextHandler(m_menuBar); | |
1235 | } | |
1236 | ||
1237 | void wxMenu::Detach() | |
1238 | { | |
1239 | wxMenuBase::Detach(); | |
1240 | } | |
1241 | ||
1242 | // ---------------------------------------------------------------------------- | |
1243 | // wxMenu misc functions | |
1244 | // ---------------------------------------------------------------------------- | |
1245 | ||
1246 | wxWindow *wxMenu::GetRootWindow() const | |
1247 | { | |
1248 | if ( GetMenuBar() ) | |
1249 | { | |
1250 | // simple case - a normal menu attached to the menubar | |
1251 | return GetMenuBar(); | |
1252 | } | |
1253 | ||
1254 | // we're a popup menu but the trouble is that only the top level popup menu | |
1255 | // has a pointer to the invoking window, so we must walk up the menu chain | |
1256 | // if needed | |
1257 | wxWindow *win = GetInvokingWindow(); | |
1258 | if ( win ) | |
1259 | { | |
1260 | // we already have it | |
1261 | return win; | |
1262 | } | |
1263 | ||
1264 | wxMenu *menu = GetParent(); | |
1265 | while ( menu ) | |
1266 | { | |
1267 | // We are a submenu of a menu of a menubar | |
1268 | if (menu->GetMenuBar()) | |
1269 | return menu->GetMenuBar(); | |
1270 | ||
1271 | win = menu->GetInvokingWindow(); | |
1272 | if ( win ) | |
1273 | break; | |
1274 | ||
1275 | menu = menu->GetParent(); | |
1276 | } | |
1277 | ||
1278 | // we're probably going to crash in the caller anyhow, but try to detect | |
1279 | // this error as soon as possible | |
1280 | wxASSERT_MSG( win, _T("menu without any associated window?") ); | |
1281 | ||
1282 | // also remember it in this menu so that we don't have to search for it the | |
1283 | // next time | |
1284 | wxConstCast(this, wxMenu)->m_invokingWindow = win; | |
1285 | ||
1286 | return win; | |
1287 | } | |
1288 | ||
1289 | wxRenderer *wxMenu::GetRenderer() const | |
1290 | { | |
1291 | // we're going to crash without renderer! | |
1292 | wxCHECK_MSG( m_popupMenu, NULL, _T("neither popup nor menubar menu?") ); | |
1293 | ||
1294 | return m_popupMenu->GetRenderer(); | |
1295 | } | |
1296 | ||
1297 | void wxMenu::RefreshItem(wxMenuItem *item) | |
1298 | { | |
1299 | // the item geometry changed, so our might have changed as well | |
1300 | InvalidateGeometryInfo(); | |
1301 | ||
1302 | if ( IsShown() ) | |
1303 | { | |
1304 | // this would be a bug in IsShown() | |
1305 | wxCHECK_RET( m_popupMenu, _T("must have popup window if shown!") ); | |
1306 | ||
1307 | // recalc geometry to update the item height and such | |
1308 | (void)GetGeometryInfo(); | |
1309 | ||
1310 | m_popupMenu->RefreshItem(item); | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | // ---------------------------------------------------------------------------- | |
1315 | // wxMenu showing and hiding | |
1316 | // ---------------------------------------------------------------------------- | |
1317 | ||
1318 | bool wxMenu::IsShown() const | |
1319 | { | |
1320 | return m_popupMenu && m_popupMenu->IsShown(); | |
1321 | } | |
1322 | ||
1323 | void wxMenu::OnDismiss(bool dismissParent) | |
1324 | { | |
1325 | if ( m_menuParent ) | |
1326 | { | |
1327 | // always notify the parent about submenu disappearance | |
1328 | wxPopupMenuWindow *win = m_menuParent->m_popupMenu; | |
1329 | if ( win ) | |
1330 | { | |
1331 | win->OnSubmenuDismiss( true ); | |
1332 | } | |
1333 | else | |
1334 | { | |
1335 | wxFAIL_MSG( _T("parent menu not shown?") ); | |
1336 | } | |
1337 | ||
1338 | // and if we dismiss everything, propagate to parent | |
1339 | if ( dismissParent ) | |
1340 | { | |
1341 | // dismissParent is recursive | |
1342 | m_menuParent->Dismiss(); | |
1343 | m_menuParent->OnDismiss(true); | |
1344 | } | |
1345 | } | |
1346 | else // no parent menu | |
1347 | { | |
1348 | // notify the menu bar if we're a top level menu | |
1349 | if ( m_menuBar ) | |
1350 | { | |
1351 | m_menuBar->OnDismissMenu(dismissParent); | |
1352 | } | |
1353 | else // popup menu | |
1354 | { | |
1355 | wxCHECK_RET( m_invokingWindow, _T("what kind of menu is this?") ); | |
1356 | ||
1357 | m_invokingWindow->DismissPopupMenu(); | |
1358 | ||
1359 | // Why reset it here? We need it for sending the event to... | |
1360 | // SetInvokingWindow(NULL); | |
1361 | } | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | void wxMenu::Popup(const wxPoint& pos, const wxSize& size, bool selectFirst) | |
1366 | { | |
1367 | // create the popup window if not done yet | |
1368 | if ( !m_popupMenu ) | |
1369 | { | |
1370 | m_popupMenu = new wxPopupMenuWindow(GetRootWindow(), this); | |
1371 | } | |
1372 | ||
1373 | // select the first item unless disabled | |
1374 | if ( selectFirst ) | |
1375 | { | |
1376 | m_popupMenu->SelectFirst(); | |
1377 | } | |
1378 | ||
1379 | // the geometry might have changed since the last time we were shown, so | |
1380 | // always resize | |
1381 | m_popupMenu->SetClientSize(GetGeometryInfo().GetSize()); | |
1382 | ||
1383 | // position it as specified | |
1384 | m_popupMenu->Position(pos, size); | |
1385 | ||
1386 | // the menu can't have the focus itself (it is a Windows limitation), so | |
1387 | // always keep the focus at the originating window | |
1388 | wxWindow *focus = GetRootWindow(); | |
1389 | ||
1390 | wxASSERT_MSG( focus, _T("no window to keep focus on?") ); | |
1391 | ||
1392 | // and show it | |
1393 | m_popupMenu->Popup(focus); | |
1394 | } | |
1395 | ||
1396 | void wxMenu::Dismiss() | |
1397 | { | |
1398 | wxCHECK_RET( IsShown(), _T("can't dismiss hidden menu") ); | |
1399 | ||
1400 | m_popupMenu->Dismiss(); | |
1401 | } | |
1402 | ||
1403 | // ---------------------------------------------------------------------------- | |
1404 | // wxMenu event processing | |
1405 | // ---------------------------------------------------------------------------- | |
1406 | ||
1407 | bool wxMenu::ProcessKeyDown(int key) | |
1408 | { | |
1409 | wxCHECK_MSG( m_popupMenu, false, | |
1410 | _T("can't process key events if not shown") ); | |
1411 | ||
1412 | return m_popupMenu->ProcessKeyDown(key); | |
1413 | } | |
1414 | ||
1415 | bool wxMenu::ClickItem(wxMenuItem *item) | |
1416 | { | |
1417 | int isChecked; | |
1418 | if ( item->IsCheckable() ) | |
1419 | { | |
1420 | // update the item state | |
1421 | isChecked = !item->IsChecked(); | |
1422 | ||
1423 | item->Check(isChecked != 0); | |
1424 | } | |
1425 | else | |
1426 | { | |
1427 | // not applicabled | |
1428 | isChecked = -1; | |
1429 | } | |
1430 | ||
1431 | return SendEvent(item->GetId(), isChecked); | |
1432 | } | |
1433 | ||
1434 | // ---------------------------------------------------------------------------- | |
1435 | // wxMenu accel support | |
1436 | // ---------------------------------------------------------------------------- | |
1437 | ||
1438 | #if wxUSE_ACCEL | |
1439 | ||
1440 | bool wxMenu::ProcessAccelEvent(const wxKeyEvent& event) | |
1441 | { | |
1442 | // do we have an item for this accel? | |
1443 | wxMenuItem *item = m_accelTable.GetMenuItem(event); | |
1444 | if ( item && item->IsEnabled() ) | |
1445 | { | |
1446 | return ClickItem(item); | |
1447 | } | |
1448 | ||
1449 | // try our submenus | |
1450 | for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst(); | |
1451 | node; | |
1452 | node = node->GetNext() ) | |
1453 | { | |
1454 | const wxMenuItem *item = node->GetData(); | |
1455 | if ( item->IsSubMenu() && item->IsEnabled() ) | |
1456 | { | |
1457 | // try its elements | |
1458 | if ( item->GetSubMenu()->ProcessAccelEvent(event) ) | |
1459 | { | |
1460 | return true; | |
1461 | } | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | return false; | |
1466 | } | |
1467 | ||
1468 | void wxMenu::AddAccelFor(wxMenuItem *item) | |
1469 | { | |
1470 | wxAcceleratorEntry *accel = item->GetAccel(); | |
1471 | if ( accel ) | |
1472 | { | |
1473 | accel->SetMenuItem(item); | |
1474 | ||
1475 | m_accelTable.Add(*accel); | |
1476 | ||
1477 | delete accel; | |
1478 | } | |
1479 | } | |
1480 | ||
1481 | void wxMenu::RemoveAccelFor(wxMenuItem *item) | |
1482 | { | |
1483 | wxAcceleratorEntry *accel = item->GetAccel(); | |
1484 | if ( accel ) | |
1485 | { | |
1486 | m_accelTable.Remove(*accel); | |
1487 | ||
1488 | delete accel; | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | #endif // wxUSE_ACCEL | |
1493 | ||
1494 | // ---------------------------------------------------------------------------- | |
1495 | // wxMenuItem construction | |
1496 | // ---------------------------------------------------------------------------- | |
1497 | ||
1498 | wxMenuItem::wxMenuItem(wxMenu *parentMenu, | |
1499 | int id, | |
1500 | const wxString& text, | |
1501 | const wxString& help, | |
1502 | wxItemKind kind, | |
1503 | wxMenu *subMenu) | |
1504 | : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu) | |
1505 | { | |
1506 | m_posY = | |
1507 | m_height = wxDefaultCoord; | |
1508 | ||
1509 | m_radioGroup.start = -1; | |
1510 | m_isRadioGroupStart = false; | |
1511 | ||
1512 | m_bmpDisabled = wxNullBitmap; | |
1513 | ||
1514 | UpdateAccelInfo(); | |
1515 | } | |
1516 | ||
1517 | wxMenuItem::~wxMenuItem() | |
1518 | { | |
1519 | } | |
1520 | ||
1521 | // ---------------------------------------------------------------------------- | |
1522 | // wxMenuItemBase methods implemented here | |
1523 | // ---------------------------------------------------------------------------- | |
1524 | ||
1525 | /* static */ | |
1526 | wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu, | |
1527 | int id, | |
1528 | const wxString& name, | |
1529 | const wxString& help, | |
1530 | wxItemKind kind, | |
1531 | wxMenu *subMenu) | |
1532 | { | |
1533 | return new wxMenuItem(parentMenu, id, name, help, kind, subMenu); | |
1534 | } | |
1535 | ||
1536 | /* static */ | |
1537 | wxString wxMenuItemBase::GetLabelFromText(const wxString& text) | |
1538 | { | |
1539 | return wxStripMenuCodes(text); | |
1540 | } | |
1541 | ||
1542 | // ---------------------------------------------------------------------------- | |
1543 | // wxMenuItem operations | |
1544 | // ---------------------------------------------------------------------------- | |
1545 | ||
1546 | void wxMenuItem::NotifyMenu() | |
1547 | { | |
1548 | m_parentMenu->RefreshItem(this); | |
1549 | } | |
1550 | ||
1551 | void wxMenuItem::UpdateAccelInfo() | |
1552 | { | |
1553 | m_indexAccel = wxControl::FindAccelIndex(m_text); | |
1554 | ||
1555 | // will be empty if the text contains no TABs - ok | |
1556 | m_strAccel = m_text.AfterFirst(_T('\t')); | |
1557 | } | |
1558 | ||
1559 | void wxMenuItem::SetText(const wxString& text) | |
1560 | { | |
1561 | if ( text != m_text ) | |
1562 | { | |
1563 | // first call the base class version to change m_text | |
1564 | wxMenuItemBase::SetText(text); | |
1565 | ||
1566 | UpdateAccelInfo(); | |
1567 | ||
1568 | NotifyMenu(); | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | void wxMenuItem::SetCheckable(bool checkable) | |
1573 | { | |
1574 | if ( checkable != IsCheckable() ) | |
1575 | { | |
1576 | wxMenuItemBase::SetCheckable(checkable); | |
1577 | ||
1578 | NotifyMenu(); | |
1579 | } | |
1580 | } | |
1581 | ||
1582 | void wxMenuItem::SetBitmaps(const wxBitmap& bmpChecked, | |
1583 | const wxBitmap& bmpUnchecked) | |
1584 | { | |
1585 | m_bmpChecked = bmpChecked; | |
1586 | m_bmpUnchecked = bmpUnchecked; | |
1587 | ||
1588 | NotifyMenu(); | |
1589 | } | |
1590 | ||
1591 | void wxMenuItem::Enable(bool enable) | |
1592 | { | |
1593 | if ( enable != m_isEnabled ) | |
1594 | { | |
1595 | wxMenuItemBase::Enable(enable); | |
1596 | ||
1597 | NotifyMenu(); | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | void wxMenuItem::Check(bool check) | |
1602 | { | |
1603 | wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") ); | |
1604 | ||
1605 | if ( m_isChecked == check ) | |
1606 | return; | |
1607 | ||
1608 | if ( GetKind() == wxITEM_RADIO ) | |
1609 | { | |
1610 | // it doesn't make sense to uncheck a radio item - what would this do? | |
1611 | if ( !check ) | |
1612 | return; | |
1613 | ||
1614 | // get the index of this item in the menu | |
1615 | const wxMenuItemList& items = m_parentMenu->GetMenuItems(); | |
1616 | int pos = items.IndexOf(this); | |
1617 | wxCHECK_RET( pos != wxNOT_FOUND, | |
1618 | _T("menuitem not found in the menu items list?") ); | |
1619 | ||
1620 | // get the radio group range | |
1621 | int start, | |
1622 | end; | |
1623 | ||
1624 | if ( m_isRadioGroupStart ) | |
1625 | { | |
1626 | // we already have all information we need | |
1627 | start = pos; | |
1628 | end = m_radioGroup.end; | |
1629 | } | |
1630 | else // next radio group item | |
1631 | { | |
1632 | // get the radio group end from the start item | |
1633 | start = m_radioGroup.start; | |
1634 | end = items.Item(start)->GetData()->m_radioGroup.end; | |
1635 | } | |
1636 | ||
1637 | // also uncheck all the other items in this radio group | |
1638 | wxMenuItemList::compatibility_iterator node = items.Item(start); | |
1639 | for ( int n = start; n <= end && node; n++ ) | |
1640 | { | |
1641 | if ( n != pos ) | |
1642 | { | |
1643 | node->GetData()->m_isChecked = false; | |
1644 | } | |
1645 | node = node->GetNext(); | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | wxMenuItemBase::Check(check); | |
1650 | ||
1651 | NotifyMenu(); | |
1652 | } | |
1653 | ||
1654 | // radio group stuff | |
1655 | // ----------------- | |
1656 | ||
1657 | void wxMenuItem::SetAsRadioGroupStart() | |
1658 | { | |
1659 | m_isRadioGroupStart = true; | |
1660 | } | |
1661 | ||
1662 | void wxMenuItem::SetRadioGroupStart(int start) | |
1663 | { | |
1664 | wxASSERT_MSG( !m_isRadioGroupStart, | |
1665 | _T("should only be called for the next radio items") ); | |
1666 | ||
1667 | m_radioGroup.start = start; | |
1668 | } | |
1669 | ||
1670 | void wxMenuItem::SetRadioGroupEnd(int end) | |
1671 | { | |
1672 | wxASSERT_MSG( m_isRadioGroupStart, | |
1673 | _T("should only be called for the first radio item") ); | |
1674 | ||
1675 | m_radioGroup.end = end; | |
1676 | } | |
1677 | ||
1678 | // ---------------------------------------------------------------------------- | |
1679 | // wxMenuBar creation | |
1680 | // ---------------------------------------------------------------------------- | |
1681 | ||
1682 | void wxMenuBar::Init() | |
1683 | { | |
1684 | m_frameLast = NULL; | |
1685 | ||
1686 | m_current = -1; | |
1687 | ||
1688 | m_menuShown = NULL; | |
1689 | ||
1690 | m_shouldShowMenu = false; | |
1691 | } | |
1692 | ||
1693 | wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long WXUNUSED(style)) | |
1694 | { | |
1695 | Init(); | |
1696 | ||
1697 | for (size_t i = 0; i < n; ++i ) | |
1698 | Append(menus[i], titles[i]); | |
1699 | } | |
1700 | ||
1701 | void wxMenuBar::Attach(wxFrame *frame) | |
1702 | { | |
1703 | // maybe you really wanted to call Detach()? | |
1704 | wxCHECK_RET( frame, _T("wxMenuBar::Attach(NULL) called") ); | |
1705 | ||
1706 | wxMenuBarBase::Attach(frame); | |
1707 | ||
1708 | if ( IsCreated() ) | |
1709 | { | |
1710 | // reparent if necessary | |
1711 | if ( m_frameLast != frame ) | |
1712 | { | |
1713 | Reparent(frame); | |
1714 | } | |
1715 | ||
1716 | // show it back - was hidden by Detach() | |
1717 | Show(); | |
1718 | } | |
1719 | else // not created yet, do it now | |
1720 | { | |
1721 | // we have no way to return the error from here anyhow :-( | |
1722 | (void)Create(frame, wxID_ANY); | |
1723 | ||
1724 | SetCursor(wxCURSOR_ARROW); | |
1725 | ||
1726 | SetFont(wxSystemSettings::GetFont(wxSYS_SYSTEM_FONT)); | |
1727 | ||
1728 | // calculate and set our height (it won't be changed any more) | |
1729 | SetSize(wxDefaultCoord, GetBestSize().y); | |
1730 | } | |
1731 | ||
1732 | // remember the last frame which had us to avoid unnecessarily reparenting | |
1733 | // above | |
1734 | m_frameLast = frame; | |
1735 | } | |
1736 | ||
1737 | void wxMenuBar::Detach() | |
1738 | { | |
1739 | // don't delete the window because we may be reattached later, just hide it | |
1740 | if ( m_frameLast ) | |
1741 | { | |
1742 | Hide(); | |
1743 | } | |
1744 | ||
1745 | wxMenuBarBase::Detach(); | |
1746 | } | |
1747 | ||
1748 | wxMenuBar::~wxMenuBar() | |
1749 | { | |
1750 | } | |
1751 | ||
1752 | // ---------------------------------------------------------------------------- | |
1753 | // wxMenuBar adding/removing items | |
1754 | // ---------------------------------------------------------------------------- | |
1755 | ||
1756 | bool wxMenuBar::Append(wxMenu *menu, const wxString& title) | |
1757 | { | |
1758 | return Insert(GetCount(), menu, title); | |
1759 | } | |
1760 | ||
1761 | bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title) | |
1762 | { | |
1763 | if ( !wxMenuBarBase::Insert(pos, menu, title) ) | |
1764 | return false; | |
1765 | ||
1766 | wxMenuInfo *info = new wxMenuInfo(title); | |
1767 | m_menuInfos.Insert(info, pos); | |
1768 | ||
1769 | RefreshAllItemsAfter(pos); | |
1770 | ||
1771 | return true; | |
1772 | } | |
1773 | ||
1774 | wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title) | |
1775 | { | |
1776 | wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title); | |
1777 | ||
1778 | if ( menuOld ) | |
1779 | { | |
1780 | wxMenuInfo& info = m_menuInfos[pos]; | |
1781 | ||
1782 | info.SetLabel(title); | |
1783 | ||
1784 | // even if the old menu was disabled, the new one is not any more | |
1785 | info.SetEnabled(); | |
1786 | ||
1787 | // even if we change only this one, the new label has different width, | |
1788 | // so we need to refresh everything beyond this item as well | |
1789 | RefreshAllItemsAfter(pos); | |
1790 | } | |
1791 | ||
1792 | return menuOld; | |
1793 | } | |
1794 | ||
1795 | wxMenu *wxMenuBar::Remove(size_t pos) | |
1796 | { | |
1797 | wxMenu *menuOld = wxMenuBarBase::Remove(pos); | |
1798 | ||
1799 | if ( menuOld ) | |
1800 | { | |
1801 | m_menuInfos.RemoveAt(pos); | |
1802 | ||
1803 | // this doesn't happen too often, so don't try to be too smart - just | |
1804 | // refresh everything | |
1805 | Refresh(); | |
1806 | } | |
1807 | ||
1808 | return menuOld; | |
1809 | } | |
1810 | ||
1811 | // ---------------------------------------------------------------------------- | |
1812 | // wxMenuBar top level menus access | |
1813 | // ---------------------------------------------------------------------------- | |
1814 | ||
1815 | wxCoord wxMenuBar::GetItemWidth(size_t pos) const | |
1816 | { | |
1817 | return m_menuInfos[pos].GetWidth(wxConstCast(this, wxMenuBar)); | |
1818 | } | |
1819 | ||
1820 | void wxMenuBar::EnableTop(size_t pos, bool enable) | |
1821 | { | |
1822 | wxCHECK_RET( pos < GetCount(), _T("invalid index in EnableTop") ); | |
1823 | ||
1824 | if ( enable != m_menuInfos[pos].IsEnabled() ) | |
1825 | { | |
1826 | m_menuInfos[pos].SetEnabled(enable); | |
1827 | ||
1828 | RefreshItem(pos); | |
1829 | } | |
1830 | //else: nothing to do | |
1831 | } | |
1832 | ||
1833 | bool wxMenuBar::IsEnabledTop(size_t pos) const | |
1834 | { | |
1835 | wxCHECK_MSG( pos < GetCount(), false, _T("invalid index in IsEnabledTop") ); | |
1836 | ||
1837 | return m_menuInfos[pos].IsEnabled(); | |
1838 | } | |
1839 | ||
1840 | void wxMenuBar::SetLabelTop(size_t pos, const wxString& label) | |
1841 | { | |
1842 | wxCHECK_RET( pos < GetCount(), _T("invalid index in EnableTop") ); | |
1843 | ||
1844 | if ( label != m_menuInfos[pos].GetLabel() ) | |
1845 | { | |
1846 | m_menuInfos[pos].SetLabel(label); | |
1847 | ||
1848 | RefreshItem(pos); | |
1849 | } | |
1850 | //else: nothing to do | |
1851 | } | |
1852 | ||
1853 | wxString wxMenuBar::GetLabelTop(size_t pos) const | |
1854 | { | |
1855 | wxCHECK_MSG( pos < GetCount(), wxEmptyString, _T("invalid index in GetLabelTop") ); | |
1856 | ||
1857 | return m_menuInfos[pos].GetLabel(); | |
1858 | } | |
1859 | ||
1860 | // ---------------------------------------------------------------------------- | |
1861 | // wxMenuBar drawing | |
1862 | // ---------------------------------------------------------------------------- | |
1863 | ||
1864 | void wxMenuBar::RefreshAllItemsAfter(size_t pos) | |
1865 | { | |
1866 | if ( !IsCreated() ) | |
1867 | { | |
1868 | // no need to refresh if nothing is shown yet | |
1869 | return; | |
1870 | } | |
1871 | ||
1872 | wxRect rect = GetItemRect(pos); | |
1873 | rect.width = GetClientSize().x - rect.x; | |
1874 | RefreshRect(rect); | |
1875 | } | |
1876 | ||
1877 | void wxMenuBar::RefreshItem(size_t pos) | |
1878 | { | |
1879 | wxCHECK_RET( pos != (size_t)-1, | |
1880 | _T("invalid item in wxMenuBar::RefreshItem") ); | |
1881 | ||
1882 | if ( !IsCreated() ) | |
1883 | { | |
1884 | // no need to refresh if nothing is shown yet | |
1885 | return; | |
1886 | } | |
1887 | ||
1888 | RefreshRect(GetItemRect(pos)); | |
1889 | } | |
1890 | ||
1891 | void wxMenuBar::DoDraw(wxControlRenderer *renderer) | |
1892 | { | |
1893 | wxDC& dc = renderer->GetDC(); | |
1894 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
1895 | ||
1896 | // redraw only the items which must be redrawn | |
1897 | ||
1898 | // we don't have to use GetUpdateClientRect() here because our client rect | |
1899 | // is the same as total one | |
1900 | wxRect rectUpdate = GetUpdateRegion().GetBox(); | |
1901 | ||
1902 | int flagsMenubar = GetStateFlags(); | |
1903 | ||
1904 | wxRect rect; | |
1905 | rect.y = 0; | |
1906 | rect.height = GetClientSize().y; | |
1907 | ||
1908 | wxCoord x = 0; | |
1909 | size_t count = GetCount(); | |
1910 | for ( size_t n = 0; n < count; n++ ) | |
1911 | { | |
1912 | if ( x > rectUpdate.GetRight() ) | |
1913 | { | |
1914 | // all remaining items are to the right of rectUpdate | |
1915 | break; | |
1916 | } | |
1917 | ||
1918 | rect.x = x; | |
1919 | rect.width = GetItemWidth(n); | |
1920 | x += rect.width; | |
1921 | if ( x < rectUpdate.x ) | |
1922 | { | |
1923 | // this item is still to the left of rectUpdate | |
1924 | continue; | |
1925 | } | |
1926 | ||
1927 | int flags = flagsMenubar; | |
1928 | if ( m_current != -1 && n == (size_t)m_current ) | |
1929 | { | |
1930 | flags |= wxCONTROL_SELECTED; | |
1931 | } | |
1932 | ||
1933 | if ( !IsEnabledTop(n) ) | |
1934 | { | |
1935 | flags |= wxCONTROL_DISABLED; | |
1936 | } | |
1937 | ||
1938 | GetRenderer()->DrawMenuBarItem | |
1939 | ( | |
1940 | dc, | |
1941 | rect, | |
1942 | m_menuInfos[n].GetLabel(), | |
1943 | flags, | |
1944 | m_menuInfos[n].GetAccelIndex() | |
1945 | ); | |
1946 | } | |
1947 | } | |
1948 | ||
1949 | // ---------------------------------------------------------------------------- | |
1950 | // wxMenuBar geometry | |
1951 | // ---------------------------------------------------------------------------- | |
1952 | ||
1953 | wxRect wxMenuBar::GetItemRect(size_t pos) const | |
1954 | { | |
1955 | wxASSERT_MSG( pos < GetCount(), _T("invalid menu bar item index") ); | |
1956 | wxASSERT_MSG( IsCreated(), _T("can't call this method yet") ); | |
1957 | ||
1958 | wxRect rect; | |
1959 | rect.x = | |
1960 | rect.y = 0; | |
1961 | rect.height = GetClientSize().y; | |
1962 | ||
1963 | for ( size_t n = 0; n < pos; n++ ) | |
1964 | { | |
1965 | rect.x += GetItemWidth(n); | |
1966 | } | |
1967 | ||
1968 | rect.width = GetItemWidth(pos); | |
1969 | ||
1970 | return rect; | |
1971 | } | |
1972 | ||
1973 | wxSize wxMenuBar::DoGetBestClientSize() const | |
1974 | { | |
1975 | wxSize size; | |
1976 | if ( GetMenuCount() > 0 ) | |
1977 | { | |
1978 | wxClientDC dc(wxConstCast(this, wxMenuBar)); | |
1979 | dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); | |
1980 | dc.GetTextExtent(GetLabelTop(0), &size.x, &size.y); | |
1981 | ||
1982 | // adjust for the renderer we use | |
1983 | size = GetRenderer()->GetMenuBarItemSize(size); | |
1984 | } | |
1985 | else // empty menubar | |
1986 | { | |
1987 | size.x = | |
1988 | size.y = 0; | |
1989 | } | |
1990 | ||
1991 | // the width is arbitrary, of course, for horizontal menubar | |
1992 | size.x = 100; | |
1993 | ||
1994 | return size; | |
1995 | } | |
1996 | ||
1997 | int wxMenuBar::GetMenuFromPoint(const wxPoint& pos) const | |
1998 | { | |
1999 | if ( pos.x < 0 || pos.y < 0 || pos.y > GetClientSize().y ) | |
2000 | return -1; | |
2001 | ||
2002 | // do find it | |
2003 | wxCoord x = 0; | |
2004 | size_t count = GetCount(); | |
2005 | for ( size_t item = 0; item < count; item++ ) | |
2006 | { | |
2007 | x += GetItemWidth(item); | |
2008 | ||
2009 | if ( x > pos.x ) | |
2010 | { | |
2011 | return item; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | // to the right of the last menu item | |
2016 | return -1; | |
2017 | } | |
2018 | ||
2019 | // ---------------------------------------------------------------------------- | |
2020 | // wxMenuBar menu operations | |
2021 | // ---------------------------------------------------------------------------- | |
2022 | ||
2023 | void wxMenuBar::SelectMenu(size_t pos) | |
2024 | { | |
2025 | SetFocus(); | |
2026 | wxLogTrace(_T("mousecapture"), _T("Capturing mouse from wxMenuBar::SelectMenu")); | |
2027 | CaptureMouse(); | |
2028 | ||
2029 | DoSelectMenu(pos); | |
2030 | } | |
2031 | ||
2032 | void wxMenuBar::DoSelectMenu(size_t pos) | |
2033 | { | |
2034 | wxCHECK_RET( pos < GetCount(), _T("invalid menu index in DoSelectMenu") ); | |
2035 | ||
2036 | int posOld = m_current; | |
2037 | ||
2038 | m_current = pos; | |
2039 | ||
2040 | if ( posOld != -1 ) | |
2041 | { | |
2042 | // close the previous menu | |
2043 | if ( IsShowingMenu() ) | |
2044 | { | |
2045 | // restore m_shouldShowMenu flag after DismissMenu() which resets | |
2046 | // it to false | |
2047 | bool old = m_shouldShowMenu; | |
2048 | ||
2049 | DismissMenu(); | |
2050 | ||
2051 | m_shouldShowMenu = old; | |
2052 | } | |
2053 | ||
2054 | RefreshItem((size_t)posOld); | |
2055 | } | |
2056 | ||
2057 | RefreshItem(pos); | |
2058 | } | |
2059 | ||
2060 | void wxMenuBar::PopupMenu(size_t pos) | |
2061 | { | |
2062 | wxCHECK_RET( pos < GetCount(), _T("invalid menu index in PopupCurrentMenu") ); | |
2063 | ||
2064 | SetFocus(); | |
2065 | DoSelectMenu(pos); | |
2066 | PopupCurrentMenu(); | |
2067 | } | |
2068 | ||
2069 | // ---------------------------------------------------------------------------- | |
2070 | // wxMenuBar input handing | |
2071 | // ---------------------------------------------------------------------------- | |
2072 | ||
2073 | /* | |
2074 | Note that wxMenuBar doesn't use wxInputHandler but handles keyboard and | |
2075 | mouse in the same way under all platforms. This is because it doesn't derive | |
2076 | from wxControl (which works with input handlers) but directly from wxWindow. | |
2077 | ||
2078 | Also, menu bar input handling is rather simple, so maybe it's not really | |
2079 | worth making it themeable - at least I've decided against doing it now as it | |
2080 | would merging the changes back into trunk more difficult. But it still could | |
2081 | be done later if really needed. | |
2082 | */ | |
2083 | ||
2084 | void wxMenuBar::OnKillFocus(wxFocusEvent& event) | |
2085 | { | |
2086 | if ( m_current != -1 ) | |
2087 | { | |
2088 | RefreshItem((size_t)m_current); | |
2089 | ||
2090 | m_current = -1; | |
2091 | } | |
2092 | ||
2093 | event.Skip(); | |
2094 | } | |
2095 | ||
2096 | void wxMenuBar::OnLeftDown(wxMouseEvent& event) | |
2097 | { | |
2098 | if ( HasCapture() ) | |
2099 | { | |
2100 | OnDismiss(); | |
2101 | ||
2102 | event.Skip(); | |
2103 | } | |
2104 | else // we didn't have mouse capture, capture it now | |
2105 | { | |
2106 | m_current = GetMenuFromPoint(event.GetPosition()); | |
2107 | if ( m_current == -1 ) | |
2108 | { | |
2109 | // unfortunately, we can't prevent wxMSW from giving us the focus, | |
2110 | // so we can only give it back | |
2111 | GiveAwayFocus(); | |
2112 | } | |
2113 | else // on item | |
2114 | { | |
2115 | wxLogTrace(_T("mousecapture"), _T("Capturing mouse from wxMenuBar::OnLeftDown")); | |
2116 | CaptureMouse(); | |
2117 | ||
2118 | // show it as selected | |
2119 | RefreshItem((size_t)m_current); | |
2120 | ||
2121 | // show the menu | |
2122 | PopupCurrentMenu(false /* don't select first item - as Windows does */); | |
2123 | } | |
2124 | } | |
2125 | } | |
2126 | ||
2127 | void wxMenuBar::OnMouseMove(wxMouseEvent& event) | |
2128 | { | |
2129 | if ( HasCapture() ) | |
2130 | { | |
2131 | (void)ProcessMouseEvent(event.GetPosition()); | |
2132 | } | |
2133 | else | |
2134 | { | |
2135 | event.Skip(); | |
2136 | } | |
2137 | } | |
2138 | ||
2139 | bool wxMenuBar::ProcessMouseEvent(const wxPoint& pt) | |
2140 | { | |
2141 | // a hack to ignore the extra mouse events MSW sends us: this is similar to | |
2142 | // wxUSE_MOUSEEVENT_HACK in wxWin itself but it isn't enough for us here as | |
2143 | // we get the messages from different windows (old and new popup menus for | |
2144 | // example) | |
2145 | #ifdef __WXMSW__ | |
2146 | static wxPoint s_ptLast; | |
2147 | if ( pt == s_ptLast ) | |
2148 | { | |
2149 | return false; | |
2150 | } | |
2151 | ||
2152 | s_ptLast = pt; | |
2153 | #endif // __WXMSW__ | |
2154 | ||
2155 | int currentNew = GetMenuFromPoint(pt); | |
2156 | if ( (currentNew == -1) || (currentNew == m_current) ) | |
2157 | { | |
2158 | return false; | |
2159 | } | |
2160 | ||
2161 | // select the new active item | |
2162 | DoSelectMenu(currentNew); | |
2163 | ||
2164 | // show the menu if we know that we should, even if we hadn't been showing | |
2165 | // it before (this may happen if the previous menu was disabled) | |
2166 | if ( m_shouldShowMenu && !m_menuShown) | |
2167 | { | |
2168 | // open the new menu if the old one we closed had been opened | |
2169 | PopupCurrentMenu(false /* don't select first item - as Windows does */); | |
2170 | } | |
2171 | ||
2172 | return true; | |
2173 | } | |
2174 | ||
2175 | void wxMenuBar::OnKeyDown(wxKeyEvent& event) | |
2176 | { | |
2177 | // ensure that we have a current item - we might not have it if we're | |
2178 | // given the focus with Alt or F10 press (and under GTK+ the menubar | |
2179 | // somehow gets the keyboard events even when it doesn't have focus...) | |
2180 | if ( m_current == -1 ) | |
2181 | { | |
2182 | if ( !HasCapture() ) | |
2183 | { | |
2184 | SelectMenu(0); | |
2185 | } | |
2186 | else // we do have capture | |
2187 | { | |
2188 | // we always maintain a valid current item while we're in modal | |
2189 | // state (i.e. have the capture) | |
2190 | wxFAIL_MSG( _T("how did we manage to lose current item?") ); | |
2191 | ||
2192 | return; | |
2193 | } | |
2194 | } | |
2195 | ||
2196 | int key = event.GetKeyCode(); | |
2197 | ||
2198 | // first let the menu have it | |
2199 | if ( IsShowingMenu() && m_menuShown->ProcessKeyDown(key) ) | |
2200 | { | |
2201 | return; | |
2202 | } | |
2203 | ||
2204 | // cycle through the menu items when left/right arrows are pressed and open | |
2205 | // the menu when up/down one is | |
2206 | switch ( key ) | |
2207 | { | |
2208 | case WXK_ALT: | |
2209 | // Alt must be processed at wxWindow level too | |
2210 | event.Skip(); | |
2211 | // fall through | |
2212 | ||
2213 | case WXK_ESCAPE: | |
2214 | // remove the selection and give the focus away | |
2215 | if ( m_current != -1 ) | |
2216 | { | |
2217 | if ( IsShowingMenu() ) | |
2218 | { | |
2219 | DismissMenu(); | |
2220 | } | |
2221 | ||
2222 | OnDismiss(); | |
2223 | } | |
2224 | break; | |
2225 | ||
2226 | case WXK_LEFT: | |
2227 | case WXK_RIGHT: | |
2228 | { | |
2229 | size_t count = GetCount(); | |
2230 | if ( count == 1 ) | |
2231 | { | |
2232 | // the item won't change anyhow | |
2233 | break; | |
2234 | } | |
2235 | //else: otherwise, it will | |
2236 | ||
2237 | // remember if we were showing a menu - if we did, we should | |
2238 | // show the new menu after changing the item | |
2239 | bool wasMenuOpened = IsShowingMenu(); | |
2240 | if ( wasMenuOpened ) | |
2241 | { | |
2242 | DismissMenu(); | |
2243 | } | |
2244 | ||
2245 | // cast is safe as we tested for -1 above | |
2246 | size_t currentNew = (size_t)m_current; | |
2247 | ||
2248 | if ( key == WXK_LEFT ) | |
2249 | { | |
2250 | if ( currentNew-- == 0 ) | |
2251 | currentNew = count - 1; | |
2252 | } | |
2253 | else // right | |
2254 | { | |
2255 | if ( ++currentNew == count ) | |
2256 | currentNew = 0; | |
2257 | } | |
2258 | ||
2259 | DoSelectMenu(currentNew); | |
2260 | ||
2261 | if ( wasMenuOpened ) | |
2262 | { | |
2263 | PopupCurrentMenu(); | |
2264 | } | |
2265 | } | |
2266 | break; | |
2267 | ||
2268 | case WXK_DOWN: | |
2269 | case WXK_UP: | |
2270 | case WXK_RETURN: | |
2271 | // open the menu | |
2272 | PopupCurrentMenu(); | |
2273 | break; | |
2274 | ||
2275 | default: | |
2276 | // letters open the corresponding menu | |
2277 | { | |
2278 | bool unique; | |
2279 | int idxFound = FindNextItemForAccel(m_current, key, &unique); | |
2280 | ||
2281 | if ( idxFound != -1 ) | |
2282 | { | |
2283 | if ( IsShowingMenu() ) | |
2284 | { | |
2285 | DismissMenu(); | |
2286 | } | |
2287 | ||
2288 | DoSelectMenu((size_t)idxFound); | |
2289 | ||
2290 | // if the item is not unique, just select it but don't | |
2291 | // activate as the user might have wanted to activate | |
2292 | // another item | |
2293 | // | |
2294 | // also, don't try to open a disabled menu | |
2295 | if ( unique && IsEnabledTop((size_t)idxFound) ) | |
2296 | { | |
2297 | // open the menu | |
2298 | PopupCurrentMenu(); | |
2299 | } | |
2300 | ||
2301 | // skip the "event.Skip()" below | |
2302 | break; | |
2303 | } | |
2304 | } | |
2305 | ||
2306 | event.Skip(); | |
2307 | } | |
2308 | } | |
2309 | ||
2310 | // ---------------------------------------------------------------------------- | |
2311 | // wxMenuBar accel handling | |
2312 | // ---------------------------------------------------------------------------- | |
2313 | ||
2314 | int wxMenuBar::FindNextItemForAccel(int idxStart, int key, bool *unique) const | |
2315 | { | |
2316 | if ( !wxIsalnum((wxChar)key) ) | |
2317 | { | |
2318 | // we only support letters/digits as accels | |
2319 | return -1; | |
2320 | } | |
2321 | ||
2322 | // do we have more than one item with this accel? | |
2323 | if ( unique ) | |
2324 | *unique = true; | |
2325 | ||
2326 | // translate everything to lower case before comparing | |
2327 | wxChar chAccel = (wxChar)wxTolower(key); | |
2328 | ||
2329 | // the index of the item with this accel | |
2330 | int idxFound = -1; | |
2331 | ||
2332 | // loop through all items searching for the item with this | |
2333 | // accel starting at the item after the current one | |
2334 | int count = GetCount(); | |
2335 | int n = idxStart == -1 ? 0 : idxStart + 1; | |
2336 | ||
2337 | if ( n == count ) | |
2338 | { | |
2339 | // wrap | |
2340 | n = 0; | |
2341 | } | |
2342 | ||
2343 | idxStart = n; | |
2344 | for ( ;; ) | |
2345 | { | |
2346 | const wxMenuInfo& info = m_menuInfos[n]; | |
2347 | ||
2348 | int idxAccel = info.GetAccelIndex(); | |
2349 | if ( idxAccel != -1 && | |
2350 | wxTolower(info.GetLabel()[(size_t)idxAccel]) | |
2351 | == chAccel ) | |
2352 | { | |
2353 | // ok, found an item with this accel | |
2354 | if ( idxFound == -1 ) | |
2355 | { | |
2356 | // store it but continue searching as we need to | |
2357 | // know if it's the only item with this accel or if | |
2358 | // there are more | |
2359 | idxFound = n; | |
2360 | } | |
2361 | else // we already had found such item | |
2362 | { | |
2363 | if ( unique ) | |
2364 | *unique = false; | |
2365 | ||
2366 | // no need to continue further, we won't find | |
2367 | // anything we don't already know | |
2368 | break; | |
2369 | } | |
2370 | } | |
2371 | ||
2372 | // we want to iterate over all items wrapping around if | |
2373 | // necessary | |
2374 | if ( ++n == count ) | |
2375 | { | |
2376 | // wrap | |
2377 | n = 0; | |
2378 | } | |
2379 | ||
2380 | if ( n == idxStart ) | |
2381 | { | |
2382 | // we've seen all items | |
2383 | break; | |
2384 | } | |
2385 | } | |
2386 | ||
2387 | return idxFound; | |
2388 | } | |
2389 | ||
2390 | #if wxUSE_ACCEL | |
2391 | ||
2392 | bool wxMenuBar::ProcessAccelEvent(const wxKeyEvent& event) | |
2393 | { | |
2394 | size_t n = 0; | |
2395 | for ( wxMenuList::compatibility_iterator node = m_menus.GetFirst(); | |
2396 | node; | |
2397 | node = node->GetNext(), n++ ) | |
2398 | { | |
2399 | // accels of the items in the disabled menus shouldn't work | |
2400 | if ( m_menuInfos[n].IsEnabled() ) | |
2401 | { | |
2402 | if ( node->GetData()->ProcessAccelEvent(event) ) | |
2403 | { | |
2404 | // menu processed it | |
2405 | return true; | |
2406 | } | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | // not found | |
2411 | return false; | |
2412 | } | |
2413 | ||
2414 | #endif // wxUSE_ACCEL | |
2415 | ||
2416 | // ---------------------------------------------------------------------------- | |
2417 | // wxMenuBar menus showing | |
2418 | // ---------------------------------------------------------------------------- | |
2419 | ||
2420 | void wxMenuBar::PopupCurrentMenu(bool selectFirst) | |
2421 | { | |
2422 | wxCHECK_RET( m_current != -1, _T("no menu to popup") ); | |
2423 | ||
2424 | // forgot to call DismissMenu()? | |
2425 | wxASSERT_MSG( !m_menuShown, _T("shouldn't show two menus at once!") ); | |
2426 | ||
2427 | // in any case, we should show it - even if we won't | |
2428 | m_shouldShowMenu = true; | |
2429 | ||
2430 | if ( IsEnabledTop(m_current) ) | |
2431 | { | |
2432 | // remember the menu we show | |
2433 | m_menuShown = GetMenu(m_current); | |
2434 | ||
2435 | // we don't show the menu at all if it has no items | |
2436 | if ( !m_menuShown->IsEmpty() ) | |
2437 | { | |
2438 | // position it correctly: note that we must use screen coords and | |
2439 | // that we pass 0 as width to position the menu exactly below the | |
2440 | // item, not to the right of it | |
2441 | wxRect rectItem = GetItemRect(m_current); | |
2442 | ||
2443 | m_menuShown->SetInvokingWindow(m_frameLast); | |
2444 | ||
2445 | m_menuShown->Popup(ClientToScreen(rectItem.GetPosition()), | |
2446 | wxSize(0, rectItem.GetHeight()), | |
2447 | selectFirst); | |
2448 | } | |
2449 | else | |
2450 | { | |
2451 | // reset it back as no menu is shown | |
2452 | m_menuShown = NULL; | |
2453 | } | |
2454 | } | |
2455 | //else: don't show disabled menu | |
2456 | } | |
2457 | ||
2458 | void wxMenuBar::DismissMenu() | |
2459 | { | |
2460 | wxCHECK_RET( m_menuShown, _T("can't dismiss menu if none is shown") ); | |
2461 | ||
2462 | m_menuShown->Dismiss(); | |
2463 | OnDismissMenu(); | |
2464 | } | |
2465 | ||
2466 | void wxMenuBar::OnDismissMenu(bool dismissMenuBar) | |
2467 | { | |
2468 | m_shouldShowMenu = false; | |
2469 | m_menuShown = NULL; | |
2470 | if ( dismissMenuBar ) | |
2471 | { | |
2472 | OnDismiss(); | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | void wxMenuBar::OnDismiss() | |
2477 | { | |
2478 | if ( ReleaseMouseCapture() ) | |
2479 | wxLogTrace(_T("mousecapture"), _T("Releasing mouse from wxMenuBar::OnDismiss")); | |
2480 | ||
2481 | if ( m_current != -1 ) | |
2482 | { | |
2483 | size_t current = m_current; | |
2484 | m_current = -1; | |
2485 | ||
2486 | RefreshItem(current); | |
2487 | } | |
2488 | ||
2489 | GiveAwayFocus(); | |
2490 | } | |
2491 | ||
2492 | bool wxMenuBar::ReleaseMouseCapture() | |
2493 | { | |
2494 | #if __WXX11__ | |
2495 | // With wxX11, when a menu is closed by clicking away from it, a control | |
2496 | // under the click will still get an event, even though the menu has the | |
2497 | // capture (bug?). So that control may already have taken the capture by | |
2498 | // this point, preventing us from releasing the menu's capture. So to work | |
2499 | // around this, we release both captures, then put back the control's | |
2500 | // capture. | |
2501 | wxWindow *capture = GetCapture(); | |
2502 | if ( capture ) | |
2503 | { | |
2504 | capture->ReleaseMouse(); | |
2505 | ||
2506 | if ( capture == this ) | |
2507 | return true; | |
2508 | ||
2509 | bool had = HasCapture(); | |
2510 | ||
2511 | if ( had ) | |
2512 | ReleaseMouse(); | |
2513 | ||
2514 | capture->CaptureMouse(); | |
2515 | ||
2516 | return had; | |
2517 | } | |
2518 | #else | |
2519 | if ( HasCapture() ) | |
2520 | { | |
2521 | ReleaseMouse(); | |
2522 | return true; | |
2523 | } | |
2524 | #endif | |
2525 | return false; | |
2526 | } | |
2527 | ||
2528 | void wxMenuBar::GiveAwayFocus() | |
2529 | { | |
2530 | GetFrame()->SetFocus(); | |
2531 | } | |
2532 | ||
2533 | // ---------------------------------------------------------------------------- | |
2534 | // popup menu support | |
2535 | // ---------------------------------------------------------------------------- | |
2536 | ||
2537 | wxEventLoop *wxWindow::ms_evtLoopPopup = NULL; | |
2538 | ||
2539 | bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y) | |
2540 | { | |
2541 | wxCHECK_MSG( !ms_evtLoopPopup, false, | |
2542 | _T("can't show more than one popup menu at a time") ); | |
2543 | ||
2544 | #ifdef __WXMSW__ | |
2545 | // we need to change the cursor before showing the menu as, apparently, no | |
2546 | // cursor changes took place while the mouse is captured | |
2547 | wxCursor cursorOld = GetCursor(); | |
2548 | SetCursor(wxCURSOR_ARROW); | |
2549 | #endif // __WXMSW__ | |
2550 | ||
2551 | #if 0 | |
2552 | // flash any delayed log messages before showing the menu, otherwise it | |
2553 | // could be dismissed (because it would lose focus) immediately after being | |
2554 | // shown | |
2555 | wxLog::FlushActive(); | |
2556 | ||
2557 | // some controls update themselves from OnIdle() call - let them do it | |
2558 | wxTheApp->ProcessIdle(); | |
2559 | ||
2560 | // if the window hadn't been refreshed yet, the menu can adversely affect | |
2561 | // its next OnPaint() handler execution - i.e. scrolled window refresh | |
2562 | // logic breaks then as it scrolls part of the menu which hadn't been there | |
2563 | // when the update event was generated into view | |
2564 | Update(); | |
2565 | #endif // 0 | |
2566 | ||
2567 | menu->SetInvokingWindow(this); | |
2568 | ||
2569 | // wxLogDebug( "Name of invoking window %s", menu->GetInvokingWindow()->GetName().c_str() ); | |
2570 | ||
2571 | menu->Popup(ClientToScreen(wxPoint(x, y)), wxSize(0,0)); | |
2572 | ||
2573 | // this is not very useful if the menu was popped up because of the mouse | |
2574 | // click but I think it is nice to do when it appears because of a key | |
2575 | // press (i.e. Windows menu key) | |
2576 | // | |
2577 | // Windows itself doesn't do it, but IMHO this is nice | |
2578 | WarpPointer(x, y); | |
2579 | ||
2580 | // we have to redirect all keyboard input to the menu temporarily | |
2581 | PushEventHandler(new wxMenuKbdRedirector(menu)); | |
2582 | ||
2583 | // enter the local modal loop | |
2584 | ms_evtLoopPopup = new wxEventLoop; | |
2585 | ms_evtLoopPopup->Run(); | |
2586 | ||
2587 | delete ms_evtLoopPopup; | |
2588 | ms_evtLoopPopup = NULL; | |
2589 | ||
2590 | // remove the handler | |
2591 | PopEventHandler(true /* delete it */); | |
2592 | ||
2593 | menu->SetInvokingWindow(NULL); | |
2594 | ||
2595 | #ifdef __WXMSW__ | |
2596 | SetCursor(cursorOld); | |
2597 | #endif // __WXMSW__ | |
2598 | ||
2599 | return true; | |
2600 | } | |
2601 | ||
2602 | void wxWindow::DismissPopupMenu() | |
2603 | { | |
2604 | wxCHECK_RET( ms_evtLoopPopup, _T("no popup menu shown") ); | |
2605 | ||
2606 | ms_evtLoopPopup->Exit(); | |
2607 | } | |
2608 | ||
2609 | #endif // wxUSE_MENUS | |
2610 |