]>
git.saurik.com Git - wxWidgets.git/blob - src/univ/menu.cpp
1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxMenuItem, wxMenu and wxMenuBar implementation
4 // Author: Vadim Zeitlin
8 // Copyright: (c) 2000 Vadim Zeitlin
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
21 #pragma implementation "univmenuitem.h"
22 #pragma implementation "univmenu.h"
25 #include "wx/wxprec.h"
32 #include "wx/dynarray.h"
33 #include "wx/control.h" // for FindAccelIndex()
35 #include "wx/settings.h"
42 #include "wx/popupwin.h"
43 #include "wx/evtloop.h"
44 #include "wx/dcclient.h"
47 #include "wx/univ/renderer.h"
50 #include "wx/msw/private.h"
53 // ----------------------------------------------------------------------------
54 // wxMenuInfo contains all extra information about top level menus we need
55 // ----------------------------------------------------------------------------
57 class WXDLLEXPORT wxMenuInfo
61 wxMenuInfo(const wxString
& text
)
69 void SetLabel(const wxString
& text
)
71 // remember the accel char (may be -1 if none)
72 m_indexAccel
= wxControl::FindAccelIndex(text
, &m_label
);
74 // calculate the width later, after the menu bar is created
78 void SetEnabled(bool enabled
= TRUE
) { m_isEnabled
= enabled
; }
82 const wxString
& GetLabel() const { return m_label
; }
83 bool IsEnabled() const { return m_isEnabled
; }
84 wxCoord
GetWidth(wxMenuBar
*menubar
) const
88 wxConstCast(this, wxMenuInfo
)->CalcWidth(menubar
);
94 int GetAccelIndex() const { return m_indexAccel
; }
97 void CalcWidth(wxMenuBar
*menubar
)
100 wxClientDC
dc(menubar
);
101 dc
.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT
));
102 dc
.GetTextExtent(m_label
, &size
.x
, &size
.y
);
104 // adjust for the renderer we use and store the width
105 m_width
= menubar
->GetRenderer()->GetMenuBarItemSize(size
).x
;
114 #include "wx/arrimpl.cpp"
116 WX_DEFINE_OBJARRAY(wxMenuInfoArray
);
118 // ----------------------------------------------------------------------------
119 // wxPopupMenuWindow: a popup window showing a menu
120 // ----------------------------------------------------------------------------
122 class wxPopupMenuWindow
: public wxPopupTransientWindow
125 wxPopupMenuWindow(wxWindow
*parent
, wxMenu
*menu
);
127 // override the base class version to select the first item initially
128 virtual void Popup(wxWindow
*focus
= NULL
);
130 // override the base class version to dismiss any open submenus
131 virtual void Dismiss();
133 // notify the menu when the window disappears from screen
134 virtual void OnDismiss();
136 // called when a submenu is dismissed
137 void OnSubmenuDismiss() { m_hasOpenSubMenu
= FALSE
; }
139 // get the currently selected item (may be NULL)
140 wxMenuItem
*GetCurrentItem() const
142 return m_nodeCurrent
? m_nodeCurrent
->GetData() : NULL
;
145 // find the menu item at given position
146 wxMenuItemList::Node
*GetMenuItemFromPoint(const wxPoint
& pt
) const;
148 // refresh the given item
149 void RefreshItem(wxMenuItem
*item
);
151 // preselect the first item
152 void SelectFirst() { SetCurrent(m_menu
->GetMenuItems().GetFirst()); }
154 // process the key event, return TRUE if done
155 bool ProcessKeyDown(int key
);
157 // process mouse move event
158 void ProcessMouseMove(const wxPoint
& pt
);
160 // don't dismiss the popup window if the parent menu was clicked
161 virtual bool ProcessLeftDown(wxMouseEvent
& event
);
164 // how did we perform this operation?
171 // draw the menu inside this window
172 virtual void DoDraw(wxControlRenderer
*renderer
);
175 void OnLeftUp(wxMouseEvent
& event
);
176 void OnMouseMove(wxMouseEvent
& event
);
177 void OnMouseLeave(wxMouseEvent
& event
);
178 void OnKeyDown(wxKeyEvent
& event
);
180 // reset the current item and node
183 // set the current node and item withotu refreshing anything
184 void SetCurrent(wxMenuItemList::Node
*node
);
186 // change the current item refreshing the old and new items
187 void ChangeCurrent(wxMenuItemList::Node
*node
);
189 // activate item, i.e. call either ClickItem() or OpenSubmenu() depending
190 // on what it is, return TRUE if something was done (i.e. it's not a
192 bool ActivateItem(wxMenuItem
*item
, InputMethod how
= WithKeyboard
);
194 // send the event about the item click
195 void ClickItem(wxMenuItem
*item
);
197 // show the submenu for this item
198 void OpenSubmenu(wxMenuItem
*item
, InputMethod how
= WithKeyboard
);
200 // can this tiem be opened?
201 bool CanOpen(wxMenuItem
*item
)
203 return item
&& item
->IsEnabled() && item
->IsSubMenu();
206 // dismiss the menu and all parent menus too
207 void DismissAndNotify();
209 // react to dimissing this menu and also dismiss the parent if
211 void HandleDismiss(bool dismissParent
);
213 // do we have an open submenu?
214 bool HasOpenSubmenu() const { return m_hasOpenSubMenu
; }
216 // get previous node after the current one
217 wxMenuItemList::Node
*GetPrevNode() const;
219 // get previous node before the given one, wrapping if it's the first one
220 wxMenuItemList::Node
*GetPrevNode(wxMenuItemList::Node
*node
) const;
222 // get next node after the current one
223 wxMenuItemList::Node
*GetNextNode() const;
225 // get next node after the given one, wrapping if it's the last one
226 wxMenuItemList::Node
*GetNextNode(wxMenuItemList::Node
*node
) const;
232 // the menu node corresponding to the current item
233 wxMenuItemList::Node
*m_nodeCurrent
;
235 // do we currently have an opened submenu?
236 bool m_hasOpenSubMenu
;
238 DECLARE_EVENT_TABLE()
241 // ----------------------------------------------------------------------------
242 // wxMenuKbdRedirector: an event handler which redirects kbd input to wxMenu
243 // ----------------------------------------------------------------------------
245 class wxMenuKbdRedirector
: public wxEvtHandler
248 wxMenuKbdRedirector(wxMenu
*menu
) { m_menu
= menu
; }
250 virtual bool ProcessEvent(wxEvent
& event
)
252 if ( event
.GetEventType() == wxEVT_KEY_DOWN
)
254 return m_menu
->ProcessKeyDown(((wxKeyEvent
&)event
).GetKeyCode());
258 return wxEvtHandler::ProcessEvent(event
);
266 // ----------------------------------------------------------------------------
268 // ----------------------------------------------------------------------------
270 IMPLEMENT_DYNAMIC_CLASS(wxMenu
, wxEvtHandler
)
271 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar
, wxWindow
)
272 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem
, wxObject
)
274 BEGIN_EVENT_TABLE(wxPopupMenuWindow
, wxPopupTransientWindow
)
275 EVT_KEY_DOWN(wxPopupMenuWindow::OnKeyDown
)
277 EVT_LEFT_UP(wxPopupMenuWindow::OnLeftUp
)
278 EVT_MOTION(wxPopupMenuWindow::OnMouseMove
)
279 EVT_LEAVE_WINDOW(wxPopupMenuWindow::OnMouseLeave
)
282 BEGIN_EVENT_TABLE(wxMenuBar
, wxMenuBarBase
)
283 EVT_KILL_FOCUS(wxMenuBar::OnKillFocus
)
285 EVT_KEY_DOWN(wxMenuBar::OnKeyDown
)
287 EVT_LEFT_DOWN(wxMenuBar::OnLeftDown
)
288 EVT_MOTION(wxMenuBar::OnMouseMove
)
291 // ============================================================================
293 // ============================================================================
295 // ----------------------------------------------------------------------------
297 // ----------------------------------------------------------------------------
299 wxPopupMenuWindow::wxPopupMenuWindow(wxWindow
*parent
, wxMenu
*menu
)
302 m_hasOpenSubMenu
= FALSE
;
306 (void)Create(parent
, wxBORDER_RAISED
);
308 SetCursor(wxCURSOR_ARROW
);
311 // ----------------------------------------------------------------------------
312 // wxPopupMenuWindow current item/node handling
313 // ----------------------------------------------------------------------------
315 void wxPopupMenuWindow::ResetCurrent()
320 void wxPopupMenuWindow::SetCurrent(wxMenuItemList::Node
*node
)
322 m_nodeCurrent
= node
;
325 void wxPopupMenuWindow::ChangeCurrent(wxMenuItemList::Node
*node
)
327 if ( node
!= m_nodeCurrent
)
331 wxMenuItem
*item
= m_nodeCurrent
->GetData();
332 wxCHECK_RET( item
, _T("no current item?") );
334 // if it was the currently opened menu, close it
335 if ( item
->IsSubMenu() && item
->GetSubMenu()->IsShown() )
337 item
->GetSubMenu()->Dismiss();
344 m_nodeCurrent
= node
;
347 RefreshItem(m_nodeCurrent
->GetData());
351 wxMenuItemList::Node
*wxPopupMenuWindow::GetPrevNode() const
353 wxMenuItemList::Node
*node
= m_nodeCurrent
;
356 // start from the end if no current item
357 node
= m_menu
->GetMenuItems().GetLast();
360 return GetPrevNode(node
);
363 wxMenuItemList::Node
*
364 wxPopupMenuWindow::GetPrevNode(wxMenuItemList::Node
*node
) const
368 node
= node
->GetPrevious();
371 node
= m_menu
->GetMenuItems().GetLast();
374 //else: the menu is empty
379 wxMenuItemList::Node
*wxPopupMenuWindow::GetNextNode() const
381 wxMenuItemList::Node
*node
= m_nodeCurrent
;
384 // start from the beginning if no current item
385 node
= m_menu
->GetMenuItems().GetFirst();
388 return GetNextNode(node
);
391 wxMenuItemList::Node
*
392 wxPopupMenuWindow::GetNextNode(wxMenuItemList::Node
*node
) const
396 node
= node
->GetNext();
399 node
= m_menu
->GetMenuItems().GetFirst();
402 //else: the menu is empty
407 // ----------------------------------------------------------------------------
408 // wxPopupMenuWindow popup/dismiss
409 // ----------------------------------------------------------------------------
411 void wxPopupMenuWindow::Popup(wxWindow
*focus
)
413 // check that the current item had been properly reset before
414 wxASSERT_MSG( !m_nodeCurrent
||
415 m_nodeCurrent
== m_menu
->GetMenuItems().GetFirst(),
416 _T("menu current item preselected incorrectly") );
418 wxPopupTransientWindow::Popup(focus
);
421 // ensure that this window is really on top of everything: without using
422 // SetWindowPos() it can be covered by its parent menu which is not
423 // really what we want
424 wxMenu
*menuParent
= m_menu
->GetParent();
427 wxPopupMenuWindow
*win
= menuParent
->m_popupMenu
;
429 // if we're shown, the parent menu must be also shown
430 wxCHECK_RET( win
, _T("parent menu is not shown?") );
432 if ( !::SetWindowPos(GetHwndOf(win
), GetHwnd(),
434 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOREDRAW
) )
436 wxLogLastError(_T("SetWindowPos(HWND_TOP)"));
444 void wxPopupMenuWindow::Dismiss()
446 if ( HasOpenSubmenu() )
448 wxMenuItem
*item
= GetCurrentItem();
449 wxCHECK_RET( item
&& item
->IsSubMenu(), _T("where is our open submenu?") );
451 wxPopupMenuWindow
*win
= item
->GetSubMenu()->m_popupMenu
;
452 wxCHECK_RET( win
, _T("opened submenu is not opened?") );
458 wxPopupTransientWindow::Dismiss();
461 void wxPopupMenuWindow::OnDismiss()
463 // when we are dismissed because the user clicked elsewhere or we lost
464 // focus in any other way, hide the parent menu as well
468 void wxPopupMenuWindow::HandleDismiss(bool dismissParent
)
472 m_menu
->OnDismiss(dismissParent
);
475 void wxPopupMenuWindow::DismissAndNotify()
481 // ----------------------------------------------------------------------------
482 // wxPopupMenuWindow geometry
483 // ----------------------------------------------------------------------------
485 wxMenuItemList::Node
*
486 wxPopupMenuWindow::GetMenuItemFromPoint(const wxPoint
& pt
) const
488 // we only use the y coord normally, but still check x in case the point is
489 // outside the window completely
490 if ( wxWindow::HitTest(pt
) == wxHT_WINDOW_INSIDE
)
493 for ( wxMenuItemList::Node
*node
= m_menu
->GetMenuItems().GetFirst();
495 node
= node
->GetNext() )
497 wxMenuItem
*item
= node
->GetData();
498 y
+= item
->GetHeight();
510 // ----------------------------------------------------------------------------
511 // wxPopupMenuWindow drawing
512 // ----------------------------------------------------------------------------
514 void wxPopupMenuWindow::RefreshItem(wxMenuItem
*item
)
516 wxCHECK_RET( item
, _T("can't refresh NULL item") );
518 wxASSERT_MSG( IsShown(), _T("can't refresh menu which is not shown") );
520 // FIXME: -1 here because of SetLogicalOrigin(1, 1) in DoDraw()
521 RefreshRect(wxRect(0, item
->GetPosition() - 1,
522 m_menu
->GetGeometryInfo().GetSize().x
, item
->GetHeight()));
525 void wxPopupMenuWindow::DoDraw(wxControlRenderer
*renderer
)
527 // no clipping so far - do we need it? I don't think so as the menu is
528 // never partially covered as it is always on top of everything
530 wxDC
& dc
= renderer
->GetDC();
531 dc
.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT
));
533 // FIXME: this should be done in the renderer, however when it is fixed
534 // wxPopupMenuWindow::RefreshItem() should be changed too!
535 dc
.SetLogicalOrigin(1, 1);
537 wxRenderer
*rend
= renderer
->GetRenderer();
540 const wxMenuGeometryInfo
& gi
= m_menu
->GetGeometryInfo();
541 for ( wxMenuItemList::Node
*node
= m_menu
->GetMenuItems().GetFirst();
543 node
= node
->GetNext() )
545 wxMenuItem
*item
= node
->GetData();
547 if ( item
->IsSeparator() )
549 rend
->DrawMenuSeparator(dc
, y
, gi
);
551 else // not a separator
554 if ( item
->IsCheckable() )
556 flags
|= wxCONTROL_CHECKABLE
;
558 if ( item
->IsChecked() )
560 flags
|= wxCONTROL_CHECKED
;
564 if ( !item
->IsEnabled() )
565 flags
|= wxCONTROL_DISABLED
;
567 if ( item
->IsSubMenu() )
568 flags
|= wxCONTROL_ISSUBMENU
;
570 if ( item
== GetCurrentItem() )
571 flags
|= wxCONTROL_SELECTED
;
579 item
->GetAccelString(),
580 // strangely enough, for unchecked item we use the
581 // "checked" bitmap because this is the default one - this
582 // explains this strange boolean expression
583 item
->GetBitmap(!item
->IsCheckable() || item
->IsChecked()),
585 item
->GetAccelIndex()
589 y
+= item
->GetHeight();
593 // ----------------------------------------------------------------------------
594 // wxPopupMenuWindow actions
595 // ----------------------------------------------------------------------------
597 void wxPopupMenuWindow::ClickItem(wxMenuItem
*item
)
599 wxCHECK_RET( item
, _T("can't click NULL item") );
601 wxASSERT_MSG( !item
->IsSeparator() && !item
->IsSubMenu(),
602 _T("can't click this item") );
604 m_menu
->ClickItem(item
);
610 void wxPopupMenuWindow::OpenSubmenu(wxMenuItem
*item
, InputMethod how
)
612 wxCHECK_RET( item
, _T("can't open NULL submenu") );
614 wxMenu
*submenu
= item
->GetSubMenu();
615 wxCHECK_RET( submenu
, _T("can only open submenus!") );
617 // FIXME: should take into account the border width
618 submenu
->Popup(ClientToScreen(wxPoint(0, item
->GetPosition())),
619 wxSize(m_menu
->GetGeometryInfo().GetSize().x
, 0),
620 how
== WithKeyboard
/* preselect first item then */);
622 m_hasOpenSubMenu
= TRUE
;
625 bool wxPopupMenuWindow::ActivateItem(wxMenuItem
*item
, InputMethod how
)
627 // don't activate disabled items
628 if ( !item
|| !item
->IsEnabled() )
633 // normal menu items generate commands, submenus can be opened and
634 // the separators don't do anything
635 if ( item
->IsSubMenu() )
637 OpenSubmenu(item
, how
);
639 else if ( !item
->IsSeparator() )
643 else // separator, can't activate
651 // ----------------------------------------------------------------------------
652 // wxPopupMenuWindow input handling
653 // ----------------------------------------------------------------------------
655 bool wxPopupMenuWindow::ProcessLeftDown(wxMouseEvent
& event
)
657 // wxPopupWindowHandler dismisses the window when the mouse is clicked
658 // outside it which is usually just fine, but there is one case when we
659 // don't want to do it: if the mouse was clicked on the parent submenu item
660 // which opens this menu, so check for it
662 wxPoint pos
= event
.GetPosition();
663 if ( HitTest(pos
.x
, pos
.y
) == wxHT_WINDOW_OUTSIDE
)
665 wxMenu
*menu
= m_menu
->GetParent();
668 wxPopupMenuWindow
*win
= menu
->m_popupMenu
;
670 wxCHECK_MSG( win
, FALSE
, _T("parent menu not shown?") );
672 pos
= ClientToScreen(pos
);
673 if ( win
->GetMenuItemFromPoint(win
->ScreenToClient(pos
)) )
678 //else: it is outside the parent menu as well, do dismiss this one
685 void wxPopupMenuWindow::OnLeftUp(wxMouseEvent
& event
)
687 wxMenuItemList::Node
*node
= GetMenuItemFromPoint(event
.GetPosition());
690 ActivateItem(node
->GetData(), WithMouse
);
694 void wxPopupMenuWindow::OnMouseMove(wxMouseEvent
& event
)
696 const wxPoint pt
= event
.GetPosition();
698 // we need to ignore extra mouse events: example when this happens is when
699 // the mouse is on the menu and we open a submenu from keyboard - Windows
700 // then sends us a dummy mouse move event, we (correctly) determine that it
701 // happens in the parent menu and so immediately close the just opened
704 static wxPoint s_ptLast
;
705 wxPoint ptCur
= ClientToScreen(pt
);
706 if ( ptCur
== s_ptLast
)
714 ProcessMouseMove(pt
);
719 void wxPopupMenuWindow::ProcessMouseMove(const wxPoint
& pt
)
721 wxMenuItemList::Node
*node
= GetMenuItemFromPoint(pt
);
723 // don't reset current to NULL here, we only do it when the mouse leaves
724 // the window (see below)
727 if ( node
!= m_nodeCurrent
)
731 wxMenuItem
*item
= GetCurrentItem();
734 OpenSubmenu(item
, WithMouse
);
737 //else: same item, nothing to do
739 else // not on an item
741 // the last open submenu forwards the mouse move messages to its
742 // parent, so if the mouse moves to another item of the parent menu,
743 // this menu is closed and this other item is selected - in the similar
744 // manner, the top menu forwards the mouse moves to the menubar which
745 // allows to select another top level menu by just moving the mouse
747 // we need to translate our client coords to the client coords of the
748 // window we forward this event to
749 wxPoint ptScreen
= ClientToScreen(pt
);
751 // if the mouse is outside this menu, let the parent one to
753 wxMenu
*menuParent
= m_menu
->GetParent();
756 wxPopupMenuWindow
*win
= menuParent
->m_popupMenu
;
758 // if we're shown, the parent menu must be also shown
759 wxCHECK_RET( win
, _T("parent menu is not shown?") );
761 win
->ProcessMouseMove(win
->ScreenToClient(ptScreen
));
763 else // no parent menu
765 wxMenuBar
*menubar
= m_menu
->GetMenuBar();
768 if ( menubar
->ProcessMouseEvent(
769 menubar
->ScreenToClient(ptScreen
)) )
771 // menubar has closed this menu and opened another one, probably
776 //else: top level popup menu, no other processing to do
780 void wxPopupMenuWindow::OnMouseLeave(wxMouseEvent
& event
)
782 // due to the artefact of mouse events generation under MSW, we actually
783 // may get the mouse leave event after the menu had been already dismissed
784 // and calling ChangeCurrent() would then assert, so don't do it
787 // we shouldn't change the current them if our submenu is opened and
788 // mouse moved there, in this case the submenu is responsable for
791 if ( HasOpenSubmenu() )
793 wxMenuItem
*item
= GetCurrentItem();
794 wxCHECK_RET( CanOpen(item
), _T("where is our open submenu?") );
796 wxPopupMenuWindow
*win
= item
->GetSubMenu()->m_popupMenu
;
797 wxCHECK_RET( win
, _T("submenu is opened but not shown?") );
799 // only handle this event if the mouse is not inside the submenu
800 wxPoint pt
= ClientToScreen(event
.GetPosition());
802 win
->HitTest(win
->ScreenToClient(pt
)) == wxHT_WINDOW_OUTSIDE
;
806 // this menu is the last opened
819 void wxPopupMenuWindow::OnKeyDown(wxKeyEvent
& event
)
821 if ( !ProcessKeyDown(event
.GetKeyCode()) )
827 bool wxPopupMenuWindow::ProcessKeyDown(int key
)
829 wxMenuItem
*item
= GetCurrentItem();
831 // first let the opened submenu to have it (no test for IsEnabled() here,
832 // the keys navigate even in a disabled submenu if we had somehow managed
833 // to open it inspit of this)
834 if ( HasOpenSubmenu() )
836 wxCHECK_MSG( CanOpen(item
), FALSE
,
837 _T("has open submenu but another item selected?") );
839 if ( item
->GetSubMenu()->ProcessKeyDown(key
) )
843 bool processed
= TRUE
;
845 // handle the up/down arrows, home, end, esc and return here, pass the
846 // left/right arrows to the menu bar except when the right arrow can be
847 // used to open a submenu
851 // if we're not a top level menu, close us, else leave this to the
853 if ( !m_menu
->GetParent() )
862 // close just this menu
864 HandleDismiss(FALSE
);
868 processed
= ActivateItem(item
);
872 ChangeCurrent(m_menu
->GetMenuItems().GetFirst());
876 ChangeCurrent(m_menu
->GetMenuItems().GetLast());
882 bool up
= key
== WXK_UP
;
884 wxMenuItemList::Node
*nodeStart
= up
? GetPrevNode()
887 while ( node
&& node
->GetData()->IsSeparator() )
889 node
= up
? GetPrevNode(node
) : GetNextNode(node
);
891 if ( node
== nodeStart
)
893 // nothing but separators and disabled items in this
911 // don't try to reopen an already opened menu
912 if ( !HasOpenSubmenu() && CanOpen(item
) )
923 // look for the menu item starting with this letter
924 if ( wxIsalnum(key
) )
926 // we want to start from the item after this one because
927 // if we're already on the item with the given accel we want to
928 // go to the next one, not to stay in place
929 wxMenuItemList::Node
*nodeStart
= GetNextNode();
931 // do we have more than one item with this accel?
932 bool notUnique
= FALSE
;
934 // translate everything to lower case before comparing
935 wxChar chAccel
= wxTolower(key
);
937 // loop through all items searching for the item with this
939 wxMenuItemList::Node
*node
= nodeStart
,
943 item
= node
->GetData();
945 int idxAccel
= item
->GetAccelIndex();
946 if ( idxAccel
!= -1 &&
947 wxTolower(item
->GetLabel()[(size_t)idxAccel
])
950 // ok, found an item with this accel
953 // store it but continue searching as we need to
954 // know if it's the only item with this accel or if
958 else // we already had found such item
962 // no need to continue further, we won't find
963 // anything we don't already know
968 // we want to iterate over all items wrapping around if
970 node
= GetNextNode(node
);
971 if ( node
== nodeStart
)
973 // we've seen all nodes
980 item
= nodeFound
->GetData();
982 // go to this item anyhow
983 ChangeCurrent(nodeFound
);
985 if ( !notUnique
&& item
->IsEnabled() )
987 // unique item with this accel - activate it
988 processed
= ActivateItem(item
);
990 //else: just select it but don't activate as the user might
991 // have wanted to activate another item
993 // skip "processed = FALSE" below
1004 // ----------------------------------------------------------------------------
1006 // ----------------------------------------------------------------------------
1021 // ----------------------------------------------------------------------------
1022 // wxMenu and wxMenuGeometryInfo
1023 // ----------------------------------------------------------------------------
1025 wxMenuGeometryInfo::~wxMenuGeometryInfo()
1029 const wxMenuGeometryInfo
& wxMenu::GetGeometryInfo() const
1035 wxConstCast(this, wxMenu
)->m_geometry
=
1036 m_popupMenu
->GetRenderer()->GetMenuGeometry(m_popupMenu
, *this);
1040 wxFAIL_MSG( _T("can't get geometry without window") );
1047 void wxMenu::InvalidateGeometryInfo()
1056 // ----------------------------------------------------------------------------
1057 // wxMenu adding/removing items
1058 // ----------------------------------------------------------------------------
1060 void wxMenu::OnItemAdded(wxMenuItem
*item
)
1062 InvalidateGeometryInfo();
1066 #endif // wxUSE_ACCEL
1068 // the submenus of a popup menu should have the same invoking window as it
1070 if ( m_invokingWindow
&& item
->IsSubMenu() )
1072 item
->GetSubMenu()->SetInvokingWindow(m_invokingWindow
);
1076 bool wxMenu::DoAppend(wxMenuItem
*item
)
1078 if ( !wxMenuBase::DoAppend(item
) )
1086 bool wxMenu::DoInsert(size_t pos
, wxMenuItem
*item
)
1088 if ( !wxMenuBase::DoInsert(pos
, item
) )
1096 wxMenuItem
*wxMenu::DoRemove(wxMenuItem
*item
)
1098 wxMenuItem
*itemOld
= wxMenuBase::DoRemove(item
);
1102 InvalidateGeometryInfo();
1105 RemoveAccelFor(item
);
1106 #endif // wxUSE_ACCEL
1112 // ----------------------------------------------------------------------------
1113 // wxMenu attaching/detaching
1114 // ----------------------------------------------------------------------------
1116 void wxMenu::Attach(wxMenuBarBase
*menubar
)
1118 wxMenuBase::Attach(menubar
);
1120 wxCHECK_RET( m_menuBar
, _T("menubar can't be NULL after attaching") );
1122 // unfortunately, we can't use m_menuBar->GetEventHandler() here because,
1123 // if the menubar is currently showing a menu, its event handler is a
1124 // temporary one installed by wxPopupWindow and so will disappear soon any
1125 // any attempts to use it from the newly attached menu would result in a
1128 // so we use the menubar itself, even if it's a pity as it means we can't
1129 // redirect all menu events by changing the menubar handler (FIXME)
1130 SetNextHandler(m_menuBar
);
1133 void wxMenu::Detach()
1135 wxMenuBase::Detach();
1138 // ----------------------------------------------------------------------------
1139 // wxMenu misc functions
1140 // ----------------------------------------------------------------------------
1142 wxWindow
*wxMenu::GetRootWindow() const
1146 // simple case - a normal menu attached to the menubar
1150 // we're a popup menu but the trouble is that only the top level popup menu
1151 // has a pointer to the invoking window, so we must walk up the menu chain
1153 wxWindow
*win
= GetInvokingWindow();
1156 // we already have it
1160 wxMenu
*menu
= GetParent();
1163 win
= menu
->GetInvokingWindow();
1167 menu
= menu
->GetParent();
1170 // we're probably going to crash in the caller anyhow, but try to detect
1171 // this error as soon as possible
1172 wxASSERT_MSG( win
, _T("menu without any associated window?") );
1174 // also remember it in this menu so that we don't have to search for it the
1176 wxConstCast(this, wxMenu
)->m_invokingWindow
= win
;
1181 wxRenderer
*wxMenu::GetRenderer() const
1183 // we're going to crash without renderer!
1184 wxCHECK_MSG( m_popupMenu
, NULL
, _T("neither popup nor menubar menu?") );
1186 return m_popupMenu
->GetRenderer();
1189 void wxMenu::RefreshItem(wxMenuItem
*item
)
1191 // the item geometry changed, so our might have changed as well
1192 InvalidateGeometryInfo();
1196 // this would be a bug in IsShown()
1197 wxCHECK_RET( m_popupMenu
, _T("must have popup window if shown!") );
1199 // recalc geometry to update the item height and such
1200 (void)GetGeometryInfo();
1202 m_popupMenu
->RefreshItem(item
);
1206 // ----------------------------------------------------------------------------
1207 // wxMenu showing and hiding
1208 // ----------------------------------------------------------------------------
1210 bool wxMenu::IsShown() const
1212 return m_popupMenu
&& m_popupMenu
->IsShown();
1215 void wxMenu::OnDismiss(bool dismissParent
)
1219 // always notify the parent about submenu disappearance
1220 wxPopupMenuWindow
*win
= m_menuParent
->m_popupMenu
;
1223 win
->OnSubmenuDismiss();
1227 wxFAIL_MSG( _T("parent menu not shown?") );
1230 // and if we dismiss everything, propagate to parent
1231 if ( dismissParent
)
1233 // dismissParent is recursive
1234 m_menuParent
->Dismiss();
1235 m_menuParent
->OnDismiss(TRUE
);
1238 else // no parent menu
1240 // notify the menu bar if we're a top level menu
1243 m_menuBar
->OnDismissMenu(dismissParent
);
1247 wxCHECK_RET( m_invokingWindow
, _T("what kind of menu is this?") );
1249 m_invokingWindow
->DismissPopupMenu();
1250 SetInvokingWindow(NULL
);
1255 void wxMenu::Popup(const wxPoint
& pos
, const wxSize
& size
, bool selectFirst
)
1257 // create the popup window if not done yet
1260 m_popupMenu
= new wxPopupMenuWindow(GetRootWindow(), this);
1263 // select the first item unless disabled
1266 m_popupMenu
->SelectFirst();
1269 // the geometry might have changed since the last time we were shown, so
1271 m_popupMenu
->SetClientSize(GetGeometryInfo().GetSize());
1273 // position it as specified
1274 m_popupMenu
->Position(pos
, size
);
1276 // the menu can't have the focus itself (it is a Windows limitation), so
1277 // always keep the focus at the originating window
1278 wxWindow
*focus
= GetRootWindow();
1280 wxASSERT_MSG( focus
, _T("no window to keep focus on?") );
1283 m_popupMenu
->Popup(focus
);
1286 void wxMenu::Dismiss()
1288 wxCHECK_RET( IsShown(), _T("can't dismiss hidden menu") );
1290 m_popupMenu
->Dismiss();
1293 // ----------------------------------------------------------------------------
1294 // wxMenu event processing
1295 // ----------------------------------------------------------------------------
1297 bool wxMenu::ProcessKeyDown(int key
)
1299 wxCHECK_MSG( m_popupMenu
, FALSE
,
1300 _T("can't process key events if not shown") );
1302 return m_popupMenu
->ProcessKeyDown(key
);
1305 bool wxMenu::ClickItem(wxMenuItem
*item
)
1308 if ( item
->IsCheckable() )
1310 // update the item state
1311 isChecked
= !item
->IsChecked();
1313 item
->Check(isChecked
!= 0);
1321 return SendEvent(item
->GetId(), isChecked
);
1324 // ----------------------------------------------------------------------------
1325 // wxMenu accel support
1326 // ----------------------------------------------------------------------------
1330 bool wxMenu::ProcessAccelEvent(const wxKeyEvent
& event
)
1332 // do we have an item for this accel?
1333 wxMenuItem
*item
= m_accelTable
.GetMenuItem(event
);
1334 if ( item
&& item
->IsEnabled() )
1336 return ClickItem(item
);
1340 for ( wxMenuItemList::Node
*node
= GetMenuItems().GetFirst();
1342 node
= node
->GetNext() )
1344 const wxMenuItem
*item
= node
->GetData();
1345 if ( item
->IsSubMenu() && item
->IsEnabled() )
1348 if ( item
->GetSubMenu()->ProcessAccelEvent(event
) )
1358 void wxMenu::AddAccelFor(wxMenuItem
*item
)
1360 wxAcceleratorEntry
*accel
= item
->GetAccel();
1363 accel
->SetMenuItem(item
);
1365 m_accelTable
.Add(*accel
);
1371 void wxMenu::RemoveAccelFor(wxMenuItem
*item
)
1373 wxAcceleratorEntry
*accel
= item
->GetAccel();
1376 m_accelTable
.Remove(*accel
);
1382 #endif // wxUSE_ACCEL
1384 // ----------------------------------------------------------------------------
1385 // wxMenuItem construction
1386 // ----------------------------------------------------------------------------
1388 wxMenuItem::wxMenuItem(wxMenu
*parentMenu
,
1390 const wxString
& text
,
1391 const wxString
& help
,
1396 m_parentMenu
= parentMenu
;
1397 m_subMenu
= subMenu
;
1402 m_isCheckable
= isCheckable
;
1404 m_isChecked
= FALSE
;
1412 wxMenuItem::~wxMenuItem()
1416 // ----------------------------------------------------------------------------
1417 // wxMenuItemBase methods implemented here
1418 // ----------------------------------------------------------------------------
1421 wxMenuItem
*wxMenuItemBase::New(wxMenu
*parentMenu
,
1423 const wxString
& name
,
1424 const wxString
& help
,
1428 return new wxMenuItem(parentMenu
, id
, name
, help
, isCheckable
, subMenu
);
1432 wxString
wxMenuItemBase::GetLabelFromText(const wxString
& text
)
1434 return wxStripMenuCodes(text
);
1437 // ----------------------------------------------------------------------------
1438 // wxMenuItem operations
1439 // ----------------------------------------------------------------------------
1441 void wxMenuItem::NotifyMenu()
1443 m_parentMenu
->RefreshItem(this);
1446 void wxMenuItem::UpdateAccelInfo()
1448 m_indexAccel
= wxControl::FindAccelIndex(m_text
);
1450 // will be empty if the text contains no TABs - ok
1451 m_strAccel
= m_text
.AfterFirst(_T('\t'));
1454 void wxMenuItem::SetText(const wxString
& text
)
1456 if ( text
!= m_text
)
1458 // first call the base class version to change m_text
1459 wxMenuItemBase::SetText(text
);
1467 void wxMenuItem::SetCheckable(bool checkable
)
1469 if ( checkable
!= m_isCheckable
)
1471 wxMenuItemBase::SetCheckable(checkable
);
1477 void wxMenuItem::SetBitmaps(const wxBitmap
& bmpChecked
,
1478 const wxBitmap
& bmpUnchecked
)
1480 m_bmpChecked
= bmpChecked
;
1481 m_bmpUnchecked
= bmpUnchecked
;
1486 void wxMenuItem::Enable(bool enable
)
1488 if ( enable
!= m_isEnabled
)
1490 wxMenuItemBase::Enable(enable
);
1496 void wxMenuItem::Check(bool check
)
1498 if ( check
!= m_isChecked
)
1500 wxMenuItemBase::Check(check
);
1506 // ----------------------------------------------------------------------------
1507 // wxMenuBar creation
1508 // ----------------------------------------------------------------------------
1510 void wxMenuBar::Init()
1518 m_shouldShowMenu
= FALSE
;
1521 void wxMenuBar::Attach(wxFrame
*frame
)
1523 // maybe you really wanted to call Detach()?
1524 wxCHECK_RET( frame
, _T("wxMenuBar::Attach(NULL) called") );
1526 wxMenuBarBase::Attach(frame
);
1530 // reparent if necessary
1531 if ( m_frameLast
!= frame
)
1536 // show it back - was hidden by Detach()
1539 else // not created yet, do it now
1541 // we have no way to return the error from here anyhow :-(
1542 (void)Create(frame
, -1);
1544 SetCursor(wxCURSOR_ARROW
);
1546 SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT
));
1549 // remember the last frame which had us to avoid unnecessarily reparenting
1551 m_frameLast
= frame
;
1554 void wxMenuBar::Detach()
1556 // don't delete the window because we may be reattached later, just hide it
1562 wxMenuBarBase::Detach();
1565 wxMenuBar::~wxMenuBar()
1569 // ----------------------------------------------------------------------------
1570 // wxMenuBar adding/removing items
1571 // ----------------------------------------------------------------------------
1573 bool wxMenuBar::Append(wxMenu
*menu
, const wxString
& title
)
1575 return Insert(GetCount(), menu
, title
);
1578 bool wxMenuBar::Insert(size_t pos
, wxMenu
*menu
, const wxString
& title
)
1580 if ( !wxMenuBarBase::Insert(pos
, menu
, title
) )
1583 wxMenuInfo
*info
= new wxMenuInfo(title
);
1584 m_menuInfos
.Insert(info
, pos
);
1586 RefreshAllItemsAfter(pos
);
1591 wxMenu
*wxMenuBar::Replace(size_t pos
, wxMenu
*menu
, const wxString
& title
)
1593 wxMenu
*menuOld
= wxMenuBarBase::Replace(pos
, menu
, title
);
1597 wxMenuInfo
& info
= m_menuInfos
[pos
];
1599 info
.SetLabel(title
);
1601 // even if the old menu was disabled, the new one is not any more
1604 // even if we change only this one, the new label has different width,
1605 // so we need to refresh everything beyond this item as well
1606 RefreshAllItemsAfter(pos
);
1612 wxMenu
*wxMenuBar::Remove(size_t pos
)
1614 wxMenu
*menuOld
= wxMenuBarBase::Remove(pos
);
1618 m_menuInfos
.RemoveAt(pos
);
1620 // this doesn't happen too often, so don't try to be too smart - just
1621 // refresh everything
1628 // ----------------------------------------------------------------------------
1629 // wxMenuBar top level menus access
1630 // ----------------------------------------------------------------------------
1632 wxCoord
wxMenuBar::GetItemWidth(size_t pos
) const
1634 return m_menuInfos
[pos
].GetWidth(wxConstCast(this, wxMenuBar
));
1637 void wxMenuBar::EnableTop(size_t pos
, bool enable
)
1639 wxCHECK_RET( pos
< GetCount(), _T("invalid index in EnableTop") );
1641 if ( enable
!= m_menuInfos
[pos
].IsEnabled() )
1643 m_menuInfos
[pos
].SetEnabled(enable
);
1647 //else: nothing to do
1650 bool wxMenuBar::IsEnabledTop(size_t pos
) const
1652 wxCHECK_MSG( pos
< GetCount(), FALSE
, _T("invalid index in IsEnabledTop") );
1654 return m_menuInfos
[pos
].IsEnabled();
1657 void wxMenuBar::SetLabelTop(size_t pos
, const wxString
& label
)
1659 wxCHECK_RET( pos
< GetCount(), _T("invalid index in EnableTop") );
1661 if ( label
!= m_menuInfos
[pos
].GetLabel() )
1663 m_menuInfos
[pos
].SetLabel(label
);
1667 //else: nothing to do
1670 wxString
wxMenuBar::GetLabelTop(size_t pos
) const
1672 wxCHECK_MSG( pos
< GetCount(), _T(""), _T("invalid index in GetLabelTop") );
1674 return m_menuInfos
[pos
].GetLabel();
1677 // ----------------------------------------------------------------------------
1678 // wxMenuBar drawing
1679 // ----------------------------------------------------------------------------
1681 void wxMenuBar::RefreshAllItemsAfter(size_t pos
)
1683 wxRect rect
= GetItemRect(pos
);
1684 rect
.width
= GetClientSize().x
- rect
.x
;
1688 void wxMenuBar::RefreshItem(size_t pos
)
1690 wxCHECK_RET( pos
!= (size_t)-1,
1691 _T("invalid item in wxMenuBar::RefreshItem") );
1693 RefreshRect(GetItemRect(pos
));
1696 void wxMenuBar::DoDraw(wxControlRenderer
*renderer
)
1698 wxDC
& dc
= renderer
->GetDC();
1699 dc
.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT
));
1701 // redraw only the items which must be redrawn
1703 // we don't have to use GetUpdateClientRect() here because our client rect
1704 // is the same as total one
1705 wxRect rectUpdate
= GetUpdateRegion().GetBox();
1707 int flagsMenubar
= GetStateFlags();
1711 rect
.height
= GetClientSize().y
;
1714 size_t count
= GetCount();
1715 for ( size_t n
= 0; n
< count
; n
++ )
1717 if ( x
> rectUpdate
.GetRight() )
1719 // all remaining items are to the right of rectUpdate
1724 rect
.width
= GetItemWidth(n
);
1726 if ( x
< rectUpdate
.x
)
1728 // this item is still to the left of rectUpdate
1732 int flags
= flagsMenubar
;
1733 if ( m_current
!= -1 && n
== (size_t)m_current
)
1735 flags
|= wxCONTROL_SELECTED
;
1738 if ( !IsEnabledTop(n
) )
1740 flags
|= wxCONTROL_DISABLED
;
1743 GetRenderer()->DrawMenuBarItem
1747 m_menuInfos
[n
].GetLabel(),
1749 m_menuInfos
[n
].GetAccelIndex()
1754 // ----------------------------------------------------------------------------
1755 // wxMenuBar geometry
1756 // ----------------------------------------------------------------------------
1758 wxRect
wxMenuBar::GetItemRect(size_t pos
) const
1760 wxASSERT_MSG( pos
< GetCount(), _T("invalid menu bar item index") );
1765 rect
.height
= GetClientSize().y
;
1767 for ( size_t n
= 0; n
< pos
; n
++ )
1769 rect
.x
+= GetItemWidth(n
);
1772 rect
.width
= GetItemWidth(pos
);
1777 wxSize
wxMenuBar::DoGetBestClientSize() const
1780 if ( GetMenuCount() > 0 )
1782 wxClientDC
dc(wxConstCast(this, wxMenuBar
));
1783 dc
.SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT
));
1784 dc
.GetTextExtent(GetLabelTop(0), &size
.x
, &size
.y
);
1786 // adjust for the renderer we use
1787 size
= GetRenderer()->GetMenuBarItemSize(size
);
1789 else // empty menubar
1795 // the width is arbitrary, of course, for horizontal menubar
1801 int wxMenuBar::GetMenuFromPoint(const wxPoint
& pos
) const
1803 if ( pos
.x
< 0 || pos
.y
< 0 || pos
.y
> GetClientSize().y
)
1808 size_t count
= GetCount();
1809 for ( size_t item
= 0; item
< count
; item
++ )
1811 x
+= GetItemWidth(item
);
1819 // to the right of the last menu item
1823 // ----------------------------------------------------------------------------
1824 // wxMenuBar menu operations
1825 // ----------------------------------------------------------------------------
1827 void wxMenuBar::SelectMenu(size_t pos
)
1835 void wxMenuBar::DoSelectMenu(size_t pos
)
1837 wxCHECK_RET( pos
< GetCount(), _T("invalid menu index in DoSelectMenu") );
1839 if ( m_current
!= -1 )
1841 // close the previous menu
1842 if ( IsShowingMenu() )
1844 // restore m_shouldShowMenu flag after DismissMenu() which resets
1846 bool old
= m_shouldShowMenu
;
1850 m_shouldShowMenu
= old
;
1853 RefreshItem((size_t)m_current
);
1861 void wxMenuBar::PopupMenu(size_t pos
)
1863 wxCHECK_RET( pos
< GetCount(), _T("invalid menu index in PopupCurrentMenu") );
1870 // ----------------------------------------------------------------------------
1871 // wxMenuBar input handing
1872 // ----------------------------------------------------------------------------
1875 Note that wxMenuBar doesn't use wxInputHandler but handles keyboard and
1876 mouse in the same way under all platforms. This is because it doesn't derive
1877 from wxControl (which works with input handlers) but directly from wxWindow.
1879 Also, menu bar input handling is rather simple, so maybe it's not really
1880 worth making it themeable - at least I've decided against doing it now as it
1881 would merging the changes back into trunk more difficult. But it still could
1882 be done later if really needed.
1885 void wxMenuBar::OnKillFocus(wxFocusEvent
& event
)
1887 if ( m_current
!= -1 )
1889 RefreshItem((size_t)m_current
);
1897 void wxMenuBar::OnLeftDown(wxMouseEvent
& event
)
1905 else // we didn't have mouse capture, capture it now
1907 m_current
= GetMenuFromPoint(event
.GetPosition());
1908 if ( m_current
== -1 )
1910 // unfortunately, we can't prevent wxMSW from giving us the focus,
1911 // so we can only give it back
1918 // show it as selected
1919 RefreshItem((size_t)m_current
);
1922 PopupCurrentMenu(FALSE
/* don't select first item - as Windows does */);
1927 void wxMenuBar::OnMouseMove(wxMouseEvent
& event
)
1931 (void)ProcessMouseEvent(event
.GetPosition());
1939 bool wxMenuBar::ProcessMouseEvent(const wxPoint
& pt
)
1941 // a hack to ignore the extra mouse events MSW sends us: this is similar to
1942 // wxUSE_MOUSEEVENT_HACK in wxWin itself but it isn't enough for us here as
1943 // we get the messages from different windows (old and new popup menus for
1946 static wxPoint s_ptLast
;
1947 if ( pt
== s_ptLast
)
1955 int currentNew
= GetMenuFromPoint(pt
);
1956 if ( (currentNew
== -1) || (currentNew
== m_current
) )
1961 // select the new active item
1962 DoSelectMenu(currentNew
);
1964 // show the menu if we know that we should, even if we hadn't been showing
1965 // it before (this may happen if the previous menu was disabled)
1966 if ( m_shouldShowMenu
)
1968 // open the new menu if the old one we closed had been opened
1969 PopupCurrentMenu(FALSE
/* don't select first item - as Windows does */);
1975 void wxMenuBar::OnKeyDown(wxKeyEvent
& event
)
1977 // the current item must have been set before
1978 wxCHECK_RET( m_current
!= -1, _T("where is current item?") );
1980 int key
= event
.GetKeyCode();
1982 // first let the menu have it
1983 if ( IsShowingMenu() && m_menuShown
->ProcessKeyDown(key
) )
1988 // cycle through the menu items when left/right arrows are pressed and open
1989 // the menu when up/down one is
1993 // Alt must be processed at wxWindow level too
1998 // remove the selection and give the focus away
1999 if ( m_current
!= -1 )
2001 if ( IsShowingMenu() )
2013 size_t count
= GetCount();
2016 // the item won't change anyhow
2019 //else: otherwise, it will
2021 // remember if we were showing a menu - if we did, we should
2022 // show the new menu after changing the item
2023 bool wasMenuOpened
= IsShowingMenu();
2024 if ( wasMenuOpened
)
2029 // cast is safe as we tested for -1 above
2030 size_t currentNew
= (size_t)m_current
;
2032 if ( key
== WXK_LEFT
)
2034 if ( currentNew
-- == 0 )
2035 currentNew
= count
- 1;
2039 if ( ++currentNew
== (int)count
)
2043 DoSelectMenu(currentNew
);
2045 if ( wasMenuOpened
)
2060 // letters open the corresponding menu
2063 int idxFound
= FindNextItemForAccel(m_current
, key
, &unique
);
2065 if ( idxFound
!= -1 )
2067 if ( IsShowingMenu() )
2072 DoSelectMenu((size_t)idxFound
);
2074 // if the item is not unique, just select it but don't
2075 // activate as the user might have wanted to activate
2078 // also, don't try to open a disabled menu
2079 if ( unique
&& IsEnabledTop((size_t)idxFound
) )
2085 // skip the "event.Skip()" below
2094 // ----------------------------------------------------------------------------
2095 // wxMenuBar accel handling
2096 // ----------------------------------------------------------------------------
2098 int wxMenuBar::FindNextItemForAccel(int idxStart
, int key
, bool *unique
) const
2100 if ( !wxIsalnum(key
) )
2102 // we only support letters/digits as accels
2106 // do we have more than one item with this accel?
2110 // translate everything to lower case before comparing
2111 wxChar chAccel
= wxTolower(key
);
2113 // the index of the item with this accel
2116 // loop through all items searching for the item with this
2117 // accel starting at the item after the current one
2118 int count
= GetCount();
2119 int n
= idxStart
== -1 ? 0 : idxStart
+ 1;
2130 const wxMenuInfo
& info
= m_menuInfos
[n
];
2132 int idxAccel
= info
.GetAccelIndex();
2133 if ( idxAccel
!= -1 &&
2134 wxTolower(info
.GetLabel()[(size_t)idxAccel
])
2137 // ok, found an item with this accel
2138 if ( idxFound
== -1 )
2140 // store it but continue searching as we need to
2141 // know if it's the only item with this accel or if
2145 else // we already had found such item
2150 // no need to continue further, we won't find
2151 // anything we don't already know
2156 // we want to iterate over all items wrapping around if
2164 if ( n
== idxStart
)
2166 // we've seen all items
2176 bool wxMenuBar::ProcessAccelEvent(const wxKeyEvent
& event
)
2179 for ( wxMenuList::Node
*node
= m_menus
.GetFirst();
2181 node
= node
->GetNext(), n
++ )
2183 // accels of the items in the disabled menus shouldn't work
2184 if ( m_menuInfos
[n
].IsEnabled() )
2186 if ( node
->GetData()->ProcessAccelEvent(event
) )
2188 // menu processed it
2198 #endif // wxUSE_ACCEL
2200 // ----------------------------------------------------------------------------
2201 // wxMenuBar menus showing
2202 // ----------------------------------------------------------------------------
2204 void wxMenuBar::PopupCurrentMenu(bool selectFirst
)
2206 wxCHECK_RET( m_current
!= -1, _T("no menu to popup") );
2208 // forgot to call DismissMenu()?
2209 wxASSERT_MSG( !m_menuShown
, _T("shouldn't show two menu at once!") );
2211 // in any case, we should show it - even if we won't
2212 m_shouldShowMenu
= TRUE
;
2214 if ( IsEnabledTop(m_current
) )
2216 // remember the menu we show
2217 m_menuShown
= GetMenu(m_current
);
2219 // we don't show the menu at all if it has no items
2220 if ( !m_menuShown
->IsEmpty() )
2222 // position it correctly: note that we must use screen coords and
2223 // that we pass 0 as width to position the menu exactly below the
2224 // item, not to the right of it
2225 wxRect rectItem
= GetItemRect(m_current
);
2226 m_menuShown
->Popup(ClientToScreen(rectItem
.GetPosition()),
2227 wxSize(0, rectItem
.GetHeight()),
2232 // reset it back as no menu is shown
2236 //else: don't show disabled menu
2239 void wxMenuBar::DismissMenu()
2241 wxCHECK_RET( m_menuShown
, _T("can't dismiss menu if none is shown") );
2243 m_menuShown
->Dismiss();
2247 void wxMenuBar::OnDismissMenu(bool dismissMenuBar
)
2249 m_shouldShowMenu
= FALSE
;
2251 if ( dismissMenuBar
)
2257 void wxMenuBar::OnDismiss()
2261 if ( m_current
!= -1 )
2263 RefreshItem((size_t)m_current
);
2271 void wxMenuBar::GiveAwayFocus()
2273 GetFrame()->SetFocus();
2276 // ----------------------------------------------------------------------------
2277 // popup menu support
2278 // ----------------------------------------------------------------------------
2280 wxEventLoop
*wxWindow::ms_evtLoopPopup
= NULL
;
2282 bool wxWindow::DoPopupMenu(wxMenu
*menu
, int x
, int y
)
2284 wxCHECK_MSG( !ms_evtLoopPopup
, FALSE
,
2285 _T("can't show more than one popup menu at a time") );
2288 // we need to change the cursor before showing the menu as, apparently, no
2289 // cursor changes took place while the mouse is captured
2290 wxCursor cursorOld
= GetCursor();
2291 SetCursor(wxCURSOR_ARROW
);
2295 // flash any delayed log messages before showing the menu, otherwise it
2296 // could be dismissed (because it would lose focus) immediately after being
2298 wxLog::FlushActive();
2300 // some controls update themselves from OnIdle() call - let them do it
2302 wxTheApp
->ProcessEvent(event
);
2304 // if the window hadn't been refreshed yet, the menu can adversely affect
2305 // its next OnPaint() handler execution - i.e. scrolled window refresh
2306 // logic breaks then as it scrolls part of the menu which hadn't been there
2307 // when the update event was generated into view
2311 menu
->SetInvokingWindow(this);
2312 menu
->Popup(ClientToScreen(wxPoint(x
, y
)), wxSize(0, 0));
2314 // this is not very useful if the menu was popped up because of the mouse
2315 // click but I think it is nice to do when it appears because of a key
2316 // press (i.e. Windows menu key)
2318 // Windows itself doesn't do it, but IMHO this is nice
2321 // we have to redirect all keyboard input to the menu temporarily
2322 PushEventHandler(new wxMenuKbdRedirector(menu
));
2324 // enter the local modal loop
2325 ms_evtLoopPopup
= new wxEventLoop
;
2326 ms_evtLoopPopup
->Run();
2328 delete ms_evtLoopPopup
;
2329 ms_evtLoopPopup
= NULL
;
2331 // remove the handler
2332 PopEventHandler(TRUE
/* delete it */);
2334 menu
->SetInvokingWindow(NULL
);
2337 SetCursor(cursorOld
);
2343 void wxWindow::DismissPopupMenu()
2345 wxCHECK_RET( ms_evtLoopPopup
, _T("no popup menu shown") );
2347 ms_evtLoopPopup
->Exit();
2350 #endif // wxUSE_MENUS