bool wxMenu::ProcessCommand(wxCommandEvent & event)
{
// Try the menu's event handler first
wxEvtHandler * const handler = GetEventHandler();
bool processed = handler ? handler->SafelyProcessEvent(event) : false;
// Try the window the menu was popped up from (and up
// through the hierarchy)
if ( !processed && GetInvokingWindow())
processed = GetInvokingWindow()->HandleWindowEvent(event);
return processed;
}
// Update a menu and all submenus recursively. source is the object that has
// the update event handlers defined for it. If NULL, the menu or associated
// window will be used.
void wxMenuBase::UpdateUI(wxEvtHandler* source)
{
if (GetInvokingWindow())
{
// Don't update menus if the parent
// frame is about to get deleted
wxWindow *tlw = wxGetTopLevelParent( GetInvokingWindow() );
if (tlw && wxPendingDelete.Member(tlw))
return;
}
if ( !source && GetInvokingWindow() )
source = GetInvokingWindow()->GetEventHandler();
if ( !source )
source = GetEventHandler();
if ( !source )
source = this;
wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
while ( node )
{
wxMenuItem* item = node->GetData();
if ( !item->IsSeparator() )
{
wxWindowID id = item->GetId();
wxUpdateUIEvent event(id);
event.SetEventObject( source );
if ( source->ProcessEvent(event) )
{
// if anything changed, update the changed attribute
if (event.GetSetText())
SetLabel(id, event.GetText());
if (event.GetSetChecked())
Check(id, event.GetChecked());
if (event.GetSetEnabled())
Enable(id, event.GetEnabled());
}
// recurse to the submenus
if ( item->GetSubMenu() )
item->GetSubMenu()->UpdateUI(source);
}
//else: item is a separator (which doesn't process update UI events)
node = node->GetNext();
}
}
bool wxMenu::ProcessCommand(wxCommandEvent & event)
{
bool processed = false;
// Try the menu's event handler
if ( !processed && GetEventHandler())
{
processed = GetEventHandler()->ProcessEvent(event);
}
// Try the window the menu was popped up from (and up
// through the hierarchy)
if ( !processed && GetInvokingWindow())
processed = GetInvokingWindow()->ProcessEvent(event);
return processed;
}
bool wxMenu::ProcessCommand(wxCommandEvent & event)
{
bool processed = false;
// Try the menu's event handler
if ( /* !processed && */ GetEventHandler())
processed = GetEventHandler()->ProcessEvent(event);
// Try the window the menu was popped up from
// (and up through the hierarchy)
wxWindow *win = GetInvokingWindow();
if ( !processed && win )
processed = win->GetEventHandler()->ProcessEvent(event);
return processed;
}
WXWidget wxMenu::CreateMenu (wxMenuBar * menuBar,
WXWidget parent,
wxMenu * topMenu,
size_t menuIndex,
const wxString& title,
bool pullDown)
{
Widget menu = (Widget) 0;
Widget buttonWidget = (Widget) 0;
Display* dpy = XtDisplay((Widget)parent);
Arg args[5];
XtSetArg (args[0], XmNnumColumns, m_numColumns);
XtSetArg (args[1], XmNpacking, (m_numColumns > 1) ? XmPACK_COLUMN : XmPACK_TIGHT);
if ( !m_font.IsOk() )
{
if ( menuBar )
m_font = menuBar->GetFont();
else if ( GetInvokingWindow() )
m_font = GetInvokingWindow()->GetFont();
}
XtSetArg (args[2], (String)wxFont::GetFontTag(), m_font.GetFontTypeC(dpy) );
if (!pullDown)
{
menu = XmCreatePopupMenu ((Widget) parent, wxMOTIF_STR("popup"), args, 3);
#if 0
XtAddCallback(menu,
XmNunmapCallback,
(XtCallbackProc)wxMenuPopdownCallback,
(XtPointer)this);
#endif
}
else
{
char mnem = wxFindMnemonic (title);
menu = XmCreatePulldownMenu ((Widget) parent, wxMOTIF_STR("pulldown"), args, 3);
wxString title2(wxStripMenuCodes(title));
wxXmString label_str(title2);
buttonWidget = XtVaCreateManagedWidget(title2,
#if wxUSE_GADGETS
xmCascadeButtonGadgetClass, (Widget) parent,
#else
xmCascadeButtonWidgetClass, (Widget) parent,
#endif
XmNlabelString, label_str(),
XmNsubMenuId, menu,
(String)wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
XmNpositionIndex, menuIndex,
NULL);
if (mnem != 0)
XtVaSetValues (buttonWidget, XmNmnemonic, mnem, NULL);
}
m_menuWidget = (WXWidget) menu;
m_topLevelMenu = topMenu;
size_t i = 0;
for ( wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
node;
node = node->GetNext(), ++i )
{
wxMenuItem *item = node->GetData();
item->CreateItem(menu, menuBar, topMenu, i);
}
ChangeFont();
return buttonWidget;
}
