bool wxFrame::HandleMenuSelect( WXWORD nItem,
WXWORD nFlags,
WXHMENU hMenu )
{
if( !nFlags )
{
MENUITEM mItem;
MRESULT rc;
rc = ::WinSendMsg(hMenu, MM_QUERYITEM, MPFROM2SHORT(nItem, TRUE), (MPARAM)&mItem);
if(rc && !(mItem.afStyle & (MIS_SUBMENU | MIS_SEPARATOR)))
{
wxMenuEvent vEvent(wxEVT_MENU_HIGHLIGHT, nItem);
vEvent.SetEventObject(this);
HandleWindowEvent(vEvent); // return value would be ignored by PM
}
else
{
DoGiveHelp(wxEmptyString, true);
return false;
}
}
return true;
} // end of wxFrame::HandleMenuSelect
bool
wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU WXUNUSED(hMenu))
{
// sign extend to int from unsigned short we get from Windows
int item = (signed short)nItem;
// WM_MENUSELECT is generated for both normal items and menus, including
// the top level menus of the menu bar, which can't be represented using
// any valid identifier in wxMenuEvent so use an otherwise unused value for
// them
if ( flags & (MF_POPUP | MF_SEPARATOR) )
item = wxID_NONE;
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
event.SetEventObject(this);
if ( HandleWindowEvent(event) )
return true;
// by default, i.e. if the event wasn't handled above, clear the status bar
// text when an item which can't have any associated help string in wx API
// is selected
if ( item == wxID_NONE )
DoGiveHelp(wxEmptyString, true);
return false;
}
bool wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU hMenu)
{
int item;
if ( flags == 0xFFFF && hMenu == 0 )
{
// menu was removed from screen
item = -1;
}
#ifndef __WXMICROWIN__
else if ( !(flags & MF_POPUP) && !(flags & MF_SEPARATOR) )
{
item = nItem;
}
#endif
else
{
// don't give hints for separators (doesn't make sense) nor for the
// items opening popup menus (they don't have them anyhow) but do clear
// the status line - otherwise, we would be left with the help message
// for the previous item which doesn't apply any more
DoGiveHelp(wxEmptyString, false);
return false;
}
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
event.SetEventObject(this);
return GetEventHandler()->ProcessEvent(event);
}
bool wxFrameBase::ShowMenuHelp(wxStatusBar *WXUNUSED(statbar), int menuId)
{
#if wxUSE_MENUS
// if no help string found, we will clear the status bar text
wxString helpString;
bool show = menuId != wxID_SEPARATOR && menuId != -2 /* wxID_TITLE */;
if ( show )
{
wxMenuBar *menuBar = GetMenuBar();
if ( menuBar )
{
// it's ok if we don't find the item because it might belong
// to the popup menu
wxMenuItem *item = menuBar->FindItem(menuId);
if ( item )
helpString = item->GetHelp();
}
}
DoGiveHelp(helpString, show);
return !helpString.empty();
#else // !wxUSE_MENUS
return false;
#endif // wxUSE_MENUS/!wxUSE_MENUS
}
bool
wxFrame::HandleMenuSelect(WXWORD nItem, WXWORD flags, WXHMENU WXUNUSED(hMenu))
{
// WM_MENUSELECT is generated for both normal items and menus, including
// the top level menus of the menu bar, which can't be represented using
// any valid identifier in wxMenuEvent so use -1 for them
// the menu highlight events for n
const int item = flags & (MF_POPUP | MF_SEPARATOR) ? -1 : nItem;
wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, item);
event.SetEventObject(this);
if ( HandleWindowEvent(event) )
return true;
// by default, i.e. if the event wasn't handled above, clear the status bar
// text when an item which can't have any associated help string in wx API
// is selected
if ( item == -1 )
DoGiveHelp(wxEmptyString, true);
return false;
}
bool wxFrameBase::ShowMenuHelp(int menuId)
{
#if wxUSE_MENUS
// if no help string found, we will clear the status bar text
//
// NB: wxID_NONE is used for (sub)menus themselves by wxMSW
wxString helpString;
if ( menuId != wxID_SEPARATOR && menuId != wxID_NONE )
{
const wxMenuItem * const item = FindItemInMenuBar(menuId);
if ( item && !item->IsSeparator() )
helpString = item->GetHelp();
// notice that it's ok if we don't find the item because it might
// belong to the popup menu, so don't assert here
}
DoGiveHelp(helpString, true);
return !helpString.empty();
#else // !wxUSE_MENUS
return false;
#endif // wxUSE_MENUS/!wxUSE_MENUS
}
void wxFrameBase::OnMenuClose(wxMenuEvent& WXUNUSED(event))
{
DoGiveHelp(wxEmptyString, false);
}
void wxFrameBase::OnMenuClose(wxMenuEvent& event)
{
event.Skip();
DoGiveHelp(wxEmptyString, false);
}