+bool wxFrameBase::ProcessCommand(wxMenuItem *item)
+{
+ wxCHECK_MSG( item, false, wxS("Menu item can't be NULL") );
+
+ if (!item->IsEnabled())
+ return true;
+
+ if ((item->GetKind() == wxITEM_RADIO) && item->IsChecked() )
+ return true;
+
+ int checked;
+ if (item->IsCheckable())
+ {
+ item->Toggle();
+
+ // use the new value
+ checked = item->IsChecked();
+ }
+ else // Uncheckable item.
+ {
+ checked = -1;
+ }
+
+ wxMenu* const menu = item->GetMenu();
+ wxCHECK_MSG( menu, false, wxS("Menu item should be attached to a menu") );
+
+ return menu->SendEvent(item->GetId(), checked);
+}
+
+#endif // wxUSE_MENUS
+
+// Do the UI update processing for this window. This is
+// provided for the application to call if it wants to
+// force a UI update, particularly for the menus and toolbar.
+void wxFrameBase::UpdateWindowUI(long flags)
+{
+ wxWindowBase::UpdateWindowUI(flags);
+
+#if wxUSE_TOOLBAR
+ if (GetToolBar())
+ GetToolBar()->UpdateWindowUI(flags);
+#endif
+
+#if wxUSE_MENUS
+ if (GetMenuBar())
+ {
+ // If coming from an idle event, we only want to update the menus if
+ // we're in the wxUSE_IDLEMENUUPDATES configuration, otherwise they
+ // will be update when the menu is opened later
+ if ( !(flags & wxUPDATE_UI_FROMIDLE) || ShouldUpdateMenuFromIdle() )
+ DoMenuUpdates();
+ }
+#endif // wxUSE_MENUS
+}
+
+// ----------------------------------------------------------------------------
+// event handlers for status bar updates from menus
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS && wxUSE_STATUSBAR
+
+void wxFrameBase::OnMenuHighlight(wxMenuEvent& event)
+{
+#if wxUSE_STATUSBAR
+ (void)ShowMenuHelp(event.GetMenuId());
+#endif // wxUSE_STATUSBAR
+}
+
+void wxFrameBase::OnMenuOpen(wxMenuEvent& event)
+{
+ if ( !ShouldUpdateMenuFromIdle() )
+ {
+ // as we didn't update the menus from idle time, do it now
+ DoMenuUpdates(event.GetMenu());
+ }
+}
+
+void wxFrameBase::OnMenuClose(wxMenuEvent& WXUNUSED(event))
+{
+ DoGiveHelp(wxEmptyString, false);
+}
+
+#endif // wxUSE_MENUS && wxUSE_STATUSBAR
+
+// Implement internal behaviour (menu updating on some platforms)
+void wxFrameBase::OnInternalIdle()
+{
+ wxTopLevelWindow::OnInternalIdle();
+
+#if wxUSE_MENUS
+ if ( ShouldUpdateMenuFromIdle() && wxUpdateUIEvent::CanUpdate(this) )
+ DoMenuUpdates();
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// status bar stuff
+// ----------------------------------------------------------------------------
+
+#if wxUSE_STATUSBAR
+
+wxStatusBar* wxFrameBase::CreateStatusBar(int number,
+ long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ // the main status bar can only be created once (or else it should be
+ // deleted before calling CreateStatusBar() again)
+ wxCHECK_MSG( !m_frameStatusBar, NULL,
+ wxT("recreating status bar in wxFrame") );
+
+ SetStatusBar(OnCreateStatusBar(number, style, id, name));
+
+ return m_frameStatusBar;
+}
+
+wxStatusBar *wxFrameBase::OnCreateStatusBar(int number,
+ long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ wxStatusBar *statusBar = new wxStatusBar(this, id, style, name);
+
+ statusBar->SetFieldsCount(number);
+
+ return statusBar;
+}
+
+void wxFrameBase::SetStatusText(const wxString& text, int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->SetStatusText(text, number);
+}
+
+void wxFrameBase::SetStatusWidths(int n, const int widths_field[] )
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set widths for") );
+
+ m_frameStatusBar->SetStatusWidths(n, widths_field);
+
+ PositionStatusBar();
+}
+
+void wxFrameBase::PushStatusText(const wxString& text, int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->PushStatusText(text, number);
+}
+
+void wxFrameBase::PopStatusText(int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->PopStatusText(number);
+}
+
+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::SetStatusBar(wxStatusBar *statBar)
+{
+ bool hadBar = m_frameStatusBar != NULL;
+ m_frameStatusBar = statBar;
+
+ if ( (m_frameStatusBar != NULL) != hadBar )
+ {
+ PositionStatusBar();
+
+ DoLayout();
+ }
+}
+
+#endif // wxUSE_STATUSBAR
+
+#if wxUSE_MENUS || wxUSE_TOOLBAR
+void wxFrameBase::DoGiveHelp(const wxString& help, bool show)
+{
+#if wxUSE_STATUSBAR
+ if ( m_statusBarPane < 0 )
+ {
+ // status bar messages disabled
+ return;
+ }
+
+ wxStatusBar *statbar = GetStatusBar();
+ if ( !statbar )
+ return;
+
+ wxString text;
+ if ( show )
+ {
+ // remember the old status bar text if this is the first time we're
+ // called since the menu has been opened as we're going to overwrite it
+ // in our DoGiveHelp() and we want to restore it when the menu is
+ // closed
+ //
+ // note that it would be logical to do this in OnMenuOpen() but under
+ // MSW we get an EVT_MENU_HIGHLIGHT before EVT_MENU_OPEN, strangely
+ // enough, and so this doesn't work and instead we use the ugly trick
+ // with using special m_oldStatusText value as "menu opened" (but it is
+ // arguably better than adding yet another member variable to wxFrame
+ // on all platforms)
+ if ( m_oldStatusText.empty() )
+ {
+ m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
+ if ( m_oldStatusText.empty() )
+ {
+ // use special value to prevent us from doing this the next time
+ m_oldStatusText += wxT('\0');
+ }
+ }
+
+ m_lastHelpShown =
+ text = help;
+ }
+ else // hide help, restore the original text
+ {
+ // clear the last shown help string but remember its value
+ wxString lastHelpShown;
+ lastHelpShown.swap(m_lastHelpShown);
+
+ // also clear the old status text but remember it too to restore it
+ // below
+ text.swap(m_oldStatusText);
+
+ if ( statbar->GetStatusText(m_statusBarPane) != lastHelpShown )
+ {
+ // if the text was changed with an explicit SetStatusText() call
+ // from the user code in the meanwhile, do not overwrite it with
+ // the old status bar contents -- this is almost certainly not what
+ // the user expects and would be very hard to avoid from user code
+ return;
+ }
+ }
+
+ statbar->SetStatusText(text, m_statusBarPane);
+#else
+ wxUnusedVar(help);
+ wxUnusedVar(show);
+#endif // wxUSE_STATUSBAR
+}
+#endif // wxUSE_MENUS || wxUSE_TOOLBAR
+
+
+// ----------------------------------------------------------------------------
+// toolbar stuff
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLBAR
+
+wxToolBar* wxFrameBase::CreateToolBar(long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ // the main toolbar can't be recreated (unless it was explicitly deleted
+ // before)
+ wxCHECK_MSG( !m_frameToolBar, NULL,
+ wxT("recreating toolbar in wxFrame") );
+
+ if ( style == -1 )
+ {
+ // use default style
+ //
+ // NB: we don't specify the default value in the method declaration
+ // because
+ // a) this allows us to have different defaults for different
+ // platforms (even if we don't have them right now)
+ // b) we don't need to include wx/toolbar.h in the header then
+ style = wxBORDER_NONE | wxTB_HORIZONTAL | wxTB_FLAT;
+ }
+
+ SetToolBar(OnCreateToolBar(style, id, name));
+
+ return m_frameToolBar;
+}
+
+wxToolBar* wxFrameBase::OnCreateToolBar(long style,
+ wxWindowID id,
+ const wxString& name)
+{
+#if defined(__WXWINCE__) && defined(__POCKETPC__)
+ return new wxToolMenuBar(this, id,
+ wxDefaultPosition, wxDefaultSize,
+ style, name);
+#else
+ return new wxToolBar(this, id,
+ wxDefaultPosition, wxDefaultSize,
+ style, name);
+#endif
+}
+
+void wxFrameBase::SetToolBar(wxToolBar *toolbar)
+{
+ if ( (toolbar != NULL) != (m_frameToolBar != NULL) )
+ {
+ // the toolbar visibility must have changed so we need to both position
+ // the toolbar itself (if it appeared) and to relayout the frame
+ // contents in any case
+
+ if ( toolbar )
+ {
+ // we need to assign it to m_frameToolBar for PositionToolBar() to
+ // do anything
+ m_frameToolBar = toolbar;
+ PositionToolBar();
+ }
+ //else: tricky: do not reset m_frameToolBar yet as otherwise DoLayout()
+ // wouldn't recognize the (still existing) toolbar as one of our
+ // bars and wouldn't layout the single child of the frame correctly
+
+
+ // and this is even more tricky: we want DoLayout() to recognize the
+ // old toolbar for the purpose of not counting it among our non-bar
+ // children but we don't want to reserve any more space for it so we
+ // temporarily hide it
+ if ( m_frameToolBar )
+ m_frameToolBar->Hide();
+
+ DoLayout();
+
+ if ( m_frameToolBar )
+ m_frameToolBar->Show();
+ }
+
+ // this might have been already done above but it's simpler to just always
+ // do it unconditionally instead of testing for whether we already did it
+ m_frameToolBar = toolbar;
+}
+
+#endif // wxUSE_TOOLBAR
+
+// ----------------------------------------------------------------------------
+// menus
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
projects / wxWidgets.git / blobdiff