+// ----------------------------------------------------------------------------
+// wxWin32FrameInputHandler
+// ----------------------------------------------------------------------------
+
+class wxWin32SystemMenuEvtHandler : public wxEvtHandler
+{
+public:
+ wxWin32SystemMenuEvtHandler(wxWin32FrameInputHandler *handler);
+
+ void Attach(wxInputConsumer *consumer);
+ void Detach();
+
+private:
+ DECLARE_EVENT_TABLE()
+ void OnSystemMenu(wxCommandEvent &event);
+ void OnCloseFrame(wxCommandEvent &event);
+ void OnClose(wxCloseEvent &event);
+
+ wxWin32FrameInputHandler *m_inputHnd;
+ wxTopLevelWindow *m_wnd;
+#if wxUSE_ACCEL
+ wxAcceleratorTable m_oldAccelTable;
+#endif
+};
+
+wxWin32SystemMenuEvtHandler::wxWin32SystemMenuEvtHandler(
+ wxWin32FrameInputHandler *handler)
+{
+ m_inputHnd = handler;
+ m_wnd = NULL;
+}
+
+void wxWin32SystemMenuEvtHandler::Attach(wxInputConsumer *consumer)
+{
+ wxASSERT_MSG( m_wnd == NULL, _T("can't attach the handler twice!") );
+
+ m_wnd = wxStaticCast(consumer->GetInputWindow(), wxTopLevelWindow);
+ m_wnd->PushEventHandler(this);
+
+#if wxUSE_ACCEL
+ // VS: This code relies on using generic implementation of
+ // wxAcceleratorTable in wxUniv!
+ wxAcceleratorTable table = *m_wnd->GetAcceleratorTable();
+ m_oldAccelTable = table;
+ table.Add(wxAcceleratorEntry(wxACCEL_ALT, WXK_SPACE, wxID_SYSTEM_MENU));
+ table.Add(wxAcceleratorEntry(wxACCEL_ALT, WXK_F4, wxID_CLOSE_FRAME));
+ m_wnd->SetAcceleratorTable(table);
+#endif
+}
+
+void wxWin32SystemMenuEvtHandler::Detach()
+{
+ if ( m_wnd )
+ {
+#if wxUSE_ACCEL
+ m_wnd->SetAcceleratorTable(m_oldAccelTable);
+#endif
+ m_wnd->RemoveEventHandler(this);
+ m_wnd = NULL;
+ }
+}
+
+BEGIN_EVENT_TABLE(wxWin32SystemMenuEvtHandler, wxEvtHandler)
+ EVT_MENU(wxID_SYSTEM_MENU, wxWin32SystemMenuEvtHandler::OnSystemMenu)
+ EVT_MENU(wxID_CLOSE_FRAME, wxWin32SystemMenuEvtHandler::OnCloseFrame)
+ EVT_CLOSE(wxWin32SystemMenuEvtHandler::OnClose)
+END_EVENT_TABLE()
+
+void wxWin32SystemMenuEvtHandler::OnSystemMenu(wxCommandEvent &WXUNUSED(event))
+{
+ int border = ((m_wnd->GetWindowStyle() & wxRESIZE_BORDER) &&
+ !m_wnd->IsMaximized()) ?
+ RESIZEABLE_FRAME_BORDER_THICKNESS :
+ FRAME_BORDER_THICKNESS;
+ wxPoint pt = m_wnd->GetClientAreaOrigin();
+ pt.x = -pt.x + border;
+ pt.y = -pt.y + border + FRAME_TITLEBAR_HEIGHT;
+
+#if wxUSE_ACCEL
+ wxAcceleratorTable table = *m_wnd->GetAcceleratorTable();
+ m_wnd->SetAcceleratorTable(wxNullAcceleratorTable);
+#endif
+
+ m_inputHnd->PopupSystemMenu(m_wnd, pt);
+
+#if wxUSE_ACCEL
+ m_wnd->SetAcceleratorTable(table);
+#endif
+}
+
+void wxWin32SystemMenuEvtHandler::OnCloseFrame(wxCommandEvent &WXUNUSED(event))
+{
+ m_wnd->PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
+ wxTOPLEVEL_BUTTON_CLOSE);
+}
+
+void wxWin32SystemMenuEvtHandler::OnClose(wxCloseEvent &event)
+{
+ m_wnd = NULL;
+ event.Skip();
+}
+
+
+wxWin32FrameInputHandler::wxWin32FrameInputHandler(wxInputHandler *handler)
+ : wxStdFrameInputHandler(handler)
+{
+ m_menuHandler = new wxWin32SystemMenuEvtHandler(this);
+}
+
+wxWin32FrameInputHandler::~wxWin32FrameInputHandler()
+{
+ if ( m_menuHandler )
+ {
+ m_menuHandler->Detach();
+ delete m_menuHandler;
+ }
+}
+
+bool wxWin32FrameInputHandler::HandleMouse(wxInputConsumer *consumer,
+ const wxMouseEvent& event)
+{
+ if ( event.LeftDClick() || event.LeftDown() || event.RightDown() )
+ {
+ wxTopLevelWindow *tlw =
+ wxStaticCast(consumer->GetInputWindow(), wxTopLevelWindow);
+
+ long hit = tlw->HitTest(event.GetPosition());
+
+ if ( event.LeftDClick() && hit == wxHT_TOPLEVEL_TITLEBAR )
+ {
+ tlw->PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK,
+ tlw->IsMaximized() ? wxTOPLEVEL_BUTTON_RESTORE
+ : wxTOPLEVEL_BUTTON_MAXIMIZE);
+ return true;
+ }
+ else if ( tlw->GetWindowStyle() & wxSYSTEM_MENU )
+ {
+ if ( (event.LeftDown() && hit == wxHT_TOPLEVEL_ICON) ||
+ (event.RightDown() &&
+ (hit == wxHT_TOPLEVEL_TITLEBAR ||
+ hit == wxHT_TOPLEVEL_ICON)) )
+ {
+ PopupSystemMenu(tlw, event.GetPosition());
+ return true;
+ }
+ }
+ }
+
+ return wxStdFrameInputHandler::HandleMouse(consumer, event);
+}
+
+void wxWin32FrameInputHandler::PopupSystemMenu(wxTopLevelWindow *window,
+ const wxPoint& pos) const
+{
+ wxMenu *menu = new wxMenu;
+
+ if ( window->GetWindowStyle() & wxMAXIMIZE_BOX )
+ menu->Append(wxID_RESTORE_FRAME , _("&Restore"));
+ menu->Append(wxID_MOVE_FRAME , _("&Move"));
+ if ( window->GetWindowStyle() & wxRESIZE_BORDER )
+ menu->Append(wxID_RESIZE_FRAME , _("&Size"));
+ if ( wxSystemSettings::HasFeature(wxSYS_CAN_ICONIZE_FRAME) )
+ menu->Append(wxID_ICONIZE_FRAME , _("Mi&nimize"));
+ if ( window->GetWindowStyle() & wxMAXIMIZE_BOX )
+ menu->Append(wxID_MAXIMIZE_FRAME , _("Ma&ximize"));
+ menu->AppendSeparator();
+ menu->Append(wxID_CLOSE_FRAME, _("Close\tAlt-F4"));
+
+ if ( window->GetWindowStyle() & wxMAXIMIZE_BOX )
+ {
+ if ( window->IsMaximized() )
+ {
+ menu->Enable(wxID_MAXIMIZE_FRAME, false);
+ menu->Enable(wxID_MOVE_FRAME, false);
+ if ( window->GetWindowStyle() & wxRESIZE_BORDER )
+ menu->Enable(wxID_RESIZE_FRAME, false);
+ }
+ else
+ menu->Enable(wxID_RESTORE_FRAME, false);
+ }
+
+ window->PopupMenu(menu, pos);
+ delete menu;
+}
+
+bool wxWin32FrameInputHandler::HandleActivation(wxInputConsumer *consumer,
+ bool activated)
+{
+ if ( consumer->GetInputWindow()->GetWindowStyle() & wxSYSTEM_MENU )
+ {
+ // always detach if active frame changed:
+ m_menuHandler->Detach();
+
+ if ( activated )
+ {
+ m_menuHandler->Attach(consumer);
+ }
+ }
+
+ return wxStdFrameInputHandler::HandleActivation(consumer, activated);
+}
projects / wxWidgets.git / blobdiff