///////////////////////////////////////////////////////////////////////////// // Name: samples/menu.cpp // Purpose: wxMenu/wxMenuBar sample // Author: Vadim Zeitlin // Modified by: // Created: 01.11.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ // declarations // ============================================================================ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/frame.h" #include "wx/menu.h" #include "wx/msgdlg.h" #include "wx/log.h" #include "wx/textctrl.h" #include "wx/textdlg.h" #endif #if !wxUSE_MENUS // nice try... #error "menu sample requires wxUSE_MENUS=1" #endif // wxUSE_MENUS // not all ports have support for EVT_CONTEXT_MENU yet, don't define // USE_CONTEXT_MENU for those which don't #if defined(__WXMOTIF__) || defined(__WXPM__) #define USE_CONTEXT_MENU 0 #else #define USE_CONTEXT_MENU 1 #endif // this sample is usefull when new port is developed // and usually new port has majority of flags turned off #if wxUSE_LOG && wxUSE_TEXTCTRL #define USE_LOG_WINDOW 1 #else #define USE_LOG_WINDOW 0 #endif #if wxUSE_OWNER_DRAWN #include "copy.xpm" #endif // ---------------------------------------------------------------------------- // classes // ---------------------------------------------------------------------------- // Define a new application class MyApp: public wxApp { public: bool OnInit(); }; // Define a new frame class MyFrame: public wxFrame { public: MyFrame(); virtual ~MyFrame(); void LogMenuEvent(const wxCommandEvent& event); protected: void OnQuit(wxCommandEvent& event); #if USE_LOG_WINDOW void OnClearLog(wxCommandEvent& event); #endif void OnAbout(wxCommandEvent& event); void OnDummy(wxCommandEvent& event); void OnAppendMenuItem(wxCommandEvent& event); void OnAppendSubMenu(wxCommandEvent& event); void OnDeleteMenuItem(wxCommandEvent& event); void OnInsertMenuItem(wxCommandEvent& event); void OnCheckMenuItem(wxCommandEvent& event); void OnEnableMenuItem(wxCommandEvent& event); void OnGetLabelMenuItem(wxCommandEvent& event); #if wxUSE_TEXTDLG void OnSetLabelMenuItem(wxCommandEvent& event); #endif void OnGetMenuItemInfo(wxCommandEvent& event); #if wxUSE_TEXTDLG void OnFindMenuItem(wxCommandEvent& event); #endif void OnAppendMenu(wxCommandEvent& event); void OnInsertMenu(wxCommandEvent& event); void OnDeleteMenu(wxCommandEvent& event); void OnToggleMenu(wxCommandEvent& event); void OnEnableMenu(wxCommandEvent& event); void OnGetLabelMenu(wxCommandEvent& event); void OnSetLabelMenu(wxCommandEvent& event); #if wxUSE_TEXTDLG void OnFindMenu(wxCommandEvent& event); #endif void OnTestNormal(wxCommandEvent& event); void OnTestCheck(wxCommandEvent& event); void OnTestRadio(wxCommandEvent& event); void OnUpdateSubMenuNormal(wxUpdateUIEvent& event); void OnUpdateSubMenuCheck(wxUpdateUIEvent& event); void OnUpdateSubMenuRadio(wxUpdateUIEvent& event); #if USE_CONTEXT_MENU void OnContextMenu(wxContextMenuEvent& event) { ShowContextMenu(ScreenToClient(event.GetPosition())); } #else void OnRightUp(wxMouseEvent& event) { ShowContextMenu(event.GetPosition()); } #endif void OnMenuOpen(wxMenuEvent& event) { #if USE_LOG_WINDOW LogMenuOpenOrClose(event, _T("opened")); event.Skip(); #endif } void OnMenuClose(wxMenuEvent& event) { #if USE_LOG_WINDOW LogMenuOpenOrClose(event, _T("closed")); event.Skip(); #endif } void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event); void OnSize(wxSizeEvent& event); private: void LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what); void ShowContextMenu(const wxPoint& pos); wxMenu *CreateDummyMenu(wxString *title); wxMenuItem *GetLastMenuItem() const; // the menu previously detached from the menubar (may be NULL) wxMenu *m_menu; // the count of dummy menus already created size_t m_countDummy; #if USE_LOG_WINDOW // the control used for logging wxTextCtrl *m_textctrl; #endif // the previous log target wxLog *m_logOld; DECLARE_EVENT_TABLE() }; // A small helper class which intercepts all menu events and logs them class MyEvtHandler : public wxEvtHandler { public: MyEvtHandler(MyFrame *frame) { m_frame = frame; } void OnMenuEvent(wxCommandEvent& event) { m_frame->LogMenuEvent(event); event.Skip(); } private: MyFrame *m_frame; DECLARE_EVENT_TABLE() }; // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- enum { Menu_File_Quit = wxID_EXIT, #if USE_LOG_WINDOW Menu_File_ClearLog, #endif Menu_MenuBar_Toggle = 200, Menu_MenuBar_Append, Menu_MenuBar_Insert, Menu_MenuBar_Delete, Menu_MenuBar_Enable, Menu_MenuBar_GetLabel, #if wxUSE_TEXTDLG Menu_MenuBar_SetLabel, Menu_MenuBar_FindMenu, #endif Menu_Menu_Append = 300, Menu_Menu_AppendSub, Menu_Menu_Insert, Menu_Menu_Delete, Menu_Menu_Enable, Menu_Menu_Check, Menu_Menu_GetLabel, #if wxUSE_TEXTDLG Menu_Menu_SetLabel, #endif Menu_Menu_GetInfo, #if wxUSE_TEXTDLG Menu_Menu_FindItem, #endif Menu_Test_Normal = 400, Menu_Test_Check, Menu_Test_Radio1, Menu_Test_Radio2, Menu_Test_Radio3, Menu_SubMenu = 450, Menu_SubMenu_Normal, Menu_SubMenu_Check, Menu_SubMenu_Radio1, Menu_SubMenu_Radio2, Menu_SubMenu_Radio3, Menu_Dummy_First = 500, Menu_Dummy_Second, Menu_Dummy_Third, Menu_Dummy_Fourth, Menu_Dummy_Last, Menu_Help_About = wxID_ABOUT, Menu_Popup_ToBeDeleted = 2000, Menu_Popup_ToBeGreyed, Menu_Popup_ToBeChecked, Menu_Popup_Submenu, Menu_Max }; // ---------------------------------------------------------------------------- // event tables // ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Menu_File_Quit, MyFrame::OnQuit) #if USE_LOG_WINDOW EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog) #endif EVT_MENU(Menu_Help_About, MyFrame::OnAbout) EVT_MENU(Menu_MenuBar_Toggle, MyFrame::OnToggleMenu) EVT_MENU(Menu_MenuBar_Append, MyFrame::OnAppendMenu) EVT_MENU(Menu_MenuBar_Insert, MyFrame::OnInsertMenu) EVT_MENU(Menu_MenuBar_Delete, MyFrame::OnDeleteMenu) EVT_MENU(Menu_MenuBar_Enable, MyFrame::OnEnableMenu) EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu) #if wxUSE_TEXTDLG EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu) EVT_MENU(Menu_MenuBar_FindMenu, MyFrame::OnFindMenu) #endif EVT_MENU(Menu_Menu_Append, MyFrame::OnAppendMenuItem) EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu) EVT_MENU(Menu_Menu_Insert, MyFrame::OnInsertMenuItem) EVT_MENU(Menu_Menu_Delete, MyFrame::OnDeleteMenuItem) EVT_MENU(Menu_Menu_Enable, MyFrame::OnEnableMenuItem) EVT_MENU(Menu_Menu_Check, MyFrame::OnCheckMenuItem) EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem) #if wxUSE_TEXTDLG EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem) #endif EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo) #if wxUSE_TEXTDLG EVT_MENU(Menu_Menu_FindItem, MyFrame::OnFindMenuItem) #endif EVT_MENU(Menu_Test_Normal, MyFrame::OnTestNormal) EVT_MENU(Menu_Test_Check, MyFrame::OnTestCheck) EVT_MENU(Menu_Test_Radio1, MyFrame::OnTestRadio) EVT_MENU(Menu_Test_Radio2, MyFrame::OnTestRadio) EVT_MENU(Menu_Test_Radio3, MyFrame::OnTestRadio) EVT_UPDATE_UI(Menu_SubMenu_Normal, MyFrame::OnUpdateSubMenuNormal) EVT_UPDATE_UI(Menu_SubMenu_Check, MyFrame::OnUpdateSubMenuCheck) EVT_UPDATE_UI(Menu_SubMenu_Radio1, MyFrame::OnUpdateSubMenuRadio) EVT_UPDATE_UI(Menu_SubMenu_Radio2, MyFrame::OnUpdateSubMenuRadio) EVT_UPDATE_UI(Menu_SubMenu_Radio3, MyFrame::OnUpdateSubMenuRadio) EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy) EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI) #if USE_CONTEXT_MENU EVT_CONTEXT_MENU(MyFrame::OnContextMenu) #else EVT_RIGHT_UP(MyFrame::OnRightUp) #endif EVT_MENU_OPEN(MyFrame::OnMenuOpen) EVT_MENU_CLOSE(MyFrame::OnMenuClose) EVT_SIZE(MyFrame::OnSize) END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler) EVT_MENU(wxID_ANY, MyEvtHandler::OnMenuEvent) END_EVENT_TABLE() // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- // MyApp // ---------------------------------------------------------------------------- IMPLEMENT_APP(MyApp) // The `main program' equivalent, creating the windows and returning the // main frame bool MyApp::OnInit() { // Create the main frame window MyFrame* frame = new MyFrame; frame->Show(true); #if wxUSE_STATUSBAR frame->SetStatusText(_T("Welcome to wxWidgets menu sample")); #endif // wxUSE_STATUSBAR SetTopWindow(frame); return true; } // ---------------------------------------------------------------------------- // MyFrame // ---------------------------------------------------------------------------- // Define my frame constructor MyFrame::MyFrame() : wxFrame((wxFrame *)NULL, wxID_ANY, _T("wxWidgets menu sample")) { #if USE_LOG_WINDOW m_textctrl = NULL; #endif m_menu = NULL; m_countDummy = 0; m_logOld = NULL; #if wxUSE_STATUSBAR CreateStatusBar(); #endif // wxUSE_STATUSBAR // create the menubar wxMenu *fileMenu = new wxMenu; #if USE_LOG_WINDOW wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog, _T("Clear &log\tCtrl-L")); #if wxUSE_OWNER_DRAWN item->SetBitmap(copy_xpm); #endif fileMenu->Append(item); fileMenu->AppendSeparator(); #endif fileMenu->Append(Menu_File_Quit, _T("E&xit\tAlt-X"), _T("Quit menu sample")); wxMenu *menubarMenu = new wxMenu; menubarMenu->Append(Menu_MenuBar_Append, _T("&Append menu\tCtrl-A"), _T("Append a menu to the menubar")); menubarMenu->Append(Menu_MenuBar_Insert, _T("&Insert menu\tCtrl-I"), _T("Insert a menu into the menubar")); menubarMenu->Append(Menu_MenuBar_Delete, _T("&Delete menu\tCtrl-D"), _T("Delete the last menu from the menubar")); menubarMenu->Append(Menu_MenuBar_Toggle, _T("&Toggle menu\tCtrl-T"), _T("Toggle the first menu in the menubar"), true); menubarMenu->AppendSeparator(); menubarMenu->Append(Menu_MenuBar_Enable, _T("&Enable menu\tCtrl-E"), _T("Enable or disable the last menu"), true); menubarMenu->AppendSeparator(); menubarMenu->Append(Menu_MenuBar_GetLabel, _T("&Get menu label\tCtrl-G"), _T("Get the label of the last menu")); #if wxUSE_TEXTDLG menubarMenu->Append(Menu_MenuBar_SetLabel, _T("&Set menu label\tCtrl-S"), _T("Change the label of the last menu")); menubarMenu->AppendSeparator(); menubarMenu->Append(Menu_MenuBar_FindMenu, _T("&Find menu from label\tCtrl-F"), _T("Find a menu by searching for its label")); #endif wxMenu* subMenu = new wxMenu; subMenu->Append(Menu_SubMenu_Normal, _T("&Normal submenu item"), _T("Disabled submenu item")); subMenu->AppendCheckItem(Menu_SubMenu_Check, _T("&Unchecked submenu item"), _T("Unchecked submenu item")); subMenu->AppendRadioItem(Menu_SubMenu_Radio1, _T("&Radio item 1"), _T("Radio item")); subMenu->AppendRadioItem(Menu_SubMenu_Radio2, _T("&Radio item 2"), _T("Radio item")); subMenu->AppendRadioItem(Menu_SubMenu_Radio3, _T("&Radio item 3"), _T("Radio item")); menubarMenu->Append(Menu_SubMenu, _T("Submenu"), subMenu); wxMenu *menuMenu = new wxMenu; menuMenu->Append(Menu_Menu_Append, _T("&Append menu item\tAlt-A"), _T("Append a menu item to the last menu")); menuMenu->Append(Menu_Menu_AppendSub, _T("&Append sub menu\tAlt-S"), _T("Append a sub menu to the last menu")); menuMenu->Append(Menu_Menu_Insert, _T("&Insert menu item\tAlt-I"), _T("Insert a menu item in head of the last menu")); menuMenu->Append(Menu_Menu_Delete, _T("&Delete menu item\tAlt-D"), _T("Delete the last menu item from the last menu")); menuMenu->AppendSeparator(); menuMenu->Append(Menu_Menu_Enable, _T("&Enable menu item\tAlt-E"), _T("Enable or disable the last menu item"), true); menuMenu->Append(Menu_Menu_Check, _T("&Check menu item\tAlt-C"), _T("Check or uncheck the last menu item"), true); menuMenu->AppendSeparator(); menuMenu->Append(Menu_Menu_GetInfo, _T("Get menu item in&fo\tAlt-F"), _T("Show the state of the last menu item")); #if wxUSE_TEXTDLG menuMenu->AppendSeparator(); menuMenu->Append(Menu_Menu_FindItem, _T("Find menu item from label"), _T("Find a menu item by searching for its label")); #endif wxMenu *testMenu = new wxMenu; testMenu->Append(Menu_Test_Normal, _T("&Normal item")); testMenu->AppendSeparator(); testMenu->AppendCheckItem(Menu_Test_Check, _T("&Check item")); testMenu->AppendSeparator(); testMenu->AppendRadioItem(Menu_Test_Radio1, _T("Radio item &1")); testMenu->AppendRadioItem(Menu_Test_Radio2, _T("Radio item &2")); testMenu->AppendRadioItem(Menu_Test_Radio3, _T("Radio item &3")); wxMenu *helpMenu = new wxMenu; helpMenu->Append(Menu_Help_About, _T("&About\tF1"), _T("About menu sample")); wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE ); menuBar->Append(fileMenu, _T("&File")); menuBar->Append(menubarMenu, _T("Menu&bar")); menuBar->Append(menuMenu, _T("&Menu")); menuBar->Append(testMenu, _T("&Test")); menuBar->Append(helpMenu, _T("&Help")); // these items should be initially checked menuBar->Check(Menu_MenuBar_Toggle, true); menuBar->Check(Menu_MenuBar_Enable, true); menuBar->Check(Menu_Menu_Enable, true); menuBar->Check(Menu_Menu_Check, false); // associate the menu bar with the frame SetMenuBar(menuBar); // intercept all menu events and log them in this custom event handler PushEventHandler(new MyEvtHandler(this)); #if USE_LOG_WINDOW // create the log text window m_textctrl = new wxTextCtrl(this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); m_textctrl->SetEditable(false); wxLog::SetTimestamp(NULL); m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl)); wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu ") _T("append/insert/delete items to/from the last menu.\n") _T("The commands from \"Menubar\" menu work with the ") _T("menubar itself.\n\n") _T("Right click the band below to test popup menus.\n")); #endif } MyFrame::~MyFrame() { delete m_menu; // delete the event handler installed in ctor PopEventHandler(true); #if USE_LOG_WINDOW // restore old logger delete wxLog::SetActiveTarget(m_logOld); #endif } wxMenu *MyFrame::CreateDummyMenu(wxString *title) { wxMenu *menu = new wxMenu; menu->Append(Menu_Dummy_First, _T("&First item\tCtrl-F1")); menu->AppendSeparator(); menu->AppendCheckItem(Menu_Dummy_Second, _T("&Second item\tCtrl-F2")); if ( title ) { title->Printf(_T("Dummy menu &%u"), (unsigned)++m_countDummy); } return menu; } wxMenuItem *MyFrame::GetLastMenuItem() const { wxMenuBar *menubar = GetMenuBar(); wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast(); if ( !node ) { wxLogWarning(_T("No last item in the last menu!")); return NULL; } else { return node->GetData(); } } void MyFrame::LogMenuEvent(const wxCommandEvent& event) { int id = event.GetId(); if ( !GetMenuBar()->FindItem(id) ) return; wxString msg = wxString::Format(_T("Menu command %d"), id); if ( GetMenuBar()->FindItem(id)->IsCheckable() ) { msg += wxString::Format(_T(" (the item is currently %schecked)"), event.IsChecked() ? _T("") : _T("not ")); } wxLogMessage(msg); } // ---------------------------------------------------------------------------- // menu callbacks // ---------------------------------------------------------------------------- void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(true); } #if USE_LOG_WINDOW void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event)) { m_textctrl->Clear(); } #endif void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { (void)wxMessageBox(_T("wxWidgets menu sample\n(c) 1999-2001 Vadim Zeitlin"), _T("About wxWidgets menu sample"), wxICON_INFORMATION); } void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); if ( count == 2 ) { // don't let delete the first 2 menus wxLogError(_T("Can't delete any more menus")); } else { delete mbar->Remove(count - 1); } } void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event)) { wxString title; wxMenu *menu = CreateDummyMenu(&title); GetMenuBar()->Insert(0, menu, title); } void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event)) { wxString title; wxMenu *menu = CreateDummyMenu(&title); GetMenuBar()->Append(menu, title); } void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); if ( !m_menu ) { // hide the menu m_menu = mbar->Remove(0); } else { // restore it mbar->Insert(0, m_menu, _T("&File")); m_menu = NULL; } } void MyFrame::OnEnableMenu(wxCommandEvent& event) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); mbar->EnableTop(count - 1, event.IsChecked()); } void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); wxCHECK_RET( count, _T("no last menu?") ); wxLogMessage(_T("The label of the last menu item is '%s'"), mbar->GetLabelTop(count - 1).c_str()); } #if wxUSE_TEXTDLG void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); wxCHECK_RET( count, _T("no last menu?") ); wxString label = wxGetTextFromUser ( _T("Enter new label: "), _T("Change last menu text"), mbar->GetLabelTop(count - 1), this ); if ( !label.empty() ) { mbar->SetLabelTop(count - 1, label); } } void MyFrame::OnFindMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); wxCHECK_RET( count, _T("no last menu?") ); wxString label = wxGetTextFromUser ( _T("Enter label to search for: "), _T("Find menu"), _T(""), this ); if ( !label.empty() ) { int index = mbar->FindMenu(label); if (index == wxNOT_FOUND) { wxLogWarning(_T("No menu with label '%s'"), label.c_str()); } else { wxLogMessage(_T("Menu %d has label '%s'"), index, label.c_str()); } } } #endif void MyFrame::OnDummy(wxCommandEvent& event) { wxLogMessage(_T("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1); } void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *menubar = GetMenuBar(); wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); menu->AppendSeparator(); menu->Append(Menu_Dummy_Third, _T("&Third dummy item\tCtrl-F3"), _T("Checkable item"), true); } void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *menubar = GetMenuBar(); wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 2); menu->Append(Menu_Dummy_Last, _T("&Dummy sub menu"), CreateDummyMenu(NULL), _T("Dummy sub menu help")); } void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *menubar = GetMenuBar(); wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); size_t count = menu->GetMenuItemCount(); if ( !count ) { wxLogWarning(_T("No items to delete!")); } else { menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData()); } } void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *menubar = GetMenuBar(); wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth, _T("Fourth dummy item\tCtrl-F4"))); menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, _T(""))); } void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuItem *item = GetLastMenuItem(); if ( item ) { item->Enable(!item->IsEnabled()); } } void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuItem *item = GetLastMenuItem(); item->Toggle(); } void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event) { wxLogNull nolog; wxMenuItem *item = GetLastMenuItem(); event.Enable(item && item->IsCheckable()); } void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuItem *item = GetLastMenuItem(); if ( item ) { wxLogMessage(_T("The label of the last menu item is '%s'"), item->GetLabel().c_str()); } } #if wxUSE_TEXTDLG void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuItem *item = GetLastMenuItem(); if ( item ) { wxString label = wxGetTextFromUser ( _T("Enter new label: "), _T("Change last menu item text"), item->GetLabel(), this ); if ( !label.empty() ) { item->SetText(label); } } } #endif void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event)) { wxMenuItem *item = GetLastMenuItem(); if ( item ) { wxString msg; msg << _T("The item is ") << (item->IsEnabled() ? _T("enabled") : _T("disabled")) << _T('\n'); if ( item->IsCheckable() ) { msg << _T("It is checkable and ") << (item->IsChecked() ? _T("") : _T("un")) << _T("checked\n"); } #if wxUSE_ACCEL wxAcceleratorEntry *accel = item->GetAccel(); if ( accel ) { msg << _T("Its accelerator is "); int flags = accel->GetFlags(); if ( flags & wxACCEL_ALT ) msg << _T("Alt-"); if ( flags & wxACCEL_CTRL ) msg << _T("Ctrl-"); if ( flags & wxACCEL_SHIFT ) msg << _T("Shift-"); int code = accel->GetKeyCode(); switch ( code ) { case WXK_F1: case WXK_F2: case WXK_F3: case WXK_F4: case WXK_F5: case WXK_F6: case WXK_F7: case WXK_F8: case WXK_F9: case WXK_F10: case WXK_F11: case WXK_F12: msg << _T('F') << code - WXK_F1 + 1; break; // if there are any other keys wxGetAccelFromString() may return, // we should process them here default: if ( wxIsalnum(code) ) { msg << (wxChar)code; break; } wxFAIL_MSG( _T("unknown keyboard accel") ); } delete accel; } else { msg << _T("It doesn't have an accelerator"); } #endif // wxUSE_ACCEL wxLogMessage(msg); } } #if wxUSE_TEXTDLG void MyFrame::OnFindMenuItem(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); wxCHECK_RET( count, _T("no last menu?") ); wxString label = wxGetTextFromUser ( _T("Enter label to search for: "), _T("Find menu item"), _T(""), this ); if ( !label.empty() ) { size_t menuindex; int index = wxNOT_FOUND; for (menuindex = 0; (menuindex < count) && (index == wxNOT_FOUND); ++menuindex) { index = mbar->FindMenuItem(mbar->GetMenu(menuindex)->GetTitle(), label); } if (index == wxNOT_FOUND) { wxLogWarning(_T("No menu item with label '%s'"), label.c_str()); } else { wxLogMessage(_T("Menu item %d in menu %lu has label '%s'"), index, (unsigned long)menuindex, label.c_str()); } } } #endif void MyFrame::ShowContextMenu(const wxPoint& pos) { wxMenu menu(_T("Test popup")); menu.Append(Menu_Help_About, _T("&About")); menu.Append(Menu_Popup_Submenu, _T("&Submenu"), CreateDummyMenu(NULL)); menu.Append(Menu_Popup_ToBeDeleted, _T("To be &deleted")); menu.AppendCheckItem(Menu_Popup_ToBeChecked, _T("To be &checked")); menu.Append(Menu_Popup_ToBeGreyed, _T("To be &greyed"), _T("This menu item should be initially greyed out")); menu.AppendSeparator(); menu.Append(Menu_File_Quit, _T("E&xit")); menu.Delete(Menu_Popup_ToBeDeleted); menu.Check(Menu_Popup_ToBeChecked, true); menu.Enable(Menu_Popup_ToBeGreyed, false); PopupMenu(&menu, pos.x, pos.y); // test for destroying items in popup menus #if 0 // doesn't work in wxGTK! menu.Destroy(Menu_Popup_Submenu); PopupMenu( &menu, event.GetX(), event.GetY() ); #endif // 0 } void MyFrame::OnTestNormal(wxCommandEvent& WXUNUSED(event)) { wxLogMessage(_T("Normal item selected")); } void MyFrame::OnTestCheck(wxCommandEvent& event) { wxLogMessage(_T("Check item %schecked"), event.IsChecked() ? _T("") : _T("un")); } void MyFrame::OnTestRadio(wxCommandEvent& event) { wxLogMessage(_T("Radio item %d selected"), event.GetId() - Menu_Test_Radio1 + 1); } #if USE_LOG_WINDOW void MyFrame::LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what) { wxString msg; msg << _T("A ") << ( event.IsPopup() ? _T("popup ") : _T("") ) << _T("menu has been ") << what << _T("."); wxLogStatus(this, msg.c_str()); } #endif void MyFrame::OnUpdateSubMenuNormal(wxUpdateUIEvent& event) { event.Enable(false); } void MyFrame::OnUpdateSubMenuCheck(wxUpdateUIEvent& event) { event.Enable(true); event.Check(true); } void MyFrame::OnUpdateSubMenuRadio(wxUpdateUIEvent& event) { int which = (event.GetId() - Menu_SubMenu_Radio1 + 1); if (which == 2) event.Check(true); else event.Check(false); } void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event)) { #if USE_LOG_WINDOW if ( !m_textctrl ) return; // leave a band below for popup menu testing wxSize size = GetClientSize(); m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4); #endif // this is really ugly but we have to do it as we can't just call // event.Skip() because wxFrameBase would make the text control fill the // entire frame then #ifdef __WXUNIVERSAL__ PositionMenuBar(); #endif // __WXUNIVERSAL__ }