X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1987af7e9f5685198b0c19e2326eebf7e56b7834..1b21409b36057d8281675973a7c3a1d77d9c0ddb:/samples/menu/menu.cpp diff --git a/samples/menu/menu.cpp b/samples/menu/menu.cpp index 7fa2267150..942d2df319 100644 --- a/samples/menu/menu.cpp +++ b/samples/menu/menu.cpp @@ -18,18 +18,29 @@ // ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx/wx.h". -#include +#include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif #ifndef WX_PRECOMP - #include - - #include + #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 + +#include "copy.xpm" + // ---------------------------------------------------------------------------- // classes // ---------------------------------------------------------------------------- @@ -47,9 +58,14 @@ class MyFrame: public wxFrame public: MyFrame(); - virtual ~MyFrame() { delete m_menu; } + virtual ~MyFrame(); + void LogMenuEvent(const wxCommandEvent& event); + +protected: void OnQuit(wxCommandEvent& event); + void OnClearLog(wxCommandEvent& event); + void OnAbout(wxCommandEvent& event); void OnDummy(wxCommandEvent& event); @@ -62,24 +78,71 @@ public: void OnEnableMenuItem(wxCommandEvent& event); void OnGetLabelMenuItem(wxCommandEvent& event); void OnSetLabelMenuItem(wxCommandEvent& event); + void OnGetMenuItemInfo(wxCommandEvent& event); 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); - void OnRightDown(wxMouseEvent& event); +#ifdef __WXMSW__ + void OnContextMenu(wxContextMenuEvent& event) + { ShowContextMenu(ScreenToClient(event.GetPosition())); } +#else + void OnRightUp(wxMouseEvent& event) + { ShowContextMenu(event.GetPosition()); } +#endif + + void OnMenuOpen(wxMenuEvent& event) + { LogMenuOpenOrClose(event, _T("opened")); } + void OnMenuClose(wxMenuEvent& event) + { LogMenuOpenOrClose(event, _T("closed")); } void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event); + void OnSize(wxSizeEvent& event); + private: - wxMenu *CreateDummyMenu(); + void LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what); + void ShowContextMenu(const wxPoint& pos); + + wxMenu *CreateDummyMenu(wxString *title); wxMenuItem *GetLastMenuItem() const; - wxMenu *m_menu; + // the menu previously detached from the menubar (may be NULL) + wxMenu *m_menu; + + // the count of dummy menus already created + size_t m_countDummy; + + // the control used for logging + wxTextCtrl *m_textctrl; + + // 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() }; @@ -91,9 +154,11 @@ private: enum { Menu_File_Quit = 100, + Menu_File_ClearLog, Menu_MenuBar_Toggle = 200, Menu_MenuBar_Append, + Menu_MenuBar_Insert, Menu_MenuBar_Delete, Menu_MenuBar_Enable, Menu_MenuBar_GetLabel, @@ -107,6 +172,7 @@ enum Menu_Menu_Check, Menu_Menu_GetLabel, Menu_Menu_SetLabel, + Menu_Menu_GetInfo, Menu_Dummy_First = 400, Menu_Dummy_Second, @@ -129,12 +195,14 @@ enum // ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(Menu_File_Quit, MyFrame::OnQuit) + EVT_MENU(Menu_File_Quit, MyFrame::OnQuit) + EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog) 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) @@ -145,15 +213,29 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) 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_Check, MyFrame::OnCheckMenuItem) EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem) EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem) + EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo) EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy) EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI) - EVT_RIGHT_DOWN(MyFrame::OnRightDown) +#ifdef __WXMSW__ + 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(-1, MyEvtHandler::OnMenuEvent) END_EVENT_TABLE() // ============================================================================ @@ -175,7 +257,9 @@ bool MyApp::OnInit() frame->Show(TRUE); - frame->SetStatusText("Hello, wxWindows"); +#if wxUSE_STATUSBAR + frame->SetStatusText("Welcome to wxWindows menu sample"); +#endif // wxUSE_STATUSBAR SetTopWindow(frame); @@ -189,19 +273,32 @@ bool MyApp::OnInit() // Define my frame constructor MyFrame::MyFrame() : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample", - wxDefaultPosition, wxSize(300, 200)) + wxDefaultPosition, wxSize(400, 250)) { + m_textctrl = NULL; m_menu = NULL; + m_countDummy = 0; + m_logOld = NULL; +#if wxUSE_STATUSBAR CreateStatusBar(); +#endif // wxUSE_STATUSBAR // create the menubar wxMenu *fileMenu = new wxMenu; - fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" ); + + wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog, + "Clear &log\tCtrl-L"); + item->SetBitmap(copy_xpm); + fileMenu->Append(item); + fileMenu->AppendSeparator(); + fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit menu sample"); wxMenu *menubarMenu = new wxMenu; menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A", "Append a menu to the menubar"); + menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I", + "Insert a menu into the menubar"); menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D", "Delete the last menu from the menubar"); menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T", @@ -234,6 +331,9 @@ MyFrame::MyFrame() "Get the label of the last menu item"); menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S", "Change the label of the last menu item"); + menuMenu->AppendSeparator(); + menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F", + "Show the state of the last menu item"); wxMenu *helpMenu = new wxMenu; helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample"); @@ -253,14 +353,48 @@ MyFrame::MyFrame() // 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)); + + // create the log text window + m_textctrl = new wxTextCtrl(this, -1, _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")); } -wxMenu *MyFrame::CreateDummyMenu() +MyFrame::~MyFrame() +{ + delete m_menu; + + // delete the event handler installed in ctor + PopEventHandler(TRUE); + + // restore old logger + delete wxLog::SetActiveTarget(m_logOld); +} + +wxMenu *MyFrame::CreateDummyMenu(wxString *title) { wxMenu *menu = new wxMenu; - menu->Append(Menu_Dummy_First, "First item\tCtrl-F1"); + menu->Append(Menu_Dummy_First, "&First item\tCtrl-F1"); menu->AppendSeparator(); - menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE); + menu->Append(Menu_Dummy_Second, "&Second item\tCtrl-F2", "", TRUE); + + if ( title ) + { + title->Printf(wxT("Dummy menu &%d"), ++m_countDummy); + } return menu; } @@ -273,7 +407,7 @@ wxMenuItem *MyFrame::GetLastMenuItem() const wxMenuItemList::Node *node = menu->GetMenuItems().GetLast(); if ( !node ) { - wxLogWarning("No last item in the last menu!"); + wxLogWarning(wxT("No last item in the last menu!")); return NULL; } @@ -283,14 +417,39 @@ wxMenuItem *MyFrame::GetLastMenuItem() const } } +void MyFrame::LogMenuEvent(const wxCommandEvent& event) +{ + int id = event.GetId(); + if ( !GetMenuBar()->FindItem(id) ) + return; + + wxString msg = wxString::Format(wxT("Menu command %d"), id); + if ( GetMenuBar()->FindItem(id)->IsCheckable() ) + { + msg += wxString::Format(wxT(" (the item is currently %schecked)"), + event.IsChecked() ? "" : "not "); + } + + wxLogMessage(msg); +} + +// ---------------------------------------------------------------------------- +// menu callbacks +// ---------------------------------------------------------------------------- + void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { Close(TRUE); } +void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event)) +{ + m_textctrl->Clear(); +} + void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - (void)wxMessageBox("wxWindows toolbar sample", + (void)wxMessageBox("wxWindows menu sample\n© 1999-2001 Vadim Zeitlin", "About wxWindows menu sample", wxICON_INFORMATION); } @@ -303,7 +462,7 @@ void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event)) if ( count == 2 ) { // don't let delete the first 2 menus - wxLogError("Can't delete any more menus"); + wxLogError(wxT("Can't delete any more menus")); } else { @@ -311,14 +470,18 @@ void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event)) } } -void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event)) +void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event)) { - static int s_count = 0; - wxString title; - title.Printf("Dummy menu &%d", ++s_count); + wxMenu *menu = CreateDummyMenu(&title); + GetMenuBar()->Insert(0, menu, title); +} - GetMenuBar()->Append(CreateDummyMenu(), title); +void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event)) +{ + wxString title; + wxMenu *menu = CreateDummyMenu(&title); + GetMenuBar()->Append(menu, title); } void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event)) @@ -337,15 +500,12 @@ void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event)) } } -void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event)) +void MyFrame::OnEnableMenu(wxCommandEvent& event) { wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); - static bool s_enabled = TRUE; - - s_enabled = !s_enabled; - mbar->EnableTop(count - 1, s_enabled); + mbar->EnableTop(count - 1, event.IsChecked()); } void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event)) @@ -353,7 +513,9 @@ void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event)) wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); - wxLogMessage("The label of the last menu item is '%s'", + wxCHECK_RET( count, _T("no last menu?") ); + + wxLogMessage(wxT("The label of the last menu item is '%s'"), mbar->GetLabelTop(count - 1).c_str()); } @@ -362,14 +524,25 @@ void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event)) wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); - mbar->SetLabelTop(count - 1, "Dummy label &0"); + 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::OnDummy(wxCommandEvent& event) { - wxString s; - s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1); - wxMessageBox(s, "Menu sample", wxICON_INFORMATION); + wxLogMessage(wxT("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1); } void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event)) @@ -378,17 +551,18 @@ void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event)) wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); menu->AppendSeparator(); - menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3", + menu->Append(Menu_Dummy_Third, "&Third dummy item\tCtrl-F3", "Checkable item", TRUE); } void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event)) { wxMenuBar *menubar = GetMenuBar(); + wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1); - menu->Append(Menu_Dummy_Last, "Dummy sub menu\tCtrl-F12", - CreateDummyMenu()); + menu->Append(Menu_Dummy_Last, "&Dummy sub menu", + CreateDummyMenu(NULL), "Dummy sub menu help"); } void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event)) @@ -399,7 +573,7 @@ void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event)) size_t count = menu->GetMenuItemCount(); if ( !count ) { - wxLogWarning("No items to delete!"); + wxLogWarning(wxT("No items to delete!")); } else { @@ -436,6 +610,8 @@ void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event)) void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event) { + wxLogNull nolog; + wxMenuItem *item = GetLastMenuItem(); event.Enable(item && item->IsCheckable()); @@ -447,7 +623,7 @@ void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event)) if ( item ) { - wxLogMessage("The label of the last menu item is '%s'", + wxLogMessage(wxT("The label of the last menu item is '%s'"), item->GetLabel().c_str()); } } @@ -458,19 +634,105 @@ void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event)) if ( item ) { - item->SetText("Dummy menu item text"); + wxString label = wxGetTextFromUser + ( + _T("Enter new label: "), + _T("Change last menu item text"), + item->GetLabel(), + this + ); + + if ( !label.empty() ) + { + item->SetText(label); + } } } -void MyFrame::OnRightDown(wxMouseEvent &event ) +void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event)) +{ + wxMenuItem *item = GetLastMenuItem(); + + if ( item ) + { + wxString msg; + msg << "The item is " << (item->IsEnabled() ? "enabled" + : "disabled") + << '\n'; + + if ( item->IsCheckable() ) + { + msg << "It is checkable and " << (item->IsChecked() ? "" : "un") + << "checked\n"; + } + +#if wxUSE_ACCEL + wxAcceleratorEntry *accel = item->GetAccel(); + if ( accel ) + { + msg << "Its accelerator is "; + + int flags = accel->GetFlags(); + if ( flags & wxACCEL_ALT ) + msg << wxT("Alt-"); + if ( flags & wxACCEL_CTRL ) + msg << wxT("Ctrl-"); + if ( flags & wxACCEL_SHIFT ) + msg << wxT("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 << wxT('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( wxT("unknown keyboard accel") ); + } + + delete accel; + } + else + { + msg << "It doesn't have an accelerator"; + } +#endif // wxUSE_ACCEL + + wxLogMessage(msg); + } +} + +void MyFrame::ShowContextMenu(const wxPoint& pos) { wxMenu menu("Test popup"); menu.Append(Menu_Help_About, "&About"); - menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu()); - menu.Append(Menu_Popup_ToBeDeleted, "To be deleted"); - menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE); - menu.Append(Menu_Popup_ToBeGreyed, "To be greyed"); + menu.Append(Menu_Popup_Submenu, "&Submenu", CreateDummyMenu(NULL)); + menu.Append(Menu_Popup_ToBeDeleted, "To be &deleted"); + menu.Append(Menu_Popup_ToBeChecked, "To be &checked", "", TRUE); + menu.Append(Menu_Popup_ToBeGreyed, "To be &greyed"); menu.AppendSeparator(); menu.Append(Menu_File_Quit, "E&xit"); @@ -478,5 +740,36 @@ void MyFrame::OnRightDown(wxMouseEvent &event ) 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::LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what) +{ + wxLogStatus(this, _T("A %smenu has been %s."), + event.IsPopup() ? _T("popup ") : _T(""), what); } + +void MyFrame::OnSize(wxSizeEvent& event) +{ + 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); + + // 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__ +} +