X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/32db328c7a66ab2c479e1b9dc567b74e0f23257e..60df0f96859fb0131ddfa8b477612a15f4a43790:/samples/menu/menu.cpp diff --git a/samples/menu/menu.cpp b/samples/menu/menu.cpp index 1b098b2f39..63a7454627 100644 --- a/samples/menu/menu.cpp +++ b/samples/menu/menu.cpp @@ -18,18 +18,28 @@ // ---------------------------------------------------------------------------- // 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" #endif +#if !wxUSE_MENUS + // nice try... + #error "menu sample requires wxUSE_MENUS=1" +#endif // wxUSE_MENUS + +#include "copy.xpm" + // ---------------------------------------------------------------------------- // classes // ---------------------------------------------------------------------------- @@ -47,9 +57,14 @@ 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); @@ -72,19 +87,48 @@ public: void OnGetLabelMenu(wxCommandEvent& event); void OnSetLabelMenu(wxCommandEvent& event); - void OnRightDown(wxMouseEvent& event); + void OnRightUp(wxMouseEvent& event); void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event); + void OnSize(wxSizeEvent& event); + private: 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() }; @@ -95,6 +139,7 @@ private: enum { Menu_File_Quit = 100, + Menu_File_ClearLog, Menu_MenuBar_Toggle = 200, Menu_MenuBar_Append, @@ -135,7 +180,8 @@ 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) @@ -161,7 +207,13 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI) - EVT_RIGHT_DOWN(MyFrame::OnRightDown) + EVT_RIGHT_UP(MyFrame::OnRightUp) + + EVT_SIZE(MyFrame::OnSize) +END_EVENT_TABLE() + +BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler) + EVT_MENU(-1, MyEvtHandler::OnMenuEvent) END_EVENT_TABLE() // ============================================================================ @@ -183,7 +235,9 @@ 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); @@ -199,14 +253,24 @@ MyFrame::MyFrame() : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample", wxDefaultPosition, wxSize(300, 200)) { + 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", @@ -267,18 +331,45 @@ 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); + m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl)); + + wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu\n") + _T("append/insert/delete items to/from the last menu.\n") + _T("The commands from \"Menubar\" menu work with the\n") + _T("menubar itself.\n") + _T("Right click the band below to test popup menus.\n")); +} + +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("Dummy menu &%d", ++m_countDummy); + title->Printf(wxT("Dummy menu &%d"), ++m_countDummy); } return menu; @@ -292,7 +383,7 @@ 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; } @@ -302,14 +393,39 @@ 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); } @@ -322,7 +438,7 @@ 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 { @@ -360,15 +476,12 @@ 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)) @@ -376,7 +489,7 @@ void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event)) wxMenuBar *mbar = GetMenuBar(); size_t count = mbar->GetMenuCount(); - wxLogMessage("The label of the last menu item is '%s'", + wxLogMessage(wxT("The label of the last menu item is '%s'"), mbar->GetLabelTop(count - 1).c_str()); } @@ -390,9 +503,7 @@ void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event)) 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)) @@ -401,18 +512,18 @@ 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-F2", - CreateDummyMenu(NULL)); + + menu->Append(Menu_Dummy_Last, "&Dummy sub menu", + CreateDummyMenu(NULL), "Dummy sub menu help"); } void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event)) @@ -423,7 +534,7 @@ 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 { @@ -473,7 +584,7 @@ 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()); } } @@ -498,7 +609,7 @@ void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event)) msg << "The item is " << (item->IsEnabled() ? "enabled" : "disabled") << '\n'; - + if ( item->IsCheckable() ) { msg << "It is checkable and " << (item->IsChecked() ? "" : "un") @@ -563,21 +674,46 @@ void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event)) } } -void MyFrame::OnRightDown(wxMouseEvent &event ) +void MyFrame::OnRightUp(wxMouseEvent &event) { wxMenu menu("Test popup"); menu.Append(Menu_Help_About, "&About"); - 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.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"); - //menu.Delete(Menu_Popup_ToBeDeleted); + menu.Delete(Menu_Popup_ToBeDeleted); menu.Check(Menu_Popup_ToBeChecked, TRUE); menu.Enable(Menu_Popup_ToBeGreyed, FALSE); + PopupMenu(&menu, event.GetX(), event.GetY()); + + // 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::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__ } +