92a19c2e77
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12212 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
720 lines
20 KiB
C++
720 lines
20 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: samples/menu.cpp
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// Purpose: wxMenu/wxMenuBar sample
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 01.11.99
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// RCS-ID: $Id$
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// Copyright: (c) 1999 Vadim Zeitlin
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <wx/app.h>
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#include <wx/frame.h>
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#include <wx/menu.h>
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#include <wx/msgdlg.h>
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#include <wx/log.h>
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#include <wx/textctrl.h>
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#endif
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#if !wxUSE_MENUS
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// nice try...
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#error "menu sample requires wxUSE_MENUS=1"
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#endif // wxUSE_MENUS
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#include "copy.xpm"
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// ----------------------------------------------------------------------------
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// classes
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// ----------------------------------------------------------------------------
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// Define a new application
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class MyApp: public wxApp
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{
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public:
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bool OnInit();
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};
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// Define a new frame
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class MyFrame: public wxFrame
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{
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public:
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MyFrame();
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virtual ~MyFrame();
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void LogMenuEvent(const wxCommandEvent& event);
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protected:
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void OnQuit(wxCommandEvent& event);
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void OnClearLog(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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void OnDummy(wxCommandEvent& event);
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void OnAppendMenuItem(wxCommandEvent& event);
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void OnAppendSubMenu(wxCommandEvent& event);
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void OnDeleteMenuItem(wxCommandEvent& event);
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void OnInsertMenuItem(wxCommandEvent& event);
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void OnCheckMenuItem(wxCommandEvent& event);
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void OnEnableMenuItem(wxCommandEvent& event);
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void OnGetLabelMenuItem(wxCommandEvent& event);
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void OnSetLabelMenuItem(wxCommandEvent& event);
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void OnGetMenuItemInfo(wxCommandEvent& event);
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void OnAppendMenu(wxCommandEvent& event);
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void OnInsertMenu(wxCommandEvent& event);
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void OnDeleteMenu(wxCommandEvent& event);
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void OnToggleMenu(wxCommandEvent& event);
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void OnEnableMenu(wxCommandEvent& event);
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void OnGetLabelMenu(wxCommandEvent& event);
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void OnSetLabelMenu(wxCommandEvent& event);
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void OnRightUp(wxMouseEvent& event);
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void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
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void OnSize(wxSizeEvent& event);
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private:
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wxMenu *CreateDummyMenu(wxString *title);
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wxMenuItem *GetLastMenuItem() const;
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// the menu previously detached from the menubar (may be NULL)
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wxMenu *m_menu;
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// the count of dummy menus already created
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size_t m_countDummy;
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// the control used for logging
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wxTextCtrl *m_textctrl;
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// the previous log target
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wxLog *m_logOld;
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DECLARE_EVENT_TABLE()
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};
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// A small helper class which intercepts all menu events and logs them
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class MyEvtHandler : public wxEvtHandler
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{
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public:
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MyEvtHandler(MyFrame *frame) { m_frame = frame; }
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void OnMenuEvent(wxCommandEvent& event)
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{
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m_frame->LogMenuEvent(event);
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event.Skip();
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}
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private:
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MyFrame *m_frame;
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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enum
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{
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Menu_File_Quit = 100,
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Menu_File_ClearLog,
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Menu_MenuBar_Toggle = 200,
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Menu_MenuBar_Append,
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Menu_MenuBar_Insert,
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Menu_MenuBar_Delete,
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Menu_MenuBar_Enable,
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Menu_MenuBar_GetLabel,
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Menu_MenuBar_SetLabel,
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Menu_Menu_Append = 300,
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Menu_Menu_AppendSub,
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Menu_Menu_Insert,
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Menu_Menu_Delete,
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Menu_Menu_Enable,
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Menu_Menu_Check,
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Menu_Menu_GetLabel,
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Menu_Menu_SetLabel,
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Menu_Menu_GetInfo,
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Menu_Dummy_First = 400,
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Menu_Dummy_Second,
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Menu_Dummy_Third,
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Menu_Dummy_Fourth,
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Menu_Dummy_Last,
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Menu_Help_About = 1000,
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Menu_Popup_ToBeDeleted = 2000,
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Menu_Popup_ToBeGreyed,
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Menu_Popup_ToBeChecked,
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Menu_Popup_Submenu,
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Menu_Max
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
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EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)
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EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
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EVT_MENU(Menu_MenuBar_Toggle, MyFrame::OnToggleMenu)
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EVT_MENU(Menu_MenuBar_Append, MyFrame::OnAppendMenu)
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EVT_MENU(Menu_MenuBar_Insert, MyFrame::OnInsertMenu)
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EVT_MENU(Menu_MenuBar_Delete, MyFrame::OnDeleteMenu)
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EVT_MENU(Menu_MenuBar_Enable, MyFrame::OnEnableMenu)
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EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
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EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
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EVT_MENU(Menu_Menu_Append, MyFrame::OnAppendMenuItem)
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EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
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EVT_MENU(Menu_Menu_Insert, MyFrame::OnInsertMenuItem)
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EVT_MENU(Menu_Menu_Delete, MyFrame::OnDeleteMenuItem)
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EVT_MENU(Menu_Menu_Enable, MyFrame::OnEnableMenuItem)
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EVT_MENU(Menu_Menu_Check, MyFrame::OnCheckMenuItem)
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EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem)
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EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem)
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EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo)
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EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
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EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
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EVT_RIGHT_UP(MyFrame::OnRightUp)
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EVT_SIZE(MyFrame::OnSize)
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END_EVENT_TABLE()
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BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
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EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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IMPLEMENT_APP(MyApp)
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// The `main program' equivalent, creating the windows and returning the
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// main frame
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bool MyApp::OnInit()
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{
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// Create the main frame window
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MyFrame* frame = new MyFrame;
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frame->Show(TRUE);
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#if wxUSE_STATUSBAR
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frame->SetStatusText("Welcome to wxWindows menu sample");
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#endif // wxUSE_STATUSBAR
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SetTopWindow(frame);
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// MyFrame
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// ----------------------------------------------------------------------------
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// Define my frame constructor
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MyFrame::MyFrame()
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: wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
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wxDefaultPosition, wxSize(300, 200))
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{
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m_textctrl = NULL;
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m_menu = NULL;
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m_countDummy = 0;
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m_logOld = NULL;
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#if wxUSE_STATUSBAR
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CreateStatusBar();
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#endif // wxUSE_STATUSBAR
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// create the menubar
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wxMenu *fileMenu = new wxMenu;
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wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
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"Clear &log\tCtrl-L");
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item->SetBitmap(copy_xpm);
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fileMenu->Append(item);
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fileMenu->AppendSeparator();
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fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit menu sample");
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wxMenu *menubarMenu = new wxMenu;
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menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
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"Append a menu to the menubar");
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menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
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"Insert a menu into the menubar");
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menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
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"Delete the last menu from the menubar");
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menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
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"Toggle the first menu in the menubar", TRUE);
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menubarMenu->AppendSeparator();
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menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
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"Enable or disable the last menu", TRUE);
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menubarMenu->AppendSeparator();
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menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
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"Get the label of the last menu");
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menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
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"Change the label of the last menu");
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wxMenu *menuMenu = new wxMenu;
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menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
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"Append a menu item to the last menu");
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menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
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"Append a sub menu to the last menu");
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menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
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"Insert a menu item in head of the last menu");
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menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
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"Delete the last menu item from the last menu");
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menuMenu->AppendSeparator();
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menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
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"Enable or disable the last menu item", TRUE);
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menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
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"Check or uncheck the last menu item", TRUE);
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menuMenu->AppendSeparator();
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menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
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"Get the label of the last menu item");
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menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
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"Change the label of the last menu item");
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menuMenu->AppendSeparator();
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menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
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"Show the state of the last menu item");
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wxMenu *helpMenu = new wxMenu;
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helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
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wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
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menuBar->Append(fileMenu, "&File");
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menuBar->Append(menubarMenu, "Menu&bar");
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menuBar->Append(menuMenu, "&Menu");
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menuBar->Append(helpMenu, "&Help");
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// these items should be initially checked
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menuBar->Check(Menu_MenuBar_Toggle, TRUE);
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menuBar->Check(Menu_MenuBar_Enable, TRUE);
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menuBar->Check(Menu_Menu_Enable, TRUE);
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menuBar->Check(Menu_Menu_Check, FALSE);
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// associate the menu bar with the frame
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SetMenuBar(menuBar);
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// intercept all menu events and log them in this custom event handler
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PushEventHandler(new MyEvtHandler(this));
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// create the log text window
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m_textctrl = new wxTextCtrl(this, -1, _T(""),
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wxDefaultPosition, wxDefaultSize,
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wxTE_MULTILINE);
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m_textctrl->SetEditable(FALSE);
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m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
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wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu\n")
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_T("append/insert/delete items to/from the last menu.\n")
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_T("The commands from \"Menubar\" menu work with the\n")
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_T("menubar itself.\n")
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_T("Right click the band below to test popup menus.\n"));
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}
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MyFrame::~MyFrame()
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{
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delete m_menu;
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// delete the event handler installed in ctor
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PopEventHandler(TRUE);
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// restore old logger
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delete wxLog::SetActiveTarget(m_logOld);
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}
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wxMenu *MyFrame::CreateDummyMenu(wxString *title)
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{
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wxMenu *menu = new wxMenu;
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menu->Append(Menu_Dummy_First, "&First item\tCtrl-F1");
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menu->AppendSeparator();
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menu->Append(Menu_Dummy_Second, "&Second item\tCtrl-F2", "", TRUE);
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if ( title )
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{
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title->Printf(wxT("Dummy menu &%d"), ++m_countDummy);
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}
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return menu;
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}
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wxMenuItem *MyFrame::GetLastMenuItem() const
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{
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wxMenuBar *menubar = GetMenuBar();
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wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
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wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
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if ( !node )
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{
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wxLogWarning(wxT("No last item in the last menu!"));
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return NULL;
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}
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else
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{
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return node->GetData();
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}
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}
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void MyFrame::LogMenuEvent(const wxCommandEvent& event)
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{
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int id = event.GetId();
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if ( !GetMenuBar()->FindItem(id) )
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return;
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wxString msg = wxString::Format(wxT("Menu command %d"), id);
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if ( GetMenuBar()->FindItem(id)->IsCheckable() )
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{
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msg += wxString::Format(wxT(" (the item is currently %schecked)"),
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event.IsChecked() ? "" : "not ");
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}
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wxLogMessage(msg);
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}
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// ----------------------------------------------------------------------------
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// menu callbacks
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// ----------------------------------------------------------------------------
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close(TRUE);
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}
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void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
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{
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m_textctrl->Clear();
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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(void)wxMessageBox("wxWindows menu sample\n<EFBFBD> 1999-2001 Vadim Zeitlin",
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"About wxWindows menu sample",
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wxICON_INFORMATION);
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}
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void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *mbar = GetMenuBar();
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size_t count = mbar->GetMenuCount();
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if ( count == 2 )
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{
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// don't let delete the first 2 menus
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wxLogError(wxT("Can't delete any more menus"));
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}
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else
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{
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delete mbar->Remove(count - 1);
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}
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}
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void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxString title;
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wxMenu *menu = CreateDummyMenu(&title);
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GetMenuBar()->Insert(0, menu, title);
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}
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void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxString title;
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wxMenu *menu = CreateDummyMenu(&title);
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GetMenuBar()->Append(menu, title);
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}
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void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *mbar = GetMenuBar();
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if ( !m_menu )
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{
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// hide the menu
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m_menu = mbar->Remove(0);
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}
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else
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{
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// restore it
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mbar->Insert(0, m_menu, "&File");
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m_menu = NULL;
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}
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}
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void MyFrame::OnEnableMenu(wxCommandEvent& event)
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{
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wxMenuBar *mbar = GetMenuBar();
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size_t count = mbar->GetMenuCount();
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mbar->EnableTop(count - 1, event.IsChecked());
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}
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void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *mbar = GetMenuBar();
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size_t count = mbar->GetMenuCount();
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wxLogMessage(wxT("The label of the last menu item is '%s'"),
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mbar->GetLabelTop(count - 1).c_str());
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}
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void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *mbar = GetMenuBar();
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size_t count = mbar->GetMenuCount();
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mbar->SetLabelTop(count - 1, "Dummy label &0");
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}
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void MyFrame::OnDummy(wxCommandEvent& event)
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{
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wxLogMessage(wxT("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);
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}
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void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *menubar = GetMenuBar();
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wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
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menu->AppendSeparator();
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menu->Append(Menu_Dummy_Third, "&Third dummy item\tCtrl-F3",
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"Checkable item", TRUE);
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}
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void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *menubar = GetMenuBar();
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wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
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menu->Append(Menu_Dummy_Last, "&Dummy sub menu",
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CreateDummyMenu(NULL), "Dummy sub menu help");
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}
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void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
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{
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wxMenuBar *menubar = GetMenuBar();
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wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
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size_t count = menu->GetMenuItemCount();
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if ( !count )
|
||
{
|
||
wxLogWarning(wxT("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,
|
||
"Fourth dummy item\tCtrl-F4"));
|
||
menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
|
||
}
|
||
|
||
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(wxT("The label of the last menu item is '%s'"),
|
||
item->GetLabel().c_str());
|
||
}
|
||
}
|
||
|
||
void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
|
||
{
|
||
wxMenuItem *item = GetLastMenuItem();
|
||
|
||
if ( item )
|
||
{
|
||
item->SetText("Dummy menu item text");
|
||
}
|
||
}
|
||
|
||
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::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.AppendSeparator();
|
||
menu.Append(Menu_File_Quit, "E&xit");
|
||
|
||
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__
|
||
}
|
||
|