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wxWidgets/samples/menu/menu.cpp

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/////////////////////////////////////////////////////////////////////////////
// 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__) || defined(__WXX11__) || defined(__WXMGL__)
#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);
#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->Append(Menu_Menu_SetLabel, _T("Set menu item label\tAlt-L"),
_T("Set the label of a menu item"));
#endif
#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, wxEmptyString,
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"),
wxEmptyString,
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));
}
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
);
label.Replace( _T("\\t"), _T("\t") );
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"),
wxEmptyString,
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);
}
#if USE_CONTEXT_MENU
void MyFrame::OnContextMenu(wxContextMenuEvent& event)
{
wxPoint point = event.GetPosition();
// If from keyboard
if (point.x == -1 && point.y == -1) {
wxSize size = GetSize();
point.x = size.x / 2;
point.y = size.y / 2;
} else {
point = ScreenToClient(point);
}
ShowContextMenu(point);
}
#endif
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__
}
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