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wxWidgets/samples/menu/menu.cpp
Vadim Zeitlin 4bc1afd502 added text style support to wxTextCtrl for MSW 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10345 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2001-05-27 03:28:28 +00:00

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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/wx.h>
#include <wx/log.h>
#endif
#if !wxUSE_MENUS
// nice try...
#error "menu sample requires wxUSE_MENUS=1"
#endif // wxUSE_MENUS
#include "copy.xpm"
#ifdef __WXUNIVERSAL__
#include "wx/univ/theme.h"
WX_USE_THEME(win32);
WX_USE_THEME(gtk);
// not implemented yet
#define wxMessageBox
#endif // __WXUNIVERSAL__
// ----------------------------------------------------------------------------
// 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);
void OnQuit(wxCommandEvent& event);
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);
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);
void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
private:
wxMenu *CreateDummyMenu(wxString *title);
wxMenuItem *GetLastMenuItem() const;
wxMenu *m_menu;
size_t m_countDummy;
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 = 100,
Menu_MenuBar_Toggle = 200,
Menu_MenuBar_Append,
Menu_MenuBar_Insert,
Menu_MenuBar_Delete,
Menu_MenuBar_Enable,
Menu_MenuBar_GetLabel,
Menu_MenuBar_SetLabel,
Menu_Menu_Append = 300,
Menu_Menu_AppendSub,
Menu_Menu_Insert,
Menu_Menu_Delete,
Menu_Menu_Enable,
Menu_Menu_Check,
Menu_Menu_GetLabel,
Menu_Menu_SetLabel,
Menu_Menu_GetInfo,
Menu_Dummy_First = 400,
Menu_Dummy_Second,
Menu_Dummy_Third,
Menu_Dummy_Fourth,
Menu_Dummy_Last,
Menu_Help_About = 1000,
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)
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)
EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
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)
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)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
EVT_MENU(-1, 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("Hello, wxWindows");
#endif // wxUSE_STATUSBAR
SetTopWindow(frame);
return TRUE;
}
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
// Define my frame constructor
MyFrame::MyFrame()
: wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
wxDefaultPosition, wxSize(300, 200))
{
m_menu = NULL;
m_countDummy = 0;
#if wxUSE_STATUSBAR
CreateStatusBar(2);
#endif // wxUSE_STATUSBAR
// create the menubar
wxMenu *fileMenu = new wxMenu;
fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample");
wxMenuItem *itemBitmap = new wxMenuItem(fileMenu, Menu_File_Quit,
"Quit with &bitmap\tAlt-Q");
itemBitmap->SetBitmap(wxBitmap(copy_xpm));
fileMenu->Append(itemBitmap);
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",
"Toggle the first menu in the menubar", TRUE);
menubarMenu->AppendSeparator();
menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
"Enable or disable the last menu", TRUE);
menubarMenu->AppendSeparator();
menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
"Get the label of the last menu");
menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
"Change the label of the last menu");
wxMenu *menuMenu = new wxMenu;
menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
"Append a menu item to the last menu");
menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
"Append a sub menu to the last menu");
menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
"Insert a menu item in head of the last menu");
menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
"Delete the last menu item from the last menu");
menuMenu->AppendSeparator();
menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
"Enable or disable the last menu item", TRUE);
menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
"Check or uncheck the last menu item", TRUE);
menuMenu->AppendSeparator();
menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
"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");
wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
menuBar->Append(fileMenu, "&File");
menuBar->Append(menubarMenu, "Menu&bar");
menuBar->Append(menuMenu, "&Menu");
menuBar->Append(helpMenu, "&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));
}
MyFrame::~MyFrame()
{
delete m_menu;
// delete the event handler installed in ctor
PopEventHandler(TRUE);
}
wxMenu *MyFrame::CreateDummyMenu(wxString *title)
{
wxMenu *menu = new wxMenu;
menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
menu->AppendSeparator();
menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);
if ( title )
{
title->Printf("Dummy menu &%d", ++m_countDummy);
}
return menu;
}
wxMenuItem *MyFrame::GetLastMenuItem() const
{
wxMenuBar *menubar = GetMenuBar();
wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
if ( !node )
{
wxLogWarning("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("Menu command %d", id);
if ( GetMenuBar()->FindItem(id)->IsCheckable() )
{
msg += wxString::Format(" (the item is currently %schecked)",
event.IsChecked() ? "" : "not ");
}
#if wxUSE_STATUSBAR
SetStatusText(msg, 1);
#endif // wxUSE_STATUSBAR
}
// ----------------------------------------------------------------------------
// menu callbacks
// ----------------------------------------------------------------------------
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
(void)wxMessageBox("wxWindows toolbar sample",
"About wxWindows 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("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, "&File");
m_menu = NULL;
}
}
void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
{
wxMenuBar *mbar = GetMenuBar();
size_t count = mbar->GetMenuCount();
static bool s_enabled = TRUE;
s_enabled = !s_enabled;
mbar->EnableTop(count - 1, s_enabled);
}
void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
{
wxMenuBar *mbar = GetMenuBar();
size_t count = mbar->GetMenuCount();
wxLogMessage("The label of the last menu item is '%s'",
mbar->GetLabelTop(count - 1).c_str());
}
void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
{
wxMenuBar *mbar = GetMenuBar();
size_t count = mbar->GetMenuCount();
mbar->SetLabelTop(count - 1, "Dummy label &0");
}
void MyFrame::OnDummy(wxCommandEvent& event)
{
wxString s;
s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
}
void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
{
wxMenuBar *menubar = GetMenuBar();
wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
menu->AppendSeparator();
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",
CreateDummyMenu(NULL), "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("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("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::OnRightDown(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
menu.Destroy(Menu_Popup_Submenu);
PopupMenu( &menu, event.GetX(), event.GetY() );
#endif // 0
}
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