[wxWidgets.git] / samples / menu / menu.cpp

/////////////////////////////////////////////////////////////////////////////
// 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

#include "copy.xpm"

// ----------------------------------------------------------------------------
// 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);

    frame->SetStatusText("Hello, wxWindows");

    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;

    CreateStatusBar(2);

    // create the menubar
    wxMenu *fileMenu = new wxMenu;
    fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" );
    
    wxMenuItem *bitmap_menu_item = new wxMenuItem( fileMenu, Menu_File_Quit, "Quit with &bitmap\tAlt-Q" );
    bitmap_menu_item->SetBitmap( wxBitmap( copy_xpm ) );
    fileMenu->Append( bitmap_menu_item ); 

    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();
    wxString msg = wxString::Format("Menu command %d", id);
    if ( GetMenuBar()->FindItem(id)->IsCheckable() )
    {
        msg += wxString::Format(" (the item is currently %schecked)",
                                event.IsChecked() ? "" : "not ");
    }

    SetStatusText(msg, 1);
}

// ----------------------------------------------------------------------------
// 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
}
Commit	Line	Data
717a57c2 VZ	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: samples/menu.cpp
	3	// Purpose: wxMenu/wxMenuBar sample
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 01.11.99
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1999 Vadim Zeitlin
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	// For compilers that support precompilation, includes "wx/wx.h".
	21	#include <wx/wxprec.h>
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	#ifndef WX_PRECOMP
	28	#include <wx/wx.h>
717a57c2 VZ	29	#include <wx/log.h>
	30	#endif
	31
fcaf9e70 RR	32	#include "copy.xpm"
fcaf9e70 RR	33
717a57c2 VZ	34	// ----------------------------------------------------------------------------
	35	// classes
	36	// ----------------------------------------------------------------------------
	37
	38	// Define a new application
	39	class MyApp: public wxApp
	40	{
	41	public:
	42	bool OnInit();
	43	};
	44
	45	// Define a new frame
	46	class MyFrame: public wxFrame
	47	{
	48	public:
	49	MyFrame();
	50
3ca6a5f0 BP	51	virtual ~MyFrame();
	52
	53	void LogMenuEvent(const wxCommandEvent& event);
717a57c2 VZ	54
	55	void OnQuit(wxCommandEvent& event);
	56	void OnAbout(wxCommandEvent& event);
	57
	58	void OnDummy(wxCommandEvent& event);
	59
	60	void OnAppendMenuItem(wxCommandEvent& event);
	61	void OnAppendSubMenu(wxCommandEvent& event);
	62	void OnDeleteMenuItem(wxCommandEvent& event);
	63	void OnInsertMenuItem(wxCommandEvent& event);
	64	void OnCheckMenuItem(wxCommandEvent& event);
	65	void OnEnableMenuItem(wxCommandEvent& event);
	66	void OnGetLabelMenuItem(wxCommandEvent& event);
	67	void OnSetLabelMenuItem(wxCommandEvent& event);
a80c322c	68	void OnGetMenuItemInfo(wxCommandEvent& event);
717a57c2 VZ	69
717a57c2 VZ	70	void OnAppendMenu(wxCommandEvent& event);
f03ec224	71	void OnInsertMenu(wxCommandEvent& event);
717a57c2 VZ	72	void OnDeleteMenu(wxCommandEvent& event);
	73	void OnToggleMenu(wxCommandEvent& event);
	74	void OnEnableMenu(wxCommandEvent& event);
	75	void OnGetLabelMenu(wxCommandEvent& event);
	76	void OnSetLabelMenu(wxCommandEvent& event);
	77
	78	void OnRightDown(wxMouseEvent& event);
	79
	80	void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
	81
	82	private:
f03ec224	83	wxMenu CreateDummyMenu(wxString title);
717a57c2 VZ	84
	85	wxMenuItem *GetLastMenuItem() const;
	86
	87	wxMenu *m_menu;
	88
f03ec224 VZ	89	size_t m_countDummy;
f03ec224 VZ	90
717a57c2 VZ	91	DECLARE_EVENT_TABLE()
	92	};
	93
3ca6a5f0 BP	94	// A small helper class which intercepts all menu events and logs them
	95	class MyEvtHandler : public wxEvtHandler
	96	{
	97	public:
	98	MyEvtHandler(MyFrame *frame) { m_frame = frame; }
	99
	100	void OnMenuEvent(wxCommandEvent& event)
	101	{
	102	m_frame->LogMenuEvent(event);
	103
	104	event.Skip();
	105	}
	106
	107	private:
	108	MyFrame *m_frame;
	109
	110	DECLARE_EVENT_TABLE()
	111	};
	112
717a57c2 VZ	113	// ----------------------------------------------------------------------------
	114	// constants
	115	// ----------------------------------------------------------------------------
	116
	117	enum
	118	{
	119	Menu_File_Quit = 100,
	120
	121	Menu_MenuBar_Toggle = 200,
	122	Menu_MenuBar_Append,
f03ec224	123	Menu_MenuBar_Insert,
717a57c2 VZ	124	Menu_MenuBar_Delete,
	125	Menu_MenuBar_Enable,
	126	Menu_MenuBar_GetLabel,
	127	Menu_MenuBar_SetLabel,
	128
	129	Menu_Menu_Append = 300,
	130	Menu_Menu_AppendSub,
	131	Menu_Menu_Insert,
	132	Menu_Menu_Delete,
	133	Menu_Menu_Enable,
	134	Menu_Menu_Check,
	135	Menu_Menu_GetLabel,
	136	Menu_Menu_SetLabel,
a80c322c	137	Menu_Menu_GetInfo,
717a57c2 VZ	138
	139	Menu_Dummy_First = 400,
	140	Menu_Dummy_Second,
	141	Menu_Dummy_Third,
	142	Menu_Dummy_Fourth,
	143	Menu_Dummy_Last,
	144
	145	Menu_Help_About = 1000,
	146
	147	Menu_Popup_ToBeDeleted = 2000,
	148	Menu_Popup_ToBeGreyed,
	149	Menu_Popup_ToBeChecked,
	150	Menu_Popup_Submenu,
	151
	152	Menu_Max
	153	};
	154
	155	// ----------------------------------------------------------------------------
	156	// event tables
	157	// ----------------------------------------------------------------------------
	158
	159	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	160	EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
	161
	162	EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
	163
	164	EVT_MENU(Menu_MenuBar_Toggle, MyFrame::OnToggleMenu)
	165	EVT_MENU(Menu_MenuBar_Append, MyFrame::OnAppendMenu)
f03ec224	166	EVT_MENU(Menu_MenuBar_Insert, MyFrame::OnInsertMenu)
717a57c2 VZ	167	EVT_MENU(Menu_MenuBar_Delete, MyFrame::OnDeleteMenu)
	168	EVT_MENU(Menu_MenuBar_Enable, MyFrame::OnEnableMenu)
	169	EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
	170	EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
	171
	172	EVT_MENU(Menu_Menu_Append, MyFrame::OnAppendMenuItem)
	173	EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
	174	EVT_MENU(Menu_Menu_Insert, MyFrame::OnInsertMenuItem)
	175	EVT_MENU(Menu_Menu_Delete, MyFrame::OnDeleteMenuItem)
	176	EVT_MENU(Menu_Menu_Enable, MyFrame::OnEnableMenuItem)
a80c322c	177	EVT_MENU(Menu_Menu_Check, MyFrame::OnCheckMenuItem)
717a57c2 VZ	178	EVT_MENU(Menu_Menu_GetLabel, MyFrame::OnGetLabelMenuItem)
717a57c2 VZ	179	EVT_MENU(Menu_Menu_SetLabel, MyFrame::OnSetLabelMenuItem)
a80c322c	180	EVT_MENU(Menu_Menu_GetInfo, MyFrame::OnGetMenuItemInfo)
717a57c2 VZ	181
	182	EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
	183
	184	EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
	185
	186	EVT_RIGHT_DOWN(MyFrame::OnRightDown)
	187	END_EVENT_TABLE()
	188
3ca6a5f0 BP	189	BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
	190	EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
	191	END_EVENT_TABLE()
	192
717a57c2 VZ	193	// ============================================================================
	194	// implementation
	195	// ============================================================================
	196
	197	// ----------------------------------------------------------------------------
	198	// MyApp
	199	// ----------------------------------------------------------------------------
	200
	201	IMPLEMENT_APP(MyApp)
	202
	203	// The `main program' equivalent, creating the windows and returning the
	204	// main frame
	205	bool MyApp::OnInit()
	206	{
	207	// Create the main frame window
	208	MyFrame* frame = new MyFrame;
	209
	210	frame->Show(TRUE);
	211
	212	frame->SetStatusText("Hello, wxWindows");
	213
	214	SetTopWindow(frame);
	215
	216	return TRUE;
	217	}
	218
	219	// ----------------------------------------------------------------------------
	220	// MyFrame
	221	// ----------------------------------------------------------------------------
	222
	223	// Define my frame constructor
	224	MyFrame::MyFrame()
	225	: wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
	226	wxDefaultPosition, wxSize(300, 200))
	227	{
	228	m_menu = NULL;
f03ec224	229	m_countDummy = 0;
717a57c2	230
3ca6a5f0	231	CreateStatusBar(2);
717a57c2 VZ	232
	233	// create the menubar
	234	wxMenu *fileMenu = new wxMenu;
	235	fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" );
fcaf9e70	236
8088e4c6	237	wxMenuItem *bitmap_menu_item = new wxMenuItem( fileMenu, Menu_File_Quit, "Quit with &bitmap\tAlt-Q" );
fcaf9e70 RR	238	bitmap_menu_item->SetBitmap( wxBitmap( copy_xpm ) );
fcaf9e70 RR	239	fileMenu->Append( bitmap_menu_item );
717a57c2 VZ	240
	241	wxMenu *menubarMenu = new wxMenu;
	242	menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
	243	"Append a menu to the menubar");
f03ec224 VZ	244	menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
f03ec224 VZ	245	"Insert a menu into the menubar");
717a57c2 VZ	246	menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
	247	"Delete the last menu from the menubar");
	248	menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
	249	"Toggle the first menu in the menubar", TRUE);
	250	menubarMenu->AppendSeparator();
	251	menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
	252	"Enable or disable the last menu", TRUE);
	253	menubarMenu->AppendSeparator();
	254	menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
	255	"Get the label of the last menu");
	256	menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
	257	"Change the label of the last menu");
	258
	259	wxMenu *menuMenu = new wxMenu;
	260	menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
	261	"Append a menu item to the last menu");
	262	menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
	263	"Append a sub menu to the last menu");
	264	menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
	265	"Insert a menu item in head of the last menu");
	266	menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
	267	"Delete the last menu item from the last menu");
	268	menuMenu->AppendSeparator();
	269	menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
	270	"Enable or disable the last menu item", TRUE);
	271	menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
	272	"Check or uncheck the last menu item", TRUE);
	273	menuMenu->AppendSeparator();
	274	menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
	275	"Get the label of the last menu item");
	276	menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
	277	"Change the label of the last menu item");
a80c322c VZ	278	menuMenu->AppendSeparator();
	279	menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
	280	"Show the state of the last menu item");
717a57c2 VZ	281
	282	wxMenu *helpMenu = new wxMenu;
	283	helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
	284
	285	wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
	286
	287	menuBar->Append(fileMenu, "&File");
	288	menuBar->Append(menubarMenu, "Menu&bar");
	289	menuBar->Append(menuMenu, "&Menu");
	290	menuBar->Append(helpMenu, "&Help");
	291
	292	// these items should be initially checked
	293	menuBar->Check(Menu_MenuBar_Toggle, TRUE);
	294	menuBar->Check(Menu_MenuBar_Enable, TRUE);
	295	menuBar->Check(Menu_Menu_Enable, TRUE);
	296	menuBar->Check(Menu_Menu_Check, FALSE);
	297
	298	// associate the menu bar with the frame
	299	SetMenuBar(menuBar);
3ca6a5f0 BP	300
	301	// intercept all menu events and log them in this custom event handler
	302	PushEventHandler(new MyEvtHandler(this));
	303	}
	304
	305	MyFrame::~MyFrame()
	306	{
	307	delete m_menu;
	308
	309	// delete the event handler installed in ctor
	310	PopEventHandler(TRUE);
717a57c2 VZ	311	}
717a57c2 VZ	312
f03ec224	313	wxMenu MyFrame::CreateDummyMenu(wxString title)
717a57c2 VZ	314	{
	315	wxMenu *menu = new wxMenu;
	316	menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
	317	menu->AppendSeparator();
	318	menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);
	319
f03ec224 VZ	320	if ( title )
	321	{
	322	title->Printf("Dummy menu &%d", ++m_countDummy);
	323	}
	324
717a57c2 VZ	325	return menu;
	326	}
	327
	328	wxMenuItem *MyFrame::GetLastMenuItem() const
	329	{
	330	wxMenuBar *menubar = GetMenuBar();
	331	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	332
	333	wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
	334	if ( !node )
	335	{
	336	wxLogWarning("No last item in the last menu!");
	337
	338	return NULL;
	339	}
	340	else
	341	{
	342	return node->GetData();
	343	}
	344	}
	345
3ca6a5f0 BP	346	void MyFrame::LogMenuEvent(const wxCommandEvent& event)
	347	{
	348	int id = event.GetId();
	349	wxString msg = wxString::Format("Menu command %d", id);
	350	if ( GetMenuBar()->FindItem(id)->IsCheckable() )
	351	{
	352	msg += wxString::Format(" (the item is currently %schecked)",
	353	event.IsChecked() ? "" : "not ");
	354	}
	355
	356	SetStatusText(msg, 1);
	357	}
	358
	359	// ----------------------------------------------------------------------------
	360	// menu callbacks
	361	// ----------------------------------------------------------------------------
	362
717a57c2 VZ	363	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	364	{
	365	Close(TRUE);
	366	}
	367
	368	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	369	{
	370	(void)wxMessageBox("wxWindows toolbar sample",
	371	"About wxWindows menu sample",
	372	wxICON_INFORMATION);
	373	}
	374
	375	void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
	376	{
	377	wxMenuBar *mbar = GetMenuBar();
	378
	379	size_t count = mbar->GetMenuCount();
	380	if ( count == 2 )
	381	{
	382	// don't let delete the first 2 menus
	383	wxLogError("Can't delete any more menus");
	384	}
	385	else
	386	{
	387	delete mbar->Remove(count - 1);
	388	}
	389	}
	390
f03ec224	391	void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
717a57c2	392	{
717a57c2	393	wxString title;
f03ec224 VZ	394	wxMenu *menu = CreateDummyMenu(&title);
	395	GetMenuBar()->Insert(0, menu, title);
	396	}
717a57c2	397
f03ec224 VZ	398	void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
	399	{
	400	wxString title;
	401	wxMenu *menu = CreateDummyMenu(&title);
	402	GetMenuBar()->Append(menu, title);
717a57c2 VZ	403	}
	404
	405	void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
	406	{
	407	wxMenuBar *mbar = GetMenuBar();
	408	if ( !m_menu )
	409	{
	410	// hide the menu
	411	m_menu = mbar->Remove(0);
	412	}
	413	else
	414	{
	415	// restore it
	416	mbar->Insert(0, m_menu, "&File");
	417	m_menu = NULL;
	418	}
	419	}
	420
	421	void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
	422	{
	423	wxMenuBar *mbar = GetMenuBar();
	424	size_t count = mbar->GetMenuCount();
	425
	426	static bool s_enabled = TRUE;
	427
	428	s_enabled = !s_enabled;
	429	mbar->EnableTop(count - 1, s_enabled);
	430	}
	431
	432	void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
	433	{
	434	wxMenuBar *mbar = GetMenuBar();
	435	size_t count = mbar->GetMenuCount();
	436
	437	wxLogMessage("The label of the last menu item is '%s'",
1987af7e	438	mbar->GetLabelTop(count - 1).c_str());
717a57c2 VZ	439	}
	440
	441	void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
	442	{
	443	wxMenuBar *mbar = GetMenuBar();
	444	size_t count = mbar->GetMenuCount();
	445
	446	mbar->SetLabelTop(count - 1, "Dummy label &0");
	447	}
	448
	449	void MyFrame::OnDummy(wxCommandEvent& event)
	450	{
	451	wxString s;
	452	s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
	453	wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
	454	}
	455
	456	void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
	457	{
	458	wxMenuBar *menubar = GetMenuBar();
	459	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	460
	461	menu->AppendSeparator();
	462	menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3",
	463	"Checkable item", TRUE);
	464	}
	465
	466	void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
	467	{
	468	wxMenuBar *menubar = GetMenuBar();
f6bcfd97	469
717a57c2	470	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
f6bcfd97 BP	471
	472	menu->Append(Menu_Dummy_Last, "Dummy sub menu",
	473	CreateDummyMenu(NULL), "Dummy sub menu help");
717a57c2 VZ	474	}
	475
	476	void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
	477	{
	478	wxMenuBar *menubar = GetMenuBar();
	479	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	480
	481	size_t count = menu->GetMenuItemCount();
	482	if ( !count )
	483	{
	484	wxLogWarning("No items to delete!");
	485	}
	486	else
	487	{
	488	menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
	489	}
	490	}
	491
	492	void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
	493	{
	494	wxMenuBar *menubar = GetMenuBar();
	495	wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
	496
	497	menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
	498	"Fourth dummy item\tCtrl-F4"));
	499	menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
	500	}
	501
	502	void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
	503	{
	504	wxMenuItem *item = GetLastMenuItem();
	505
	506	if ( item )
	507	{
	508	item->Enable(!item->IsEnabled());
	509	}
	510	}
	511
	512	void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
	513	{
	514	wxMenuItem *item = GetLastMenuItem();
	515
	516	item->Toggle();
	517	}
	518
	519	void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
	520	{
32db328c VZ	521	wxLogNull nolog;
32db328c VZ	522
717a57c2 VZ	523	wxMenuItem *item = GetLastMenuItem();
	524
	525	event.Enable(item && item->IsCheckable());
	526	}
	527
	528	void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
	529	{
	530	wxMenuItem *item = GetLastMenuItem();
	531
	532	if ( item )
	533	{
	534	wxLogMessage("The label of the last menu item is '%s'",
1987af7e	535	item->GetLabel().c_str());
717a57c2 VZ	536	}
	537	}
	538
	539	void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
	540	{
	541	wxMenuItem *item = GetLastMenuItem();
	542
	543	if ( item )
	544	{
	545	item->SetText("Dummy menu item text");
	546	}
	547	}
	548
a80c322c VZ	549	void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
	550	{
	551	wxMenuItem *item = GetLastMenuItem();
	552
	553	if ( item )
	554	{
	555	wxString msg;
	556	msg << "The item is " << (item->IsEnabled() ? "enabled"
	557	: "disabled")
	558	<< '\n';
f6bcfd97	559
a80c322c VZ	560	if ( item->IsCheckable() )
	561	{
	562	msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
	563	<< "checked\n";
	564	}
	565
	566	#if wxUSE_ACCEL
	567	wxAcceleratorEntry *accel = item->GetAccel();
	568	if ( accel )
	569	{
	570	msg << "Its accelerator is ";
	571
	572	int flags = accel->GetFlags();
	573	if ( flags & wxACCEL_ALT )
	574	msg << wxT("Alt-");
	575	if ( flags & wxACCEL_CTRL )
	576	msg << wxT("Ctrl-");
	577	if ( flags & wxACCEL_SHIFT )
	578	msg << wxT("Shift-");
	579
	580	int code = accel->GetKeyCode();
	581	switch ( code )
	582	{
	583	case WXK_F1:
	584	case WXK_F2:
	585	case WXK_F3:
	586	case WXK_F4:
	587	case WXK_F5:
	588	case WXK_F6:
	589	case WXK_F7:
	590	case WXK_F8:
	591	case WXK_F9:
	592	case WXK_F10:
	593	case WXK_F11:
	594	case WXK_F12:
	595	msg << wxT('F') << code - WXK_F1 + 1;
	596	break;
	597
	598	// if there are any other keys wxGetAccelFromString() may return,
	599	// we should process them here
	600
	601	default:
	602	if ( wxIsalnum(code) )
	603	{
	604	msg << (wxChar)code;
	605
	606	break;
	607	}
	608
	609	wxFAIL_MSG( wxT("unknown keyboard accel") );
	610	}
	611
	612	delete accel;
	613	}
	614	else
	615	{
	616	msg << "It doesn't have an accelerator";
	617	}
	618	#endif // wxUSE_ACCEL
	619
	620	wxLogMessage(msg);
	621	}
	622	}
	623
717a57c2 VZ	624	void MyFrame::OnRightDown(wxMouseEvent &event )
	625	{
	626	wxMenu menu("Test popup");
	627
	628	menu.Append(Menu_Help_About, "&About");
f03ec224	629	menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu(NULL));
717a57c2 VZ	630	menu.Append(Menu_Popup_ToBeDeleted, "To be deleted");
	631	menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE);
	632	menu.Append(Menu_Popup_ToBeGreyed, "To be greyed");
	633	menu.AppendSeparator();
	634	menu.Append(Menu_File_Quit, "E&xit");
	635
f6bcfd97	636	menu.Delete(Menu_Popup_ToBeDeleted);
717a57c2 VZ	637	menu.Check(Menu_Popup_ToBeChecked, TRUE);
	638	menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
	639
	640	PopupMenu( &menu, event.GetX(), event.GetY() );
f6bcfd97 BP	641
	642	// test for destroying items in popup menus
	643	#if 0
	644	menu.Destroy(Menu_Popup_Submenu);
	645
	646	PopupMenu( &menu, event.GetX(), event.GetY() );
	647	#endif // 0
717a57c2	648	}