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

/////////////////////////////////////////////////////////////////////////////
// Name:        display.cpp
// Purpose:     wxWindows sample showing the features of wxDisplay class
// Author:      Vadim Zeitlin
// Modified by:
// Created:     23.02.03
// RCS-ID:      $Id$
// Copyright:   (c) Vadim Zeitlin <vadim@wxwindows.org>
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// for compilers that support precompilation, includes "wx/wx.h".from here
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

// for all others, include the necessary headers explicitly
#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/frame.h"

    #include "wx/stattext.h"

    #include "wx/layout.h"
#endif

#include "wx/notebook.h"

#include "wx/display.h"

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
    // override base class virtuals
    // ----------------------------

    // this one is called on application startup and is a good place for the app
    // initialization (doing it here and not in the ctor allows to have an error
    // return: if OnInit() returns false, the application terminates)
    virtual bool OnInit();
};

// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
    // ctor(s)
    MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
            long style = wxDEFAULT_FRAME_STYLE);

    // event handlers (these functions should _not_ be virtual)
    void OnQuit(wxCommandEvent& event);
    void OnFromPoint(wxCommandEvent& event);
    void OnFullScreen(wxCommandEvent& event);
    void OnAbout(wxCommandEvent& event);

    void OnChangeMode(wxCommandEvent& event);
    void OnResetMode(wxCommandEvent& event);

    void OnLeftClick(wxMouseEvent& event);

    void OnDisplayChanged(wxDisplayChangedEvent& event);

private:
    // convert video mode to textual description
    wxString VideoModeToText(const wxVideoMode& mode);

    // GUI controls
    wxNotebook *m_notebook;

    // any class wishing to process wxWindows events must use this macro
    DECLARE_EVENT_TABLE()
};

// Client data class for the choice control containing the video modes
class MyVideoModeClientData : public wxClientData
{
public:
    MyVideoModeClientData(const wxVideoMode& m) : mode(m) { }

    const wxVideoMode mode;
};

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

// IDs for the controls and the menu commands
enum
{
    // menu items
    Display_Quit = 1,

    Display_FromPoint,
    Display_FullScreen,

    // controls
    Display_ChangeMode = 1000,
    Display_ResetMode,
    Display_CurrentMode,


    // it is important for the id corresponding to the "About" command to have
    // this standard value as otherwise it won't be handled properly under Mac
    // (where it is special and put into the "Apple" menu)
    Display_About = wxID_ABOUT
};

// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------

// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_MENU(Display_Quit,  MyFrame::OnQuit)
    EVT_MENU(Display_FromPoint,  MyFrame::OnFromPoint)
    EVT_MENU(Display_FullScreen, MyFrame::OnFullScreen)
    EVT_MENU(Display_About, MyFrame::OnAbout)

    EVT_CHOICE(Display_ChangeMode, MyFrame::OnChangeMode)
    EVT_BUTTON(Display_ResetMode, MyFrame::OnResetMode)

    EVT_LEFT_UP(MyFrame::OnLeftClick)


    EVT_DISPLAY_CHANGED(MyFrame::OnDisplayChanged)
END_EVENT_TABLE()

// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------

// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
    // create the main application window
    MyFrame *frame = new MyFrame(_("Display wxWindows Sample"),
                                 wxPoint(50, 50), wxSize(450, 340));

    // and show it (the frames, unlike simple controls, are not shown when
    // created initially)
    frame->Show();

    // success: wxApp::OnRun() will be called which will enter the main message
    // loop and the application will run. If we returned FALSE here, the
    // application would exit immediately.
    return TRUE;
}

// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------

// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size, long style)
       : wxFrame(NULL, -1, title, pos, size, style)
{
    // set the frame icon
    SetIcon(wxICON(mondrian));

#if wxUSE_MENUS
    // create a menu bar
    wxMenu *menuDisplay = new wxMenu;
    menuDisplay->Append(Display_FromPoint, _("Find from &point..."));
    menuDisplay->AppendSeparator();
    menuDisplay->AppendCheckItem(Display_FullScreen, _("Full &screen\tF12"));
    menuDisplay->AppendSeparator();
    menuDisplay->Append(Display_Quit, _("E&xit\tAlt-X"), _("Quit this program"));

    // the "About" item should be in the help menu
    wxMenu *helpMenu = new wxMenu;
    helpMenu->Append(Display_About, _("&About...\tF1"), _("Show about dialog"));

    // now append the freshly created menu to the menu bar...
    wxMenuBar *menuBar = new wxMenuBar();
    menuBar->Append(menuDisplay, _("&Display"));
    menuBar->Append(helpMenu, _("&Help"));

    // ... and attach this menu bar to the frame
    SetMenuBar(menuBar);
#endif // wxUSE_MENUS

    // create status bar
    CreateStatusBar();

    // create child controls
    m_notebook = new wxNotebook(this, -1);
    const size_t count = wxDisplay::GetCount();
    for ( size_t nDpy = 0; nDpy < count; nDpy++ )
    {
        wxDisplay display(nDpy);

        wxWindow *page = new wxPanel(m_notebook, -1);

        // create 2 column flex grid sizer with growable 2nd column
        wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 10, 20);
        sizer->AddGrowableCol(1);

        const wxRect r(display.GetGeometry());
        sizer->Add(new wxStaticText(page, -1, _T("Origin: ")));
        sizer->Add(new wxStaticText
                       (
                        page,
                        -1,
                        wxString::Format(_T("(%d, %d)"),
                                         r.x, r.y)
                       ));

        sizer->Add(new wxStaticText(page, -1, _T("Size: ")));
        sizer->Add(new wxStaticText
                       (
                        page,
                        -1,
                        wxString::Format(_T("(%d, %d)"),
                                         r.width, r.height)
                       ));


        sizer->Add(new wxStaticText(page, -1, _T("Name: ")));
        sizer->Add(new wxStaticText(page, -1, display.GetName()));

        wxChoice *choiceModes = new wxChoice(page, Display_ChangeMode);
        const wxArrayVideoModes modes = display.GetModes();
        const size_t count = modes.GetCount();
        for ( size_t nMode = 0; nMode < count; nMode++ )
        {
            const wxVideoMode& mode = modes[nMode];

            choiceModes->Append(VideoModeToText(mode),
                                new MyVideoModeClientData(mode));
        }

        sizer->Add(new wxStaticText(page, -1, _T("&Modes: ")));
        sizer->Add(choiceModes, 0, wxEXPAND);

        sizer->Add(new wxStaticText(page, -1, _T("Current: ")));
        sizer->Add(new wxStaticText(page, Display_CurrentMode,
                                    VideoModeToText(display.GetCurrentMode())));

        // add it to another sizer to have borders around it and button below
        wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
        sizerTop->Add(sizer, 1, wxALL | wxEXPAND, 10);
        sizerTop->Add(new wxButton(page, Display_ResetMode, _T("&Reset mode")),
                      0, wxALL | wxCENTRE, 5);
        page->SetSizer(sizerTop);

        m_notebook->AddPage(page,
                            wxString::Format(_T("Display %lu"),
                                             (unsigned long)nDpy));
    }
}

wxString MyFrame::VideoModeToText(const wxVideoMode& mode)
{
    wxString s;
    s.Printf(_T("%dx%d"), mode.w, mode.h);

    if ( mode.bpp )
    {
        s += wxString::Format(_T(", %dbpp"), mode.bpp);
    }

    if ( mode.refresh )
    {
        s += wxString::Format(_T(", %dHz"), mode.refresh);
    }

    return s;
}

// event handlers

void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
    // TRUE is to force the frame to close
    Close(TRUE);
}

void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
    wxDisplay dpy(1);
    if ( !dpy.ChangeMode(wxVideoMode(800, 600)) )
    {
        wxLogError("Failed!");
        return;
    }

    wxMessageBox(_T("Demo program for wxDisplay class.\n\n(c) 2003 Vadim Zeitlin"),
                 _T("About Display Sample"),
                 wxOK | wxICON_INFORMATION,
                 this);
}

void MyFrame::OnFromPoint(wxCommandEvent& WXUNUSED(event))
{
    SetStatusText(_T("Press the mouse anywhere..."));

    CaptureMouse();
}

void MyFrame::OnFullScreen(wxCommandEvent& event)
{
    ShowFullScreen(event.IsChecked());
}

void MyFrame::OnChangeMode(wxCommandEvent& event)
{
    wxDisplay dpy(m_notebook->GetSelection());

    // you wouldn't write this in real code, would you?
    if ( !dpy.ChangeMode(((MyVideoModeClientData *)
                wxDynamicCast(event.GetEventObject(), wxChoice)->
                    GetClientObject(event.GetInt()))->mode) )
    {
        wxLogError(_T("Changing video mode failed!"));
    }
}

void MyFrame::OnResetMode(wxCommandEvent& WXUNUSED(event))
{
    wxDisplay dpy(m_notebook->GetSelection());

    dpy.ResetMode();
}

void MyFrame::OnLeftClick(wxMouseEvent& event)
{
    if ( HasCapture() )
    {
        // mouse events are in client coords, wxDisplay works in screen ones
        const wxPoint ptScreen = ClientToScreen(event.GetPosition());
        int dpy = wxDisplay::GetFromPoint(ptScreen);
        if ( dpy == wxNOT_FOUND )
        {
            wxLogError(_T("Mouse clicked outside of display!?"));
        }

        wxLogStatus(this, _T("Mouse clicked in display %d (at (%d, %d))"),
                    dpy, ptScreen.x, ptScreen.y);

        ReleaseMouse();
    }
}

void MyFrame::OnDisplayChanged(wxDisplayChangedEvent& event)
{
    // update the current mode text
    for ( int n = 0; n < m_notebook->GetPageCount(); n++ )
    {
        wxStaticText *label = wxDynamicCast(m_notebook->GetPage(n)->
                                                FindWindow(Display_CurrentMode),
                                            wxStaticText);
        if ( label )
            label->SetLabel(VideoModeToText(wxDisplay(n).GetCurrentMode()));
    }


    wxLogStatus(this, _T("Display resolution was changed."));

    event.Skip();
}
Commit	Line	Data
c32b1077 VZ	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: display.cpp
	3	// Purpose: wxWindows sample showing the features of wxDisplay class
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 23.02.03
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Vadim Zeitlin <vadim@wxwindows.org>
	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".from here
	21	#include "wx/wxprec.h"
	22
	23	#ifdef __BORLANDC__
	24	#pragma hdrstop
	25	#endif
	26
	27	// for all others, include the necessary headers explicitly
	28	#ifndef WX_PRECOMP
	29	#include "wx/app.h"
	30	#include "wx/frame.h"
	31
	32	#include "wx/stattext.h"
	33
	34	#include "wx/layout.h"
	35	#endif
	36
	37	#include "wx/notebook.h"
	38
	39	#include "wx/display.h"
	40
	41	// ----------------------------------------------------------------------------
	42	// private classes
	43	// ----------------------------------------------------------------------------
	44
	45	// Define a new application type, each program should derive a class from wxApp
	46	class MyApp : public wxApp
	47	{
	48	public:
	49	// override base class virtuals
	50	// ----------------------------
	51
	52	// this one is called on application startup and is a good place for the app
	53	// initialization (doing it here and not in the ctor allows to have an error
	54	// return: if OnInit() returns false, the application terminates)
	55	virtual bool OnInit();
	56	};
	57
	58	// Define a new frame type: this is going to be our main frame
	59	class MyFrame : public wxFrame
	60	{
	61	public:
	62	// ctor(s)
	63	MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
	64	long style = wxDEFAULT_FRAME_STYLE);
65
66	// event handlers (these functions should _not_ be virtual)
67	void OnQuit(wxCommandEvent& event);
e9b77bcc	68	void OnFromPoint(wxCommandEvent& event);
84267f0d	69	void OnFullScreen(wxCommandEvent& event);
c32b1077 VZ	70	void OnAbout(wxCommandEvent& event);
c32b1077 VZ	71
84267f0d VZ	72	void OnChangeMode(wxCommandEvent& event);
	73	void OnResetMode(wxCommandEvent& event);
	74
e9b77bcc VZ	75	void OnLeftClick(wxMouseEvent& event);
e9b77bcc VZ	76
84267f0d VZ	77	void OnDisplayChanged(wxDisplayChangedEvent& event);
84267f0d VZ	78
c32b1077	79	private:
84267f0d VZ	80	// convert video mode to textual description
	81	wxString VideoModeToText(const wxVideoMode& mode);
	82
	83	// GUI controls
	84	wxNotebook *m_notebook;
	85
c32b1077 VZ	86	// any class wishing to process wxWindows events must use this macro
	87	DECLARE_EVENT_TABLE()
	88	};
	89
84267f0d VZ	90	// Client data class for the choice control containing the video modes
	91	class MyVideoModeClientData : public wxClientData
	92	{
	93	public:
	94	MyVideoModeClientData(const wxVideoMode& m) : mode(m) { }
	95
	96	const wxVideoMode mode;
	97	};
	98
c32b1077 VZ	99	// ----------------------------------------------------------------------------
	100	// constants
	101	// ----------------------------------------------------------------------------
	102
	103	// IDs for the controls and the menu commands
	104	enum
	105	{
	106	// menu items
	107	Display_Quit = 1,
	108
e9b77bcc	109	Display_FromPoint,
84267f0d VZ	110	Display_FullScreen,
	111
	112	// controls
	113	Display_ChangeMode = 1000,
	114	Display_ResetMode,
	115	Display_CurrentMode,
	116
e9b77bcc	117
c32b1077 VZ	118	// it is important for the id corresponding to the "About" command to have
	119	// this standard value as otherwise it won't be handled properly under Mac
	120	// (where it is special and put into the "Apple" menu)
	121	Display_About = wxID_ABOUT
	122	};
	123
	124	// ----------------------------------------------------------------------------
	125	// event tables and other macros for wxWindows
	126	// ----------------------------------------------------------------------------
	127
	128	// the event tables connect the wxWindows events with the functions (event
	129	// handlers) which process them. It can be also done at run-time, but for the
	130	// simple menu events like this the static method is much simpler.
	131	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	132	EVT_MENU(Display_Quit, MyFrame::OnQuit)
e9b77bcc	133	EVT_MENU(Display_FromPoint, MyFrame::OnFromPoint)
84267f0d	134	EVT_MENU(Display_FullScreen, MyFrame::OnFullScreen)
c32b1077	135	EVT_MENU(Display_About, MyFrame::OnAbout)
e9b77bcc	136
84267f0d VZ	137	EVT_CHOICE(Display_ChangeMode, MyFrame::OnChangeMode)
	138	EVT_BUTTON(Display_ResetMode, MyFrame::OnResetMode)
	139
e9b77bcc	140	EVT_LEFT_UP(MyFrame::OnLeftClick)
84267f0d VZ	141
	142
	143	EVT_DISPLAY_CHANGED(MyFrame::OnDisplayChanged)
c32b1077 VZ	144	END_EVENT_TABLE()
	145
	146	// Create a new application object: this macro will allow wxWindows to create
	147	// the application object during program execution (it's better than using a
	148	// static object for many reasons) and also declares the accessor function
	149	// wxGetApp() which will return the reference of the right type (i.e. MyApp and
	150	// not wxApp)
	151	IMPLEMENT_APP(MyApp)
	152
	153	// ============================================================================
	154	// implementation
	155	// ============================================================================
	156
	157	// ----------------------------------------------------------------------------
	158	// the application class
	159	// ----------------------------------------------------------------------------
	160
	161	// 'Main program' equivalent: the program execution "starts" here
	162	bool MyApp::OnInit()
	163	{
	164	// create the main application window
	165	MyFrame *frame = new MyFrame(_("Display wxWindows Sample"),
	166	wxPoint(50, 50), wxSize(450, 340));
	167
	168	// and show it (the frames, unlike simple controls, are not shown when
	169	// created initially)
84267f0d	170	frame->Show();
c32b1077 VZ	171
	172	// success: wxApp::OnRun() will be called which will enter the main message
	173	// loop and the application will run. If we returned FALSE here, the
	174	// application would exit immediately.
	175	return TRUE;
	176	}
	177
	178	// ----------------------------------------------------------------------------
	179	// main frame
	180	// ----------------------------------------------------------------------------
	181
	182	// frame constructor
	183	MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size, long style)
	184	: wxFrame(NULL, -1, title, pos, size, style)
	185	{
	186	// set the frame icon
	187	SetIcon(wxICON(mondrian));
	188
	189	#if wxUSE_MENUS
	190	// create a menu bar
e9b77bcc	191	wxMenu *menuDisplay = new wxMenu;
84267f0d VZ	192	menuDisplay->Append(Display_FromPoint, _("Find from &point..."));
	193	menuDisplay->AppendSeparator();
	194	menuDisplay->AppendCheckItem(Display_FullScreen, _("Full &screen\tF12"));
e9b77bcc VZ	195	menuDisplay->AppendSeparator();
e9b77bcc VZ	196	menuDisplay->Append(Display_Quit, _("E&xit\tAlt-X"), _("Quit this program"));
c32b1077 VZ	197
	198	// the "About" item should be in the help menu
	199	wxMenu *helpMenu = new wxMenu;
	200	helpMenu->Append(Display_About, _("&About...\tF1"), _("Show about dialog"));
	201
c32b1077 VZ	202	// now append the freshly created menu to the menu bar...
c32b1077 VZ	203	wxMenuBar *menuBar = new wxMenuBar();
e9b77bcc	204	menuBar->Append(menuDisplay, _("&Display"));
c32b1077 VZ	205	menuBar->Append(helpMenu, _("&Help"));
	206
	207	// ... and attach this menu bar to the frame
	208	SetMenuBar(menuBar);
	209	#endif // wxUSE_MENUS
	210
e9b77bcc VZ	211	// create status bar
	212	CreateStatusBar();
	213
c32b1077	214	// create child controls
84267f0d	215	m_notebook = new wxNotebook(this, -1);
c32b1077	216	const size_t count = wxDisplay::GetCount();
84267f0d	217	for ( size_t nDpy = 0; nDpy < count; nDpy++ )
c32b1077	218	{
84267f0d	219	wxDisplay display(nDpy);
c32b1077	220
84267f0d	221	wxWindow *page = new wxPanel(m_notebook, -1);
c32b1077 VZ	222
	223	// create 2 column flex grid sizer with growable 2nd column
	224	wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 10, 20);
	225	sizer->AddGrowableCol(1);
	226
	227	const wxRect r(display.GetGeometry());
e9b77bcc VZ	228	sizer->Add(new wxStaticText(page, -1, _T("Origin: ")));
	229	sizer->Add(new wxStaticText
	230	(
	231	page,
	232	-1,
	233	wxString::Format(_T("(%d, %d)"),
	234	r.x, r.y)
	235	));
	236
	237	sizer->Add(new wxStaticText(page, -1, _T("Size: ")));
c32b1077 VZ	238	sizer->Add(new wxStaticText
	239	(
	240	page,
	241	-1,
e9b77bcc VZ	242	wxString::Format(_T("(%d, %d)"),
e9b77bcc VZ	243	r.width, r.height)
c32b1077 VZ	244	));
c32b1077 VZ	245
c32b1077	246
e9b77bcc VZ	247	sizer->Add(new wxStaticText(page, -1, _T("Name: ")));
	248	sizer->Add(new wxStaticText(page, -1, display.GetName()));
	249
84267f0d VZ	250	wxChoice *choiceModes = new wxChoice(page, Display_ChangeMode);
	251	const wxArrayVideoModes modes = display.GetModes();
	252	const size_t count = modes.GetCount();
	253	for ( size_t nMode = 0; nMode < count; nMode++ )
	254	{
	255	const wxVideoMode& mode = modes[nMode];
	256
	257	choiceModes->Append(VideoModeToText(mode),
	258	new MyVideoModeClientData(mode));
	259	}
	260
	261	sizer->Add(new wxStaticText(page, -1, _T("&Modes: ")));
	262	sizer->Add(choiceModes, 0, wxEXPAND);
c32b1077	263
84267f0d VZ	264	sizer->Add(new wxStaticText(page, -1, _T("Current: ")));
	265	sizer->Add(new wxStaticText(page, Display_CurrentMode,
	266	VideoModeToText(display.GetCurrentMode())));
	267
	268	// add it to another sizer to have borders around it and button below
c32b1077 VZ	269	wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
c32b1077 VZ	270	sizerTop->Add(sizer, 1, wxALL \| wxEXPAND, 10);
84267f0d VZ	271	sizerTop->Add(new wxButton(page, Display_ResetMode, _T("&Reset mode")),
84267f0d VZ	272	0, wxALL \| wxCENTRE, 5);
c32b1077 VZ	273	page->SetSizer(sizerTop);
c32b1077 VZ	274
84267f0d VZ	275	m_notebook->AddPage(page,
	276	wxString::Format(_T("Display %lu"),
	277	(unsigned long)nDpy));
c32b1077 VZ	278	}
	279	}
	280
84267f0d VZ	281	wxString MyFrame::VideoModeToText(const wxVideoMode& mode)
	282	{
	283	wxString s;
	284	s.Printf(_T("%dx%d"), mode.w, mode.h);
	285
	286	if ( mode.bpp )
	287	{
	288	s += wxString::Format(_T(", %dbpp"), mode.bpp);
	289	}
	290
	291	if ( mode.refresh )
	292	{
	293	s += wxString::Format(_T(", %dHz"), mode.refresh);
	294	}
	295
	296	return s;
	297	}
c32b1077 VZ	298
	299	// event handlers
	300
	301	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	302	{
	303	// TRUE is to force the frame to close
	304	Close(TRUE);
	305	}
	306
	307	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	308	{
84267f0d VZ	309	wxDisplay dpy(1);
	310	if ( !dpy.ChangeMode(wxVideoMode(800, 600)) )
	311	{
	312	wxLogError("Failed!");
	313	return;
	314	}
	315
c32b1077 VZ	316	wxMessageBox(_T("Demo program for wxDisplay class.\n\n(c) 2003 Vadim Zeitlin"),
	317	_T("About Display Sample"),
	318	wxOK \| wxICON_INFORMATION,
	319	this);
	320	}
e9b77bcc VZ	321
	322	void MyFrame::OnFromPoint(wxCommandEvent& WXUNUSED(event))
	323	{
	324	SetStatusText(_T("Press the mouse anywhere..."));
	325
	326	CaptureMouse();
	327	}
	328
84267f0d VZ	329	void MyFrame::OnFullScreen(wxCommandEvent& event)
	330	{
	331	ShowFullScreen(event.IsChecked());
	332	}
	333
	334	void MyFrame::OnChangeMode(wxCommandEvent& event)
	335	{
	336	wxDisplay dpy(m_notebook->GetSelection());
	337
	338	// you wouldn't write this in real code, would you?
	339	if ( !dpy.ChangeMode(((MyVideoModeClientData *)
	340	wxDynamicCast(event.GetEventObject(), wxChoice)->
	341	GetClientObject(event.GetInt()))->mode) )
	342	{
	343	wxLogError(_T("Changing video mode failed!"));
	344	}
	345	}
	346
	347	void MyFrame::OnResetMode(wxCommandEvent& WXUNUSED(event))
	348	{
	349	wxDisplay dpy(m_notebook->GetSelection());
	350
	351	dpy.ResetMode();
	352	}
	353
e9b77bcc VZ	354	void MyFrame::OnLeftClick(wxMouseEvent& event)
	355	{
	356	if ( HasCapture() )
	357	{
	358	// mouse events are in client coords, wxDisplay works in screen ones
	359	const wxPoint ptScreen = ClientToScreen(event.GetPosition());
	360	int dpy = wxDisplay::GetFromPoint(ptScreen);
	361	if ( dpy == wxNOT_FOUND )
	362	{
84267f0d	363	wxLogError(_T("Mouse clicked outside of display!?"));
e9b77bcc VZ	364	}
	365
	366	wxLogStatus(this, _T("Mouse clicked in display %d (at (%d, %d))"),
	367	dpy, ptScreen.x, ptScreen.y);
	368
	369	ReleaseMouse();
	370	}
	371	}
	372
84267f0d VZ	373	void MyFrame::OnDisplayChanged(wxDisplayChangedEvent& event)
	374	{
	375	// update the current mode text
	376	for ( int n = 0; n < m_notebook->GetPageCount(); n++ )
	377	{
	378	wxStaticText *label = wxDynamicCast(m_notebook->GetPage(n)->
	379	FindWindow(Display_CurrentMode),
	380	wxStaticText);
	381	if ( label )
	382	label->SetLabel(VideoModeToText(wxDisplay(n).GetCurrentMode()));
	383	}
	384
	385
	386	wxLogStatus(this, _T("Display resolution was changed."));
	387
	388	event.Skip();
	389	}
	390