[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

#if !wxUSE_DISPLAY
    #error "To compile this sample you must build the library with wxUSE_DISPLAY set to 1"
#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()
{
#ifdef __WXMSW__
    if ( argc == 2 && !wxStricmp(argv[1],  _T("/dx")) )
    {
        wxDisplay::UseDirectX(true);
    }
#endif // __WXMSW__

    // 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))
{
    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
799b5ec9 VZ	27	#if !wxUSE_DISPLAY
	28	#error "To compile this sample you must build the library with wxUSE_DISPLAY set to 1"
	29	#endif
	30
c32b1077 VZ	31	// for all others, include the necessary headers explicitly
	32	#ifndef WX_PRECOMP
	33	#include "wx/app.h"
	34	#include "wx/frame.h"
	35
	36	#include "wx/stattext.h"
	37
	38	#include "wx/layout.h"
	39	#endif
	40
	41	#include "wx/notebook.h"
	42
	43	#include "wx/display.h"
	44
	45	// ----------------------------------------------------------------------------
	46	// private classes
	47	// ----------------------------------------------------------------------------
	48
	49	// Define a new application type, each program should derive a class from wxApp
	50	class MyApp : public wxApp
	51	{
	52	public:
	53	// override base class virtuals
	54	// ----------------------------
	55
	56	// this one is called on application startup and is a good place for the app
	57	// initialization (doing it here and not in the ctor allows to have an error
	58	// return: if OnInit() returns false, the application terminates)
	59	virtual bool OnInit();
	60	};
	61
	62	// Define a new frame type: this is going to be our main frame
	63	class MyFrame : public wxFrame
	64	{
	65	public:
	66	// ctor(s)
	67	MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
	68	long style = wxDEFAULT_FRAME_STYLE);
	69
	70	// event handlers (these functions should _not_ be virtual)
	71	void OnQuit(wxCommandEvent& event);
e9b77bcc	72	void OnFromPoint(wxCommandEvent& event);
84267f0d	73	void OnFullScreen(wxCommandEvent& event);
c32b1077 VZ	74	void OnAbout(wxCommandEvent& event);
c32b1077 VZ	75
84267f0d VZ	76	void OnChangeMode(wxCommandEvent& event);
	77	void OnResetMode(wxCommandEvent& event);
	78
e9b77bcc VZ	79	void OnLeftClick(wxMouseEvent& event);
e9b77bcc VZ	80
84267f0d VZ	81	void OnDisplayChanged(wxDisplayChangedEvent& event);
84267f0d VZ	82
c32b1077	83	private:
84267f0d VZ	84	// convert video mode to textual description
	85	wxString VideoModeToText(const wxVideoMode& mode);
	86
	87	// GUI controls
	88	wxNotebook *m_notebook;
	89
c32b1077 VZ	90	// any class wishing to process wxWindows events must use this macro
	91	DECLARE_EVENT_TABLE()
	92	};
	93
84267f0d VZ	94	// Client data class for the choice control containing the video modes
	95	class MyVideoModeClientData : public wxClientData
	96	{
	97	public:
	98	MyVideoModeClientData(const wxVideoMode& m) : mode(m) { }
	99
	100	const wxVideoMode mode;
	101	};
	102
c32b1077 VZ	103	// ----------------------------------------------------------------------------
	104	// constants
	105	// ----------------------------------------------------------------------------
	106
	107	// IDs for the controls and the menu commands
	108	enum
	109	{
	110	// menu items
	111	Display_Quit = 1,
	112
e9b77bcc	113	Display_FromPoint,
84267f0d VZ	114	Display_FullScreen,
	115
	116	// controls
	117	Display_ChangeMode = 1000,
	118	Display_ResetMode,
	119	Display_CurrentMode,
	120
e9b77bcc	121
c32b1077 VZ	122	// it is important for the id corresponding to the "About" command to have
	123	// this standard value as otherwise it won't be handled properly under Mac
	124	// (where it is special and put into the "Apple" menu)
	125	Display_About = wxID_ABOUT
	126	};
	127
	128	// ----------------------------------------------------------------------------
	129	// event tables and other macros for wxWindows
	130	// ----------------------------------------------------------------------------
	131
	132	// the event tables connect the wxWindows events with the functions (event
	133	// handlers) which process them. It can be also done at run-time, but for the
	134	// simple menu events like this the static method is much simpler.
	135	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	136	EVT_MENU(Display_Quit, MyFrame::OnQuit)
e9b77bcc	137	EVT_MENU(Display_FromPoint, MyFrame::OnFromPoint)
84267f0d	138	EVT_MENU(Display_FullScreen, MyFrame::OnFullScreen)
c32b1077	139	EVT_MENU(Display_About, MyFrame::OnAbout)
e9b77bcc	140
84267f0d VZ	141	EVT_CHOICE(Display_ChangeMode, MyFrame::OnChangeMode)
	142	EVT_BUTTON(Display_ResetMode, MyFrame::OnResetMode)
	143
e9b77bcc	144	EVT_LEFT_UP(MyFrame::OnLeftClick)
84267f0d VZ	145
	146
	147	EVT_DISPLAY_CHANGED(MyFrame::OnDisplayChanged)
c32b1077 VZ	148	END_EVENT_TABLE()
	149
	150	// Create a new application object: this macro will allow wxWindows to create
	151	// the application object during program execution (it's better than using a
	152	// static object for many reasons) and also declares the accessor function
	153	// wxGetApp() which will return the reference of the right type (i.e. MyApp and
	154	// not wxApp)
	155	IMPLEMENT_APP(MyApp)
	156
	157	// ============================================================================
	158	// implementation
	159	// ============================================================================
	160
	161	// ----------------------------------------------------------------------------
	162	// the application class
	163	// ----------------------------------------------------------------------------
	164
	165	// 'Main program' equivalent: the program execution "starts" here
	166	bool MyApp::OnInit()
	167	{
e40bef9f VZ	168	#ifdef __WXMSW__
	169	if ( argc == 2 && !wxStricmp(argv[1], _T("/dx")) )
	170	{
	171	wxDisplay::UseDirectX(true);
	172	}
	173	#endif // __WXMSW__
	174
c32b1077 VZ	175	// create the main application window
	176	MyFrame *frame = new MyFrame(_("Display wxWindows Sample"),
	177	wxPoint(50, 50), wxSize(450, 340));
	178
	179	// and show it (the frames, unlike simple controls, are not shown when
	180	// created initially)
84267f0d	181	frame->Show();
c32b1077 VZ	182
	183	// success: wxApp::OnRun() will be called which will enter the main message
	184	// loop and the application will run. If we returned FALSE here, the
	185	// application would exit immediately.
	186	return TRUE;
	187	}
	188
	189	// ----------------------------------------------------------------------------
	190	// main frame
	191	// ----------------------------------------------------------------------------
	192
	193	// frame constructor
	194	MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size, long style)
	195	: wxFrame(NULL, -1, title, pos, size, style)
	196	{
	197	// set the frame icon
	198	SetIcon(wxICON(mondrian));
	199
	200	#if wxUSE_MENUS
	201	// create a menu bar
e9b77bcc	202	wxMenu *menuDisplay = new wxMenu;
84267f0d VZ	203	menuDisplay->Append(Display_FromPoint, _("Find from &point..."));
	204	menuDisplay->AppendSeparator();
	205	menuDisplay->AppendCheckItem(Display_FullScreen, _("Full &screen\tF12"));
e9b77bcc VZ	206	menuDisplay->AppendSeparator();
e9b77bcc VZ	207	menuDisplay->Append(Display_Quit, _("E&xit\tAlt-X"), _("Quit this program"));
c32b1077 VZ	208
	209	// the "About" item should be in the help menu
	210	wxMenu *helpMenu = new wxMenu;
	211	helpMenu->Append(Display_About, _("&About...\tF1"), _("Show about dialog"));
	212
c32b1077 VZ	213	// now append the freshly created menu to the menu bar...
c32b1077 VZ	214	wxMenuBar *menuBar = new wxMenuBar();
e9b77bcc	215	menuBar->Append(menuDisplay, _("&Display"));
c32b1077 VZ	216	menuBar->Append(helpMenu, _("&Help"));
	217
	218	// ... and attach this menu bar to the frame
	219	SetMenuBar(menuBar);
	220	#endif // wxUSE_MENUS
	221
e9b77bcc VZ	222	// create status bar
	223	CreateStatusBar();
	224
c32b1077	225	// create child controls
84267f0d	226	m_notebook = new wxNotebook(this, -1);
c32b1077	227	const size_t count = wxDisplay::GetCount();
84267f0d	228	for ( size_t nDpy = 0; nDpy < count; nDpy++ )
c32b1077	229	{
84267f0d	230	wxDisplay display(nDpy);
c32b1077	231
84267f0d	232	wxWindow *page = new wxPanel(m_notebook, -1);
c32b1077 VZ	233
	234	// create 2 column flex grid sizer with growable 2nd column
	235	wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 10, 20);
	236	sizer->AddGrowableCol(1);
	237
	238	const wxRect r(display.GetGeometry());
e9b77bcc VZ	239	sizer->Add(new wxStaticText(page, -1, _T("Origin: ")));
	240	sizer->Add(new wxStaticText
	241	(
	242	page,
	243	-1,
	244	wxString::Format(_T("(%d, %d)"),
	245	r.x, r.y)
	246	));
	247
	248	sizer->Add(new wxStaticText(page, -1, _T("Size: ")));
c32b1077 VZ	249	sizer->Add(new wxStaticText
	250	(
	251	page,
	252	-1,
e9b77bcc VZ	253	wxString::Format(_T("(%d, %d)"),
e9b77bcc VZ	254	r.width, r.height)
c32b1077 VZ	255	));
c32b1077 VZ	256
c32b1077	257
e9b77bcc VZ	258	sizer->Add(new wxStaticText(page, -1, _T("Name: ")));
	259	sizer->Add(new wxStaticText(page, -1, display.GetName()));
	260
84267f0d VZ	261	wxChoice *choiceModes = new wxChoice(page, Display_ChangeMode);
	262	const wxArrayVideoModes modes = display.GetModes();
	263	const size_t count = modes.GetCount();
	264	for ( size_t nMode = 0; nMode < count; nMode++ )
	265	{
	266	const wxVideoMode& mode = modes[nMode];
	267
	268	choiceModes->Append(VideoModeToText(mode),
	269	new MyVideoModeClientData(mode));
	270	}
	271
	272	sizer->Add(new wxStaticText(page, -1, _T("&Modes: ")));
	273	sizer->Add(choiceModes, 0, wxEXPAND);
c32b1077	274
84267f0d VZ	275	sizer->Add(new wxStaticText(page, -1, _T("Current: ")));
	276	sizer->Add(new wxStaticText(page, Display_CurrentMode,
	277	VideoModeToText(display.GetCurrentMode())));
	278
	279	// add it to another sizer to have borders around it and button below
c32b1077 VZ	280	wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
c32b1077 VZ	281	sizerTop->Add(sizer, 1, wxALL \| wxEXPAND, 10);
84267f0d VZ	282	sizerTop->Add(new wxButton(page, Display_ResetMode, _T("&Reset mode")),
84267f0d VZ	283	0, wxALL \| wxCENTRE, 5);
c32b1077 VZ	284	page->SetSizer(sizerTop);
c32b1077 VZ	285
84267f0d VZ	286	m_notebook->AddPage(page,
	287	wxString::Format(_T("Display %lu"),
	288	(unsigned long)nDpy));
c32b1077 VZ	289	}
	290	}
	291
84267f0d VZ	292	wxString MyFrame::VideoModeToText(const wxVideoMode& mode)
	293	{
	294	wxString s;
	295	s.Printf(_T("%dx%d"), mode.w, mode.h);
	296
	297	if ( mode.bpp )
	298	{
	299	s += wxString::Format(_T(", %dbpp"), mode.bpp);
	300	}
	301
	302	if ( mode.refresh )
	303	{
	304	s += wxString::Format(_T(", %dHz"), mode.refresh);
	305	}
	306
	307	return s;
	308	}
c32b1077 VZ	309
	310	// event handlers
	311
	312	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	313	{
	314	// TRUE is to force the frame to close
	315	Close(TRUE);
	316	}
	317
	318	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	319	{
	320	wxMessageBox(_T("Demo program for wxDisplay class.\n\n(c) 2003 Vadim Zeitlin"),
	321	_T("About Display Sample"),
	322	wxOK \| wxICON_INFORMATION,
	323	this);
	324	}
e9b77bcc VZ	325
	326	void MyFrame::OnFromPoint(wxCommandEvent& WXUNUSED(event))
	327	{
	328	SetStatusText(_T("Press the mouse anywhere..."));
	329
	330	CaptureMouse();
	331	}
	332
84267f0d VZ	333	void MyFrame::OnFullScreen(wxCommandEvent& event)
	334	{
	335	ShowFullScreen(event.IsChecked());
	336	}
	337
	338	void MyFrame::OnChangeMode(wxCommandEvent& event)
	339	{
	340	wxDisplay dpy(m_notebook->GetSelection());
	341
	342	// you wouldn't write this in real code, would you?
	343	if ( !dpy.ChangeMode(((MyVideoModeClientData *)
	344	wxDynamicCast(event.GetEventObject(), wxChoice)->
	345	GetClientObject(event.GetInt()))->mode) )
	346	{
	347	wxLogError(_T("Changing video mode failed!"));
	348	}
	349	}
	350
	351	void MyFrame::OnResetMode(wxCommandEvent& WXUNUSED(event))
	352	{
	353	wxDisplay dpy(m_notebook->GetSelection());
	354
	355	dpy.ResetMode();
	356	}
	357
e9b77bcc VZ	358	void MyFrame::OnLeftClick(wxMouseEvent& event)
	359	{
	360	if ( HasCapture() )
	361	{
	362	// mouse events are in client coords, wxDisplay works in screen ones
	363	const wxPoint ptScreen = ClientToScreen(event.GetPosition());
	364	int dpy = wxDisplay::GetFromPoint(ptScreen);
	365	if ( dpy == wxNOT_FOUND )
	366	{
84267f0d	367	wxLogError(_T("Mouse clicked outside of display!?"));
e9b77bcc VZ	368	}
	369
	370	wxLogStatus(this, _T("Mouse clicked in display %d (at (%d, %d))"),
	371	dpy, ptScreen.x, ptScreen.y);
	372
	373	ReleaseMouse();
	374	}
	375	}
	376
84267f0d VZ	377	void MyFrame::OnDisplayChanged(wxDisplayChangedEvent& event)
	378	{
	379	// update the current mode text
	380	for ( int n = 0; n < m_notebook->GetPageCount(); n++ )
	381	{
	382	wxStaticText *label = wxDynamicCast(m_notebook->GetPage(n)->
	383	FindWindow(Display_CurrentMode),
	384	wxStaticText);
	385	if ( label )
	386	label->SetLabel(VideoModeToText(wxDisplay(n).GetCurrentMode()));
	387	}
	388
	389
	390	wxLogStatus(this, _T("Display resolution was changed."));
	391
	392	event.Skip();
	393	}
	394