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

/////////////////////////////////////////////////////////////////////////////
// Name:        display.cpp
// Purpose:     wxWindows sample showing the features of wxDisplay class
// Author:      Vadim Zeitlin
// Modified by: Ryan Norton & Brian Victor
// 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/stattext.h"

    #include "wx/layout.h"
    #include "wx/intl.h"
    #include "wx/menu.h"
    #include "wx/sizer.h"
    #include "wx/choice.h"
    #include "wx/msgdlg.h"
    #include "wx/log.h"
    #include "wx/panel.h"
    #include "wx/button.h"
#endif

#include "wx/notebook.h"

#include "wx/display.h"

// the application icon (under Windows and OS/2 it is in resources)
#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
    #include "../sample.xpm"
#endif

// ----------------------------------------------------------------------------
// 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(sample));

#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
63c51a93	5	// Modified by: Ryan Norton & Brian Victor
c32b1077 VZ	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"
c32b1077 VZ	34	#include "wx/stattext.h"
	35
	36	#include "wx/layout.h"
63c51a93 RN	37	#include "wx/intl.h"
	38	#include "wx/menu.h"
	39	#include "wx/sizer.h"
	40	#include "wx/choice.h"
	41	#include "wx/msgdlg.h"
	42	#include "wx/log.h"
	43	#include "wx/panel.h"
	44	#include "wx/button.h"
c32b1077 VZ	45	#endif
	46
	47	#include "wx/notebook.h"
	48
	49	#include "wx/display.h"
	50
63c51a93 RN	51	// the application icon (under Windows and OS/2 it is in resources)
	52	#if defined(__WXGTK__) \|\| defined(__WXMOTIF__) \|\| defined(__WXMAC__) \|\| defined(__WXMGL__) \|\| defined(__WXX11__)
	53	#include "../sample.xpm"
	54	#endif
	55
c32b1077 VZ	56	// ----------------------------------------------------------------------------
	57	// private classes
	58	// ----------------------------------------------------------------------------
	59
	60	// Define a new application type, each program should derive a class from wxApp
	61	class MyApp : public wxApp
	62	{
	63	public:
	64	// override base class virtuals
	65	// ----------------------------
	66
	67	// this one is called on application startup and is a good place for the app
	68	// initialization (doing it here and not in the ctor allows to have an error
	69	// return: if OnInit() returns false, the application terminates)
	70	virtual bool OnInit();
	71	};
	72
	73	// Define a new frame type: this is going to be our main frame
	74	class MyFrame : public wxFrame
	75	{
	76	public:
	77	// ctor(s)
	78	MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
	79	long style = wxDEFAULT_FRAME_STYLE);
	80
	81	// event handlers (these functions should _not_ be virtual)
	82	void OnQuit(wxCommandEvent& event);
e9b77bcc	83	void OnFromPoint(wxCommandEvent& event);
84267f0d	84	void OnFullScreen(wxCommandEvent& event);
c32b1077 VZ	85	void OnAbout(wxCommandEvent& event);
c32b1077 VZ	86
84267f0d VZ	87	void OnChangeMode(wxCommandEvent& event);
	88	void OnResetMode(wxCommandEvent& event);
	89
e9b77bcc VZ	90	void OnLeftClick(wxMouseEvent& event);
e9b77bcc VZ	91
84267f0d VZ	92	void OnDisplayChanged(wxDisplayChangedEvent& event);
84267f0d VZ	93
c32b1077	94	private:
84267f0d VZ	95	// convert video mode to textual description
	96	wxString VideoModeToText(const wxVideoMode& mode);
	97
	98	// GUI controls
	99	wxNotebook *m_notebook;
	100
c32b1077 VZ	101	// any class wishing to process wxWindows events must use this macro
	102	DECLARE_EVENT_TABLE()
	103	};
	104
84267f0d VZ	105	// Client data class for the choice control containing the video modes
	106	class MyVideoModeClientData : public wxClientData
	107	{
	108	public:
	109	MyVideoModeClientData(const wxVideoMode& m) : mode(m) { }
	110
	111	const wxVideoMode mode;
	112	};
	113
c32b1077 VZ	114	// ----------------------------------------------------------------------------
	115	// constants
	116	// ----------------------------------------------------------------------------
	117
	118	// IDs for the controls and the menu commands
	119	enum
	120	{
	121	// menu items
	122	Display_Quit = 1,
	123
e9b77bcc	124	Display_FromPoint,
84267f0d VZ	125	Display_FullScreen,
	126
	127	// controls
	128	Display_ChangeMode = 1000,
	129	Display_ResetMode,
	130	Display_CurrentMode,
	131
e9b77bcc	132
c32b1077 VZ	133	// it is important for the id corresponding to the "About" command to have
	134	// this standard value as otherwise it won't be handled properly under Mac
	135	// (where it is special and put into the "Apple" menu)
	136	Display_About = wxID_ABOUT
	137	};
	138
	139	// ----------------------------------------------------------------------------
	140	// event tables and other macros for wxWindows
	141	// ----------------------------------------------------------------------------
	142
	143	// the event tables connect the wxWindows events with the functions (event
	144	// handlers) which process them. It can be also done at run-time, but for the
	145	// simple menu events like this the static method is much simpler.
	146	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	147	EVT_MENU(Display_Quit, MyFrame::OnQuit)
e9b77bcc	148	EVT_MENU(Display_FromPoint, MyFrame::OnFromPoint)
84267f0d	149	EVT_MENU(Display_FullScreen, MyFrame::OnFullScreen)
c32b1077	150	EVT_MENU(Display_About, MyFrame::OnAbout)
e9b77bcc	151
84267f0d VZ	152	EVT_CHOICE(Display_ChangeMode, MyFrame::OnChangeMode)
	153	EVT_BUTTON(Display_ResetMode, MyFrame::OnResetMode)
	154
e9b77bcc	155	EVT_LEFT_UP(MyFrame::OnLeftClick)
84267f0d VZ	156
	157
	158	EVT_DISPLAY_CHANGED(MyFrame::OnDisplayChanged)
c32b1077 VZ	159	END_EVENT_TABLE()
	160
	161	// Create a new application object: this macro will allow wxWindows to create
	162	// the application object during program execution (it's better than using a
	163	// static object for many reasons) and also declares the accessor function
	164	// wxGetApp() which will return the reference of the right type (i.e. MyApp and
	165	// not wxApp)
	166	IMPLEMENT_APP(MyApp)
	167
	168	// ============================================================================
	169	// implementation
	170	// ============================================================================
	171
	172	// ----------------------------------------------------------------------------
	173	// the application class
	174	// ----------------------------------------------------------------------------
	175
	176	// 'Main program' equivalent: the program execution "starts" here
	177	bool MyApp::OnInit()
	178	{
e40bef9f VZ	179	#ifdef __WXMSW__
	180	if ( argc == 2 && !wxStricmp(argv[1], _T("/dx")) )
	181	{
	182	wxDisplay::UseDirectX(true);
	183	}
	184	#endif // __WXMSW__
	185
c32b1077 VZ	186	// create the main application window
	187	MyFrame *frame = new MyFrame(_("Display wxWindows Sample"),
	188	wxPoint(50, 50), wxSize(450, 340));
	189
	190	// and show it (the frames, unlike simple controls, are not shown when
	191	// created initially)
84267f0d	192	frame->Show();
c32b1077 VZ	193
	194	// success: wxApp::OnRun() will be called which will enter the main message
	195	// loop and the application will run. If we returned FALSE here, the
	196	// application would exit immediately.
	197	return TRUE;
	198	}
	199
	200	// ----------------------------------------------------------------------------
	201	// main frame
	202	// ----------------------------------------------------------------------------
	203
	204	// frame constructor
	205	MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size, long style)
	206	: wxFrame(NULL, -1, title, pos, size, style)
	207	{
	208	// set the frame icon
63c51a93	209	SetIcon(wxICON(sample));
c32b1077 VZ	210
	211	#if wxUSE_MENUS
	212	// create a menu bar
e9b77bcc	213	wxMenu *menuDisplay = new wxMenu;
84267f0d VZ	214	menuDisplay->Append(Display_FromPoint, _("Find from &point..."));
	215	menuDisplay->AppendSeparator();
	216	menuDisplay->AppendCheckItem(Display_FullScreen, _("Full &screen\tF12"));
e9b77bcc VZ	217	menuDisplay->AppendSeparator();
e9b77bcc VZ	218	menuDisplay->Append(Display_Quit, _("E&xit\tAlt-X"), _("Quit this program"));
c32b1077 VZ	219
	220	// the "About" item should be in the help menu
	221	wxMenu *helpMenu = new wxMenu;
	222	helpMenu->Append(Display_About, _("&About...\tF1"), _("Show about dialog"));
	223
c32b1077 VZ	224	// now append the freshly created menu to the menu bar...
c32b1077 VZ	225	wxMenuBar *menuBar = new wxMenuBar();
e9b77bcc	226	menuBar->Append(menuDisplay, _("&Display"));
c32b1077 VZ	227	menuBar->Append(helpMenu, _("&Help"));
	228
	229	// ... and attach this menu bar to the frame
	230	SetMenuBar(menuBar);
	231	#endif // wxUSE_MENUS
	232
e9b77bcc VZ	233	// create status bar
	234	CreateStatusBar();
	235
c32b1077	236	// create child controls
84267f0d	237	m_notebook = new wxNotebook(this, -1);
c32b1077	238	const size_t count = wxDisplay::GetCount();
84267f0d	239	for ( size_t nDpy = 0; nDpy < count; nDpy++ )
c32b1077	240	{
84267f0d	241	wxDisplay display(nDpy);
c32b1077	242
84267f0d	243	wxWindow *page = new wxPanel(m_notebook, -1);
c32b1077 VZ	244
	245	// create 2 column flex grid sizer with growable 2nd column
	246	wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 10, 20);
	247	sizer->AddGrowableCol(1);
	248
	249	const wxRect r(display.GetGeometry());
e9b77bcc VZ	250	sizer->Add(new wxStaticText(page, -1, _T("Origin: ")));
	251	sizer->Add(new wxStaticText
	252	(
	253	page,
	254	-1,
	255	wxString::Format(_T("(%d, %d)"),
	256	r.x, r.y)
	257	));
	258
	259	sizer->Add(new wxStaticText(page, -1, _T("Size: ")));
c32b1077 VZ	260	sizer->Add(new wxStaticText
	261	(
	262	page,
	263	-1,
e9b77bcc VZ	264	wxString::Format(_T("(%d, %d)"),
e9b77bcc VZ	265	r.width, r.height)
c32b1077 VZ	266	));
c32b1077 VZ	267
c32b1077	268
e9b77bcc VZ	269	sizer->Add(new wxStaticText(page, -1, _T("Name: ")));
	270	sizer->Add(new wxStaticText(page, -1, display.GetName()));
	271
84267f0d VZ	272	wxChoice *choiceModes = new wxChoice(page, Display_ChangeMode);
	273	const wxArrayVideoModes modes = display.GetModes();
	274	const size_t count = modes.GetCount();
	275	for ( size_t nMode = 0; nMode < count; nMode++ )
	276	{
	277	const wxVideoMode& mode = modes[nMode];
	278
	279	choiceModes->Append(VideoModeToText(mode),
	280	new MyVideoModeClientData(mode));
	281	}
	282
	283	sizer->Add(new wxStaticText(page, -1, _T("&Modes: ")));
	284	sizer->Add(choiceModes, 0, wxEXPAND);
c32b1077	285
84267f0d VZ	286	sizer->Add(new wxStaticText(page, -1, _T("Current: ")));
	287	sizer->Add(new wxStaticText(page, Display_CurrentMode,
	288	VideoModeToText(display.GetCurrentMode())));
	289
	290	// add it to another sizer to have borders around it and button below
c32b1077 VZ	291	wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
c32b1077 VZ	292	sizerTop->Add(sizer, 1, wxALL \| wxEXPAND, 10);
84267f0d VZ	293	sizerTop->Add(new wxButton(page, Display_ResetMode, _T("&Reset mode")),
84267f0d VZ	294	0, wxALL \| wxCENTRE, 5);
c32b1077 VZ	295	page->SetSizer(sizerTop);
c32b1077 VZ	296
84267f0d VZ	297	m_notebook->AddPage(page,
	298	wxString::Format(_T("Display %lu"),
	299	(unsigned long)nDpy));
c32b1077 VZ	300	}
	301	}
	302
84267f0d VZ	303	wxString MyFrame::VideoModeToText(const wxVideoMode& mode)
	304	{
	305	wxString s;
	306	s.Printf(_T("%dx%d"), mode.w, mode.h);
	307
	308	if ( mode.bpp )
	309	{
	310	s += wxString::Format(_T(", %dbpp"), mode.bpp);
	311	}
	312
	313	if ( mode.refresh )
	314	{
	315	s += wxString::Format(_T(", %dHz"), mode.refresh);
	316	}
	317
	318	return s;
	319	}
c32b1077 VZ	320
	321	// event handlers
	322
	323	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	324	{
	325	// TRUE is to force the frame to close
	326	Close(TRUE);
	327	}
	328
	329	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	330	{
	331	wxMessageBox(_T("Demo program for wxDisplay class.\n\n(c) 2003 Vadim Zeitlin"),
	332	_T("About Display Sample"),
	333	wxOK \| wxICON_INFORMATION,
	334	this);
	335	}
e9b77bcc VZ	336
	337	void MyFrame::OnFromPoint(wxCommandEvent& WXUNUSED(event))
	338	{
	339	SetStatusText(_T("Press the mouse anywhere..."));
	340
	341	CaptureMouse();
	342	}
	343
84267f0d VZ	344	void MyFrame::OnFullScreen(wxCommandEvent& event)
	345	{
	346	ShowFullScreen(event.IsChecked());
	347	}
	348
	349	void MyFrame::OnChangeMode(wxCommandEvent& event)
	350	{
	351	wxDisplay dpy(m_notebook->GetSelection());
	352
	353	// you wouldn't write this in real code, would you?
	354	if ( !dpy.ChangeMode(((MyVideoModeClientData *)
	355	wxDynamicCast(event.GetEventObject(), wxChoice)->
	356	GetClientObject(event.GetInt()))->mode) )
	357	{
	358	wxLogError(_T("Changing video mode failed!"));
	359	}
	360	}
	361
	362	void MyFrame::OnResetMode(wxCommandEvent& WXUNUSED(event))
	363	{
	364	wxDisplay dpy(m_notebook->GetSelection());
	365
	366	dpy.ResetMode();
	367	}
	368
e9b77bcc VZ	369	void MyFrame::OnLeftClick(wxMouseEvent& event)
	370	{
	371	if ( HasCapture() )
	372	{
	373	// mouse events are in client coords, wxDisplay works in screen ones
	374	const wxPoint ptScreen = ClientToScreen(event.GetPosition());
	375	int dpy = wxDisplay::GetFromPoint(ptScreen);
	376	if ( dpy == wxNOT_FOUND )
	377	{
84267f0d	378	wxLogError(_T("Mouse clicked outside of display!?"));
e9b77bcc VZ	379	}
	380
	381	wxLogStatus(this, _T("Mouse clicked in display %d (at (%d, %d))"),
	382	dpy, ptScreen.x, ptScreen.y);
	383
	384	ReleaseMouse();
	385	}
	386	}
	387
84267f0d VZ	388	void MyFrame::OnDisplayChanged(wxDisplayChangedEvent& event)
	389	{
	390	// update the current mode text
	391	for ( int n = 0; n < m_notebook->GetPageCount(); n++ )
	392	{
	393	wxStaticText *label = wxDynamicCast(m_notebook->GetPage(n)->
	394	FindWindow(Display_CurrentMode),
	395	wxStaticText);
	396	if ( label )
	397	label->SetLabel(VideoModeToText(wxDisplay(n).GetCurrentMode()));
	398	}
	399
	400
	401	wxLogStatus(this, _T("Display resolution was changed."));
	402
	403	event.Skip();
	404	}
	405