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added tests for changing display resolution and going full screen

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19424 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2003-03-02 14:38:03 +00:00
parent e3612e8b54
commit 84267f0dfc
1 changed files with 134 additions and 20 deletions
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154
samples/display/display.cpp
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@ -66,15 +66,36 @@ public:
// 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
// ----------------------------------------------------------------------------
@ -86,6 +107,13 @@ enum
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
@ -103,9 +131,16 @@ enum
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
@ -132,7 +167,7 @@ bool MyApp::OnInit()
// and show it (the frames, unlike simple controls, are not shown when
// created initially)
frame->Show(TRUE);
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
@ -154,7 +189,9 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
#if wxUSE_MENUS
// create a menu bar
wxMenu *menuDisplay = new wxMenu;
menuDisplay->Append(Display_FromPoint, _("&Find from point..."));
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"));
@ -175,13 +212,13 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
CreateStatusBar();
// create child controls
wxNotebook *notebook = new wxNotebook(this, -1);
m_notebook = new wxNotebook(this, -1);
const size_t count = wxDisplay::GetCount();
for ( size_t n = 0; n < count; n++ )
for ( size_t nDpy = 0; nDpy < count; nDpy++ )
{
wxDisplay display(n);
wxDisplay display(nDpy);
wxWindow *page = new wxPanel(notebook, -1);
wxWindow *page = new wxPanel(m_notebook, -1);
// create 2 column flex grid sizer with growable 2nd column
wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 10, 20);
@ -206,31 +243,58 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size,
r.width, r.height)
));
sizer->Add(new wxStaticText(page, -1, _T("Depth: ")));
sizer->Add(new wxStaticText
(
page,
-1,
wxString::Format(_T("%d bpp"), display.GetDepth())
));
sizer->Add(new wxStaticText(page, -1, _T("Name: ")));
sizer->Add(new wxStaticText(page, -1, display.GetName()));
sizer->Add(new wxStaticText(page, -1, _T("Colour: ")));
sizer->Add(new wxStaticText(page, -1, display.IsColour() ? _T("Yes")
: _T("No")));
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];
// add it to another sizer to have borders around it
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);
notebook->AddPage(page,
wxString::Format(_T("Display %lu"), (unsigned long)n));
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
@ -242,6 +306,13 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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,
@ -255,6 +326,31 @@ void MyFrame::OnFromPoint(wxCommandEvent& WXUNUSED(event))
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() )
@ -264,7 +360,7 @@ void MyFrame::OnLeftClick(wxMouseEvent& event)
int dpy = wxDisplay::GetFromPoint(ptScreen);
if ( dpy == wxNOT_FOUND )
{
wxLogError(_T("Mouse clicked outside of display!!"));
wxLogError(_T("Mouse clicked outside of display!?"));
}
wxLogStatus(this, _T("Mouse clicked in display %d (at (%d, %d))"),
@ -274,3 +370,21 @@ void MyFrame::OnLeftClick(wxMouseEvent& event)
}
}
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();
}