// 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
// ----------------------------------------------------------------------------
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
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
// '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(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
#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"));
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);
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];
+
+ choiceModes->Append(VideoModeToText(mode),
+ new MyVideoModeClientData(mode));
+ }
- // add it to another sizer to have borders around it
+ 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
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() )
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))"),
}
}
+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();
+}
+