+/////////////////////////////////////////////////////////////////////////////
+// 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 OnAbout(wxCommandEvent& event);
+
+private:
+ // any class wishing to process wxWindows events must use this macro
+ DECLARE_EVENT_TABLE()
+};
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+enum
+{
+ // menu items
+ Display_Quit = 1,
+
+ // 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_About, MyFrame::OnAbout)
+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(TRUE);
+
+ // 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 *menuFile = new wxMenu;
+
+ // the "About" item should be in the help menu
+ wxMenu *helpMenu = new wxMenu;
+ helpMenu->Append(Display_About, _("&About...\tF1"), _("Show about dialog"));
+
+ menuFile->Append(Display_Quit, _("E&xit\tAlt-X"), _("Quit this program"));
+
+ // now append the freshly created menu to the menu bar...
+ wxMenuBar *menuBar = new wxMenuBar();
+ menuBar->Append(menuFile, _("&File"));
+ menuBar->Append(helpMenu, _("&Help"));
+
+ // ... and attach this menu bar to the frame
+ SetMenuBar(menuBar);
+#endif // wxUSE_MENUS
+
+ // create child controls
+ wxNotebook *notebook = new wxNotebook(this, -1);
+ const size_t count = wxDisplay::GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ wxDisplay display(n);
+
+ wxWindow *page = new wxPanel(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("Geometry: ")));
+ sizer->Add(new wxStaticText
+ (
+ page,
+ -1,
+ wxString::Format(_T("(%d, %d)-(%d, %d)"),
+ r.x, r.y,
+ r.x + r.width, r.y + 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("Colour: ")));
+ sizer->Add(new wxStaticText(page, -1, display.IsColour() ? _T("Yes")
+ : _T("No")));
+
+ // add it to another sizer to have borders around it
+ wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
+ sizerTop->Add(sizer, 1, wxALL | wxEXPAND, 10);
+ page->SetSizer(sizerTop);
+
+ notebook->AddPage(page,
+ wxString::Format(_T("Display %lu"), (unsigned long)n));
+ }
+}
+
+
+// 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);
+}