contrib/samples/canvas/simple/simple.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        simple.cpp
   3 // Author:      XX
   4 // Created:     XX/XX/XX
   5 // Copyright:
   6 /////////////////////////////////////////////////////////////////////////////
   7
   8 #ifdef __GNUG__
   9     #pragma implementation "simple.cpp"
  10 #endif
  11
  12 // For compilers that support precompilation
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 // Include private headers
  20 #include "simple.h"
  21
  22 // Include icon header
  23 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  24     #include "mondrian.xpm"
  25 #endif
  26
  27 // Include image
  28 #include "smile.xpm"
  29
  30 // WDR: class implementations
  31
  32 //------------------------------------------------------------------------------
  33 // MyFrame
  34 //------------------------------------------------------------------------------
  35
  36 // WDR: event table for MyFrame
  37
  38 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
  39     EVT_MENU(ID_QUIT, MyFrame::OnQuit)
  40     EVT_CLOSE(MyFrame::OnCloseWindow)
  41 END_EVENT_TABLE()
  42
  43 MyFrame::MyFrame( wxWindow *parent, wxWindowID id, const wxString &title,
  44     const wxPoint &position, const wxSize& size, long style ) :
  45     wxFrame( parent, id, title, position, size, style )
  46 {
  47     CreateMyMenuBar();
  48
  49     CreateStatusBar(1);
  50     SetStatusText( "Welcome to wxCanvas sample!" );
  51
  52     SetIcon(wxICON(mondrian));
  53
  54     // Create wxCanvasAdmin and wxCanvas.
  55     m_admin = new wxCanvasAdmin;
  56     wxCanvas *canvas = new wxCanvas( m_admin, this, -1 );
  57
  58     canvas->SetScroll( 0, 0, 400, 600 );
  59     canvas->SetMappingScroll( 0, 0, 400, 600, FALSE );
  60
  61     // The wxCanvasAdmin need to know about all Admin wxCanvas objects.
  62     m_admin->Append( canvas );
  63
  64     // One wxCanvas is the active one (current rendering and current
  65     // world coordinates).
  66     m_admin->SetActive( canvas );
  67
  68     // One object group is the root in every canvas.
  69     wxCanvasObjectGroup *root = new wxCanvasObjectGroup(0,0);
  70     root->DeleteContents( TRUE );
  71
  72     // Bunch of rects and images.
  73     wxBitmap bitmap( smile_xpm );
  74     wxImage image( bitmap );
  75
  76     m_smile1 = new wxCanvasImage( image, 0,70,32,32 );
  77     root->Append( m_smile1 );
  78
  79     int i;
  80     for (i = 10; i < 300; i+=10)
  81     {
  82         wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
  83         r->SetBrush( *wxRED_BRUSH );
  84         root->Append( r );
  85     }
  86
  87     m_smile2 = new wxCanvasImage( image, 0,110,32,32 );
  88     root->Append( m_smile2 );
  89
  90     for (i = 15; i < 300; i+=10)
  91     {
  92         wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
  93         r->SetBrush( *wxRED_BRUSH );
  94         root->Append( r );
  95     }
  96
  97     // This will call all object and children recursivly so
  98     // all know what their wxCanvasAdmin is. Call at the end.
  99     root->SetAdmin( m_admin );
 100
 101     // One object group is the root object.
 102     canvas->SetRoot( root );
 103 }
 104
 105 void MyFrame::CreateMyMenuBar()
 106 {
 107     wxMenu *file_menu = new wxMenu;
 108     file_menu->Append( ID_QUIT, "Quit...", "Quit program" );
 109
 110     wxMenuBar *menu_bar = new wxMenuBar();
 111     menu_bar->Append( file_menu, "File" );
 112
 113     SetMenuBar( menu_bar );
 114 }
 115
 116 // WDR: handler implementations for MyFrame
 117
 118 void MyFrame::OnQuit( wxCommandEvent &event )
 119 {
 120      Close( TRUE );
 121 }
 122
 123 void MyFrame::OnCloseWindow( wxCloseEvent &event )
 124 {
 125     // if ! saved changes -> return
 126
 127     Destroy();
 128 }
 129
 130 //------------------------------------------------------------------------------
 131 // MyApp
 132 //------------------------------------------------------------------------------
 133
 134 IMPLEMENT_APP(MyApp)
 135
 136 MyApp::MyApp()
 137 {
 138 }
 139
 140 bool MyApp::OnInit()
 141 {
 142     MyFrame *frame = new MyFrame( NULL, -1, "SuperApp", wxPoint(20,20), wxSize(500,340) );
 143     frame->Show( TRUE );
 144
 145     return TRUE;
 146 }
 147
 148 int MyApp::OnExit()
 149 {
 150     return 0;
 151 }
 152