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(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
  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     EVT_TIMER(-1, MyFrame::OnTimer)
  42 END_EVENT_TABLE()
  43
  44 MyFrame::MyFrame( wxWindow *parent, wxWindowID id, const wxString &title,
  45     const wxPoint &position, const wxSize& size, long style ) :
  46     wxFrame( parent, id, title, position, size, style )
  47 {
  48     CreateMyMenuBar();
  49
  50     CreateStatusBar(1);
  51     SetStatusText( "Welcome to wxCanvas sample!" );
  52
  53     SetIcon(wxICON(mondrian));
  54
  55     // Create wxCanvasAdmin and wxCanvas.
  56     m_admin = new wxCanvasAdmin;
  57     wxCanvas *canvas = new wxCanvas( m_admin, this, -1 );
  58
  59     canvas->SetScrollbars( 10, 10, 40, 40 );
  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.ConvertToImage() );
  75
  76     m_smile1 = new wxCanvasImage( image, 0,70,32,32 );
  77     root->Append( m_smile1 );
  78
  79     wxCanvasCircle *circ = new wxCanvasCircle( 170,70,50 );
  80     circ->SetBrush( *wxBLUE_BRUSH );
  81     root->Append( circ );
  82
  83     int i;
  84     for (i = 10; i < 300; i+=10)
  85     {
  86         wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
  87         r->SetBrush( *wxRED_BRUSH );
  88         root->Append( r );
  89     }
  90
  91     m_smile2 = new wxCanvasImage( image, 0,110,32,32 );
  92     root->Append( m_smile2 );
  93
  94     for (i = 15; i < 300; i+=10)
  95     {
  96         wxCanvasRect *r = new wxCanvasRect( i,50,3,140 );
  97         r->SetBrush( *wxRED_BRUSH );
  98         root->Append( r );
  99     }
 100
 101     // This will call all object and children recursivly so
 102     // all know what their wxCanvasAdmin is. Call at the end.
 103     root->SetAdmin( m_admin );
 104
 105     // One object group is the root object.
 106     canvas->SetRoot( root );
 107
 108     m_timer = new wxTimer( this );
 109     m_timer->Start( 80, FALSE );
 110 }
 111
 112 MyFrame::~MyFrame()
 113 {
 114     delete m_timer;
 115 }
 116
 117 void MyFrame::CreateMyMenuBar()
 118 {
 119     wxMenu *file_menu = new wxMenu;
 120     file_menu->Append( ID_QUIT, "Quit...", "Quit program" );
 121
 122     wxMenuBar *menu_bar = new wxMenuBar();
 123     menu_bar->Append( file_menu, "File" );
 124
 125     SetMenuBar( menu_bar );
 126 }
 127
 128 // WDR: handler implementations for MyFrame
 129
 130 void MyFrame::OnQuit( wxCommandEvent &event )
 131 {
 132      Close( TRUE );
 133 }
 134
 135 void MyFrame::OnCloseWindow( wxCloseEvent &event )
 136 {
 137     // if ! saved changes -> return
 138
 139     Destroy();
 140 }
 141
 142 void MyFrame::OnTimer( wxTimerEvent &event )
 143 {
 144     m_smile1->MoveRelative( 1, 0);
 145     m_smile2->MoveRelative( 1, 0);
 146
 147     wxWakeUpIdle();
 148 }
 149
 150 //------------------------------------------------------------------------------
 151 // MyApp
 152 //------------------------------------------------------------------------------
 153
 154 IMPLEMENT_APP(MyApp)
 155
 156 MyApp::MyApp()
 157 {
 158 }
 159
 160 bool MyApp::OnInit()
 161 {
 162     MyFrame *frame = new MyFrame( NULL, -1, "SuperApp", wxPoint(20,20), wxSize(500,340) );
 163     frame->Show( TRUE );
 164
 165     return TRUE;
 166 }
 167
 168 int MyApp::OnExit()
 169 {
 170     return 0;
 171 }
 172