samples/scroll/scroll.cpp

   1 /*
   2  * Program: scroll
   3  *
   4  * Author: Robert Roebling
   5  *
   6  * Copyright: (C) 1998, Robert Roebling
   7  *
   8  */
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14 #pragma hdrstop
  15 #endif
  16
  17 #ifndef WX_PRECOMP
  18 #include "wx/wx.h"
  19 #endif
  20
  21 #include "wx/image.h"
  22
  23 // derived classes
  24
  25 class MyFrame;
  26 class MyApp;
  27
  28 // MyCanvas
  29
  30 class MyCanvas: public wxScrolledWindow
  31 {
  32 public:
  33     MyCanvas() {};
  34     MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
  35     ~MyCanvas();
  36     void OnPaint( wxPaintEvent &event );
  37
  38     DECLARE_DYNAMIC_CLASS(MyCanvas)
  39     DECLARE_EVENT_TABLE()
  40 };
  41
  42 // MyFrame
  43
  44 class MyFrame: public wxFrame
  45 {
  46 public:
  47     MyFrame();
  48
  49     void OnAbout( wxCommandEvent &event );
  50     void OnQuit( wxCommandEvent &event );
  51
  52     MyCanvas         *m_canvas;
  53
  54     DECLARE_DYNAMIC_CLASS(MyFrame)
  55     DECLARE_EVENT_TABLE()
  56 };
  57
  58 // MyApp
  59
  60 class MyApp: public wxApp
  61 {
  62 public:
  63     virtual bool OnInit();
  64 };
  65
  66 // main program
  67
  68 IMPLEMENT_APP(MyApp)
  69
  70 // MyCanvas
  71
  72 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
  73
  74 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  75   EVT_PAINT(MyCanvas::OnPaint)
  76 END_EVENT_TABLE()
  77
  78 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
  79                     const wxPoint &pos, const wxSize &size )
  80         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER | wxTAB_TRAVERSAL )
  81 {
  82     wxString choices[] =
  83     {
  84         "This",
  85         "is one of my",
  86         "really",
  87         "wonderful",
  88         "examples."
  89     };
  90
  91   (void) new wxButton( this, -1, "wxButton", wxPoint(10,10) );
  92
  93   (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,50) );
  94
  95   (void) new wxRadioButton( this, -1, "Disable", wxPoint(10,90) );
  96
  97   (void) new wxComboBox( this, -1, "This", wxPoint(10,130), wxDefaultSize, 5, choices );
  98
  99   (void) new wxRadioBox( this, -1, "This", wxPoint(10,200), wxDefaultSize, 5, choices );
 100
 101   SetBackgroundColour( *wxWHITE );
 102 }
 103
 104 MyCanvas::~MyCanvas()
 105 {
 106 }
 107
 108 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 109 {
 110   wxPaintDC dc( this );
 111   PrepareDC( dc );
 112
 113   dc.DrawText( "Some text", 110, 10 );
 114
 115   dc.DrawRectangle( 50, 30, 200, 200 );
 116 }
 117
 118 // MyFrame
 119
 120 const int ID_QUIT  = 108;
 121 const int ID_ABOUT = 109;
 122
 123 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 124
 125 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 126   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 127   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 128 END_EVENT_TABLE()
 129
 130 MyFrame::MyFrame()
 131        : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample",
 132                   wxPoint(20,20), wxSize(470,360) )
 133 {
 134 /*
 135   wxMenu *file_menu = new wxMenu();
 136   file_menu->Append( ID_ABOUT, "&About..");
 137   file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 138
 139   wxMenuBar *menu_bar = new wxMenuBar();
 140   menu_bar->Append(file_menu, "&File");
 141
 142   SetMenuBar( menu_bar );
 143
 144   CreateStatusBar(2);
 145   int widths[] = { -1, 100 };
 146   SetStatusWidths( 2, widths );
 147
 148 */
 149   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 150   m_canvas->SetScrollbars( 10, 10, 50, 100 );
 151 }
 152
 153 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 154 {
 155   Close( TRUE );
 156 }
 157
 158 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 159 {
 160   (void)wxMessageBox( "wxScroll demo\n"
 161                       "Robert Roebling (c) 1998",
 162                       "About wxScroll Demo", wxICON_INFORMATION | wxOK );
 163 }
 164
 165 //-----------------------------------------------------------------------------
 166 // MyApp
 167 //-----------------------------------------------------------------------------
 168
 169 bool MyApp::OnInit()
 170 {
 171   wxFrame *frame = new MyFrame();
 172   frame->Show( TRUE );
 173
 174   return TRUE;
 175 }
 176