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
  83   SetBackgroundColour( *wxWHITE );
  84
  85   (void) new wxButton( this, -1, "wxButton", wxPoint(10,10) );
  86
  87   (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,50) );
  88
  89   (void) new wxRadioButton( this, -1, "Disable", wxPoint(10,90) );
  90
  91     wxString choices[] =
  92     {
  93         "This",
  94         "is one of my",
  95         "really",
  96         "wonderful",
  97         "examples."
  98     };
  99
 100   (void) new wxComboBox( this, -1, "This", wxPoint(10,130), wxDefaultSize, 5, choices );
 101
 102   (void) new wxRadioBox( this, -1, "This", wxPoint(10,200), wxDefaultSize, 5, choices );
 103 }
 104
 105 MyCanvas::~MyCanvas()
 106 {
 107 }
 108
 109 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 110 {
 111   return;
 112
 113   wxPaintDC dc( this );
 114   PrepareDC( dc );
 115
 116   dc.DrawText( "Some text", 10, 10 );
 117
 118   dc.DrawRectangle( 50, 30, 200, 200 );
 119 }
 120
 121 // MyFrame
 122
 123 const int ID_QUIT  = 108;
 124 const int ID_ABOUT = 109;
 125
 126 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 127
 128 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 129   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 130   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 131 END_EVENT_TABLE()
 132
 133 MyFrame::MyFrame()
 134        : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample",
 135                   wxPoint(20,20), wxSize(470,360) )
 136 {
 137   wxMenu *file_menu = new wxMenu();
 138   file_menu->Append( ID_ABOUT, "&About..");
 139   file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 140
 141   wxMenuBar *menu_bar = new wxMenuBar();
 142   menu_bar->Append(file_menu, "&File");
 143
 144   SetMenuBar( menu_bar );
 145
 146   CreateStatusBar(2);
 147   int widths[] = { -1, 100 };
 148   SetStatusWidths( 2, widths );
 149
 150   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 151   m_canvas->SetScrollbars( 10, 10, 50, 100 );
 152 }
 153
 154 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 155 {
 156   Close( TRUE );
 157 }
 158
 159 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 160 {
 161   (void)wxMessageBox( "wxScroll demo\n"
 162                       "Robert Roebling (c) 1998",
 163                       "About wxScroll Demo", wxICON_INFORMATION | wxOK );
 164 }
 165
 166 //-----------------------------------------------------------------------------
 167 // MyApp
 168 //-----------------------------------------------------------------------------
 169
 170 bool MyApp::OnInit()
 171 {
 172   wxFrame *frame = new MyFrame();
 173   frame->Show( TRUE );
 174
 175   return TRUE;
 176 }
 177