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 )
  81 {
  82   (void) new wxButton( this, -1, "wxButton", wxPoint(10,10) );
  83
  84   (void) new wxTextCtrl( this, -1, "wxTextCtrl", wxPoint(10,50) );
  85
  86   (void) new wxCheckBox( this, -1, "Disable", wxPoint(10,90) );
  87
  88     wxString choices[] =
  89     {
  90         "This",
  91         "is one of my",
  92         "really",
  93         "wonderful",
  94         "examples."
  95     };
  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
 102 MyCanvas::~MyCanvas()
 103 {
 104 }
 105
 106 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 107 {
 108   wxPaintDC dc( this );
 109   PrepareDC( dc );
 110
 111   dc.DrawText( "Some text", 10, 10 );
 112
 113   dc.DrawRectangle( 50, 30, 200, 200 );
 114 }
 115
 116 // MyFrame
 117
 118 const int ID_QUIT  = 108;
 119 const int ID_ABOUT = 109;
 120
 121 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 122
 123 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 124   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
 125   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 126 END_EVENT_TABLE()
 127
 128 MyFrame::MyFrame()
 129        : wxFrame( (wxFrame *)NULL, -1, "wxScrolledWindow sample",
 130                   wxPoint(20,20), wxSize(470,360) )
 131 {
 132   wxMenu *file_menu = new wxMenu();
 133   file_menu->Append( ID_ABOUT, "&About..");
 134   file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 135
 136   wxMenuBar *menu_bar = new wxMenuBar();
 137   menu_bar->Append(file_menu, "&File");
 138
 139   SetMenuBar( menu_bar );
 140
 141   CreateStatusBar(2);
 142   int widths[] = { -1, 100 };
 143   SetStatusWidths( 2, widths );
 144
 145   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 146   m_canvas->SetScrollbars( 10, 10, 50, 100 );
 147 }
 148
 149 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 150 {
 151   Close( TRUE );
 152 }
 153
 154 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 155 {
 156   (void)wxMessageBox( "wxScroll demo\n"
 157                       "Robert Roebling (c) 1998",
 158                       "About wxScroll Demo", wxICON_INFORMATION | wxOK );
 159 }
 160
 161 //-----------------------------------------------------------------------------
 162 // MyApp
 163 //-----------------------------------------------------------------------------
 164
 165 bool MyApp::OnInit()
 166 {
 167   wxFrame *frame = new MyFrame();
 168   frame->Show( TRUE );
 169
 170   return TRUE;
 171 }
 172