samples/plot/plot.cpp

   1 /*
   2  * Program: wxPlotWindow
   3  *
   4  * Author: Robert Roebling
   5  *
   6  * Copyright: (C) 1999, 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/plot.h"
  22
  23 #include "wx/image.h"
  24 #include "wx/listctrl.h"
  25 #include "wx/sizer.h"
  26 #include "wx/log.h"
  27 #include "wx/intl.h"
  28
  29 #include <math.h>
  30
  31 // derived classes
  32
  33 class MyPlotCurve;
  34 class MyFrame;
  35 class MyApp;
  36
  37 // MyPlotCurve
  38
  39 class MyPlotCurve: public wxPlotCurve
  40 {
  41 public:
  42     MyPlotCurve( int offsetY, double startY, double endY ) :
  43         wxPlotCurve( offsetY, startY, endY ) {}
  44
  45     virtual wxInt32 GetStartX()
  46         { return 0; }
  47     virtual wxInt32 GetEndX()
  48         { return 10000; }
  49
  50     virtual double GetY( wxInt32 x )
  51         {
  52             double dx = x;
  53             dx /= 100;
  54             return sin( dx );
  55         }
  56 };
  57
  58 // MyFrame
  59
  60 class MyFrame: public wxFrame
  61 {
  62 public:
  63     MyFrame();
  64
  65     void OnAbout( wxCommandEvent &event );
  66     void OnQuit( wxCommandEvent &event );
  67
  68     wxPlotWindow   *m_plot;
  69     wxTextCtrl     *m_log;
  70
  71 private:
  72     DECLARE_DYNAMIC_CLASS(MyFrame)
  73     DECLARE_EVENT_TABLE()
  74 };
  75
  76 // MyApp
  77
  78 class MyApp: public wxApp
  79 {
  80 public:
  81     virtual bool OnInit();
  82 };
  83
  84 // main program
  85
  86 IMPLEMENT_APP(MyApp)
  87
  88 // MyFrame
  89
  90 const int ID_QUIT  = 108;
  91 const int ID_ABOUT = 109;
  92
  93 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
  94
  95 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
  96   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
  97   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
  98 END_EVENT_TABLE()
  99
 100 MyFrame::MyFrame()
 101        : wxFrame( (wxFrame *)NULL, -1, "wxPlotWindow sample",
 102                   wxPoint(20,20), wxSize(470,500) )
 103 {
 104     wxMenu *file_menu = new wxMenu();
 105     file_menu->Append( ID_ABOUT, "&About..");
 106     file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 107
 108     wxMenuBar *menu_bar = new wxMenuBar();
 109     menu_bar->Append(file_menu, "&File");
 110
 111     SetMenuBar( menu_bar );
 112
 113     CreateStatusBar(2);
 114     int widths[] = { -1, 100 };
 115     SetStatusWidths( 2, widths );
 116
 117     m_plot = new wxPlotWindow( this, -1, wxPoint(0,0), wxSize(100,100), wxSUNKEN_BORDER );
 118     m_plot->SetScrollbars( 10, 10, 500, 0 );
 119
 120     m_plot->Add( new MyPlotCurve( 0,  -1.5, 1.5 ) );
 121     m_plot->Add( new MyPlotCurve( 50, -1.5, 1.5 ) );
 122
 123     m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 124     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 125     delete old_log;
 126
 127     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 128
 129     topsizer->Add( m_plot, 1, wxEXPAND );
 130     topsizer->Add( m_log, 0, wxEXPAND );
 131
 132     SetAutoLayout( TRUE );
 133     SetSizer( topsizer );
 134 }
 135
 136 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 137 {
 138   Close( TRUE );
 139 }
 140
 141 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 142 {
 143   (void)wxMessageBox( "wxPlotWindow Demo\n"
 144                       "Robert Roebling (c) 1999,2000",
 145                       "About wxPlotWindow Demo", wxICON_INFORMATION | wxOK );
 146 }
 147
 148 //-----------------------------------------------------------------------------
 149 // MyApp
 150 //-----------------------------------------------------------------------------
 151
 152 bool MyApp::OnInit()
 153 {
 154     wxFrame *frame = new MyFrame();
 155     frame->Show( TRUE );
 156
 157     return TRUE;
 158 }
 159