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 7000; }
  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     void OnPlotClick( wxPlotEvent &event );
  69     void OnPlotDClick( wxPlotEvent &event );
  70
  71     wxPlotWindow   *m_plot;
  72     wxTextCtrl     *m_log;
  73
  74 private:
  75     DECLARE_DYNAMIC_CLASS(MyFrame)
  76     DECLARE_EVENT_TABLE()
  77 };
  78
  79 // MyApp
  80
  81 class MyApp: public wxApp
  82 {
  83 public:
  84     virtual bool OnInit();
  85 };
  86
  87 // main program
  88
  89 IMPLEMENT_APP(MyApp)
  90
  91 // MyFrame
  92
  93 const int ID_QUIT  = 108;
  94 const int ID_ABOUT = 109;
  95
  96 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
  97
  98 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
  99   EVT_MENU             (ID_ABOUT, MyFrame::OnAbout)
 100   EVT_MENU             (ID_QUIT,  MyFrame::OnQuit)
 101   EVT_PLOT_CLICKED         ( -1,  MyFrame::OnPlotClick)
 102   EVT_PLOT_DOUBLECLICKED   ( -1,  MyFrame::OnPlotDClick)
 103 END_EVENT_TABLE()
 104
 105 MyFrame::MyFrame()
 106        : wxFrame( (wxFrame *)NULL, -1, "wxPlotWindow sample",
 107                   wxPoint(20,20), wxSize(470,500) )
 108 {
 109     wxMenu *file_menu = new wxMenu();
 110     file_menu->Append( ID_ABOUT, "&About..");
 111     file_menu->Append( ID_QUIT, "E&xit\tAlt-X");
 112
 113     wxMenuBar *menu_bar = new wxMenuBar();
 114     menu_bar->Append(file_menu, "&File");
 115
 116     SetMenuBar( menu_bar );
 117
 118     CreateStatusBar(2);
 119     int widths[] = { -1, 100 };
 120     SetStatusWidths( 2, widths );
 121
 122     m_plot = new wxPlotWindow( this, -1, wxPoint(0,0), wxSize(100,100), wxSUNKEN_BORDER | wxPLOT_DEFAULT );
 123     m_plot->SetUnitsPerValue( 0.01 );
 124     m_plot->SetScrollOnThumbRelease( TRUE );
 125
 126     m_plot->Add( new MyPlotCurve( 0,  -1.5, 1.5 ) );
 127     m_plot->Add( new MyPlotCurve( 50, -1.5, 1.5 ) );
 128     wxPlotOnOffCurve *oo = new wxPlotOnOffCurve( 10 );
 129     oo->Add( 10, 20 );
 130     oo->Add( 25, 30 );
 131     oo->Add( 100, 400 );
 132     oo->Add( 1000, 2000 );
 133     m_plot->Add( oo );
 134
 135     m_log = new wxTextCtrl( this, -1, "This is the log window.\n", wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 136     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 137     delete old_log;
 138
 139     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 140
 141     topsizer->Add( m_plot, 1, wxEXPAND );
 142     topsizer->Add( m_log, 0, wxEXPAND );
 143
 144     SetAutoLayout( TRUE );
 145     SetSizer( topsizer );
 146 }
 147
 148 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 149 {
 150   Close( TRUE );
 151 }
 152
 153 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 154 {
 155   (void)wxMessageBox( "wxPlotWindow Demo\n"
 156                       "Robert Roebling (c) 1999,2000",
 157                       "About wxPlotWindow Demo", wxICON_INFORMATION | wxOK );
 158 }
 159
 160 void MyFrame::OnPlotClick( wxPlotEvent &event )
 161 {
 162     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 163     double y = event.GetCurve()->GetY( event.GetPosition() );
 164     wxLogMessage( "Clicked on curve at x coordinate: %f, value: %f", x, y );
 165 }
 166
 167 void MyFrame::OnPlotDClick( wxPlotEvent &event )
 168 {
 169     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 170     double y = event.GetCurve()->GetY( event.GetPosition() );
 171     wxLogMessage( "Double clicked on curve at x coordinate: %f, value: %f", x, y );
 172 }
 173
 174 //-----------------------------------------------------------------------------
 175 // MyApp
 176 //-----------------------------------------------------------------------------
 177
 178 bool MyApp::OnInit()
 179 {
 180     wxFrame *frame = new MyFrame();
 181     frame->Show( TRUE );
 182
 183     return TRUE;
 184 }
 185