contrib/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/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 #if wxUSE_LOG
  73     wxTextCtrl     *m_log;
  74 #endif // wxUSE_LOG
  75
  76 private:
  77     DECLARE_DYNAMIC_CLASS(MyFrame)
  78     DECLARE_EVENT_TABLE()
  79 };
  80
  81 // MyApp
  82
  83 class MyApp: public wxApp
  84 {
  85 public:
  86     virtual bool OnInit();
  87 };
  88
  89 // main program
  90
  91 IMPLEMENT_APP(MyApp)
  92
  93 // MyFrame
  94
  95 const int ID_QUIT  = 108;
  96 const int ID_ABOUT = 109;
  97
  98 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
  99
 100 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 101   EVT_MENU             (ID_ABOUT, MyFrame::OnAbout)
 102   EVT_MENU             (ID_QUIT,  MyFrame::OnQuit)
 103   EVT_PLOT_CLICKED         ( -1,  MyFrame::OnPlotClick)
 104   EVT_PLOT_DOUBLECLICKED   ( -1,  MyFrame::OnPlotDClick)
 105 END_EVENT_TABLE()
 106
 107 MyFrame::MyFrame()
 108        : wxFrame( (wxFrame *)NULL, -1, _T("wxPlotWindow sample"),
 109                   wxPoint(20,20), wxSize(470,500) )
 110 {
 111     wxMenu *file_menu = new wxMenu();
 112     file_menu->Append( ID_ABOUT, _T("&About.."));
 113     file_menu->Append( ID_QUIT, _T("E&xit\tAlt-X"));
 114
 115     wxMenuBar *menu_bar = new wxMenuBar();
 116     menu_bar->Append(file_menu, _T("&File"));
 117
 118     SetMenuBar( menu_bar );
 119
 120 #if wxUSE_STATUSBAR
 121     CreateStatusBar(2);
 122     int widths[] = { -1, 100 };
 123     SetStatusWidths( 2, widths );
 124 #endif // wxUSE_STATUSBAR
 125
 126     m_plot = new wxPlotWindow( this, -1, wxPoint(0,0), wxSize(100,100), wxSUNKEN_BORDER | wxPLOT_DEFAULT );
 127     m_plot->SetUnitsPerValue( 0.01 );
 128 //    m_plot->SetScrollOnThumbRelease( TRUE );
 129
 130     m_plot->Add( new MyPlotCurve( 0,  -1.5, 1.5 ) );
 131     m_plot->Add( new MyPlotCurve( 50, -1.5, 1.5 ) );
 132     wxPlotOnOffCurve *oo = new wxPlotOnOffCurve( 10 );
 133     oo->Add( 10, 20 );
 134     oo->Add( 25, 30 );
 135     oo->Add( 100, 400 );
 136     oo->Add( 1000, 2000 );
 137     m_plot->Add( oo );
 138
 139 #if wxUSE_LOG
 140     m_log = new wxTextCtrl( this, -1, _T("This is the log window.\n"), wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 141     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 142     delete old_log;
 143 #endif // wxUSE_LOG
 144
 145     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 146
 147     topsizer->Add( m_plot, 1, wxEXPAND );
 148 #if wxUSE_LOG
 149     topsizer->Add( m_log, 0, wxEXPAND );
 150 #endif // wxUSE_LOG
 151
 152     SetAutoLayout( true );
 153     SetSizer( topsizer );
 154 }
 155
 156 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 157 {
 158   Close( true );
 159 }
 160
 161 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 162 {
 163   (void)wxMessageBox( _T("wxPlotWindow Demo\n")
 164                       _T("Robert Roebling (c) 1999,2000"),
 165                       _T("About wxPlotWindow Demo"), wxICON_INFORMATION | wxOK );
 166 }
 167
 168 void MyFrame::OnPlotClick( wxPlotEvent &event )
 169 {
 170     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 171     double y = event.GetCurve()->GetY( event.GetPosition() );
 172     wxLogMessage( _T("Clicked on curve at x coordinate: %f, value: %f"), x, y );
 173 }
 174
 175 void MyFrame::OnPlotDClick( wxPlotEvent &event )
 176 {
 177     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 178     double y = event.GetCurve()->GetY( event.GetPosition() );
 179     wxLogMessage( _T("Double clicked on curve at x coordinate: %f, value: %f"), x, y );
 180 }
 181
 182 //-----------------------------------------------------------------------------
 183 // MyApp
 184 //-----------------------------------------------------------------------------
 185
 186 bool MyApp::OnInit()
 187 {
 188     wxFrame *frame = new MyFrame();
 189     frame->Show( TRUE );
 190
 191     return TRUE;
 192 }
 193