contrib/samples/plot/plot.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        plot.cpp
   3 // Purpose:     wxPlotWindow sample
   4 // Author:      Robert Roebling
   5 // Modified by:
   6 // Created:
   7 // Copyright:   (C) 1999, Robert Roebling
   8 // RCS-ID:      $Id$
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/plot/plot.h"
  24
  25 #include "wx/image.h"
  26 #include "wx/listctrl.h"
  27 #include "wx/sizer.h"
  28 #include "wx/log.h"
  29 #include "wx/intl.h"
  30 #include "wx/math.h"
  31
  32 // derived classes
  33
  34 class MyPlotCurve;
  35 class MyFrame;
  36 class MyApp;
  37
  38 // MyPlotCurve
  39
  40 class MyPlotCurve: public wxPlotCurve
  41 {
  42 public:
  43     MyPlotCurve( int offsetY, double startY, double endY ) :
  44         wxPlotCurve( offsetY, startY, endY ) {}
  45
  46     virtual wxInt32 GetStartX()
  47         { return 0; }
  48     virtual wxInt32 GetEndX()
  49         { return 7000; }
  50
  51     virtual double GetY( wxInt32 x )
  52         {
  53             double dx = x;
  54             dx /= 100;
  55             return sin( dx );
  56         }
  57 };
  58
  59 // MyFrame
  60
  61 class MyFrame: public wxFrame
  62 {
  63 public:
  64     MyFrame();
  65
  66     void OnAbout( wxCommandEvent &event );
  67     void OnQuit( wxCommandEvent &event );
  68
  69     void OnPlotClick( wxPlotEvent &event );
  70     void OnPlotDClick( wxPlotEvent &event );
  71
  72 private:
  73
  74     wxPlotWindow   *m_plot;
  75 #if wxUSE_LOG
  76     wxTextCtrl     *m_log;
  77 #endif // wxUSE_LOG
  78
  79     DECLARE_DYNAMIC_CLASS(MyFrame)
  80     DECLARE_EVENT_TABLE()
  81 };
  82
  83 // MyApp
  84
  85 class MyApp: public wxApp
  86 {
  87 public:
  88     virtual bool OnInit();
  89 };
  90
  91 // main program
  92
  93 IMPLEMENT_APP(MyApp)
  94
  95 // MyFrame
  96
  97 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
  98
  99 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
 100     EVT_MENU                 (wxID_ABOUT, MyFrame::OnAbout)
 101     EVT_MENU                 (wxID_EXIT,  MyFrame::OnQuit)
 102     EVT_PLOT_CLICKED         (wxID_ANY,   MyFrame::OnPlotClick)
 103     EVT_PLOT_DOUBLECLICKED   (wxID_ANY,   MyFrame::OnPlotDClick)
 104 END_EVENT_TABLE()
 105
 106 MyFrame::MyFrame()
 107        : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxPlotWindow sample"),
 108                   wxPoint(20,20), wxSize(470,500) )
 109 {
 110     wxMenu *fileMenu = new wxMenu();
 111     fileMenu->Append( wxID_EXIT, _T("E&xit\tAlt-X"), _T("Quit this program"));
 112
 113     wxMenu *helpMenu = new wxMenu;
 114     helpMenu->Append(wxID_ABOUT, _T("&About...\tF1"), _T("Show about dialog"));
 115
 116     wxMenuBar *menuBar = new wxMenuBar();
 117     menuBar->Append(fileMenu, _T("&File"));
 118     menuBar->Append(helpMenu, _T("&Help"));
 119
 120     SetMenuBar( menuBar );
 121
 122 #if wxUSE_STATUSBAR
 123     CreateStatusBar(2);
 124     int widths[] = { -1, 100 };
 125     SetStatusWidths( 2, widths );
 126 #endif // wxUSE_STATUSBAR
 127
 128     m_plot = new wxPlotWindow( this, wxID_ANY, wxPoint(0,0), wxSize(100,100), wxSUNKEN_BORDER | wxPLOT_DEFAULT );
 129     m_plot->SetUnitsPerValue( 0.01 );
 130 //    m_plot->SetScrollOnThumbRelease( true );
 131
 132     //Add a blue, 16pt chart title
 133     wxString titleText( _T("The Chart Title") );
 134     wxFont titleFont( *wxNORMAL_FONT );
 135     titleFont.SetPointSize( 16 );
 136     wxColour titleColour( *wxBLUE );
 137     m_plot->AddChartTitle( titleText, titleFont, titleColour );
 138
 139     m_plot->Add( new MyPlotCurve( 0,  -1.5, 1.5 ) );
 140     m_plot->Add( new MyPlotCurve( 50, -1.5, 1.5 ) );
 141     wxPlotOnOffCurve *oo = new wxPlotOnOffCurve( 10 );
 142     oo->Add( 10, 20 );
 143     oo->Add( 25, 30 );
 144     oo->Add( 100, 400 );
 145     oo->Add( 1000, 2000 );
 146     m_plot->Add( oo );
 147
 148 #if wxUSE_LOG
 149     m_log = new wxTextCtrl( this, wxID_ANY, _T("This is the log window.\n"), wxPoint(0,0), wxSize(100,100), wxTE_MULTILINE );
 150     wxLog *old_log = wxLog::SetActiveTarget( new wxLogTextCtrl( m_log ) );
 151     delete old_log;
 152 #endif // wxUSE_LOG
 153
 154     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 155
 156     topsizer->Add( m_plot, 1, wxEXPAND );
 157 #if wxUSE_LOG
 158     topsizer->Add( m_log, 0, wxEXPAND );
 159 #endif // wxUSE_LOG
 160
 161     SetAutoLayout( true );
 162     SetSizer( topsizer );
 163     topsizer->Fit(this);
 164     topsizer->SetSizeHints(this);
 165 }
 166
 167 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 168 {
 169     Close( true );
 170 }
 171
 172 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 173 {
 174     (void)wxMessageBox( _T("wxPlotWindow Demo\n")
 175                         _T("Robert Roebling (c) 1999,2000"),
 176                         _T("About wxPlotWindow Demo"), wxICON_INFORMATION | wxOK );
 177 }
 178
 179 void MyFrame::OnPlotClick( wxPlotEvent &event )
 180 {
 181     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 182     double y = event.GetCurve()->GetY( event.GetPosition() );
 183     wxLogMessage( _T("Clicked on curve at x coordinate: %f, value: %f"), x, y );
 184 }
 185
 186 void MyFrame::OnPlotDClick( wxPlotEvent &event )
 187 {
 188     double x = event.GetPosition() * m_plot->GetUnitsPerValue();
 189     double y = event.GetCurve()->GetY( event.GetPosition() );
 190     wxLogMessage( _T("Double clicked on curve at x coordinate: %f, value: %f"), x, y );
 191 }
 192
 193 //-----------------------------------------------------------------------------
 194 // MyApp
 195 //-----------------------------------------------------------------------------
 196
 197 bool MyApp::OnInit()
 198 {
 199     wxFrame *frame = new MyFrame();
 200     frame->Show( true );
 201
 202     return true;
 203 }
 204