samples/joytest/joytest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        joytest.cpp
   3 // Purpose:     Joystick sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   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 #if !wxUSE_JOYSTICK
  24 #   error You must set wxUSE_JOYSTICK to 1 in setup.h
  25 #endif
  26
  27 #include "wx/sound.h"
  28 #include "wx/joystick.h"
  29
  30 #include "joytest.h"
  31
  32 MyFrame *frame = NULL;
  33
  34 IMPLEMENT_APP(MyApp)
  35
  36 // For drawing lines in a canvas
  37 long xpos = -1;
  38 long ypos = -1;
  39
  40 int winNumber = 1;
  41
  42 int nButtons = 0;
  43 // Initialise this in OnInit, not statically
  44 bool MyApp::OnInit()
  45 {
  46     if ( !wxApp::OnInit() )
  47         return false;
  48
  49     wxJoystick stick(wxJOYSTICK1);
  50     if (!stick.IsOk())
  51     {
  52         wxMessageBox(wxT("No joystick detected!"));
  53         return false;
  54     }
  55
  56 #if wxUSE_SOUND
  57     m_fire.Create(wxT("buttonpress.wav"));
  58 #endif // wxUSE_SOUND
  59
  60     m_minX = stick.GetXMin();
  61     m_minY = stick.GetYMin();
  62     m_maxX = stick.GetXMax();
  63     m_maxY = stick.GetYMax();
  64
  65     // Create the main frame window
  66
  67     frame = new MyFrame(NULL, wxT("Joystick Demo"), wxDefaultPosition,
  68         wxSize(500, 400), wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
  69
  70     frame->SetIcon(wxICON(sample));
  71
  72     // Make a menubar
  73     wxMenu *file_menu = new wxMenu;
  74
  75     file_menu->Append(JOYTEST_QUIT, wxT("&Exit"));
  76
  77     wxMenuBar *menu_bar = new wxMenuBar;
  78
  79     menu_bar->Append(file_menu, wxT("&File"));
  80
  81     // Associate the menu bar with the frame
  82     frame->SetMenuBar(menu_bar);
  83
  84 #if wxUSE_STATUSBAR
  85     frame->CreateStatusBar();
  86     frame->SetStatusText(wxString::Format(wxT("Device [%s] (PID:[%i] MID:[%i]) Ready... # of joysticks:[%i]"), stick.GetProductName().c_str(), stick.GetProductId(), stick.GetManufacturerId(), wxJoystick::GetNumberJoysticks()));
  87 #endif // wxUSE_STATUSBAR
  88
  89     frame->CenterOnScreen();
  90     frame->Show(true);
  91
  92     SetTopWindow(frame);
  93
  94     return true;
  95 }
  96
  97 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  98     EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
  99 END_EVENT_TABLE()
 100
 101 // Define a constructor for my canvas
 102 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 103     wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER)
 104 {
 105     m_stick = new wxJoystick(wxJOYSTICK1);
 106     nButtons = m_stick->GetNumberButtons();
 107     m_stick->SetCapture(this, 10);
 108 }
 109
 110 MyCanvas::~MyCanvas()
 111 {
 112     m_stick->ReleaseCapture();
 113     delete m_stick;
 114 }
 115
 116 void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
 117 {
 118     wxClientDC dc(this);
 119
 120     wxPoint pt(event.GetPosition());
 121
 122     // if negative positions are possible then shift everything up
 123     int xmin = wxGetApp().m_minX;
 124     int xmax = wxGetApp().m_maxX;
 125     int ymin = wxGetApp().m_minY;
 126     int ymax = wxGetApp().m_maxY;
 127     if (xmin < 0) {
 128         xmax += abs(xmin);
 129         pt.x += abs(xmin);
 130     }
 131     if (ymin < 0) {
 132         ymax += abs(ymin);
 133         pt.y += abs(ymin);
 134     }
 135
 136     // Scale to canvas size
 137     int cw, ch;
 138     GetSize(&cw, &ch);
 139
 140     pt.x = (long) (((double)pt.x/(double)xmax) * cw);
 141     pt.y = (long) (((double)pt.y/(double)ymax) * ch);
 142
 143     if (xpos > -1 && ypos > -1 && event.IsMove() && event.ButtonIsDown())
 144     {
 145         dc.SetPen(*wxBLACK_PEN);
 146         dc.DrawLine(xpos, ypos, pt.x, pt.y);
 147     }
 148
 149     xpos = pt.x;
 150     ypos = pt.y;
 151
 152 #if wxUSE_STATUSBAR
 153     wxString buf;
 154     if (event.ButtonDown())
 155         buf.Printf(wxT("Joystick (%d, %d) #%i Fire!"), pt.x, pt.y, event.GetButtonChange());
 156     else
 157         buf.Printf(wxT("Joystick (%d, %d)  "), pt.x, pt.y);
 158
 159 /*
 160     for(int i = 0; i < nButtons; ++i)
 161     {
 162         buf += wxString(wxT("[")) +
 163         ((event.GetButtonState() & (1 << i)) ? wxT("Y") : wxT("N")) + wxString(wxT("]"));
 164     }
 165 */
 166
 167     frame->SetStatusText(buf);
 168 #endif // wxUSE_STATUSBAR
 169
 170 #if wxUSE_SOUND
 171     if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
 172     {
 173         wxGetApp().m_fire.Play();
 174     }
 175 #endif // wxUSE_SOUND
 176 }
 177
 178 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 179     EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
 180 END_EVENT_TABLE()
 181
 182 MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
 183     const wxSize& size, const long style)
 184     : wxFrame(parent, wxID_ANY, title, pos, size, style)
 185 {
 186     canvas = new MyCanvas(this);
 187 }
 188
 189 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 190 {
 191     Close(true);
 192 }
 193
 194 void MyFrame::OnActivate(wxActivateEvent& event)
 195 {
 196     if (event.GetActive() && canvas)
 197         canvas->SetFocus();
 198 }