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 license
  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   // Give it an icon (this is ignored in MDI mode: uses resources)
  71 #ifdef __WXMSW__
  72     frame->SetIcon(wxIcon(wxT("joyicon")));
  73 #endif
  74 #ifdef __X__
  75     frame->SetIcon(wxIcon(wxT("joyicon.xbm")));
  76 #endif
  77
  78     // Make a menubar
  79     wxMenu *file_menu = new wxMenu;
  80
  81     file_menu->Append(JOYTEST_QUIT, wxT("&Exit"));
  82
  83     wxMenuBar *menu_bar = new wxMenuBar;
  84
  85     menu_bar->Append(file_menu, wxT("&File"));
  86
  87     // Associate the menu bar with the frame
  88     frame->SetMenuBar(menu_bar);
  89
  90 #if wxUSE_STATUSBAR
  91     frame->CreateStatusBar();
  92     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()));
  93 #endif // wxUSE_STATUSBAR
  94
  95     frame->CenterOnScreen();
  96     frame->Show(true);
  97
  98     SetTopWindow(frame);
  99
 100     return true;
 101 }
 102
 103 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 104     EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
 105 END_EVENT_TABLE()
 106
 107 // Define a constructor for my canvas
 108 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 109     wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER)
 110 {
 111     m_stick = new wxJoystick(wxJOYSTICK1);
 112     nButtons = m_stick->GetNumberButtons();
 113     m_stick->SetCapture(this, 10);
 114 }
 115
 116 MyCanvas::~MyCanvas()
 117 {
 118     m_stick->ReleaseCapture();
 119     delete m_stick;
 120 }
 121
 122 void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
 123 {
 124     wxClientDC dc(this);
 125
 126     wxPoint pt(event.GetPosition());
 127
 128     // if negative positions are possible then shift everything up
 129     int xmin = wxGetApp().m_minX;
 130     int xmax = wxGetApp().m_maxX;
 131     int ymin = wxGetApp().m_minY;
 132     int ymax = wxGetApp().m_maxY;
 133     if (xmin < 0) {
 134         xmax += abs(xmin);
 135         pt.x += abs(xmin);
 136     }
 137     if (ymin < 0) {
 138         ymax += abs(ymin);
 139         pt.y += abs(ymin);
 140     }
 141
 142     // Scale to canvas size
 143     int cw, ch;
 144     GetSize(&cw, &ch);
 145
 146     pt.x = (long) (((double)pt.x/(double)xmax) * cw);
 147     pt.y = (long) (((double)pt.y/(double)ymax) * ch);
 148
 149     if (xpos > -1 && ypos > -1 && event.IsMove() && event.ButtonIsDown())
 150     {
 151         dc.SetPen(*wxBLACK_PEN);
 152         dc.DrawLine(xpos, ypos, pt.x, pt.y);
 153     }
 154
 155     xpos = pt.x;
 156     ypos = pt.y;
 157
 158 #if wxUSE_STATUSBAR
 159     wxString buf;
 160     if (event.ButtonDown())
 161         buf.Printf(wxT("Joystick (%d, %d) #%i Fire!"), pt.x, pt.y, event.GetButtonChange());
 162     else
 163         buf.Printf(wxT("Joystick (%d, %d)  "), pt.x, pt.y);
 164
 165 /*
 166     for(int i = 0; i < nButtons; ++i)
 167     {
 168         buf += wxString(wxT("[")) +
 169         ((event.GetButtonState() & (1 << i)) ? wxT("Y") : wxT("N")) + wxString(wxT("]"));
 170     }
 171 */
 172
 173     frame->SetStatusText(buf);
 174 #endif // wxUSE_STATUSBAR
 175
 176 #if wxUSE_SOUND
 177     if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
 178     {
 179         wxGetApp().m_fire.Play();
 180     }
 181 #endif // wxUSE_SOUND
 182 }
 183
 184 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 185     EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
 186 END_EVENT_TABLE()
 187
 188 MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
 189     const wxSize& size, const long style)
 190     : wxFrame(parent, wxID_ANY, title, pos, size, style)
 191 {
 192     canvas = new MyCanvas(this);
 193 }
 194
 195 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 196 {
 197     Close(true);
 198 }
 199
 200 void MyFrame::OnActivate(wxActivateEvent& event)
 201 {
 202     if (event.GetActive() && canvas)
 203         canvas->SetFocus();
 204 }