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     wxJoystick stick(wxJOYSTICK1);
  47     if (!stick.IsOk())
  48     {
  49         wxMessageBox(_T("No joystick detected!"));
  50         return false;
  51     }
  52
  53 #if wxUSE_SOUND
  54     m_fire.Create(_T("gun.wav"));
  55 #endif // wxUSE_SOUND
  56
  57     m_minX = stick.GetXMin();
  58     m_minY = stick.GetYMin();
  59     m_maxX = stick.GetXMax();
  60     m_maxY = stick.GetYMax();
  61
  62     // Create the main frame window
  63
  64     frame = new MyFrame(NULL, _T("Joystick Demo"), wxDefaultPosition,
  65         wxSize(500, 400), wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
  66
  67   // Give it an icon (this is ignored in MDI mode: uses resources)
  68 #ifdef __WXMSW__
  69     frame->SetIcon(wxIcon(_T("joyicon")));
  70 #endif
  71 #ifdef __X__
  72     frame->SetIcon(wxIcon(_T("joyicon.xbm")));
  73 #endif
  74
  75     // Make a menubar
  76     wxMenu *file_menu = new wxMenu;
  77
  78     file_menu->Append(JOYTEST_QUIT, _T("&Exit"));
  79
  80     wxMenuBar *menu_bar = new wxMenuBar;
  81
  82     menu_bar->Append(file_menu, _T("&File"));
  83
  84     // Associate the menu bar with the frame
  85     frame->SetMenuBar(menu_bar);
  86
  87 #if wxUSE_STATUSBAR
  88     frame->CreateStatusBar();
  89     frame->SetStatusText(wxString::Format(wxT("Device [%s] (PID:[%i] MID:[%i]) Ready... # of joysticks:[%i]"), stick.GetProductName().c_str(), stick.GetProductId(), stick.GetManufacturerId(), stick.GetNumberJoysticks()));
  90 #endif // wxUSE_STATUSBAR
  91
  92     frame->CenterOnScreen();
  93     frame->Show(true);
  94
  95     SetTopWindow(frame);
  96
  97     return true;
  98 }
  99
 100 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 101     EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
 102 END_EVENT_TABLE()
 103
 104 // Define a constructor for my canvas
 105 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 106     wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER)
 107 {
 108     m_stick = new wxJoystick(wxJOYSTICK1);
 109     nButtons = m_stick->GetNumberButtons();
 110     m_stick->SetCapture(this, 10);
 111 }
 112
 113 MyCanvas::~MyCanvas()
 114 {
 115     m_stick->ReleaseCapture();
 116     delete m_stick;
 117 }
 118
 119 void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
 120 {
 121     wxClientDC dc(this);
 122
 123     wxPoint pt(event.GetPosition());
 124
 125     // if negative positions are possible then shift everything up
 126     int xmin = wxGetApp().m_minX;
 127     int xmax = wxGetApp().m_maxX;
 128     int ymin = wxGetApp().m_minY;
 129     int ymax = wxGetApp().m_maxY;
 130     if (xmin < 0) {
 131         xmax += abs(xmin);
 132         pt.x += abs(xmin);
 133     }
 134     if (ymin < 0) {
 135         ymax += abs(ymin);
 136         pt.y += abs(ymin);
 137     }
 138
 139     // Scale to canvas size
 140     int cw, ch;
 141     GetSize(&cw, &ch);
 142
 143     pt.x = (long) (((double)pt.x/(double)xmax) * cw);
 144     pt.y = (long) (((double)pt.y/(double)ymax) * ch);
 145
 146     if (xpos > -1 && ypos > -1 && event.IsMove() && event.ButtonIsDown())
 147     {
 148         dc.SetPen(*wxBLACK_PEN);
 149         dc.DrawLine(xpos, ypos, pt.x, pt.y);
 150     }
 151
 152     xpos = pt.x;
 153     ypos = pt.y;
 154
 155 #if wxUSE_STATUSBAR
 156     wxString buf;
 157     if (event.ButtonDown())
 158         buf.Printf(_T("Joystick (%d, %d) #%i Fire!"), pt.x, pt.y, event.GetButtonChange());
 159     else
 160         buf.Printf(_T("Joystick (%d, %d)  "), pt.x, pt.y);
 161
 162 /*
 163     for(int i = 0; i < nButtons; ++i)
 164     {
 165         buf += wxString(wxT("[")) +
 166         ((event.GetButtonState() & (1 << i)) ? wxT("Y") : wxT("N")) + wxString(wxT("]"));
 167     }
 168 */
 169
 170     frame->SetStatusText(buf);
 171 #endif // wxUSE_STATUSBAR
 172
 173 #if wxUSE_SOUND
 174     if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
 175     {
 176         wxGetApp().m_fire.Play();
 177     }
 178 #endif // wxUSE_SOUND
 179 }
 180
 181 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 182     EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
 183 END_EVENT_TABLE()
 184
 185 MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
 186     const wxSize& size, const long style)
 187     : wxFrame(parent, wxID_ANY, title, pos, size, style)
 188 {
 189     canvas = new MyCanvas(this);
 190 }
 191
 192 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 193 {
 194     Close(true);
 195 }
 196
 197 void MyFrame::OnActivate(wxActivateEvent& event)
 198 {
 199     if (event.GetActive() && canvas)
 200         canvas->SetFocus();
 201 }