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 // Initialise this in OnInit, not statically
  43 bool MyApp::OnInit()
  44 {
  45     wxJoystick stick(wxJOYSTICK1);
  46     if (!stick.IsOk())
  47     {
  48         wxMessageBox(_T("No joystick detected!"));
  49         return false;
  50     }
  51
  52 #if wxUSE_SOUND
  53     m_fire.Create(_T("gun.wav"));
  54 #endif // wxUSE_SOUND
  55
  56     m_minX = stick.GetXMin();
  57     m_minY = stick.GetYMin();
  58     m_maxX = stick.GetXMax();
  59     m_maxY = stick.GetYMax();
  60
  61     // Create the main frame window
  62
  63     frame = new MyFrame(NULL, _T("Joystick Demo"), wxDefaultPosition,
  64         wxSize(500, 400), wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
  65
  66   // Give it an icon (this is ignored in MDI mode: uses resources)
  67 #ifdef __WXMSW__
  68     frame->SetIcon(wxIcon(_T("joyicon")));
  69 #endif
  70 #ifdef __X__
  71     frame->SetIcon(wxIcon(_T("joyicon.xbm")));
  72 #endif
  73
  74     // Make a menubar
  75     wxMenu *file_menu = new wxMenu;
  76
  77     file_menu->Append(JOYTEST_QUIT, _T("&Exit"));
  78
  79     wxMenuBar *menu_bar = new wxMenuBar;
  80
  81     menu_bar->Append(file_menu, _T("&File"));
  82
  83     // Associate the menu bar with the frame
  84     frame->SetMenuBar(menu_bar);
  85
  86 #if wxUSE_STATUSBAR
  87     frame->CreateStatusBar();
  88 #endif // wxUSE_STATUSBAR
  89
  90     frame->CenterOnScreen();
  91     frame->Show(true);
  92
  93     SetTopWindow(frame);
  94
  95     return true;
  96 }
  97
  98 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
  99     EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
 100 END_EVENT_TABLE()
 101
 102 // Define a constructor for my canvas
 103 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 104     wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER)
 105 {
 106     m_stick = new wxJoystick(wxJOYSTICK1);
 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(_T("Joystick (%d, %d) Fire!"), pt.x, pt.y);
 156     else
 157         buf.Printf(_T("Joystick (%d, %d)"), pt.x, pt.y);
 158
 159     frame->SetStatusText(buf);
 160 #endif // wxUSE_STATUSBAR
 161
 162 #if wxUSE_SOUND
 163     if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
 164     {
 165         wxGetApp().m_fire.Play();
 166     }
 167 #endif // wxUSE_SOUND
 168 }
 169
 170 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 171     EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
 172 END_EVENT_TABLE()
 173
 174 MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
 175     const wxSize& size, const long style)
 176     : wxFrame(parent, wxID_ANY, title, pos, size, style)
 177 {
 178     canvas = new MyCanvas(this);
 179 }
 180
 181 MyFrame::~MyFrame()
 182 {
 183     // Empty
 184 }
 185
 186 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 187 {
 188     Close(true);
 189 }
 190
 191 void MyFrame::OnActivate(wxActivateEvent& event)
 192 {
 193     if (event.GetActive() && canvas)
 194         canvas->SetFocus();
 195 }