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 #if !wxUSE_STATUSBAR
  28 #   error You must set wxUSE_STATUSBAR to 1 in setup.h
  29 #endif
  30
  31 #include "wx/sound.h"
  32 #include "wx/joystick.h"
  33
  34 #include "joytest.h"
  35
  36 MyFrame *frame = NULL;
  37
  38 IMPLEMENT_APP(MyApp)
  39
  40 // For drawing lines in a canvas
  41 long xpos = -1;
  42 long ypos = -1;
  43
  44 int winNumber = 1;
  45
  46 // Initialise this in OnInit, not statically
  47 bool MyApp::OnInit()
  48 {
  49     wxJoystick stick(wxJOYSTICK1);
  50     if (!stick.IsOk())
  51     {
  52         wxMessageBox(_T("No joystick detected!"));
  53         return FALSE;
  54     }
  55
  56 #if wxUSE_SOUND
  57     m_fire.Create(_T("gun.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, _T("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(_T("joyicon")));
  73 #endif
  74 #ifdef __X__
  75     frame->SetIcon(wxIcon(_T("joyicon.xbm")));
  76 #endif
  77
  78     // Make a menubar
  79     wxMenu *file_menu = new wxMenu;
  80
  81     file_menu->Append(JOYTEST_QUIT, _T("&Exit"));
  82
  83     wxMenuBar *menu_bar = new wxMenuBar;
  84
  85     menu_bar->Append(file_menu, _T("&File"));
  86
  87     // Associate the menu bar with the frame
  88     frame->SetMenuBar(menu_bar);
  89
  90     frame->CreateStatusBar();
  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, -1, pos, size, wxSUNKEN_BORDER)
 107 {
 108     m_stick = new wxJoystick(wxJOYSTICK1);
 109     m_stick->SetCapture(this, 10);
 110 }
 111
 112 MyCanvas::~MyCanvas()
 113 {
 114     m_stick->ReleaseCapture();
 115     delete m_stick;
 116 }
 117
 118 void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
 119 {
 120     wxClientDC dc(this);
 121
 122     wxPoint pt(event.GetPosition());
 123
 124     // if negative positions are possible then shift everything up
 125     int xmin = wxGetApp().m_minX;
 126     int xmax = wxGetApp().m_maxX;
 127     int ymin = wxGetApp().m_minY;
 128     int ymax = wxGetApp().m_maxY;
 129     if (xmin < 0) {
 130         xmax += abs(xmin);
 131         pt.x += abs(xmin);
 132         xmin = 0;
 133     }
 134     if (ymin < 0) {
 135         ymax += abs(ymin);
 136         pt.y += abs(ymin);
 137         ymin = 0;
 138     }
 139
 140     // Scale to canvas size
 141     int cw, ch;
 142     GetSize(&cw, &ch);
 143
 144     pt.x = (long) (((double)pt.x/(double)xmax) * cw);
 145     pt.y = (long) (((double)pt.y/(double)ymax) * ch);
 146
 147     if (xpos > -1 && ypos > -1 && event.IsMove() && event.ButtonIsDown())
 148     {
 149         dc.SetPen(*wxBLACK_PEN);
 150         dc.DrawLine(xpos, ypos, pt.x, pt.y);
 151     }
 152
 153     xpos = pt.x;
 154     ypos = pt.y;
 155
 156     wxString buf;
 157     if (event.ButtonDown())
 158         buf.Printf(_T("Joystick (%d, %d) Fire!"), pt.x, pt.y);
 159     else
 160         buf.Printf(_T("Joystick (%d, %d)"), pt.x, pt.y);
 161
 162     frame->SetStatusText(buf);
 163
 164 #if wxUSE_SOUND
 165     if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
 166     {
 167         wxGetApp().m_fire.Play();
 168     }
 169 #endif // wxUSE_SOUND
 170 }
 171
 172 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 173     EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
 174 END_EVENT_TABLE()
 175
 176 MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
 177     const wxSize& size, const long style)
 178     : wxFrame(parent, -1, title, pos, size, style)
 179 {
 180     canvas = new MyCanvas(this);
 181 }
 182
 183 MyFrame::~MyFrame()
 184 {
 185     // Empty
 186 }
 187
 188 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 189 {
 190     Close(TRUE);
 191 }
 192
 193 void MyFrame::OnActivate(wxActivateEvent& event)
 194 {
 195     if (event.GetActive() && canvas)
 196         canvas->SetFocus();
 197 }