wxWidgets/samples/joytest/joytest.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: joytest.cpp
// Purpose: Joystick sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_JOYSTICK
# error You must set wxUSE_JOYSTICK to 1 in setup.h
#endif
#include "wx/sound.h"
#include "wx/joystick.h"
#include "joytest.h"
MyFrame *frame = NULL;
IMPLEMENT_APP(MyApp)
// For drawing lines in a canvas
long xpos = -1;
long ypos = -1;
int winNumber = 1;
int nButtons = 0;
// Initialise this in OnInit, not statically
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
wxJoystick stick(wxJOYSTICK1);
if (!stick.IsOk())
{
wxMessageBox(wxT("No joystick detected!"));
return false;
}
#if wxUSE_SOUND
m_fire.Create(wxT("buttonpress.wav"));
#endif // wxUSE_SOUND
m_minX = stick.GetXMin();
m_minY = stick.GetYMin();
m_maxX = stick.GetXMax();
m_maxY = stick.GetYMax();
// Create the main frame window
frame = new MyFrame(NULL, wxT("Joystick Demo"), wxDefaultPosition,
wxSize(500, 400), wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
frame->SetIcon(wxICON(sample));
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(JOYTEST_QUIT, wxT("&Exit"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, wxT("&File"));
// Associate the menu bar with the frame
frame->SetMenuBar(menu_bar);
#if wxUSE_STATUSBAR
frame->CreateStatusBar();
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()));
#endif // wxUSE_STATUSBAR
frame->CenterOnScreen();
frame->Show(true);
SetTopWindow(frame);
return true;
}
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
END_EVENT_TABLE()
// Define a constructor for my canvas
MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
wxScrolledWindow(parent, wxID_ANY, pos, size, wxSUNKEN_BORDER)
{
m_stick = new wxJoystick(wxJOYSTICK1);
nButtons = m_stick->GetNumberButtons();
m_stick->SetCapture(this, 10);
}
MyCanvas::~MyCanvas()
{
m_stick->ReleaseCapture();
delete m_stick;
}
void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
{
wxClientDC dc(this);
wxPoint pt(event.GetPosition());
// if negative positions are possible then shift everything up
int xmin = wxGetApp().m_minX;
int xmax = wxGetApp().m_maxX;
int ymin = wxGetApp().m_minY;
int ymax = wxGetApp().m_maxY;
if (xmin < 0) {
xmax += abs(xmin);
pt.x += abs(xmin);
}
if (ymin < 0) {
ymax += abs(ymin);
pt.y += abs(ymin);
}
// Scale to canvas size
int cw, ch;
GetSize(&cw, &ch);
pt.x = (long) (((double)pt.x/(double)xmax) * cw);
pt.y = (long) (((double)pt.y/(double)ymax) * ch);
if (xpos > -1 && ypos > -1 && event.IsMove() && event.ButtonIsDown())
{
dc.SetPen(*wxBLACK_PEN);
dc.DrawLine(xpos, ypos, pt.x, pt.y);
}
xpos = pt.x;
ypos = pt.y;
#if wxUSE_STATUSBAR
wxString buf;
if (event.ButtonDown())
buf.Printf(wxT("Joystick (%d, %d) #%i Fire!"), pt.x, pt.y, event.GetButtonChange());
else
buf.Printf(wxT("Joystick (%d, %d) "), pt.x, pt.y);
/*
for(int i = 0; i < nButtons; ++i)
{
buf += wxString(wxT("[")) +
((event.GetButtonState() & (1 << i)) ? wxT("Y") : wxT("N")) + wxString(wxT("]"));
}
*/
frame->SetStatusText(buf);
#endif // wxUSE_STATUSBAR
#if wxUSE_SOUND
if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
{
wxGetApp().m_fire.Play();
}
#endif // wxUSE_SOUND
}
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(JOYTEST_QUIT, MyFrame::OnQuit)
END_EVENT_TABLE()
MyFrame::MyFrame(wxFrame *parent, const wxString& title, const wxPoint& pos,
const wxSize& size, const long style)
: wxFrame(parent, wxID_ANY, title, pos, size, style)
{
canvas = new MyCanvas(this);
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
void MyFrame::OnActivate(wxActivateEvent& event)
{
if (event.GetActive() && canvas)
canvas->SetFocus();
}