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joytest.cpp
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joytest.cpp
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/////////////////////////////////////////////////////////////////////////////
// Name: joytest.cpp
// Purpose: Joystick sample
// Author: Julian Smart
// Created: 04/01/98
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#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 <wx/dcbuffer.h>
#include "joytest.h"
// the application icon (under Windows it is in resources and even
// though we could still include the XPM here it would be unused)
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
MyFrame *frame = nullptr;
wxIMPLEMENT_APP(MyApp);
// Initialise this in OnInit, not statically
bool MyApp::OnInit()
{
if ( !wxApp::OnInit() )
return false;
wxJoystick stick(wxJOYSTICK1);
if (!stick.IsOk())
{
wxMessageBox("No joystick detected!");
return false;
}
#if wxUSE_SOUND
m_fire.Create("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(nullptr, "Joystick Demo");
frame->SetIcon(wxICON(sample));
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(wxID_EXIT, "&Exit");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
// Associate the menu bar with the frame
frame->SetMenuBar(menu_bar);
#if wxUSE_STATUSBAR
frame->CreateStatusBar();
frame->SetStatusText(wxString::Format("Device: %s, PID: %i, MID: %i, # of joysticks: %i",
stick.GetProductName(),
stick.GetProductId(),
stick.GetManufacturerId(),
wxJoystick::GetNumberJoysticks())
);
#endif // wxUSE_STATUSBAR
frame->SetSize(frame->FromDIP(wxSize(500, 400)));
frame->CenterOnScreen();
frame->Show(true);
return true;
}
wxBEGIN_EVENT_TABLE(MyCanvas, wxPanel)
EVT_JOYSTICK_EVENTS(MyCanvas::OnJoystickEvent)
EVT_PAINT(MyCanvas::OnPaint)
EVT_SIZE(MyCanvas::OnSize)
wxEND_EVENT_TABLE()
// Define a constructor for my canvas
MyCanvas::MyCanvas(wxWindow* parent)
: wxPanel(parent, wxID_ANY)
, m_pos(wxDefaultPosition)
, m_point(wxDefaultPosition)
, m_validPoint(false)
{
SetBackgroundStyle(wxBG_STYLE_PAINT);
m_stick = new wxJoystick(wxJOYSTICK1);
m_nButtons = m_stick->GetNumberButtons();
m_stick->SetCapture(this, 10);
}
MyCanvas::~MyCanvas()
{
m_stick->ReleaseCapture();
delete m_stick;
}
void MyCanvas::OnJoystickEvent(wxJoystickEvent& event)
{
// We don't have valid (x, y) coordinates for z-move events.
if ( !event.IsZMove() )
{
m_point = event.GetPosition();
m_validPoint = true;
if (event.IsMove() && event.ButtonIsDown()) {
Refresh();
}
}
#if wxUSE_SOUND
if (event.ButtonDown() && wxGetApp().m_fire.IsOk())
{
wxGetApp().m_fire.Play();
}
#endif // wxUSE_SOUND
#if wxUSE_STATUSBAR
wxString buf;
for (int i = 0; i < m_nButtons; ++i)
buf += wxString::Format("%c", (event.GetButtonState() & (1 << i)) ? 0x26AB : 0x26AA);
buf += wxString::Format(" [%d, %d]", m_pos.x, m_pos.y);
frame->SetStatusText(buf);
#endif // wxUSE_STATUSBAR
}
void MyCanvas::OnPaint(wxPaintEvent& WXUNUSED(evt))
{
wxAutoBufferedPaintDC dc(this);
if (!m_validPoint)
{
dc.Clear();
return;
}
// if negative positions are possible then shift everything up
wxPoint pt(m_point);
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
wxSize cs = ToDIP(GetClientSize());
pt.x = (long)(((double)pt.x / (double)xmax) * (cs.x - 1));
pt.y = (long)(((double)pt.y / (double)ymax) * (cs.y - 1));
if (m_pos == wxDefaultPosition)
m_pos = wxPoint(cs.x / 2, cs.y / 2);
if (m_stick->GetButtonState(0))
dc.SetPen(*wxGREEN_PEN);
else if (m_stick->GetButtonState(1))
dc.SetPen(*wxRED_PEN);
else if (m_stick->GetButtonState(2))
dc.SetPen(*wxBLUE_PEN);
else if (m_stick->GetButtonState(3))
dc.SetPen(*wxYELLOW_PEN);
else
dc.SetPen(*wxCYAN_PEN);
dc.DrawLine(FromDIP(m_pos), FromDIP(pt));
m_pos = pt;
}
void MyCanvas::OnSize(wxSizeEvent& WXUNUSED(evt))
{
m_validPoint = false;
}
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
wxEND_EVENT_TABLE()
MyFrame::MyFrame(wxFrame *parent, const wxString& title)
: wxFrame(parent, wxID_ANY, title)
{
canvas = new MyCanvas(this);
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
void MyFrame::OnActivate(wxActivateEvent& event)
{
if (event.GetActive() && canvas)
canvas->SetFocus();
}