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())
+ // We don't have valid (x, y) coordinates for z-move events.
+ if ( !event.IsZMove() )
{
- dc.SetPen(*wxBLACK_PEN);
- dc.DrawLine(xpos, ypos, pt.x, pt.y);
+ 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;
#if wxUSE_STATUSBAR
wxString buf;
if (event.ButtonDown())
- buf.Printf(wxT("Joystick (%d, %d) #%i Fire!"), pt.x, pt.y, event.GetButtonChange());
+ buf.Printf(wxT("Joystick (%d, %d) #%i Fire!"), xpos, ypos, event.GetButtonChange());
else
- buf.Printf(wxT("Joystick (%d, %d) "), pt.x, pt.y);
+ buf.Printf(wxT("Joystick (%d, %d) "), xpos, ypos);
/*
for(int i = 0; i < nButtons; ++i)