func flushFunc(ctxt draw.Context) func(r draw.Rectangle) {
if fctxt, ok := ctxt.(RectFlusherContext); ok {
return func(r draw.Rectangle) {
fctxt.FlushImageRect(r)
}
}
return func(_ draw.Rectangle) {
ctxt.FlushImage()
}
}
func app(inContext draw.Context)
{
vl_screen := inContext.Screen();
screenr := draw.Rect(0, 0, vl_screen.Width(), vl_screen.Height());
draw.Draw(vl_screen, screenr, draw.White, nil, draw.ZP);
squareSize := 30;
var cell *SMazeCell = new(SMazeCell);
cell.draw(inContext, squareSize);
inContext.FlushImage();
fmt.Printf("Press the any key to exit.\n");
for
{
select
{
case r := <- inContext.KeyboardChan():
switch r
{
case 'q', 'Q', 0x04, 0x7F, 32 :
fmt.Printf("Exiting because of keyboard event %d\n", r);
os.Exit(0);
default :
fmt.Printf("Exiting because of keyboard event %d\n", r);
}
case <- inContext.MouseChan():
// No-op.
case <- inContext.ResizeChan():
// No-op.
case <- inContext.QuitChan():
fmt.Printf("Exiting because of QuitChan\n");
return;
}
}
}