uint32 CGGetDisplayCount_wrap(float x, float y, float w, float h, void* FH) {
CGDisplayCount count;
CGDisplayErr e =
w == 0.0 && h == 0.0
? CGGetDisplaysWithPoint( CGPointMake(x, y), 0, NULL, &count)
: CGGetDisplaysWithRect( CGRectMake(x, y, w, h), 0, NULL, &count);
return e != CGDisplayNoErr
? (uint32)reportOSError(e, "CGGetDisplayCount", FH)
: count;
}
CGDirectDisplayID CGGetDisplayAt_wrap(uint32 n, float x, float y, float w, float h, void* FH) {
uint32 count;
ResourceMark rm;
CGDirectDisplayID *displays = NEW_RESOURCE_ARRAY(CGDirectDisplayID, n + 1);
CGDisplayErr e =
w == 0.0 && h == 0.0
? CGGetDisplaysWithPoint( CGPointMake(x, y), n + 1, displays, &count)
: CGGetDisplaysWithRect( CGRectMake(x, y, w, h), n + 1, displays, &count);
return e != CGDisplayNoErr ? (CGDirectDisplayID)reportOSError(e, "CGGetDisplayAt", FH)
: count < n + 1 ? (CGDirectDisplayID)(failure(FH, "not enough displays"), NULL)
: displays[n];
}
static CGDirectDisplayID screen(void* w) {
HIRect bounds;
OSStatus err = HIWindowGetBounds((WindowRef)w, kWindowGlobalPortRgn,
kHICoordSpace72DPIGlobal, &bounds);
if (err) {
lprintf("HIWindowGetBounds failed: %d\n", err);
return CGMainDisplayID();
}
CGDirectDisplayID display;
CGDisplayCount displayCount;
CGDisplayErr e = CGGetDisplaysWithRect(bounds, 1,
&display, &displayCount);
return (displayCount && !e) ? display : CGMainDisplayID();
}