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Cocoa: Unify NSScreen cached lookup for monitors

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Related to #1322.
This commit is contained in:
Camilla Löwy 2019-02-25 13:53:10 +01:00
parent 68fd4e8bb3
commit a726942bfe
1 changed files with 40 additions and 40 deletions
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70
src/cocoa_monitor.m
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@ -213,6 +213,31 @@ static void endFadeReservation(CGDisplayFadeReservationToken token)
} }
} }
// Finds and caches the NSScreen corresponding to the specified monitor
//
GLFWbool refreshMonitorScreen(_GLFWmonitor* monitor)
{
if (monitor->ns.screen)
return GLFW_TRUE;
for (NSScreen* screen in [NSScreen screens])
{
NSNumber* displayID = [screen deviceDescription][@"NSScreenNumber"];
// HACK: Compare unit numbers instead of display IDs to work around
// display replacement on machines with automatic graphics
// switching
if (monitor->ns.unitNumber == CGDisplayUnitNumber([displayID unsignedIntValue]))
{
monitor->ns.screen = screen;
return GLFW_TRUE;
}
}
_glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to find a screen for monitor");
return GLFW_FALSE;
}
////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////
////// GLFW internal API ////// ////// GLFW internal API //////
@ -373,31 +398,8 @@ void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor, void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
float* xscale, float* yscale) float* xscale, float* yscale)
{ {
if (!monitor->ns.screen) if (!refreshMonitorScreen(monitor))
{
for (NSScreen* screen in [NSScreen screens])
{
NSNumber* displayID =
[screen deviceDescription][@"NSScreenNumber"];
// HACK: Compare unit numbers instead of display IDs to work around
// display replacement on machines with automatic graphics
// switching
if (monitor->ns.unitNumber ==
CGDisplayUnitNumber([displayID unsignedIntValue]))
{
monitor->ns.screen = screen;
break;
}
}
if (!monitor->ns.screen)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to find a screen for monitor");
return; return;
}
}
const NSRect points = [monitor->ns.screen frame]; const NSRect points = [monitor->ns.screen frame];
const NSRect pixels = [monitor->ns.screen convertRectToBacking:points]; const NSRect pixels = [monitor->ns.screen convertRectToBacking:points];
@ -410,21 +412,19 @@ void _glfwPlatformGetMonitorContentScale(_GLFWmonitor* monitor,
void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, int* xpos, int* ypos, int *width, int *height) void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, int* xpos, int* ypos, int *width, int *height)
{ {
NSScreen *resultScreen; if (!refreshMonitorScreen(monitor))
for (NSScreen *screen in [NSScreen screens]) { return;
if ([[[screen deviceDescription] valueForKey:@"NSScreenNumber"] intValue] == monitor->ns.displayID) {
NSRect frameRect = [screen visibleFrame]; const NSRect frameRect = [monitor->ns.screen visibleFrame];
if (xpos) if (xpos)
*xpos = NSMinX(frameRect); *xpos = frameRect.origin.x;
if (ypos) if (ypos)
*ypos = NSMinY(frameRect); *ypos = frameRect.origin.y;
if (width) if (width)
*width = NSWidth(frameRect); *width = frameRect.size.width;
if (height) if (height)
*height = NSHeight(frameRect); *height = frameRect.size.height;
break;
}
}
} }
GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count) GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count)