Display (macOS): detect primary display

src/detection/displayserver/displayserver.c

@@ -10,7 +10,8 @@ bool ffdsAppendDisplay(
     uint32_t scaledHeight,
     uint32_t rotation,
     FFstrbuf* name,
-    FFDisplayType type)
+    FFDisplayType type,
+    bool primary)
 {
     if(width == 0 || height == 0)
         return false;
@@ -24,6 +25,7 @@ bool ffdsAppendDisplay(
     display->rotation = rotation;
     ffStrbufInitMove(&display->name, name);
     display->type = type;
+    display->primary = primary;
 
     return true;
 }

src/detection/displayserver/displayserver.h

@@ -51,6 +51,7 @@ typedef struct FFDisplayResult
     FFstrbuf name;
     FFDisplayType type;
     uint32_t rotation;
+    bool primary;
 } FFDisplayResult;
 
 typedef struct FFDisplayServerResult
@@ -75,6 +76,7 @@ bool ffdsAppendDisplay(
     uint32_t scaledHeight,
     uint32_t rotation,
     FFstrbuf* name,
-    FFDisplayType type);
+    FFDisplayType type,
+    bool primary);
 
 #endif

src/detection/displayserver/displayserver_apple.c

@@ -19,6 +19,8 @@ static void detectDisplays(FFDisplayServerResult* ds)
     if(CGGetOnlineDisplayList(sizeof(screens) / sizeof(screens[0]), screens, &screenCount) != kCGErrorSuccess)
         return;
 
+    CGDirectDisplayID primary = CGMainDisplayID();
+
     for(uint32_t i = 0; i < screenCount; i++)
     {
         CGDirectDisplayID screen = screens[i];
@@ -60,7 +62,8 @@ static void detectDisplays(FFDisplayServerResult* ds)
                 (uint32_t)CGDisplayModeGetHeight(mode),
                 (uint32_t)CGDisplayRotation(screen),
                 &name,
-                CGDisplayIsBuiltin(screen) ? FF_DISPLAY_TYPE_BUILTIN : FF_DISPLAY_TYPE_EXTERNAL
+                CGDisplayIsBuiltin(screen) ? FF_DISPLAY_TYPE_BUILTIN : FF_DISPLAY_TYPE_EXTERNAL,
+                screen == primary
             );
             CGDisplayModeRelease(mode);
         }