Because we all need to find our center sometimes.

tonyarnold · Apr 22, 2011 · 65931e7 · 65931e7
1 parent ee596ae
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diff --git a/Categories/NSWindow+CenterOnScreen.h b/Categories/NSWindow+CenterOnScreen.h
@@ -0,0 +1,17 @@
+//
+// NSWindow+CenterOnScreen.h
+// Hyperspaces
+//
+// Created by Tony Arnold on 8/01/10.
+// Copyright 2010 The CocoaBots. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface NSWindow (CenterOnScreen)
+
+- (void)centerWindowOnScreen;
+- (void)centerWindowOnScreen:(NSScreen *)screen;
+
+@end
diff --git a/Categories/NSWindow+CenterOnScreen.m b/Categories/NSWindow+CenterOnScreen.m
@@ -0,0 +1,32 @@
+//
+// NSWindow+CenterOnScreen.m
+// Hyperspaces
+//
+// Created by Tony Arnold on 8/01/10.
+// Copyright 2010 The CocoaBots. All rights reserved.
+//
+
+#import "NSWindow+CenterOnScreen.h"
+
+
+@implementation NSWindow (CenterOnScreen)
+
+- (void)centerWindowOnScreen {
+    [self centerWindowOnScreen:[self screen]];
+}
+
+- (void)centerWindowOnScreen:(NSScreen *)screen {
+    if (screen == nil) {
+        screen = [self screen];
+    }
+
+    NSRect windowFrame  = [self frame];
+    NSRect visibleFrame = [screen visibleFrame];
+
+    windowFrame.origin.x = visibleFrame.origin.x + (NSWidth(visibleFrame) - NSWidth(windowFrame)) * 0.5f;
+    windowFrame.origin.y = visibleFrame.origin.y + (NSHeight(visibleFrame) - NSHeight(windowFrame)) * 0.8f;
+
+    [self setFrameOrigin:windowFrame.origin];
+}
+
+@end