From a819fe0b817e953156789cb433cb760b7ee2bd0b Mon Sep 17 00:00:00 2001
From: Jonathan Schleifer <js@webkeks.org>
Date: Sun, 26 Aug 2012 16:21:16 +0200
Subject: [PATCH] Add OGK_DISPLAY_POSITION_DEFAULT.

---
 src/OGKDisplay.h | 5 +++++
 src/OGKDisplay.m | 8 +++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/OGKDisplay.h b/src/OGKDisplay.h
index bd76ddb..04547eb 100644
--- a/src/OGKDisplay.h
+++ b/src/OGKDisplay.h
@@ -18,10 +18,15 @@
  *   3.) This notice may not be removed or altered from any source distribution.
  */
 
+/* For NAN */
+#include <math.h>
+
 #include <allegro5/allegro.h>
 
 #import <ObjFW/ObjFW.h>
 
+#define OGK_DISPLAY_POSITION_DEFAULT of_point(NAN, NAN)
+
 typedef enum ogk_display_flags_t {
 	OGK_DISPLAY_FLAGS_FULLSCREEN	= 0x01,
 	OGK_DISPLAY_FLAGS_RESIZABLE	= 0x02,
diff --git a/src/OGKDisplay.m b/src/OGKDisplay.m
index 645cb46..0534807 100644
--- a/src/OGKDisplay.m
+++ b/src/OGKDisplay.m
@@ -65,7 +65,10 @@ static OFDataArray *allegroDisplays = nil;
 
 	self = [super init];
 
-	al_set_new_window_position(position.x, position.y);
+	if (isnan(position.x) || isnan(position.y))
+		al_set_new_window_position(INT_MAX, INT_MAX);
+	else
+		al_set_new_window_position(position.x, position.y);
 
 	if (flags & OGK_DISPLAY_FLAGS_FULLSCREEN)
 		allegroFlags |= ALLEGRO_FULLSCREEN;
@@ -129,6 +132,9 @@ static OFDataArray *allegroDisplays = nil;
 
 	al_get_window_position(display, &x, &y);
 
+	if (x == INT_MAX && y == INT_MAX)
+		return of_point(NAN, NAN);
+
 	return of_point(x, y);
 }