From 7f02898264d6077738f0e8032f027eb7e252c90e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Camilla=20L=C3=B6wy?= <elmindreda@glfw.org>
Date: Thu, 29 Aug 2019 22:08:29 +0200
Subject: [PATCH] Cocoa: Fix glfwSetWindowSize anchor point

This makes glfwSetWindowSize use the top-left corner as anchor point
instead of the bottom-left corner.

Fixes #1553.
---
 README.md          | 2 ++
 src/cocoa_window.m | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 812b9c0b..0fb35bd4 100644
--- a/README.md
+++ b/README.md
@@ -128,6 +128,7 @@ information on what to include when reporting a bug.
    event (#1490)
  - [Win32] Bugfix: The window hint `GLFW_MAXIMIZED` did not move or resize the
    window (#1499)
+ - [Cocoa] Bugfix: `glfwSetWindowSize` used a bottom-left anchor point (#1553)
  - [X11] Bugfix: The CMake files did not check for the XInput headers (#1480)
  - [X11] Bugfix: Key names were not updated when the keyboard layout changed
    (#1462,#1528)
@@ -228,6 +229,7 @@ skills.
  - Peter Knut
  - Christoph Kubisch
  - Yuri Kunde Schlesner
+ - Rokas Kupstys
  - Konstantin Käfer
  - Eric Larson
  - Robin Leffmann
diff --git a/src/cocoa_window.m b/src/cocoa_window.m
index 49635c95..dd8879b5 100644
--- a/src/cocoa_window.m
+++ b/src/cocoa_window.m
@@ -1032,7 +1032,14 @@ void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
             acquireMonitor(window);
     }
     else
-        [window->ns.object setContentSize:NSMakeSize(width, height)];
+    {
+        NSRect contentRect =
+            [window->ns.object contentRectForFrameRect:[window->ns.object frame]];
+        contentRect.origin.y += contentRect.size.height - height;
+        contentRect.size = NSMakeSize(width, height);
+        [window->ns.object setFrame:[window->ns.object frameRectForContentRect:contentRect]
+                            display:YES];
+    }
 
     } // autoreleasepool
 }