From 6164eb603b49f84840341284f103c3c23d80756b Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Sun, 14 Apr 2013 15:36:10 +0200
Subject: [PATCH] Added tracking of cursor visibility.

---
 src/win32_platform.h |  1 +
 src/win32_window.c   | 23 +++++++++++++++++++----
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/win32_platform.h b/src/win32_platform.h
index 857289e6..0fa37170 100644
--- a/src/win32_platform.h
+++ b/src/win32_platform.h
@@ -154,6 +154,7 @@ typedef struct _GLFWwindowWin32
     // Various platform specific internal variables
     GLboolean           cursorCentered;
     GLboolean           cursorInside;
+    GLboolean           cursorHidden;
     int                 oldCursorX, oldCursorY;
 } _GLFWwindowWin32;
 
diff --git a/src/win32_window.c b/src/win32_window.c
index cfaced67..0379c4d6 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -54,20 +54,30 @@ static void hideCursor(_GLFWwindow* window)
 
     ReleaseCapture();
     ClipCursor(NULL);
-    ShowCursor(TRUE);
+
+    if (window->win32.cursorHidden)
+    {
+        ShowCursor(TRUE);
+        window->win32.cursorHidden = GL_FALSE;
+    }
 
     if (GetCursorPos(&pos))
     {
         if (WindowFromPoint(pos) == window->win32.handle)
             SetCursor(NULL);
-}
+    }
 }
 
 // Capture mouse cursor
 //
 static void captureCursor(_GLFWwindow* window)
 {
-    ShowCursor(FALSE);
+    if (!window->win32.cursorHidden)
+    {
+        ShowCursor(FALSE);
+        window->win32.cursorHidden = GL_TRUE;
+    }
+
     updateClipRect(window);
     SetCapture(window->win32.handle);
 }
@@ -80,7 +90,12 @@ static void showCursor(_GLFWwindow* window)
 
     ReleaseCapture();
     ClipCursor(NULL);
-    ShowCursor(TRUE);
+
+    if (window->win32.cursorHidden)
+    {
+        ShowCursor(TRUE);
+        window->win32.cursorHidden = GL_FALSE;
+    }
 
     if (GetCursorPos(&pos))
     {