1 files changed, 295 insertions, 0 deletions
diff --git a/src/engine/external/glfw/lib/enable.c b/src/engine/external/glfw/lib/enable.c
new file mode 100644
index 00000000..6231a1f9
--- /dev/null
+++ b/src/engine/external/glfw/lib/enable.c
@@ -0,0 +1,295 @@
+//========================================================================
+// GLFW - An OpenGL framework
+// File:        enable.c
+// Platform:    Any
+// API version: 2.6
+// WWW:         http://glfw.sourceforge.net
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Camilla Berglund
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+//************************************************************************
+//****                  GLFW internal functions                       ****
+//************************************************************************
+
+//========================================================================
+// Enable (show) mouse cursor
+//========================================================================
+
+static void _glfwEnableMouseCursor( void )
+{
+    int CenterPosX, CenterPosY;
+
+    if( !_glfwWin.Opened || !_glfwWin.MouseLock )
+    {
+        return;
+    }
+
+    // Show mouse cursor
+    _glfwPlatformShowMouseCursor();
+
+    CenterPosX = _glfwWin.Width / 2;
+    CenterPosY = _glfwWin.Height / 2;
+
+    if( CenterPosX != _glfwInput.MousePosX || CenterPosY != _glfwInput.MousePosY )
+    {
+	_glfwPlatformSetMouseCursorPos( CenterPosX, CenterPosY );
+
+	_glfwInput.MousePosX = CenterPosX;
+	_glfwInput.MousePosY = CenterPosY;
+
+	if( _glfwWin.MousePosCallback )
+	{
+	    _glfwWin.MousePosCallback( _glfwInput.MousePosX, 
+				       _glfwInput.MousePosY );
+	}
+    }
+
+    // From now on the mouse is unlocked
+    _glfwWin.MouseLock = GL_FALSE;
+}
+
+//========================================================================
+// Disable (hide) mouse cursor
+//========================================================================
+
+static void _glfwDisableMouseCursor( void )
+{
+    if( !_glfwWin.Opened || _glfwWin.MouseLock )
+    {
+        return;
+    }
+
+    // Hide mouse cursor
+    _glfwPlatformHideMouseCursor();
+
+    // Move cursor to the middle of the window
+    _glfwPlatformSetMouseCursorPos( _glfwWin.Width>>1,
+                                    _glfwWin.Height>>1 );
+
+    // From now on the mouse is locked
+    _glfwWin.MouseLock = GL_TRUE;
+}
+
+
+//========================================================================
+// _glfwEnableStickyKeys() - Enable sticky keys
+// _glfwDisableStickyKeys() - Disable sticky keys
+//========================================================================
+
+static void _glfwEnableStickyKeys( void )
+{
+    _glfwInput.StickyKeys = 1;
+}
+
+static void _glfwDisableStickyKeys( void )
+{
+    int i;
+
+    _glfwInput.StickyKeys = 0;
+
+    // Release all sticky keys
+    for( i = 0; i <= GLFW_KEY_LAST; i ++ )
+    {
+        if( _glfwInput.Key[ i ] == 2 )
+        {
+            _glfwInput.Key[ i ] = 0;
+        }
+    }
+}
+
+
+//========================================================================
+// _glfwEnableStickyMouseButtons() - Enable sticky mouse buttons
+// _glfwDisableStickyMouseButtons() - Disable sticky mouse buttons
+//========================================================================
+
+static void _glfwEnableStickyMouseButtons( void )
+{
+    _glfwInput.StickyMouseButtons = 1;
+}
+
+static void _glfwDisableStickyMouseButtons( void )
+{
+    int i;
+
+    _glfwInput.StickyMouseButtons = 0;
+
+    // Release all sticky mouse buttons
+    for( i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i ++ )
+    {
+        if( _glfwInput.MouseButton[ i ] == 2 )
+        {
+            _glfwInput.MouseButton[ i ] = 0;
+        }
+    }
+}
+
+
+//========================================================================
+// _glfwEnableSystemKeys() - Enable system keys
+// _glfwDisableSystemKeys() - Disable system keys
+//========================================================================
+
+static void _glfwEnableSystemKeys( void )
+{
+    if( !_glfwWin.SysKeysDisabled )
+    {
+        return;
+    }
+
+    _glfwPlatformEnableSystemKeys();
+
+    // Indicate that system keys are no longer disabled
+    _glfwWin.SysKeysDisabled = GL_FALSE;
+}
+
+static void _glfwDisableSystemKeys( void )
+{
+    if( _glfwWin.SysKeysDisabled )
+    {
+        return;
+    }
+
+    _glfwPlatformDisableSystemKeys();
+
+    // Indicate that system keys are now disabled
+    _glfwWin.SysKeysDisabled = GL_TRUE;
+}
+
+
+//========================================================================
+// _glfwEnableKeyRepeat() - Enable key repeat
+// _glfwDisableKeyRepeat() - Disable key repeat
+//========================================================================
+
+static void _glfwEnableKeyRepeat( void )
+{
+    _glfwInput.KeyRepeat = 1;
+}
+
+static void _glfwDisableKeyRepeat( void )
+{
+    _glfwInput.KeyRepeat = 0;
+}
+
+
+//========================================================================
+// _glfwEnableAutoPollEvents() - Enable automatic event polling
+// _glfwDisableAutoPollEvents() - Disable automatic event polling
+//========================================================================
+
+static void _glfwEnableAutoPollEvents( void )
+{
+    _glfwWin.AutoPollEvents = 1;
+}
+
+static void _glfwDisableAutoPollEvents( void )
+{
+    _glfwWin.AutoPollEvents = 0;
+}
+
+
+
+//************************************************************************
+//****                    GLFW user functions                         ****
+//************************************************************************
+
+//========================================================================
+// glfwEnable() - Enable certain GLFW/window/system functions.
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwEnable( int token )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized )
+    {
+        return;
+    }
+
+    switch( token )
+    {
+    case GLFW_MOUSE_CURSOR:
+        _glfwEnableMouseCursor();
+        break;
+    case GLFW_STICKY_KEYS:
+        _glfwEnableStickyKeys();
+        break;
+    case GLFW_STICKY_MOUSE_BUTTONS:
+        _glfwEnableStickyMouseButtons();
+        break;
+    case GLFW_SYSTEM_KEYS:
+        _glfwEnableSystemKeys();
+        break;
+    case GLFW_KEY_REPEAT:
+        _glfwEnableKeyRepeat();
+        break;
+    case GLFW_AUTO_POLL_EVENTS:
+        _glfwEnableAutoPollEvents();
+        break;
+    default:
+        break;
+    }
+}
+
+
+//========================================================================
+// glfwDisable() - Disable certain GLFW/window/system functions.
+//========================================================================
+
+GLFWAPI void GLFWAPIENTRY glfwDisable( int token )
+{
+    // Is GLFW initialized?
+    if( !_glfwInitialized )
+    {
+        return;
+    }
+
+    switch( token )
+    {
+    case GLFW_MOUSE_CURSOR:
+        _glfwDisableMouseCursor();
+        break;
+    case GLFW_STICKY_KEYS:
+        _glfwDisableStickyKeys();
+        break;
+    case GLFW_STICKY_MOUSE_BUTTONS:
+        _glfwDisableStickyMouseButtons();
+        break;
+    case GLFW_SYSTEM_KEYS:
+        _glfwDisableSystemKeys();
+        break;
+    case GLFW_KEY_REPEAT:
+        _glfwDisableKeyRepeat();
+        break;
+    case GLFW_AUTO_POLL_EVENTS:
+        _glfwDisableAutoPollEvents();
+        break;
+    default:
+        break;
+    }
+}
+