glfw/lib/enable.c

311 lines
8.3 KiB
C
Raw Normal View History

2010-09-07 15:34:51 +00:00
//========================================================================
// GLFW - An OpenGL framework
// Platform: Any
2010-09-07 15:41:26 +00:00
// API version: 3.0
2010-09-07 15:34:51 +00:00
// WWW: http://www.glfw.org/
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// 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 enableMouseCursor( 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 disableMouseCursor( 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;
}
//========================================================================
// Enable sticky keys
//========================================================================
static void enableStickyKeys( void )
{
_glfwInput.StickyKeys = 1;
}
//========================================================================
// Disable sticky keys
//========================================================================
static void disableStickyKeys( 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;
}
}
}
//========================================================================
// Enable sticky mouse buttons
//========================================================================
static void enableStickyMouseButtons( void )
{
_glfwInput.StickyMouseButtons = 1;
}
//========================================================================
// Disable sticky mouse buttons
//========================================================================
static void disableStickyMouseButtons( 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;
}
}
}
//========================================================================
// Enable system keys
//========================================================================
static void enableSystemKeys( void )
{
if( !_glfwWin.sysKeysDisabled )
{
return;
}
_glfwPlatformEnableSystemKeys();
// Indicate that system keys are no longer disabled
_glfwWin.sysKeysDisabled = GL_FALSE;
}
//========================================================================
// Disable system keys
//========================================================================
static void disableSystemKeys( void )
{
if( _glfwWin.sysKeysDisabled )
{
return;
}
_glfwPlatformDisableSystemKeys();
// Indicate that system keys are now disabled
_glfwWin.sysKeysDisabled = GL_TRUE;
}
//========================================================================
// Enable key repeat
//========================================================================
static void enableKeyRepeat( void )
{
_glfwInput.KeyRepeat = 1;
}
//========================================================================
// Disable key repeat
//========================================================================
static void disableKeyRepeat( void )
{
_glfwInput.KeyRepeat = 0;
}
//========================================================================
// Enable automatic event polling
//========================================================================
static void enableAutoPollEvents( void )
{
_glfwWin.autoPollEvents = 1;
}
//========================================================================
// Disable automatic event polling
//========================================================================
static void disableAutoPollEvents( void )
{
_glfwWin.autoPollEvents = 0;
}
//************************************************************************
//**** GLFW user functions ****
//************************************************************************
//========================================================================
// Enable certain GLFW/window/system functions.
//========================================================================
GLFWAPI void glfwEnable( int token )
{
// Is GLFW initialized?
if( !_glfwInitialized )
{
return;
}
switch( token )
{
case GLFW_MOUSE_CURSOR:
enableMouseCursor();
break;
case GLFW_STICKY_KEYS:
enableStickyKeys();
break;
case GLFW_STICKY_MOUSE_BUTTONS:
enableStickyMouseButtons();
break;
case GLFW_SYSTEM_KEYS:
enableSystemKeys();
break;
case GLFW_KEY_REPEAT:
enableKeyRepeat();
break;
case GLFW_AUTO_POLL_EVENTS:
enableAutoPollEvents();
break;
default:
break;
}
}
//========================================================================
// Disable certain GLFW/window/system functions.
//========================================================================
GLFWAPI void glfwDisable( int token )
{
// Is GLFW initialized?
if( !_glfwInitialized )
{
return;
}
switch( token )
{
case GLFW_MOUSE_CURSOR:
disableMouseCursor();
break;
case GLFW_STICKY_KEYS:
disableStickyKeys();
break;
case GLFW_STICKY_MOUSE_BUTTONS:
disableStickyMouseButtons();
break;
case GLFW_SYSTEM_KEYS:
disableSystemKeys();
break;
case GLFW_KEY_REPEAT:
disableKeyRepeat();
break;
case GLFW_AUTO_POLL_EVENTS:
disableAutoPollEvents();
break;
default:
break;
}
}