/*
* Mark appropriate window to be displayed
*/
void FGAPIENTRY glutPostWindowRedisplay( int windowID )
{
SFG_Window* window;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
window = fgWindowByID( windowID );
freeglut_return_if_fail( window );
window->State.Redisplay = GL_TRUE;
}
/*
* Mark appropriate window to be displayed
*/
void FGAPIENTRY glutPostWindowRedisplay( int windowID )
{
SFG_Window* window;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
window = fgWindowByID( windowID );
freeglut_return_if_fail( window );
window->State.WorkMask |= GLUT_DISPLAY_WORK;
}
/*
* Destroys a window and all of its subwindows
*/
void FGAPIENTRY glutDestroyWindow( int windowID )
{
SFG_Window* window = fgWindowByID( windowID );
freeglut_return_if_fail( window != NULL );
{
fgExecutionState ExecState = fgState.ExecState;
fgAddToWindowDestroyList( window );
fgState.ExecState = ExecState;
}
}
/*
* Destroys a window and all of its subwindows
*/
void FGAPIENTRY glutDestroyWindow( int windowID )
{
SFG_Window* window;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyWindow" );
window = fgWindowByID( windowID );
freeglut_return_if_fail( window != NULL );
{
fgExecutionState ExecState = fgState.ExecState;
fgAddToWindowDestroyList( window );
fgState.ExecState = ExecState;
}
}
/*
* This function creates a sub window.
*/
int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
{
int ret = 0;
SFG_Window* window = NULL;
SFG_Window* parent = NULL;
freeglut_assert_ready;
parent = fgWindowByID( parentID );
freeglut_return_val_if_fail( parent != NULL, 0 );
window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
ret = window->ID;
return ret;
}
/*
* This function selects the current window
*/
void FGAPIENTRY glutSetWindow( int ID )
{
SFG_Window* window = NULL;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindow" );
if( fgStructure.CurrentWindow != NULL )
if( fgStructure.CurrentWindow->ID == ID )
return;
window = fgWindowByID( ID );
if( window == NULL )
{
fgWarning( "glutSetWindow(): window ID %d not found!", ID );
return;
}
fgSetWindow( window );
}
/*
* This function selects the current window
*/
void FGAPIENTRY glutSetWindow( int ID )
{
SFG_Window* window = NULL;
freeglut_assert_ready;
if( fgStructure.Window != NULL )
if( fgStructure.Window->ID == ID )
return;
window = fgWindowByID( ID );
if( window == NULL )
{
fgWarning( "glutSetWindow(): window ID %i not found!", ID );
return;
}
fgSetWindow( window );
}
/*
* This function creates a sub window.
*/
int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
{
int ret = 0;
SFG_Window* window = NULL;
SFG_Window* parent = NULL;
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" );
parent = fgWindowByID( parentID );
freeglut_return_val_if_fail( parent != NULL, 0 );
if ( x < 0 )
{
x = parent->State.Width + x ;
if ( w >= 0 ) x -= w ;
}
if ( w < 0 ) w = parent->State.Width - x + w ;
if ( w < 0 )
{
x += w ;
w = -w ;
}
if ( y < 0 )
{
y = parent->State.Height + y ;
if ( h >= 0 ) y -= h ;
}
if ( h < 0 ) h = parent->State.Height - y + h ;
if ( h < 0 )
{
y += h ;
h = -h ;
}
window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
ret = window->ID;
return ret;
}