freeglut_assert_ready;
/*
- * Check what is the caller querying for. In chronological code add order.
+ * XXX In chronological code add order. (WHY in that order?)
*/
switch( eWhat )
{
break;
default:
- /*
- * Just have it reported, so that we can see what needs to be implemented
- */
fgWarning( "glutSetOption(): missing enum handle %i\n", eWhat );
break;
}
*/
int FGAPIENTRY glutGet( GLenum eWhat )
{
- int returnValue ;
- GLboolean boolValue ;
+ int returnValue ;
+ GLboolean boolValue ;
- if ( eWhat == GLUT_INIT_STATE )
- return ( fgState.Time.Set ) ;
+ if ( eWhat == GLUT_INIT_STATE )
+ return ( fgState.Time.Set ) ;
freeglut_assert_ready;
/*
- * Check what is the caller querying for. In chronological code add order.
+ * XXX In chronological code add order. (WHY in that order?)
*/
switch( eWhat )
{
case GLUT_ELAPSED_TIME:
- /*
- * This is easy and nicely portable, as we are using GLib...
- */
return( fgElapsedTime() );
/*
case GLUT_INIT_DISPLAY_MODE: return( fgState.DisplayMode );
/*
- * The window/context specific queries are handled mostly by fghGetConfig().
+ * The window/context specific queries are handled mostly by
+ * fghGetConfig().
*/
case GLUT_WINDOW_NUM_SAMPLES:
/*
- * Multisampling. Return what I know about multisampling.
+ * XXX Multisampling. Return what I know about multisampling.
*/
return( 0 );
#if TARGET_HOST_UNIX_X11
/*
- * The rest of GLX queries under X are general enough to use a macro to check them
+ * The rest of GLX queries under X are general enough to use a macro to
+ * check them
*/
# define GLX_QUERY(a,b) case a: return( fghGetConfig( b ) );
* Colormap size is handled in a bit different way than all the rest
*/
case GLUT_WINDOW_COLORMAP_SIZE:
- /*
- * Check for the visual type
- */
if( (fghGetConfig( GLX_RGBA )) || (fgStructure.Window == NULL) )
{
/*
*/
return( 0 );
}
-
- /*
- * Otherwise return the number of entries in the colormap
- */
return( fgStructure.Window->Window.VisualInfo->visual->map_entries );
/*
- * Those calls are somewhat similiar, as they use XGetWindowAttributes() function
+ * Those calls are somewhat similiar, as they use XGetWindowAttributes()
+ * function
*/
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
}
if ( w == 0 )
- return( 0 ); /* Just in case */
-
+ return( 0 );
XTranslateCoordinates(
fgDisplay.Display,
fgStructure.Window->Window.Handle,
{
XWindowAttributes winAttributes;
- /*
- * Return zero if there is no current window set
- */
if( fgStructure.Window == NULL )
return( 0 );
-
- /*
- * Grab the current window's attributes now
- */
XGetWindowAttributes(
fgDisplay.Display,
fgStructure.Window->Window.Handle,
&winAttributes
);
-
- /*
- * See which window attribute to return
- */
switch ( eWhat )
{
case GLUT_WINDOW_WIDTH: return winAttributes.width ;
* I do not know yet if there will be a fgChooseVisual() function for Win32
*/
case GLUT_DISPLAY_MODE_POSSIBLE:
- /*
- * Check if the current display mode is possible
- */
return( fgChooseVisual() == NULL ? 0 : 1 );
/*
* This is system-dependant
*/
case GLUT_WINDOW_FORMAT_ID:
- /*
- * Return the visual ID, if there is a current window naturally:
- */
if( fgStructure.Window == NULL )
return( 0 );
returnValue = 0 ; /* ????? */
return ( returnValue ) ;
- /*
- * Window position and size
- */
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_FORMAT_ID:
if( fgStructure.Window != NULL )
return( GetPixelFormat( fgStructure.Window->Window.Device ) );
-
- /*
- * If the current window does not exist, fail:
- */
return( 0 );
#endif
* The window structure queries
*/
case GLUT_WINDOW_PARENT:
- /*
- * Return the ID number of current window's parent, if any
- */
if( fgStructure.Window == NULL ) return( 0 );
if( fgStructure.Window->Parent == NULL ) return( 0 );
-
return( fgStructure.Window->Parent->ID );
case GLUT_WINDOW_NUM_CHILDREN:
- /*
- * Return the number of children attached to the current window
- */
if( fgStructure.Window == NULL )
return( 0 );
-
return( fgListLength( &fgStructure.Window->Children ) );
case GLUT_WINDOW_CURSOR:
- /*
- * Return the currently selected window cursor
- */
if( fgStructure.Window == NULL )
return( 0 );
-
return( fgStructure.Window->State.Cursor );
case GLUT_MENU_NUM_ITEMS:
- /*
- * Return the number of menu entries in the current menu
- */
if( fgStructure.Menu == NULL )
return( 0 );
-
return( fgListLength( &fgStructure.Menu->Entries ) );
case GLUT_ACTION_ON_WINDOW_CLOSE:
return ( fgState.UseCurrentContext ? GLUT_USE_CURRENT_CONTEXT : GLUT_CREATE_NEW_CONTEXT ) ;
default:
- /*
- * Just have it reported, so that we can see what needs to be implemented
- */
fgWarning( "glutGet(): missing enum handle %i\n", eWhat );
break;
}
-
- /*
- * If nothing happens, then we are in deep trouble...
- */
return( -1 );
}
freeglut_assert_ready;
/*
- * See why are we bothered...
- *
- * WARNING: we are mostly lying in this function.
+ * XXX WARNING: we are mostly lying in this function.
*/
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* We always have a keyboard present on PC machines...
+ *
+ * XXX I think that some of my PCs will boot without a keyboard.
+ * XXX Also, who says that we are running on a PC? UNIX/X11
+ * XXX is much more generic, and X11 can go over a network.
+ * XXX Though in actuality, we can probably assume BOTH a
+ * XXX mouse and keyboard for most/all of our users.
*/
return( TRUE );
#if TARGET_HOST_UNIX_X11
case GLUT_HAS_MOUSE:
- /*
- * Hey, my Atari 65XE hasn't had a mouse!
- */
return( TRUE );
case GLUT_NUM_MOUSE_BUTTONS:
/*
* Return the number of mouse buttons available. This is a big guess.
+ *
+ * XXX We can probe /var/run/dmesg.boot which is world-readable.
+ * XXX This would be somewhat system-dependant, but is doable.
+ * XXX E.g., on NetBSD, my USB mouse registers:
+ * XXX ums0 at uhidev0: 3 buttons and Z dir.
+ * XXX We can also probe /var/log/XFree86\..*\.log to get
+ * XXX lines such as:
+ * XXX (**) Option "Buttons" "5"
+ * XXX (**) Option "ZAxisMapping" "4 5"
+ * XXX (**) Mouse0: ZAxisMapping: buttons 4 and 5
+ * XXX (**) Mouse0: Buttons: 5
+ * XXX ...which tells us even more, and is a bit less
+ * XXX system-dependant. (Other than MS-WINDOWS, all
+ * XXX target hosts with actual users are probably running
+ * XXX XFree86...) It is at least worth taking a look at
+ * XXX this file.
*/
return( 3 );
case GLUT_JOYSTICK_BUTTONS:
case GLUT_JOYSTICK_AXES:
/*
- * WARNING: THIS IS A BIG LIE!
+ * XXX WARNING: THIS IS A BIG LIE!
*/
return( 0 );
case GLUT_HAS_SPACEBALL:
case GLUT_HAS_DIAL_AND_BUTTON_BOX:
case GLUT_HAS_TABLET:
- /*
- * Sounds cool. And unuseful.
- */
return( FALSE );
case GLUT_NUM_SPACEBALL_BUTTONS:
case GLUT_NUM_BUTTON_BOX_BUTTONS:
case GLUT_NUM_DIALS:
case GLUT_NUM_TABLET_BUTTONS:
- /*
- * Zero is not the answer. Zero is the question. Continuum is the answer.
- */
return( 0 );
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
- /*
- * Return what we think about the key auto repeat settings
- */
return( fgState.IgnoreKeyRepeat );
case GLUT_DEVICE_KEY_REPEAT:
/*
- * WARNING: THIS IS A BIG LIE!
+ * XXX WARNING: THIS IS A BIG LIE!
*/
return( GLUT_KEY_REPEAT_DEFAULT );
default:
- /*
- * Complain.
- */
fgWarning( "glutDeviceGet(): missing enum handle %i\n", eWhat );
break;
}
*/
int FGAPIENTRY glutGetModifiers( void )
{
- /*
- * Fail if there is no current window or called outside an input callback
- */
if( fgStructure.Window == NULL )
return( 0 );
return( 0 );
}
- /*
- * Return the current modifiers state otherwise
- */
return( fgStructure.Window->State.Modifiers );
}
/*
* This is easy as layers are not implemented ;-)
+ *
+ * XXX Can we merge the UNIX/X11 and WIN32 sections? Or
+ * XXX is overlay support planned?
*/
switch( eWhat )
{
#if TARGET_HOST_UNIX_X11
case GLUT_OVERLAY_POSSIBLE:
- /*
- * Nope, overlays are not possible.
- */
return( FALSE );
case GLUT_LAYER_IN_USE:
- /*
- * The normal plane is always in use
- */
return( GLUT_NORMAL );
case GLUT_HAS_OVERLAY:
- /*
- * No window is allowed to have an overlay
- */
return( FALSE );
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
+ *
+ * XXX HUH?
*/
return( 0 );
case GLUT_NORMAL_DAMAGED:
/*
- * Actually I do not know. Maybe.
+ * XXX Actually I do not know. Maybe.
*/
return( FALSE );
case GLUT_OVERLAY_DAMAGED:
- /*
- * Return minus one to mark that no layer is in use
- */
return( -1 );
#elif TARGET_HOST_WIN32
case GLUT_OVERLAY_POSSIBLE:
- /*
- * Check if an overlay display mode is possible
- */
/* return( fgSetupPixelFormat( fgStructure.Window, TRUE, PFD_OVERLAY_PLANE ) ); */
return FALSE ;
case GLUT_LAYER_IN_USE:
- /*
- * The normal plane is always in use
- */
return( GLUT_NORMAL );
case GLUT_HAS_OVERLAY:
- /*
- * No window is allowed to have an overlay
- */
return( FALSE );
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
+ *
+ * XXX HUH?
*/
return( 0 );
case GLUT_NORMAL_DAMAGED:
/*
- * Actually I do not know. Maybe.
+ * XXX Actually I do not know. Maybe.
*/
return( FALSE );
case GLUT_OVERLAY_DAMAGED:
- /*
- * Return minus one to mark that no layer is in use
- */
return( -1 );
#endif
default:
- /*
- * Complain to the user about the obvious bug
- */
fgWarning( "glutLayerGet(): missing enum handle %i\n", eWhat );
break;
}
projects / freeglut / commitdiff