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library should call window status func at all times, translation to

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visibility callback happens if needed. Documented this, and added notes
on visibility/windowstatus func in callbackmaker demo


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1535 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2013-03-01 03:08:05 +00:00
parent 41dd280289
commit f46574e263
3 changed files with 17 additions and 6 deletions
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7
freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c
View File

@ -576,7 +576,6 @@ static void SetWindowCallbacks( int first )
glutPositionFunc( Position );
glutKeyboardFunc( Key );
glutSpecialFunc( Special );
glutVisibilityFunc( Visibility );
glutKeyboardUpFunc( KeyUp );
glutSpecialUpFunc( SpecialUp );
if (first)
@ -588,7 +587,6 @@ static void SetWindowCallbacks( int first )
glutEntryFunc ( Entry ) ;
glutCloseFunc ( Close ) ;
glutOverlayDisplayFunc ( OverlayDisplay ) ;
glutWindowStatusFunc ( WindowStatus ) ;
glutSpaceballMotionFunc ( SpaceMotion ) ;
glutSpaceballRotateFunc ( SpaceRotation ) ;
glutSpaceballButtonFunc ( SpaceButton ) ;
@ -596,6 +594,11 @@ static void SetWindowCallbacks( int first )
glutDialsFunc ( Dials ) ;
glutTabletMotionFunc ( TabletMotion ) ;
glutTabletButtonFunc ( TabletButton ) ;
/* glutVisibilityFunc is deprecated in favor of glutWindowStatusFunc, which provides more detail.
* Setting one of these overwrites the other (see docs).
*/
glutVisibilityFunc ( Visibility ); /* This will thus never be called, as glutWindowStatusFunc is set afterwards */
glutWindowStatusFunc ( WindowStatus ) ;
}
int

7
freeglut/freeglut/src/fg_callbacks.c
View File

@ -165,6 +165,13 @@ void FGAPIENTRY glutDisplayFunc( FGCBDisplay callback )
/*
* Sets the Visibility callback for the current window.
* NB: the Visibility func is deprecated in favor of the WindowStatus func,
* which provides more detail. The visibility func callback is implemented
* as a translation step from the windowStatus func. When the user sets the
* windowStatus func, any visibility func is overwritten.
* DEVELOPER NOTE: in the library, only invoke the window status func, this
* gets automatically translated to the visibility func if thats what the
* user has set.
*/
static void fghVisibility( int status )
{

9
freeglut/freeglut/src/mswin/fg_main_mswin.c
View File

@ -143,11 +143,11 @@ void fgPlatformMainLoopPreliminaryWork ( void )
*/
while( window )
{
if ( FETCH_WCB( *window, Visibility ) )
if ( FETCH_WCB( *window, WindowStatus ) )
{
SFG_Window *current_window = fgStructure.CurrentWindow ;
INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
INVOKE_WCB( *window, WindowStatus, ( window->State.Visible?GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
fgSetWindow( current_window );
}
@ -872,8 +872,9 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
if (!lParam || !fgWindowByHandle((HWND)lParam))
/* Capture released or capture taken by non-FreeGLUT window */
setCaptureActive = 0;
/* User has finished resizing the window, force a redraw */
INVOKE_WCB( *window, Display, ( ) );
/* Docs advise a redraw */
InvalidateRect( hWnd, NULL, GL_FALSE );
UpdateWindow(hWnd);
lRet = 0; /* Per docs, should return zero */
break;