[Emacs-diffs] /srv/bzr/emacs/trunk r101992: * src/frame.c (Fframe_pointer_visible_p):

[Stefan Monnier]

------------------------------------------------------------
revno: 101992
author: Julien Danjou <address@hidden>
committer: Stefan Monnier <address@hidden>
branch nick: trunk
timestamp: Mon 2010-10-18 17:07:31 -0400
message:
  * src/frame.c (Fframe_pointer_visible_p):
  Add `frame-pointer-visible-p' to get the pointer visibility.
modified:
  doc/lispref/frames.texi
  src/ChangeLog
  src/frame.c

=== modified file 'doc/lispref/frames.texi'
--- a/doc/lispref/frames.texi   2010-09-06 16:38:03 +0000
+++ b/doc/lispref/frames.texi   2010-10-18 21:07:31 +0000
@@ -1748,6 +1748,15 @@
 value is not significant.
 @end defun
 
address@hidden frame-pointer-visible-p &optional frame
+This predicate function returns address@hidden if the mouse pointer
+displayed on @var{frame} is visible; otherwise it returns @code{nil}.
address@hidden omitted or @code{nil} means the selected frame.  This is
+useful when @code{make-pointer-invisible} is set to @code{t}: it
+allows to know if the pointer has been hidden.
address@hidden Avoidance,,,emacs}.
address@hidden defun
+
 @need 3000
 
 @node Pop-Up Menus

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2010-10-18 20:32:54 +0000
+++ b/src/ChangeLog     2010-10-18 21:07:31 +0000
@@ -1,3 +1,8 @@
+2010-10-18  Julien Danjou  <address@hidden>
+
+       * frame.c (Fframe_pointer_visible_p):
+       Add `frame-pointer-visible-p' to get the pointer visibility.
+
 2010-10-18  Lars Magne Ingebrigtsen  <address@hidden>
 
        * gnutls.c (emacs_gnutls_read): Return 0 if we get a

=== modified file 'src/frame.c'
--- a/src/frame.c       2010-09-17 14:37:14 +0000
+++ b/src/frame.c       2010-10-18 21:07:31 +0000
@@ -4314,6 +4314,20 @@
     }
 }
 
+DEFUN ("frame-pointer-visible-p", Fframe_pointer_visible_p,
+       Sframe_pointer_visible_p, 0, 1, 0,
+       doc: /* Return t if the mouse pointer displayed on FRAME is visible.
+Otherwise it returns nil.  FRAME omitted or nil means the
+selected frame.  This is useful when `make-pointer-invisible' is set.  */)
+  (Lisp_Object frame)
+{
+  if (NILP (frame))
+    frame = selected_frame;
+
+  CHECK_FRAME (frame);
+
+  return (XFRAME (frame)->pointer_invisible ? Qnil : Qt);
+}
 
 
 /***********************************************************************
@@ -4623,6 +4637,7 @@
   defsubr (&Sset_frame_width);
   defsubr (&Sset_frame_size);
   defsubr (&Sset_frame_position);
+  defsubr (&Sframe_pointer_visible_p);
 
 #ifdef HAVE_WINDOW_SYSTEM
   defsubr (&Sx_get_resource);