Merge from emacs-24; up to 2012-12-10T20:27:33Z!eggert@cs.ucla.edu

4 files changed, 36 insertions, 22 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 526d3db3dbf..9096b904171 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,16 @@
+2013-01-13  Jan Djärv  <jan.h.d@swipnet.se>
+
+        * nsfont.m (LCD_SMOOTHING_MARGIN): New define.
+        (nsfont_draw): Remove disabling of LCD smoothing.
+        (ns_glyph_metrics): Add LCD_SMOOTHING_MARGIN to bearings to fix
+        Bug#11484 with LCD smoothing on.
+
+2013-01-13  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Fix SIGDANGER handlers, for AIX (Bug#13408).
+        * sysdep.c.c (handle_danger_signal, deliver_danger_signal) [SIGDANGER]:
+        Move handlers here from emacs.c; they were out of place.
+
 2013-01-11  Jan Djärv  <jan.h.d@swipnet.se>
 
         * xterm.c (syms_of_xterm): Adjust documentation for
diff --git a/src/emacs.c b/src/emacs.c
index e3409a431d6..91a7ce6390d 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -344,25 +344,6 @@ terminate_due_to_signal (int sig, int backtrace_limit)
   /* This shouldn't be executed, but it prevents a warning.  */
   exit (1);
 }
-
-#ifdef SIGDANGER
-
-/* Handler for SIGDANGER.  */
-static void
-handle_danger_signal (int sig)
-{
-  malloc_warning ("Operating system warns that virtual memory is running low.\n");
-
-  /* It might be unsafe to call do_auto_save now.  */
-  force_auto_save_soon ();
-}
-
-static void
-deliver_danger_signal (int sig)
-{
-  deliver_process_signal (sig, handle_danger_signal);
-}
-#endif
 
 /* Code for dealing with Lisp access to the Unix command line.  */
 
diff --git a/src/nsfont.m b/src/nsfont.m
index 39f9e2ef3bc..5039f0c9013 100644
--- a/src/nsfont.m
+++ b/src/nsfont.m
@@ -44,6 +44,7 @@ Author: Adrian Robert (arobert@cogsci.ucsd.edu)
 #endif
 
 #define NSFONT_TRACE 0
+#define LCD_SMOOTHING_MARGIN 2
 
 extern Lisp_Object Qns;
 extern Lisp_Object Qnormal, Qbold, Qitalic;
@@ -1247,7 +1248,6 @@ nsfont_draw (struct glyph_string *s, int from, int to, int x, int y,
     else
       CGContextSetShouldAntialias (gcontext, 1);
 
-    CGContextSetShouldSmoothFonts (gcontext, NO);
     CGContextSetTextMatrix (gcontext, fliptf);
 
     if (bgCol != nil)
@@ -1414,11 +1414,12 @@ ns_glyph_metrics (struct nsfont_info *font_info, unsigned char block)
 
       lb = r.origin.x;
       rb = r.size.width - w;
+      // Add to bearing for LCD smoothing.  We don't know if it is there.
       if (lb < 0)
-        metrics->lbearing = round (lb);
+        metrics->lbearing = round (lb - LCD_SMOOTHING_MARGIN);
       if (font_info->ital)
         rb += 0.22 * font_info->height;
-      metrics->rbearing = lrint (w + rb);
+      metrics->rbearing = lrint (w + rb + LCD_SMOOTHING_MARGIN);
 
       metrics->descent = r.origin.y < 0 ? -r.origin.y : 0;
  /*lrint (hshrink * [sfont ascender] + expand * hd/2); */
diff --git a/src/sysdep.c b/src/sysdep.c
index 158d2f73eec..0e9a6826005 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -1678,6 +1678,25 @@ deliver_arith_signal (int sig)
   deliver_thread_signal (sig, handle_arith_signal);
 }
 
+#ifdef SIGDANGER
+
+/* Handler for SIGDANGER.  */
+static void
+handle_danger_signal (int sig)
+{
+  malloc_warning ("Operating system warns that virtual memory is running low.\n");
+
+  /* It might be unsafe to call do_auto_save now.  */
+  force_auto_save_soon ();
+}
+
+static void
+deliver_danger_signal (int sig)
+{
+  deliver_process_signal (sig, handle_danger_signal);
+}
+#endif
+
 /* Treat SIG as a terminating signal, unless it is already ignored and
    we are in --batch mode.  Among other things, this makes nohup work.  */
 static void