(isearch-fallback): Check for `(car previous)'

[bpt/emacs.git] / src / xfaces.c

diff --git a/src/xfaces.c b/src/xfaces.c
index b980467..53c7936 100644 (file)
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -1,5 +1,5 @@
 /* xfaces.c -- "Face" primitives.
-   Copyright (C) 1993, 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1993, 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation.
 
 This file is part of GNU Emacs.
@@ -738,7 +738,7 @@ x_free_gc (f, gc)
      GC gc;
 {
   BLOCK_INPUT;
-  xassert (--ngcs >= 0);
+  IF_DEBUG (xassert (--ngcs >= 0));
   XFreeGC (FRAME_X_DISPLAY (f), gc);
   UNBLOCK_INPUT;
 }
@@ -771,7 +771,7 @@ x_free_gc (f, gc)
      GC gc;
 {
   BLOCK_INPUT;
-  xassert (--ngcs >= 0);
+  IF_DEBUG (xassert (--ngcs >= 0));
   xfree (gc);
   UNBLOCK_INPUT;
 }
@@ -1513,7 +1513,7 @@ face_color_supported_p (f, color_name, background_p)
 
   XSETFRAME (frame, f);
   return
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
     FRAME_WINDOW_P (f)
     ? (!NILP (Fxw_display_color_p (frame))
        || xstricmp (color_name, "black") == 0
@@ -4148,7 +4148,7 @@ FRAME 0 means change the face on all frames, and change the default
                }
              else if (EQ (k, QCcolor))
                {
-                 if (!STRINGP (v) || SCHARS (v) == 0)
+                 if (!NILP (v) && (!STRINGP (v) || SCHARS (v) == 0))
                    break;
                }
              else if (EQ (k, QCstyle))
@@ -4694,12 +4694,19 @@ x_update_menu_appearance (f)
          const char *suffix = "List";
 #else
          const char *suffix = "";
+#endif
+#if defined HAVE_X_I18N && defined USE_MOTIF
+         extern char *xic_create_fontsetname
+           P_ ((char *base_fontname, Bool motif));
+         char *fontsetname = xic_create_fontsetname (face->font_name, True);
+#else
+         char *fontsetname = face->font_name;
 #endif
          sprintf (line, "%s.pane.menubar*font%s: %s",
-                  myname, suffix, face->font_name);
+                  myname, suffix, fontsetname);
          XrmPutLineResource (&rdb, line);
          sprintf (line, "%s.%s*font%s: %s",
-                  myname, popup_path, suffix, face->font_name);
+                  myname, popup_path, suffix, fontsetname);
          XrmPutLineResource (&rdb, line);
          changed_p = 1;
        }
@@ -7687,6 +7694,69 @@ face_at_string_position (w, string, pos, bufpos, region_beg,
 }
 
 
+/* Merge a face into a realized face.
+
+   F is frame where faces are (to be) realized.
+
+   FACE_NAME is named face to merge.
+
+   If FACE_NAME is nil, FACE_ID is face_id of realized face to merge.
+
+   If FACE_NAME is t, FACE_ID is lface_id of face to merge.
+
+   BASE_FACE_ID is realized face to merge into.
+
+   Return new face id.
+*/
+
+int
+merge_faces (f, face_name, face_id, base_face_id)
+     struct frame *f;
+     Lisp_Object face_name;
+     int face_id, base_face_id;
+{
+  Lisp_Object attrs[LFACE_VECTOR_SIZE];
+  struct face *base_face;
+
+  base_face = FACE_FROM_ID (f, base_face_id);
+  if (!base_face)
+    return base_face_id;
+
+  if (EQ (face_name, Qt))
+    {
+      if (face_id < 0 || face_id >= lface_id_to_name_size)
+       return base_face_id;
+      face_name = lface_id_to_name[face_id];
+      face_id = lookup_derived_face (f, face_name, 0, base_face_id);
+      if (face_id >= 0)
+       return face_id;
+      return base_face_id;
+    }
+
+  /* Begin with attributes from the base face.  */
+  bcopy (base_face->lface, attrs, sizeof attrs);
+
+  if (!NILP (face_name))
+    {
+      if (!merge_named_face (f, face_name, attrs, 0))
+       return base_face_id;
+    }
+  else
+    {
+      struct face *face;
+      if (face_id < 0)
+       return base_face_id;
+      face = FACE_FROM_ID (f, face_id);
+      if (!face)
+       return base_face_id;
+      merge_face_vectors (f, face->lface, attrs, 0);
+    }
+
+  /* Look up a realized face with the given face attributes,
+     or realize a new one for ASCII characters.  */
+  return lookup_face (f, attrs, 0, NULL);
+}
+
 \f
 /***********************************************************************
                                Tests
@@ -7702,7 +7772,7 @@ dump_realized_face (face)
 {
   fprintf (stderr, "ID: %d\n", face->id);
 #ifdef HAVE_X_WINDOWS
-  fprintf (stderr, "gc: %d\n", (int) face->gc);
+  fprintf (stderr, "gc: %ld\n", (long) face->gc);
 #endif
   fprintf (stderr, "foreground: 0x%lx (%s)\n",
           face->foreground,