Prevent bar cursor overwriting next glyph (bug#16856)

[gnu-emacs] / src / nsterm.m

diff --git a/src/nsterm.m b/src/nsterm.m
index 4b887ec0b50abf231b32e36f80e668a10ad5a873..8da2ffe5b7fd2c02c1c46b6ca28afde16112c07c 100644 (file)
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -2861,7 +2861,10 @@ ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
     {
       if (cursor_width < 1)
        cursor_width = max (FRAME_CURSOR_WIDTH (f), 1);
-      w->phys_cursor_width = cursor_width;
+
+      /* The bar cursor should never be wider than the glyph. */
+      if (cursor_width < w->phys_cursor_width)
+        w->phys_cursor_width = cursor_width;
     }
   /* If we have an HBAR, "cursor_width" MAY specify height. */
   else if (cursor_type == HBAR_CURSOR)
@@ -2882,7 +2885,7 @@ ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
   ns_clip_to_row (w, glyph_row, TEXT_AREA, NO); /* do ns_focus(f, &r, 1); if remove */
 
 
-  face = FACE_OPT_FROM_ID (f, phys_cursor_glyph->face_id);
+  face = FACE_FROM_ID_OR_NULL (f, phys_cursor_glyph->face_id);
   if (face && NS_FACE_BACKGROUND (face)
       == ns_index_color (FRAME_CURSOR_COLOR (f), f))
     {
@@ -2954,7 +2957,7 @@ ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
 
   NSTRACE ("ns_draw_vertical_window_border");
 
-  face = FACE_OPT_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
+  face = FACE_FROM_ID_OR_NULL (f, VERTICAL_BORDER_FACE_ID);
 
   ns_focus (f, &r, 1);
   if (face)
@@ -2977,7 +2980,7 @@ ns_draw_window_divider (struct window *w, int x0, int x1, int y0, int y1)
 
   NSTRACE ("ns_draw_window_divider");
 
-  face = FACE_OPT_FROM_ID (f, WINDOW_DIVIDER_FACE_ID);
+  face = FACE_FROM_ID_OR_NULL (f, WINDOW_DIVIDER_FACE_ID);
 
   ns_focus (f, &r, 1);
   if (face)
@@ -3311,9 +3314,10 @@ ns_dumpglyphs_box_or_relief (struct glyph_string *s)
 
   if (s->hl == DRAW_MOUSE_FACE)
     {
-      face = FACE_OPT_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
+      face = FACE_FROM_ID_OR_NULL (s->f,
+                                  MOUSE_HL_INFO (s->f)->mouse_face_face_id);
       if (!face)
-        face = FACE_OPT_FROM_ID (s->f, MOUSE_FACE_ID);
+        face = FACE_FROM_ID_OR_NULL (s->f, MOUSE_FACE_ID);
     }
   else
     face = s->face;
@@ -3379,8 +3383,8 @@ ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
           if (s->hl == DRAW_MOUSE_FACE)
             {
               face
-               = FACE_OPT_FROM_ID (s->f,
-                                   MOUSE_HL_INFO (s->f)->mouse_face_face_id);
+               = FACE_FROM_ID_OR_NULL (s->f,
+                                       MOUSE_HL_INFO (s->f)->mouse_face_face_id);
               if (!face)
                 face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
             }
@@ -3446,7 +3450,8 @@ ns_dumpglyphs_image (struct glyph_string *s, NSRect r)
      with its background color), we must clear just the image area. */
   if (s->hl == DRAW_MOUSE_FACE)
     {
-      face = FACE_OPT_FROM_ID (s->f, MOUSE_HL_INFO (s->f)->mouse_face_face_id);
+      face = FACE_FROM_ID_OR_NULL (s->f,
+                                  MOUSE_HL_INFO (s->f)->mouse_face_face_id);
       if (!face)
        face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
     }
@@ -3563,8 +3568,8 @@ ns_dumpglyphs_stretch (struct glyph_string *s)
 
       if (s->hl == DRAW_MOUSE_FACE)
        {
-         face = FACE_OPT_FROM_ID (s->f,
-                                 MOUSE_HL_INFO (s->f)->mouse_face_face_id);
+         face = FACE_FROM_ID_OR_NULL (s->f,
+                                     MOUSE_HL_INFO (s->f)->mouse_face_face_id);
          if (!face)
            face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
        }
@@ -4096,6 +4101,9 @@ ns_read_socket (struct terminal *terminal, struct input_event *hold_quit)
 
   NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "ns_read_socket");
 
+  if (apploopnr > 0)
+    return -1; /* Already within event loop. */
+
 #ifdef HAVE_NATIVE_FS
   check_native_fs ();
 #endif
@@ -4180,6 +4188,9 @@ ns_select (int nfds, fd_set *readfds, fd_set *writefds,
 
   NSTRACE_WHEN (NSTRACE_GROUP_EVENTS, "ns_select");
 
+  if (apploopnr > 0)
+    return -1; /* Already within event loop. */
+
 #ifdef HAVE_NATIVE_FS
   check_native_fs ();
 #endif
@@ -6189,8 +6200,14 @@ not_in_argv (NSString *arg)
                                        +FRAME_LINE_HEIGHT (emacsframe));
 
   pt = [self convertPoint: pt toView: nil];
+#if !defined (NS_IMPL_COCOA) || \
+  MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
   pt = [[self window] convertBaseToScreen: pt];
   rect.origin = pt;
+#else
+  rect.origin = pt;
+  rect = [[self window] convertRectToScreen: rect];
+#endif
   return rect;
 }