X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/e683a2570be6f2e4f8defa4e7ee35a7d87f18918..bf5ddded70c11edaf3514b25da27fc71cfb8e965:/src/nsterm.m

diff --git a/src/nsterm.m b/src/nsterm.m
index 1d48c041ba..8da2ffe5b7 100644
--- a/src/nsterm.m
+++ b/src/nsterm.m
@@ -1612,7 +1612,12 @@ x_iconify_frame (struct frame *f)
       [[view window] orderOut: NSApp];
       [[view window] setFrame: t display: NO];
     }
+
+  /* Processing input while Emacs is being minimized can cause a
+     crash, so block it for the duration. */
+  block_input();
   [[view window] miniaturize: NSApp];
+  unblock_input();
 }
 
 /* Free X resources of frame F.  */
@@ -2856,7 +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)
@@ -2873,12 +2881,11 @@ ns_draw_window_cursor (struct window *w, struct glyph_row *glyph_row,
   r.size.height = h;
   r.size.width = w->phys_cursor_width;
 
-  /* TODO: only needed in rare cases with last-resort font in HELLO..
-     should we do this more efficiently? */
-  ns_clip_to_row (w, glyph_row, ANY_AREA, NO); /* do ns_focus(f, &r, 1); if remove */
+  /* Prevent the cursor from being drawn outside the text area. */
+  ns_clip_to_row (w, glyph_row, TEXT_AREA, NO); /* do ns_focus(f, &r, 1); if remove */
 
 
-  face = FACE_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))
     {
@@ -2950,11 +2957,12 @@ ns_draw_vertical_window_border (struct window *w, int x, int y0, int y1)
 
   NSTRACE ("ns_draw_vertical_window_border");
 
-  face = FACE_FROM_ID (f, VERTICAL_BORDER_FACE_ID);
-  if (face)
-      [ns_lookup_indexed_color(face->foreground, f) set];
+  face = FACE_FROM_ID_OR_NULL (f, VERTICAL_BORDER_FACE_ID);
 
   ns_focus (f, &r, 1);
+  if (face)
+    [ns_lookup_indexed_color(face->foreground, f) set];
+
   NSRectFill(r);
   ns_unfocus (f);
 }
@@ -2972,11 +2980,12 @@ ns_draw_window_divider (struct window *w, int x0, int x1, int y0, int y1)
 
   NSTRACE ("ns_draw_window_divider");
 
-  face = FACE_FROM_ID (f, WINDOW_DIVIDER_FACE_ID);
-  if (face)
-      [ns_lookup_indexed_color(face->foreground, f) set];
+  face = FACE_FROM_ID_OR_NULL (f, WINDOW_DIVIDER_FACE_ID);
 
   ns_focus (f, &r, 1);
+  if (face)
+    [ns_lookup_indexed_color(face->foreground, f) set];
+
   NSRectFill(r);
   ns_unfocus (f);
 }
@@ -3305,9 +3314,10 @@ ns_dumpglyphs_box_or_relief (struct glyph_string *s)
 
   if (s->hl == DRAW_MOUSE_FACE)
     {
-      face = FACE_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);
+        face = FACE_FROM_ID_OR_NULL (s->f, MOUSE_FACE_ID);
     }
   else
     face = s->face;
@@ -3372,8 +3382,9 @@ ns_maybe_dumpglyphs_background (struct glyph_string *s, char force_p)
           struct face *face;
           if (s->hl == DRAW_MOUSE_FACE)
             {
-              face = FACE_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);
             }
@@ -3439,7 +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_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);
     }
@@ -3556,7 +3568,8 @@ ns_dumpglyphs_stretch (struct glyph_string *s)
 
       if (s->hl == DRAW_MOUSE_FACE)
        {
-         face = FACE_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);
        }
@@ -3633,6 +3646,32 @@ ns_dumpglyphs_stretch (struct glyph_string *s)
 }
 
 
+static void
+ns_draw_glyph_string_foreground (struct glyph_string *s)
+{
+  int x, flags;
+  struct font *font = s->font;
+
+  /* If first glyph of S has a left box line, start drawing the text
+     of S to the right of that box line.  */
+  if (s->face && s->face->box != FACE_NO_BOX
+      && s->first_glyph->left_box_line_p)
+    x = s->x + eabs (s->face->box_line_width);
+  else
+    x = s->x;
+
+  flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
+    (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
+     (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
+      NS_DUMPGLYPH_NORMAL));
+
+  font->driver->draw
+    (s, s->cmp_from, s->nchars, x, s->ybase,
+     (flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
+     || flags == NS_DUMPGLYPH_MOUSEFACE);
+}
+
+
 static void
 ns_draw_composite_glyph_string_foreground (struct glyph_string *s)
 {
@@ -3731,7 +3770,7 @@ ns_draw_glyph_string (struct glyph_string *s)
 {
   /* TODO (optimize): focus for box and contents draw */
   NSRect r[2];
-  int n, flags;
+  int n;
   char box_drawn_p = 0;
   struct font *font = s->face->font;
   if (! font) font = FRAME_FONT (s->f);
@@ -3801,11 +3840,6 @@ ns_draw_glyph_string (struct glyph_string *s)
         ns_maybe_dumpglyphs_background
           (s, s->first_glyph->type == COMPOSITE_GLYPH);
 
-      flags = s->hl == DRAW_CURSOR ? NS_DUMPGLYPH_CURSOR :
-        (s->hl == DRAW_MOUSE_FACE ? NS_DUMPGLYPH_MOUSEFACE :
-         (s->for_overlaps ? NS_DUMPGLYPH_FOREGROUND :
-          NS_DUMPGLYPH_NORMAL));
-
       if (s->hl == DRAW_CURSOR && s->w->phys_cursor_type == FILLED_BOX_CURSOR)
         {
           unsigned long tmp = NS_FACE_BACKGROUND (s->face);
@@ -3819,10 +3853,7 @@ ns_draw_glyph_string (struct glyph_string *s)
         if (isComposite)
           ns_draw_composite_glyph_string_foreground (s);
         else
-          font->driver->draw
-            (s, s->cmp_from, s->nchars, s->x, s->ybase,
-             (flags == NS_DUMPGLYPH_NORMAL && !s->background_filled_p)
-             || flags == NS_DUMPGLYPH_MOUSEFACE);
+          ns_draw_glyph_string_foreground (s);
       }
 
       {
@@ -4070,6 +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
@@ -4154,6 +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
@@ -6163,8 +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;
 }