Don't use the Gtk region face

* lisp/faces.el (region): Don't use the Gtk region face, because
it produces low contrast combinations (bug#46493).
* src/gtkutil.h:
* src/gtkutil.c (xg_check_special_colors): Remove.

* src/xfns.c (x_defined_color):
* src/pgtkterm.c (pgtk_defined_color): Don't call.

1 files changed, 0 insertions, 82 deletions

diff --git a/src/gtkutil.c b/src/gtkutil.c
index a6bba096a43..87f166bf54d 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -727,88 +727,6 @@ get_utf8_string (const char *str)
   return utf8_str;
 }
 
-/* Check for special colors used in face spec for region face.
-   The colors are fetched from the Gtk+ theme.
-   Return true if color was found, false if not.  */
-
-bool
-xg_check_special_colors (struct frame *f,
-                         const char *color_name,
-                         Emacs_Color *color)
-{
-  bool success_p;
-  bool get_bg;
-  bool get_fg;
-#ifdef HAVE_GTK3
-  GtkStyleContext *gsty;
-  GdkRGBA col;
-  char buf[sizeof "rgb://rrrr/gggg/bbbb"];
-  int state;
-  GdkRGBA *c;
-  unsigned short r, g, b;
-#else
-  GtkStyle *gsty;
-  GdkColor *grgb;
-#endif
-
-  get_bg = !strcmp ("gtk_selection_bg_color", color_name);
-  get_fg = !get_bg && !strcmp ("gtk_selection_fg_color", color_name);
-  success_p = false;
-
-#ifdef HAVE_PGTK
-  while (FRAME_PARENT_FRAME (f))
-    f = FRAME_PARENT_FRAME (f);
-#endif
-
-  if (!FRAME_GTK_WIDGET (f) || !(get_bg || get_fg))
-    return success_p;
-
-  block_input ();
-#ifdef HAVE_GTK3
-  gsty = gtk_widget_get_style_context (FRAME_GTK_OUTER_WIDGET (f));
-  state = GTK_STATE_FLAG_SELECTED | GTK_STATE_FLAG_FOCUSED;
-
-  if (get_fg)
-    gtk_style_context_get_color (gsty, state, &col);
-  else
-    {
-      /* FIXME: Retrieving the background color is deprecated in
-	 GTK+ 3.16.  New versions of GTK+ don't use the concept of a
-	 single background color any more, so we shouldn't query for
-	 it.  */
-      gtk_style_context_get (gsty, state,
-			     GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &c,
-			     NULL);
-      col = *c;
-      gdk_rgba_free (c);
-    }
-
-  r = col.red * 65535;
-  g = col.green * 65535;
-  b = col.blue * 65535;
-#ifndef HAVE_PGTK
-  sprintf (buf, "rgb:%04x/%04x/%04x", r, g, b);
-  success_p = x_parse_color (f, buf, color) != 0;
-#else
-  sprintf (buf, "#%04x%04x%04x", r, g, b);
-  success_p = pgtk_parse_color (f, buf, color) != 0;
-#endif
-#else
-  gsty = gtk_widget_get_style (FRAME_GTK_WIDGET (f));
-  grgb = (get_bg ? &gsty->bg[GTK_STATE_SELECTED]
-	  : &gsty->fg[GTK_STATE_SELECTED]);
-
-  color->red = grgb->red;
-  color->green = grgb->green;
-  color->blue = grgb->blue;
-  color->pixel = grgb->pixel;
-  success_p = 1;
-#endif
-  unblock_input ();
-  return success_p;
-}
-
-
 
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