st/settings: Switch icon-theme when "high-contrast" is active

This is in line with how GTK handles the setting. Since we are not
using GtkSettings for the icon theme, we have to replicate the
behavior ourselves.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2069>

diff --git a/src/st/st-settings.c b/src/st/st-settings.c
index 0d5ca8616a50a888010e5be166bd0832675bc79f..0edead615f8fd14e04fac984c0173b3c32e8c655 100644 (file)
--- a/src/st/st-settings.c
+++ b/src/st/st-settings.c
@@ -183,7 +183,10 @@ st_settings_get_property (GObject    *object,
       g_value_set_boolean (value, settings->high_contrast);
       break;
     case PROP_GTK_ICON_THEME:
-      g_value_set_string (value, settings->gtk_icon_theme);
+      if (settings->high_contrast)
+        g_value_set_string (value, "HighContrast");
+      else
+        g_value_set_string (value, settings->gtk_icon_theme);
       break;
     case PROP_MAGNIFIER_ACTIVE:
       g_value_set_boolean (value, settings->magnifier_active);
@@ -374,6 +377,8 @@ on_a11y_interface_settings_changed (GSettings   *g_settings,
     {
       settings->high_contrast = g_settings_get_boolean (g_settings, key);
       g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_HIGH_CONTRAST]);
+
+      g_object_notify_by_pspec (G_OBJECT (settings), props[PROP_GTK_ICON_THEME]);
     }
 }