[gtk/gbsneto/filechooser-column-view] filechooser: Drop unnecessary theme tracking

[Matthias Clasen <matthiasc src gnome org>]

commit bb424b9ac1fafb866cbf8880bf02bfa3d48d1905
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 11 11:30:36 2022 -0400

    filechooser: Drop unnecessary theme tracking
    
    The widgets we are using handle theme changes
    themselves, so there is no need for the filechooser
    to do anything.

 gtk/gtkfilechooserwidget.c | 85 ----------------------------------------------
 1 file changed, 85 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 746bcc8cd3..a112862989 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -399,8 +399,6 @@ static void     gtk_file_chooser_widget_map            (GtkWidget             *w
 static void     gtk_file_chooser_widget_unmap          (GtkWidget             *widget);
 static void     gtk_file_chooser_widget_root           (GtkWidget             *widget);
 static void     gtk_file_chooser_widget_unroot         (GtkWidget             *widget);
-static void     gtk_file_chooser_widget_css_changed    (GtkWidget             *widget,
-                                                        GtkCssStyleChange     *change);
 
 static gboolean       gtk_file_chooser_widget_set_current_folder           (GtkFileChooser    *chooser,
                                                                             GFile             *folder,
@@ -466,7 +464,6 @@ static void search_shortcut_handler (GtkFileChooserWidget *impl);
 static void recent_shortcut_handler (GtkFileChooserWidget *impl);
 static void places_shortcut_handler (GtkFileChooserWidget *impl);
 static void update_appearance       (GtkFileChooserWidget *impl);
-static void check_icon_theme (GtkFileChooserWidget *impl);
 
 static void operation_mode_set (GtkFileChooserWidget *impl, OperationMode mode);
 static void location_mode_set  (GtkFileChooserWidget *impl, LocationMode new_mode);
@@ -3147,21 +3144,6 @@ cancel_all_operations (GtkFileChooserWidget *impl)
   search_stop_searching (impl, TRUE);
 }
 
-/* Removes the settings signal handler.  It's safe to call multiple times */
-static void
-remove_settings_signal (GtkFileChooserWidget *impl)
-{
-  if (impl->settings_signal_id)
-    {
-      GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (impl));
-      GtkSettings *settings = gtk_settings_get_for_display (display);
-
-      g_signal_handler_disconnect (settings,
-                                   impl->settings_signal_id);
-      impl->settings_signal_id = 0;
-    }
-}
-
 static void
 gtk_file_chooser_widget_dispose (GObject *object)
 {
@@ -3181,8 +3163,6 @@ gtk_file_chooser_widget_dispose (GObject *object)
       impl->external_entry = NULL;
     }
 
-  remove_settings_signal (impl);
-
   gtk_widget_dispose_template (GTK_WIDGET (impl), GTK_TYPE_FILE_CHOOSER_WIDGET);
 
   G_OBJECT_CLASS (gtk_file_chooser_widget_parent_class)->dispose (object);
@@ -3238,58 +3218,6 @@ gtk_file_chooser_widget_unroot (GtkWidget *widget)
   GTK_WIDGET_CLASS (gtk_file_chooser_widget_parent_class)->unroot (widget);
 }
 
-/* Changes the icons wherever it is needed */
-static void
-change_icon_theme (GtkFileChooserWidget *impl)
-{
-  /* TODO: handle icon theme changes */
-}
-
-/* Callback used when a GtkSettings value changes */
-static void
-settings_notify_cb (GObject               *object,
-                    GParamSpec            *pspec,
-                    GtkFileChooserWidget *impl)
-{
-  const char *name;
-
-  name = g_param_spec_get_name (pspec);
-
-  if (strcmp (name, "gtk-icon-theme-name") == 0)
-    change_icon_theme (impl);
-}
-
-/* Installs a signal handler for GtkSettings so that we can monitor changes in
- * the icon theme.
- */
-static void
-check_icon_theme (GtkFileChooserWidget *impl)
-{
-  GtkSettings *settings;
-
-  if (impl->settings_signal_id)
-    return;
-
-  settings = gtk_widget_get_settings (GTK_WIDGET (impl));
-  impl->settings_signal_id = g_signal_connect (settings, "notify",
-                                               G_CALLBACK (settings_notify_cb), impl);
-
-  change_icon_theme (impl);
-}
-
-static void
-gtk_file_chooser_widget_css_changed (GtkWidget         *widget,
-                                     GtkCssStyleChange *change)
-{
-  GtkFileChooserWidget *impl;
-
-  impl = GTK_FILE_CHOOSER_WIDGET (widget);
-
-  GTK_WIDGET_CLASS (gtk_file_chooser_widget_parent_class)->css_changed (widget, change);
-
-  change_icon_theme (impl);
-}
-
 static void
 settings_load (GtkFileChooserWidget *impl)
 {
@@ -6600,7 +6528,6 @@ gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
   widget_class->unmap = gtk_file_chooser_widget_unmap;
   widget_class->root = gtk_file_chooser_widget_root;
   widget_class->unroot = gtk_file_chooser_widget_unroot;
-  widget_class->css_changed = gtk_file_chooser_widget_css_changed;
   widget_class->size_allocate = gtk_file_chooser_widget_size_allocate;
   widget_class->grab_focus = gtk_widget_grab_focus_child;
   widget_class->focus = gtk_widget_focus_child;
@@ -7169,15 +7096,6 @@ gtk_file_chooser_widget_set_save_entry (GtkFileChooserWidget *impl,
     }
 }
 
-static void
-display_changed_cb (GtkWidget            *wiget,
-                    GParamSpec           *pspec,
-                    GtkFileChooserWidget *impl)
-{
-  remove_settings_signal (impl);
-  check_icon_theme (impl);
-}
-
 static char *
 filter_name (GtkFileFilter *filter)
 {
@@ -7432,9 +7350,6 @@ gtk_file_chooser_widget_init (GtkFileChooserWidget *impl)
 
   gtk_column_view_set_model (GTK_COLUMN_VIEW (impl->browse_files_column_view), impl->selection_model);
 
-  g_signal_connect (impl, "notify::display,", G_CALLBACK (display_changed_cb), impl);
-  check_icon_theme (impl);
-
   impl->bookmarks_manager = _gtk_bookmarks_manager_new (NULL, NULL);
 
   impl->filters = g_list_store_new (GTK_TYPE_FILE_FILTER);