Adding upstream version 1:43.6.upstream/1%43.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 919 insertions, 0 deletions

diff --git a/panels/display/cc-display-settings.c b/panels/display/cc-display-settings.c
new file mode 100644
index 0000000..8fec65b
--- /dev/null
+++ b/panels/display/cc-display-settings.c
@@ -0,0 +1,919 @@
+/* cc-display-settings.c
+ *
+ * Copyright (C) 2007, 2008, 2018, 2019  Red Hat, Inc.
+ * Copyright (C) 2013 Intel, Inc.
+ *
+ * Written by: Benjamin Berg <bberg@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <float.h>
+#include <glib/gi18n.h>
+#include <float.h>
+#include <math.h>
+#include "cc-display-settings.h"
+#include "cc-display-config.h"
+
+#define MAX_SCALE_BUTTONS 5
+
+struct _CcDisplaySettings
+{
+  GtkBox            object;
+
+  gboolean          updating;
+  gboolean          num_scales;
+  gboolean          folded;
+  guint             idle_udpate_id;
+
+  gboolean          has_accelerometer;
+  CcDisplayConfig  *config;
+  CcDisplayMonitor *selected_output;
+
+  GListModel       *orientation_list;
+  GListStore       *refresh_rate_list;
+  GListStore       *resolution_list;
+  GListModel       *scale_list;
+
+  GtkWidget        *enabled_listbox;
+  AdwActionRow     *enabled_row;
+  GtkSwitch        *enabled_switch;
+  GtkWidget        *orientation_row;
+  GtkWidget        *refresh_rate_row;
+  GtkWidget        *resolution_row;
+  GtkWidget        *scale_bbox;
+  GtkWidget        *scale_buttons_row;
+  GtkWidget        *scale_combo_row;
+  GtkWidget        *underscanning_row;
+  GtkWidget        *underscanning_switch;
+};
+
+typedef struct _CcDisplaySettings CcDisplaySettings;
+
+enum {
+  PROP_0,
+  PROP_HAS_ACCELEROMETER,
+  PROP_CONFIG,
+  PROP_SELECTED_OUTPUT,
+  PROP_LAST
+};
+
+G_DEFINE_TYPE (CcDisplaySettings, cc_display_settings, GTK_TYPE_BOX)
+
+static GParamSpec *props[PROP_LAST];
+
+static void on_scale_btn_active_changed_cb (GtkWidget         *widget,
+                                            GParamSpec        *pspec,
+                                            CcDisplaySettings *self);
+
+
+static gboolean
+should_show_rotation (CcDisplaySettings *self)
+{
+  gboolean supports_rotation;
+
+  supports_rotation = cc_display_monitor_supports_rotation (self->selected_output,
+                                                            CC_DISPLAY_ROTATION_90 |
+                                                            CC_DISPLAY_ROTATION_180 |
+                                                            CC_DISPLAY_ROTATION_270);
+
+  /* Doesn't support rotation at all */
+  if (!supports_rotation)
+    return FALSE;
+
+  /* We can always rotate displays that aren't builtin */
+  if (!cc_display_monitor_is_builtin (self->selected_output))
+    return TRUE;
+
+  /* Only offer rotation if there's no accelerometer */
+  return !self->has_accelerometer;
+}
+
+static const gchar *
+string_for_rotation (CcDisplayRotation rotation)
+{
+  switch (rotation)
+    {
+    case CC_DISPLAY_ROTATION_NONE:
+    case CC_DISPLAY_ROTATION_180_FLIPPED:
+      return C_("Display rotation", "Landscape");
+    case CC_DISPLAY_ROTATION_90:
+    case CC_DISPLAY_ROTATION_270_FLIPPED:
+      return C_("Display rotation", "Portrait Right");
+    case CC_DISPLAY_ROTATION_270:
+    case CC_DISPLAY_ROTATION_90_FLIPPED:
+      return C_("Display rotation", "Portrait Left");
+    case CC_DISPLAY_ROTATION_180:
+    case CC_DISPLAY_ROTATION_FLIPPED:
+      return C_("Display rotation", "Landscape (flipped)");
+    }
+  return "";
+}
+
+static const gchar *
+make_aspect_string (gint width,
+                    gint height)
+{
+  int ratio;
+  const gchar *aspect = NULL;
+
+    /* We use a number of Unicode characters below:
+     * ∶ is U+2236 RATIO
+     *   is U+2009 THIN SPACE,
+     * × is U+00D7 MULTIPLICATION SIGN
+     */
+  if (width && height) {
+    if (width > height)
+      ratio = width * 10 / height;
+    else
+      ratio = height * 10 / width;
+
+    switch (ratio) {
+    case 13:
+      aspect = "4∶3";
+      break;
+    case 16:
+      aspect = "16∶10";
+      break;
+    case 17:
+      aspect = "16∶9";
+      break;
+    case 23:
+      aspect = "21∶9";
+      break;
+    case 35:
+      aspect = "32∶9";
+      break;
+    case 12:
+      aspect = "5∶4";
+      break;
+      /* This catches 1.5625 as well (1600x1024) when maybe it shouldn't. */
+    case 15:
+      aspect = "3∶2";
+      break;
+    case 18:
+      aspect = "9∶5";
+      break;
+    case 10:
+      aspect = "1∶1";
+      break;
+    }
+  }
+
+  return aspect;
+}
+
+static gchar *
+make_refresh_rate_string (CcDisplayMode *mode)
+{
+  return g_strdup_printf (_("%.2lf Hz"), cc_display_mode_get_freq_f (mode));
+}
+
+static gchar *
+make_resolution_string (CcDisplayMode *mode)
+{
+  const char *interlaced;
+  const char *aspect;
+  int width, height;
+
+  cc_display_mode_get_resolution (mode, &width, &height);
+  aspect = make_aspect_string (width, height);
+  interlaced = cc_display_mode_is_interlaced (mode) ? "i" : "";
+
+  if (aspect != NULL)
+    return g_strdup_printf ("%d × %d%s (%s)", width, height, interlaced, aspect);
+  else
+    return g_strdup_printf ("%d × %d%s", width, height, interlaced);
+}
+
+static double
+round_scale_for_ui (double scale)
+{
+  /* Keep in sync with mutter */
+  return round (scale*4)/4;
+}
+
+static gchar *
+make_scale_string (gdouble scale)
+{
+  return g_strdup_printf ("%d %%", (int) (round_scale_for_ui (scale)*100));
+}
+
+static gint
+sort_modes_by_area_desc (CcDisplayMode *a, CcDisplayMode *b)
+{
+  gint wa, ha, wb, hb;
+  gint res;
+
+  cc_display_mode_get_resolution (a, &wa, &ha);
+  cc_display_mode_get_resolution (b, &wb, &hb);
+
+  /* Sort first by width, then height.
+   * We used to sort by area, but that can be confusing. */
+  res = wb - wa;
+  if (res)
+    return res;
+  return hb - ha;
+}
+
+static gint
+sort_modes_by_freq_desc (CcDisplayMode *a, CcDisplayMode *b)
+{
+  double delta = (cc_display_mode_get_freq_f (b) - cc_display_mode_get_freq_f (a))*1000.;
+  return delta;
+}
+
+static gboolean
+cc_display_settings_rebuild_ui (CcDisplaySettings *self)
+{
+  GtkWidget *child;
+  g_autolist(CcDisplayMode) clone_modes = NULL;
+  GList *modes;
+  GList *item;
+  gint width, height;
+  CcDisplayMode *current_mode;
+  GtkToggleButton *group = NULL;
+  g_autoptr(GArray) scales = NULL;
+  gint i;
+
+  self->idle_udpate_id = 0;
+
+  if (!self->config || !self->selected_output)
+    {
+      gtk_widget_set_visible (self->enabled_listbox, FALSE);
+      gtk_widget_set_visible (self->orientation_row, FALSE);
+      gtk_widget_set_visible (self->refresh_rate_row, FALSE);
+      gtk_widget_set_visible (self->resolution_row, FALSE);
+      gtk_widget_set_visible (self->scale_combo_row, FALSE);
+      gtk_widget_set_visible (self->scale_buttons_row, FALSE);
+      gtk_widget_set_visible (self->underscanning_row, FALSE);
+
+      return G_SOURCE_REMOVE;
+    }
+
+  g_object_freeze_notify ((GObject*) self->enabled_switch);
+  g_object_freeze_notify ((GObject*) self->orientation_row);
+  g_object_freeze_notify ((GObject*) self->refresh_rate_row);
+  g_object_freeze_notify ((GObject*) self->resolution_row);
+  g_object_freeze_notify ((GObject*) self->scale_combo_row);
+  g_object_freeze_notify ((GObject*) self->underscanning_switch);
+
+  cc_display_monitor_get_geometry (self->selected_output, NULL, NULL, &width, &height);
+
+  /* Selecte the first mode we can find if the monitor is disabled. */
+  current_mode = cc_display_monitor_get_mode (self->selected_output);
+  if (current_mode == NULL)
+    current_mode = cc_display_monitor_get_preferred_mode (self->selected_output);
+  if (current_mode == NULL) {
+    modes = cc_display_monitor_get_modes (self->selected_output);
+    /* Lets assume that a monitor always has at least one mode. */
+    g_assert (modes);
+    current_mode = CC_DISPLAY_MODE (modes->data);
+  }
+
+  /* Enabled Switch */
+  adw_preferences_row_set_title (ADW_PREFERENCES_ROW (self->enabled_row),
+                                 cc_display_monitor_get_ui_name (self->selected_output));
+  gtk_switch_set_active (GTK_SWITCH (self->enabled_switch),
+                         cc_display_monitor_is_active (self->selected_output));
+
+  if (should_show_rotation (self))
+    {
+      guint i;
+      CcDisplayRotation rotations[] = { CC_DISPLAY_ROTATION_NONE,
+                                        CC_DISPLAY_ROTATION_90,
+                                        CC_DISPLAY_ROTATION_270,
+                                        CC_DISPLAY_ROTATION_180 };
+
+      gtk_widget_set_visible (self->orientation_row, TRUE);
+
+      gtk_string_list_splice (GTK_STRING_LIST (self->orientation_list),
+                              0,
+                              g_list_model_get_n_items (self->orientation_list),
+                              NULL);
+      for (i = 0; i < G_N_ELEMENTS (rotations); i++)
+        {
+          g_autoptr(GObject) obj = NULL;
+
+          if (!cc_display_monitor_supports_rotation (self->selected_output, rotations[i]))
+            continue;
+
+          gtk_string_list_append (GTK_STRING_LIST (self->orientation_list),
+                                  string_for_rotation (rotations[i]));
+          obj = g_list_model_get_item (self->orientation_list, i);
+          g_object_set_data (G_OBJECT (obj), "rotation-value", GINT_TO_POINTER (rotations[i]));
+
+          if (cc_display_monitor_get_rotation (self->selected_output) == rotations[i])
+            adw_combo_row_set_selected (ADW_COMBO_ROW (self->orientation_row),
+                                        g_list_model_get_n_items (G_LIST_MODEL (self->orientation_list)) - 1);
+        }
+    }
+  else
+    {
+      gtk_widget_set_visible (self->orientation_row, FALSE);
+    }
+
+  /* Only show refresh rate if we are not in cloning mode. */
+  if (!cc_display_config_is_cloning (self->config))
+    {
+      GList *item;
+      gdouble freq;
+
+      freq = cc_display_mode_get_freq_f (current_mode);
+
+      modes = cc_display_monitor_get_modes (self->selected_output);
+
+      g_list_store_remove_all (self->refresh_rate_list);
+
+      for (item = modes; item != NULL; item = item->next)
+        {
+          gint w, h;
+          guint new;
+          CcDisplayMode *mode = CC_DISPLAY_MODE (item->data);
+
+          cc_display_mode_get_resolution (mode, &w, &h);
+          if (w != width || h != height)
+            continue;
+
+          /* At some point we used to filter very close resolutions,
+           * but we don't anymore these days.
+           */
+          new = g_list_store_insert_sorted (self->refresh_rate_list,
+                                            mode,
+                                            (GCompareDataFunc) sort_modes_by_freq_desc,
+                                            NULL);
+          if (freq == cc_display_mode_get_freq_f (mode))
+            adw_combo_row_set_selected (ADW_COMBO_ROW (self->refresh_rate_row), new);
+        }
+
+      gtk_widget_set_visible (self->refresh_rate_row, TRUE);
+    }
+  else
+    {
+      gtk_widget_set_visible (self->refresh_rate_row, FALSE);
+    }
+
+
+  /* Resolutions are always shown. */
+  gtk_widget_set_visible (self->resolution_row, TRUE);
+  if (cc_display_config_is_cloning (self->config))
+    {
+      clone_modes = cc_display_config_generate_cloning_modes (self->config);
+      modes = clone_modes;
+    }
+  else
+    {
+      modes = cc_display_monitor_get_modes (self->selected_output);
+    }
+
+  g_list_store_remove_all (self->resolution_list);
+  g_list_store_append (self->resolution_list, current_mode);
+  adw_combo_row_set_selected (ADW_COMBO_ROW (self->resolution_row), 0);
+  for (item = modes; item != NULL; item = item->next)
+    {
+      gint ins;
+      gint w, h;
+      CcDisplayMode *mode = CC_DISPLAY_MODE (item->data);
+
+      cc_display_mode_get_resolution (mode, &w, &h);
+
+      /* Find the appropriate insertion point. */
+      for (ins = 0; ins < g_list_model_get_n_items (G_LIST_MODEL (self->resolution_list)); ins++)
+        {
+          g_autoptr(CcDisplayMode) m = NULL;
+          gint cmp;
+
+          m = g_list_model_get_item (G_LIST_MODEL (self->resolution_list), ins);
+
+          cmp = sort_modes_by_area_desc (mode, m);
+          /* Next item is smaller, insert at this point. */
+          if (cmp < 0)
+            break;
+
+          /* Don't insert if it is already in the list */
+          if (cmp == 0)
+            {
+              ins = -1;
+              break;
+            }
+        }
+
+        if (ins >= 0)
+          g_list_store_insert (self->resolution_list, ins, mode);
+    }
+
+
+  /* Scale row is usually shown. */
+  while ((child = gtk_widget_get_first_child (self->scale_bbox)) != NULL)
+    gtk_box_remove (GTK_BOX (self->scale_bbox), child);
+
+  gtk_string_list_splice (GTK_STRING_LIST (self->scale_list),
+                          0,
+                          g_list_model_get_n_items (self->scale_list),
+                          NULL);
+  scales = cc_display_mode_get_supported_scales (current_mode);
+  self->num_scales = scales->len;
+  for (i = 0; i < scales->len; i++)
+    {
+      g_autofree gchar *scale_str = NULL;
+      g_autoptr(GObject) value_object = NULL;
+      double scale = g_array_index (scales, double, i);
+      GtkWidget *scale_btn;
+      gboolean is_selected;
+
+      /* ComboRow */
+      scale_str = make_scale_string (scale);
+      is_selected = G_APPROX_VALUE (cc_display_monitor_get_scale (self->selected_output),
+                                    scale, DBL_EPSILON);
+
+      gtk_string_list_append (GTK_STRING_LIST (self->scale_list), scale_str);
+      value_object = g_list_model_get_item (self->scale_list, i);
+      g_object_set_data_full (G_OBJECT (value_object), "scale",
+                              g_memdup2 (&scale, sizeof (double)), g_free);
+      if (is_selected)
+        adw_combo_row_set_selected (ADW_COMBO_ROW (self->scale_combo_row),
+                                    g_list_model_get_n_items (G_LIST_MODEL (self->scale_list)) - 1);
+
+      /* ButtonBox */
+      scale_btn = gtk_toggle_button_new_with_label (scale_str);
+      gtk_toggle_button_set_group (GTK_TOGGLE_BUTTON (scale_btn), group);
+      g_object_set_data_full (G_OBJECT (scale_btn), "scale",
+                              g_memdup2 (&scale, sizeof (double)), g_free);
+
+      if (!group)
+        group = GTK_TOGGLE_BUTTON (scale_btn);
+      gtk_box_append (GTK_BOX (self->scale_bbox), scale_btn);
+      /* Set active before connecting the signal */
+      if (is_selected)
+        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (scale_btn), TRUE);
+
+      g_signal_connect_object (scale_btn,
+                               "notify::active",
+                               G_CALLBACK (on_scale_btn_active_changed_cb),
+                               self, 0);
+    }
+  cc_display_settings_refresh_layout (self, self->folded);
+
+  gtk_widget_set_visible (self->underscanning_row,
+                          cc_display_monitor_supports_underscanning (self->selected_output) &&
+                          !cc_display_config_is_cloning (self->config));
+  gtk_switch_set_active (GTK_SWITCH (self->underscanning_switch),
+                         cc_display_monitor_get_underscanning (self->selected_output));
+
+  self->updating = TRUE;
+  g_object_thaw_notify ((GObject*) self->enabled_switch);
+  g_object_thaw_notify ((GObject*) self->orientation_row);
+  g_object_thaw_notify ((GObject*) self->refresh_rate_row);
+  g_object_thaw_notify ((GObject*) self->resolution_row);
+  g_object_thaw_notify ((GObject*) self->scale_combo_row);
+  g_object_thaw_notify ((GObject*) self->underscanning_switch);
+  self->updating = FALSE;
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+on_output_changed_cb (CcDisplaySettings *self,
+                      GParamSpec        *pspec,
+                      CcDisplayMonitor  *output)
+{
+  /* Do this frmo an idle handler, because otherwise we may create an
+   * infinite loop triggering the notify::selected-index from the
+   * combo rows. */
+  if (self->idle_udpate_id)
+    return;
+
+  self->idle_udpate_id = g_idle_add ((GSourceFunc) cc_display_settings_rebuild_ui, self);
+}
+
+static void
+on_enabled_switch_active_changed_cb (GtkWidget         *widget,
+                                     GParamSpec        *pspec,
+                                     CcDisplaySettings *self)
+{
+  if (self->updating)
+    return;
+
+  cc_display_monitor_set_active (self->selected_output,
+                                 gtk_switch_get_active (self->enabled_switch));
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_orientation_selection_changed_cb (GtkWidget         *widget,
+                                     GParamSpec        *pspec,
+                                     CcDisplaySettings *self)
+{
+  gint idx;
+  g_autoptr(GObject) obj = NULL;
+
+  if (self->updating)
+    return;
+
+  idx = adw_combo_row_get_selected (ADW_COMBO_ROW (self->orientation_row));
+  obj = g_list_model_get_item (G_LIST_MODEL (self->orientation_list), idx);
+
+  if (!obj)
+    return;
+
+  cc_display_monitor_set_rotation (self->selected_output,
+                                   GPOINTER_TO_INT (g_object_get_data (G_OBJECT (obj), "rotation-value")));
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_refresh_rate_selection_changed_cb (GtkWidget         *widget,
+                                      GParamSpec        *pspec,
+                                      CcDisplaySettings *self)
+{
+  gint idx;
+  g_autoptr(CcDisplayMode) mode = NULL;
+
+  if (self->updating)
+    return;
+
+  idx = adw_combo_row_get_selected (ADW_COMBO_ROW (self->refresh_rate_row));
+  mode = g_list_model_get_item (G_LIST_MODEL (self->refresh_rate_list), idx);
+
+  if (!mode)
+    return;
+
+  cc_display_monitor_set_mode (self->selected_output, mode);
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_resolution_selection_changed_cb (GtkWidget         *widget,
+                                    GParamSpec        *pspec,
+                                    CcDisplaySettings *self)
+{
+  gint idx;
+  g_autoptr(CcDisplayMode) mode = NULL;
+
+  if (self->updating)
+    return;
+
+  idx = adw_combo_row_get_selected (ADW_COMBO_ROW (self->resolution_row));
+  mode = g_list_model_get_item (G_LIST_MODEL (self->resolution_list), idx);
+
+  if (!mode)
+    return;
+
+  /* This is the only row that can be changed when in cloning mode. */
+  if (!cc_display_config_is_cloning (self->config))
+    cc_display_monitor_set_mode (self->selected_output, mode);
+  else
+    cc_display_config_set_mode_on_all_outputs (self->config, mode);
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_scale_btn_active_changed_cb (GtkWidget         *widget,
+                                GParamSpec        *pspec,
+                                CcDisplaySettings *self)
+{
+  gdouble scale;
+  if (self->updating)
+    return;
+
+  if (!gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)))
+    return;
+
+  scale = *(gdouble*) g_object_get_data (G_OBJECT (widget), "scale");
+  cc_display_monitor_set_scale (self->selected_output,
+                                scale);
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_scale_selection_changed_cb (GtkWidget         *widget,
+                               GParamSpec        *pspec,
+                               CcDisplaySettings *self)
+{
+  int idx;
+  double scale;
+  g_autoptr(GObject) obj = NULL;
+
+  if (self->updating)
+    return;
+
+  idx = adw_combo_row_get_selected (ADW_COMBO_ROW (self->scale_combo_row));
+  obj = g_list_model_get_item (G_LIST_MODEL (self->scale_list), idx);
+  if (!obj)
+    return;
+  scale = *(gdouble*) g_object_get_data (G_OBJECT (obj), "scale");
+
+  cc_display_monitor_set_scale (self->selected_output, scale);
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+on_underscanning_switch_active_changed_cb (GtkWidget         *widget,
+                                           GParamSpec        *pspec,
+                                           CcDisplaySettings *self)
+{
+  if (self->updating)
+    return;
+
+  cc_display_monitor_set_underscanning (self->selected_output,
+                                        gtk_switch_get_active (GTK_SWITCH (self->underscanning_switch)));
+
+  g_signal_emit_by_name (G_OBJECT (self), "updated", self->selected_output);
+}
+
+static void
+cc_display_settings_get_property (GObject    *object,
+                                  guint       prop_id,
+                                  GValue     *value,
+                                  GParamSpec *pspec)
+{
+  CcDisplaySettings *self = CC_DISPLAY_SETTINGS (object);
+
+  switch (prop_id)
+    {
+    case PROP_HAS_ACCELEROMETER:
+      g_value_set_boolean (value, cc_display_settings_get_has_accelerometer (self));
+      break;
+
+    case PROP_CONFIG:
+      g_value_set_object (value, self->config);
+      break;
+
+    case PROP_SELECTED_OUTPUT:
+      g_value_set_object (value, self->selected_output);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+cc_display_settings_set_property (GObject      *object,
+                                  guint         prop_id,
+                                  const GValue *value,
+                                  GParamSpec   *pspec)
+{
+  CcDisplaySettings *self = CC_DISPLAY_SETTINGS (object);
+
+  switch (prop_id)
+    {
+    case PROP_HAS_ACCELEROMETER:
+      cc_display_settings_set_has_accelerometer (self, g_value_get_boolean (value));
+      break;
+
+    case PROP_CONFIG:
+      cc_display_settings_set_config (self, g_value_get_object (value));
+      break;
+
+    case PROP_SELECTED_OUTPUT:
+      cc_display_settings_set_selected_output (self, g_value_get_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+cc_display_settings_finalize (GObject *object)
+{
+  CcDisplaySettings *self = CC_DISPLAY_SETTINGS (object);
+
+  g_clear_object (&self->config);
+
+  g_clear_object (&self->orientation_list);
+  g_clear_object (&self->refresh_rate_list);
+  g_clear_object (&self->resolution_list);
+  g_clear_object (&self->scale_list);
+
+  if (self->idle_udpate_id)
+    g_source_remove (self->idle_udpate_id);
+  self->idle_udpate_id = 0;
+
+  G_OBJECT_CLASS (cc_display_settings_parent_class)->finalize (object);
+}
+
+static void
+cc_display_settings_class_init (CcDisplaySettingsClass *klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  gobject_class->finalize = cc_display_settings_finalize;
+  gobject_class->get_property = cc_display_settings_get_property;
+  gobject_class->set_property = cc_display_settings_set_property;
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/display/cc-display-settings.ui");
+
+  props[PROP_HAS_ACCELEROMETER] =
+    g_param_spec_boolean ("has-accelerometer", "Has Accelerometer",
+                          "If an accelerometre is available for the builtin display",
+                          FALSE,
+                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
+  props[PROP_CONFIG] =
+    g_param_spec_object ("config", "Display Config",
+                         "The display configuration to work with",
+                         CC_TYPE_DISPLAY_CONFIG,
+                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
+  props[PROP_SELECTED_OUTPUT] =
+    g_param_spec_object ("selected-output", "Selected Output",
+                         "The output that is currently selected on the configuration",
+                         CC_TYPE_DISPLAY_MONITOR,
+                         G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (gobject_class,
+                                     PROP_LAST,
+                                     props);
+
+  g_signal_new ("updated",
+                CC_TYPE_DISPLAY_SETTINGS,
+                G_SIGNAL_RUN_LAST,
+                0, NULL, NULL, NULL,
+                G_TYPE_NONE, 1, CC_TYPE_DISPLAY_MONITOR);
+
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, enabled_listbox);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, enabled_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, enabled_switch);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, orientation_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, refresh_rate_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, resolution_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, scale_bbox);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, scale_buttons_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, scale_combo_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, underscanning_row);
+  gtk_widget_class_bind_template_child (widget_class, CcDisplaySettings, underscanning_switch);
+
+  gtk_widget_class_bind_template_callback (widget_class, on_enabled_switch_active_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_orientation_selection_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_refresh_rate_selection_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_resolution_selection_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_scale_selection_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_underscanning_switch_active_changed_cb);
+}
+
+static void
+cc_display_settings_init (CcDisplaySettings *self)
+{
+  GtkExpression *expression;
+
+  gtk_widget_init_template (GTK_WIDGET (self));
+
+  self->orientation_list = G_LIST_MODEL (gtk_string_list_new (NULL));
+  self->refresh_rate_list = g_list_store_new (CC_TYPE_DISPLAY_MODE);
+  self->resolution_list = g_list_store_new (CC_TYPE_DISPLAY_MODE);
+  self->scale_list = G_LIST_MODEL (gtk_string_list_new (NULL));
+
+  self->updating = TRUE;
+
+  adw_combo_row_set_model (ADW_COMBO_ROW (self->orientation_row),
+                           G_LIST_MODEL (self->orientation_list));
+  adw_combo_row_set_model (ADW_COMBO_ROW (self->scale_combo_row),
+                           G_LIST_MODEL (self->scale_list));
+
+  expression = gtk_cclosure_expression_new (G_TYPE_STRING,
+                                            NULL, 0, NULL,
+                                            G_CALLBACK (make_refresh_rate_string),
+                                            self, NULL);
+  adw_combo_row_set_expression (ADW_COMBO_ROW (self->refresh_rate_row), expression);
+  adw_combo_row_set_model (ADW_COMBO_ROW (self->refresh_rate_row),
+                           G_LIST_MODEL (self->refresh_rate_list));
+
+  expression = gtk_cclosure_expression_new (G_TYPE_STRING,
+                                            NULL, 0, NULL,
+                                            G_CALLBACK (make_resolution_string),
+                                            self, NULL);
+  adw_combo_row_set_expression (ADW_COMBO_ROW (self->resolution_row), expression);
+  adw_combo_row_set_model (ADW_COMBO_ROW (self->resolution_row),
+                           G_LIST_MODEL (self->resolution_list));
+
+  self->updating = FALSE;
+}
+
+CcDisplaySettings*
+cc_display_settings_new (void)
+{
+  return g_object_new (CC_TYPE_DISPLAY_SETTINGS,
+                       NULL);
+}
+
+gboolean
+cc_display_settings_get_has_accelerometer (CcDisplaySettings    *settings)
+{
+  return settings->has_accelerometer;
+}
+
+void
+cc_display_settings_set_has_accelerometer (CcDisplaySettings    *self,
+                                           gboolean              has_accelerometer)
+{
+  self->has_accelerometer = has_accelerometer;
+
+  cc_display_settings_rebuild_ui (self);
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_CONFIG]);
+}
+
+CcDisplayConfig*
+cc_display_settings_get_config (CcDisplaySettings *self)
+{
+  return self->config;
+}
+
+void
+cc_display_settings_set_config (CcDisplaySettings *self,
+                                CcDisplayConfig   *config)
+{
+  const gchar *signals[] = { "rotation", "mode", "scale", "is-usable", "active" };
+  GList *outputs, *l;
+  guint i;
+
+  if (self->config)
+    {
+      outputs = cc_display_config_get_monitors (self->config);
+      for (l = outputs; l; l = l->next)
+        {
+          CcDisplayMonitor *output = l->data;
+
+          g_signal_handlers_disconnect_by_data (output, self);
+        }
+    }
+  g_clear_object (&self->config);
+
+  self->config = g_object_ref (config);
+
+  /* Listen to all the signals */
+  if (self->config)
+    {
+      outputs = cc_display_config_get_monitors (self->config);
+      for (l = outputs; l; l = l->next)
+        {
+          CcDisplayMonitor *output = l->data;
+
+          for (i = 0; i < G_N_ELEMENTS (signals); ++i)
+            g_signal_connect_object (output, signals[i], G_CALLBACK (on_output_changed_cb), self, G_CONNECT_SWAPPED);
+        }
+    }
+
+  cc_display_settings_set_selected_output (self, NULL);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_CONFIG]);
+}
+
+CcDisplayMonitor*
+cc_display_settings_get_selected_output (CcDisplaySettings *self)
+{
+  return self->selected_output;
+}
+
+void
+cc_display_settings_set_selected_output (CcDisplaySettings *self,
+                                         CcDisplayMonitor  *output)
+{
+  self->selected_output = output;
+
+  cc_display_settings_rebuild_ui (self);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SELECTED_OUTPUT]);
+}
+
+void
+cc_display_settings_refresh_layout (CcDisplaySettings *self,
+                                    gboolean           folded)
+{
+  gboolean use_combo;
+
+  self->folded = folded;
+  use_combo = self->num_scales > MAX_SCALE_BUTTONS || (self->num_scales > 2 && folded);
+
+  gtk_widget_set_visible (self->scale_combo_row, use_combo);
+  gtk_widget_set_visible (self->scale_buttons_row, self->num_scales > 1 && !use_combo);
+}
+
+void
+cc_display_settings_set_multimonitor (CcDisplaySettings *self,
+                                      gboolean           multimonitor)
+{
+  gtk_widget_set_visible (self->enabled_listbox, multimonitor);
+
+  if (!multimonitor)
+    gtk_switch_set_active (GTK_SWITCH (self->enabled_switch), TRUE);
+}