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

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

1 files changed, 572 insertions, 0 deletions

diff --git a/panels/multitasking/cc-multitasking-row.c b/panels/multitasking/cc-multitasking-row.c
new file mode 100644
index 0000000..9524fba
--- /dev/null
+++ b/panels/multitasking/cc-multitasking-row.c
@@ -0,0 +1,572 @@
+/* cc-multitasking-row.c
+ *
+ * Copyright 2018 Purism SPC
+ *           2021 Georges Basile Stavracas Neto <georges.stavracas@gmail.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 3 of the License, 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "cc-multitasking-row.h"
+
+struct _CcMultitaskingRow
+{
+  AdwPreferencesRow  parent;
+
+  GtkBox            *artwork_box;
+  GtkBox            *header;
+  GtkImage          *image;
+  GtkBox            *prefixes;
+  GtkLabel          *subtitle;
+  GtkBox            *suffixes;
+  GtkLabel          *title;
+  GtkBox            *title_box;
+
+  GtkWidget         *previous_parent;
+
+  gboolean           use_underline;
+  gint               title_lines;
+  gint               subtitle_lines;
+  GtkWidget         *activatable_widget;
+};
+
+static GtkBuildableIface *parent_buildable_iface;
+
+static void cc_multitasking_row_buildable_init (GtkBuildableIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (CcMultitaskingRow, cc_multitasking_row, ADW_TYPE_PREFERENCES_ROW,
+                         G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, cc_multitasking_row_buildable_init))
+
+enum
+{
+  PROP_0,
+  PROP_ICON_NAME,
+  PROP_ACTIVATABLE_WIDGET,
+  PROP_SUBTITLE,
+  PROP_USE_UNDERLINE,
+  PROP_TITLE_LINES,
+  PROP_SUBTITLE_LINES,
+  N_PROPS,
+};
+
+enum
+{
+  SIGNAL_ACTIVATED,
+  SIGNAL_LAST_SIGNAL,
+};
+
+static GParamSpec *props[N_PROPS] = { NULL, };
+static guint signals[SIGNAL_LAST_SIGNAL] = { 0, };
+
+static void
+row_activated_cb (CcMultitaskingRow *self,
+                  GtkListBoxRow     *row)
+{
+  /* No need to use GTK_LIST_BOX_ROW() for a pointer comparison. */
+  if ((GtkListBoxRow *) self == row)
+    cc_multitasking_row_activate (self);
+}
+
+static void
+parent_cb (CcMultitaskingRow *self)
+{
+  GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (self));
+
+  if (self->previous_parent != NULL)
+    {
+      g_signal_handlers_disconnect_by_func (self->previous_parent,
+                                            G_CALLBACK (row_activated_cb),
+                                            self);
+      self->previous_parent = NULL;
+    }
+
+  if (parent == NULL || !GTK_IS_LIST_BOX (parent))
+    return;
+
+  self->previous_parent = parent;
+  g_signal_connect_swapped (parent, "row-activated", G_CALLBACK (row_activated_cb), self);
+}
+
+static void
+update_subtitle_visibility (CcMultitaskingRow *self)
+{
+  gtk_widget_set_visible (GTK_WIDGET (self->subtitle),
+                          gtk_label_get_text (self->subtitle) != NULL &&
+                          g_strcmp0 (gtk_label_get_text (self->subtitle), "") != 0);
+}
+
+static void
+cc_multitasking_row_get_property (GObject    *object,
+                                  guint       prop_id,
+                                  GValue     *value,
+                                  GParamSpec *pspec)
+{
+  CcMultitaskingRow *self = CC_MULTITASKING_ROW (object);
+
+  switch (prop_id)
+    {
+    case PROP_ICON_NAME:
+      g_value_set_string (value, cc_multitasking_row_get_icon_name (self));
+      break;
+    case PROP_ACTIVATABLE_WIDGET:
+      g_value_set_object (value, (GObject *) cc_multitasking_row_get_activatable_widget (self));
+      break;
+    case PROP_SUBTITLE:
+      g_value_set_string (value, cc_multitasking_row_get_subtitle (self));
+      break;
+    case PROP_SUBTITLE_LINES:
+      g_value_set_int (value, cc_multitasking_row_get_subtitle_lines (self));
+      break;
+    case PROP_TITLE_LINES:
+      g_value_set_int (value, cc_multitasking_row_get_title_lines (self));
+      break;
+    case PROP_USE_UNDERLINE:
+      g_value_set_boolean (value, cc_multitasking_row_get_use_underline (self));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+cc_multitasking_row_set_property (GObject      *object,
+                                  guint         prop_id,
+                                  const GValue *value,
+                                  GParamSpec   *pspec)
+{
+  CcMultitaskingRow *self = CC_MULTITASKING_ROW (object);
+
+  switch (prop_id)
+    {
+    case PROP_ICON_NAME:
+      cc_multitasking_row_set_icon_name (self, g_value_get_string (value));
+      break;
+    case PROP_ACTIVATABLE_WIDGET:
+      cc_multitasking_row_set_activatable_widget (self, (GtkWidget*) g_value_get_object (value));
+      break;
+    case PROP_SUBTITLE:
+      cc_multitasking_row_set_subtitle (self, g_value_get_string (value));
+      break;
+    case PROP_SUBTITLE_LINES:
+      cc_multitasking_row_set_subtitle_lines (self, g_value_get_int (value));
+      break;
+    case PROP_TITLE_LINES:
+      cc_multitasking_row_set_title_lines (self, g_value_get_int (value));
+      break;
+    case PROP_USE_UNDERLINE:
+      cc_multitasking_row_set_use_underline (self, g_value_get_boolean (value));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+cc_multitasking_row_dispose (GObject *object)
+{
+  CcMultitaskingRow *self = CC_MULTITASKING_ROW (object);
+
+  if (self->previous_parent != NULL) {
+    g_signal_handlers_disconnect_by_func (self->previous_parent, G_CALLBACK (row_activated_cb), self);
+    self->previous_parent = NULL;
+  }
+
+  cc_multitasking_row_set_activatable_widget (self, NULL);
+  g_clear_pointer ((GtkWidget**)&self->header, gtk_widget_unparent);
+
+  G_OBJECT_CLASS (cc_multitasking_row_parent_class)->dispose (object);
+}
+
+static void
+cc_multitasking_row_class_init (CcMultitaskingRowClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->get_property = cc_multitasking_row_get_property;
+  object_class->set_property = cc_multitasking_row_set_property;
+  object_class->dispose = cc_multitasking_row_dispose;
+
+  props[PROP_ICON_NAME] =
+    g_param_spec_string ("icon-name",
+                         "Icon name",
+                         "Icon name",
+                         "",
+                         G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
+
+  props[PROP_ACTIVATABLE_WIDGET] =
+      g_param_spec_object ("activatable-widget",
+                           "Activatable widget",
+                           "The widget to be activated when the row is activated",
+                           GTK_TYPE_WIDGET,
+                           G_PARAM_READWRITE);
+
+  props[PROP_SUBTITLE] =
+    g_param_spec_string ("subtitle",
+                         "Subtitle",
+                         "Subtitle",
+                         "",
+                         G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
+
+  props[PROP_USE_UNDERLINE] =
+    g_param_spec_boolean ("use-underline",
+                          "Use underline",
+                          "If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key",
+                          FALSE,
+                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
+
+  props[PROP_TITLE_LINES] =
+    g_param_spec_int ("title-lines",
+                      "Number of title lines",
+                      "The desired number of title lines",
+                      0, G_MAXINT,
+                      1,
+                      G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
+
+  props[PROP_SUBTITLE_LINES] =
+    g_param_spec_int ("subtitle-lines",
+                      "Number of subtitle lines",
+                      "The desired number of subtitle lines",
+                      0, G_MAXINT,
+                      1,
+                      G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
+
+  g_object_class_install_properties (object_class, N_PROPS, props);
+
+  signals[SIGNAL_ACTIVATED] =
+    g_signal_new ("activated",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE,
+                  0);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/multitasking/cc-multitasking-row.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, artwork_box);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, header);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, image);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, prefixes);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, subtitle);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, suffixes);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, title);
+  gtk_widget_class_bind_template_child (widget_class, CcMultitaskingRow, title_box);
+}
+
+static gboolean
+string_is_not_empty (GBinding     *binding,
+                     const GValue *from_value,
+                     GValue       *to_value,
+                     gpointer      user_data)
+{
+  const gchar *string = g_value_get_string (from_value);
+
+  g_value_set_boolean (to_value, string != NULL && g_strcmp0 (string, "") != 0);
+
+  return TRUE;
+}
+
+static void
+cc_multitasking_row_init (CcMultitaskingRow *self)
+{
+  self->title_lines = 1;
+  self->subtitle_lines = 1;
+
+  gtk_widget_init_template (GTK_WIDGET (self));
+
+  g_object_bind_property_full (self, "title",
+                               self->title, "visible",
+                               G_BINDING_SYNC_CREATE,
+                               string_is_not_empty,
+                               NULL, NULL, NULL);
+
+  update_subtitle_visibility (self);
+
+  g_signal_connect (self, "notify::parent", G_CALLBACK (parent_cb), NULL);
+}
+
+static void
+cc_multitasking_row_buildable_add_child (GtkBuildable *buildable,
+                                         GtkBuilder   *builder,
+                                         GObject      *child,
+                                         const gchar  *type)
+{
+  CcMultitaskingRow *self = CC_MULTITASKING_ROW (buildable);
+
+  if (!self->header)
+    parent_buildable_iface->add_child (buildable, builder, child, type);
+  else if (type && strcmp (type, "prefix") == 0)
+    cc_multitasking_row_add_prefix (self, GTK_WIDGET (child));
+  else if (type && strcmp (type, "artwork") == 0)
+    cc_multitasking_row_add_artwork (self, GTK_WIDGET (child));
+  else if (!type && GTK_IS_WIDGET (child))
+    {
+      gtk_box_append (self->suffixes, GTK_WIDGET (child));
+      gtk_widget_show (GTK_WIDGET (self->suffixes));
+    }
+  else
+    parent_buildable_iface->add_child (buildable, builder, child, type);
+}
+
+static void
+cc_multitasking_row_buildable_init (GtkBuildableIface *iface)
+{
+  parent_buildable_iface = g_type_interface_peek_parent (iface);
+  iface->add_child = cc_multitasking_row_buildable_add_child;
+}
+
+const gchar *
+cc_multitasking_row_get_subtitle (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL);
+
+  return gtk_label_get_text (self->subtitle);
+}
+
+void
+cc_multitasking_row_set_subtitle (CcMultitaskingRow *self,
+                             const gchar  *subtitle)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+
+  if (g_strcmp0 (gtk_label_get_text (self->subtitle), subtitle) == 0)
+    return;
+
+  gtk_label_set_text (self->subtitle, subtitle);
+  gtk_widget_set_visible (GTK_WIDGET (self->subtitle),
+                          subtitle != NULL && g_strcmp0 (subtitle, "") != 0);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SUBTITLE]);
+}
+
+const gchar *
+cc_multitasking_row_get_icon_name (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL);
+
+  return gtk_image_get_icon_name (self->image);
+}
+
+void
+cc_multitasking_row_set_icon_name (CcMultitaskingRow *self,
+                                   const gchar       *icon_name)
+{
+  const gchar *old_icon_name;
+
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+
+  old_icon_name = gtk_image_get_icon_name (self->image);
+  if (g_strcmp0 (old_icon_name, icon_name) == 0)
+    return;
+
+  gtk_image_set_from_icon_name (self->image, icon_name);
+  gtk_widget_set_visible (GTK_WIDGET (self->image),
+                          icon_name != NULL && g_strcmp0 (icon_name, "") != 0);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ICON_NAME]);
+}
+
+GtkWidget *
+cc_multitasking_row_get_activatable_widget (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), NULL);
+
+  return self->activatable_widget;
+}
+
+static void
+activatable_widget_weak_notify (gpointer  data,
+                                GObject  *where_the_object_was)
+{
+  CcMultitaskingRow *self = CC_MULTITASKING_ROW (data);
+
+  self->activatable_widget = NULL;
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACTIVATABLE_WIDGET]);
+}
+
+void
+cc_multitasking_row_set_activatable_widget (CcMultitaskingRow *self,
+                                            GtkWidget         *widget)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (widget == NULL || GTK_IS_WIDGET (widget));
+
+  if (self->activatable_widget == widget)
+    return;
+
+  if (self->activatable_widget)
+    g_object_weak_unref (G_OBJECT (self->activatable_widget),
+                         activatable_widget_weak_notify,
+                         self);
+
+  self->activatable_widget = widget;
+
+  if (self->activatable_widget != NULL) {
+    g_object_weak_ref (G_OBJECT (self->activatable_widget),
+                       activatable_widget_weak_notify,
+                       self);
+    gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (self), TRUE);
+    gtk_accessible_update_relation (GTK_ACCESSIBLE (self->activatable_widget),
+                                GTK_ACCESSIBLE_RELATION_LABELLED_BY, self->title, NULL,
+                                GTK_ACCESSIBLE_RELATION_DESCRIBED_BY, self->subtitle, NULL,
+                                -1);
+
+  }
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACTIVATABLE_WIDGET]);
+}
+
+gboolean
+cc_multitasking_row_get_use_underline (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), FALSE);
+
+  return self->use_underline;
+}
+
+void
+cc_multitasking_row_set_use_underline (CcMultitaskingRow *self,
+                                       gboolean           use_underline)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+
+  use_underline = !!use_underline;
+
+  if (self->use_underline == use_underline)
+    return;
+
+  self->use_underline = use_underline;
+  adw_preferences_row_set_use_underline (ADW_PREFERENCES_ROW (self), self->use_underline);
+  gtk_label_set_use_underline (self->title, self->use_underline);
+  gtk_label_set_use_underline (self->subtitle, self->use_underline);
+  gtk_label_set_mnemonic_widget (self->title, GTK_WIDGET (self));
+  gtk_label_set_mnemonic_widget (self->subtitle, GTK_WIDGET (self));
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_USE_UNDERLINE]);
+}
+
+gint
+cc_multitasking_row_get_title_lines (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), 0);
+
+  return self->title_lines;
+}
+
+void
+cc_multitasking_row_set_title_lines (CcMultitaskingRow *self,
+                                     gint               title_lines)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (title_lines >= 0);
+
+  if (self->title_lines == title_lines)
+    return;
+
+  self->title_lines = title_lines;
+
+  gtk_label_set_lines (self->title, title_lines);
+  gtk_label_set_ellipsize (self->title, title_lines == 0 ? PANGO_ELLIPSIZE_NONE : PANGO_ELLIPSIZE_END);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_TITLE_LINES]);
+}
+
+gint
+cc_multitasking_row_get_subtitle_lines (CcMultitaskingRow *self)
+{
+  g_return_val_if_fail (CC_IS_MULTITASKING_ROW (self), 0);
+
+  return self->subtitle_lines;
+}
+
+void
+cc_multitasking_row_set_subtitle_lines (CcMultitaskingRow *self,
+                                        gint               subtitle_lines)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (subtitle_lines >= 0);
+
+  if (self->subtitle_lines == subtitle_lines)
+    return;
+
+  self->subtitle_lines = subtitle_lines;
+
+  gtk_label_set_lines (self->subtitle, subtitle_lines);
+  gtk_label_set_ellipsize (self->subtitle, subtitle_lines == 0 ? PANGO_ELLIPSIZE_NONE : PANGO_ELLIPSIZE_END);
+
+  g_object_notify_by_pspec (G_OBJECT (self), props[PROP_SUBTITLE_LINES]);
+}
+
+void
+cc_multitasking_row_add_prefix (CcMultitaskingRow *self,
+                                GtkWidget         *widget)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (GTK_IS_WIDGET (self));
+
+  gtk_box_append (self->prefixes, widget);
+  gtk_widget_show (GTK_WIDGET (self->prefixes));
+}
+
+void
+cc_multitasking_row_add_artwork (CcMultitaskingRow *self,
+                                 GtkWidget         *widget)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (GTK_IS_WIDGET (self));
+
+  /* HACK: the artwork box pushes the title too much to the top, so we
+   * need to compensate this here.
+   */
+  gtk_widget_set_margin_top (GTK_WIDGET (self->header), 12);
+
+  gtk_box_append (self->artwork_box, widget);
+  gtk_widget_show (GTK_WIDGET (self->artwork_box));
+}
+
+void
+cc_multitasking_row_activate (CcMultitaskingRow *self)
+{
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+
+  if (self->activatable_widget)
+    gtk_widget_mnemonic_activate (self->activatable_widget, FALSE);
+
+  g_signal_emit (self, signals[SIGNAL_ACTIVATED], 0);
+}
+
+void
+cc_multitasking_row_remove (CcMultitaskingRow *self,
+                            GtkWidget         *child)
+{
+  GtkWidget *parent;
+
+  g_return_if_fail (CC_IS_MULTITASKING_ROW (self));
+  g_return_if_fail (GTK_IS_WIDGET (child));
+
+  parent = gtk_widget_get_parent (child);
+
+  if (parent == GTK_WIDGET (self->prefixes))
+    gtk_box_remove (self->prefixes, child);
+  else if (parent == GTK_WIDGET (self->suffixes))
+    gtk_box_remove (self->suffixes, child);
+  else if (parent == GTK_WIDGET (self->artwork_box))
+    gtk_box_remove (self->artwork_box, child);
+  else
+    g_warning ("%p is not a child of %p", child, self);
+}
+