[gtk/wip/otte/listview: 5/47] listbase: Move selection handling here



commit e78af89a92708d5f2dd9a00e1488b6165321c039
Author: Benjamin Otte <otte redhat com>
Date:   Wed Oct 23 15:02:02 2019 +0200

    listbase: Move selection handling here

 gtk/gtkgridview.c        | 165 ++------------------------------------
 gtk/gtklistbase.c        | 204 +++++++++++++++++++++++++++++++++++++++++++++++
 gtk/gtklistbaseprivate.h |  10 +++
 gtk/gtklistview.c        | 165 ++------------------------------------
 4 files changed, 226 insertions(+), 318 deletions(-)
---
diff --git a/gtk/gtkgridview.c b/gtk/gtkgridview.c
index 15d5471705..8430dfe25e 100644
--- a/gtk/gtkgridview.c
+++ b/gtk/gtkgridview.c
@@ -75,8 +75,6 @@ struct _GtkGridView
   double anchor_yalign;
   guint anchor_xstart : 1;
   guint anchor_ystart : 1;
-  /* the last item that was selected - basically the location to extend selections from */
-  GtkListItemTracker *selected;
   /* the item that has input focus */
   GtkListItemTracker *focus;
 };
@@ -407,25 +405,6 @@ gtk_grid_view_set_anchor (GtkGridView *self,
     }
 }
 
-static void
-gtk_grid_view_select_item (GtkGridView *self,
-                           guint        pos,
-                           gboolean     modify,
-                           gboolean     extend)
-{
-  if (gtk_selection_model_user_select_item (gtk_list_item_manager_get_model (self->item_manager),
-                                            pos,
-                                            modify,
-                                            extend ? gtk_list_item_tracker_get_position (self->item_manager, 
self->selected)
-                                                   : GTK_INVALID_LIST_POSITION))
-    {
-      gtk_list_item_tracker_set_position (self->item_manager,
-                                          self->selected,
-                                          pos,
-                                          0, 0);
-    }
-}
-
 static gboolean
 gtk_grid_view_focus (GtkWidget        *widget,
                      GtkDirectionType  direction)
@@ -473,7 +452,7 @@ moved_focus:
             extend = TRUE;
         }
 
-      gtk_grid_view_select_item (self,
+      gtk_list_base_select_item (GTK_LIST_BASE (self),
                                  gtk_list_item_get_position (GTK_LIST_ITEM (new_focus_child)),
                                  modify,
                                  extend);
@@ -1075,11 +1054,6 @@ gtk_grid_view_dispose (GObject *object)
       gtk_list_item_tracker_free (self->item_manager, self->anchor);
       self->anchor = NULL;
     }
-  if (self->selected)
-    {
-      gtk_list_item_tracker_free (self->item_manager, self->selected);
-      self->selected = NULL;
-    }
   if (self->focus)
     {
       gtk_list_item_tracker_free (self->item_manager, self->focus);
@@ -1171,46 +1145,6 @@ gtk_grid_view_set_property (GObject      *object,
     }
 }
 
-static void
-gtk_grid_view_select_item_action (GtkWidget  *widget,
-                                  const char *action_name,
-                                  GVariant   *parameter)
-{
-  GtkGridView *self = GTK_GRID_VIEW (widget);
-  guint pos;
-  gboolean modify, extend;
-
-  g_variant_get (parameter, "(ubb)", &pos, &modify, &extend);
-
-  gtk_grid_view_select_item (self, pos, modify, extend);
-}
-
-static void
-gtk_grid_view_select_all (GtkWidget  *widget,
-                          const char *action_name,
-                          GVariant   *parameter)
-{
-  GtkGridView *self = GTK_GRID_VIEW (widget);
-  GtkSelectionModel *selection_model;
-
-  selection_model = gtk_list_item_manager_get_model (self->item_manager);
-
-  gtk_selection_model_select_all (selection_model);
-}
-
-static void
-gtk_grid_view_unselect_all (GtkWidget  *widget,
-                            const char *action_name,
-                            GVariant   *parameter)
-{
-  GtkGridView *self = GTK_GRID_VIEW (widget);
-  GtkSelectionModel *selection_model;
-
-  selection_model = gtk_list_item_manager_get_model (self->item_manager);
-
-  gtk_selection_model_unselect_all (selection_model);
-}
-
 static void
 gtk_grid_view_compute_scroll_align (GtkGridView   *self,
                                     GtkOrientation orientation,
@@ -1357,47 +1291,6 @@ gtk_grid_view_activate_item (GtkWidget  *widget,
   g_signal_emit (widget, signals[ACTIVATE], 0, pos);
 }
 
-static void
-gtk_grid_view_move_to (GtkGridView *self,
-                       guint        pos,
-                       gboolean     select,
-                       gboolean     modify,
-                       gboolean     extend)
-{
-  Cell *cell;
-
-  cell = gtk_list_item_manager_get_nth (self->item_manager, pos, NULL);
-  if (cell == NULL)
-    return;
-
-  if (!cell->parent.widget)
-    {
-      GtkListItemTracker *tracker = gtk_list_item_tracker_new (self->item_manager);
-
-      /* We need a tracker here to create the widget.
-       * That needs to have happened or we can't grab it.
-       * And we can't use a different tracker, because they manage important rows,
-       * so we create a temporary one. */
-      gtk_list_item_tracker_set_position (self->item_manager, tracker, pos, 0, 0);
-
-      cell = gtk_list_item_manager_get_nth (self->item_manager, pos, NULL);
-      g_assert (cell->parent.widget);
-
-      if (!gtk_widget_grab_focus (cell->parent.widget))
-          return; /* FIXME: What now? Can this even happen? */
-
-      gtk_list_item_tracker_free (self->item_manager, tracker);
-    }
-  else
-    {
-      if (!gtk_widget_grab_focus (cell->parent.widget))
-          return; /* FIXME: What now? Can this even happen? */
-    }
-
-  if (select)
-    gtk_grid_view_select_item (self, pos, modify, extend);
-}
-
 static void
 gtk_grid_view_move_cursor (GtkWidget *widget,
                            GVariant  *args,
@@ -1433,7 +1326,7 @@ gtk_grid_view_move_cursor (GtkWidget *widget,
         return;
     }
 
-  gtk_grid_view_move_to (self, pos + amount, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), pos + amount, select, modify, extend);
 }
 
 static void
@@ -1449,7 +1342,7 @@ gtk_grid_view_move_cursor_to_start (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_grid_view_move_to (self, 0, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), 0, select, modify, extend);
 }
 
 static void
@@ -1470,7 +1363,7 @@ gtk_grid_view_move_cursor_to_end (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_grid_view_move_to (self, n_items - 1, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), n_items - 1, select, modify, extend);
 }
 
 static void
@@ -1506,7 +1399,7 @@ gtk_grid_view_move_cursor_page_up (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_grid_view_move_to (self, new_pos, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), new_pos, select, modify, extend);
 }
 
 static void
@@ -1557,7 +1450,7 @@ gtk_grid_view_move_cursor_page_down (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_grid_view_move_to (self, new_pos, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), new_pos, select, modify, extend);
 }
 
 static void
@@ -1743,51 +1636,6 @@ gtk_grid_view_class_init (GtkGridViewClass *klass)
                                    "u",
                                    gtk_grid_view_activate_item);
 
-  /**
-   * GtkGridView|list.select-item:
-   * @position: position of item to select
-   * @modify: %TRUE to toggle the existing selection, %FALSE to select
-   * @extend: %TRUE to extend the selection
-   *
-   * Changes selection.
-   *
-   * If @extend is %TRUE and the model supports selecting ranges, the
-   * affected items are all items from the last selected item to the item
-   * in @position.
-   * If @extend is %FALSE or selecting ranges is not supported, only the
-   * item in @position is affected.
-   *
-   * If @modify is %TRUE, the affected items will be set to the same state.
-   * If @modify is %FALSE, the affected items will be selected and
-   * all other items will be deselected.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.select-item",
-                                   "(ubb)",
-                                   gtk_grid_view_select_item_action);
-
-  /**
-   * GtkGridView|list.select-all:
-   *
-   * If the selection model supports it, select all items in the model.
-   * If not, do nothing.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.select-all",
-                                   NULL,
-                                   gtk_grid_view_select_all);
-
-  /**
-   * GtkGridView|list.unselect-all:
-   *
-   * If the selection model supports it, unselect all items in the model.
-   * If not, do nothing.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.unselect-all",
-                                   NULL,
-                                   gtk_grid_view_unselect_all);
-
   /**
    * GtkGridView|list.scroll-to-item:
    * @position: position of item to scroll to
@@ -1837,7 +1685,6 @@ gtk_grid_view_init (GtkGridView *self)
   self->anchor = gtk_list_item_tracker_new (self->item_manager);
   self->anchor_xstart = TRUE;
   self->anchor_ystart = TRUE;
-  self->selected = gtk_list_item_tracker_new (self->item_manager);
   self->focus = gtk_list_item_tracker_new (self->item_manager);
 
   self->min_columns = 1;
diff --git a/gtk/gtklistbase.c b/gtk/gtklistbase.c
index 199d1519e5..f637cdff28 100644
--- a/gtk/gtklistbase.c
+++ b/gtk/gtklistbase.c
@@ -31,6 +31,9 @@ struct _GtkListBasePrivate
   GtkListItemManager *item_manager;
   GtkAdjustment *adjustment[2];
   GtkScrollablePolicy scroll_policy[2];
+
+  /* the last item that was selected - basically the location to extend selections from */
+  GtkListItemTracker *selected;
 };
 
 enum
@@ -84,6 +87,47 @@ gtk_list_base_clear_adjustment (GtkListBase    *self,
   g_clear_object (&priv->adjustment[orientation]);
 }
 
+/*
+ * gtk_list_base_select_item:
+ * @self: a %GtkListBase
+ * @pos: item to select
+ * @modify: %TRUE if the selection should be modified, %FALSE
+ *     if a new selection should be done. This is usually set
+ *     to %TRUE if the user keeps the <Shift> key pressed.
+ * @extend_pos: %TRUE if the selection should be extended.
+ *     Selections are usually extended from the last selected
+ *     position if the user presses the <Ctrl> key.
+ *
+ * Selects the item at @pos according to how GTK list widgets modify
+ * selections, both when clicking rows with the mouse or when using
+ * the keyboard.
+ **/
+void
+gtk_list_base_select_item (GtkListBase *self,
+                           guint        pos,
+                           gboolean     modify,
+                           gboolean     extend)
+{
+  GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+  GtkSelectionModel *model;
+
+  model = gtk_list_item_manager_get_model (priv->item_manager);
+  if (model == NULL)
+    return;
+
+  if (gtk_selection_model_user_select_item (model,
+                                            pos,
+                                            modify,
+                                            extend ? gtk_list_item_tracker_get_position (priv->item_manager, 
priv->selected)
+                                                   : GTK_INVALID_LIST_POSITION))
+    {
+      gtk_list_item_tracker_set_position (priv->item_manager,
+                                          priv->selected,
+                                          pos,
+                                          0, 0);
+    }
+}
+
 static void
 gtk_list_base_dispose (GObject *object)
 {
@@ -93,6 +137,11 @@ gtk_list_base_dispose (GObject *object)
   gtk_list_base_clear_adjustment (self, GTK_ORIENTATION_HORIZONTAL);
   gtk_list_base_clear_adjustment (self, GTK_ORIENTATION_VERTICAL);
 
+  if (priv->selected)
+    {
+      gtk_list_item_tracker_free (priv->item_manager, priv->selected);
+      priv->selected = NULL;
+    }
   g_clear_object (&priv->item_manager);
 
   G_OBJECT_CLASS (gtk_list_base_parent_class)->dispose (object);
@@ -208,9 +257,56 @@ gtk_list_base_set_property (GObject      *object,
     }
 }
 
+static void
+gtk_list_base_select_item_action (GtkWidget  *widget,
+                                  const char *action_name,
+                                  GVariant   *parameter)
+{
+  GtkListBase *self = GTK_LIST_BASE (widget);
+  guint pos;
+  gboolean modify, extend;
+
+  g_variant_get (parameter, "(ubb)", &pos, &modify, &extend);
+
+  gtk_list_base_select_item (self, pos, modify, extend);
+}
+
+static void
+gtk_list_base_select_all (GtkWidget  *widget,
+                          const char *action_name,
+                          GVariant   *parameter)
+{
+  GtkListBase *self = GTK_LIST_BASE (widget);
+  GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+  GtkSelectionModel *selection_model;
+
+  selection_model = gtk_list_item_manager_get_model (priv->item_manager);
+  if (selection_model == NULL)
+    return;
+
+  gtk_selection_model_select_all (selection_model);
+}
+
+static void
+gtk_list_base_unselect_all (GtkWidget  *widget,
+                            const char *action_name,
+                            GVariant   *parameter)
+{
+  GtkListBase *self = GTK_LIST_BASE (widget);
+  GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+  GtkSelectionModel *selection_model;
+
+  selection_model = gtk_list_item_manager_get_model (priv->item_manager);
+  if (selection_model == NULL)
+    return;
+
+  gtk_selection_model_unselect_all (selection_model);
+}
+
 static void
 gtk_list_base_class_init (GtkListBaseClass *klass)
 {
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
   gpointer iface;
 
@@ -234,6 +330,52 @@ gtk_list_base_class_init (GtkListBaseClass *klass)
                              g_object_interface_find_property (iface, "vscroll-policy"));
 
   g_object_class_install_properties (gobject_class, N_PROPS, properties);
+
+  /**
+   * GtkListBase|list.select-item:
+   * @position: position of item to select
+   * @modify: %TRUE to toggle the existing selection, %FALSE to select
+   * @extend: %TRUE to extend the selection
+   *
+   * Changes selection.
+   *
+   * If @extend is %TRUE and the model supports selecting ranges, the
+   * affected items are all items from the last selected item to the item
+   * in @position.
+   * If @extend is %FALSE or selecting ranges is not supported, only the
+   * item in @position is affected.
+   *
+   * If @modify is %TRUE, the affected items will be set to the same state.
+   * If @modify is %FALSE, the affected items will be selected and
+   * all other items will be deselected.
+   */
+  gtk_widget_class_install_action (widget_class,
+                                   "list.select-item",
+                                   "(ubb)",
+                                   gtk_list_base_select_item_action);
+
+  /**
+   * GtkListBase|list.select-all:
+   *
+   * If the selection model supports it, select all items in the model.
+   * If not, do nothing.
+   */
+  gtk_widget_class_install_action (widget_class,
+                                   "list.select-all",
+                                   NULL,
+                                   gtk_list_base_select_all);
+
+  /**
+   * GtkListBase|list.unselect-all:
+   *
+   * If the selection model supports it, unselect all items in the model.
+   * If not, do nothing.
+   */
+  gtk_widget_class_install_action (widget_class,
+                                   "list.unselect-all",
+                                   NULL,
+                                   gtk_list_base_unselect_all);
+
 }
 
 static void
@@ -248,6 +390,8 @@ gtk_list_base_init_real (GtkListBase      *self,
                                                            g_class->list_item_augment_size,
                                                            g_class->list_item_augment_func);
 
+  priv->selected = gtk_list_item_tracker_new (priv->item_manager);
+
   priv->adjustment[GTK_ORIENTATION_HORIZONTAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
   priv->adjustment[GTK_ORIENTATION_VERTICAL] = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
 
@@ -337,3 +481,63 @@ gtk_list_base_get_manager (GtkListBase *self)
   return priv->item_manager;
 }
 
+/*
+ * gtk_list_base_grab_focus_on_item:
+ * @self: a #GtkListBase
+ * @pos: position of the item to focus
+ * @select: %TRUE to select the item
+ * @modify: if selecting, %TRUE to modify the selected
+ *     state, %FALSE to always select
+ * @extend: if selecting, %TRUE to extend the selection,
+ *     %FALSE to only operate on this item
+ *
+ * Tries to grab focus on the given item. If there is no item
+ * at this position or grabbing focus failed, %FALSE will be
+ * returned.
+ *
+ * Returns: %TRUE if focusing the item succeeded
+ **/
+gboolean
+gtk_list_base_grab_focus_on_item (GtkListBase *self,
+                                  guint        pos,
+                                  gboolean     select,
+                                  gboolean     modify,
+                                  gboolean     extend)
+{
+  GtkListBasePrivate *priv = gtk_list_base_get_instance_private (self);
+  GtkListItemManagerItem *item;
+
+  item = gtk_list_item_manager_get_nth (priv->item_manager, pos, NULL);
+  if (item == NULL)
+    return FALSE;
+
+  if (!item->widget)
+    {
+      GtkListItemTracker *tracker = gtk_list_item_tracker_new (priv->item_manager);
+
+      /* We need a tracker here to create the widget.
+       * That needs to have happened or we can't grab it.
+       * And we can't use a different tracker, because they manage important rows,
+       * so we create a temporary one. */
+      gtk_list_item_tracker_set_position (priv->item_manager, tracker, pos, 0, 0);
+
+      item = gtk_list_item_manager_get_nth (priv->item_manager, pos, NULL);
+      g_assert (item->widget);
+
+      if (!gtk_widget_grab_focus (item->widget))
+          return FALSE;
+
+      gtk_list_item_tracker_free (priv->item_manager, tracker);
+    }
+  else
+    {
+      if (!gtk_widget_grab_focus (item->widget))
+          return FALSE;
+    }
+
+  if (select)
+    gtk_list_base_select_item (self, pos, modify, extend);
+
+  return TRUE;
+}
+
diff --git a/gtk/gtklistbaseprivate.h b/gtk/gtklistbaseprivate.h
index 4d0c668291..47fd7f31b8 100644
--- a/gtk/gtklistbaseprivate.h
+++ b/gtk/gtklistbaseprivate.h
@@ -56,4 +56,14 @@ int                    gtk_list_base_set_adjustment_values      (GtkListBase
                                                                  int                     size,
                                                                  int                     page_size);
 
+void                   gtk_list_base_select_item                (GtkListBase            *self,
+                                                                 guint                   pos,
+                                                                 gboolean                modify,
+                                                                 gboolean                extend);
+gboolean               gtk_list_base_grab_focus_on_item         (GtkListBase            *self,
+                                                                 guint                   pos,
+                                                                 gboolean                select,
+                                                                 gboolean                modify,
+                                                                 gboolean                extend);
+
 #endif /* __GTK_LIST_BASE_PRIVATE_H__ */
diff --git a/gtk/gtklistview.c b/gtk/gtklistview.c
index 411bca0e70..5edefee409 100644
--- a/gtk/gtklistview.c
+++ b/gtk/gtklistview.c
@@ -70,8 +70,6 @@ struct _GtkListView
   GtkListItemTracker *anchor;
   double anchor_align;
   gboolean anchor_start;
-  /* the last item that was selected - basically the location to extend selections from */
-  GtkListItemTracker *selected;
   /* the item that has input focus */
   GtkListItemTracker *focus;
 };
@@ -695,25 +693,6 @@ gtk_list_view_size_allocate (GtkWidget *widget,
     }
 }
 
-static void
-gtk_list_view_select_item (GtkListView *self,
-                           guint        pos,
-                           gboolean     modify,
-                           gboolean     extend)
-{
-  if (gtk_selection_model_user_select_item (gtk_list_item_manager_get_model (self->item_manager),
-                                            pos,
-                                            modify,
-                                            extend ? gtk_list_item_tracker_get_position (self->item_manager, 
self->selected)
-                                                   : GTK_INVALID_LIST_POSITION))
-    {
-      gtk_list_item_tracker_set_position (self->item_manager,
-                                          self->selected,
-                                          pos,
-                                          0, 0);
-    }
-}
-
 static gboolean
 gtk_list_view_focus (GtkWidget        *widget,
                      GtkDirectionType  direction)
@@ -761,7 +740,7 @@ moved_focus:
             extend = TRUE;
         }
 
-      gtk_list_view_select_item (self,
+      gtk_list_base_select_item (GTK_LIST_BASE (self),
                                  gtk_list_item_get_position (GTK_LIST_ITEM (new_focus_child)),
                                  modify,
                                  extend);
@@ -782,11 +761,6 @@ gtk_list_view_dispose (GObject *object)
       gtk_list_item_tracker_free (self->item_manager, self->anchor);
       self->anchor = NULL;
     }
-  if (self->selected)
-    {
-      gtk_list_item_tracker_free (self->item_manager, self->selected);
-      self->selected = NULL;
-    }
   if (self->focus)
     {
       gtk_list_item_tracker_free (self->item_manager, self->focus);
@@ -870,46 +844,6 @@ gtk_list_view_set_property (GObject      *object,
     }
 }
 
-static void
-gtk_list_view_select_item_action (GtkWidget  *widget,
-                                  const char *action_name,
-                                  GVariant   *parameter)
-{
-  GtkListView *self = GTK_LIST_VIEW (widget);
-  guint pos;
-  gboolean modify, extend;
-
-  g_variant_get (parameter, "(ubb)", &pos, &modify, &extend);
-
-  gtk_list_view_select_item (self, pos, modify, extend);
-}
-
-static void
-gtk_list_view_select_all (GtkWidget  *widget,
-                          const char *action_name,
-                          GVariant   *parameter)
-{
-  GtkListView *self = GTK_LIST_VIEW (widget);
-  GtkSelectionModel *selection_model;
-
-  selection_model = gtk_list_item_manager_get_model (self->item_manager);
-
-  gtk_selection_model_select_all (selection_model);
-}
-
-static void
-gtk_list_view_unselect_all (GtkWidget  *widget,
-                            const char *action_name,
-                            GVariant   *parameter)
-{
-  GtkListView *self = GTK_LIST_VIEW (widget);
-  GtkSelectionModel *selection_model;
-
-  selection_model = gtk_list_item_manager_get_model (self->item_manager);
-
-  gtk_selection_model_unselect_all (selection_model);
-}
-
 static void
 gtk_list_view_update_focus_tracker (GtkListView *self)
 {
@@ -1049,47 +983,6 @@ gtk_list_view_activate_item (GtkWidget  *widget,
   g_signal_emit (widget, signals[ACTIVATE], 0, pos);
 }
 
-static void
-gtk_list_view_move_to (GtkListView *self,
-                       guint        pos,
-                       gboolean     select,
-                       gboolean     modify,
-                       gboolean     extend)
-{
-  ListRow *row;
-
-  row = gtk_list_item_manager_get_nth (self->item_manager, pos, NULL);
-  if (row == NULL)
-    return;
-
-  if (!row->parent.widget)
-    {
-      GtkListItemTracker *tracker = gtk_list_item_tracker_new (self->item_manager);
-
-      /* We need a tracker here to create the widget.
-       * That needs to have happened or we can't grab it.
-       * And we can't use a different tracker, because they manage important rows,
-       * so we create a temporary one. */
-      gtk_list_item_tracker_set_position (self->item_manager, tracker, pos, 0, 0);
-
-      row = gtk_list_item_manager_get_nth (self->item_manager, pos, NULL);
-      g_assert (row->parent.widget);
-
-      if (!gtk_widget_grab_focus (row->parent.widget))
-          return; /* FIXME: What now? Can this even happen? */
-
-      gtk_list_item_tracker_free (self->item_manager, tracker);
-    }
-  else
-    {
-      if (!gtk_widget_grab_focus (row->parent.widget))
-          return; /* FIXME: What now? Can this even happen? */
-    }
-
-  if (select)
-    gtk_list_view_select_item (self, pos, modify, extend);
-}
-
 static void
 gtk_list_view_move_cursor (GtkWidget *widget,
                            GVariant  *args,
@@ -1120,7 +1013,7 @@ gtk_list_view_move_cursor (GtkWidget *widget,
   if (new_pos >= n_items)
     return;
 
-  gtk_list_view_move_to (self, new_pos, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), new_pos, select, modify, extend);
 }
 
 static void
@@ -1136,7 +1029,7 @@ gtk_list_view_move_cursor_to_start (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_list_view_move_to (self, 0, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), 0, select, modify, extend);
 }
 
 static void
@@ -1157,7 +1050,7 @@ gtk_list_view_move_cursor_to_end (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_list_view_move_to (self, n_items - 1, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), n_items - 1, select, modify, extend);
 }
 
 static void
@@ -1201,7 +1094,7 @@ gtk_list_view_move_cursor_page_up (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_list_view_move_to (self, pos, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), pos, select, modify, extend);
 }
 
 static void
@@ -1244,7 +1137,7 @@ gtk_list_view_move_cursor_page_down (GtkWidget *widget,
 
   g_variant_get (args, "(bbb)", &select, &modify, &extend);
 
-  gtk_list_view_move_to (self, pos, select, modify, extend);
+  gtk_list_base_grab_focus_on_item (GTK_LIST_BASE (self), pos, select, modify, extend);
 }
 
 static void
@@ -1414,51 +1307,6 @@ gtk_list_view_class_init (GtkListViewClass *klass)
                                    "u",
                                    gtk_list_view_activate_item);
 
-  /**
-   * GtkListView|list.select-item:
-   * @position: position of item to select
-   * @modify: %TRUE to toggle the existing selection, %FALSE to select
-   * @extend: %TRUE to extend the selection
-   *
-   * Changes selection.
-   *
-   * If @extend is %TRUE and the model supports selecting ranges, the
-   * affected items are all items from the last selected item to the item
-   * in @position.
-   * If @extend is %FALSE or selecting ranges is not supported, only the
-   * item in @position is affected.
-   *
-   * If @modify is %TRUE, the affected items will be set to the same state.
-   * If @modify is %FALSE, the affected items will be selected and
-   * all other items will be deselected.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.select-item",
-                                   "(ubb)",
-                                   gtk_list_view_select_item_action);
-
-  /**
-   * GtkListView|list.select-all:
-   *
-   * If the selection model supports it, select all items in the model.
-   * If not, do nothing.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.select-all",
-                                   NULL,
-                                   gtk_list_view_select_all);
-
-  /**
-   * GtkListView|list.unselect-all:
-   *
-   * If the selection model supports it, unselect all items in the model.
-   * If not, do nothing.
-   */
-  gtk_widget_class_install_action (widget_class,
-                                   "list.unselect-all",
-                                   NULL,
-                                   gtk_list_view_unselect_all);
-
   /**
    * GtkListView|list.scroll-to-item:
    * @position: position of item to scroll to
@@ -1506,7 +1354,6 @@ gtk_list_view_init (GtkListView *self)
   self->item_manager = gtk_list_base_get_manager (GTK_LIST_BASE (self));
   self->focus = gtk_list_item_tracker_new (self->item_manager);
   self->anchor = gtk_list_item_tracker_new (self->item_manager);
-  self->selected = gtk_list_item_tracker_new (self->item_manager);
   self->orientation = GTK_ORIENTATION_VERTICAL;
 }
 


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]