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listitemmanager: Handle selection-changes properly

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The selection model will only emit one of items-changed
or selection-changed, so when we handle an items-changed,
we must assume that selection state may have changed for
any of the newly added items.

This fixes lingering selection state in the visible range
if you change the sorting of the colors demo.

Fixes: #2827
This commit is contained in:
Matthias Clasen 2020-06-06 08:34:46 -04:00
parent a0c489048a
commit 71c29bfcff
1 changed files with 9 additions and 0 deletions
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9
gtk/gtklistitemmanager.c
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@ -395,6 +395,7 @@ gtk_list_item_manager_add_items (GtkListItemManager *self,
if (item == NULL || item->widget)
item = gtk_rb_tree_insert_before (self->items, item);
item->n_items += n_items;
gtk_rb_tree_node_mark_dirty (item);
@ -569,6 +570,12 @@ gtk_list_item_manager_ensure_items (GtkListItemManager *self,
gtk_list_item_manager_release_list_item (self, NULL, widget);
}
static void
gtk_list_item_manager_model_selection_changed_cb (GListModel *model,
guint position,
guint n_items,
GtkListItemManager *self);
static void
gtk_list_item_manager_model_items_changed_cb (GListModel *model,
guint position,
@ -735,6 +742,8 @@ gtk_list_item_manager_model_items_changed_cb (GListModel *model,
g_hash_table_unref (change);
gtk_list_item_manager_model_selection_changed_cb (model, position, added, self);
gtk_widget_queue_resize (self->widget);
}