public LayersListWidget()
{
SetSizeRequest (200, 300);
SetPolicy (PolicyType.Automatic, PolicyType.Automatic);
tree = new TreeView ();
tree.HeadersVisible = false;
tree.FixedHeightMode = true;
tree.Reorderable = false;
tree.EnableGridLines = TreeViewGridLines.None;
tree.EnableTreeLines = false;
tree.ShowExpanders = false;
var crs = new CellRendererSurface (thumbnail_width, thumbnail_height);
var col = new TreeViewColumn ("Thumbnail", crs, "surface", store_index_thumbnail);
col.Sizing = TreeViewColumnSizing.Fixed;
col.FixedWidth = thumbnail_column_width;
tree.AppendColumn (col);
col = new TreeViewColumn ("Name", new CellRendererText (), "text", store_index_name);
col.Sizing = TreeViewColumnSizing.Fixed;
col.Expand = true;
col.MinWidth = name_column_min_width;
col.MaxWidth = name_column_max_width;
tree.AppendColumn (col);
var crt = new CellRendererToggle ();
crt.Activatable = true;
crt.Toggled += LayerVisibilityToggled;
col = new TreeViewColumn ("Visible", crt, "active", store_index_visibility);
col.Sizing = TreeViewColumnSizing.Fixed;
col.FixedWidth = visibility_column_width;
tree.AppendColumn (col);
store = new TreeStore (typeof (Cairo.ImageSurface), typeof (string), typeof (bool), typeof (Layer));
tree.Model = store;
tree.RowActivated += HandleRowActivated;
Add (tree);
PintaCore.Layers.LayerAdded += HandleLayerAddedOrRemoved;
PintaCore.Layers.LayerRemoved += HandleLayerAddedOrRemoved;
PintaCore.Layers.SelectedLayerChanged += HandleSelectedLayerChanged;
PintaCore.Layers.LayerPropertyChanged += HandlePintaCoreLayersLayerPropertyChanged;
PintaCore.History.HistoryItemAdded += HandleHistoryItemAdded;
PintaCore.History.ActionRedone += HandleHistoryItemAdded;
PintaCore.History.ActionUndone += HandleHistoryItemAdded;
tree.CursorChanged += HandleLayerSelected;
ShowAll ();
}
