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-rw-r--r--app/widgets/gimpcontainertreestore.c612
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diff --git a/app/widgets/gimpcontainertreestore.c b/app/widgets/gimpcontainertreestore.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcontainertreestore.c
+ * Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "widgets-types.h"
+
+#include "core/gimpcontainer.h"
+#include "core/gimpviewable.h"
+
+#include "gimpcellrendererviewable.h"
+#include "gimpcontainertreestore.h"
+#include "gimpcontainerview.h"
+#include "gimpviewrenderer.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_CONTAINER_VIEW,
+ PROP_USE_NAME
+};
+
+
+typedef struct _GimpContainerTreeStorePrivate GimpContainerTreeStorePrivate;
+
+struct _GimpContainerTreeStorePrivate
+{
+ GimpContainerView *container_view;
+ GList *renderer_cells;
+ gboolean use_name;
+};
+
+#define GET_PRIVATE(store) \
+ ((GimpContainerTreeStorePrivate *) gimp_container_tree_store_get_instance_private ((GimpContainerTreeStore *) (store)))
+
+
+static void gimp_container_tree_store_constructed (GObject *object);
+static void gimp_container_tree_store_finalize (GObject *object);
+static void gimp_container_tree_store_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_container_tree_store_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_container_tree_store_set (GimpContainerTreeStore *store,
+ GtkTreeIter *iter,
+ GimpViewable *viewable);
+static void gimp_container_tree_store_renderer_update (GimpViewRenderer *renderer,
+ GimpContainerTreeStore *store);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpContainerTreeStore, gimp_container_tree_store,
+ GTK_TYPE_TREE_STORE)
+
+#define parent_class gimp_container_tree_store_parent_class
+
+
+static void
+gimp_container_tree_store_class_init (GimpContainerTreeStoreClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_container_tree_store_constructed;
+ object_class->finalize = gimp_container_tree_store_finalize;
+ object_class->set_property = gimp_container_tree_store_set_property;
+ object_class->get_property = gimp_container_tree_store_get_property;
+
+ g_object_class_install_property (object_class, PROP_CONTAINER_VIEW,
+ g_param_spec_object ("container-view",
+ NULL, NULL,
+ GIMP_TYPE_CONTAINER_VIEW,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_USE_NAME,
+ g_param_spec_boolean ("use-name",
+ NULL, NULL,
+ FALSE,
+ GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_container_tree_store_init (GimpContainerTreeStore *store)
+{
+}
+
+static void
+gimp_container_tree_store_constructed (GObject *object)
+{
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+}
+
+static void
+gimp_container_tree_store_finalize (GObject *object)
+{
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (object);
+
+ if (private->renderer_cells)
+ {
+ g_list_free (private->renderer_cells);
+ private->renderer_cells = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_container_tree_store_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTAINER_VIEW:
+ private->container_view = g_value_get_object (value); /* don't ref */
+ break;
+ case PROP_USE_NAME:
+ private->use_name = g_value_get_boolean (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_container_tree_store_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (object);
+
+ switch (property_id)
+ {
+ case PROP_CONTAINER_VIEW:
+ g_value_set_object (value, private->container_view);
+ break;
+ case PROP_USE_NAME:
+ g_value_set_boolean (value, private->use_name);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+
+/* public functions */
+
+GtkTreeModel *
+gimp_container_tree_store_new (GimpContainerView *container_view,
+ gint n_columns,
+ GType *types)
+{
+ GimpContainerTreeStore *store;
+
+ g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (container_view), NULL);
+ g_return_val_if_fail (n_columns >= GIMP_CONTAINER_TREE_STORE_N_COLUMNS, NULL);
+ g_return_val_if_fail (types != NULL, NULL);
+
+ store = g_object_new (GIMP_TYPE_CONTAINER_TREE_STORE,
+ "container-view", container_view,
+ NULL);
+
+ gtk_tree_store_set_column_types (GTK_TREE_STORE (store), n_columns, types);
+
+ return GTK_TREE_MODEL (store);
+}
+
+void
+gimp_container_tree_store_add_renderer_cell (GimpContainerTreeStore *store,
+ GtkCellRenderer *cell)
+{
+ GimpContainerTreeStorePrivate *private;
+
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+ g_return_if_fail (GIMP_IS_CELL_RENDERER_VIEWABLE (cell));
+
+ private = GET_PRIVATE (store);
+
+ private->renderer_cells = g_list_prepend (private->renderer_cells, cell);
+}
+
+void
+gimp_container_tree_store_set_use_name (GimpContainerTreeStore *store,
+ gboolean use_name)
+{
+ GimpContainerTreeStorePrivate *private;
+
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+
+ private = GET_PRIVATE (store);
+
+ if (private->use_name != use_name)
+ {
+ private->use_name = use_name ? TRUE : FALSE;
+ g_object_notify (G_OBJECT (store), "use-name");
+ }
+}
+
+gboolean
+gimp_container_tree_store_get_use_name (GimpContainerTreeStore *store)
+{
+ g_return_val_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store), FALSE);
+
+ return GET_PRIVATE (store)->use_name;
+}
+
+static gboolean
+gimp_container_tree_store_set_context_foreach (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ GimpContext *context = data;
+ GimpViewRenderer *renderer;
+
+ gtk_tree_model_get (model, iter,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
+ -1);
+
+ gimp_view_renderer_set_context (renderer, context);
+
+ g_object_unref (renderer);
+
+ return FALSE;
+}
+
+void
+gimp_container_tree_store_set_context (GimpContainerTreeStore *store,
+ GimpContext *context)
+{
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (store),
+ gimp_container_tree_store_set_context_foreach,
+ context);
+}
+
+GtkTreeIter *
+gimp_container_tree_store_insert_item (GimpContainerTreeStore *store,
+ GimpViewable *viewable,
+ GtkTreeIter *parent,
+ gint index)
+{
+ GtkTreeIter iter;
+
+ g_return_val_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store), NULL);
+
+ if (index == -1)
+ gtk_tree_store_append (GTK_TREE_STORE (store), &iter, parent);
+ else
+ gtk_tree_store_insert (GTK_TREE_STORE (store), &iter, parent, index);
+
+ gimp_container_tree_store_set (store, &iter, viewable);
+
+ return gtk_tree_iter_copy (&iter);
+}
+
+void
+gimp_container_tree_store_remove_item (GimpContainerTreeStore *store,
+ GimpViewable *viewable,
+ GtkTreeIter *iter)
+{
+ if (iter)
+ {
+ GtkTreeModel *model = GTK_TREE_MODEL (store);
+ GtkTreePath *path;
+
+ /* emit a "row-changed" signal for 'iter', so that editing of
+ * corresponding tree-view rows is canceled. otherwise, if we remove the
+ * item while a corresponding row is being edited, bad things happen (see
+ * bug #792991).
+ */
+ path = gtk_tree_model_get_path (model, iter);
+ gtk_tree_model_row_changed (model, path, iter);
+ gtk_tree_path_free (path);
+
+ gtk_tree_store_remove (GTK_TREE_STORE (store), iter);
+
+ /* If the store is empty after this remove, clear out renderers
+ * from all cells so they don't keep refing the viewables
+ * (see bug #149906).
+ */
+ if (! gtk_tree_model_iter_n_children (model, NULL))
+ {
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (store);
+ GList *list;
+
+ for (list = private->renderer_cells; list; list = list->next)
+ g_object_set (list->data, "renderer", NULL, NULL);
+ }
+ }
+}
+
+void
+gimp_container_tree_store_reorder_item (GimpContainerTreeStore *store,
+ GimpViewable *viewable,
+ gint new_index,
+ GtkTreeIter *iter)
+{
+ GimpContainerTreeStorePrivate *private;
+ GimpViewable *parent;
+ GimpContainer *container;
+
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+
+ private = GET_PRIVATE (store);
+
+ if (! iter)
+ return;
+
+ parent = gimp_viewable_get_parent (viewable);
+
+ if (parent)
+ container = gimp_viewable_get_children (parent);
+ else
+ container = gimp_container_view_get_container (private->container_view);
+
+ if (new_index == -1 ||
+ new_index == gimp_container_get_n_children (container) - 1)
+ {
+ gtk_tree_store_move_before (GTK_TREE_STORE (store), iter, NULL);
+ }
+ else if (new_index == 0)
+ {
+ gtk_tree_store_move_after (GTK_TREE_STORE (store), iter, NULL);
+ }
+ else
+ {
+ GtkTreePath *path;
+ GtkTreeIter place_iter;
+ gint depth;
+ gint *indices;
+ gint old_index;
+
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), iter);
+ indices = gtk_tree_path_get_indices (path);
+
+ depth = gtk_tree_path_get_depth (path);
+
+ old_index = indices[depth - 1];
+
+ if (new_index != old_index)
+ {
+ indices[depth - 1] = new_index;
+
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &place_iter, path);
+
+ if (new_index > old_index)
+ gtk_tree_store_move_after (GTK_TREE_STORE (store),
+ iter, &place_iter);
+ else
+ gtk_tree_store_move_before (GTK_TREE_STORE (store),
+ iter, &place_iter);
+ }
+
+ gtk_tree_path_free (path);
+ }
+}
+
+gboolean
+gimp_container_tree_store_rename_item (GimpContainerTreeStore *store,
+ GimpViewable *viewable,
+ GtkTreeIter *iter)
+{
+ gboolean new_name_shorter = FALSE;
+
+ g_return_val_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store), FALSE);
+
+ if (iter)
+ {
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (store);
+ gchar *name;
+ gchar *old_name;
+
+ if (private->use_name)
+ name = (gchar *) gimp_object_get_name (viewable);
+ else
+ name = gimp_viewable_get_description (viewable, NULL);
+
+ gtk_tree_model_get (GTK_TREE_MODEL (store), iter,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, &old_name,
+ -1);
+
+ gtk_tree_store_set (GTK_TREE_STORE (store), iter,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, name,
+ -1);
+
+ if (name && old_name && strlen (name) < strlen (old_name))
+ new_name_shorter = TRUE;
+
+ if (! private->use_name)
+ g_free (name);
+
+ g_free (old_name);
+ }
+
+ return new_name_shorter;
+}
+
+void
+gimp_container_tree_store_clear_items (GimpContainerTreeStore *store)
+{
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+
+ gtk_tree_store_clear (GTK_TREE_STORE (store));
+
+ /* If the store is empty after this remove, clear out renderers
+ * from all cells so they don't keep refing the viewables
+ * (see bug #149906).
+ */
+ if (! gtk_tree_model_iter_n_children (GTK_TREE_MODEL (store), NULL))
+ {
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (store);
+ GList *list;
+
+ for (list = private->renderer_cells; list; list = list->next)
+ g_object_set (list->data, "renderer", NULL, NULL);
+ }
+}
+
+typedef struct
+{
+ gint view_size;
+ gint border_width;
+} SetSizeForeachData;
+
+static gboolean
+gimp_container_tree_store_set_view_size_foreach (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ SetSizeForeachData *size_data = data;
+ GimpViewRenderer *renderer;
+
+ gtk_tree_model_get (model, iter,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
+ -1);
+
+ gimp_view_renderer_set_size (renderer,
+ size_data->view_size,
+ size_data->border_width);
+
+ g_object_unref (renderer);
+
+ return FALSE;
+}
+
+void
+gimp_container_tree_store_set_view_size (GimpContainerTreeStore *store)
+{
+ GimpContainerTreeStorePrivate *private;
+ SetSizeForeachData size_data;
+
+ g_return_if_fail (GIMP_IS_CONTAINER_TREE_STORE (store));
+
+ private = GET_PRIVATE (store);
+
+ size_data.view_size =
+ gimp_container_view_get_view_size (private->container_view,
+ &size_data.border_width);
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (store),
+ gimp_container_tree_store_set_view_size_foreach,
+ &size_data);
+}
+
+
+/* private functions */
+
+void
+gimp_container_tree_store_columns_init (GType *types,
+ gint *n_types)
+{
+ g_return_if_fail (types != NULL);
+ g_return_if_fail (n_types != NULL);
+ g_return_if_fail (*n_types == 0);
+
+ gimp_assert (GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER ==
+ gimp_container_tree_store_columns_add (types, n_types,
+ GIMP_TYPE_VIEW_RENDERER));
+
+ gimp_assert (GIMP_CONTAINER_TREE_STORE_COLUMN_NAME ==
+ gimp_container_tree_store_columns_add (types, n_types,
+ G_TYPE_STRING));
+
+ gimp_assert (GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_ATTRIBUTES ==
+ gimp_container_tree_store_columns_add (types, n_types,
+ PANGO_TYPE_ATTR_LIST));
+
+ gimp_assert (GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE ==
+ gimp_container_tree_store_columns_add (types, n_types,
+ G_TYPE_BOOLEAN));
+
+ gimp_assert (GIMP_CONTAINER_TREE_STORE_COLUMN_USER_DATA ==
+ gimp_container_tree_store_columns_add (types, n_types,
+ G_TYPE_POINTER));
+}
+
+gint
+gimp_container_tree_store_columns_add (GType *types,
+ gint *n_types,
+ GType type)
+{
+ g_return_val_if_fail (types != NULL, 0);
+ g_return_val_if_fail (n_types != NULL, 0);
+ g_return_val_if_fail (*n_types >= 0, 0);
+
+ types[*n_types] = type;
+ (*n_types)++;
+
+ return *n_types - 1;
+}
+
+static void
+gimp_container_tree_store_set (GimpContainerTreeStore *store,
+ GtkTreeIter *iter,
+ GimpViewable *viewable)
+{
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (store);
+ GimpContext *context;
+ GimpViewRenderer *renderer;
+ gchar *name;
+ gint view_size;
+ gint border_width;
+
+ context = gimp_container_view_get_context (private->container_view);
+
+ view_size = gimp_container_view_get_view_size (private->container_view,
+ &border_width);
+
+ renderer = gimp_view_renderer_new (context,
+ G_TYPE_FROM_INSTANCE (viewable),
+ view_size, border_width,
+ FALSE);
+ gimp_view_renderer_set_viewable (renderer, viewable);
+ gimp_view_renderer_remove_idle (renderer);
+
+ g_signal_connect (renderer, "update",
+ G_CALLBACK (gimp_container_tree_store_renderer_update),
+ store);
+
+ if (private->use_name)
+ name = (gchar *) gimp_object_get_name (viewable);
+ else
+ name = gimp_viewable_get_description (viewable, NULL);
+
+ gtk_tree_store_set (GTK_TREE_STORE (store), iter,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, renderer,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, name,
+ GIMP_CONTAINER_TREE_STORE_COLUMN_NAME_SENSITIVE, TRUE,
+ -1);
+
+ if (! private->use_name)
+ g_free (name);
+
+ g_object_unref (renderer);
+}
+
+static void
+gimp_container_tree_store_renderer_update (GimpViewRenderer *renderer,
+ GimpContainerTreeStore *store)
+{
+ GimpContainerTreeStorePrivate *private = GET_PRIVATE (store);
+ GtkTreeIter *iter;
+
+ iter = gimp_container_view_lookup (private->container_view,
+ renderer->viewable);
+
+ if (iter)
+ {
+ GtkTreePath *path;
+
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), iter);
+ gtk_tree_model_row_changed (GTK_TREE_MODEL (store), path, iter);
+ gtk_tree_path_free (path);
+ }
+}
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