/* * Copyright (C) 2002 Jorn Baayen * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Id$ */ #include #include #include #include #include #include #include "ephy-node-filter.h" #include "ephy-tree-model-node.h" #include "ephy-stock-icons.h" #include "ephy-node.h" #include "ephy-debug.h" static void ephy_tree_model_node_class_init (EphyTreeModelNodeClass *klass); static void ephy_tree_model_node_init (EphyTreeModelNode *model); static void ephy_tree_model_node_finalize (GObject *object); static void ephy_tree_model_node_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void ephy_tree_model_node_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static guint ephy_tree_model_node_get_flags (GtkTreeModel *tree_model); static gboolean ephy_tree_model_node_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); static GtkTreePath *ephy_tree_model_node_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter); static gboolean ephy_tree_model_node_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter); static gboolean ephy_tree_model_node_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); static gboolean ephy_tree_model_node_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter); static int ephy_tree_model_node_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter); static gboolean ephy_tree_model_node_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, int n); static gboolean ephy_tree_model_node_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); static void ephy_tree_model_node_tree_model_init (GtkTreeModelIface *iface); static void root_child_removed_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model); static void root_child_added_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model); static void root_child_changed_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model); static void root_children_reordered_cb (EphyNode *node, int *new_order, EphyTreeModelNode *model); static inline void ephy_tree_model_node_update_node (EphyTreeModelNode *model, EphyNode *node, int idx); static void root_destroyed_cb (EphyNode *node, EphyTreeModelNode *model); static inline GtkTreePath *get_path_real (EphyTreeModelNode *model, EphyNode *node); struct EphyTreeModelNodePrivate { EphyNode *root; EphyNodeFilter *filter; GPtrArray *columns; int columns_num; }; typedef struct { GType type; int prop_id; EphyTreeModelNodeValueFunc func; gpointer user_data; } EphyTreeModelNodeColData; enum { PROP_0, PROP_ROOT, PROP_FILTER }; static GObjectClass *parent_class = NULL; GType ephy_tree_model_node_get_type (void) { static GType ephy_tree_model_node_type = 0; if (ephy_tree_model_node_type == 0) { static const GTypeInfo our_info = { sizeof (EphyTreeModelNodeClass), NULL, NULL, (GClassInitFunc) ephy_tree_model_node_class_init, NULL, NULL, sizeof (EphyTreeModelNode), 0, (GInstanceInitFunc) ephy_tree_model_node_init }; static const GInterfaceInfo tree_model_info = { (GInterfaceInitFunc) ephy_tree_model_node_tree_model_init, NULL, NULL }; ephy_tree_model_node_type = g_type_register_static (G_TYPE_OBJECT, "EphyTreeModelNode", &our_info, 0); g_type_add_interface_static (ephy_tree_model_node_type, GTK_TYPE_TREE_MODEL, &tree_model_info); } return ephy_tree_model_node_type; } static void ephy_tree_model_node_class_init (EphyTreeModelNodeClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = ephy_tree_model_node_finalize; object_class->set_property = ephy_tree_model_node_set_property; object_class->get_property = ephy_tree_model_node_get_property; g_object_class_install_property (object_class, PROP_ROOT, g_param_spec_object ("root", "Root node", "Root node", EPHY_TYPE_NODE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); g_object_class_install_property (object_class, PROP_FILTER, g_param_spec_object ("filter", "Filter object", "Filter object", EPHY_TYPE_NODE_FILTER, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); } static void ephy_tree_model_node_init (EphyTreeModelNode *model) { GtkWidget *dummy; do { model->stamp = g_random_int (); } while (model->stamp == 0); model->priv = g_new0 (EphyTreeModelNodePrivate, 1); dummy = gtk_tree_view_new (); gtk_widget_destroy (dummy); model->priv->columns = g_ptr_array_new (); model->priv->columns_num = EPHY_TREE_MODEL_NODE_BUILTIN_COLUMNS; } static void ephy_tree_model_node_finalize (GObject *object) { EphyTreeModelNode *model; g_return_if_fail (object != NULL); g_return_if_fail (EPHY_IS_TREE_MODEL_NODE (object)); model = EPHY_TREE_MODEL_NODE (object); g_return_if_fail (model->priv != NULL); g_ptr_array_free (model->priv->columns, TRUE); g_free (model->priv); G_OBJECT_CLASS (parent_class)->finalize (object); } static void filter_changed_cb (EphyNodeFilter *filter, EphyTreeModelNode *model) { GPtrArray *kids; int i; kids = ephy_node_get_children (model->priv->root); for (i = 0; i < kids->len; i++) { ephy_tree_model_node_update_node (model, g_ptr_array_index (kids, i), i); } ephy_node_thaw (model->priv->root); } static void ephy_tree_model_node_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (object); switch (prop_id) { case PROP_ROOT: model->priv->root = g_value_get_object (value); g_signal_connect_object (G_OBJECT (model->priv->root), "child_added", G_CALLBACK (root_child_added_cb), G_OBJECT (model), 0); g_signal_connect_object (G_OBJECT (model->priv->root), "child_removed", G_CALLBACK (root_child_removed_cb), G_OBJECT (model), 0); g_signal_connect_object (G_OBJECT (model->priv->root), "child_changed", G_CALLBACK (root_child_changed_cb), G_OBJECT (model), 0); g_signal_connect_object (G_OBJECT (model->priv->root), "children_reordered", G_CALLBACK (root_children_reordered_cb), G_OBJECT (model), 0); g_signal_connect_object (G_OBJECT (model->priv->root), "destroyed", G_CALLBACK (root_destroyed_cb), G_OBJECT (model), 0); break; case PROP_FILTER: model->priv->filter = g_value_get_object (value); if (model->priv->filter != NULL) { g_signal_connect_object (G_OBJECT (model->priv->filter), "changed", G_CALLBACK (filter_changed_cb), G_OBJECT (model), 0); } break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void ephy_tree_model_node_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (object); switch (prop_id) { case PROP_ROOT: g_value_set_object (value, model->priv->root); break; case PROP_FILTER: g_value_set_object (value, model->priv->filter); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } EphyTreeModelNode * ephy_tree_model_node_new (EphyNode *root, EphyNodeFilter *filter) { EphyTreeModelNode *model; model = EPHY_TREE_MODEL_NODE (g_object_new (EPHY_TYPE_TREE_MODEL_NODE, "filter", filter, "root", root, NULL)); g_return_val_if_fail (model->priv != NULL, NULL); return model; } int ephy_tree_model_node_add_prop_column (EphyTreeModelNode *model, GType value_type, int prop_id) { EphyTreeModelNodeColData *col; col = g_new0 (EphyTreeModelNodeColData, 1); col->prop_id = prop_id; col->type = value_type; col->func = NULL; col->user_data = NULL; g_ptr_array_add (model->priv->columns, col); model->priv->columns_num++; return model->priv->columns_num; } int ephy_tree_model_node_add_func_column (EphyTreeModelNode *model, GType value_type, EphyTreeModelNodeValueFunc func, gpointer user_data) { EphyTreeModelNodeColData *col; col = g_new0 (EphyTreeModelNodeColData, 1); col->prop_id = -1; col->type = value_type; col->func = func; col->user_data = user_data; g_ptr_array_add (model->priv->columns, col); model->priv->columns_num++; return model->priv->columns_num; } static int ephy_tree_model_node_get_n_columns (GtkTreeModel *tree_model) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); return model->priv->columns_num; } static GType ephy_tree_model_node_get_column_type (GtkTreeModel *tree_model, int index) { int list_index; EphyTreeModelNodeColData *col; EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); if (index == EPHY_TREE_MODEL_NODE_COL_VISIBLE) return G_TYPE_BOOLEAN; list_index = index - EPHY_TREE_MODEL_NODE_BUILTIN_COLUMNS - 1; col = g_ptr_array_index (model->priv->columns, list_index); return col->type; } static void ephy_tree_model_node_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, int column, GValue *value) { int list_index; EphyTreeModelNodeColData *col; EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); EphyNode *node; g_return_if_fail (EPHY_IS_TREE_MODEL_NODE (tree_model)); g_return_if_fail (iter != NULL); g_return_if_fail (iter->stamp == model->stamp); g_return_if_fail (EPHY_IS_NODE (iter->user_data)); if (model->priv->root == NULL) return; node = EPHY_NODE (iter->user_data); if (column == EPHY_TREE_MODEL_NODE_COL_VISIBLE) { g_value_init (value, G_TYPE_BOOLEAN); if (model->priv->filter != NULL) { g_value_set_boolean (value, ephy_node_filter_evaluate (model->priv->filter, node)); } else { g_value_set_boolean (value, TRUE); } } else { list_index = column - EPHY_TREE_MODEL_NODE_BUILTIN_COLUMNS - 1; col = g_ptr_array_index (model->priv->columns, list_index); g_return_if_fail (col != NULL); if (col->prop_id >= 0) { ephy_node_get_property (node, col->prop_id, value); } else { col->func (node, value, col->user_data); } } } static void ephy_tree_model_node_tree_model_init (GtkTreeModelIface *iface) { iface->get_flags = ephy_tree_model_node_get_flags; iface->get_iter = ephy_tree_model_node_get_iter; iface->get_path = ephy_tree_model_node_get_path; iface->iter_next = ephy_tree_model_node_iter_next; iface->iter_children = ephy_tree_model_node_iter_children; iface->iter_has_child = ephy_tree_model_node_iter_has_child; iface->iter_n_children = ephy_tree_model_node_iter_n_children; iface->iter_nth_child = ephy_tree_model_node_iter_nth_child; iface->iter_parent = ephy_tree_model_node_iter_parent; iface->get_n_columns = ephy_tree_model_node_get_n_columns; iface->get_column_type = ephy_tree_model_node_get_column_type; iface->get_value = ephy_tree_model_node_get_value; } static guint ephy_tree_model_node_get_flags (GtkTreeModel *tree_model) { return 0; } static gboolean ephy_tree_model_node_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); int i; g_return_val_if_fail (EPHY_IS_TREE_MODEL_NODE (model), FALSE); g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE); if (model->priv->root == NULL) return FALSE; i = gtk_tree_path_get_indices (path)[0]; iter->stamp = model->stamp; iter->user_data = ephy_node_get_nth_child (model->priv->root, i); if (iter->user_data == NULL) { iter->stamp = 0; return FALSE; } return TRUE; } static inline GtkTreePath * get_path_real (EphyTreeModelNode *model, EphyNode *node) { GtkTreePath *retval; retval = gtk_tree_path_new (); gtk_tree_path_append_index (retval, ephy_node_get_child_index (model->priv->root, node)); return retval; } static GtkTreePath * ephy_tree_model_node_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); EphyNode *node; g_return_val_if_fail (EPHY_IS_TREE_MODEL_NODE (tree_model), NULL); g_return_val_if_fail (iter != NULL, NULL); g_return_val_if_fail (iter->user_data != NULL, NULL); g_return_val_if_fail (iter->stamp == model->stamp, NULL); if (model->priv->root == NULL) return NULL; node = EPHY_NODE (iter->user_data); if (node == model->priv->root) return gtk_tree_path_new (); return get_path_real (model, node); } static gboolean ephy_tree_model_node_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); EphyNode *node; g_return_val_if_fail (iter != NULL, FALSE); g_return_val_if_fail (iter->user_data != NULL, FALSE); g_return_val_if_fail (iter->stamp == EPHY_TREE_MODEL_NODE (tree_model)->stamp, FALSE); if (model->priv->root == NULL) return FALSE; node = EPHY_NODE (iter->user_data); if (node == model->priv->root) return FALSE; iter->user_data = ephy_node_get_next_child (model->priv->root, node); return (iter->user_data != NULL); } static gboolean ephy_tree_model_node_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); if (model->priv->root == NULL) return FALSE; if (parent != NULL) return FALSE; iter->stamp = model->stamp; iter->user_data = model->priv->root; return TRUE; } static gboolean ephy_tree_model_node_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter) { return FALSE; } static int ephy_tree_model_node_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); g_return_val_if_fail (EPHY_IS_TREE_MODEL_NODE (tree_model), -1); if (model->priv->root == NULL) return 0; if (iter == NULL) return ephy_node_get_n_children (model->priv->root); g_return_val_if_fail (model->stamp == iter->stamp, -1); return 0; } static gboolean ephy_tree_model_node_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, int n) { EphyTreeModelNode *model = EPHY_TREE_MODEL_NODE (tree_model); EphyNode *node; g_return_val_if_fail (EPHY_IS_TREE_MODEL_NODE (tree_model), FALSE); if (model->priv->root == NULL) return FALSE; if (parent != NULL) return FALSE; node = ephy_node_get_nth_child (model->priv->root, n); if (node != NULL) { iter->stamp = model->stamp; iter->user_data = node; return TRUE; } else return FALSE; } static gboolean ephy_tree_model_node_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child) { return FALSE; } EphyNode * ephy_tree_model_node_node_from_iter (EphyTreeModelNode *model, GtkTreeIter *iter) { return EPHY_NODE (iter->user_data); } void ephy_tree_model_node_iter_from_node (EphyTreeModelNode *model, EphyNode *node, GtkTreeIter *iter) { iter->stamp = model->stamp; iter->user_data = node; } static void root_child_removed_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model) { GtkTreePath *path; path = get_path_real (model, child); gtk_tree_model_row_deleted (GTK_TREE_MODEL (model), path); gtk_tree_path_free (path); } static void root_child_added_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model) { GtkTreePath *path; GtkTreeIter iter; ephy_tree_model_node_iter_from_node (model, child, &iter); path = get_path_real (model, child); gtk_tree_model_row_inserted (GTK_TREE_MODEL (model), path, &iter); gtk_tree_path_free (path); } static inline void ephy_tree_model_node_update_node (EphyTreeModelNode *model, EphyNode *node, int idx) { GtkTreePath *path; GtkTreeIter iter; ephy_tree_model_node_iter_from_node (model, node, &iter); if (idx >= 0) { path = gtk_tree_path_new (); gtk_tree_path_append_index (path, idx); } else { path = get_path_real (model, node); } LOG ("Updating row") gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter); gtk_tree_path_free (path); } static void root_child_changed_cb (EphyNode *node, EphyNode *child, EphyTreeModelNode *model) { ephy_tree_model_node_update_node (model, child, -1); } static void root_children_reordered_cb (EphyNode *node, int *new_order, EphyTreeModelNode *model) { gtk_tree_model_rows_reordered (GTK_TREE_MODEL (model), NULL, NULL, new_order); } static void root_destroyed_cb (EphyNode *node, EphyTreeModelNode *model) { model->priv->root = NULL; /* no need to do other stuff since we should have had a bunch of child_removed * signals already */ }