/* gtktreemodel.h * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library. If not, see . */ #ifndef __GTK_TREE_MODEL_H__ #define __GTK_TREE_MODEL_H__ #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION) #error "Only can be included directly." #endif #include G_BEGIN_DECLS #define GTK_TYPE_TREE_MODEL (gtk_tree_model_get_type ()) #define GTK_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModel)) #define GTK_IS_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TREE_MODEL)) #define GTK_TREE_MODEL_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_TYPE_TREE_MODEL, GtkTreeModelIface)) #define GTK_TYPE_TREE_ITER (gtk_tree_iter_get_type ()) #define GTK_TYPE_TREE_PATH (gtk_tree_path_get_type ()) #define GTK_TYPE_TREE_ROW_REFERENCE (gtk_tree_row_reference_get_type ()) typedef struct _GtkTreeIter GtkTreeIter; typedef struct _GtkTreePath GtkTreePath; typedef struct _GtkTreeRowReference GtkTreeRowReference; typedef struct _GtkTreeModel GtkTreeModel; /* Dummy typedef */ typedef struct _GtkTreeModelIface GtkTreeModelIface; /** * GtkTreeModelForeachFunc: * @model: the #GtkTreeModel being iterated * @path: the current #GtkTreePath * @iter: the current #GtkTreeIter * @data: The user data passed to gtk_tree_model_foreach() * * Type of the callback passed to gtk_tree_model_foreach() to * iterate over the rows in a tree model. * * Return value: %TRUE to stop iterating, %FALSE to continue * */ typedef gboolean (* GtkTreeModelForeachFunc) (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data); /** * GtkTreeModelFlags: * @GTK_TREE_MODEL_ITERS_PERSIST: iterators survive all signals * emitted by the tree * @GTK_TREE_MODEL_LIST_ONLY: the model is a list only, and never * has children * * These flags indicate various properties of a #GtkTreeModel. * * They are returned by gtk_tree_model_get_flags(), and must be * static for the lifetime of the object. A more complete description * of #GTK_TREE_MODEL_ITERS_PERSIST can be found in the overview of * this section. */ typedef enum { GTK_TREE_MODEL_ITERS_PERSIST = 1 << 0, GTK_TREE_MODEL_LIST_ONLY = 1 << 1 } GtkTreeModelFlags; /** * GtkTreeIter: * @stamp: a unique stamp to catch invalid iterators * @user_data: model-specific data * @user_data2: model-specific data * @user_data3: model-specific data * * The GtkTreeIter is the primary structure * for accessing a #GtkTreeModel. Models are expected to put a unique * integer in the stamp member, and put * model-specific data in the three user_data * members. */ struct _GtkTreeIter { gint stamp; gpointer user_data; gpointer user_data2; gpointer user_data3; }; struct _GtkTreeModelIface { GTypeInterface g_iface; /* Signals */ void (* row_changed) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* row_inserted) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* row_has_child_toggled) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void (* row_deleted) (GtkTreeModel *tree_model, GtkTreePath *path); void (* rows_reordered) (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order); /* Virtual Table */ GtkTreeModelFlags (* get_flags) (GtkTreeModel *tree_model); gint (* get_n_columns) (GtkTreeModel *tree_model); GType (* get_column_type) (GtkTreeModel *tree_model, gint index_); gboolean (* get_iter) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); GtkTreePath *(* get_path) (GtkTreeModel *tree_model, GtkTreeIter *iter); void (* get_value) (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); gboolean (* iter_next) (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean (* iter_previous) (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean (* iter_children) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); gboolean (* iter_has_child) (GtkTreeModel *tree_model, GtkTreeIter *iter); gint (* iter_n_children) (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean (* iter_nth_child) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); gboolean (* iter_parent) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); void (* ref_node) (GtkTreeModel *tree_model, GtkTreeIter *iter); void (* unref_node) (GtkTreeModel *tree_model, GtkTreeIter *iter); }; /* GtkTreePath operations */ GtkTreePath *gtk_tree_path_new (void); GtkTreePath *gtk_tree_path_new_from_string (const gchar *path); GtkTreePath *gtk_tree_path_new_from_indices (gint first_index, ...); gchar *gtk_tree_path_to_string (GtkTreePath *path); GtkTreePath *gtk_tree_path_new_first (void); void gtk_tree_path_append_index (GtkTreePath *path, gint index_); void gtk_tree_path_prepend_index (GtkTreePath *path, gint index_); gint gtk_tree_path_get_depth (GtkTreePath *path); gint *gtk_tree_path_get_indices (GtkTreePath *path); gint *gtk_tree_path_get_indices_with_depth (GtkTreePath *path, gint *depth); void gtk_tree_path_free (GtkTreePath *path); GtkTreePath *gtk_tree_path_copy (const GtkTreePath *path); GType gtk_tree_path_get_type (void) G_GNUC_CONST; gint gtk_tree_path_compare (const GtkTreePath *a, const GtkTreePath *b); void gtk_tree_path_next (GtkTreePath *path); gboolean gtk_tree_path_prev (GtkTreePath *path); gboolean gtk_tree_path_up (GtkTreePath *path); void gtk_tree_path_down (GtkTreePath *path); gboolean gtk_tree_path_is_ancestor (GtkTreePath *path, GtkTreePath *descendant); gboolean gtk_tree_path_is_descendant (GtkTreePath *path, GtkTreePath *ancestor); /** * GtkTreeRowReference: * * A GtkTreeRowReference tracks model changes so that it always refers to the * same row (a #GtkTreePath refers to a position, not a fixed row). Create a * new GtkTreeRowReference with gtk_tree_row_reference_new(). */ GType gtk_tree_row_reference_get_type (void) G_GNUC_CONST; GtkTreeRowReference *gtk_tree_row_reference_new (GtkTreeModel *model, GtkTreePath *path); GtkTreeRowReference *gtk_tree_row_reference_new_proxy (GObject *proxy, GtkTreeModel *model, GtkTreePath *path); GtkTreePath *gtk_tree_row_reference_get_path (GtkTreeRowReference *reference); GtkTreeModel *gtk_tree_row_reference_get_model (GtkTreeRowReference *reference); gboolean gtk_tree_row_reference_valid (GtkTreeRowReference *reference); GtkTreeRowReference *gtk_tree_row_reference_copy (GtkTreeRowReference *reference); void gtk_tree_row_reference_free (GtkTreeRowReference *reference); /* These two functions are only needed if you created the row reference with a * proxy object */ void gtk_tree_row_reference_inserted (GObject *proxy, GtkTreePath *path); void gtk_tree_row_reference_deleted (GObject *proxy, GtkTreePath *path); void gtk_tree_row_reference_reordered (GObject *proxy, GtkTreePath *path, GtkTreeIter *iter, gint *new_order); /* GtkTreeIter operations */ GtkTreeIter * gtk_tree_iter_copy (GtkTreeIter *iter); void gtk_tree_iter_free (GtkTreeIter *iter); GType gtk_tree_iter_get_type (void) G_GNUC_CONST; GType gtk_tree_model_get_type (void) G_GNUC_CONST; GtkTreeModelFlags gtk_tree_model_get_flags (GtkTreeModel *tree_model); gint gtk_tree_model_get_n_columns (GtkTreeModel *tree_model); GType gtk_tree_model_get_column_type (GtkTreeModel *tree_model, gint index_); /* Iterator movement */ gboolean gtk_tree_model_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); gboolean gtk_tree_model_get_iter_from_string (GtkTreeModel *tree_model, GtkTreeIter *iter, const gchar *path_string); gchar * gtk_tree_model_get_string_from_iter (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean gtk_tree_model_get_iter_first (GtkTreeModel *tree_model, GtkTreeIter *iter); GtkTreePath * gtk_tree_model_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter); void gtk_tree_model_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); gboolean gtk_tree_model_iter_previous (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean gtk_tree_model_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean gtk_tree_model_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); gboolean gtk_tree_model_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter); gint gtk_tree_model_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter); gboolean gtk_tree_model_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); gboolean gtk_tree_model_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); void gtk_tree_model_ref_node (GtkTreeModel *tree_model, GtkTreeIter *iter); void gtk_tree_model_unref_node (GtkTreeModel *tree_model, GtkTreeIter *iter); void gtk_tree_model_get (GtkTreeModel *tree_model, GtkTreeIter *iter, ...); void gtk_tree_model_get_valist (GtkTreeModel *tree_model, GtkTreeIter *iter, va_list var_args); void gtk_tree_model_foreach (GtkTreeModel *model, GtkTreeModelForeachFunc func, gpointer user_data); /* Signals */ void gtk_tree_model_row_changed (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void gtk_tree_model_row_inserted (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void gtk_tree_model_row_has_child_toggled (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter); void gtk_tree_model_row_deleted (GtkTreeModel *tree_model, GtkTreePath *path); void gtk_tree_model_rows_reordered (GtkTreeModel *tree_model, GtkTreePath *path, GtkTreeIter *iter, gint *new_order); G_END_DECLS #endif /* __GTK_TREE_MODEL_H__ */