X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtktreemodel.h;h=fed9850b3e04a8ac052327116c83bc6db61a2e40;hb=944fa635ae4e9bae6246e8137d8bb19d836e4e86;hp=ea2e4a7037d8fe72707f10b4958cf6f8496b65ab;hpb=66f87948e233899c8bb67979df74a9e728b7635c;p=~andy%2Fgtk diff --git a/gtk/gtktreemodel.h b/gtk/gtktreemodel.h index ea2e4a703..fed9850b3 100644 --- a/gtk/gtktreemodel.h +++ b/gtk/gtktreemodel.h @@ -12,43 +12,89 @@ * 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, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . */ #ifndef __GTK_TREE_MODEL_H__ #define __GTK_TREE_MODEL_H__ -#include +#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION) +#error "Only can be included directly." +#endif -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ +#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) ((GtkTreeModelIface *)g_type_interface_peek (((GTypeInstance *)GTK_TREE_MODEL (obj))->g_class, 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 _GtkTreeModel GtkTreeModel; /* Dummy typedef */ -typedef struct _GtkTreeModelIface GtkTreeModelIface; +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_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 tree_node; - gpointer tree_node2; - gpointer tree_node3; + gpointer user_data; + gpointer user_data2; + gpointer user_data3; }; struct _GtkTreeModelIface @@ -56,31 +102,28 @@ struct _GtkTreeModelIface GTypeInterface g_iface; /* Signals */ - /* Currently unimplemented as interfaces do not support signals yet, so - * objects implementing this interface need this. Later, it will be moved - * back here. - */ - void (* changed) (GtkTreeModel *tree_model, - GtkTreePath *path, - GtkTreeIter *iter); - void (* inserted) (GtkTreeModel *tree_model, - GtkTreePath *path, - GtkTreeIter *iter); - void (* child_toggled) (GtkTreeModel *tree_model, - GtkTreePath *path, - GtkTreeIter *iter); - void (* deleted) (GtkTreeModel *tree_model, - GtkTreePath *path); - void (* reordered) (GtkTreeModel *tree_model, - GtkTreePath *path, - gint *new_order); - - /* VTable - not signals */ - GtkTreeModelFlags (* get_flags) (GtkTreeModel *tree_model); + 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); + gint index_); gboolean (* get_iter) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path); @@ -92,6 +135,8 @@ struct _GtkTreeModelIface 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); @@ -106,26 +151,33 @@ struct _GtkTreeModelIface gboolean (* iter_parent) (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child); - void (* ref_iter) (GtkTreeModel *tree_model, + void (* ref_node) (GtkTreeModel *tree_model, GtkTreeIter *iter); - void (* unref_iter) (GtkTreeModel *tree_model, + void (* unref_node) (GtkTreeModel *tree_model, GtkTreeIter *iter); }; /* GtkTreePath operations */ GtkTreePath *gtk_tree_path_new (void); -GtkTreePath *gtk_tree_path_new_from_string (gchar *path); +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_root (void); +GtkTreePath *gtk_tree_path_new_first (void); void gtk_tree_path_append_index (GtkTreePath *path, - gint index); + gint index_); void gtk_tree_path_prepend_index (GtkTreePath *path, - gint index); + 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 (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); @@ -133,55 +185,121 @@ 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); -/* GtkTreeIter operations */ -GtkTreeIter *gtk_tree_iter_copy (GtkTreeIter *iter); -void gtk_tree_iter_free (GtkTreeIter *iter); +/** + * 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(). + */ -/* GtkTreeModel stuff */ -GtkType gtk_tree_model_get_type (void) G_GNUC_CONST; -GtkTreeModelFlags gtk_tree_model_get_flags (GtkTreeModel *tree_model); +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); -/* Column information */ -gint gtk_tree_model_get_n_columns (GtkTreeModel *tree_model); -GType gtk_tree_model_get_column_type (GtkTreeModel *tree_model, - gint index); +/* 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); -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_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_iter (GtkTreeModel *tree_model, - GtkTreeIter *iter); -void gtk_tree_model_unref_iter (GtkTreeModel *tree_model, - GtkTreeIter *iter); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ +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__ */