forked from AuroraMiddleware/gtk
29f16cc671
2001-02-16 Alexander Larsson <alexl@redhat.com> * gtk/gtktreemodelmapping.[ch]: New files. Implement GtkTreeModelMapping. * gtk/Makefile.am: Add gtktreemodelmapping.[ch]. * gtk/gtk.h: Add gtktreemodelmapping.h * gtk/treestoretest.c: Test the GtkTreeModelMapping
572 lines
19 KiB
C
572 lines
19 KiB
C
/* gtktreemodelmapping.c
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* Copyright (C) 2000 Red Hat, Inc., Alexander Larsson <alexl@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtktreemodelmapping.h"
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#include "gtksignal.h"
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enum {
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CHANGED,
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INSERTED,
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CHILD_TOGGLED,
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DELETED,
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LAST_SIGNAL
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};
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static guint tree_model_mapping_signals[LAST_SIGNAL] = { 0 };
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static void gtk_tree_model_mapping_init (GtkTreeModelMapping *tree_model_mapping);
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static void gtk_tree_model_mapping_class_init (GtkTreeModelMappingClass *tree_model_mapping_class);
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static void gtk_tree_model_mapping_tree_model_init (GtkTreeModelIface *iface);
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static void gtk_tree_model_mapping_finalize (GObject *object);
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/* signals */
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static void gtk_tree_model_mapping_changed (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_model_mapping_inserted (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_model_mapping_child_toggled (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data);
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static void gtk_tree_model_mapping_deleted (GtkTreeModel *model,
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GtkTreePath *path,
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gpointer data);
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static void gtk_tree_model_mapping_reordered (GtkTreeModel *model,
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GtkTreePath *path,
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gint *new_order);
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/* vtable */
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static GtkTreeModelFlags gtk_tree_model_mapping_get_flags (GtkTreeModel *tree_model);
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static gint gtk_tree_model_mapping_get_n_columns (GtkTreeModel *tree_model);
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static GType gtk_tree_model_mapping_get_column_type (GtkTreeModel *tree_model,
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gint index);
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static gboolean gtk_tree_model_mapping_get_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreePath *path);
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static GtkTreePath *gtk_tree_model_mapping_get_path (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static void gtk_tree_model_mapping_get_value (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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gint column,
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GValue *value);
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static gboolean gtk_tree_model_mapping_iter_next (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean gtk_tree_model_mapping_iter_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent);
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static gboolean gtk_tree_model_mapping_iter_has_child (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gint gtk_tree_model_mapping_iter_n_children (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static gboolean gtk_tree_model_mapping_iter_nth_child (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *parent,
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gint n);
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static gboolean gtk_tree_model_mapping_iter_parent (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreeIter *child);
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static void gtk_tree_model_mapping_ref_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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static void gtk_tree_model_mapping_unref_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter);
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GtkType
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gtk_tree_model_mapping_get_type (void)
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{
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static GtkType tree_model_mapping_type = 0;
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if (!tree_model_mapping_type)
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{
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static const GTypeInfo tree_model_mapping_info =
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{
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sizeof (GtkTreeModelMappingClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_tree_model_mapping_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkTreeModelMapping),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_tree_model_mapping_init
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};
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static const GInterfaceInfo tree_model_info =
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{
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(GInterfaceInitFunc) gtk_tree_model_mapping_tree_model_init,
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NULL,
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NULL
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};
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tree_model_mapping_type = g_type_register_static (GTK_TYPE_OBJECT, "GtkTreeModelMapping", &tree_model_mapping_info, 0);
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g_type_add_interface_static (tree_model_mapping_type,
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GTK_TYPE_TREE_MODEL,
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&tree_model_info);
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}
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return tree_model_mapping_type;
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}
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static void
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gtk_tree_model_mapping_class_init (GtkTreeModelMappingClass *tree_model_mapping_class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) tree_model_mapping_class;
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object_class->finalize = gtk_tree_model_mapping_finalize;
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tree_model_mapping_signals[CHANGED] =
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gtk_signal_new ("changed",
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GTK_RUN_FIRST,
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GTK_CLASS_TYPE (object_class),
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GTK_SIGNAL_OFFSET (GtkTreeModelMappingClass, changed),
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gtk_marshal_VOID__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GTK_TYPE_POINTER,
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GTK_TYPE_POINTER);
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tree_model_mapping_signals[INSERTED] =
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gtk_signal_new ("inserted",
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GTK_RUN_FIRST,
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GTK_CLASS_TYPE (object_class),
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GTK_SIGNAL_OFFSET (GtkTreeModelMappingClass, inserted),
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gtk_marshal_VOID__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GTK_TYPE_POINTER,
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GTK_TYPE_POINTER);
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tree_model_mapping_signals[CHILD_TOGGLED] =
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gtk_signal_new ("child_toggled",
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GTK_RUN_FIRST,
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GTK_CLASS_TYPE (object_class),
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GTK_SIGNAL_OFFSET (GtkTreeModelMappingClass, child_toggled),
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gtk_marshal_VOID__POINTER_POINTER,
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GTK_TYPE_NONE, 2,
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GTK_TYPE_POINTER,
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GTK_TYPE_POINTER);
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tree_model_mapping_signals[DELETED] =
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gtk_signal_new ("deleted",
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GTK_RUN_FIRST,
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GTK_CLASS_TYPE (object_class),
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GTK_SIGNAL_OFFSET (GtkTreeModelMappingClass, deleted),
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gtk_marshal_VOID__POINTER,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_POINTER);
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}
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static void
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gtk_tree_model_mapping_tree_model_init (GtkTreeModelIface *iface)
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{
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iface->get_flags = gtk_tree_model_mapping_get_flags;
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iface->get_n_columns = gtk_tree_model_mapping_get_n_columns;
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iface->get_column_type = gtk_tree_model_mapping_get_column_type;
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iface->get_iter = gtk_tree_model_mapping_get_iter;
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iface->get_path = gtk_tree_model_mapping_get_path;
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iface->get_value = gtk_tree_model_mapping_get_value;
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iface->iter_next = gtk_tree_model_mapping_iter_next;
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iface->iter_children = gtk_tree_model_mapping_iter_children;
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iface->iter_has_child = gtk_tree_model_mapping_iter_has_child;
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iface->iter_n_children = gtk_tree_model_mapping_iter_n_children;
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iface->iter_nth_child = gtk_tree_model_mapping_iter_nth_child;
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iface->iter_parent = gtk_tree_model_mapping_iter_parent;
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iface->ref_iter = gtk_tree_model_mapping_ref_iter;
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iface->unref_iter = gtk_tree_model_mapping_unref_iter;
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}
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static void
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gtk_tree_model_mapping_init (GtkTreeModelMapping *tree_model_mapping)
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{
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}
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GtkTreeModel *
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gtk_tree_model_mapping_new (void)
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{
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return GTK_TREE_MODEL (gtk_type_new (gtk_tree_model_mapping_get_type ()));
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}
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GtkTreeModel *
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gtk_tree_model_mapping_new_with_model (GtkTreeModel *child_model)
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{
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GtkTreeModel *retval;
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retval = gtk_tree_model_mapping_new ();
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gtk_tree_model_mapping_set_model (GTK_TREE_MODEL_MAPPING (retval), child_model);
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return retval;
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}
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void
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gtk_tree_model_mapping_set_n_columns (GtkTreeModelMapping *tree_model_mapping,
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gint n_columns)
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{
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g_return_if_fail (tree_model_mapping != NULL);
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g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model_mapping));
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tree_model_mapping->n_columns = n_columns;
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tree_model_mapping->column_maps = g_realloc (tree_model_mapping->column_maps, sizeof (GtkTreeModelMapping)*n_columns);
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}
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void
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gtk_tree_model_mapping_set_column_mapping (GtkTreeModelMapping *tree_model_mapping,
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gint column,
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gint src_column,
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GType col_type,
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GValueMapFunc map_func,
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gpointer user_data)
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{
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GtkTreeModelMappingMap *map;
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g_return_if_fail (tree_model_mapping != NULL);
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g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model_mapping));
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g_return_if_fail (column < tree_model_mapping->n_columns);
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map = &tree_model_mapping->column_maps[column];
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map->src_column = src_column;
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map->col_type = col_type;
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map->map_func = map_func;
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map->user_data = user_data;
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}
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/**
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* gtk_tree_model_mapping_set_model:
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* @tree_model_mapping: The #GtkTreeModelMapping.
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* @child_model: A #GtkTreeModel, or NULL.
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*
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* Sets the model of @tree_model_mapping to be @model. If @model is NULL, then the
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* old model is unset.
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**/
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void
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gtk_tree_model_mapping_set_model (GtkTreeModelMapping *tree_model_mapping,
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GtkTreeModel *child_model)
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{
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g_return_if_fail (tree_model_mapping != NULL);
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g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model_mapping));
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if (child_model)
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g_object_ref (G_OBJECT (child_model));
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if (tree_model_mapping->child_model)
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{
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gtk_signal_disconnect_by_func (GTK_OBJECT (tree_model_mapping->child_model),
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gtk_tree_model_mapping_changed,
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tree_model_mapping);
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gtk_signal_disconnect_by_func (GTK_OBJECT (tree_model_mapping->child_model),
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gtk_tree_model_mapping_inserted,
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tree_model_mapping);
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gtk_signal_disconnect_by_func (GTK_OBJECT (tree_model_mapping->child_model),
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gtk_tree_model_mapping_child_toggled,
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tree_model_mapping);
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gtk_signal_disconnect_by_func (GTK_OBJECT (tree_model_mapping->child_model),
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gtk_tree_model_mapping_deleted,
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tree_model_mapping);
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g_object_unref (G_OBJECT (tree_model_mapping->child_model));
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}
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tree_model_mapping->child_model = child_model;
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if (child_model)
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{
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gtk_signal_connect (GTK_OBJECT (child_model),
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"changed",
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gtk_tree_model_mapping_changed,
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tree_model_mapping);
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gtk_signal_connect (GTK_OBJECT (child_model),
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"inserted",
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gtk_tree_model_mapping_inserted,
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tree_model_mapping);
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gtk_signal_connect (GTK_OBJECT (child_model),
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"child_toggled",
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gtk_tree_model_mapping_child_toggled,
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tree_model_mapping);
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gtk_signal_connect (GTK_OBJECT (child_model),
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"deleted",
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gtk_tree_model_mapping_deleted,
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tree_model_mapping);
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}
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}
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/**
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* gtk_tree_model_mapping_get_model:
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* @tree_model: a #GtkTreeModelMapping
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*
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* Returns the model the #GtkTreeModelMapping is mappinging.
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*
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* Return value: the "child model" being mappinged
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**/
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GtkTreeModel*
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gtk_tree_model_mapping_get_model (GtkTreeModelMapping *tree_model)
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{
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), NULL);
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return tree_model->child_model;
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}
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static void
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gtk_tree_model_mapping_finalize (GObject *object)
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{
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GtkTreeModelMapping *tree_model_mapping = (GtkTreeModelMapping *) object;
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g_free (tree_model_mapping->column_maps);
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tree_model_mapping->column_maps = NULL;
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if (tree_model_mapping->child_model)
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{
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g_object_unref (G_OBJECT (tree_model_mapping->child_model));
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tree_model_mapping->child_model = NULL;
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}
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}
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static void
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gtk_tree_model_mapping_changed (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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gtk_signal_emit_by_name (GTK_OBJECT (data), "changed", path, iter);
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}
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static void
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gtk_tree_model_mapping_inserted (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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gtk_signal_emit_by_name (GTK_OBJECT (data), "inserted", path, iter);
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}
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static void
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gtk_tree_model_mapping_child_toggled (GtkTreeModel *model,
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GtkTreePath *path,
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GtkTreeIter *iter,
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gpointer data)
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{
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gtk_signal_emit_by_name (GTK_OBJECT (data), "child_toggled", path, iter);
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}
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static void
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gtk_tree_model_mapping_deleted (GtkTreeModel *model,
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GtkTreePath *path,
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gpointer data)
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{
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gtk_signal_emit_by_name (GTK_OBJECT (data), "deleted", path);
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}
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static GtkTreeModelFlags
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gtk_tree_model_mapping_get_flags (GtkTreeModel *tree_model)
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{
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GtkTreeModel *child_model;
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
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g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
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child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
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return gtk_tree_model_get_flags (child_model);
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}
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static gint
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gtk_tree_model_mapping_get_n_columns (GtkTreeModel *tree_model)
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{
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GtkTreeModelMapping *tree_model_mapping;
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
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tree_model_mapping = GTK_TREE_MODEL_MAPPING (tree_model);
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return tree_model_mapping->n_columns;
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}
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static GType
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gtk_tree_model_mapping_get_column_type (GtkTreeModel *tree_model,
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gint index)
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{
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GtkTreeModelMapping *tree_model_mapping;
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
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tree_model_mapping = GTK_TREE_MODEL_MAPPING (tree_model);
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return tree_model_mapping->column_maps[index].col_type;
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}
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static gboolean
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gtk_tree_model_mapping_get_iter (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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GtkTreePath *path)
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{
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GtkTreeModel *child_model;
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
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g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
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child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
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return gtk_tree_model_get_iter (child_model, iter, path);
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}
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static GtkTreePath *
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gtk_tree_model_mapping_get_path (GtkTreeModel *tree_model,
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GtkTreeIter *iter)
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{
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GtkTreeModel *child_model;
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g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
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g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
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child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
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return gtk_tree_model_get_path (child_model, iter);
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}
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static void
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gtk_tree_model_mapping_get_value (GtkTreeModel *tree_model,
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GtkTreeIter *iter,
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gint column,
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GValue *value)
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{
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GValue src_val = { 0, };
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GtkTreeModel *child_model;
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GtkTreeModelMapping *tree_model_mapping;
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GtkTreeModelMappingMap *map;
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g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model));
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g_return_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL);
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tree_model_mapping = GTK_TREE_MODEL_MAPPING (tree_model);
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child_model = tree_model_mapping->child_model;
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map = &tree_model_mapping->column_maps[column];
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gtk_tree_model_get_value (child_model, iter, map->src_column, &src_val);
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(* map->map_func) (&src_val, value, map->user_data);
|
|
g_value_unset (&src_val);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_model_mapping_iter_next (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
|
|
return gtk_tree_model_iter_next (child_model, iter);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_model_mapping_iter_children (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter,
|
|
GtkTreeIter *parent)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
return gtk_tree_model_iter_children (child_model, iter, parent);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_model_mapping_iter_has_child (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter)
|
|
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
return gtk_tree_model_iter_has_child (child_model, iter);
|
|
}
|
|
|
|
static gint
|
|
gtk_tree_model_mapping_iter_n_children (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
return gtk_tree_model_iter_n_children (child_model, iter);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_model_mapping_iter_nth_child (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter,
|
|
GtkTreeIter *parent,
|
|
gint n)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
return gtk_tree_model_iter_nth_child (child_model, iter, parent, n);
|
|
}
|
|
|
|
static gboolean
|
|
gtk_tree_model_mapping_iter_parent (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter,
|
|
GtkTreeIter *child)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_val_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model), 0);
|
|
g_return_val_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL, 0);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
return gtk_tree_model_iter_parent (child_model, iter, child);
|
|
}
|
|
|
|
static void
|
|
gtk_tree_model_mapping_ref_iter (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model));
|
|
g_return_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
gtk_tree_model_ref_iter (child_model, iter);
|
|
}
|
|
|
|
static void
|
|
gtk_tree_model_mapping_unref_iter (GtkTreeModel *tree_model,
|
|
GtkTreeIter *iter)
|
|
{
|
|
GtkTreeModel *child_model;
|
|
|
|
g_return_if_fail (GTK_IS_TREE_MODEL_MAPPING (tree_model));
|
|
g_return_if_fail (GTK_TREE_MODEL_MAPPING (tree_model)->child_model != NULL);
|
|
|
|
child_model = GTK_TREE_MODEL_MAPPING (tree_model)->child_model;
|
|
gtk_tree_model_unref_iter (child_model, iter);
|
|
}
|