+++ /dev/null
-/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2011, 2012 Free Software Foundation, Inc.
-
- 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 <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include "psppire-empty-list-store.h"
-
-static void psppire_empty_list_store_class_init (PsppireEmptyListStoreClass *);
-static void psppire_empty_list_store_init (PsppireEmptyListStore *);
-
-/* GtkTreeModel interface. */
-static void gtk_tree_model_interface_init (GtkTreeModelIface *iface);
-static GtkTreeModelFlags empty_list_store_get_flags (GtkTreeModel *tree_model);
-static gint empty_list_store_get_n_columns (GtkTreeModel *tree_model);
-static GType empty_list_store_get_column_type (GtkTreeModel *tree_model,
- gint index_);
-static gboolean empty_list_store_get_iter (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreePath *path);
-static GtkTreePath * empty_list_store_get_path (GtkTreeModel *tree_model,
- GtkTreeIter *iter);
-static void empty_list_store_get_value (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- gint column,
- GValue *value);
-static gboolean empty_list_store_iter_next (GtkTreeModel *tree_model,
- GtkTreeIter *iter);
-static gboolean empty_list_store_iter_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent);
-static gboolean empty_list_store_iter_has_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter);
-static gint empty_list_store_iter_n_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter);
-static gboolean empty_list_store_iter_nth_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent,
- gint n);
-static gboolean empty_list_store_iter_parent (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *child);
-
-GType
-psppire_empty_list_store_get_type (void)
-{
- static GType type = 0;
- if (!type)
- {
- static const GTypeInfo psppire_empty_list_store_info =
- {
- sizeof(PsppireEmptyListStoreClass),
- NULL, /* base init */
- NULL, /* base finalize */
- (GClassInitFunc) psppire_empty_list_store_class_init,
- NULL, /* class finalize */
- NULL, /* class data */
- sizeof(PsppireEmptyListStore),
- 0, /* n_preallocs, ignored since 2.10 */
- (GInstanceInitFunc) psppire_empty_list_store_init,
- NULL
- };
- static const GInterfaceInfo gtk_tree_model_info =
- {
- (GInterfaceInitFunc) gtk_tree_model_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- type = g_type_register_static (G_TYPE_OBJECT,
- "PsppireEmptyListStore",
- &psppire_empty_list_store_info, 0);
- g_type_add_interface_static (type, GTK_TYPE_TREE_MODEL,
- >k_tree_model_info);
- }
- return type;
-}
-
-enum
- {
- PROP_0,
- PROP_N_ROWS
- };
-
-static void
-psppire_empty_list_store_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- PsppireEmptyListStore *obj = PSPPIRE_EMPTY_LIST_STORE (object);
-
- switch (prop_id)
- {
- case PROP_N_ROWS:
- obj->n_rows = g_value_get_int (value);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-psppire_empty_list_store_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- PsppireEmptyListStore *obj = PSPPIRE_EMPTY_LIST_STORE (object);
-
- switch (prop_id)
- {
- case PROP_N_ROWS:
- g_value_set_int (value, obj->n_rows);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-psppire_empty_list_store_class_init (PsppireEmptyListStoreClass *class)
-{
- GObjectClass *gobject_class;
- gobject_class = G_OBJECT_CLASS (class);
-
- gobject_class->set_property = psppire_empty_list_store_set_property;
- gobject_class->get_property = psppire_empty_list_store_get_property;
-
- g_object_class_install_property (gobject_class,
- PROP_N_ROWS,
- g_param_spec_int ("n-rows",
- ("Number of rows"),
- ("Number of rows in GtkTreeModel"),
- 0,
- G_MAXINT,
- 0,
- G_PARAM_READWRITE));
-}
-
-static void
-psppire_empty_list_store_init (PsppireEmptyListStore *obj)
-{
- obj->n_rows = 0;
-}
-
-PsppireEmptyListStore *
-psppire_empty_list_store_new (gint n_rows)
-{
- return PSPPIRE_EMPTY_LIST_STORE (g_object_new (PSPPIRE_TYPE_EMPTY_LIST_STORE,
- "n-rows", n_rows,
- NULL));
-}
-
-gint
-psppire_empty_list_store_get_n_rows (const PsppireEmptyListStore *obj)
-{
- return obj->n_rows;
-}
-
-void
-psppire_empty_list_store_set_n_rows (PsppireEmptyListStore *obj,
- gint n_rows)
-{
- obj->n_rows = n_rows;
-}
-
-void
-psppire_empty_list_store_row_changed (PsppireEmptyListStore *obj,
- gint row)
-{
- GtkTreeModel *tree_model = GTK_TREE_MODEL (obj);
- GtkTreeIter iter;
- GtkTreePath *path;
-
- path = gtk_tree_path_new_from_indices (row, -1);
- gtk_tree_model_get_iter (tree_model, &iter, path);
- gtk_tree_model_row_changed (tree_model, path, &iter);
- gtk_tree_path_free (path);
-}
-
-void
-psppire_empty_list_store_row_inserted (PsppireEmptyListStore *obj,
- gint row)
-{
- GtkTreeModel *tree_model = GTK_TREE_MODEL (obj);
- GtkTreeIter iter;
- GtkTreePath *path;
-
- path = gtk_tree_path_new_from_indices (row, -1);
- gtk_tree_model_get_iter (tree_model, &iter, path);
- gtk_tree_model_row_inserted (tree_model, path, &iter);
- gtk_tree_path_free (path);
-}
-
-void
-psppire_empty_list_store_row_deleted (PsppireEmptyListStore *obj,
- gint row)
-{
- GtkTreeModel *tree_model = GTK_TREE_MODEL (obj);
- GtkTreePath *path;
-
- path = gtk_tree_path_new_from_indices (row, -1);
- gtk_tree_model_row_deleted (tree_model, path);
- gtk_tree_path_free (path);
-}
-\f
-/* GtkTreeModel interface. */
-
-/* Random number used in 'stamp' member of GtkTreeIter. */
-#define TREE_MODEL_STAMP 0x10c44c13
-
-static gboolean
-empty_list_store_init_iter (GtkTreeModel *model, gint idx, GtkTreeIter *iter)
-{
- const PsppireEmptyListStore *store = PSPPIRE_EMPTY_LIST_STORE (model);
-
- if (idx < 0 || idx >= store->n_rows)
- {
- iter->stamp = 0;
- iter->user_data = GINT_TO_POINTER (-1);
- return FALSE;
- }
- else
- {
- iter->stamp = TREE_MODEL_STAMP;
- iter->user_data = GINT_TO_POINTER (idx);
- return TRUE;
- }
-}
-
-static void
-gtk_tree_model_interface_init (GtkTreeModelIface *iface)
-{
- g_return_if_fail (iface != NULL);
-
- iface->get_flags = empty_list_store_get_flags;
- iface->get_n_columns = empty_list_store_get_n_columns;
- iface->get_column_type = empty_list_store_get_column_type;
- iface->get_iter = empty_list_store_get_iter;
- iface->get_path = empty_list_store_get_path;
- iface->get_value = empty_list_store_get_value;
- iface->iter_next = empty_list_store_iter_next;
- iface->iter_children = empty_list_store_iter_children;
- iface->iter_has_child = empty_list_store_iter_has_child;
- iface->iter_n_children = empty_list_store_iter_n_children;
- iface->iter_nth_child = empty_list_store_iter_nth_child;
- iface->iter_parent = empty_list_store_iter_parent;
-}
-
-static GtkTreeModelFlags
-empty_list_store_get_flags (GtkTreeModel *tree_model G_GNUC_UNUSED)
-{
- return GTK_TREE_MODEL_LIST_ONLY;
-}
-
-static gint
-empty_list_store_get_n_columns (GtkTreeModel *tree_model G_GNUC_UNUSED)
-{
- return 0;
-}
-
-static GType
-empty_list_store_get_column_type (GtkTreeModel *tree_model,
- gint index_)
-{
- g_return_val_if_reached (G_TYPE_NONE);
-}
-
-static gboolean
-empty_list_store_get_iter (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreePath *path)
-{
- gint *indices, depth;
-
- g_return_val_if_fail (path, FALSE);
-
- indices = gtk_tree_path_get_indices (path);
- depth = gtk_tree_path_get_depth (path);
-
- g_return_val_if_fail (depth == 1, FALSE);
-
- return empty_list_store_init_iter (tree_model, indices[0], iter);
-}
-
-static GtkTreePath *
-empty_list_store_get_path (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
-
- g_return_val_if_fail (iter->stamp == TREE_MODEL_STAMP, FALSE);
-
- path = gtk_tree_path_new ();
- gtk_tree_path_append_index (path, GPOINTER_TO_INT (iter->user_data));
-
- return path;
-}
-
-static void
-empty_list_store_get_value (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- gint column,
- GValue *value)
-{
- g_return_if_reached ();
-}
-
-static gboolean
-empty_list_store_iter_next (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- gint idx;
-
- g_return_val_if_fail (iter->stamp == TREE_MODEL_STAMP, FALSE);
-
- idx = GPOINTER_TO_INT (iter->user_data);
- return empty_list_store_init_iter (tree_model, idx + (idx >= 0), iter);
-}
-
-static gboolean
-empty_list_store_iter_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent)
-{
- return FALSE;
-}
-
-static gboolean
-empty_list_store_iter_has_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- return FALSE;
-}
-
-static gint
-empty_list_store_iter_n_children (GtkTreeModel *tree_model,
- GtkTreeIter *iter)
-{
- return iter == NULL ? PSPPIRE_EMPTY_LIST_STORE (tree_model)->n_rows : 0;
-}
-
-static gboolean
-empty_list_store_iter_nth_child (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *parent,
- gint n)
-{
- g_return_val_if_fail (parent == NULL, FALSE);
-
- return empty_list_store_init_iter (tree_model, n, iter);
-}
-
-static gboolean
-empty_list_store_iter_parent (GtkTreeModel *tree_model,
- GtkTreeIter *iter,
- GtkTreeIter *child)
-{
- return FALSE;
-}
-
-gint
-empty_list_store_iter_to_row (const GtkTreeIter *iter)
-{
- g_return_val_if_fail (iter->stamp == TREE_MODEL_STAMP, 0);
- return GPOINTER_TO_INT (iter->user_data);
-}
+++ /dev/null
-/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2011, 2012 Free Software Foundation, Inc.
-
- 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 <http://www.gnu.org/licenses/>. */
-
-#ifndef PSPPIRE_EMPTY_LIST_STORE_H
-#define PSPPIRE_EMPTY_LIST_STORE_H 1
-
-/* PsppireEmptyListStore is an GtkTreeModel implementation that has a
- client-specified number of rows and zero columns. It is a useful model for
- GtkTreeView or PsppSheetView when the client can easily synthesize cell data
- using a callback set with gtk_tree_view_column_set_cell_data_func(). In
- that situation, GtkListStore can be wasteful (because it uses a lot of
- memory to store what does not need to be stored) and situation-specific
- custom models require additional boilerplate. */
-
-#include <glib-object.h>
-#include <gtk/gtk.h>
-
-G_BEGIN_DECLS
-
-#define PSPPIRE_TYPE_EMPTY_LIST_STORE (psppire_empty_list_store_get_type())
-#define PSPPIRE_EMPTY_LIST_STORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),PSPPIRE_TYPE_EMPTY_LIST_STORE,PsppireEmptyListStore))
-#define PSPPIRE_EMPTY_LIST_STORE_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class),PSPPIRE_TYPE_EMPTY_LIST_STORE,PsppireEmptyListStoreClass))
-#define PSPPIRE_IS_EMPTY_LIST_STORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),PSPPIRE_TYPE_EMPTY_LIST_STORE))
-#define PSPPIRE_IS_EMPTY_LIST_STORE_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class),PSPPIRE_TYPE_EMPTY_LIST_STORE))
-#define PSPPIRE_EMPTY_LIST_STORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),PSPPIRE_TYPE_EMPTY_LIST_STORE,PsppireEmptyListStoreClass))
-
-typedef struct _PsppireEmptyListStore PsppireEmptyListStore;
-typedef struct _PsppireEmptyListStoreClass PsppireEmptyListStoreClass;
-
-struct _PsppireEmptyListStore {
- GObject parent;
- gint n_rows;
-};
-
-struct _PsppireEmptyListStoreClass {
- GObjectClass parent_class;
-};
-
-GType psppire_empty_list_store_get_type (void) G_GNUC_CONST;
-PsppireEmptyListStore* psppire_empty_list_store_new (gint n_rows);
-
-gint psppire_empty_list_store_get_n_rows (const PsppireEmptyListStore *);
-void psppire_empty_list_store_set_n_rows (PsppireEmptyListStore *,
- gint n_rows);
-
-void psppire_empty_list_store_row_changed (PsppireEmptyListStore *,
- gint row);
-void psppire_empty_list_store_row_inserted (PsppireEmptyListStore *,
- gint row);
-void psppire_empty_list_store_row_deleted (PsppireEmptyListStore *,
- gint row);
-
-gint empty_list_store_iter_to_row (const GtkTreeIter *);
-
-G_END_DECLS
-
-#endif /* PSPPIRE_EMPTY_LIST_STORE_H */
projects / pspp / commitdiff