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gtk/tests/testtreeview.c
Benjamin Otte 3b8d9dbd28 testtreeview: Fix 19 year old use-after-free
2020-03-06 05:43:56 +01:00

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/* testtreeview.c
* Copyright (C) 2001 Red Hat, Inc
* Author: 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 <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <gtk/gtk.h>
#include <stdlib.h>
/* Don't copy this bad example; inline RGB data is always a better
* idea than inline XPMs.
*/
static char *book_closed_xpm[] = {
"16 16 6 1",
" c None s None",
". c black",
"X c red",
"o c yellow",
"O c #808080",
"# c white",
" ",
" .. ",
" ..XX. ",
" ..XXXXX. ",
" ..XXXXXXXX. ",
".ooXXXXXXXXX. ",
"..ooXXXXXXXXX. ",
".X.ooXXXXXXXXX. ",
".XX.ooXXXXXX.. ",
" .XX.ooXXX..#O ",
" .XX.oo..##OO. ",
" .XX..##OO.. ",
" .X.#OO.. ",
" ..O.. ",
" .. ",
" "
};
static void run_automated_tests (void);
/* This custom model is to test custom model use. */
#define GTK_TYPE_MODEL_TYPES (gtk_tree_model_types_get_type ())
#define GTK_TREE_MODEL_TYPES(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MODEL_TYPES, GtkTreeModelTypes))
#define GTK_TREE_MODEL_TYPES_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MODEL_TYPES, GtkTreeModelTypesClass))
#define GTK_IS_TREE_MODEL_TYPES(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MODEL_TYPES))
#define GTK_IS_TREE_MODEL_TYPES_GET_CLASS(klass) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MODEL_TYPES))
typedef struct _GtkTreeModelTypes GtkTreeModelTypes;
typedef struct _GtkTreeModelTypesClass GtkTreeModelTypesClass;
struct _GtkTreeModelTypes
{
GObject parent;
gint stamp;
};
struct _GtkTreeModelTypesClass
{
GObjectClass parent_class;
guint (* 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_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_iter) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
void (* unref_iter) (GtkTreeModel *tree_model,
GtkTreeIter *iter);
/* These will be moved into the GtkTreeModelIface eventually */
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);
};
GType gtk_tree_model_types_get_type (void) G_GNUC_CONST;
GtkTreeModelTypes *gtk_tree_model_types_new (void);
typedef enum
{
COLUMNS_NONE,
COLUMNS_ONE,
COLUMNS_LOTS,
COLUMNS_LAST
} ColumnsType;
static gchar *column_type_names[] = {
"No columns",
"One column",
"Many columns"
};
#define N_COLUMNS 9
static GType*
get_model_types (void)
{
static GType column_types[N_COLUMNS] = { 0 };
if (column_types[0] == 0)
{
column_types[0] = G_TYPE_STRING;
column_types[1] = G_TYPE_STRING;
column_types[2] = GDK_TYPE_PIXBUF;
column_types[3] = G_TYPE_FLOAT;
column_types[4] = G_TYPE_UINT;
column_types[5] = G_TYPE_UCHAR;
column_types[6] = G_TYPE_CHAR;
#define BOOL_COLUMN 7
column_types[BOOL_COLUMN] = G_TYPE_BOOLEAN;
column_types[8] = G_TYPE_INT;
}
return column_types;
}
static void
toggled_callback (GtkCellRendererToggle *celltoggle,
gchar *path_string,
GtkTreeView *tree_view)
{
GtkTreeModel *model = NULL;
GtkTreeModelSort *sort_model = NULL;
GtkTreePath *path;
GtkTreeIter iter;
gboolean active = FALSE;
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
model = gtk_tree_view_get_model (tree_view);
if (GTK_IS_TREE_MODEL_SORT (model))
{
sort_model = GTK_TREE_MODEL_SORT (model);
model = gtk_tree_model_sort_get_model (sort_model);
}
if (model == NULL)
return;
if (sort_model)
{
g_warning ("FIXME implement conversion from TreeModelSort iter to child model iter");
return;
}
path = gtk_tree_path_new_from_string (path_string);
if (!gtk_tree_model_get_iter (model,
&iter, path))
{
g_warning ("%s: bad path?", G_STRLOC);
return;
}
gtk_tree_path_free (path);
if (GTK_IS_LIST_STORE (model))
{
gtk_tree_model_get (GTK_TREE_MODEL (model),
&iter,
BOOL_COLUMN,
&active,
-1);
gtk_list_store_set (GTK_LIST_STORE (model),
&iter,
BOOL_COLUMN,
!active,
-1);
}
else if (GTK_IS_TREE_STORE (model))
{
gtk_tree_model_get (GTK_TREE_MODEL (model),
&iter,
BOOL_COLUMN,
&active,
-1);
gtk_tree_store_set (GTK_TREE_STORE (model),
&iter,
BOOL_COLUMN,
!active,
-1);
}
else
g_warning ("don't know how to actually toggle value for model type %s",
g_type_name (G_TYPE_FROM_INSTANCE (model)));
}
static void
edited_callback (GtkCellRendererText *renderer,
const gchar *path_string,
const gchar *new_text,
GtkTreeView *tree_view)
{
GtkTreeModel *model = NULL;
GtkTreeModelSort *sort_model = NULL;
GtkTreePath *path;
GtkTreeIter iter;
guint value = atoi (new_text);
g_return_if_fail (GTK_IS_TREE_VIEW (tree_view));
model = gtk_tree_view_get_model (tree_view);
if (GTK_IS_TREE_MODEL_SORT (model))
{
sort_model = GTK_TREE_MODEL_SORT (model);
model = gtk_tree_model_sort_get_model (sort_model);
}
if (model == NULL)
return;
if (sort_model)
{
g_warning ("FIXME implement conversion from TreeModelSort iter to child model iter");
return;
}
path = gtk_tree_path_new_from_string (path_string);
if (!gtk_tree_model_get_iter (model,
&iter, path))
{
g_warning ("%s: bad path?", G_STRLOC);
return;
}
gtk_tree_path_free (path);
if (GTK_IS_LIST_STORE (model))
{
gtk_list_store_set (GTK_LIST_STORE (model),
&iter,
4,
value,
-1);
}
else if (GTK_IS_TREE_STORE (model))
{
gtk_tree_store_set (GTK_TREE_STORE (model),
&iter,
4,
value,
-1);
}
else
g_warning ("don't know how to actually toggle value for model type %s",
g_type_name (G_TYPE_FROM_INSTANCE (model)));
}
static ColumnsType current_column_type = COLUMNS_LOTS;
static void
set_columns_type (GtkTreeView *tree_view, ColumnsType type)
{
GtkTreeViewColumn *col;
GtkCellRenderer *rend;
GdkPixbuf *pixbuf;
GtkWidget *image;
GtkAdjustment *adjustment;
current_column_type = type;
col = gtk_tree_view_get_column (tree_view, 0);
while (col)
{
gtk_tree_view_remove_column (tree_view, col);
col = gtk_tree_view_get_column (tree_view, 0);
}
switch (type)
{
case COLUMNS_NONE:
break;
case COLUMNS_LOTS:
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 1",
rend,
"text", 1,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
col = gtk_tree_view_column_new();
gtk_tree_view_column_set_title (col, "Column 2");
rend = gtk_cell_renderer_pixbuf_new ();
gtk_tree_view_column_pack_start (col, rend, FALSE);
gtk_tree_view_column_add_attribute (col, rend, "pixbuf", 2);
rend = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (col, rend, TRUE);
gtk_tree_view_column_add_attribute (col, rend, "text", 0);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
gtk_tree_view_set_expander_column (tree_view, col);
rend = gtk_cell_renderer_toggle_new ();
g_signal_connect (rend, "toggled",
G_CALLBACK (toggled_callback), tree_view);
col = gtk_tree_view_column_new_with_attributes ("Column 3",
rend,
"active", BOOL_COLUMN,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **)book_closed_xpm);
image = gtk_image_new_from_pixbuf (pixbuf);
g_object_unref (pixbuf);
gtk_widget_show (image);
gtk_tree_view_column_set_widget (col, image);
rend = gtk_cell_renderer_toggle_new ();
/* you could also set this per-row by tying it to a column
* in the model of course.
*/
g_object_set (rend, "radio", TRUE, NULL);
g_signal_connect (rend, "toggled",
G_CALLBACK (toggled_callback), tree_view);
col = gtk_tree_view_column_new_with_attributes ("Column 4",
rend,
"active", BOOL_COLUMN,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
rend = gtk_cell_renderer_spin_new ();
adjustment = gtk_adjustment_new (0, 0, 10000, 100, 100, 100);
g_object_set (rend, "editable", TRUE, NULL);
g_object_set (rend, "adjustment", adjustment, NULL);
g_signal_connect (rend, "edited",
G_CALLBACK (edited_callback), tree_view);
col = gtk_tree_view_column_new_with_attributes ("Column 5",
rend,
"text", 4,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
#if 0
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 6",
rend,
"text", 4,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 7",
rend,
"text", 5,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 8",
rend,
"text", 6,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 9",
rend,
"text", 7,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 10",
rend,
"text", 8,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), col);
#endif
/* FALL THRU */
case COLUMNS_ONE:
rend = gtk_cell_renderer_text_new ();
col = gtk_tree_view_column_new_with_attributes ("Column 0",
rend,
"text", 0,
NULL);
gtk_tree_view_insert_column (GTK_TREE_VIEW (tree_view), col, 0);
default:
break;
}
}
static ColumnsType
get_columns_type (void)
{
return current_column_type;
}
static GdkPixbuf *our_pixbuf;
typedef enum
{
/* MODEL_TYPES, */
MODEL_TREE,
MODEL_LIST,
MODEL_SORTED_TREE,
MODEL_SORTED_LIST,
MODEL_EMPTY_LIST,
MODEL_EMPTY_TREE,
MODEL_NULL,
MODEL_LAST
} ModelType;
/* FIXME add a custom model to test */
static GtkTreeModel *models[MODEL_LAST];
static const char *model_names[MODEL_LAST] = {
"GtkTreeStore",
"GtkListStore",
"GtkTreeModelSort wrapping GtkTreeStore",
"GtkTreeModelSort wrapping GtkListStore",
"Empty GtkListStore",
"Empty GtkTreeStore",
"NULL (no model)"
};
static GtkTreeModel*
create_list_model (void)
{
GtkListStore *store;
GtkTreeIter iter;
gint i;
GType *t;
t = get_model_types ();
store = gtk_list_store_new (N_COLUMNS,
t[0], t[1], t[2],
t[3], t[4], t[5],
t[6], t[7], t[8]);
i = 0;
while (i < 200)
{
char *msg;
gtk_list_store_append (store, &iter);
msg = g_strdup_printf ("%d", i);
gtk_list_store_set (store, &iter, 0, msg, 1, "Foo! Foo! Foo!",
2, our_pixbuf,
3, 7.0, 4, (guint) 9000,
5, 'f', 6, 'g',
7, TRUE, 8, 23245454,
-1);
g_free (msg);
++i;
}
return GTK_TREE_MODEL (store);
}
static void
typesystem_recurse (GType type,
GtkTreeIter *parent_iter,
GtkTreeStore *store)
{
GType* children;
guint n_children = 0;
gint i;
GtkTreeIter iter;
gchar *str;
gtk_tree_store_append (store, &iter, parent_iter);
str = g_strdup_printf ("%ld", (glong)type);
gtk_tree_store_set (store, &iter, 0, str, 1, g_type_name (type),
2, our_pixbuf,
3, 7.0, 4, (guint) 9000,
5, 'f', 6, 'g',
7, TRUE, 8, 23245454,
-1);
g_free (str);
children = g_type_children (type, &n_children);
i = 0;
while (i < n_children)
{
typesystem_recurse (children[i], &iter, store);
++i;
}
g_free (children);
}
static GtkTreeModel*
create_tree_model (void)
{
GtkTreeStore *store;
gint i;
GType *t;
/* Make the tree more interesting */
/* - we need this magic here so we are sure the type ends up being
* registered and gcc doesn't optimize away the code */
g_type_class_unref (g_type_class_ref (gtk_scrolled_window_get_type ()));
g_type_class_unref (g_type_class_ref (gtk_label_get_type ()));
g_type_class_unref (g_type_class_ref (gtk_scrollbar_get_type ()));
g_type_class_unref (g_type_class_ref (pango_layout_get_type ()));
t = get_model_types ();
store = gtk_tree_store_new (N_COLUMNS,
t[0], t[1], t[2],
t[3], t[4], t[5],
t[6], t[7], t[8]);
i = 0;
while (i < G_TYPE_FUNDAMENTAL_MAX)
{
typesystem_recurse (i, NULL, store);
++i;
}
return GTK_TREE_MODEL (store);
}
static void
model_selected (GtkComboBox *combo_box, gpointer data)
{
GtkTreeView *tree_view = GTK_TREE_VIEW (data);
gint hist;
hist = gtk_combo_box_get_active (combo_box);
if (models[hist] != gtk_tree_view_get_model (tree_view))
{
gtk_tree_view_set_model (tree_view, models[hist]);
}
}
static void
columns_selected (GtkComboBox *combo_box, gpointer data)
{
GtkTreeView *tree_view = GTK_TREE_VIEW (data);
gint hist;
hist = gtk_combo_box_get_active (combo_box);
if (hist != get_columns_type ())
{
set_columns_type (tree_view, hist);
}
}
void
on_row_activated (GtkTreeView *tree_view,
GtkTreePath *path,
GtkTreeViewColumn *column,
gpointer user_data)
{
g_print ("Row activated\n");
}
static void
quit_cb (GtkWidget *widget,
gpointer data)
{
gboolean *done = data;
*done = TRUE;
g_main_context_wakeup (NULL);
}
int
main (int argc,
char **argv)
{
GtkWidget *window;
GtkWidget *sw;
GtkWidget *tv;
GtkWidget *box;
GtkWidget *combo_box;
GtkTreeModel *model;
GdkContentFormats *targets;
gint i;
gboolean done = FALSE;
gtk_init ();
if (g_getenv ("RTL"))
gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
our_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) book_closed_xpm);
#if 0
models[MODEL_TYPES] = GTK_TREE_MODEL (gtk_tree_model_types_new ());
#endif
models[MODEL_LIST] = create_list_model ();
models[MODEL_TREE] = create_tree_model ();
model = create_list_model ();
models[MODEL_SORTED_LIST] = gtk_tree_model_sort_new_with_model (model);
g_object_unref (model);
model = create_tree_model ();
models[MODEL_SORTED_TREE] = gtk_tree_model_sort_new_with_model (model);
g_object_unref (model);
models[MODEL_EMPTY_LIST] = GTK_TREE_MODEL (gtk_list_store_new (1, G_TYPE_INT));
models[MODEL_EMPTY_TREE] = GTK_TREE_MODEL (gtk_tree_store_new (1, G_TYPE_INT));
models[MODEL_NULL] = NULL;
run_automated_tests ();
window = gtk_window_new ();
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
gtk_window_set_default_size (GTK_WINDOW (window), 430, 400);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), box);
tv = gtk_tree_view_new_with_model (models[0]);
g_signal_connect (tv, "row-activated", G_CALLBACK (on_row_activated), NULL);
targets = gdk_content_formats_new_for_gtype (GTK_TYPE_TREE_ROW_DATA);
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (tv),
GDK_BUTTON1_MASK,
targets,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (tv),
targets,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
gdk_content_formats_unref (targets);
/* Model menu */
combo_box = gtk_combo_box_text_new ();
gtk_widget_set_halign (combo_box, GTK_ALIGN_CENTER);
for (i = 0; i < MODEL_LAST; i++)
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), model_names[i]);
gtk_container_add (GTK_CONTAINER (box), combo_box);
g_signal_connect (combo_box,
"changed",
G_CALLBACK (model_selected),
tv);
/* Columns menu */
combo_box = gtk_combo_box_text_new ();
gtk_widget_set_halign (combo_box, GTK_ALIGN_CENTER);
for (i = 0; i < COLUMNS_LAST; i++)
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo_box), column_type_names[i]);
gtk_container_add (GTK_CONTAINER (box), combo_box);
set_columns_type (GTK_TREE_VIEW (tv), COLUMNS_LOTS);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), COLUMNS_LOTS);
g_signal_connect (combo_box,
"changed",
G_CALLBACK (columns_selected),
tv);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (box), sw);
gtk_container_add (GTK_CONTAINER (sw), tv);
gtk_widget_show (window);
while (!done)
g_main_context_iteration (NULL, TRUE);
return 0;
}
/*
* GtkTreeModelTypes
*/
static void gtk_tree_model_types_init (GtkTreeModelTypes *model_types);
static void gtk_tree_model_types_tree_model_init (GtkTreeModelIface *iface);
static gint gtk_real_model_types_get_n_columns (GtkTreeModel *tree_model);
static GType gtk_real_model_types_get_column_type (GtkTreeModel *tree_model,
gint index);
static GtkTreePath *gtk_real_model_types_get_path (GtkTreeModel *tree_model,
GtkTreeIter *iter);
static void gtk_real_model_types_get_value (GtkTreeModel *tree_model,
GtkTreeIter *iter,
gint column,
GValue *value);
static gboolean gtk_real_model_types_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter);
static gboolean gtk_real_model_types_iter_children (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent);
static gboolean gtk_real_model_types_iter_has_child (GtkTreeModel *tree_model,
GtkTreeIter *iter);
static gint gtk_real_model_types_iter_n_children (GtkTreeModel *tree_model,
GtkTreeIter *iter);
static gboolean gtk_real_model_types_iter_nth_child (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n);
static gboolean gtk_real_model_types_iter_parent (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *child);
GType
gtk_tree_model_types_get_type (void)
{
static GType model_types_type = 0;
if (!model_types_type)
{
const GTypeInfo model_types_info =
{
sizeof (GtkTreeModelTypesClass),
NULL, /* base_init */
NULL, /* base_finalize */
NULL, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkTreeModelTypes),
0,
(GInstanceInitFunc) gtk_tree_model_types_init
};
const GInterfaceInfo tree_model_info =
{
(GInterfaceInitFunc) gtk_tree_model_types_tree_model_init,
NULL,
NULL
};
model_types_type = g_type_register_static (G_TYPE_OBJECT,
"GtkTreeModelTypes",
&model_types_info, 0);
g_type_add_interface_static (model_types_type,
GTK_TYPE_TREE_MODEL,
&tree_model_info);
}
return model_types_type;
}
GtkTreeModelTypes *
gtk_tree_model_types_new (void)
{
GtkTreeModelTypes *retval;
retval = g_object_new (GTK_TYPE_MODEL_TYPES, NULL);
return retval;
}
static void
gtk_tree_model_types_tree_model_init (GtkTreeModelIface *iface)
{
iface->get_n_columns = gtk_real_model_types_get_n_columns;
iface->get_column_type = gtk_real_model_types_get_column_type;
iface->get_path = gtk_real_model_types_get_path;
iface->get_value = gtk_real_model_types_get_value;
iface->iter_next = gtk_real_model_types_iter_next;
iface->iter_children = gtk_real_model_types_iter_children;
iface->iter_has_child = gtk_real_model_types_iter_has_child;
iface->iter_n_children = gtk_real_model_types_iter_n_children;
iface->iter_nth_child = gtk_real_model_types_iter_nth_child;
iface->iter_parent = gtk_real_model_types_iter_parent;
}
static void
gtk_tree_model_types_init (GtkTreeModelTypes *model_types)
{
model_types->stamp = g_random_int ();
}
static GType column_types[] = {
G_TYPE_STRING, /* GType */
G_TYPE_STRING /* type name */
};
static gint
gtk_real_model_types_get_n_columns (GtkTreeModel *tree_model)
{
return G_N_ELEMENTS (column_types);
}
static GType
gtk_real_model_types_get_column_type (GtkTreeModel *tree_model,
gint index)
{
g_return_val_if_fail (index < G_N_ELEMENTS (column_types), G_TYPE_INVALID);
return column_types[index];
}
#if 0
/* Use default implementation of this */
static gboolean
gtk_real_model_types_get_iter (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreePath *path)
{
}
#endif
/* The toplevel nodes of the tree are the reserved types, G_TYPE_NONE through
* G_TYPE_RESERVED_FUNDAMENTAL.
*/
static GtkTreePath *
gtk_real_model_types_get_path (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
GtkTreePath *retval;
GType type;
GType parent;
g_return_val_if_fail (GTK_IS_TREE_MODEL_TYPES (tree_model), NULL);
g_return_val_if_fail (iter != NULL, NULL);
type = GPOINTER_TO_INT (iter->user_data);
retval = gtk_tree_path_new ();
parent = g_type_parent (type);
while (parent != G_TYPE_INVALID)
{
GType* children = g_type_children (parent, NULL);
gint i = 0;
if (!children || children[0] == G_TYPE_INVALID)
{
g_warning ("bad iterator?");
return NULL;
}
while (children[i] != type)
++i;
gtk_tree_path_prepend_index (retval, i);
g_free (children);
type = parent;
parent = g_type_parent (parent);
}
/* The fundamental type itself is the index on the toplevel */
gtk_tree_path_prepend_index (retval, type);
return retval;
}
static void
gtk_real_model_types_get_value (GtkTreeModel *tree_model,
GtkTreeIter *iter,
gint column,
GValue *value)
{
GType type;
type = GPOINTER_TO_INT (iter->user_data);
switch (column)
{
case 0:
{
gchar *str;
g_value_init (value, G_TYPE_STRING);
str = g_strdup_printf ("%ld", (long int) type);
g_value_set_string (value, str);
g_free (str);
}
break;
case 1:
g_value_init (value, G_TYPE_STRING);
g_value_set_string (value, g_type_name (type));
break;
default:
g_warning ("Bad column %d requested", column);
}
}
static gboolean
gtk_real_model_types_iter_next (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
GType parent;
GType type;
type = GPOINTER_TO_INT (iter->user_data);
parent = g_type_parent (type);
if (parent == G_TYPE_INVALID)
{
/* find next _valid_ fundamental type */
do
type++;
while (!g_type_name (type) && type <= G_TYPE_FUNDAMENTAL_MAX);
if (type <= G_TYPE_FUNDAMENTAL_MAX)
{
/* found one */
iter->user_data = GINT_TO_POINTER (type);
return TRUE;
}
else
return FALSE;
}
else
{
GType* children = g_type_children (parent, NULL);
gint i = 0;
g_assert (children != NULL);
while (children[i] != type)
++i;
++i;
if (children[i] != G_TYPE_INVALID)
{
iter->user_data = GINT_TO_POINTER (children[i]);
g_free (children);
return TRUE;
}
else
{
g_free (children);
return FALSE;
}
}
}
static gboolean
gtk_real_model_types_iter_children (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent)
{
GType type;
GType* children;
type = GPOINTER_TO_INT (parent->user_data);
children = g_type_children (type, NULL);
if (!children || children[0] == G_TYPE_INVALID)
{
g_free (children);
return FALSE;
}
else
{
iter->user_data = GINT_TO_POINTER (children[0]);
g_free (children);
return TRUE;
}
}
static gboolean
gtk_real_model_types_iter_has_child (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
GType type;
GType* children;
type = GPOINTER_TO_INT (iter->user_data);
children = g_type_children (type, NULL);
if (!children || children[0] == G_TYPE_INVALID)
{
g_free (children);
return FALSE;
}
else
{
g_free (children);
return TRUE;
}
}
static gint
gtk_real_model_types_iter_n_children (GtkTreeModel *tree_model,
GtkTreeIter *iter)
{
if (iter == NULL)
{
return G_TYPE_FUNDAMENTAL_MAX;
}
else
{
GType type;
GType* children;
guint n_children = 0;
type = GPOINTER_TO_INT (iter->user_data);
children = g_type_children (type, &n_children);
g_free (children);
return n_children;
}
}
static gboolean
gtk_real_model_types_iter_nth_child (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *parent,
gint n)
{
if (parent == NULL)
{
/* fundamental type */
if (n < G_TYPE_FUNDAMENTAL_MAX)
{
iter->user_data = GINT_TO_POINTER (n);
return TRUE;
}
else
return FALSE;
}
else
{
GType type = GPOINTER_TO_INT (parent->user_data);
guint n_children = 0;
GType* children = g_type_children (type, &n_children);
if (n_children == 0)
{
g_free (children);
return FALSE;
}
else if (n >= n_children)
{
g_free (children);
return FALSE;
}
else
{
iter->user_data = GINT_TO_POINTER (children[n]);
g_free (children);
return TRUE;
}
}
}
static gboolean
gtk_real_model_types_iter_parent (GtkTreeModel *tree_model,
GtkTreeIter *iter,
GtkTreeIter *child)
{
GType type;
GType parent;
type = GPOINTER_TO_INT (child->user_data);
parent = g_type_parent (type);
if (parent == G_TYPE_INVALID)
{
if (type > G_TYPE_FUNDAMENTAL_MAX)
g_warning ("no parent for %ld %s\n",
(long int) type,
g_type_name (type));
return FALSE;
}
else
{
iter->user_data = GINT_TO_POINTER (parent);
return TRUE;
}
}
/*
* Automated testing
*/
#if 0
static void
treestore_torture_recurse (GtkTreeStore *store,
GtkTreeIter *root,
gint depth)
{
GtkTreeModel *model;
gint i;
GtkTreeIter iter;
model = GTK_TREE_MODEL (store);
if (depth > 2)
return;
++depth;
gtk_tree_store_append (store, &iter, root);
gtk_tree_model_iter_children (model, &iter, root);
i = 0;
while (i < 100)
{
gtk_tree_store_append (store, &iter, root);
++i;
}
while (gtk_tree_model_iter_children (model, &iter, root))
gtk_tree_store_remove (store, &iter);
gtk_tree_store_append (store, &iter, root);
/* inserts before last node in tree */
i = 0;
while (i < 100)
{
gtk_tree_store_insert_before (store, &iter, root, &iter);
++i;
}
/* inserts after the node before the last node */
i = 0;
while (i < 100)
{
gtk_tree_store_insert_after (store, &iter, root, &iter);
++i;
}
/* inserts after the last node */
gtk_tree_store_append (store, &iter, root);
i = 0;
while (i < 100)
{
gtk_tree_store_insert_after (store, &iter, root, &iter);
++i;
}
/* remove everything again */
while (gtk_tree_model_iter_children (model, &iter, root))
gtk_tree_store_remove (store, &iter);
/* Prepends */
gtk_tree_store_prepend (store, &iter, root);
i = 0;
while (i < 100)
{
gtk_tree_store_prepend (store, &iter, root);
++i;
}
/* remove everything again */
while (gtk_tree_model_iter_children (model, &iter, root))
gtk_tree_store_remove (store, &iter);
gtk_tree_store_append (store, &iter, root);
gtk_tree_store_append (store, &iter, root);
gtk_tree_store_append (store, &iter, root);
gtk_tree_store_append (store, &iter, root);
while (gtk_tree_model_iter_children (model, &iter, root))
{
treestore_torture_recurse (store, &iter, depth);
gtk_tree_store_remove (store, &iter);
}
}
#endif
static void
run_automated_tests (void)
{
g_print ("Running automated tests...\n");
/* FIXME TreePath basic verification */
/* FIXME generic consistency checks on the models */
{
/* Make sure list store mutations don't crash anything */
GtkListStore *store;
GtkTreeModel *model;
gint i;
GtkTreeIter iter;
store = gtk_list_store_new (1, G_TYPE_INT);
model = GTK_TREE_MODEL (store);
i = 0;
while (i < 100)
{
gtk_list_store_append (store, &iter);
++i;
}
while (gtk_tree_model_get_iter_first (model, &iter))
gtk_list_store_remove (store, &iter);
gtk_list_store_append (store, &iter);
/* inserts before last node in list */
i = 0;
while (i < 100)
{
gtk_list_store_insert_before (store, &iter, &iter);
++i;
}
/* inserts after the node before the last node */
i = 0;
while (i < 100)
{
gtk_list_store_insert_after (store, &iter, &iter);
++i;
}
/* inserts after the last node */
gtk_list_store_append (store, &iter);
i = 0;
while (i < 100)
{
gtk_list_store_insert_after (store, &iter, &iter);
++i;
}
/* remove everything again */
while (gtk_tree_model_get_iter_first (model, &iter))
gtk_list_store_remove (store, &iter);
/* Prepends */
gtk_list_store_prepend (store, &iter);
i = 0;
while (i < 100)
{
gtk_list_store_prepend (store, &iter);
++i;
}
/* remove everything again */
while (gtk_tree_model_get_iter_first (model, &iter))
gtk_list_store_remove (store, &iter);
g_object_unref (store);
}
{
/* Make sure tree store mutations don't crash anything */
GtkTreeStore *store;
GtkTreeIter root;
store = gtk_tree_store_new (1, G_TYPE_INT);
gtk_tree_store_append (GTK_TREE_STORE (store), &root, NULL);
/* Remove test until it is rewritten to work */
/* treestore_torture_recurse (store, &root, 0);*/
g_object_unref (store);
}
g_print ("Passed.\n");
}
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