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changed ref_count field to be of type guint. added check for ref_count>0;

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Fri Apr 24 01:29:04 1998  Tim Janik  <timj@gtk.org>

        * gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
                field to be of type guint.
                        * gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
                                ref_count>0;
                                        (gtk_accelerator_table_install): keep a per object list of accelerator
                                                tables that refer to this object.
                                                        (gtk_accelerator_table_remove): remove the accelerator table from the
                                                                per object list.
                                                                        (gtk_accelerator_table_clean): warn if there are any object references
                                                                                left in an accelerator table upon destruction.
                                                                                        (gtk_accelerator_tables_delete): new function to delete object
                                                                                                references from the accelerator tables associated with this object.

                                                                                                        * gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
                                                                                                                GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
                                                                                                                        of an accelerator can be prevented by gtk_signal_emit_stop().
                                                                                                                                (gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
                                                                                                                                        so there are no stale pointers in accelerator tables left.



this change is binary compatible, so just touch gtkaccelerator.h -r gtkwidget.h
This commit is contained in:
Tim Janik 1998-04-24 00:26:01 +00:00 committed by Tim Janik
parent 9546a9dc14
commit 3e3c14e9ef
10 changed files with 238 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
ChangeLog
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-0
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-10
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-2
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-4
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-6
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

21
ChangeLog.pre-2-8
View File

@ -1,3 +1,24 @@
Fri Apr 24 01:29:04 1998 Tim Janik <timj@gtk.org>
* gtk/gtkaccelerator.h (struct _GtkAcceleratorTable): changed ref_count
field to be of type guint.
* gtk/gtkaccelerator.c (gtk_accelerator_table_unref): added check for
ref_count>0;
(gtk_accelerator_table_install): keep a per object list of accelerator
tables that refer to this object.
(gtk_accelerator_table_remove): remove the accelerator table from the
per object list.
(gtk_accelerator_table_clean): warn if there are any object references
left in an accelerator table upon destruction.
(gtk_accelerator_tables_delete): new function to delete object
references from the accelerator tables associated with this object.
* gtk/gtkwidget.c (gtk_widget_class_init): changed emission of
GtkWidget::install_accelerator to GTK_RUN_LAST so the installation
of an accelerator can be prevented by gtk_signal_emit_stop().
(gtk_widget_real_destroy): call gtk_accelerator_tables_delete (),
so there are no stale pointers in accelerator tables left.
1998-04-22 Federico Mena Quintero <federico@nuclecu.unam.mx>
* gtk/gtkbin.c (gtk_bin_remove): Remember whether the widget was

85
gtk/gtkaccelerator.c
View File

@ -39,6 +39,8 @@ static void gtk_accelerator_table_clean (GtkAcceleratorTable *table);
static GtkAcceleratorTable *default_table = NULL;
static GSList *tables = NULL;
static guint8 gtk_accelerator_table_default_mod_mask = (guint8) ~0;
static const gchar *actable_key = "gtk-accelerator-tables";
static guint actable_key_id = 0;
GtkAcceleratorTable*
@ -46,6 +48,9 @@ gtk_accelerator_table_new ()
{
GtkAcceleratorTable *table;
if (!actable_key_id)
actable_key_id = gtk_object_data_force_id (actable_key);
table = g_new (GtkAcceleratorTable, 1);
gtk_accelerator_table_init (table);
@ -109,9 +114,10 @@ void
gtk_accelerator_table_unref (GtkAcceleratorTable *table)
{
g_return_if_fail (table != NULL);
g_return_if_fail (table->ref_count > 0);
table->ref_count -= 1;
if (table->ref_count <= 0)
if (table->ref_count == 0)
{
tables = g_slist_remove (tables, table);
gtk_accelerator_table_clean (table);
@ -154,6 +160,12 @@ gtk_accelerator_table_install (GtkAcceleratorTable *table,
if ((entry->modifiers & table->modifier_mask) ==
(accelerator_mods & table->modifier_mask))
{
gtk_object_set_data_by_id (entry->object,
actable_key_id,
g_slist_remove (gtk_object_get_data_by_id (entry->object,
actable_key_id),
table));
if (GTK_IS_WIDGET (entry->object))
{
signame = gtk_signal_name (entry->signal_id);
@ -165,6 +177,12 @@ gtk_accelerator_table_install (GtkAcceleratorTable *table,
entry->modifiers = accelerator_mods;
entry->object = object;
entry->signal_id = signal_id;
gtk_object_set_data_by_id (entry->object,
actable_key_id,
g_slist_prepend (gtk_object_get_data_by_id (entry->object,
actable_key_id),
table));
return;
}
@ -175,7 +193,13 @@ gtk_accelerator_table_install (GtkAcceleratorTable *table,
entry->modifiers = accelerator_mods;
entry->object = object;
entry->signal_id = signal_id;
gtk_object_set_data_by_id (entry->object,
actable_key_id,
g_slist_prepend (gtk_object_get_data_by_id (entry->object,
actable_key_id),
table));
gtk_accelerator_table_ref (table);
table->entries[hash] = g_list_prepend (table->entries[hash], entry);
}
@ -225,7 +249,14 @@ gtk_accelerator_table_remove (GtkAcceleratorTable *table,
temp_list->next = NULL;
temp_list->prev = NULL;
g_list_free (temp_list);
gtk_object_set_data_by_id (object,
actable_key_id,
g_slist_remove (gtk_object_get_data_by_id (object,
actable_key_id),
table));
gtk_accelerator_table_unref (table);
return;
}
@ -332,6 +363,9 @@ gtk_accelerator_table_clean (GtkAcceleratorTable *table)
for (i = 0; i < 256; i++)
{
entries = table->entries[i];
if (entries)
g_warning ("stale object reference in accelerator table (%d)", i);
while (entries)
{
entry = entries->data;
@ -344,3 +378,48 @@ gtk_accelerator_table_clean (GtkAcceleratorTable *table)
table->entries[i] = NULL;
}
}
void
gtk_accelerator_tables_delete (GtkObject *object)
{
GSList *slist;
g_return_if_fail (object != NULL);
slist = gtk_object_get_data_by_id (object, actable_key_id);
if (slist)
{
for (; slist; slist = slist->next)
{
GtkAcceleratorTable *table;
guint i;
table = slist->data;
for (i = 0; i < 256; i++)
{
GList *entries;
entries = table->entries[i];
while (entries)
{
GtkAcceleratorEntry *entry;
entry = entries->data;
entries = entries->next;
if (entry->object == object)
{
table->entries[i] = g_list_remove (table->entries[i], entry);
g_free (entry);
}
}
}
gtk_accelerator_table_unref (table);
}
gtk_object_remove_data_by_id (object, actable_key_id);
}
}

5
gtk/gtkaccelerator.h
View File

@ -26,6 +26,7 @@
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */
@ -34,7 +35,7 @@ typedef struct _GtkAcceleratorTable GtkAcceleratorTable;
struct _GtkAcceleratorTable
{
GList *entries[256];
gint ref_count;
guint ref_count;
guint8 modifier_mask;
};
@ -60,6 +61,8 @@ void gtk_accelerator_table_remove (GtkAcceleratorTable *table,
gint gtk_accelerator_table_check (GtkAcceleratorTable *table,
const guchar accelerator_key,
guint8 accelerator_mods);
void gtk_accelerator_tables_delete (GtkObject *object);
void gtk_accelerator_table_set_mod_mask (GtkAcceleratorTable *table,
guint8 modifier_mask);

9
gtk/gtkwidget.c
View File

@ -419,7 +419,7 @@ gtk_widget_class_init (GtkWidgetClass *klass)
GTK_TYPE_BOXED);
widget_signals[INSTALL_ACCELERATOR] =
gtk_signal_new ("install_accelerator",
GTK_RUN_FIRST,
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (GtkWidgetClass, install_accelerator),
gtk_widget_marshal_signal_2,
@ -3490,12 +3490,13 @@ gtk_widget_real_destroy (GtkObject *object)
gtk_grab_remove (widget);
gtk_selection_remove_all (widget);
saved_style = gtk_object_get_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id);
gtk_accelerator_tables_delete (object);
saved_style = gtk_object_get_data_by_id (object, saved_default_style_key_id);
if (saved_style)
{
gtk_style_unref (saved_style);
gtk_object_remove_data_by_id (GTK_OBJECT (widget), saved_default_style_key_id);
gtk_object_remove_data_by_id (object, saved_default_style_key_id);
}
gtk_style_unref (widget->style);