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app: don't hold a direct reference to actions in the action history 

Instead, store only the action's name, and look it up upon searching.

Keeping a reference to the actions in the history extended the lifetime of
actions that sohuld have otherwise died, leading to all sorts of nastiness.  In
particular, the Alt+[n] actions to switch between images would remain bound to
their accelerator after the image has been closed, holding a dangling display
pointer, which would lead to a segfault, or fail with a CRITICAL message, when
using the accelerator again.
This commit is contained in:
Ell 2016-05-16 12:19:24 +00:00
parent 4132c0b3e7
commit 8d9df886e2
1 changed files with 34 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
app/widgets/gimpaction-history.c
View File

@ -47,9 +47,8 @@ enum
typedef struct
{
GtkAction *action;
const gchar *name;
gint count;
gchar *action_name;
gint count;
} GimpActionHistoryItem;
static struct
@ -59,7 +58,7 @@ static struct
static GimpActionHistoryItem *
gimp_action_history_item_new (GtkAction *action,
gimp_action_history_item_new (const gchar *action_name,
gint count);
static void gimp_action_history_item_free (GimpActionHistoryItem *item);
@ -75,7 +74,6 @@ void
gimp_action_history_init (Gimp *gimp)
{
GimpGuiConfig *config;
GimpUIManager *manager;
GFile *file;
GScanner *scanner;
GTokenType token;
@ -103,8 +101,6 @@ gimp_action_history_init (Gimp *gimp)
if (! scanner)
return;
manager = gimp_ui_managers_from_name ("<Image>")->data;
g_scanner_scope_add_symbol (scanner, 0, "history-item",
GINT_TO_POINTER (HISTORY_ITEM));
@ -123,37 +119,33 @@ gimp_action_history_init (Gimp *gimp)
case G_TOKEN_SYMBOL:
if (scanner->value.v_symbol == GINT_TO_POINTER (HISTORY_ITEM))
{
GtkAction *action;
gchar *name;
gchar *action_name;
token = G_TOKEN_STRING;
if (g_scanner_peek_next_token (scanner) != token)
break;
if (! gimp_scanner_parse_string (scanner, &name))
if (! gimp_scanner_parse_string (scanner, &action_name))
break;
action = gimp_ui_manager_find_action (manager, NULL, name);
g_free (name);
token = G_TOKEN_INT;
if (g_scanner_peek_next_token (scanner) != token)
break;
if (! gimp_scanner_parse_int (scanner, &count))
break;
if (action)
if (g_scanner_peek_next_token (scanner) != token ||
! gimp_scanner_parse_int (scanner, &count))
{
history.items =
g_list_insert_sorted (history.items,
gimp_action_history_item_new (action, count),
(GCompareFunc) gimp_action_history_init_compare_func);
n_items++;
g_free (action_name);
break;
}
history.items =
g_list_insert_sorted (history.items,
gimp_action_history_item_new (action_name, count),
(GCompareFunc) gimp_action_history_init_compare_func);
n_items++;
g_free (action_name);
}
token = G_TOKEN_RIGHT_PAREN;
break;
@ -227,7 +219,7 @@ gimp_action_history_exit (Gimp *gimp)
item = actions->data;
gimp_config_writer_open (writer, "history-item");
gimp_config_writer_string (writer, item->name);
gimp_config_writer_string (writer, item->action_name);
gimp_config_writer_printf (writer, "%d", item->count - min_count);
gimp_config_writer_close (writer);
}
@ -259,6 +251,7 @@ gimp_action_history_search (Gimp *gimp,
const gchar *keyword)
{
GimpGuiConfig *config;
GimpUIManager *manager;
GList *actions;
GList *result = NULL;
gint i;
@ -266,14 +259,19 @@ gimp_action_history_search (Gimp *gimp,
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (match_func != NULL, NULL);
config = GIMP_GUI_CONFIG (gimp->config);
config = GIMP_GUI_CONFIG (gimp->config);
manager = gimp_ui_managers_from_name ("<Image>")->data;
for (actions = history.items, i = 0;
actions && i < config->action_history_size;
actions = g_list_next (actions), i++)
{
GimpActionHistoryItem *item = actions->data;
GtkAction *action = item->action;
GtkAction *action;
action = gimp_ui_manager_find_action (manager, NULL, item->action_name);
if (action == NULL)
continue;
if (! gtk_action_is_sensitive (action) &&
! config->search_show_unavailable)
@ -326,7 +324,7 @@ gimp_action_history_activate_callback (GtkAction *action,
{
GimpActionHistoryItem *item = actions->data;
if (g_strcmp0 (action_name, item->name) == 0)
if (g_strcmp0 (action_name, item->action_name) == 0)
{
GimpActionHistoryItem *next_item;
@ -375,7 +373,7 @@ gimp_action_history_activate_callback (GtkAction *action,
/* If we are here, this action is not logged yet. */
history.items =
g_list_insert_sorted (history.items,
gimp_action_history_item_new (action, 1),
gimp_action_history_item_new (action_name, 1),
(GCompareFunc) gimp_action_history_compare_func);
}
@ -383,14 +381,13 @@ gimp_action_history_activate_callback (GtkAction *action,
/* private functions */
static GimpActionHistoryItem *
gimp_action_history_item_new (GtkAction *action,
gint count)
gimp_action_history_item_new (const gchar *action_name,
gint count)
{
GimpActionHistoryItem *item = g_new0 (GimpActionHistoryItem, 1);
item->action = g_object_ref (action);
item->name = gtk_action_get_name (action);
item->count = count;
item->action_name = g_strdup (action_name);
item->count = count;
return item;
}
@ -398,7 +395,7 @@ gimp_action_history_item_new (GtkAction *action,
static void
gimp_action_history_item_free (GimpActionHistoryItem *item)
{
g_object_unref (item->action);
g_free (item->action_name);
g_free (item);
}