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Copy pressed_keys list before sending released/cancelled signal (RHBZ#737396).

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This commit is contained in:
Daiki Ueno
2011-09-12 11:06:26 +09:00
parent 0d93f31eea
commit f72e9f5293
2 changed files with 30 additions and 17 deletions
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33
eek/eek-gtk-keyboard.c
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@ -229,12 +229,17 @@ eek_gtk_keyboard_real_button_release_event (GtkWidget *self,
GdkEventButton *event)
{
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
GList *head;
GList *head = eek_keyboard_get_pressed_keys (priv->keyboard);
head = eek_keyboard_get_pressed_keys (priv->keyboard);
for (; head; head = g_list_next (head)) {
/* Make a copy of HEAD before sending "released" signal on
elements, so that the default handler of
EekKeyboard::key-released signal can remove elements from its
internal copy */
head = g_list_copy (head);
for (; head; head = g_list_next (head))
g_signal_emit_by_name (head->data, "released", priv->keyboard);
}
g_list_free (head);
return TRUE;
}
@ -251,12 +256,20 @@ eek_gtk_keyboard_real_motion_notify_event (GtkWidget *self,
if (key) {
GList *head = eek_keyboard_get_pressed_keys (priv->keyboard);
gboolean found = FALSE;
/* Make a copy of HEAD before sending "cancelled" signal on
elements, so that the default handler of
EekKeyboard::key-cancelled signal can remove elements from its
internal copy */
head = g_list_copy (head);
for (; head; head = g_list_next (head)) {
if (head->data == key)
found = TRUE;
else
g_signal_emit_by_name (head->data, "cancelled", priv->keyboard);
}
g_list_free (head);
if (!found)
g_signal_emit_by_name (key, "pressed", priv->keyboard);
}
@ -269,12 +282,16 @@ eek_gtk_keyboard_real_unmap (GtkWidget *self)
EekGtkKeyboardPrivate *priv = EEK_GTK_KEYBOARD_GET_PRIVATE(self);
if (priv->keyboard) {
GList *head;
GList *head = eek_keyboard_get_pressed_keys (priv->keyboard);
head = eek_keyboard_get_pressed_keys (priv->keyboard);
for (; head; head = g_list_next (head)) {
/* Make a copy of HEAD before sending "released" signal on
elements, so that the default handler of
EekKeyboard::key-released signal can remove elements from its
internal copy */
head = g_list_copy (head);
for (; head; head = g_list_next (head))
g_signal_emit_by_name (head->data, "released", priv->keyboard);
}
g_list_free (head);
}
GTK_WIDGET_CLASS (eek_gtk_keyboard_parent_class)->unmap (self);