Merge branch 'fix-gtkgesturerotate-potential-leak' into 'master'

gtkgesturerotate: Fix a memory leak

See merge request GNOME/gtk!1260
This commit is contained in:
Matthias Clasen 2019-12-19 03:42:31 +00:00
commit 08f7526f8f

View File

@ -82,21 +82,21 @@ _gtk_gesture_rotate_get_angle (GtkGestureRotate *rotate,
gdouble x1, y1, x2, y2; gdouble x1, y1, x2, y2;
GtkGesture *gesture; GtkGesture *gesture;
gdouble dx, dy; gdouble dx, dy;
GList *sequences; GList *sequences = NULL;
GdkTouchpadGesturePhase phase; GdkTouchpadGesturePhase phase;
gboolean retval = FALSE;
gesture = GTK_GESTURE (rotate); gesture = GTK_GESTURE (rotate);
priv = gtk_gesture_rotate_get_instance_private (rotate); priv = gtk_gesture_rotate_get_instance_private (rotate);
if (!gtk_gesture_is_recognized (gesture)) if (!gtk_gesture_is_recognized (gesture))
return FALSE; goto out;
sequences = gtk_gesture_get_sequences (gesture); sequences = gtk_gesture_get_sequences (gesture);
if (!sequences) if (!sequences)
return FALSE; goto out;
last_event = gtk_gesture_get_last_event (gesture, sequences->data); last_event = gtk_gesture_get_last_event (gesture, sequences->data);
gdk_event_get_touchpad_gesture_phase (last_event, &phase); gdk_event_get_touchpad_gesture_phase (last_event, &phase);
if (gdk_event_get_event_type (last_event) == GDK_TOUCHPAD_PINCH && if (gdk_event_get_event_type (last_event) == GDK_TOUCHPAD_PINCH &&
@ -109,11 +109,10 @@ _gtk_gesture_rotate_get_angle (GtkGestureRotate *rotate,
else else
{ {
if (!sequences->next) if (!sequences->next)
return FALSE; goto out;
gtk_gesture_get_point (gesture, sequences->data, &x1, &y1); gtk_gesture_get_point (gesture, sequences->data, &x1, &y1);
gtk_gesture_get_point (gesture, sequences->next->data, &x2, &y2); gtk_gesture_get_point (gesture, sequences->next->data, &x2, &y2);
g_list_free (sequences);
dx = x1 - x2; dx = x1 - x2;
dy = y1 - y2; dy = y1 - y2;
@ -127,7 +126,11 @@ _gtk_gesture_rotate_get_angle (GtkGestureRotate *rotate,
*angle = fmod (*angle, 2 * G_PI); *angle = fmod (*angle, 2 * G_PI);
} }
return TRUE; retval = TRUE;
out:
g_list_free (sequences);
return retval;
} }
static gboolean static gboolean