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GtkGestureZoom: Don't leak the list of sequences

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https://bugzilla.gnome.org/show_bug.cgi?id=789149
This commit is contained in:
Debarshi Ray 2017-10-18 16:44:33 +02:00
parent 82e33823a9
commit 7ee0e65631
1 changed files with 10 additions and 6 deletions
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16
gtk/gtkgesturezoom.c
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@ -79,18 +79,19 @@ _gtk_gesture_zoom_get_distance (GtkGestureZoom *zoom,
const GdkEvent *last_event;
gdouble x1, y1, x2, y2;
GtkGesture *gesture;
GList *sequences;
GList *sequences = NULL;
gdouble dx, dy;
GdkTouchpadGesturePhase phase;
gboolean retval = FALSE;
gesture = GTK_GESTURE (zoom);
if (!gtk_gesture_is_recognized (gesture))
return FALSE;
goto out;
sequences = gtk_gesture_get_sequences (gesture);
if (!sequences)
return FALSE;
goto out;
last_event = gtk_gesture_get_last_event (gesture, sequences->data);
gdk_event_get_touchpad_gesture_phase (last_event, &phase);
@ -109,18 +110,21 @@ _gtk_gesture_zoom_get_distance (GtkGestureZoom *zoom,
else
{
if (!sequences->next)
return FALSE;
goto out;
gtk_gesture_get_point (gesture, sequences->data, &x1, &y1);
gtk_gesture_get_point (gesture, sequences->next->data, &x2, &y2);
g_list_free (sequences);
dx = x1 - x2;
dy = y1 - y2;;
*distance = sqrt ((dx * dx) + (dy * dy));
}
return TRUE;
retval = TRUE;
out:
g_list_free (sequences);
return retval;
}
static gboolean