display: Fix coordinate calculations

https://bugzilla.gnome.org/show_bug.cgi?id=681475
This commit is contained in:
Benjamin Berg 2012-09-16 17:09:45 -04:00 committed by Matthias Clasen
parent bfca71076d
commit a61f0654b9

View file

@ -1194,17 +1194,10 @@ user_to_device (double *x, double *y,
gdouble ox, oy;
user_to_device_data* data = user_data;
/* Required in case the user does transformations (eg. translates) */
/* The translations by the user */
cairo_user_to_device (data->cr, x, y);
/* The device offset is different for a full redraw.
* So we cannot make assumptions about it. */
cairo_surface_get_device_offset(cairo_get_target(data->cr), &ox, &oy);
*x -= ox;
*y -= oy;
/* The input_window does not of the allocation offset. */
/* The position of the widget on the window. */
*x -= data->allocation.x;
*y -= data->allocation.y;
}