static int view_pan_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
SpaceClip *sc = CTX_wm_space_clip(C);
ViewPanData *vpd = op->customdata;
float offset[2];
switch (event->type) {
case MOUSEMOVE:
copy_v2_v2(vpd->vec, &vpd->xorig);
offset[0] = (vpd->x - event->x) / sc->zoom;
offset[1] = (vpd->y - event->y) / sc->zoom;
RNA_float_set_array(op->ptr, "offset", offset);
view_pan_exec(C, op);
break;
case ESCKEY:
view_pan_exit(C, op, 1);
return OPERATOR_CANCELLED;
case SPACEKEY:
view_pan_exit(C, op, 0);
return OPERATOR_FINISHED;
default:
if (event->type == vpd->event_type && event->val == KM_RELEASE) {
view_pan_exit(C, op, 0);
return OPERATOR_FINISHED;
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
static int view_pan_cancel(bContext *C, wmOperator *op)
{
view_pan_exit(C, op, 1);
return OPERATOR_CANCELLED;
}
static void view_pan_cancel(bContext *C, wmOperator *op)
{
view_pan_exit(C, op, true);
}