static int view_zoom_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
ViewZoomData *vpd = op->customdata;
float delta, factor;
switch (event->type) {
case MOUSEMOVE:
delta = event->x - vpd->x + event->y - vpd->y;
if (U.uiflag & USER_ZOOM_INVERT)
delta *= -1;
factor = 1.0f + delta / 300.0f;
RNA_float_set(op->ptr, "factor", factor);
sclip_zoom_set(C, vpd->zoom * factor, vpd->location);
ED_region_tag_redraw(CTX_wm_region(C));
break;
default:
if (event->type == vpd->event_type && event->val == KM_RELEASE) {
view_zoom_exit(C, op, 0);
return OPERATOR_FINISHED;
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
static int view_zoom_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
ViewZoomData *vpd = op->customdata;
switch (event->type) {
case TIMER:
if (event->customdata == vpd->timer) {
view_zoom_apply(C, vpd, op, event);
}
break;
case MOUSEMOVE:
view_zoom_apply(C, vpd, op, event);
break;
default:
if (event->type == vpd->event_type && event->val == KM_RELEASE) {
view_zoom_exit(C, op, 0);
return OPERATOR_FINISHED;
}
break;
}
return OPERATOR_RUNNING_MODAL;
}
static int view_zoom_cancel(bContext *C, wmOperator *op)
{
view_zoom_exit(C, op, 1);
return OPERATOR_CANCELLED;
}
static void view_zoom_cancel(bContext *C, wmOperator *op)
{
view_zoom_exit(C, op, true);
}