+/** Snap a frame offset within our region using the current snap settings.
+ * @param x Frame offset from this region's position.
+ * @return Snapped frame offset from this region's position.
+ */
+frameoffset_t
+RegionView::snap_frame_to_frame (frameoffset_t x) const
+{
+ PublicEditor& editor = trackview.editor();
+
+ /* x is region relative, convert it to global absolute frames */
+ framepos_t const session_frame = x + _region->position();
+
+ /* try a snap in either direction */
+ framepos_t frame = session_frame;
+ editor.snap_to (frame, 0);
+
+ /* if we went off the beginning of the region, snap forwards */
+ if (frame < _region->position ()) {
+ frame = session_frame;
+ editor.snap_to (frame, 1);
+ }
+
+ /* back to region relative */
+ return frame - _region->position();
+}