+ int visx = hidden.absoluteToVisibleColumn(seqCanvas.cursorX - dx);
+ int[] region = hidden.getRegionWithEdgeAtRes(visx);
+
+ if (region != null) // just in case
+ {
+ if (dx == 1)
+ {
+ // moving right
+ seqCanvas.cursorX = region[1] + 1;
+ }
+ else if (dx == -1)
+ {
+ // moving left
+ seqCanvas.cursorX = region[0] - 1;
+ }
+ }
+ seqCanvas.cursorX = (seqCanvas.cursorX < 0) ? 0 : seqCanvas.cursorX;