+
+ // hide columns - box moves drag distance + hidden cols, vertically makes no
+ // difference
+ hiddenCols.hideColumns(1, 4);
+ od.updateViewportFromMouse(0, 0, al.getHiddenSequences(), hiddenCols);
+ od.setDragPoint(4, 16, al.getHiddenSequences(), hiddenCols);
+ od.adjustViewportFromMouse(20, 22, al.getHiddenSequences(), hiddenCols);
+ od.setBoxPosition(al.getHiddenSequences(), hiddenCols);
+
+ // corner moves 16 (20-4) + hiddenCols right and 6 (22-16) down
+ assertEquals(od.getBoxX(),
+ 16 + Math.round((float) 4 * od.getWidth() / alwidth));
+ assertEquals(od.getBoxY(), 6);
+
+ // hide sequences in box area
+ // makes absolutely no difference
+ hideSequences(1, 3);
+ od.updateViewportFromMouse(0, 0, al.getHiddenSequences(), hiddenCols);
+ od.setDragPoint(4, 16, al.getHiddenSequences(), hiddenCols);
+ od.adjustViewportFromMouse(20, 22, al.getHiddenSequences(), hiddenCols);
+ od.setBoxPosition(al.getHiddenSequences(), hiddenCols);
+
+ // corner moves 16 (20-4) + hiddenCols right and 6 (22-16) + hiddenRows down
+ assertEquals(od.getBoxX(),
+ 16 + Math.round((float) 4 * od.getWidth() / alwidth));
+ assertEquals(od.getBoxY(),
+ 6 + Math.round((float) 3 * od.getHeight() / alheight));