(line, start, dir, byUnit)
| 8716 | // LTR text touch each other. This often requires the cursor offset |
| 8717 | // to move more than one unit, in order to visually move one unit. |
| 8718 | function moveVisually(line, start, dir, byUnit) { |
| 8719 | var bidi = getOrder(line); |
| 8720 | if (!bidi) return moveLogically(line, start, dir, byUnit); |
| 8721 | var pos = getBidiPartAt(bidi, start), part = bidi[pos]; |
| 8722 | var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); |
| 8723 | |
| 8724 | for (;;) { |
| 8725 | if (target > part.from && target < part.to) return target; |
| 8726 | if (target == part.from || target == part.to) { |
| 8727 | if (getBidiPartAt(bidi, target) == pos) return target; |
| 8728 | part = bidi[pos += dir]; |
| 8729 | return (dir > 0) == part.level % 2 ? part.to : part.from; |
| 8730 | } else { |
| 8731 | part = bidi[pos += dir]; |
| 8732 | if (!part) return null; |
| 8733 | if ((dir > 0) == part.level % 2) |
| 8734 | target = moveInLine(line, part.to, -1, byUnit); |
| 8735 | else |
| 8736 | target = moveInLine(line, part.from, 1, byUnit); |
| 8737 | } |
| 8738 | } |
| 8739 | } |
| 8740 | |
| 8741 | function moveLogically(line, start, dir, byUnit) { |
| 8742 | var target = start + dir; |
no test coverage detected