(line, start, dir, byUnit)
| 8441 | // LTR text touch each other. This often requires the cursor offset |
| 8442 | // to move more than one unit, in order to visually move one unit. |
| 8443 | function moveVisually(line, start, dir, byUnit) { |
| 8444 | var bidi = getOrder(line); |
| 8445 | if (!bidi) return moveLogically(line, start, dir, byUnit); |
| 8446 | var pos = getBidiPartAt(bidi, start), part = bidi[pos]; |
| 8447 | var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); |
| 8448 | |
| 8449 | for (;;) { |
| 8450 | if (target > part.from && target < part.to) return target; |
| 8451 | if (target == part.from || target == part.to) { |
| 8452 | if (getBidiPartAt(bidi, target) == pos) return target; |
| 8453 | part = bidi[pos += dir]; |
| 8454 | return (dir > 0) == part.level % 2 ? part.to : part.from; |
| 8455 | } else { |
| 8456 | part = bidi[pos += dir]; |
| 8457 | if (!part) return null; |
| 8458 | if ((dir > 0) == part.level % 2) |
| 8459 | target = moveInLine(line, part.to, -1, byUnit); |
| 8460 | else |
| 8461 | target = moveInLine(line, part.from, 1, byUnit); |
| 8462 | } |
| 8463 | } |
| 8464 | } |
| 8465 | |
| 8466 | function moveLogically(line, start, dir, byUnit) { |
| 8467 | var target = start + dir; |
no test coverage detected