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Fixes Alt + click behaviour when rows are wrapped #2670

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Merged
Tyriar merged 7 commits into from
Feb 3, 2020
Merged

Fixes Alt + click behaviour when rows are wrapped #2670

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f5c3b00
Fixes Alt + click behaviour when rows are wrapped
kumaran-14 Jan 9, 2020
76d4de2
Run eslint and fix errors
kumaran-14 Jan 9, 2020
af67b72
Fix unit tests for MoveToCellSequence
kumaran-14 Jan 15, 2020
b591ccc
Fix moveToCell when target is beyond buffer
kumaran-14 Feb 2, 2020
7d84083
Fix algorithm to move the right amount of cells
Tyriar Feb 3, 2020
bb944f1
Fix and add more MoveToCell tests
Tyriar Feb 3, 2020
8093a5f
Fix lint
Tyriar Feb 3, 2020
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14 changes: 7 additions & 7 deletions src/browser/input/MoveToCell.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -23,15 +23,15 @@ describe('MoveToCell', () => {
assert.equal(moveToCellSequence(4, 3, bufferService, false), '\x1b[C');
});
it('should ignore the Y value', () => {
assert.equal(moveToCellSequence(1, 1, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 2, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 3, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 4, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 5, bufferService, false), '\x1b[D\x1b[D');
assert.equal(moveToCellSequence(1, 1, bufferService, false), '\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D');
assert.equal(moveToCellSequence(1, 2, bufferService, false), '\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D');
assert.equal(moveToCellSequence(1, 3, bufferService, false), '\u001b[D\u001b[D');
assert.equal(moveToCellSequence(1, 4, bufferService, false), '\u001b[C\u001b[C\u001b[C');
assert.equal(moveToCellSequence(1, 5, bufferService, false), '\u001b[C\u001b[C\u001b[C');
});
it('should use the correct character for application cursor', () => {
assert.equal(moveToCellSequence(2, 1, bufferService, false), '\x1b[D');
assert.equal(moveToCellSequence(2, 1, bufferService, true), '\x1bOD');
assert.equal(moveToCellSequence(2, 1, bufferService, false), '\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D');
assert.equal(moveToCellSequence(2, 1, bufferService, true), '\u001bOD\u001bOD\u001bOD\u001bOD\u001bOD\u001bOD');
});
});

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24 changes: 23 additions & 1 deletion src/browser/input/MoveToCell.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,29 @@ export function moveToCellSequence(targetX: number, targetY: number, bufferServi
}

// Only move horizontally for the normal buffer
return moveHorizontallyOnly(startX, startY, targetX, targetY, bufferService, applicationCursor);
let direction;
if (startY === targetY) {
direction = startX > targetX ? Direction.LEFT : Direction.RIGHT;
return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));
}
direction = startY > targetY ? Direction.LEFT : Direction.RIGHT;
return repeat(colsFromRowEnd(startY > targetY ? targetX : startX, bufferService), sequence(direction, applicationCursor))
+ repeat((Math.abs(wrappedRowsForRow(bufferService, startY) - wrappedRowsForRow(bufferService, targetY)) - 1 ) * bufferService.cols, sequence(direction, applicationCursor))
+ repeat(colsFromRowBeginning(startY > targetY ? startX : targetX, bufferService), sequence(direction, applicationCursor));
}

/**
* Find the number of cols from a row beginning to a col.
*/
function colsFromRowBeginning(currX: number, bufferService: IBufferService): number {
return Math.abs(currX);
}

/**
* Find the number of cols from a col to row end.
*/
function colsFromRowEnd(currX: number, bufferService: IBufferService): number {
return Math.abs(bufferService.cols - currX);
}

/**
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