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Allow to drag THEN press alt to duplicate (#1373)

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* fix typo

* duplicate elements when alt is pressed on pointer move

* document use case

Co-authored-by: dwelle <luzar.david@gmail.com>
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Tom Dohnal 2020-04-11 13:37:43 +02:00 • committed by GitHub
parent 5ca763cdbb
commit f3ef93e9ce
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5 changed files with 68 additions and 50 deletions
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13
src/tests/move.test.tsx
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@ -74,17 +74,22 @@ describe("duplicate element on move when ALT is clicked", () => {
renderScene.mockClear();
}
fireEvent.pointerDown(canvas, { clientX: 50, clientY: 20, altKey: true });
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40 });
fireEvent.pointerDown(canvas, { clientX: 50, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40, altKey: true });
// firing another pointerMove event with alt key pressed should NOT trigger
// another duplication
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40, altKey: true });
fireEvent.pointerMove(canvas, { clientX: 10, clientY: 60 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(3);
expect(renderScene).toHaveBeenCalledTimes(5);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(2);
// previous element should stay intact
expect([h.elements[0].x, h.elements[0].y]).toEqual([30, 20]);
expect([h.elements[1].x, h.elements[1].y]).toEqual([0, 40]);
expect([h.elements[1].x, h.elements[1].y]).toEqual([-10, 60]);
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});