@tldraw/editor
Version:
tldraw infinite canvas SDK (editor).
99 lines (98 loc) • 3.37 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var useSelectionEvents_exports = {};
__export(useSelectionEvents_exports, {
useSelectionEvents: () => useSelectionEvents
});
module.exports = __toCommonJS(useSelectionEvents_exports);
var import_react = require("react");
var import_constants = require("../constants");
var import_dom = require("../utils/dom");
var import_getPointerInfo = require("../utils/getPointerInfo");
var import_useEditor = require("./useEditor");
function useSelectionEvents(handle) {
const editor = (0, import_useEditor.useEditor)();
const events = (0, import_react.useMemo)(
function selectionEvents() {
const onPointerDown = (e) => {
if (e.isKilled) return;
if (e.button === import_constants.RIGHT_MOUSE_BUTTON) {
editor.dispatch({
type: "pointer",
target: "selection",
handle,
name: "right_click",
...(0, import_getPointerInfo.getPointerInfo)(e)
});
return;
}
if (e.button !== 0) return;
const elm = (0, import_dom.loopToHtmlElement)(e.currentTarget);
function releaseCapture() {
elm.removeEventListener("pointerup", releaseCapture);
(0, import_dom.releasePointerCapture)(elm, e);
}
(0, import_dom.setPointerCapture)(elm, e);
elm.addEventListener("pointerup", releaseCapture);
editor.dispatch({
name: "pointer_down",
type: "pointer",
target: "selection",
handle,
...(0, import_getPointerInfo.getPointerInfo)(e)
});
(0, import_dom.stopEventPropagation)(e);
};
let lastX, lastY;
function onPointerMove(e) {
if (e.isKilled) return;
if (e.button !== 0) return;
if (e.clientX === lastX && e.clientY === lastY) return;
lastX = e.clientX;
lastY = e.clientY;
editor.dispatch({
name: "pointer_move",
type: "pointer",
target: "selection",
handle,
...(0, import_getPointerInfo.getPointerInfo)(e)
});
}
const onPointerUp = (e) => {
if (e.isKilled) return;
if (e.button !== 0) return;
editor.dispatch({
name: "pointer_up",
type: "pointer",
target: "selection",
handle,
...(0, import_getPointerInfo.getPointerInfo)(e)
});
};
return {
onPointerDown,
onPointerMove,
onPointerUp
};
},
[editor, handle]
);
return events;
}
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