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more initMouseEvent replacement #2934

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Merged
merged 1 commit into from
Jan 26, 2025
Merged

more initMouseEvent replacement #2934

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44 changes: 3 additions & 41 deletions src/dd-touch.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
*/

import { DDManager } from './dd-manager';
import { Utils } from './gridstack';

/**
* Detect touch support - Windows Surface devices and other touch devices
Expand Down Expand Up @@ -51,26 +52,8 @@ function simulateMouseEvent(e: TouchEvent, simulatedType: string) {
// Prevent "Ignored attempt to cancel a touchmove event with cancelable=false" errors
if (e.cancelable) e.preventDefault();

const touch = e.changedTouches[0], simulatedEvent = new MouseEvent(simulatedType, {
bubbles: true,
composed: true,
cancelable: true,
view: window,
detail: 1,
screenX: touch.screenX,
screenY: touch.screenY,
clientX: touch.clientX,
clientY: touch.clientY,
ctrlKey: false,
altKey: false,
shiftKey: false,
metaKey: false,
button: 0,
relatedTarget: null
});

// Dispatch the simulated event to the target element
e.target.dispatchEvent(simulatedEvent);
Utils.simulateMouseEvent(e.changedTouches[0], simulatedType);
}

/**
Expand All @@ -83,29 +66,8 @@ function simulatePointerMouseEvent(e: PointerEvent, simulatedType: string) {
// Prevent "Ignored attempt to cancel a touchmove event with cancelable=false" errors
if (e.cancelable) e.preventDefault();

const simulatedEvent = document.createEvent('MouseEvents');

// Initialize the simulated mouse event using the touch event's coordinates
simulatedEvent.initMouseEvent(
simulatedType, // type
true, // bubbles
true, // cancelable
window, // view
1, // detail
e.screenX, // screenX
e.screenY, // screenY
e.clientX, // clientX
e.clientY, // clientY
false, // ctrlKey
false, // altKey
false, // shiftKey
false, // metaKey
0, // button
null // relatedTarget
);

// Dispatch the simulated event to the target element
e.target.dispatchEvent(simulatedEvent);
Utils.simulateMouseEvent(e, simulatedType);
}


Expand Down
41 changes: 21 additions & 20 deletions src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -562,26 +562,27 @@ export class Utils {
return {...evt, ...obj} as unknown as T;
}

/** copies the MouseEvent properties and sends it as another event to the given target */
public static simulateMouseEvent(e: MouseEvent, simulatedType: string, target?: EventTarget): void {
const simulatedEvent = document.createEvent('MouseEvents');
simulatedEvent.initMouseEvent(
simulatedType, // type
true, // bubbles
true, // cancelable
window, // view
1, // detail
e.screenX, // screenX
e.screenY, // screenY
e.clientX, // clientX
e.clientY, // clientY
e.ctrlKey, // ctrlKey
e.altKey, // altKey
e.shiftKey, // shiftKey
e.metaKey, // metaKey
0, // button
e.target // relatedTarget
);
/** copies the MouseEvent (or convert Touch) properties and sends it as another event to the given target */
public static simulateMouseEvent(e: MouseEvent | Touch, simulatedType: string, target?: EventTarget): void {
const me = e as MouseEvent;
const simulatedEvent = new MouseEvent(simulatedType, {
bubbles: true,
composed: true,
cancelable: true,
view: window,
detail: 1,
screenX: e.screenX,
screenY: e.screenY,
clientX: e.clientX,
clientY: e.clientY,
ctrlKey: me.ctrlKey??false,
altKey: me.altKey??false,
shiftKey: me.shiftKey??false,
metaKey: me.metaKey??false,
button: 0,
relatedTarget: e.target
});

(target || e.target).dispatchEvent(simulatedEvent);
}

Expand Down