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Merge pull request #2037 from openseadragon/ig-event

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Attempting to get the original target for click events
This commit is contained in:
Ian Gilman 2021-09-27 11:26:48 -07:00 committed by GitHub
commit 8e20ac8fb9
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 10 deletions
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25
src/mousetracker.js
View File

@ -737,6 +737,8 @@
* True if the original event is a touch event, otherwise false. <span style="color:red;">Deprecated. Use pointerType and/or originalEvent instead.</span>
* @param {Object} event.originalEvent
* The original event object.
* @param {Element} event.originalTarget
* The DOM element clicked on.
* @param {Object} event.userData
* Arbitrary user-defined object.
*/
@ -1191,7 +1193,7 @@
* the emulated event, a synthetic event object created with values from the actual DOM event,
* or null if no DOM event applies. Emulated events can occur on eventType "wheel" on legacy mouse-scroll
* event emitting user agents.
* @property {Boolean} isStopable
* @property {Boolean} isStoppable
* True if propagation of the event (e.g. bubbling) can be stopped with stopPropagation/stopImmediatePropagation.
* @property {Boolean} isCancelable
* True if the event's default handling by the browser can be prevented with preventDefault.
@ -2838,7 +2840,7 @@
function getEventProcessDefaults( tracker, eventInfo ) {
switch ( eventInfo.eventType ) {
case 'pointermove':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false;
eventInfo.preventGesture = !tracker.hasGestureHandlers;
@ -2850,28 +2852,28 @@
case 'keydown':
case 'keyup':
case 'keypress':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false; // onContextMenu(), onKeyDown(), onKeyUp(), onKeyPress() may set true
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'pointerdown':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false; // updatePointerDown() may set true (tracker.hasGestureHandlers)
eventInfo.preventGesture = !tracker.hasGestureHandlers;
eventInfo.stopPropagation = false;
break;
case 'pointerup':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false;
eventInfo.preventGesture = !tracker.hasGestureHandlers;
eventInfo.stopPropagation = false;
break;
case 'wheel':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = false; // handleWheelEvent() may set true
eventInfo.preventGesture = !tracker.hasScrollHandler;
@ -2880,21 +2882,21 @@
case 'gotpointercapture':
case 'lostpointercapture':
case 'pointercancel':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = false;
eventInfo.preventDefault = false;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'click':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = !!tracker.clickHandler;
eventInfo.preventGesture = false;
eventInfo.stopPropagation = false;
break;
case 'dblclick':
eventInfo.isStopable = true;
eventInfo.isStoppable = true;
eventInfo.isCancelable = true;
eventInfo.preventDefault = !!tracker.dblClickHandler;
eventInfo.preventGesture = false;
@ -2905,7 +2907,7 @@
case 'pointerenter':
case 'pointerleave':
default:
eventInfo.isStopable = false;
eventInfo.isStoppable = false;
eventInfo.isCancelable = false;
eventInfo.preventDefault = false;
eventInfo.preventGesture = false;
@ -3272,6 +3274,7 @@
//updateGPoint.captured = true; // Handled by updatePointerCaptured()
updateGPoint.insideElementPressed = true;
updateGPoint.insideElement = true;
updateGPoint.originalTarget = eventInfo.originalEvent.target;
updateGPoint.contactPos = gPoint.currentPos;
updateGPoint.contactTime = gPoint.currentTime;
updateGPoint.lastPos = updateGPoint.currentPos;
@ -3286,6 +3289,7 @@
gPoint.captured = false; // Handled by updatePointerCaptured()
gPoint.insideElementPressed = true;
gPoint.insideElement = true;
gPoint.originalTarget = eventInfo.originalEvent.target;
startTrackingPointer( pointsList, gPoint );
return;
}
@ -3504,6 +3508,7 @@
shift: eventInfo.originalEvent.shiftKey,
isTouchEvent: updateGPoint.type === 'touch',
originalEvent: eventInfo.originalEvent,
originalTarget: updateGPoint.originalTarget,
userData: tracker.userData
}
);

2
src/viewer.js
View File

@ -2850,6 +2850,7 @@ function onCanvasClick( event ) {
quick: event.quick,
shift: event.shift,
originalEvent: event.originalEvent,
originalTarget: event.originalTarget,
preventDefaultAction: false
};
@ -2865,6 +2866,7 @@ function onCanvasClick( event ) {
* @property {Boolean} quick - True only if the clickDistThreshold and clickTimeThreshold are both passed. Useful for differentiating between clicks and drags.
* @property {Boolean} shift - True if the shift key was pressed during this event.
* @property {Object} originalEvent - The original DOM event.
* @property {Element} originalTarget - The DOM element clicked on.
* @property {Boolean} preventDefaultAction - Set to true to prevent default click to zoom behaviour. Default: false.
* @property {?Object} userData - Arbitrary subscriber-defined object.
*/