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Ensure that only one pointer is handled at a time in behaivorSelect

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This commit is contained in:
Quincy Morgan
2020-05-12 16:10:07 -04:00
parent 20fadf0b1a
commit 4fede5214a
1 changed files with 30 additions and 26 deletions
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56
modules/behavior/select.js
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@@ -18,6 +18,7 @@ export function behaviorSelect(context) {
var _lastMouse = null;
var _showMenu = false;
var _p1 = null;
var _downPointerId = null;
var _longPressTimeout;
// use pointer events on supported platforms; fallback to mouse events
@@ -63,30 +64,29 @@ export function behaviorSelect(context) {
function pointerdown() {
if (!_p1) {
_p1 = point();
if (_p1) return;
if (_longPressTimeout) window.clearTimeout(_longPressTimeout);
_p1 = point();
_downPointerId = d3_event.pointerId || 'mouse';
var node = this;
if (_longPressTimeout) window.clearTimeout(_longPressTimeout);
_longPressTimeout = window.setTimeout(function didLongPress() {
// simulate context menu event
if (window.CustomEvent) {
node.dispatchEvent(new CustomEvent('contextmenu'));
} else if (document.createEvent) {
var e = document.createEvent('HTMLEvents');
e.initEvent('contextmenu', true, false);
node.dispatchEvent(e);
} else { // IE
node.fireEvent('oncontextmenu');
}
}, 500);
}
var node = this;
if (d3_event) {
_lastMouse = d3_event;
}
_longPressTimeout = window.setTimeout(function didLongPress() {
// simulate context menu event
if (window.CustomEvent) {
node.dispatchEvent(new CustomEvent('contextmenu'));
} else if (document.createEvent) {
var e = document.createEvent('HTMLEvents');
e.initEvent('contextmenu', true, false);
node.dispatchEvent(e);
} else { // IE
node.fireEvent('oncontextmenu');
}
}, 500);
_lastMouse = d3_event;
d3_select(window)
.on(_pointerPrefix + 'up.select', pointerup, true);
@@ -96,13 +96,19 @@ export function behaviorSelect(context) {
function pointermove() {
if (d3_event) {
_lastMouse = d3_event;
}
if (_downPointerId && _downPointerId !== (d3_event.pointerId || 'mouse')) return;
_lastMouse = d3_event;
}
function pointerup() {
if (_downPointerId !== (d3_event.pointerId || 'mouse')) return;
_downPointerId = null;
d3_select(window)
.on(_pointerPrefix + 'up.select', null, true);
click();
}
@@ -131,9 +137,6 @@ export function behaviorSelect(context) {
function click() {
if (_longPressTimeout) window.clearTimeout(_longPressTimeout);
d3_select(window)
.on(_pointerPrefix + 'up.select', null, true);
if (!_p1) return;
var p2 = point();
var dist = geoVecLength(_p1, p2);
@@ -230,6 +233,7 @@ export function behaviorSelect(context) {
_lastMouse = null;
_showMenu = false;
_p1 = null;
_downPointerId = null;
d3_select(window)
.on('keydown.select', keydown)