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Code Issues Releases Wiki Activity

Use setCapture to capture the mouse while dragging points.

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This commit is contained in:
Markus Stange 2016-11-26 11:59:11 -05:00
parent 0dfe585e6b
commit 4fd72fc51d
1 changed files with 6 additions and 2 deletions
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8
components/Graphic.jsx
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@ -114,6 +114,10 @@ var Graphic = React.createClass({
if (this.props.onMouseDown) {
this.props.onMouseDown(evt, this);
}
if ('setCapture' in evt.target) {
evt.target.setCapture();
}
},
mouseMove: function(evt) {
@ -143,8 +147,8 @@ var Graphic = React.createClass({
if(this.movingPoint) {
this.ox = evt.offsetX - this.mx;
this.oy = evt.offsetY - this.my;
this.mp.x = this.cx + this.ox;
this.mp.y = this.cy + this.oy;
this.mp.x = Math.max(0, Math.min(this.defaultWidth, this.cx + this.ox));
this.mp.y = Math.max(0, Math.min(this.defaultHeight, this.cy + this.oy));
if (this.curve.forEach) {
for (var i=0, c, _pts; i<this.curve.length; i++) {
c = this.curve[i];