waveterm/xterm.js
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Support DOMMouseScroll event (Firefox)

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Daniel Imms
2016-08-03 13:00:07 -07:00
parent fe905bace5
commit 38fa2d78da
1 changed files with 15 additions and 4 deletions
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src/xterm.js
+15 -4
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@@ -407,12 +407,23 @@
Viewport.prototype.onWheel = function(ev) {
// Fallback to WheelEvent.DOM_DELTA_PIXEL
var multiplier = 1;
if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
var delta = 0;
if (ev.type === 'DOMMouseScroll') {
if (ev.axis !== MouseScrollEvent.VERTICAL_AXIS) {
return;
}
delta = ev.detail;
// Firefox treats ev.detail as lines, not pixels
multiplier = this.currentRowHeight;
} else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
multiplier = this.currentRowHeight * this.terminal.rows;
} else if (ev.type === 'mousewheel') {
delta = ev.deltaY
if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
multiplier = this.currentRowHeight;
} else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
multiplier = this.currentRowHeight * this.terminal.rows;
}
}
this.viewportElement.scrollTop += ev.deltaY * multiplier;
this.viewportElement.scrollTop += delta * multiplier;
// Prevent the page from scrolling when the terminal scrolls
ev.preventDefault();
};