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Catch pageup/down and ctrl-home/end at the top level

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Make the scroll keys work when the focus is outside the message panel.
This commit is contained in:
Richard van der Hoff 2016-04-05 13:14:11 +01:00
parent c5c9cad0cb
commit 8b8ee21765
7 changed files with 189 additions and 23 deletions
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55
src/components/structures/MatrixChat.js
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@ -35,6 +35,7 @@ var Tinter = require("../../Tinter");
var sdk = require('../../index');
var MatrixTools = require('../../MatrixTools');
var linkifyMatrix = require("../../linkify-matrix");
var KeyCode = require('../../KeyCode');
module.exports = React.createClass({
displayName: 'MatrixChat',
@ -722,11 +723,10 @@ module.exports = React.createClass({
},
onKeyDown: function(ev) {
if (ev.altKey) {
/*
// Remove this for now as ctrl+alt = alt-gr so this breaks keyboards which rely on alt-gr for numbers
// Will need to find a better meta key if anyone actually cares about using this.
if (ev.ctrlKey && ev.keyCode > 48 && ev.keyCode < 58) {
if (ev.altKey && ev.ctrlKey && ev.keyCode > 48 && ev.keyCode < 58) {
dis.dispatch({
action: 'view_indexed_room',
roomIndex: ev.keyCode - 49,
@ -736,18 +736,45 @@ module.exports = React.createClass({
return;
}
*/
switch (ev.keyCode) {
case 38:
dis.dispatch({action: 'view_prev_room'});
ev.stopPropagation();
ev.preventDefault();
break;
case 40:
dis.dispatch({action: 'view_next_room'});
ev.stopPropagation();
ev.preventDefault();
break;
}
var handled = false;
switch (ev.keyCode) {
case KeyCode.UP:
case KeyCode.DOWN:
if (ev.altKey) {
var action = ev.keyCode == KeyCode.UP ?
'view_prev_room' : 'view_next_room';
dis.dispatch({action: action});
handled = true;
}
break;
case KeyCode.PAGE_UP:
case KeyCode.PAGE_DOWN:
this._onScrollKeyPressed(ev);
handled = true;
break;
case KeyCode.HOME:
case KeyCode.END:
if (ev.ctrlKey) {
this._onScrollKeyPressed(ev);
handled = true;
}
break;
}
if (handled) {
ev.stopPropagation();
ev.preventDefault();
}
},
/** dispatch a page-up/page-down/etc to the appropriate component */
_onScrollKeyPressed(ev) {
if (this.refs.roomView) {
this.refs.roomView.handleScrollKey(ev);
}
},