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Change history scolling so it doesn't interfere with moving between lines, even when those lines are wrapped rather than hard line breaks.

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This commit is contained in:
David Baker 2016-01-15 18:31:07 +00:00
parent 6bd09512de
commit 52de322789
1 changed files with 12 additions and 17 deletions
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29
src/components/views/rooms/MessageComposer.js
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@ -209,23 +209,18 @@ module.exports = React.createClass({
this.sentHistory.push(input);
this.onEnter(ev);
}
else if (ev.keyCode === KeyCode.UP) {
var input = this.refs.textarea.value;
var offset = this.refs.textarea.selectionStart || 0;
if (ev.ctrlKey || !input.substr(0, offset).match(/\n/)) {
this.sentHistory.next(1);
ev.preventDefault();
this.resizeInput();
}
}
else if (ev.keyCode === KeyCode.DOWN) {
var input = this.refs.textarea.value;
var offset = this.refs.textarea.selectionStart || 0;
if (ev.ctrlKey || !input.substr(offset).match(/\n/)) {
this.sentHistory.next(-1);
ev.preventDefault();
this.resizeInput();
}
else if (ev.keyCode === KeyCode.UP || ev.keyCode === KeyCode.DOWN) {
var oldSelectionStart = this.refs.textarea.selectionStart;
// Remember the keyboard because React will recycle the synthetic event
var keyCode = ev.keyCode;
// set a callback so we can see if the cursor position changes as
// a result of this event. If it doesn't, we cycle history.
setTimeout(() => {
if (this.refs.textarea.selectionStart == oldSelectionStart) {
this.sentHistory.next(keyCode === KeyCode.UP ? 1 : -1);
this.resizeInput();
}
}, 0);
}
if (this.props.tabComplete) {