Merge pull request #4696 from aaronraimist/empty-formatbar

Don't show FormatBar if composer is empty

Author: turt2live

src/components/views/rooms/BasicMessageComposer.js

@@ -359,14 +359,16 @@ export default class BasicMessageEditor extends React.Component {
     }
 
     _onSelectionChange = () => {
+        const {isEmpty} = this.props.model;
+
         this._refreshLastCaretIfNeeded();
         const selection = document.getSelection();
         if (this._hasTextSelected && selection.isCollapsed) {
             this._hasTextSelected = false;
             if (this._formatBarRef) {
                 this._formatBarRef.hide();
             }
-        } else if (!selection.isCollapsed) {
+        } else if (!selection.isCollapsed && !isEmpty) {
             this._hasTextSelected = true;
             if (this._formatBarRef) {
                 const selectionRect = selection.getRangeAt(0).getBoundingClientRect();