Spaces autofocus and prefill the search box

src/components/structures/SearchBox.js

@@ -32,6 +32,8 @@ export default class SearchBox extends React.Component {
         onKeyDown: PropTypes.func,
         className: PropTypes.string,
         placeholder: PropTypes.string.isRequired,
+        autoFocus: PropTypes.bool,
+        initialValue: PropTypes.string,
 
         // If true, the search box will focus and clear itself
         // on room search focus action (it would be nicer to take
@@ -49,7 +51,7 @@ export default class SearchBox extends React.Component {
         this._search = createRef();
 
         this.state = {
-            searchTerm: "",
+            searchTerm: this.props.initialValue || "",
             blurred: true,
         };
     }
@@ -158,6 +160,7 @@ export default class SearchBox extends React.Component {
                     onBlur={this._onBlur}
                     placeholder={ placeholder }
                     autoComplete="off"
+                    autoFocus={this.props.autoFocus}
                 />
                 { clearButton }
             </div>

src/components/structures/SpaceRoomDirectory.tsx

@@ -570,6 +570,8 @@ const SpaceRoomDirectory: React.FC<IProps> = ({ space, initialText = "", onFinis
                     className="mx_textinput_icon mx_textinput_search"
                     placeholder={ _t("Search names and description") }
                     onSearch={setQuery}
+                    autoFocus={true}
+                    initialValue={initialText}
                 />
 
                 { content }

src/components/views/dialogs/AddExistingToSpaceDialog.tsx

@@ -127,6 +127,7 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
             className="mx_textinput_icon mx_textinput_search"
             placeholder={ _t("Filter your rooms and spaces") }
             onSearch={setQuery}
+            autoComplete={true}
         />
         <AutoHideScrollbar className="mx_AddExistingToSpaceDialog_content" id="mx_AddExistingToSpaceDialog">
             { spaces.length > 0 ? (