Fix global search by username in PeerListBox.

Telegram/SourceFiles/boxes/contacts_box.cpp

@@ -316,6 +316,13 @@ void ContactsBox::resizeEvent(QResizeEvent *e) {
 	_inner->resize(width(), _inner->height());
 }
 
+void ContactsBox::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+	for (auto rect : e->region().rects()) {
+		p.fillRect(rect, st::contactsBg);
+	}
+}
+
 void ContactsBox::closeHook() {
 	if (_channel && _creating == CreatingGroupChannel) {
 		Ui::showPeerHistory(_channel, ShowAtTheEndMsgId);

Telegram/SourceFiles/boxes/contacts_box.h

@@ -82,6 +82,7 @@ protected:
 
 	void keyPressEvent(QKeyEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
 
 private:
 	object_ptr<Ui::WidgetSlideWrap<Ui::MultiSelect>> createMultiSelect();

Telegram/SourceFiles/boxes/members_box.cpp

@@ -127,6 +127,13 @@ void MembersBox::resizeEvent(QResizeEvent *e) {
 	_inner->resize(width(), _inner->height());
 }
 
+void MembersBox::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+	for (auto rect : e->region().rects()) {
+		p.fillRect(rect, st::contactsBg);
+	}
+}
+
 void MembersBox::onAdd() {
 	if (_inner->filter() == MembersFilter::Recent && _inner->channel()->membersCount() >= (_inner->channel()->isMegagroup() ? Global::MegagroupSizeMax() : Global::ChatSizeMax())) {
 		Ui::show(Box<MaxInviteBox>(_inner->channel()->inviteLink()), KeepOtherLayers);

Telegram/SourceFiles/boxes/members_box.h

@@ -65,6 +65,7 @@ protected:
 
 	void keyPressEvent(QKeyEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
 
 private:
 	void onAdd();

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -114,6 +114,13 @@ void PeerListBox::resizeEvent(QResizeEvent *e) {
 	_inner->resize(width(), _inner->height());
 }
 
+void PeerListBox::paintEvent(QPaintEvent *e) {
+	Painter p(this);
+	for (auto rect : e->region().rects()) {
+		p.fillRect(rect, st::contactsBg);
+	}
+}
+
 void PeerListBox::setInnerFocus() {
 	if (!_select || _select->isHidden()) {
 		_inner->setFocus();
@@ -1239,13 +1246,15 @@ PeerListGlobalSearchController::PeerListGlobalSearchController() {
 }
 
 void PeerListGlobalSearchController::searchQuery(const QString &query) {
+	if (_query != query) {
 		_query = query;
 		_requestId = 0;
-	if (_query.isEmpty() && !searchInCache()) {
+		if (_query.size() >= MinUsernameLength && !searchInCache()) {
 			_timer.callOnce(AutoSearchTimeout);
 		} else {
 			_timer.cancel();
 		}
+	}
 }
 
 bool PeerListGlobalSearchController::searchInCache() {

Telegram/SourceFiles/boxes/peer_list_box.h

@@ -337,6 +337,7 @@ protected:
 
 	void keyPressEvent(QKeyEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
 
 private:
 	void peerListAddSelectedRowInBunch(gsl::not_null<PeerData*> peer) override {