Add tabbed-panel-show-on-click option.

Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "mainwindow.h"
 #include "core/application.h"
+#include "base/options.h"
 #include "styles/style_chat_helpers.h"
 
 namespace ChatHelpers {
@@ -22,8 +23,16 @@ namespace {
 constexpr auto kHideTimeoutMs = 300;
 constexpr auto kDelayedHideTimeoutMs = 3000;
 
+base::options::toggle TabbedPanelShowOnClick({
+	.id = kOptionTabbedPanelShowOnClick,
+	.name = "Show tabbed panel by click",
+	.description = "Show Emoji / Stickers / GIFs panel only after a click.",
+});
+
 } // namespace
 
+const char kOptionTabbedPanelShowOnClick[] = "tabbed-panel-show-on-click";
+
 TabbedPanel::TabbedPanel(
 	QWidget *parent,
 	not_null<Window::SessionController*> controller,
@@ -408,7 +417,9 @@ void TabbedPanel::showStarted() {
 }
 
 bool TabbedPanel::eventFilter(QObject *obj, QEvent *e) {
-	if (e->type() == QEvent::Enter) {
+	if (TabbedPanelShowOnClick.value()) {
+		return false;
+	} else if (e->type() == QEvent::Enter) {
 		otherEnter();
 	} else if (e->type() == QEvent::Leave) {
 		otherLeave();

Telegram/SourceFiles/chat_helpers/tabbed_panel.h

@@ -24,6 +24,8 @@ namespace ChatHelpers {
 
 class TabbedSelector;
 
+extern const char kOptionTabbedPanelShowOnClick[];
+
 class TabbedPanel : public Ui::RpWidget {
 public:
 	TabbedPanel(

Telegram/SourceFiles/history/history_widget.cpp

@@ -934,7 +934,11 @@ void HistoryWidget::initTabbedSelector() {
 	refreshTabbedPanel();
 
 	_tabbedSelectorToggle->addClickHandler([=] {
-		toggleTabbedSelectorMode();
+		if (_tabbedPanel && _tabbedPanel->isHidden()) {
+			_tabbedPanel->showAnimated();
+		} else {
+			toggleTabbedSelectorMode();
+		}
 	});
 
 	const auto selector = controller()->tabbedSelector();

Telegram/SourceFiles/settings/settings_experimental.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/wrap/vertical_layout.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
+#include "base/options.h"
 #include "chat_helpers/tabbed_panel.h"
 #include "lang/lang_keys.h"
 #include "styles/style_settings.h"
@@ -18,6 +19,26 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Settings {
 namespace {
 
+void AddOption(
+		not_null<Ui::VerticalLayout*> container,
+		base::options::option<bool> &option) {
+	const auto name = option.name().isEmpty() ? option.id() : option.name();
+	AddButton(
+		container,
+		rpl::single(name),
+		st::settingsButton
+	)->toggleOn(rpl::single(option.value()))->toggledChanges(
+	) | rpl::start_with_next([=, &option](bool toggled) {
+		option.set(toggled);
+	}, container->lifetime());
+
+	const auto &description = option.description();
+	if (!description.isEmpty()) {
+		AddSkip(container, st::settingsCheckboxesSkip);
+		AddDividerText(container, rpl::single(description));
+	}
+}
+
 void SetupExperimental(
 		not_null<Window::SessionController*> controller,
 		not_null<Ui::VerticalLayout*> container) {
@@ -33,6 +54,14 @@ void SetupExperimental(
 	AddDivider(container);
 
 	AddSkip(container, st::settingsCheckboxesSkip);
+
+	const auto addToggle = [&](const char name[]) {
+		AddOption(container, base::options::lookup<bool>(name));
+	};
+
+	addToggle(ChatHelpers::kOptionTabbedPanelShowOnClick);
+
+	AddSkip(container, st::settingsCheckboxesSkip);
 }
 
 } // namespace