Added ability to switch filters in share and forward boxes with hotkey.

Telegram/SourceFiles/ui/widgets/chat_filters_tabs_slider.h

@@ -35,6 +35,9 @@ public:
 	void fitWidthToSections() override;
 	void setUnreadCount(int index, int unreadCount, bool muted);
 	void setLockedFrom(int index);
+	[[nodiscard]] int lockedFrom() const {
+		return _lockedFrom;
+	}
 
 	[[nodiscard]] rpl::producer<int> contextMenuRequested() const;
 	[[nodiscard]] rpl::producer<> lockedClicked() const;

Telegram/SourceFiles/ui/widgets/chat_filters_tabs_strip.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/filters/edit_filter_box.h"
 #include "boxes/premium_limits_box.h"
 #include "core/application.h"
+#include "core/shortcuts.h"
 #include "core/ui_integration.h"
 #include "data/data_chat_filters.h"
 #include "data/data_peer_values.h" // Data::AmPremiumValue.
@@ -204,7 +205,8 @@ not_null<Ui::RpWidget*> AddChatFiltersTabsStrip(
 		Fn<void(FilterId)> choose,
 		ChatHelpers::PauseReason pauseLevel,
 		Window::SessionController *controller,
-		bool trackActiveFilterAndUnreadAndReorder) {
+		bool trackActiveFilterAndUnreadAndReorder,
+		bool handleKeyboardSwitch) {
 
 	const auto wrap = Ui::CreateChild<Ui::SlideWrap<Ui::RpWidget>>(
 		parent,
@@ -523,6 +525,26 @@ not_null<Ui::RpWidget*> AddChatFiltersTabsStrip(
 		wrap->resize(w, h);
 	}, wrap->lifetime());
 
+	if (handleKeyboardSwitch) {
+		Shortcuts::ChatSwitchRequests(
+		) | rpl::filter([=](const Shortcuts::ChatSwitchRequest &request) {
+			return wrap->toggled()
+				&& ((request.action == Qt::Key_Tab)
+					|| (request.action == Qt::Key_Backtab));
+		}) | rpl::on_next([=](const Shortcuts::ChatSwitchRequest &request) {
+			const auto count = slider->sectionsCount();
+			const auto locked = slider->lockedFrom();
+			const auto limit = locked ? locked : count;
+			if (limit <= 1) {
+				return;
+			}
+			const auto back = (request.action == Qt::Key_Backtab);
+			const auto current = std::min(slider->activeSection(), limit - 1);
+			const auto next = (current + (back ? -1 : 1) + limit) % limit;
+			slider->setActiveSection(next);
+		}, wrap->lifetime());
+	}
+
 	return wrap;
 }
 

Telegram/SourceFiles/ui/widgets/chat_filters_tabs_strip.h

@@ -31,6 +31,7 @@ not_null<Ui::RpWidget*> AddChatFiltersTabsStrip(
 	Fn<void(FilterId)> choose,
 	ChatHelpers::PauseReason pauseLevel,
 	Window::SessionController *controller = nullptr,
-	bool trackActiveFilterAndUnreadAndReorder = false);
+	bool trackActiveFilterAndUnreadAndReorder = false,
+	bool handleKeyboardSwitch = false);
 
 } // namespace Ui