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Telegram/SourceFiles/core/shortcuts.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class QKeyEvent;
+class QShortcutEvent;
+
+namespace Shortcuts {
+
+enum class Command {
+	Close,
+	Lock,
+	Minimize,
+	Quit,
+
+	MediaPlay,
+	MediaPause,
+	MediaPlayPause,
+	MediaStop,
+	MediaPrevious,
+	MediaNext,
+
+	Search,
+
+	ChatPrevious,
+	ChatNext,
+	ChatFirst,
+	ChatLast,
+	ChatSelf,
+	ChatPinned1,
+	ChatPinned2,
+	ChatPinned3,
+	ChatPinned4,
+	ChatPinned5,
+	ChatPinned6,
+	ChatPinned7,
+	ChatPinned8,
+
+	ShowAccount1,
+	ShowAccount2,
+	ShowAccount3,
+	ShowAccount4,
+	ShowAccount5,
+	ShowAccount6,
+
+	ShowAllChats,
+	ShowFolder1,
+	ShowFolder2,
+	ShowFolder3,
+	ShowFolder4,
+	ShowFolder5,
+	ShowFolder6,
+	ShowFolderLast,
+
+	FolderNext,
+	FolderPrevious,
+
+	ShowScheduled,
+
+	ShowArchive,
+	ShowContacts,
+
+	JustSendMessage,
+	SendSilentMessage,
+	ScheduleMessage,
+
+	RecordVoice,
+	RecordRound,
+
+	ReadChat,
+	ArchiveChat,
+
+	MediaViewerFullscreen,
+
+	ShowChatMenu,
+	ShowChatPreview,
+
+	SupportReloadTemplates,
+	SupportToggleMuted,
+	SupportScrollToCurrent,
+	SupportHistoryBack,
+	SupportHistoryForward,
+};
+
+[[maybe_unused]] constexpr auto kShowFolder = {
+	Command::ShowAllChats,
+	Command::ShowFolder1,
+	Command::ShowFolder2,
+	Command::ShowFolder3,
+	Command::ShowFolder4,
+	Command::ShowFolder5,
+	Command::ShowFolder6,
+	Command::ShowFolderLast,
+};
+
+[[maybe_unused]] constexpr auto kShowAccount = {
+	Command::ShowAccount1,
+	Command::ShowAccount2,
+	Command::ShowAccount3,
+	Command::ShowAccount4,
+	Command::ShowAccount5,
+	Command::ShowAccount6,
+};
+
+[[nodiscard]] FnMut<bool()> RequestHandler(Command command);
+
+class Request {
+public:
+	bool check(Command command, int priority = 0);
+	bool handle(FnMut<bool()> handler);
+
+private:
+	explicit Request(std::vector<Command> commands);
+
+	std::vector<Command> _commands;
+	int _handlerPriority = -1;
+	FnMut<bool()> _handler;
+
+	friend FnMut<bool()> RequestHandler(std::vector<Command> commands);
+
+};
+
+[[nodiscard]] rpl::producer<not_null<Request*>> Requests();
+
+void Start();
+void Finish();
+
+void Listen(not_null<QWidget*> widget);
+
+bool Launch(Command command);
+bool HandleEvent(not_null<QObject*> object, not_null<QShortcutEvent*> event);
+
+bool HandlePossibleChatSwitch(not_null<QKeyEvent*> event);
+
+struct ChatSwitchRequest {
+	Qt::Key action = Qt::Key_Tab; // Key_Tab, Key_Backtab or Key_Escape.
+	bool started = false;
+};
+[[nodiscard]] rpl::producer<ChatSwitchRequest> ChatSwitchRequests();
+
+[[nodiscard]] const QStringList &Errors();
+
+// Media shortcuts are not enabled by default, because other
+// applications also use them. They are enabled only when
+// the in-app player is active and disabled back after.
+void ToggleMediaShortcuts(bool toggled);
+
+// Support shortcuts are not enabled by default, because they
+// have some conflicts with default input shortcuts, like Ctrl+Delete.
+void ToggleSupportShortcuts(bool toggled);
+
+void Pause();
+void Unpause();
+
+[[nodiscard]] auto KeysDefaults()
+-> base::flat_map<QKeySequence, base::flat_set<Command>>;
+[[nodiscard]] auto KeysCurrents()
+-> base::flat_map<QKeySequence, base::flat_set<Command>>;
+
+void Change(
+	QKeySequence was,
+	QKeySequence now,
+	Command command,
+	std::optional<Command> restore = {});
+void ResetToDefaults();
+
+[[nodiscard]] bool AllowWithoutModifiers(int key);
+
+} // namespace Shortcuts