Release v0.2.1: support remote input, safe updates and high-DPI windows

src/app.h

@@ -1,6 +1,7 @@
 #pragma once
 #include "autocorrect.h"
 #include "storage.h"
+#include "update.h"
 #include <atomic>
 #include <condition_variable>
 #include <deque>
@@ -49,6 +50,7 @@ class App
     std::wstring registrationWarning;
     bool smoke{};
     int startCommand{};
+    std::wstring updateStartupEvent;
     App(HINSTANCE, bool = false, const std::filesystem::path &dataRoot = {});
     ~App();
     int execute();
@@ -65,16 +67,22 @@ class App
     void applySettings(const Settings &);
     void reloadLayouts();
     bool isHotkey(DWORD, UINT);
-    void keyboard(const KBDLLHOOKSTRUCT &);
+    void keyboard(const KBDLLHOOKSTRUCT &, UINT modifiers);
+    bool handleKeyboard(const KBDLLHOOKSTRUCT &, bool down, UINT modifiers);
     void resetInput();
+    void checkUpdate(bool interactive, bool install = false, const std::wstring &version = {});
     static App *current;
 
   private:
+    friend struct InputRegressionAccess;
     HHOOK keyboardHook{}, mouseHook{};
     std::mutex jobsMutex;
     std::condition_variable jobsReady;
     std::deque<std::function<void()>> jobs;
     std::thread worker;
+    std::thread updateWorker;
+    bool updateRunning{}, installingUpdate{};
+    std::wstring availableUpdate;
     bool stop{};
     UINT taskbarCreated{};
     uint64_t pendingAutoVersion{};
@@ -90,7 +98,7 @@ class App
 };
 void showHistory(App &);
 void refreshHistory(App &);
-void showSettings(App &);
+void showSettings(App &, bool visible = true);
 void showLogs(App &);
 void showSnippets(App &);
 void showShortcuts(App &);