Deamon management

daemon/uinput_keyboard.h

@@ -0,0 +1,38 @@
+// gKeyMapper daemon - virtual keyboard for replaying "key" mappings.
+#ifndef GKEYMAPPER_DAEMON_UINPUT_KEYBOARD_H
+#define GKEYMAPPER_DAEMON_UINPUT_KEYBOARD_H
+
+#include <vector>
+
+#include "mapping.h"
+
+namespace gkeymapper::daemon {
+
+// A virtual keyboard created through /dev/uinput. It is only used to replay
+// shortcuts; the daemon never reads from it.
+class UinputKeyboard {
+public:
+    UinputKeyboard() = default;
+    ~UinputKeyboard();
+
+    UinputKeyboard(const UinputKeyboard&) = delete;
+    UinputKeyboard& operator=(const UinputKeyboard&) = delete;
+
+    bool open();
+    void close();
+    bool is_open() const { return fd_ >= 0; }
+
+    // Presses and releases every step of the shortcut in order.
+    void play(const std::vector<gkeymapper::ShortcutStep>& steps);
+
+private:
+    void emit(unsigned short type, unsigned short code, int value);
+    void sync();
+    void key_event(unsigned short code, bool down);
+
+    int fd_ = -1;
+};
+
+} // namespace gkeymapper::daemon
+
+#endif // GKEYMAPPER_DAEMON_UINPUT_KEYBOARD_H