Single instance

daemon/uinput_keyboard.h

@@ -8,6 +8,15 @@
 
 namespace gkeymapper::daemon {
 
+// Key code for a single modifier bit (the "left" variants are enough), 0 when
+// the bit is not a modifier.
+unsigned short modifier_key_code(unsigned bit);
+
+// Expands one shortcut step into the key codes to press: the modifiers first,
+// then the key itself. Used by play() and by the KeyHold action, which has to
+// release exactly the codes it pressed.
+std::vector<unsigned short> step_key_codes(const gkeymapper::ShortcutStep& step);
+
 // A virtual keyboard created through /dev/uinput. It is only used to replay
 // shortcuts; the daemon never reads from it.
 class UinputKeyboard {
@@ -30,6 +39,12 @@ public:
     // passes them on unchanged instead of turning them into a mapping.
     void tap(unsigned short code);
 
+    // Presses, respectively releases, all codes in one EV_SYN block (release in
+    // reverse order). Splitting press and release is what "keyhold" needs: the
+    // caller keeps the list and releases it when the G key comes up.
+    void press(const std::vector<unsigned short>& codes);
+    void release(const std::vector<unsigned short>& codes);
+
 private:
     void emit(unsigned short type, unsigned short code, int value);
     void sync();