Handle repeating keycodes

app/src/control_msg.c

@@ -43,7 +43,8 @@ control_msg_serialize(const struct control_msg *msg, unsigned char *buf) {
             buf[1] = msg->inject_keycode.action;
             buffer_write32be(&buf[2], msg->inject_keycode.keycode);
             buffer_write32be(&buf[6], msg->inject_keycode.metastate);
-            return 10;
+            buffer_write32be(&buf[10], msg->inject_keycode.repeat);
+            return 14;
         case CONTROL_MSG_TYPE_INJECT_TEXT: {
             size_t len =
                 write_string(msg->inject_text.text,

app/src/control_msg.h

@@ -45,6 +45,7 @@ struct control_msg {
             enum android_keyevent_action action;
             enum android_keycode keycode;
             enum android_metastate metastate;
+            int repeat;
         } inject_keycode;
         struct {
             char *text; // owned, to be freed by SDL_free()

app/src/input_manager.c

@@ -232,9 +232,11 @@ input_manager_process_text_input(struct input_manager *im,
     }
 }
 
+int repeatCounter[AKEYCODE_ALL_APPS];
+
 static bool
 convert_input_key(const SDL_KeyboardEvent *from, struct control_msg *to,
-                  bool prefer_text) {
+                  bool prefer_text, bool repeat) {
     to->type = CONTROL_MSG_TYPE_INJECT_KEYCODE;
 
     if (!convert_keycode_action(from->type, &to->inject_keycode.action)) {
@@ -247,6 +249,21 @@ convert_input_key(const SDL_KeyboardEvent *from, struct control_msg *to,
         return false;
     }
 
+    if (to->inject_keycode.action == AKEY_EVENT_ACTION_DOWN && repeat)
+    {
+        repeatCounter[to->inject_keycode.keycode] = repeatCounter[to->inject_keycode.keycode] + 1;
+        //LOGW("Setting repeat mode to %d %d",to->inject_keycode.keycode,to->inject_keycode.repeat );
+    }
+    else
+    {
+        //LOGW("Clearing repeate for %d",to->inject_keycode.keycode );
+        repeatCounter[to->inject_keycode.keycode] = 0;
+    }
+
+
+    to->inject_keycode.repeat = repeatCounter[to->inject_keycode.keycode];
+    //LOGW("Current code for %d ======== %d",to->inject_keycode.keycode,to->inject_keycode.repeat );
+
     to->inject_keycode.metastate = convert_meta_state(mod);
 
     return true;
@@ -412,7 +429,7 @@ input_manager_process_key(struct input_manager *im,
     }
 
     struct control_msg msg;
-    if (convert_input_key(event, &msg, im->prefer_text)) {
+    if (convert_input_key(event, &msg, im->prefer_text,event->repeat)) {
         if (!controller_push_msg(controller, &msg)) {
             LOGW("Could not request 'inject keycode'");
         }

server/src/main/java/com/genymobile/scrcpy/ControlMessage.java

@@ -31,16 +31,18 @@ public final class ControlMessage {
     private int hScroll;
     private int vScroll;
     private int flags;
+    private int repeat;
 
     private ControlMessage() {
     }
 
-    public static ControlMessage createInjectKeycode(int action, int keycode, int metaState) {
+    public static ControlMessage createInjectKeycode(int action, int keycode, int metaState,int repeat) {
         ControlMessage msg = new ControlMessage();
         msg.type = TYPE_INJECT_KEYCODE;
         msg.action = action;
         msg.keycode = keycode;
         msg.metaState = metaState;
+        msg.repeat = repeat;
         return msg;
     }
 
@@ -108,6 +110,10 @@ public final class ControlMessage {
     public int getMetaState() {
         return metaState;
     }
+        
+    public int getRepeat() {
+        return repeat;
+    }
 
     public int getAction() {
         return action;

server/src/main/java/com/genymobile/scrcpy/ControlMessageReader.java

@@ -99,7 +99,8 @@ public class ControlMessageReader {
         int action = toUnsigned(buffer.get());
         int keycode = buffer.getInt();
         int metaState = buffer.getInt();
-        return ControlMessage.createInjectKeycode(action, keycode, metaState);
+        int repeat = buffer.getInt();
+        return ControlMessage.createInjectKeycode(action, keycode, metaState,repeat);
     }
 
     private String parseString() {

server/src/main/java/com/genymobile/scrcpy/Controller.java

@@ -74,7 +74,8 @@ public class Controller {
         switch (msg.getType()) {
             case ControlMessage.TYPE_INJECT_KEYCODE:
                 if (device.supportsInputEvents()) {
-                    injectKeycode(msg.getAction(), msg.getKeycode(), msg.getMetaState());
+                    //Ln.w("Unknown event type: " + msg.getRepeat());
+                    injectKeycode(msg.getAction(), msg.getKeycode(), msg.getMetaState(),msg.getRepeat());
                 }
                 break;
             case ControlMessage.TYPE_INJECT_TEXT:
@@ -130,8 +131,8 @@ public class Controller {
         }
     }
 
-    private boolean injectKeycode(int action, int keycode, int metaState) {
+    private boolean injectKeycode(int action, int keycode, int metaState,int repeat) {
-        return device.injectKeyEvent(action, keycode, 0, metaState);
+        return device.injectKeyEvent(action, keycode, repeat, metaState);
     }
 
     private boolean injectChar(char c) {