only need retry for chromium,electron ack

Author: Zebra2711

src/lotus-engine.cpp

@@ -617,10 +617,10 @@ namespace fcitx {
     }
 
     void LotusEngine::deactivate(const InputMethodEntry& /*entry*/, InputContextEvent& event) {
-        auto*      ic              = event.inputContext();
-        auto*      state           = ic->propertyFor(&factory_);
-        const bool surrvalid       = ic->surroundingText().isValid();
-        const bool is_dbus         = getFrontendName(ic) == "dbus";
+        auto*      ic        = event.inputContext();
+        auto*      state     = ic->propertyFor(&factory_);
+        const bool surrvalid = ic->surroundingText().isValid();
+        const bool is_dbus   = getFrontendName(ic) == "dbus";
         if (realMode == LotusMode::Preedit && event.type() != EventType::InputContextFocusOut) {
             state->commitBuffer();
         } else {

src/lotus-state.cpp

@@ -137,6 +137,16 @@ namespace fcitx {
         }
     }
 
+    void LotusState::send_backspace_forward(int count) const {
+        if (count <= 0)
+            return;
+        for (int i = 0; i < count - 1; ++i) {
+            ic_->forwardKey(Key(FcitxKey_BackSpace, KeyState::NoState), false);
+            ic_->forwardKey(Key(FcitxKey_BackSpace, KeyState::NoState), true);
+        }
+        send_backspace_uinput(0); // trigger 1bs to make all bs prev release
+    }
+
     void LotusState::replayBufferToEngine(const std::string& buffer) {
         if (lotusEngine_.handle() == 0U)
             return;
@@ -469,13 +479,14 @@ namespace fcitx {
                 LOTUS_INFO("Skip retry");
             } else {
                 // Retry x5 (1 ms each), khi can (chromium,electron,...)
-                for (int retry = 0; retry < 5; ++retry) {
-                    std::this_thread::sleep_for(std::chrono::milliseconds(1));
-                    const auto& surr2 = ic_->surroundingText();
-                    if (surr2.isValid() && surr2.cursor() == realtextLen.load(std::memory_order_acquire)) {
-                        break;
+                if (waitAck_)
+                    for (int retry = 0; retry < 5; ++retry) {
+                        std::this_thread::sleep_for(std::chrono::milliseconds(1));
+                        const auto& surr2 = ic_->surroundingText();
+                        if (surr2.isValid() && surr2.cursor() == realtextLen.load(std::memory_order_acquire)) {
+                            break;
+                        }
                     }
-                }
             }
             ic_->commitString(pending_commit_string_);
             LOTUS_INFO("Commit: " + pending_commit_string_);
@@ -530,6 +541,7 @@ namespace fcitx {
             replacement_start_ms_.store(now_ms(), std::memory_order_release);
             is_deleting_.store(true, std::memory_order_release);
             monitor_cv.notify_one();
+            //send_backspace_forward(expected_backspaces_ - 1);
             send_backspace_uinput(expected_backspaces_);
             LOTUS_INFO("Send " + std::to_string(expected_backspaces_) + " backspaces");
         }

src/lotus-state.h

@@ -126,7 +126,7 @@ namespace fcitx {
          * @param count Number of backspaces to send.
          */
         void send_backspace_uinput(int count) const;
-
+        void send_backspace_forward(int count) const;
         /**
          * @brief Replays buffer content to the engine.
          * @param buffer The string buffer to replay.