[LyX/master] Make a signal connection to GuiInputMethod cascade from GuiWorkArea

[Koji Yokota]

commit 215fb518e96e09ad29009b069d215abfce82bae3
Author: Koji Yokota <yok...@lyx.org>
Date:   Tue Feb 10 15:55:38 2026 +0900

    Make a signal connection to GuiInputMethod cascade from GuiWorkArea
---
 src/frontends/qt/GuiApplication.cpp | 2 +-
 src/frontends/qt/GuiApplication.h   | 4 ++--
 src/frontends/qt/GuiInputMethod.cpp | 2 --
 src/frontends/qt/GuiWorkArea.cpp    | 4 ++++
 src/frontends/qt/GuiWorkArea.h      | 4 ++++
 5 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/frontends/qt/GuiApplication.cpp 
b/src/frontends/qt/GuiApplication.cpp
index 5dd468ef02..d658cec6cb 100644
--- a/src/frontends/qt/GuiApplication.cpp
+++ b/src/frontends/qt/GuiApplication.cpp
@@ -2470,7 +2470,7 @@ void GuiApplication::processKeySym(KeySymbol const & 
keysym, KeyModifier state)
        // The preedit mode should avoid intervening multi-stroke commands
        command_phase_ = func.action() == LFUN_COMMAND_PREFIX;
 
-       Q_EMIT acceptsInputMethod();
+       Q_EMIT keyCommandStateSet();
 
        // already here we know if it any point in going further
        // why not return already here if action == -1 and
diff --git a/src/frontends/qt/GuiApplication.h 
b/src/frontends/qt/GuiApplication.h
index 475d3e4e25..2b8040eff9 100644
--- a/src/frontends/qt/GuiApplication.h
+++ b/src/frontends/qt/GuiApplication.h
@@ -238,8 +238,8 @@ public:
        bool isInCommandMode() { return command_phase_; }
 
 Q_SIGNALS:
-       ///
-       void acceptsInputMethod();
+       /// signals the state of key command phase is set
+       void keyCommandStateSet();
 private Q_SLOTS:
        ///
        void execBatchCommands();
diff --git a/src/frontends/qt/GuiInputMethod.cpp 
b/src/frontends/qt/GuiInputMethod.cpp
index f8eef39f39..7850876c73 100644
--- a/src/frontends/qt/GuiInputMethod.cpp
+++ b/src/frontends/qt/GuiInputMethod.cpp
@@ -103,8 +103,6 @@ GuiInputMethod::GuiInputMethod(GuiWorkArea *parent)
        LYXERR(Debug::DEBUG, "GuiInputMethod: Address of buffer_view_: " <<
               &d->work_area_->bufferView());
 
-       connect(guiApp, &GuiApplication::acceptsInputMethod,
-               this, &GuiInputMethod::toggleInputMethodAcceptance);
        connect(this, &GuiInputMethod::inputMethodStateChanged,
                d->sys_im_, &QInputMethod::update);
        connect(d->sys_im_, &QInputMethod::localeChanged,
diff --git a/src/frontends/qt/GuiWorkArea.cpp b/src/frontends/qt/GuiWorkArea.cpp
index d033d0fe23..8f9c7afbd8 100644
--- a/src/frontends/qt/GuiWorkArea.cpp
+++ b/src/frontends/qt/GuiWorkArea.cpp
@@ -192,6 +192,10 @@ void GuiWorkArea::init()
                this, &GuiWorkArea::flagPreedit);
        connect(d->im_, &GuiInputMethod::queryProcessed,
                this, &GuiWorkArea::receiveIMQueryResponse);
+       connect(guiApp, &GuiApplication::keyCommandStateSet,
+                       this, &GuiWorkArea::onKeyCommandStateSet);
+       connect(this, &GuiWorkArea::keyCommandStateSet,
+                       d->im_, &GuiInputMethod::toggleInputMethodAcceptance);
 
        // This connection is closed at the same time as this is destroyed.
        d->synthetic_mouse_event_.timeout.timeout.connect([this](){
diff --git a/src/frontends/qt/GuiWorkArea.h b/src/frontends/qt/GuiWorkArea.h
index 9ef0c57bba..1ac5b07643 100644
--- a/src/frontends/qt/GuiWorkArea.h
+++ b/src/frontends/qt/GuiWorkArea.h
@@ -103,6 +103,8 @@ public Q_SLOTS:
        void stopBlinkingCaret();
        ///
        void startBlinkingCaret();
+       ///
+       void onKeyCommandStateSet() { Q_EMIT keyCommandStateSet(); }
 
 Q_SIGNALS:
        ///
@@ -115,6 +117,8 @@ Q_SIGNALS:
        void compressKeySym(KeySymbol const & sym, KeyModifier mod, bool 
isAutoRepeat);
        ///
        void preeditChanged(QInputMethodEvent * ev);
+       ///
+       void keyCommandStateSet();
 
 private Q_SLOTS:
        /// Scroll the BufferView.
-- 
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