Fix Bantam Apps menu entry, st XIM focus, and fcitx5-t9 InputContextDestroyed crash

src/fcitx5-t9/src/t9.cpp

@@ -267,11 +267,10 @@ T9Engine::T9Engine(fcitx::Instance* instance)
       fcitx::EventType::InputContextDestroyed,
       fcitx::EventWatcherPhase::PreInputMethod,
       [this](fcitx::Event& event) {
-        auto& icEvent = static_cast<fcitx::InputContextEvent&>(event);
-        if (auto* ic = icEvent.inputContext()) {
-          if (auto* state = ic->propertyFor(&factory)) {
-            state->onFocusChange();
-          }
+        FCITX_UNUSED(event);
+        if (sharedMode == T9Mode::Ctrl) {
+          sharedMode = T9Mode::Lower;
+          writeStatusIndicator("[abc]");
         }
       });
   writeStatusIndicator("[abc]");
@@ -938,9 +937,14 @@ void T9State::cancelCommit() {
 }
 
 void T9State::resetUI() {
+  if (!ic) {
+    return;
+  }
   ic->inputPanel().reset();
-  ic->updatePreedit();
-  ic->updateUserInterface(fcitx::UserInterfaceComponent::InputPanel);
+  if (ic->hasFocus()) {
+    ic->updatePreedit();
+    ic->updateUserInterface(fcitx::UserInterfaceComponent::InputPanel);
+  }
 }
 
 void T9State::showStatusBanner(const std::string& msg) {