Add isInputMethod in EffectWindow and do not dim input method window

src/libkwineffects/kwineffects.cpp

@@ -955,6 +955,7 @@ WINDOW_HELPER(bool, isSkipSwitcher, skipSwitcher)
 WINDOW_HELPER(bool, decorationHasAlpha, decorationHasAlpha)
 WINDOW_HELPER(bool, isUnresponsive, unresponsive)
 WINDOW_HELPER(QList<VirtualDesktop *>, desktops, desktops)
+WINDOW_HELPER(bool, isInputMethod, isInputMethod)
 
 #undef WINDOW_HELPER
 

src/libkwineffects/kwineffects.h

@@ -2302,6 +2302,11 @@ public:
      */
     QUuid internalId() const;
 
+    /**
+     * @since 6.0
+     */
+    bool isInputMethod() const;
+
     /**
      * Can be used to by effects to store arbitrary data in the EffectWindow.
      *

src/plugins/diminactive/diminactive.cpp

@@ -187,7 +187,7 @@ bool DimInactiveEffect::canDimWindow(const EffectWindow *w) const
         return false;
     }
 
-    if (w->isPopupWindow()) {
+    if (w->isPopupWindow() || w->isInputMethod()) {
         return false;
     }
 

src/window.h

@@ -533,6 +533,12 @@ class KWIN_EXPORT Window : public QObject
      */
     Q_PROPERTY(KWin::Tile *tile READ tile WRITE setTile NOTIFY tileChanged)
 
+    /**
+     * Returns whether this window is a input method window.
+     * This is only used for Wayland.
+     */
+    Q_PROPERTY(bool inputMethod READ isInputMethod)
+
 public:
     ~Window() override;