Make sure to update link color when theme changed

src/composer-ng/richtextcomposercontroler.cpp

@@ -48,12 +48,18 @@ public:
         delete nestedListHelper;
     }
 
+    void regenerateColorScheme()
+    {
+        mLinkColor = KColorScheme(QPalette::Active, KColorScheme::View).foreground(KColorScheme::LinkText).color();
+        // TODO update existing link
+    }
+
     QColor linkColor()
     {
         if (mLinkColor.isValid()) {
             return mLinkColor;
         }
-        mLinkColor = KColorScheme(QPalette::Active, KColorScheme::View).foreground(KColorScheme::LinkText).color();
+        regenerateColorScheme();
         return mLinkColor;
     }
 
@@ -136,10 +142,18 @@ RichTextComposerControler::RichTextComposerControler(RichTextComposer *richtextC
     : QObject(parent)
     , d(new RichTextComposerControlerPrivate(richtextComposer, this))
 {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    connect(qApp, &QApplication::paletteChanged, this, &RichTextComposerControler::regenerateColorScheme);
+#endif
 }
 
 RichTextComposerControler::~RichTextComposerControler() = default;
 
+void RichTextComposerControler::regenerateColorScheme()
+{
+    d->regenerateColorScheme();
+}
+
 bool RichTextComposerControler::painterActive() const
 {
     return d->painterActive;
@@ -937,3 +951,14 @@ QString RichTextComposerControler::toWrappedPlainText(QTextDocument *doc) const
     d->fixupTextEditString(temp);
     return temp;
 }
+
+bool RichTextComposerControler::event(QEvent *ev)
+{
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    if (ev->type() == QEvent::ApplicationPaletteChange) {
+        regenerateColorScheme();
+    }
+#endif
+
+    return QObject::event(ev);
+}

src/composer-ng/richtextcomposercontroler.h

@@ -93,7 +93,11 @@ public Q_SLOTS:
     void slotFormatPainter(bool active);
     void ensureCursorVisibleDelayed();
 
+protected:
+    bool event(QEvent *ev) override;
+
 private:
+    void regenerateColorScheme();
     class RichTextComposerControlerPrivate;
     std::unique_ptr<RichTextComposerControlerPrivate> const d;
 };

src/texteditor/richtexteditor/richtexteditor.cpp

@@ -738,6 +738,11 @@ bool RichTextEditor::event(QEvent *ev)
             return true;
         }
     }
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    else if (ev->type() == QEvent::ApplicationPaletteChange) {
+        regenerateColorScheme();
+    }
+#endif
     return QTextEdit::event(ev);
 }
 
@@ -753,11 +758,6 @@ void RichTextEditor::wheelEvent(QWheelEvent *event)
         event->accept();
         return;
     }
-#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
-    else if (event->type() == QEvent::ApplicationPaletteChange) {
-        regenerateColorScheme();
-    }
-#endif
     QTextEdit::wheelEvent(event);
 }