Enable QStyleHints::useHoverEffects for KDE and other unix systems

By default, it enabled only for Gnome

Task-number: QTBUG-59298
Change-Id: Ib44f52b3175ed1904f24ec9e21f00ea3f3334287
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
index 1e1b1af4b5..4eefcace0f 100644
--- a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
+++ b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
@@ -225,6 +225,8 @@ QVariant QGenericUnixTheme::themeHint(ThemeHint hint) const
     }
     case QPlatformTheme::KeyboardScheme:
         return QVariant(int(X11KeyboardScheme));
+    case QPlatformTheme::UiEffects:
+        return QVariant(int(HoverEffect));
     default:
         break;
     }
@@ -540,6 +542,8 @@ QVariant QKdeTheme::themeHint(QPlatformTheme::ThemeHint hint) const
         return QVariant(d->singleClick);
     case QPlatformTheme::WheelScrollLines:
         return QVariant(d->wheelScrollLines);
+    case QPlatformTheme::UiEffects:
+        return QVariant(int(HoverEffect));
     default:
         break;
     }