loplugin:ostr in slideshow

Change-Id: I87b391b95a75a1ddc4e26dcd0bbd557f8bd3b17b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167578
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins

33 files changed, 150 insertions, 150 deletions

diff --git a/slideshow/qa/engine/engine.cxx b/slideshow/qa/engine/engine.cxx
index ee7f705713b5..6644ddae0d4c 100644
--- a/slideshow/qa/engine/engine.cxx
+++ b/slideshow/qa/engine/engine.cxx
@@ -24,7 +24,7 @@ class Test : public UnoApiTest
 {
 public:
     Test()
-        : UnoApiTest("slideshow/qa/engine/data/")
+        : UnoApiTest(u"slideshow/qa/engine/data/"_ustr)
     {
     }
 };
diff --git a/slideshow/source/engine/animationnodes/animationaudionode.cxx b/slideshow/source/engine/animationnodes/animationaudionode.cxx
index a548fd20f97e..6c50d3d03d3c 100644
--- a/slideshow/source/engine/animationnodes/animationaudionode.cxx
+++ b/slideshow/source/engine/animationnodes/animationaudionode.cxx
@@ -81,7 +81,7 @@ void AnimationAudioNode::activate_st()
             scheduleDeactivationEvent(
                 makeDelay( [this] () { this->checkPlayingStatus(); },
                            mpPlayer->getDuration(),
-                           "AnimationAudioNode::check if still playing with delay") );
+                           u"AnimationAudioNode::check if still playing with delay"_ustr) );
         }
     }
     else
@@ -90,7 +90,7 @@ void AnimationAudioNode::activate_st()
         auto self(getSelf());
         scheduleDeactivationEvent(
             makeEvent( [self=std::move(self)] () { self->deactivate(); },
-                                    "AnimationAudioNode::deactivate without delay") );
+                                    u"AnimationAudioNode::deactivate without delay"_ustr) );
     }
 }
 
@@ -136,7 +136,7 @@ void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ )
     // notify _after_ state change:
     getContext().mrEventQueue.addEvent(
         makeEvent( NotifyAudioStopped(getContext().mrEventMultiplexer, getSelf()),
-                   "AnimationAudioNode::notifyAudioStopped") );
+                   u"AnimationAudioNode::notifyAudioStopped"_ustr) );
 }
 
 bool AnimationAudioNode::hasPendingAnimation() const
@@ -196,7 +196,7 @@ void AnimationAudioNode::checkPlayingStatus()
     scheduleDeactivationEvent(
         makeDelay( [xSelf=std::move(xSelf)] () { xSelf->deactivate(); },
             nDuration,
-            "AnimationAudioNode::deactivate with delay") );
+            u"AnimationAudioNode::deactivate with delay"_ustr) );
 }
 
 } // namespace slideshow::internal
diff --git a/slideshow/source/engine/animationnodes/animationbasenode.cxx b/slideshow/source/engine/animationnodes/animationbasenode.cxx
index 1a15bf2de843..cc0a9ac9fac0 100644
--- a/slideshow/source/engine/animationnodes/animationbasenode.cxx
+++ b/slideshow/source/engine/animationnodes/animationbasenode.cxx
@@ -458,7 +458,7 @@ AnimationBaseNode::fillCommonParameters() const
     EventSharedPtr pEndEvent;
     if (pSelf) {
         pEndEvent = makeEvent( [pSelf] () {pSelf->deactivate(); },
-            "AnimationBaseNode::deactivate");
+            u"AnimationBaseNode::deactivate"_ustr);
     }
 
     // Calculate the minimum frame count that depends on the duration and
diff --git a/slideshow/source/engine/animationnodes/animationcommandnode.cxx b/slideshow/source/engine/animationnodes/animationcommandnode.cxx
index 3c3a61450ba9..121989fa246e 100644
--- a/slideshow/source/engine/animationnodes/animationcommandnode.cxx
+++ b/slideshow/source/engine/animationnodes/animationcommandnode.cxx
@@ -41,7 +41,7 @@ bool IsTimingRootNode(const uno::Reference<animations::XAnimationNode>& xNode)
 {
     uno::Sequence<beans::NamedValue> aUserData = xNode->getUserData();
     comphelper::SequenceAsHashMap aMap(aUserData);
-    auto it = aMap.find("node-type");
+    auto it = aMap.find(u"node-type"_ustr);
     if (it == aMap.end())
     {
         return false;
@@ -201,7 +201,7 @@ void AnimationCommandNode::activate_st()
     std::shared_ptr<BaseNode> self(getSelf());
     scheduleDeactivationEvent(
         makeEvent( [self=std::move(self)] () { self->deactivate(); },
-                   "AnimationCommandNode::deactivate" ) );
+                   u"AnimationCommandNode::deactivate"_ustr ) );
 }
 
 bool AnimationCommandNode::hasPendingAnimation() const
diff --git a/slideshow/source/engine/animationnodes/animationsetnode.cxx b/slideshow/source/engine/animationnodes/animationsetnode.cxx
index 89747901e73c..45a6005c6f48 100644
--- a/slideshow/source/engine/animationnodes/animationsetnode.cxx
+++ b/slideshow/source/engine/animationnodes/animationsetnode.cxx
@@ -56,7 +56,7 @@ AnimationActivitySharedPtr AnimationSetNode::createActivity() const
             pSelf, "cannot cast getSelf() to my type!" );
         aParms.mpEndEvent = makeEvent(
             [pSelf] () { pSelf->scheduleDeactivationEvent(); },
-            "AnimationSetNode::scheduleDeactivationEvent");
+            u"AnimationSetNode::scheduleDeactivationEvent"_ustr);
     }
 
     switch (AnimationFactory::classifyAttributeName( attrName )) {
diff --git a/slideshow/source/engine/animationnodes/animationtransformnode.cxx b/slideshow/source/engine/animationnodes/animationtransformnode.cxx
index cbb68b024316..f246d9da90d8 100644
--- a/slideshow/source/engine/animationnodes/animationtransformnode.cxx
+++ b/slideshow/source/engine/animationnodes/animationtransformnode.cxx
@@ -46,8 +46,8 @@ AnimationActivitySharedPtr AnimationTransformNode::createActivity() const
     {
     default:
         throw css::uno::RuntimeException(
-            "AnimationTransformNode::createTransformActivity(): "
-            "Unknown transform type" );
+            u"AnimationTransformNode::createTransformActivity(): "
+            "Unknown transform type"_ustr );
 
     case animations::AnimationTransformType::TRANSLATE:
     case animations::AnimationTransformType::SCALE:
@@ -64,7 +64,7 @@ AnimationActivitySharedPtr AnimationTransformNode::createActivity() const
         return ActivitiesFactory::createAnimateActivity(
             aParms,
             AnimationFactory::createNumberPropertyAnimation(
-                "Rotate",
+                u"Rotate"_ustr,
                 rShape,
                 getContext().mpSubsettableShapeManager,
                 getSlideSize(),
@@ -75,7 +75,7 @@ AnimationActivitySharedPtr AnimationTransformNode::createActivity() const
         return ActivitiesFactory::createAnimateActivity(
             aParms,
             AnimationFactory::createNumberPropertyAnimation(
-                "SkewX",
+                u"SkewX"_ustr,
                 rShape,
                 getContext().mpSubsettableShapeManager,
                 getSlideSize(),
@@ -86,7 +86,7 @@ AnimationActivitySharedPtr AnimationTransformNode::createActivity() const
         return ActivitiesFactory::createAnimateActivity(
             aParms,
             AnimationFactory::createNumberPropertyAnimation(
-                "SkewY",
+                u"SkewY"_ustr,
                 rShape,
                 getContext().mpSubsettableShapeManager,
                 getSlideSize(),
diff --git a/slideshow/source/engine/animationnodes/basecontainernode.cxx b/slideshow/source/engine/animationnodes/basecontainernode.cxx
index 709f5392ac8a..02e97261bbc7 100644
--- a/slideshow/source/engine/animationnodes/basecontainernode.cxx
+++ b/slideshow/source/engine/animationnodes/basecontainernode.cxx
@@ -172,7 +172,7 @@ bool BaseContainerNode::notifyDeactivatedChild(
             EventSharedPtr aRepetitionEvent =
                     makeDelay( [this] () { this->repeat(); },
                                0.0,
-                               "BaseContainerNode::repeat");
+                               u"BaseContainerNode::repeat"_ustr);
             getContext().mrEventQueue.addEvent( aRepetitionEvent );
         }
         else if (isDurationIndefinite())
diff --git a/slideshow/source/engine/animationnodes/basenode.cxx b/slideshow/source/engine/animationnodes/basenode.cxx
index 1da302008138..377520369997 100644
--- a/slideshow/source/engine/animationnodes/basenode.cxx
+++ b/slideshow/source/engine/animationnodes/basenode.cxx
@@ -245,7 +245,7 @@ bool isMainSequenceRootNode_(
     // detect main sequence root node (need that for
     // end-of-mainsequence signalling below)
     beans::NamedValue const aSearchKey(
-        "node-type",
+        u"node-type"_ustr,
         uno::Any( presentation::EffectNodeType::MAIN_SEQUENCE ) );
 
     uno::Sequence<beans::NamedValue> const userData(xNode->getUserData());
@@ -476,7 +476,7 @@ bool BaseNode::resolve()
             mpCurrentEvent = makeDelay(
                 [self=std::move(self)] () { self->activate(); },
                 mnStartDelay,
-                "AnimationNode::activate with delay");
+                u"AnimationNode::activate with delay"_ustr);
             maContext.mrEventQueue.addEvent( mpCurrentEvent );
         }
 
@@ -730,7 +730,7 @@ void BaseNode::showState() const
 
     // read shape name
     OUString aName;
-    if( xPropSet->getPropertyValue("Name") >>= aName )
+    if( xPropSet->getPropertyValue(u"Name"_ustr) >>= aName )
     {
         SAL_INFO("slideshow.verbose", "Node info: n" <<
                  debugGetNodeName(this) <<
diff --git a/slideshow/source/engine/animationnodes/generateevent.cxx b/slideshow/source/engine/animationnodes/generateevent.cxx
index 3622c5c70e53..8d6b1519ad30 100644
--- a/slideshow/source/engine/animationnodes/generateevent.cxx
+++ b/slideshow/source/engine/animationnodes/generateevent.cxx
@@ -101,7 +101,7 @@ EventSharedPtr generateEvent(
             if (aEvent.Source >>= xNode) {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, BEGIN_EVENT");
+                                    u"generateEvent, BEGIN_EVENT"_ustr);
                 rContext.mrUserEventQueue.registerAnimationStartEvent(
                     pEvent, xNode );
             }
@@ -115,7 +115,7 @@ EventSharedPtr generateEvent(
             if (aEvent.Source >>= xNode) {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, END_EVENT");
+                                    u"generateEvent, END_EVENT"_ustr);
                 rContext.mrUserEventQueue.registerAnimationEndEvent(
                     pEvent, xNode );
             }
@@ -131,7 +131,7 @@ EventSharedPtr generateEvent(
             {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, ON_CLICK");
+                                    u"generateEvent, ON_CLICK"_ustr);
                 rContext.mrUserEventQueue.registerShapeClickEvent(
                     pEvent, pShape );
             }
@@ -147,7 +147,7 @@ EventSharedPtr generateEvent(
             {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, ON_DBL_CLICK");
+                                    u"generateEvent, ON_DBL_CLICK"_ustr);
                 rContext.mrUserEventQueue.registerShapeDoubleClickEvent(
                     pEvent, pShape );
             }
@@ -163,7 +163,7 @@ EventSharedPtr generateEvent(
             {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, ON_MOUSE_ENTER");
+                                    u"generateEvent, ON_MOUSE_ENTER"_ustr);
                 rContext.mrUserEventQueue.registerMouseEnterEvent(
                     pEvent, pShape );
             }
@@ -179,7 +179,7 @@ EventSharedPtr generateEvent(
             {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, ON_MOUSE_LEAVE");
+                                    u"generateEvent, ON_MOUSE_LEAVE"_ustr);
                 rContext.mrUserEventQueue.registerMouseLeaveEvent(
                     pEvent, pShape );
             }
@@ -195,7 +195,7 @@ EventSharedPtr generateEvent(
         case animations::EventTrigger::ON_NEXT:
             pEvent = makeDelay( rFunctor,
                                 nDelay2 + nAdditionalDelay,
-                                "generateEvent, ON_NEXT");
+                                u"generateEvent, ON_NEXT"_ustr);
             rContext.mrUserEventQueue.registerNextEffectEvent( pEvent );
             break;
         case animations::EventTrigger::ON_STOP_AUDIO:
@@ -203,7 +203,7 @@ EventSharedPtr generateEvent(
             if (aEvent.Source >>= xNode) {
                 pEvent = makeDelay( rFunctor,
                                     nDelay2 + nAdditionalDelay,
-                                    "generateEvent, ON_STOP_AUDIO");
+                                    u"generateEvent, ON_STOP_AUDIO"_ustr);
                 rContext.mrUserEventQueue.registerAudioStoppedEvent(
                     pEvent, xNode );
             }
@@ -224,7 +224,7 @@ EventSharedPtr generateEvent(
     else if (rEventDescription >>= nDelay1) {
         pEvent = makeDelay( rFunctor,
                             nDelay1 + nAdditionalDelay,
-                            "generateEvent with delay");
+                            u"generateEvent with delay"_ustr);
         // schedule delay event
         rContext.mrEventQueue.addEvent( pEvent );
     }
diff --git a/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx b/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx
index 43d3f16d1fb3..77c5a19af551 100644
--- a/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx
+++ b/slideshow/source/engine/animationnodes/paralleltimecontainer.cxx
@@ -40,7 +40,7 @@ void ParallelTimeContainer::activate_st()
         auto self(getSelf());
         scheduleDeactivationEvent(
             makeEvent( [self=std::move(self)] () { self->deactivate(); },
-                       "ParallelTimeContainer::deactivate") );
+                       u"ParallelTimeContainer::deactivate"_ustr) );
     }
     else { // use default
         scheduleDeactivationEvent();
diff --git a/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx b/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx
index 5b1eecf79d31..eee8eaf3ed21 100644
--- a/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx
+++ b/slideshow/source/engine/animationnodes/sequentialtimecontainer.cxx
@@ -44,7 +44,7 @@ void SequentialTimeContainer::activate_st()
         auto self(getSelf());
         scheduleDeactivationEvent(
             makeEvent( [self=std::move(self)] () { self->deactivate(); },
-                 "SequentialTimeContainer::deactivate") );
+                 u"SequentialTimeContainer::deactivate"_ustr) );
     }
     else // use default
         scheduleDeactivationEvent();
@@ -67,7 +67,7 @@ void SequentialTimeContainer::skipEffect(
         getContext().mrEventQueue.forceEmpty();
         getContext().mrEventQueue.addEvent(
             makeEvent( [pChildNode] () { pChildNode->deactivate(); },
-                "SequentialTimeContainer::deactivate, skipEffect with delay") );
+                u"SequentialTimeContainer::deactivate, skipEffect with delay"_ustr) );
     }
     else
         OSL_FAIL( "unknown notifier!" );
@@ -87,7 +87,7 @@ bool SequentialTimeContainer::resolveChild(
             std::bind( &SequentialTimeContainer::skipEffect,
                          std::dynamic_pointer_cast<SequentialTimeContainer>( getSelf() ),
                          pChildNode ),
-            "SequentialTimeContainer::skipEffect, resolveChild");
+            u"SequentialTimeContainer::skipEffect, resolveChild"_ustr);
 
         // deactivate child node when skip event occurs:
         getContext().mrUserEventQueue.registerSkipEffectEvent(
diff --git a/slideshow/source/engine/effectrewinder.cxx b/slideshow/source/engine/effectrewinder.cxx
index ceeae5bb25f4..4bfc8990673b 100644
--- a/slideshow/source/engine/effectrewinder.cxx
+++ b/slideshow/source/engine/effectrewinder.cxx
@@ -165,7 +165,7 @@ void EffectRewinder::setCurrentSlide (
     sal_Int32 nChange(0);
 
     if( xPropSet.is())
-        getPropertyValue( nChange, xPropSet, "Change");
+        getPropertyValue( nChange, xPropSet, u"Change"_ustr);
 
     mbHasAdvancedTimeSetting = nChange;
 }
@@ -206,7 +206,7 @@ bool EffectRewinder::rewind (
                 &EffectRewinder::asynchronousRewindToPreviousSlide,
                 this,
                 rPreviousSlideFunctor),
-            "EffectRewinder::asynchronousRewindToPreviousSlide");
+            u"EffectRewinder::asynchronousRewindToPreviousSlide"_ustr);
     }
     else
     {
@@ -219,7 +219,7 @@ bool EffectRewinder::rewind (
                 nSkipCount,
                 true,
                 rSlideRewindFunctor),
-            "EffectRewinder::asynchronousRewind");
+            u"EffectRewinder::asynchronousRewind"_ustr);
     }
 
     if (mpAsynchronousRewindEvent)
@@ -246,7 +246,7 @@ void EffectRewinder::skipAllMainSequenceEffects()
             nTotalMainSequenceEffectCount,
             false,
             ::std::function<void ()>()),
-        "EffectRewinder::asynchronousRewind");
+        u"EffectRewinder::asynchronousRewind"_ustr);
     mrEventQueue.addEvent(mpAsynchronousRewindEvent);
 }
 
@@ -363,7 +363,7 @@ void EffectRewinder::asynchronousRewind (
                 nEffectCount,
                 false,
                 rSlideRewindFunctor),
-            "EffectRewinder::asynchronousRewind");
+            u"EffectRewinder::asynchronousRewind"_ustr);
         mrEventQueue.addEvent(mpAsynchronousRewindEvent);
     }
     else
diff --git a/slideshow/source/engine/eventmultiplexer.cxx b/slideshow/source/engine/eventmultiplexer.cxx
index 441fb71ed184..89faf56853ee 100644
--- a/slideshow/source/engine/eventmultiplexer.cxx
+++ b/slideshow/source/engine/eventmultiplexer.cxx
@@ -393,7 +393,7 @@ void SAL_CALL EventMultiplexerListener::mousePressed(
             makeEvent( std::bind( &EventMultiplexerImpl::mousePressed,
                                     mpEventMultiplexer,
                                     e ),
-                       "EventMultiplexerImpl::mousePressed") );
+                       u"EventMultiplexerImpl::mousePressed"_ustr) );
 }
 
 void SAL_CALL EventMultiplexerListener::mouseReleased(
@@ -408,7 +408,7 @@ void SAL_CALL EventMultiplexerListener::mouseReleased(
             makeEvent( std::bind( &EventMultiplexerImpl::mouseReleased,
                                     mpEventMultiplexer,
                                     e ),
-                       "EventMultiplexerImpl::mouseReleased") );
+                       u"EventMultiplexerImpl::mouseReleased"_ustr) );
 }
 
 void SAL_CALL EventMultiplexerListener::mouseEntered(
@@ -436,7 +436,7 @@ void SAL_CALL EventMultiplexerListener::mouseDragged(
             makeEvent( std::bind( &EventMultiplexerImpl::mouseDragged,
                                     mpEventMultiplexer,
                                     e ),
-                       "EventMultiplexerImpl::mouseDragged") );
+                       u"EventMultiplexerImpl::mouseDragged"_ustr) );
 }
 
 void SAL_CALL EventMultiplexerListener::mouseMoved(
@@ -451,7 +451,7 @@ void SAL_CALL EventMultiplexerListener::mouseMoved(
             makeEvent( std::bind( &EventMultiplexerImpl::mouseMoved,
                                     mpEventMultiplexer,
                                     e ),
-                       "EventMultiplexerImpl::mouseMoved") );
+                       u"EventMultiplexerImpl::mouseMoved"_ustr) );
 }
 
 
@@ -550,7 +550,7 @@ void EventMultiplexerImpl::scheduleTick()
     EventSharedPtr pEvent(
         makeDelay( [this] () { this->tick(); },
                    mnTimeout,
-                   "EventMultiplexerImpl::tick with delay"));
+                   u"EventMultiplexerImpl::tick with delay"_ustr));
 
     // store weak reference to generated event, to notice when
     // the event queue gets cleansed (we then have to
diff --git a/slideshow/source/engine/opengl/TransitionImpl.cxx b/slideshow/source/engine/opengl/TransitionImpl.cxx
index 99adca7f7bea..758b4a7d4d73 100644
--- a/slideshow/source/engine/opengl/TransitionImpl.cxx
+++ b/slideshow/source/engine/opengl/TransitionImpl.cxx
@@ -548,7 +548,7 @@ private:
 
 GLuint ReflectionTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "reflectionVertexShader", "reflectionFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"reflectionVertexShader"_ustr, u"reflectionFragmentShader"_ustr );
 }
 
 void ReflectionTransition::displaySlides_( double nTime, sal_Int32 glLeavingSlideTex, sal_Int32 glEnteringSlideTex,
@@ -604,7 +604,7 @@ private:
 
 GLuint SimpleTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "basicFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"basicFragmentShader"_ustr );
 }
 
 void SimpleTransition::displaySlides_( double nTime, sal_Int32 glLeavingSlideTex, sal_Int32 glEnteringSlideTex,
@@ -1318,7 +1318,7 @@ private:
 
 GLuint FadeSmoothlyTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "fadeFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"fadeFragmentShader"_ustr );
 }
 
 std::shared_ptr<OGLTransitionImpl>
@@ -1369,7 +1369,7 @@ private:
 
 GLuint FadeThroughColorTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "fadeBlackFragmentShader",
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"fadeBlackFragmentShader"_ustr,
         useWhite ? "#define use_white" : "", "" );
 }
 
@@ -1526,7 +1526,7 @@ private:
 
 GLuint StaticNoiseTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "staticFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"staticFragmentShader"_ustr );
 }
 
 std::shared_ptr<OGLTransitionImpl>
@@ -1576,7 +1576,7 @@ private:
 
 GLuint DissolveTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "dissolveFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"dissolveFragmentShader"_ustr );
 }
 
 std::shared_ptr<OGLTransitionImpl>
@@ -1665,7 +1665,7 @@ void VortexTransition::finishTransition()
 
 GLuint VortexTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "vortexVertexShader", "vortexFragmentShader", "vortexGeometryShader" );
+    return OpenGLHelper::LoadShaders( u"vortexVertexShader"_ustr, u"vortexFragmentShader"_ustr, u"vortexGeometryShader"_ustr );
 }
 
 glm::mat4 lookAt(const glm::vec3& eye, const glm::vec3& center, const glm::vec3& up) {
@@ -1887,7 +1887,7 @@ private:
 
 GLuint RippleTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "basicVertexShader", "rippleFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"basicVertexShader"_ustr, u"rippleFragmentShader"_ustr );
 }
 
 void RippleTransition::prepareTransition( sal_Int32, sal_Int32, OpenGLContext* )
@@ -1983,7 +1983,7 @@ private:
 
 GLuint GlitterTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "glitterVertexShader", "glitterFragmentShader" );
+    return OpenGLHelper::LoadShaders( u"glitterVertexShader"_ustr, u"glitterFragmentShader"_ustr );
 }
 
 struct ThreeFloats
@@ -2109,7 +2109,7 @@ void HoneycombTransition::finishTransition()
 
 GLuint HoneycombTransition::makeShader() const
 {
-    return OpenGLHelper::LoadShaders( "honeycombVertexShader", "honeycombFragmentShader", "honeycombGeometryShader" );
+    return OpenGLHelper::LoadShaders( u"honeycombVertexShader"_ustr, u"honeycombFragmentShader"_ustr, u"honeycombGeometryShader"_ustr );
 }
 
 void HoneycombTransition::prepareTransition( sal_Int32 glLeavingSlideTex, sal_Int32 glEnteringSlideTex, OpenGLContext *pContext )
diff --git a/slideshow/source/engine/opengl/TransitionerImpl.cxx b/slideshow/source/engine/opengl/TransitionerImpl.cxx
index 1f39faf95227..c9e62a6ad1ec 100644
--- a/slideshow/source/engine/opengl/TransitionerImpl.cxx
+++ b/slideshow/source/engine/opengl/TransitionerImpl.cxx
@@ -301,7 +301,7 @@ bool OGLTransitionerImpl::initWindowFromSlideShowView( const Reference< presenta
         return false;
 
 #if OSL_DEBUG_LEVEL > 0
-    TimerContext aTimerContext("initWindowFromSlideShowView");
+    TimerContext aTimerContext(u"initWindowFromSlideShowView"_ustr);
 #endif
 
     /// take the XSlideShowView and extract the parent window from it. see viewmediashape.cxx
@@ -984,7 +984,7 @@ void OGLTransitionerImpl::GLInitSlides()
         return;
 
 #if OSL_DEBUG_LEVEL > 0
-    TimerContext aTimerContext("texture creation");
+    TimerContext aTimerContext(u"texture creation"_ustr);
 #endif
 
     mpContext->makeCurrent();
@@ -1167,11 +1167,11 @@ public:
     // XServiceInfo
     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override
     {
-        return { "com.sun.star.presentation.TransitionFactory" };
+        return { u"com.sun.star.presentation.TransitionFactory"_ustr };
     }
     virtual OUString SAL_CALL getImplementationName() override
     {
-        return "com.sun.star.comp.presentation.OGLTransitionFactory";
+        return u"com.sun.star.comp.presentation.OGLTransitionFactory"_ustr;
     }
     virtual sal_Bool SAL_CALL supportsService(const OUString& aServiceName) override
     {
diff --git a/slideshow/source/engine/rehearsetimingsactivity.cxx b/slideshow/source/engine/rehearsetimingsactivity.cxx
index 7afe8bca53f5..0d8295716092 100644
--- a/slideshow/source/engine/rehearsetimingsactivity.cxx
+++ b/slideshow/source/engine/rehearsetimingsactivity.cxx
@@ -56,7 +56,7 @@ public:
     WakeupEvent( std::shared_ptr< ::canvas::tools::ElapsedTime > const& pTimeBase,
                  ActivitySharedPtr const&                                 rActivity,
                  ActivitiesQueue &                                        rActivityQueue ) :
-        Event("WakeupEvent"),
+        Event(u"WakeupEvent"_ustr),
         maTimer(pTimeBase),
         mnNextTime(0.0),
         mpActivity(rActivity),
@@ -162,7 +162,7 @@ RehearseTimingsActivity::RehearseTimingsActivity( const SlideShowContext& rConte
     blackHole->SetMapMode(MapMode(MapUnit::MapPixel));
     tools::Rectangle rect;
     const FontMetric metric( blackHole->GetFontMetric() );
-    blackHole->GetTextBoundRect( rect, "XX:XX:XX" );
+    blackHole->GetTextBoundRect( rect, u"XX:XX:XX"_ustr );
     maSpriteSizePixel.setX( rect.getOpenWidth() * 12 / 10 );
     maSpriteSizePixel.setY( metric.GetLineHeight() * 11 / 10 );
     mnYOffset = (metric.GetAscent() + (metric.GetLineHeight() / 20));
diff --git a/slideshow/source/engine/shapes/backgroundshape.cxx b/slideshow/source/engine/shapes/backgroundshape.cxx
index 3028b6f44c85..e3e3fb9ccc88 100644
--- a/slideshow/source/engine/shapes/backgroundshape.cxx
+++ b/slideshow/source/engine/shapes/backgroundshape.cxx
@@ -142,8 +142,8 @@ namespace slideshow::internal
 
             sal_Int32 nDocWidth=0;
             sal_Int32 nDocHeight=0;
-            xPropSet->getPropertyValue("Width") >>= nDocWidth;
-            xPropSet->getPropertyValue("Height") >>= nDocHeight;
+            xPropSet->getPropertyValue(u"Width"_ustr) >>= nDocWidth;
+            xPropSet->getPropertyValue(u"Height"_ustr) >>= nDocHeight;
 
             mpMtf = xMtf;
             maBounds = ::basegfx::B2DRectangle( 0,0,nDocWidth, nDocHeight );
diff --git a/slideshow/source/engine/shapes/drawinglayeranimation.cxx b/slideshow/source/engine/shapes/drawinglayeranimation.cxx
index ea765eea9649..6713f3ab95c9 100644
--- a/slideshow/source/engine/shapes/drawinglayeranimation.cxx
+++ b/slideshow/source/engine/shapes/drawinglayeranimation.cxx
@@ -769,14 +769,14 @@ ActivityImpl::ActivityImpl(
     uno::Reference<drawing::XShape> const xShape( mpDrawShape->getXShape() );
     uno::Reference<beans::XPropertySet> const xProps( xShape, uno::UNO_QUERY_THROW );
 
-    getPropertyValue( meAnimKind, xProps, "TextAnimationKind" );
+    getPropertyValue( meAnimKind, xProps, u"TextAnimationKind"_ustr );
     OSL_ASSERT( meAnimKind != drawing::TextAnimationKind_NONE );
     mbAlternate = (meAnimKind == drawing::TextAnimationKind_ALTERNATE);
     mbScrollIn = (meAnimKind == drawing::TextAnimationKind_SLIDE);
 
     // adopted from in AInfoBlinkText::ImplInit():
     sal_Int16 nRepeat(0);
-    getPropertyValue( nRepeat, xProps, "TextAnimationCount" );
+    getPropertyValue( nRepeat, xProps, u"TextAnimationCount"_ustr );
     mnRepeat = nRepeat;
 
     if(mbAlternate)
@@ -788,20 +788,20 @@ ActivityImpl::ActivityImpl(
     else
     {
         getPropertyValue( mbVisibleWhenStarted, xProps,
-                          "TextAnimationStartInside" );
+                          u"TextAnimationStartInside"_ustr );
     }
 
     // set visible when stopped
     getPropertyValue( mbVisibleWhenStopped, xProps,
-                      "TextAnimatiogonStopInside" );
+                      u"TextAnimatiogonStopInside"_ustr );
     // rotation:
     getPropertyValue( mfRotationAngle, xProps,
-                      "RotateAngle" );
+                      u"RotateAngle"_ustr );
     mfRotationAngle /= -100.0; // (switching direction)
 
     // set frequency
     sal_Int16 nDelay(0);
-    getPropertyValue( nDelay, xProps, "TextAnimationDelay" );
+    getPropertyValue( nDelay, xProps, u"TextAnimationDelay"_ustr );
     // set delay if not automatic
     mnFrequency = (nDelay ? nDelay :
                    // default:
@@ -821,10 +821,10 @@ ActivityImpl::ActivityImpl(
     }
 
     // Get animation direction
-    getPropertyValue( meDirection, xProps, "TextAnimationDirection" );
+    getPropertyValue( meDirection, xProps, u"TextAnimationDirection"_ustr );
 
     // Get step width. Negative means pixel, positive logical units
-    getPropertyValue( mnStepWidth, xProps, "TextAnimationAmount" );
+    getPropertyValue( mnStepWidth, xProps, u"TextAnimationAmount"_ustr );
 
     maContext.mpSubsettableShapeManager->addIntrinsicAnimationHandler(
         mpListener );
diff --git a/slideshow/source/engine/shapes/drawshape.cxx b/slideshow/source/engine/shapes/drawshape.cxx
index 644d2c337b58..cdeb03e34f7d 100644
--- a/slideshow/source/engine/shapes/drawshape.cxx
+++ b/slideshow/source/engine/shapes/drawshape.cxx
@@ -380,7 +380,7 @@ namespace slideshow::internal
                                                           uno::UNO_QUERY );
             if( xPropSet.is() )
                 getPropertyValue( eKind, xPropSet,
-                                  "TextAnimationKind" );
+                                  u"TextAnimationKind"_ustr );
             mbDrawingLayerAnim = (eKind != drawing::TextAnimationKind_NONE);
 
             // must NOT be called from within initializer list, uses
diff --git a/slideshow/source/engine/shapes/gdimtftools.cxx b/slideshow/source/engine/shapes/gdimtftools.cxx
index d4f55928562f..d2ba02bf6cff 100644
--- a/slideshow/source/engine/shapes/gdimtftools.cxx
+++ b/slideshow/source/engine/shapes/gdimtftools.cxx
@@ -177,20 +177,20 @@ GDIMetaFileSharedPtr getMetaFile( const uno::Reference< lang::XComponent >&
         drawing::GraphicExportFilter::create(rxContext);
 
     uno::Sequence< beans::PropertyValue > aFilterData{
-        comphelper::makePropertyValue("ScrollText",
+        comphelper::makePropertyValue(u"ScrollText"_ustr,
                                       ((mtfLoadFlags & MTF_LOAD_SCROLL_TEXT_MTF) != 0)),
-        comphelper::makePropertyValue("ExportOnlyBackground",
+        comphelper::makePropertyValue(u"ExportOnlyBackground"_ustr,
                                       ((mtfLoadFlags & MTF_LOAD_BACKGROUND_ONLY) != 0)),
-        comphelper::makePropertyValue("Version", static_cast<sal_Int32>( SOFFICE_FILEFORMAT_50 )),
+        comphelper::makePropertyValue(u"Version"_ustr, static_cast<sal_Int32>( SOFFICE_FILEFORMAT_50 )),
         comphelper::makePropertyValue(
-            "CurrentPage", uno::Reference< uno::XInterface >( xContainingPage,
+            u"CurrentPage"_ustr, uno::Reference< uno::XInterface >( xContainingPage,
                                                               uno::UNO_QUERY_THROW ))
     };
 
     uno::Sequence< beans::PropertyValue > aProps{
-        comphelper::makePropertyValue("FilterName", OUString("SVM")),
-        comphelper::makePropertyValue("GraphicRenderer", uno::Reference< graphic::XGraphicRenderer >(xRenderer)),
-        comphelper::makePropertyValue("FilterData", aFilterData)
+        comphelper::makePropertyValue(u"FilterName"_ustr, u"SVM"_ustr),
+        comphelper::makePropertyValue(u"GraphicRenderer"_ustr, uno::Reference< graphic::XGraphicRenderer >(xRenderer)),
+        comphelper::makePropertyValue(u"FilterData"_ustr, aFilterData)
     };
 
     xExporter->setSourceDocument( xSource );
diff --git a/slideshow/source/engine/shapes/shapeimporter.cxx b/slideshow/source/engine/shapes/shapeimporter.cxx
index 9872427046d0..42eed1dc9952 100644
--- a/slideshow/source/engine/shapes/shapeimporter.cxx
+++ b/slideshow/source/engine/shapes/shapeimporter.cxx
@@ -57,7 +57,7 @@ std::unique_ptr<GraphicObject> importShapeGraphic(uno::Reference<beans::XPropert
     std::unique_ptr<GraphicObject> xRet;
 
     uno::Reference<graphic::XGraphic> xGraphic;
-    if (!getPropertyValue(xGraphic, xPropSet, "Graphic") || !xGraphic.is())
+    if (!getPropertyValue(xGraphic, xPropSet, u"Graphic"_ustr) || !xGraphic.is())
     {
         // no or empty property - cannot import shape graphic
         return xRet;
@@ -118,7 +118,7 @@ ShapeOfGroup::ShapeOfGroup( ShapeSharedPtr const&                      pGroupSha
     mnPrio(nPrio)
 {
     // read bound rect
-    uno::Any const aTmpRect_( xPropSet->getPropertyValue( "BoundRect" ));
+    uno::Any const aTmpRect_( xPropSet->getPropertyValue( u"BoundRect"_ustr ));
     awt::Rectangle const aTmpRect( aTmpRect_.get<awt::Rectangle>() );
     basegfx::B2DRectangle const groupPosSize( pGroupShape->getBounds() );
     maPosOffset = basegfx::B2DPoint( aTmpRect.X - groupPosSize.getMinX(),
@@ -223,7 +223,7 @@ ShapeSharedPtr ShapeImporter::createShape(
         // (Java)Applet shape. This is a special object
         return createAppletShape( xCurrShape,
                                   mnAscendingPrio,
-                                  "com.sun.star.comp.sfx2.AppletObject",
+                                  u"com.sun.star.comp.sfx2.AppletObject"_ustr,
                                   aPropertyValues,
                                   SAL_N_ELEMENTS(aPropertyValues),
                                   mrContext );
@@ -278,15 +278,15 @@ ShapeSharedPtr ShapeImporter::createShape(
         sal_Int16 nTransparency(0);
         sal_Int32 nRotation(0);
 
-        getPropertyValue( eColorMode, xPropSet, "GraphicColorMode" );
-        getPropertyValue( nLuminance, xPropSet, "AdjustLuminance" );
-        getPropertyValue( nContrast, xPropSet, "AdjustContrast" );
-        getPropertyValue( nRed, xPropSet, "AdjustRed" );
-        getPropertyValue( nGreen, xPropSet, "AdjustGreen" );
-        getPropertyValue( nBlue, xPropSet, "AdjustBlue" );
-        getPropertyValue( nGamma, xPropSet, "Gamma" );
-        getPropertyValue( nTransparency, xPropSet, "Transparency" );
-        getPropertyValue( nRotation, xPropSet, "RotateAngle" );
+        getPropertyValue( eColorMode, xPropSet, u"GraphicColorMode"_ustr );
+        getPropertyValue( nLuminance, xPropSet, u"AdjustLuminance"_ustr );
+        getPropertyValue( nContrast, xPropSet, u"AdjustContrast"_ustr );
+        getPropertyValue( nRed, xPropSet, u"AdjustRed"_ustr );
+        getPropertyValue( nGreen, xPropSet, u"AdjustGreen"_ustr );
+        getPropertyValue( nBlue, xPropSet, u"AdjustBlue"_ustr );
+        getPropertyValue( nGamma, xPropSet, u"Gamma"_ustr );
+        getPropertyValue( nTransparency, xPropSet, u"Transparency"_ustr );
+        getPropertyValue( nRotation, xPropSet, u"RotateAngle"_ustr );
 
         GraphicAttr aGraphAttrs;
         aGraphAttrs.SetDrawMode( static_cast<GraphicDrawMode>(eColorMode) );
@@ -300,7 +300,7 @@ ShapeSharedPtr ShapeImporter::createShape(
         aGraphAttrs.SetRotation( Degree10(static_cast<sal_Int16>(nRotation*10)) );
 
         text::GraphicCrop aGraphCrop;
-        if( getPropertyValue( aGraphCrop, xPropSet, "GraphicCrop" ))
+        if( getPropertyValue( aGraphCrop, xPropSet, u"GraphicCrop"_ustr ))
         {
             aGraphAttrs.SetCrop( aGraphCrop.Left,
                                  aGraphCrop.Top,
@@ -342,13 +342,13 @@ bool ShapeImporter::isSkip(
     bool bEmpty = false;
     if( getPropertyValue( bEmpty,
                           xPropSet,
-                          "IsEmptyPresentationObject") &&
+                          u"IsEmptyPresentationObject"_ustr) &&
         bEmpty )
     {
         // check object have fill or linestyle, if have, it should be visible
         drawing::FillStyle aFillStyle{ drawing::FillStyle_NONE };
         if (getPropertyValue(aFillStyle,
-            xPropSet, "FillStyle") &&
+            xPropSet, u"FillStyle"_ustr) &&
             aFillStyle != drawing::FillStyle_NONE)
         {
             bEmpty = false;
@@ -356,7 +356,7 @@ bool ShapeImporter::isSkip(
 
         drawing::LineStyle aLineStyle{ drawing::LineStyle_NONE };
         if (bEmpty && getPropertyValue(aLineStyle,
-            xPropSet, "LineStyle") &&
+            xPropSet, u"LineStyle"_ustr) &&
             aLineStyle != drawing::LineStyle_NONE)
         {
             bEmpty = false;
@@ -370,7 +370,7 @@ bool ShapeImporter::isSkip(
     if(xLayer.is())
     {
         OUString layerName;
-        const uno::Any& a(xLayer->getPropertyValue("Name") );
+        const uno::Any& a(xLayer->getPropertyValue(u"Name"_ustr) );
         bool const bRet = (a >>= layerName);
         if(bRet)
         {
@@ -402,9 +402,9 @@ void ShapeImporter::importPolygons(uno::Reference<beans::XPropertySet> const& xP
     drawing::PointSequenceSequence aRetval;
     sal_Int32           nLineColor=0;
     double              fLineWidth;
-    getPropertyValue( aRetval, xPropSet, "PolyPolygon" );
-    getPropertyValue( nLineColor, xPropSet, "LineColor" );
-    getPropertyValue( fLineWidth, xPropSet, "LineWidth" );
+    getPropertyValue( aRetval, xPropSet, u"PolyPolygon"_ustr );
+    getPropertyValue( nLineColor, xPropSet, u"LineColor"_ustr );
+    getPropertyValue( fLineWidth, xPropSet, u"LineWidth"_ustr );
 
     const drawing::PointSequence* pOuterSequence = aRetval.getArray();
 
diff --git a/slideshow/source/engine/shapes/viewappletshape.cxx b/slideshow/source/engine/shapes/viewappletshape.cxx
index 55ca3880fa2d..a3878ed53b36 100644
--- a/slideshow/source/engine/shapes/viewappletshape.cxx
+++ b/slideshow/source/engine/shapes/viewappletshape.cxx
@@ -121,7 +121,7 @@ namespace slideshow::internal
                                                                 uno::UNO_QUERY_THROW );
 
                 uno::Reference< awt::XWindow2 > xParentWindow(
-                    xPropSet->getPropertyValue("Window"),
+                    xPropSet->getPropertyValue(u"Window"_ustr),
                     uno::UNO_QUERY_THROW );
 
                 uno::Reference<lang::XMultiComponentFactory> xFactory(
diff --git a/slideshow/source/engine/shapes/viewmediashape.cxx b/slideshow/source/engine/shapes/viewmediashape.cxx
index f91972f8fe40..83acbd7e5207 100644
--- a/slideshow/source/engine/shapes/viewmediashape.cxx
+++ b/slideshow/source/engine/shapes/viewmediashape.cxx
@@ -168,7 +168,7 @@ namespace slideshow::internal
                 uno::Reference< beans::XPropertySet > xPropSet( mxShape, uno::UNO_QUERY );
                 if (xPropSet.is())
                 {
-                    xPropSet->getPropertyValue("FallbackGraphic") >>= xGraphic;
+                    xPropSet->getPropertyValue(u"FallbackGraphic"_ustr) >>= xGraphic;
                 }
 
                 Graphic aGraphic(xGraphic);
@@ -217,7 +217,7 @@ namespace slideshow::internal
             if( xPropSet.is() &&
                 getPropertyValue( xParentWindow,
                                   xPropSet,
-                                  "Window") )
+                                  u"Window"_ustr) )
             {
                 const awt::Rectangle aRect( xParentWindow->getPosSize() );
 
@@ -286,13 +286,13 @@ namespace slideshow::internal
                         if (xPropSet.is())
                         {
                             OUString aURL;
-                            xPropSet->getPropertyValue("MediaMimeType") >>= sMimeType;
-                            if ((xPropSet->getPropertyValue("PrivateTempFileURL") >>= aURL)
+                            xPropSet->getPropertyValue(u"MediaMimeType"_ustr) >>= sMimeType;
+                            if ((xPropSet->getPropertyValue(u"PrivateTempFileURL"_ustr) >>= aURL)
                                 && !aURL.isEmpty())
                             {
                                 implInitializeMediaPlayer( aURL, sMimeType );
                             }
-                            else if (xPropSet->getPropertyValue("MediaURL") >>= aURL)
+                            else if (xPropSet->getPropertyValue(u"MediaURL"_ustr) >>= aURL)
                             {
                                 implInitializeMediaPlayer( aURL, sMimeType );
                             }
@@ -337,19 +337,19 @@ namespace slideshow::internal
             bool bLoop( false );
             getPropertyValue( bLoop,
                               rxProps,
-                              "Loop");
+                              u"Loop"_ustr);
             mxPlayer->setPlaybackLoop( bLoop );
 
             bool bMute( false );
             getPropertyValue( bMute,
                               rxProps,
-                              "Mute");
+                              u"Mute"_ustr);
             mxPlayer->setMute( bMute || !mbIsSoundEnabled);
 
             sal_Int16 nVolumeDB(0);
             getPropertyValue( nVolumeDB,
                               rxProps,
-                              "VolumeDB");
+                              u"VolumeDB"_ustr);
             mxPlayer->setVolumeDB( nVolumeDB );
 
             if( mxPlayerWindow.is() )
@@ -357,7 +357,7 @@ namespace slideshow::internal
                 media::ZoomLevel eZoom(media::ZoomLevel_FIT_TO_WINDOW);
                 getPropertyValue( eZoom,
                                   rxProps,
-                                  "Zoom");
+                                  u"Zoom"_ustr);
                 mxPlayerWindow->setZoomLevel( eZoom );
             }
         }
@@ -376,7 +376,7 @@ namespace slideshow::internal
             {
                 if( !rMediaURL.isEmpty() )
                 {
-                    mxPlayer = avmedia::MediaWindow::createPlayer( rMediaURL, ""/*TODO!*/, &rMimeType );
+                    mxPlayer = avmedia::MediaWindow::createPlayer( rMediaURL, u""_ustr/*TODO!*/, &rMimeType );
                 }
             }
             catch( uno::RuntimeException& )
diff --git a/slideshow/source/engine/slide/slideimpl.cxx b/slideshow/source/engine/slide/slideimpl.cxx
index 4f7cf5654d34..436822f0ae2a 100644
--- a/slideshow/source/engine/slide/slideimpl.cxx
+++ b/slideshow/source/engine/slide/slideimpl.cxx
@@ -1076,8 +1076,8 @@ basegfx::B2ISize SlideImpl::getSlideSizeImpl() const
 
     sal_Int32 nDocWidth = 0;
     sal_Int32 nDocHeight = 0;
-    xPropSet->getPropertyValue("Width") >>= nDocWidth;
-    xPropSet->getPropertyValue("Height") >>= nDocHeight;
+    xPropSet->getPropertyValue(u"Width"_ustr) >>= nDocWidth;
+    xPropSet->getPropertyValue(u"Height"_ustr) >>= nDocHeight;
 
     return basegfx::B2ISize( nDocWidth, nDocHeight );
 }
diff --git a/slideshow/source/engine/slide/targetpropertiescreator.cxx b/slideshow/source/engine/slide/targetpropertiescreator.cxx
index 80f41cc4c795..c0d6b38bfef7 100644
--- a/slideshow/source/engine/slide/targetpropertiescreator.cxx
+++ b/slideshow/source/engine/slide/targetpropertiescreator.cxx
@@ -300,7 +300,7 @@ namespace slideshow::internal
                                             1,
                                             beans::NamedValue(
                                                 //xAnimateNode->getAttributeName(),
-                                                "visibility",
+                                                u"visibility"_ustr,
                                                 uno::Any( bVisible ) ) ) );
                         break;
                     }
diff --git a/slideshow/source/engine/slideshowimpl.cxx b/slideshow/source/engine/slideshowimpl.cxx
index 1acc020414db..61f2f6345d1f 100644
--- a/slideshow/source/engine/slideshowimpl.cxx
+++ b/slideshow/source/engine/slideshowimpl.cxx
@@ -525,7 +525,7 @@ struct SlideShowImpl::SeparateListenerImpl : public EventHandler,
         // shape), which would cause a flicker.
         mrEventQueue.addEventForNextRound(
             makeEvent( [this] () { this->mrShow.notifySlideAnimationsEnded(); },
-                "SlideShowImpl::notifySlideAnimationsEnded"));
+                u"SlideShowImpl::notifySlideAnimationsEnded"_ustr));
         return true;
     }
 
@@ -610,7 +610,7 @@ SlideShowImpl::SlideShowImpl(
             // #i82460# try to retrieve special transition factory
             mxOptionalTransitionFactory.set(
                 xFactory->createInstanceWithContext(
-                    "com.sun.star.presentation.TransitionFactory",
+                    u"com.sun.star.presentation.TransitionFactory"_ustr,
                     mxComponentContext ),
                 uno::UNO_QUERY );
         }
@@ -692,12 +692,12 @@ void SlideShowImpl::disposing()
 
 uno::Sequence< OUString > SAL_CALL SlideShowImpl::getSupportedServiceNames()
 {
-    return { "com.sun.star.presentation.SlideShow" };
+    return { u"com.sun.star.presentation.SlideShow"_ustr };
 }
 
 OUString SAL_CALL SlideShowImpl::getImplementationName()
 {
-    return "com.sun.star.comp.presentation.SlideShow";
+    return u"com.sun.star.comp.presentation.SlideShow"_ustr;
 }
 
 sal_Bool SAL_CALL SlideShowImpl::supportsService(const OUString& aServiceName)
@@ -779,7 +779,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     sal_Int16 nTransitionType(0);
     if( !getPropertyValue( nTransitionType,
                            xPropSet,
-                           "TransitionType") )
+                           u"TransitionType"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "Could not extract slide transition type from XDrawPage - assuming no transition" );
@@ -789,7 +789,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     sal_Int16 nTransitionSubType(0);
     if( !getPropertyValue( nTransitionSubType,
                            xPropSet,
-                           "TransitionSubtype") )
+                           u"TransitionSubtype"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "Could not extract slide transition subtype from XDrawPage - assuming no transition" );
@@ -799,7 +799,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     bool bTransitionDirection(false);
     if( !getPropertyValue( bTransitionDirection,
                            xPropSet,
-                           "TransitionDirection") )
+                           u"TransitionDirection"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "Could not extract slide transition direction from XDrawPage - assuming default direction" );
@@ -808,7 +808,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     sal_Int32 aUnoColor(0);
     if( !getPropertyValue( aUnoColor,
                            xPropSet,
-                           "TransitionFadeColor") )
+                           u"TransitionFadeColor"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "Could not extract slide transition fade color from XDrawPage - assuming black" );
@@ -819,10 +819,10 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     uno::Any aSound;
     bool bLoopSound = false;
 
-    if( !getPropertyValue( aSound, xPropSet, "Sound") )
+    if( !getPropertyValue( aSound, xPropSet, u"Sound"_ustr) )
         SAL_INFO("slideshow", "createSlideTransition(): Could not determine transition sound effect URL from XDrawPage - using no sound" );
 
-    if( !getPropertyValue( bLoopSound, xPropSet, "LoopSound" ) )
+    if( !getPropertyValue( bLoopSound, xPropSet, u"LoopSound"_ustr ) )
         SAL_INFO("slideshow", "createSlideTransition(): Could not get slide property 'LoopSound' - using no sound" );
 
     NumberAnimationSharedPtr pTransition(
@@ -848,7 +848,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     double nTransitionDuration(0.0);
     if( !getPropertyValue( nTransitionDuration,
                            xPropSet,
-                           "TransitionDuration") )
+                           u"TransitionDuration"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "Could not extract slide transition duration from XDrawPage - assuming no transition" );
@@ -858,7 +858,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     sal_Int32 nMinFrames(5);
     if( !getPropertyValue( nMinFrames,
                            xPropSet,
-                           "MinimalFrameNumber") )
+                           u"MinimalFrameNumber"_ustr) )
     {
         SAL_INFO("slideshow", "createSlideTransition(): "
                    "No minimal number of frames given - assuming 5" );
@@ -870,7 +870,7 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
     maEventQueue.addEvent(
         makeEvent( [pTransition] () {
                         pTransition->prefetch(); },
-            "Animation::prefetch"));
+            u"Animation::prefetch"_ustr));
 
     return ActivitySharedPtr(
         ActivitiesFactory::createSimpleActivity(
@@ -1147,7 +1147,7 @@ void SlideShowImpl::displaySlide(
                     mpCurrentSlide,
                     makeEvent(
                         [this] () { this->notifySlideTransitionEnded(false); },
-                        "SlideShowImpl::notifySlideTransitionEnded")));
+                        u"SlideShowImpl::notifySlideTransitionEnded"_ustr)));
 
             if (bSkipSlideTransition)
             {
@@ -1170,7 +1170,7 @@ void SlideShowImpl::displaySlide(
                 maEventQueue.addEvent(
                     makeEvent(
                         [this] () { this->notifySlideTransitionEnded(true); },
-                        "SlideShowImpl::notifySlideTransitionEnded"));
+                        u"SlideShowImpl::notifySlideTransitionEnded"_ustr));
             }
         }
     } // finally
@@ -1207,7 +1207,7 @@ void SlideShowImpl::redisplayCurrentSlide()
     // effect start event right away.
     maEventQueue.addEvent(
         makeEvent( [this] () { this->notifySlideTransitionEnded(true); },
-            "SlideShowImpl::notifySlideTransitionEnded"));
+            u"SlideShowImpl::notifySlideTransitionEnded"_ustr));
 
     maListenerContainer.forEach(
         [](uno::Reference<presentation::XSlideShowListener> const& xListener)
@@ -1433,30 +1433,30 @@ void lcl_setPropertiesToShape(const drawing::PointSequenceSequence& rPoints,
     //Give the built PointSequenceSequence.
     uno::Any aParam;
     aParam <<= rPoints;
-    aXPropSet->setPropertyValue("PolyPolygon", aParam);
+    aXPropSet->setPropertyValue(u"PolyPolygon"_ustr, aParam);
 
     //LineStyle : SOLID by default
     drawing::LineStyle eLS;
     eLS = drawing::LineStyle_SOLID;
-    aXPropSet->setPropertyValue("LineStyle", uno::Any(eLS));
+    aXPropSet->setPropertyValue(u"LineStyle"_ustr, uno::Any(eLS));
 
     //LineCap : ROUND by default, same as in show mode
     drawing::LineCap eLC;
     eLC = drawing::LineCap_ROUND;
-    aXPropSet->setPropertyValue("LineCap", uno::Any(eLC));
+    aXPropSet->setPropertyValue(u"LineCap"_ustr, uno::Any(eLC));
 
     //LineColor
     sal_uInt32 nLineColor = 0;
     if (pCanvasPolyPoly)
         nLineColor = pCanvasPolyPoly->getRGBALineColor();
     //Transform polygon color from RRGGBBAA to AARRGGBB
-    aXPropSet->setPropertyValue("LineColor", uno::Any(RGBAColor2UnoColor(nLineColor)));
+    aXPropSet->setPropertyValue(u"LineColor"_ustr, uno::Any(RGBAColor2UnoColor(nLineColor)));
 
     //LineWidth
     double  fLineWidth = 0;
     if (pCanvasPolyPoly)
         fLineWidth = pCanvasPolyPoly->getStrokeWidth();
-    aXPropSet->setPropertyValue("LineWidth", uno::Any(static_cast<sal_Int32>(fLineWidth)));
+    aXPropSet->setPropertyValue(u"LineWidth"_ustr, uno::Any(static_cast<sal_Int32>(fLineWidth)));
 }
 
 void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMultiServiceFactory >& xDocFactory )
@@ -1479,7 +1479,7 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
     // create layer
     uno::Reference< drawing::XLayer > xDrawnInSlideshow;
     uno::Any aPropLayer;
-    OUString sLayerName = "DrawnInSlideshow";
+    OUString sLayerName = u"DrawnInSlideshow"_ustr;
     if (xNameAccess->hasByName(sLayerName))
     {
         xNameAccess->getByName(sLayerName) >>= xDrawnInSlideshow;
@@ -1488,16 +1488,16 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
     {
         xDrawnInSlideshow = xLayerManager->insertNewByIndex(xLayerManager->getCount());
         aPropLayer <<= sLayerName;
-        xDrawnInSlideshow->setPropertyValue("Name", aPropLayer);
+        xDrawnInSlideshow->setPropertyValue(u"Name"_ustr, aPropLayer);
     }
 
     // ODF defaults from ctor of SdrLayer are not automatically set on the here
     // created XLayer. Need to be done explicitly here.
     aPropLayer <<= true;
-    xDrawnInSlideshow->setPropertyValue("IsVisible", aPropLayer);
-    xDrawnInSlideshow->setPropertyValue("IsPrintable", aPropLayer);
+    xDrawnInSlideshow->setPropertyValue(u"IsVisible"_ustr, aPropLayer);
+    xDrawnInSlideshow->setPropertyValue(u"IsPrintable"_ustr, aPropLayer);
     aPropLayer <<= false;
-    xDrawnInSlideshow->setPropertyValue("IsLocked", aPropLayer);
+    xDrawnInSlideshow->setPropertyValue(u"IsLocked"_ustr, aPropLayer);
 
     //Register polygons for each slide
     // The polygons are simplified using the Ramer-Douglas-Peucker algorithm.
@@ -1550,7 +1550,7 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
                     // Put what we have collected to the slide and then start a new pen drawing object
                     //create the PolyLineShape. The points will be in its PolyPolygon property.
                     uno::Reference<uno::XInterface> polyshape(
-                        xDocFactory->createInstance("com.sun.star.drawing.PolyLineShape"));
+                        xDocFactory->createInstance(u"com.sun.star.drawing.PolyLineShape"_ustr));
                     uno::Reference<drawing::XShape> rPolyShape(polyshape, uno::UNO_QUERY);
                     //Add the shape to the slide
                     Shapes->add(rPolyShape);
@@ -1575,7 +1575,7 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
         {
             //create the PolyLineShape. The points will be in its PolyPolygon property.
             uno::Reference<uno::XInterface> polyshape(
-                xDocFactory->createInstance("com.sun.star.drawing.PolyLineShape"));
+                xDocFactory->createInstance(u"com.sun.star.drawing.PolyLineShape"_ustr));
             uno::Reference<drawing::XShape> rPolyShape(polyshape, uno::UNO_QUERY);
             //Add the shape to the slide
             Shapes->add(rPolyShape);
@@ -2278,7 +2278,7 @@ void queryAutomaticSlideTransition( uno::Reference<drawing::XDrawPage> const& xD
     if( !xPropSet.is() ||
         !getPropertyValue( nChange,
                            xPropSet,
-                           "Change") )
+                           u"Change"_ustr) )
     {
         SAL_INFO("slideshow",
             "queryAutomaticSlideTransition(): "
@@ -2290,7 +2290,7 @@ void queryAutomaticSlideTransition( uno::Reference<drawing::XDrawPage> const& xD
     if( !xPropSet.is() ||
         !getPropertyValue( nAutomaticNextSlideTimeout,
                            xPropSet,
-                           "HighResDuration") )
+                           u"HighResDuration"_ustr) )
     {
         SAL_INFO("slideshow",
             "queryAutomaticSlideTransition(): "
@@ -2363,7 +2363,7 @@ void SlideShowImpl::notifySlideAnimationsEnded()
             // timeout involved.
             aNotificationEvents.mpImmediateEvent =
                 makeEvent( [this] () { this->notifySlideEnded(false); },
-                    "SlideShowImpl::notifySlideEnded");
+                    u"SlideShowImpl::notifySlideEnded"_ustr);
         }
     }
 
@@ -2427,10 +2427,10 @@ void SlideShowImpl::notifySlideEnded (const bool bReverse)
             if (xPropSet.is())
             {
                 xPropSet->setPropertyValue(
-                    "Change",
+                    u"Change"_ustr,
                     uno::Any( static_cast<sal_Int32>(1) ) );
                 xPropSet->setPropertyValue(
-                    "Duration",
+                    u"Duration"_ustr,
                     uno::Any( static_cast<sal_Int32>(time) ) );
             }
         }
diff --git a/slideshow/source/engine/slideview.cxx b/slideshow/source/engine/slideview.cxx
index 2b84a0f75542..0a168a4cda7a 100644
--- a/slideshow/source/engine/slideview.cxx
+++ b/slideshow/source/engine/slideview.cxx
@@ -1084,7 +1084,7 @@ void SlideView::modified( const lang::EventObject& /*aEvent*/ )
     mrEventQueue.addEvent(
         makeEvent( WeakRefWrapper(*this,
             [] (SlideView & rThis) { rThis.mrEventMultiplexer.notifyViewChanged(rThis.mxView); }),
-                   "EventMultiplexer::notifyViewChanged"));
+                   u"EventMultiplexer::notifyViewChanged"_ustr));
 }
 
 // XPaintListener
@@ -1099,7 +1099,7 @@ void SlideView::windowPaint( const awt::PaintEvent& /*e*/ )
     mrEventQueue.addEvent(
         makeEvent( WeakRefWrapper(*this,
             [] (SlideView & rThis) { rThis.mrEventMultiplexer.notifyViewClobbered(rThis.mxView); }),
-                   "EventMultiplexer::notifyViewClobbered") );
+                   u"EventMultiplexer::notifyViewClobbered"_ustr) );
 }
 
 void SlideView::updateCanvas()
diff --git a/slideshow/source/engine/soundplayer.cxx b/slideshow/source/engine/soundplayer.cxx
index 96bf9d387e3a..908610fea948 100644
--- a/slideshow/source/engine/soundplayer.cxx
+++ b/slideshow/source/engine/soundplayer.cxx
@@ -102,7 +102,7 @@ namespace slideshow::internal
                 }
                 const INetURLObject aURL( mpMediaTempFile ? mpMediaTempFile->m_TempFileURL : rSoundURL );
                 mxPlayer = avmedia::MediaWindow::createPlayer(
-                                aURL.GetMainURL( INetURLObject::DecodeMechanism::Unambiguous ), ""/*TODO!*/ );
+                                aURL.GetMainURL( INetURLObject::DecodeMechanism::Unambiguous ), u""_ustr/*TODO!*/ );
             }
             catch( uno::RuntimeException& )
             {
diff --git a/slideshow/source/engine/tools.cxx b/slideshow/source/engine/tools.cxx
index 13cf471a985c..1234b8bae27d 100644
--- a/slideshow/source/engine/tools.cxx
+++ b/slideshow/source/engine/tools.cxx
@@ -721,7 +721,7 @@ namespace slideshow::internal
                                                             uno::UNO_QUERY_THROW );
             // read bound rect
             awt::Rectangle aTmpRect;
-            if( !(xPropSet->getPropertyValue("BoundRect") >>= aTmpRect) )
+            if( !(xPropSet->getPropertyValue(u"BoundRect"_ustr) >>= aTmpRect) )
             {
                 ENSURE_OR_THROW( false,
                                   "getAPIShapeBounds(): Could not get \"BoundRect\" property from shape" );
diff --git a/slideshow/source/engine/transitions/shapetransitionfactory.cxx b/slideshow/source/engine/transitions/shapetransitionfactory.cxx
index 2df1b55a692a..8880e100b893 100644
--- a/slideshow/source/engine/transitions/shapetransitionfactory.cxx
+++ b/slideshow/source/engine/transitions/shapetransitionfactory.cxx
@@ -321,7 +321,7 @@ AnimationActivitySharedPtr createShapeTransitionByType(
                         pGeneratedActivity = ActivitiesFactory::createSimpleActivity(
                             rParms,
                             AnimationFactory::createNumberPropertyAnimation(
-                                "Opacity",
+                                u"Opacity"_ustr,
                                 rShape,
                                 rShapeManager,
                                 rSlideSize,
diff --git a/slideshow/source/engine/usereventqueue.cxx b/slideshow/source/engine/usereventqueue.cxx
index 6841a3a77f99..cdca145151ba 100644
--- a/slideshow/source/engine/usereventqueue.cxx
+++ b/slideshow/source/engine/usereventqueue.cxx
@@ -257,7 +257,7 @@ private:
                 return mrEventQueue.addEventWhenQueueIsEmpty(
                     makeEvent( [this] () {
                             this->mrEventMultiplexer.notifyNextEffect();
-                        }, "EventMultiplexer::notifyNextEffect") );
+                        }, u"EventMultiplexer::notifyNextEffect"_ustr) );
             }
             else
                 return true;
diff --git a/slideshow/source/engine/wakeupevent.cxx b/slideshow/source/engine/wakeupevent.cxx
index 9658661dc785..0bbadc894fca 100644
--- a/slideshow/source/engine/wakeupevent.cxx
+++ b/slideshow/source/engine/wakeupevent.cxx
@@ -29,7 +29,7 @@ namespace slideshow::internal
         WakeupEvent::WakeupEvent(
             std::shared_ptr<canvas::tools::ElapsedTime> const & pTimeBase,
             ActivitiesQueue& rActivityQueue ) :
-            Event("WakeupEvent"),
+            Event(u"WakeupEvent"_ustr),
             maTimer(pTimeBase),
             mnNextTime(0.0),
             mpActivity(),
diff --git a/slideshow/source/inc/interruptabledelayevent.hxx b/slideshow/source/inc/interruptabledelayevent.hxx
index 8d9d9d087c6f..2cbb9d919dff 100644
--- a/slideshow/source/inc/interruptabledelayevent.hxx
+++ b/slideshow/source/inc/interruptabledelayevent.hxx
@@ -38,7 +38,7 @@ namespace slideshow::internal
         public:
             DelayFacade( EventSharedPtr         xEvent,
                          double                 nTimeout    ) :
-                Event("DelayFacade"),
+                Event(u"DelayFacade"_ustr),
                 mpEvent(std::move( xEvent )),
                 mnTimeout( nTimeout )
             {