Define QzTools::setWmClass on all platforms.

Get rid of #ifdef's and make it do nothing on non X11.

src/lib/app/qupzilla.cpp

@@ -153,9 +153,7 @@ QupZilla::QupZilla(Qz::BrowserWindow type, QUrl startUrl)
 
     QTimer::singleShot(0, this, SLOT(postLaunch()));
 
-#if defined(QZ_WS_X11) && !defined(NO_X11)
     QzTools::setWmClass("Browser", this);
-#endif
 }
 
 void QupZilla::openWithTab(WebTab* tab)

src/lib/cookies/cookiemanager.cpp

@@ -77,9 +77,7 @@ CookieManager::CookieManager(QWidget* parent)
     QShortcut* removeShortcut = new QShortcut(QKeySequence("Del"), this);
     connect(removeShortcut, SIGNAL(activated()), this, SLOT(deletePressed()));
 
-#if defined(QZ_WS_X11) && !defined(NO_X11)
     QzTools::setWmClass("Cookies", this);
-#endif
 }
 
 void CookieManager::removeAll()

src/lib/other/browsinglibrary.cpp

@@ -59,10 +59,7 @@ BrowsingLibrary::BrowsingLibrary(QupZilla* mainClass, QWidget* parent)
     connect(ui->tabs, SIGNAL(CurrentChanged(int)), this, SLOT(currentIndexChanged(int)));
     connect(ui->searchLine, SIGNAL(textChanged(QString)), this, SLOT(search()));
 
-
-#if defined(QZ_WS_X11) && !defined(NO_X11)
     QzTools::setWmClass("Browsing Library", this);
-#endif
 }
 
 void BrowsingLibrary::currentIndexChanged(int index)

src/lib/preferences/preferences.cpp

@@ -481,9 +481,7 @@ Preferences::Preferences(QupZilla* mainClass, QWidget* parent)
     ui->html5permissions->setDisabled(true);
 #endif
 
-#if defined(QZ_WS_X11) && !defined(NO_X11)
     QzTools::setWmClass("Preferences", this);
-#endif
 }
 
 void Preferences::showStackedPage(QListWidgetItem* item)

src/lib/tools/qztools.cpp

@@ -657,17 +657,22 @@ Display* QzTools::X11Display(const QWidget* widget)
     return QX11Info::display();
 #endif
 }
+#endif
 
 void QzTools::setWmClass(const QString &name, const QWidget* widget)
 {
+#if defined(QZ_WS_X11) && !defined(NO_X11)
     QByteArray nameData = name.toUtf8();
 
     XClassHint classHint;
     classHint.res_name = const_cast<char*>(nameData.constData());
     classHint.res_class = const_cast<char*>("QupZilla");
     XSetClassHint(X11Display(widget), widget->winId(), &classHint);
-}
+#else
+    Q_UNUSED(name)
+    Q_UNUSED(widget)
 #endif
+}
 
 QString QzTools::operatingSystem()
 {

src/lib/tools/qztools.h

@@ -75,9 +75,10 @@ QString QT_QUPZILLA_EXPORT escape(const QString &string);
 
 #if defined(QZ_WS_X11) && !defined(NO_X11)
 Display* X11Display(const QWidget* widget);
-void QT_QUPZILLA_EXPORT setWmClass(const QString &name, const QWidget* widget);
 #endif
 
+void QT_QUPZILLA_EXPORT setWmClass(const QString &name, const QWidget* widget);
+
 template <typename T>
 bool listContainsIndex(const QList<T> &list, int index)
 {

src/lib/webview/siteinfo.cpp

@@ -177,9 +177,7 @@ SiteInfo::SiteInfo(WebView* view, QWidget* parent)
 
     ui->treeTags->sortByColumn(-1);
 
-#if defined(QZ_WS_X11) && !defined(NO_X11)
     QzTools::setWmClass("Site Info", this);
-#endif
 }
 
 void SiteInfo::imagesCustomContextMenuRequested(const QPoint &p)