[QtUtils] Adopt window fade, path, bold font and confirmation helpers (#7622)

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/dialogs/dlg_update.cpp

@@ -30,6 +30,7 @@
 #include <QTimer>
 #include <QVBoxLayout>
 #include <QWidget>
+#include <libcockatrice/utility/qt_utils.h>
 #include <qnamespace.h>
 #include <version_string.h>
 
@@ -170,16 +171,11 @@ void DlgUpdate::finishedUpdateCheck(bool needToUpdate, bool isCompatible, Releas
 
     publishDate = release->getPublishDate().toString(QLocale().dateFormat(QLocale::LongFormat));
     if (isCompatible) {
-        int reply;
-        reply = QMessageBox::question(
-            window(), tr("Update Available"),
-            tr("A new version of Cockatrice is available!") + "<br><br>" + "<b>" + tr("New version") +
-                QString(":</b> %1<br>").arg(release->getName()) + "<b>" + tr("Released") +
-                QString(":</b> %1 (<a href=\"%2\">").arg(publishDate, release->getDescriptionUrl()) + tr("Changelog") +
-                "</a>)<br><br>" + tr("Do you want to update now?"),
-            QMessageBox::Yes | QMessageBox::No);
-
-        if (reply == QMessageBox::Yes) {
+        if (QtUtils::confirm(window(), tr("Update Available"),
+                             tr("A new version of Cockatrice is available!") + "<br><br>" + "<b>" + tr("New version") +
+                                 QString(":</b> %1<br>").arg(release->getName()) + "<b>" + tr("Released") +
+                                 QString(":</b> %1 (<a href=\"%2\">").arg(publishDate, release->getDescriptionUrl()) +
+                                 tr("Changelog") + "</a>)<br><br>" + tr("Do you want to update now?"))) {
             downloadUpdate(release->getName());
         } else {
             closeDialog();