Plugins: use _L1 for for creating Latin-1 string literals

As a drive-by, fix qsizetype -> int narrowing conversion warnings for
the touched lines.

Task-number: QTBUG-98434
Change-Id: I7fadd3cf27ad099028d70f05956303e3af62c0f5
Reviewed-by: Marc Mutz <marc.mutz@qt.io>

3 files changed, 12 insertions, 6 deletions

diff --git a/src/plugins/platforms/bsdfb/main.cpp b/src/plugins/platforms/bsdfb/main.cpp
index b2cd1373a7..13fe7df028 100644
--- a/src/plugins/platforms/bsdfb/main.cpp
+++ b/src/plugins/platforms/bsdfb/main.cpp
@@ -43,6 +43,8 @@
 
 QT_BEGIN_NAMESPACE
 
+using namespace Qt::StringLiterals;
+
 class QBsdFbIntegrationPlugin : public QPlatformIntegrationPlugin
 {
     Q_OBJECT
@@ -54,7 +56,7 @@ public:
 QPlatformIntegration* QBsdFbIntegrationPlugin::create(const QString& system, const QStringList& paramList)
 {
     Q_UNUSED(paramList);
-    if (!system.compare(QLatin1String("bsdfb"), Qt::CaseInsensitive))
+    if (!system.compare("bsdfb"_L1, Qt::CaseInsensitive))
         return new QBsdFbIntegration(paramList);
 
     return nullptr;
diff --git a/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp b/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp
index db6d9fd968..8d72aa9f63 100644
--- a/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp
+++ b/src/plugins/platforms/bsdfb/qbsdfbintegration.cpp
@@ -61,6 +61,8 @@
 
 QT_BEGIN_NAMESPACE
 
+using namespace Qt::StringLiterals;
+
 QBsdFbIntegration::QBsdFbIntegration(const QStringList &paramList)
 {
     m_fontDb.reset(new QGenericUnixFontDatabase);
@@ -139,7 +141,7 @@ void QBsdFbIntegration::createInputHandlers()
 #if QT_CONFIG(tslib)
     const bool useTslib = qEnvironmentVariableIntValue("QT_QPA_FB_TSLIB");
     if (useTslib)
-        new QTsLibMouseHandler(QLatin1String("TsLib"), QString());
+        new QTsLibMouseHandler("TsLib"_L1, QString());
 #endif
 }
 
diff --git a/src/plugins/platforms/bsdfb/qbsdfbscreen.cpp b/src/plugins/platforms/bsdfb/qbsdfbscreen.cpp
index 10d45dd0e9..58a22097b3 100644
--- a/src/plugins/platforms/bsdfb/qbsdfbscreen.cpp
+++ b/src/plugins/platforms/bsdfb/qbsdfbscreen.cpp
@@ -66,6 +66,8 @@
 
 QT_BEGIN_NAMESPACE
 
+using namespace Qt::StringLiterals;
+
 enum {
     DefaultDPI = 100
 };
@@ -152,10 +154,10 @@ QBsdFbScreen::~QBsdFbScreen()
 
 bool QBsdFbScreen::initialize()
 {
-    QRegularExpression fbRx(QLatin1String("fb=(.*)"));
-    QRegularExpression mmSizeRx(QLatin1String("mmsize=(\\d+)x(\\d+)"));
-    QRegularExpression sizeRx(QLatin1String("size=(\\d+)x(\\d+)"));
-    QRegularExpression offsetRx(QLatin1String("offset=(\\d+)x(\\d+)"));
+    QRegularExpression fbRx("fb=(.*)"_L1);
+    QRegularExpression mmSizeRx("mmsize=(\\d+)x(\\d+)"_L1);
+    QRegularExpression sizeRx("size=(\\d+)x(\\d+)"_L1);
+    QRegularExpression offsetRx("offset=(\\d+)x(\\d+)"_L1);
 
     QString fbDevice;
     QSize userMmSize;