Initial commit

Lts/Tools/ScreenIdShow/main.cpp

@@ -0,0 +1,41 @@
+#include <QApplication>
+#include <QWidget>
+#include <QLabel>
+#include <QScreen>
+#include <QRect>
+#include <QSize>
+#include <QFont>
+#include <QDebug>
+
+
+int main(int argc, char **argv)
+{
+  QApplication app(argc, argv);
+  QList<QScreen *> screenList = QApplication::screens();
+
+  qWarning() << "screen count" << screenList.count();
+
+  for (int i = 0; i < screenList.count(); i++)
+  {
+    QScreen *screen = screenList.at(i);
+    QRect screenGeo(screen->geometry());
+
+    qWarning() << "screen" << i << "at" << screenGeo;
+
+    QWidget *widget = new QWidget(nullptr);
+
+    QLabel *label = new QLabel(QString::number(i), widget);
+    label->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+
+    QFont font(label->font());
+    font.setBold(true);
+    font.setPointSize(120);
+    label->setFont(font);
+
+    widget->setGeometry(QRect(screenGeo.topLeft(), QSize(200, 200)));
+    widget->activateWindow();
+    widget->show();
+  }
+
+  return app.exec();
+}