1 files changed, 48 insertions, 0 deletions
diff --git a/tests/manual/qglyphruns/glyphruninspector.cpp b/tests/manual/qglyphruns/glyphruninspector.cpp
new file mode 100644
index 0000000000..0e35a1f94b
--- /dev/null
+++ b/tests/manual/qglyphruns/glyphruninspector.cpp
@@ -0,0 +1,48 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "glyphruninspector.h"
+#include "singleglyphrun.h"
+
+#include <QTextLayout>
+#include <QtWidgets>
+
+GlyphRunInspector::GlyphRunInspector(QWidget *parent)
+    : QWidget{parent}
+{
+    QHBoxLayout *layout = new QHBoxLayout(this);
+
+    m_tabWidget = new QTabWidget;
+    layout->addWidget(m_tabWidget);
+
+    connect(m_tabWidget,
+            &QTabWidget::currentChanged,
+            this,
+            &GlyphRunInspector::updateVisualizationForTab);
+}
+
+void GlyphRunInspector::updateVisualizationForTab()
+{
+    int currentTab = m_tabWidget->currentIndex();
+    SingleGlyphRun *gr = currentTab >= 0 && currentTab < m_content.size() ? m_content.at(currentTab) : nullptr;
+    if (gr != nullptr)
+        emit updateBounds(gr->bounds());
+}
+
+void GlyphRunInspector::updateLayout(QTextLayout *layout, int start, int length)
+{
+    QList<QGlyphRun> glyphRuns = layout->glyphRuns(start, length, QTextLayout::RetrieveAll);
+
+    m_tabWidget->clear();
+    qDeleteAll(m_content);
+    m_content.clear();
+    for (int i = 0; i < glyphRuns.size(); ++i) {
+        SingleGlyphRun *w = new SingleGlyphRun(m_tabWidget);
+        w->updateGlyphRun(glyphRuns.at(i));
+
+        m_tabWidget->addTab(w, QStringLiteral("%1").arg(glyphRuns.at(i).rawFont().familyName()));
+        m_content.append(w);
+    }
+
+    updateVisualizationForTab();
+}