1 files changed, 71 insertions, 0 deletions
diff --git a/examples/widgets/elidedlabel/elidedlabel.cpp b/examples/widgets/elidedlabel/elidedlabel.cpp
new file mode 100644
index 0000000000..4f3ac5e843
--- /dev/null
+++ b/examples/widgets/elidedlabel/elidedlabel.cpp
@@ -0,0 +1,71 @@
+#include "elidedlabel.h"
+
+#include <QPainter>
+#include <QTextLayout>
+#include <QDebug>
+
+//! [0]
+ElidedLabel::ElidedLabel(const QString &text, QWidget *parent)
+    : QFrame(parent)
+    , elided(false)
+    , content(text)
+{
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+}
+//! [0]
+
+//! [1]
+void ElidedLabel::setText(const QString &newText)
+{
+    content = newText;
+    update();
+}
+//! [1]
+
+//! [2]
+void ElidedLabel::paintEvent(QPaintEvent *event)
+{
+    QFrame::paintEvent(event);
+
+    QPainter painter(this);
+    QFontMetrics fontMetrics = painter.fontMetrics();
+
+    bool didElide = false;
+    int lineSpacing = fontMetrics.lineSpacing();
+    int y = 0;
+
+    QTextLayout textLayout(content, painter.font());
+    textLayout.beginLayout();
+    forever {
+        QTextLine line = textLayout.createLine();
+
+        if (!line.isValid())
+            break;
+
+        line.setLineWidth(width());
+        int nextLineY = y + lineSpacing;
+
+        if (height() >= nextLineY + lineSpacing) {
+            line.draw(&painter, QPoint(0, y));
+            y = nextLineY;
+            //! [2]
+            //! [3]
+        } else {
+            QString lastLine = content.mid(line.textStart());
+            QString elidedLastLine = fontMetrics.elidedText(lastLine, Qt::ElideRight, width());
+            painter.drawText(QPoint(0, y + fontMetrics.ascent()), elidedLastLine);
+            line = textLayout.createLine();
+            didElide = line.isValid();
+            break;
+        }
+    }
+    textLayout.endLayout();
+    //! [3]
+
+    //! [4]
+    if (didElide != elided) {
+        elided = didElide;
+        emit elisionChanged(didElide);
+    }
+}
+//! [4]