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-rw-r--r--examples/widgets/elidedlabel/elidedlabel.cpp71
-rw-r--r--examples/widgets/elidedlabel/elidedlabel.h36
-rw-r--r--examples/widgets/elidedlabel/main.cpp13
-rw-r--r--examples/widgets/elidedlabel/testwidget.cpp124
-rw-r--r--examples/widgets/elidedlabel/testwidget.h36
5 files changed, 280 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]
diff --git a/examples/widgets/elidedlabel/elidedlabel.h b/examples/widgets/elidedlabel/elidedlabel.h
new file mode 100644
index 0000000000..b68f605248
--- /dev/null
+++ b/examples/widgets/elidedlabel/elidedlabel.h
@@ -0,0 +1,36 @@
+#ifndef ELIDEDLABEL_H
+#define ELIDEDLABEL_H
+
+#include <QFrame>
+#include <QRect>
+#include <QResizeEvent>
+#include <QString>
+#include <QWidget>
+
+//! [0]
+class ElidedLabel : public QFrame
+{
+ Q_OBJECT
+ Q_PROPERTY(QString text READ text WRITE setText)
+ Q_PROPERTY(bool isElided READ isElided)
+
+public:
+ ElidedLabel(const QString &text, QWidget *parent = 0);
+
+ void setText(const QString &text);
+ const QString & text() const { return content; }
+ bool isElided() const { return elided; }
+
+protected:
+ void paintEvent(QPaintEvent *event);
+
+signals:
+ void elisionChanged(bool elided);
+
+private:
+ bool elided;
+ QString content;
+};
+//! [0]
+
+#endif // TEXTWRAPPINGWIDGET_H
diff --git a/examples/widgets/elidedlabel/main.cpp b/examples/widgets/elidedlabel/main.cpp
new file mode 100644
index 0000000000..1346d25e24
--- /dev/null
+++ b/examples/widgets/elidedlabel/main.cpp
@@ -0,0 +1,13 @@
+#include "testwidget.h"
+
+#include <QtGui/QApplication>
+
+//! [0]
+int main( int argc, char *argv[] )
+{
+ QApplication application( argc, argv );
+ TestWidget w;
+ w.showFullScreen();
+ return application.exec();
+}
+//! [0]
diff --git a/examples/widgets/elidedlabel/testwidget.cpp b/examples/widgets/elidedlabel/testwidget.cpp
new file mode 100644
index 0000000000..d3bf521832
--- /dev/null
+++ b/examples/widgets/elidedlabel/testwidget.cpp
@@ -0,0 +1,124 @@
+#include "testwidget.h"
+#include "elidedlabel.h"
+
+#include <QLabel>
+#include <QPushButton>
+#include <QSizePolicy>
+#include <QGridLayout>
+
+//! [0]
+TestWidget::TestWidget(QWidget *parent):
+ QWidget(parent)
+{
+ const QString romeo = tr(
+ "But soft, what light through yonder window breaks? / "
+ "It is the east, and Juliet is the sun. / "
+ "Arise, fair sun, and kill the envious moon, / "
+ "Who is already sick and pale with grief / "
+ "That thou, her maid, art far more fair than she."
+ );
+
+ const QString macbeth = tr(
+ "To-morrow, and to-morrow, and to-morrow, / "
+ "Creeps in this petty pace from day to day, / "
+ "To the last syllable of recorded time; / "
+ "And all our yesterdays have lighted fools / "
+ "The way to dusty death. Out, out, brief candle! / "
+ "Life's but a walking shadow, a poor player, / "
+ "That struts and frets his hour upon the stage, / "
+ "And then is heard no more. It is a tale / "
+ "Told by an idiot, full of sound and fury, / "
+ "Signifying nothing."
+ );
+
+ const QString harry = tr("Feeling lucky, punk?");
+
+ textSamples << romeo << macbeth << harry;
+ //! [0]
+
+ //! [1]
+ sampleIndex = 0;
+ elidedText = new ElidedLabel(textSamples[sampleIndex], this);
+ elidedText->setFrameStyle(QFrame::Box);
+ //! [1]
+
+ //! [2]
+ QPushButton *switchButton = new QPushButton(tr("Switch text"));
+ connect(switchButton, SIGNAL(clicked(bool)), this, SLOT(switchText()));
+
+ QPushButton *exitButton = new QPushButton(tr("Exit"));
+ connect(exitButton, SIGNAL(clicked(bool)), this, SLOT(close()));
+
+ QLabel *label = new QLabel(tr("Elided"));
+ label->setVisible(elidedText->isElided());
+ connect(elidedText, SIGNAL(elisionChanged(bool)), label, SLOT(setVisible(bool)));
+ //! [2]
+
+ //! [3]
+ widthSlider = new QSlider(Qt::Horizontal);
+ widthSlider->setMinimum(0);
+ connect(widthSlider, SIGNAL(valueChanged(int)), this, SLOT(onWidthChanged(int)));
+
+ heightSlider = new QSlider(Qt::Vertical);
+ heightSlider->setInvertedAppearance(true);
+ heightSlider->setMinimum(0);
+ connect(heightSlider, SIGNAL(valueChanged(int)), this, SLOT(onHeightChanged(int)));
+ //! [3]
+
+ //! [4]
+ QGridLayout *layout = new QGridLayout();
+ layout->addWidget(label, 0, 1, Qt::AlignCenter);
+ layout->addWidget(switchButton, 0, 2);
+ layout->addWidget(exitButton, 0, 3);
+ layout->addWidget(widthSlider, 1, 1, 1, 3);
+ layout->addWidget(heightSlider, 2, 0);
+ layout->addWidget(elidedText, 2, 1, 1, 3, Qt::AlignTop | Qt::AlignLeft);
+
+ setLayout(layout);
+ //! [4]
+
+ //! [5]
+#ifdef Q_WS_MAEMO_5
+ setAttribute(Qt::WA_Maemo5AutoOrientation, true);
+#endif
+}
+//! [5]
+
+//! [6]
+void TestWidget::resizeEvent(QResizeEvent *event)
+{
+ Q_UNUSED(event)
+
+ int maxWidth = widthSlider->width();
+ widthSlider->setMaximum(maxWidth);
+ widthSlider->setValue(maxWidth / 2);
+
+ int maxHeight = heightSlider->height();
+ heightSlider->setMaximum(maxHeight);
+ heightSlider->setValue(maxHeight / 2);
+
+ elidedText->setFixedSize(widthSlider->value(), heightSlider->value());
+}
+//! [6]
+
+//! [7]
+void TestWidget::switchText()
+{
+ sampleIndex = (sampleIndex + 1) % textSamples.size();
+ elidedText->setText(textSamples.at(sampleIndex));
+}
+//! [7]
+
+//! [8]
+void TestWidget::onWidthChanged(int width)
+{
+ elidedText->setFixedWidth(width);
+}
+
+void TestWidget::onHeightChanged(int height)
+{
+ elidedText->setFixedHeight(height);
+}
+//! [8]
+
+
diff --git a/examples/widgets/elidedlabel/testwidget.h b/examples/widgets/elidedlabel/testwidget.h
new file mode 100644
index 0000000000..ed4de95107
--- /dev/null
+++ b/examples/widgets/elidedlabel/testwidget.h
@@ -0,0 +1,36 @@
+#ifndef TESTWIDGET_H
+#define TESTWIDGET_H
+
+#include <QWidget>
+#include <QStringList>
+#include <QSlider>
+#include <QComboBox>
+
+class ElidedLabel;
+
+//! [0]
+class TestWidget : public QWidget
+{
+ Q_OBJECT
+
+public:
+ TestWidget(QWidget *parent = 0);
+
+protected:
+ void resizeEvent(QResizeEvent *event);
+
+private slots:
+ void switchText();
+ void onWidthChanged(int width);
+ void onHeightChanged(int height);
+
+private:
+ int sampleIndex;
+ QStringList textSamples;
+ ElidedLabel *elidedText;
+ QSlider *heightSlider;
+ QSlider *widthSlider;
+};
+//! [0]
+
+#endif // TESTWIDGET_H