Moving .qdoc files under examples/widgets/doc

Updated those .qdoc files to refer to the new relative examples
emplacement. Images and snippets to be moved later.

Also grouped all widgets related examples under widgets.

Change-Id: Ib29696e2d8948524537f53e8dda88f9ee26a597f
Reviewed-by: J-P Nurmi <j-p.nurmi@nokia.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/examples/widgets/widgets/elidedlabel/elidedlabel.cpp b/examples/widgets/widgets/elidedlabel/elidedlabel.cpp
new file mode 100644
index 0000000000..5f58bbcca8
--- /dev/null
+++ b/examples/widgets/widgets/elidedlabel/elidedlabel.cpp
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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]