Doc: Reviewed and revised QGraphicsAnchorLayout documentation.

Reviewed-by: Trust Me

3 files changed, 145 insertions, 8 deletions

diff --git a/examples/graphicsview/anchorlayout/anchorlayout.pro b/examples/graphicsview/anchorlayout/anchorlayout.pro
index c2a1bea..fd085cc 100644
--- a/examples/graphicsview/anchorlayout/anchorlayout.pro
+++ b/examples/graphicsview/anchorlayout/anchorlayout.pro
@@ -1,9 +1,4 @@
-######################################################################
-# Automatically generated by qmake (2.01a) Tue May 12 15:22:25 2009
-######################################################################
-
-# Input
-SOURCES += main.cpp
+SOURCES   = main.cpp
 
 # install
 target.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/anchorlayout
@@ -11,5 +6,4 @@ sources.files = $$SOURCES $$HEADERS $$RESOURCES anchorlayout.pro
 sources.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/anchorlayout
 INSTALLS += target sources
 
-TARGET = anchorlayout_example
-CONFIG+=console
\ No newline at end of file
+TARGET = anchorlayout
diff --git a/examples/graphicsview/simpleanchorlayout/main.cpp b/examples/graphicsview/simpleanchorlayout/main.cpp
new file mode 100644
index 0000000..493b00f
--- /dev/null
+++ b/examples/graphicsview/simpleanchorlayout/main.cpp
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+class Widget : public QGraphicsWidget
+{
+public:
+    Widget(const QColor &color, const QColor &textColor, const QString &caption,
+           QGraphicsItem *parent = 0)
+        : QGraphicsWidget(parent), caption(caption), color(color), textColor(textColor)
+    {
+    }
+
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)
+    {
+        QFont font;
+        font.setPixelSize(0.75 * qMin(boundingRect().width(), boundingRect().height()));
+
+        painter->fillRect(boundingRect(), color);
+        painter->save();
+        painter->setFont(font);
+        painter->setPen(textColor);
+        painter->drawText(boundingRect(), Qt::AlignCenter, caption);
+        painter->restore();
+    }
+
+private:
+    QString caption;
+    QColor color;
+    QColor textColor;
+};
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene *scene = new QGraphicsScene();
+
+    Widget *a = new Widget(Qt::blue, Qt::white, "a");
+    a->setPreferredSize(100, 100);
+    Widget *b = new Widget(Qt::green, Qt::black, "b");
+    b->setPreferredSize(100, 100);
+    Widget *c = new Widget(Qt::red, Qt::black, "c");
+    c->setPreferredSize(100, 100);
+
+    QGraphicsAnchorLayout *layout = new QGraphicsAnchorLayout();
+/*
+    //! [adding a corner anchor in two steps]
+    layout->addAnchor(a, Qt::AnchorTop, layout, Qt::AnchorTop);
+    layout->addAnchor(a, Qt::AnchorLeft, layout, Qt::AnchorLeft);
+    //! [adding a corner anchor in two steps]
+*/
+    //! [adding a corner anchor]
+    layout->addCornerAnchors(a, Qt::TopLeftCorner, layout, Qt::TopLeftCorner);
+    //! [adding a corner anchor]
+
+    //! [adding anchors]
+    layout->addAnchor(b, Qt::AnchorLeft, a, Qt::AnchorRight);
+    layout->addAnchor(b, Qt::AnchorTop, a, Qt::AnchorBottom);
+    //! [adding anchors]
+
+    // Place a third widget below the second.
+    layout->addAnchor(b, Qt::AnchorBottom, c, Qt::AnchorTop);
+
+/*
+    //! [adding anchors to match sizes in two steps]
+    layout->addAnchor(b, Qt::AnchorLeft, c, Qt::AnchorLeft);
+    layout->addAnchor(b, Qt::AnchorRight, c, Qt::AnchorRight);
+    //! [adding anchors to match sizes in two steps]
+*/
+
+    //! [adding anchors to match sizes]
+    layout->addAnchors(b, c, Qt::Horizontal);
+    //! [adding anchors to match sizes]
+
+    // Anchor the bottom-right corner of the third widget to the bottom-right
+    // corner of the layout.
+    layout->addCornerAnchors(c, Qt::BottomRightCorner, layout, Qt::BottomRightCorner);
+
+    QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
+    w->setPos(20, 20);
+    w->setMinimumSize(100, 100);
+    w->setPreferredSize(320, 240);
+    w->setLayout(layout);
+    w->setWindowTitle(QApplication::translate("simpleanchorlayout", "QGraphicsAnchorLayout in use"));
+    scene->addItem(w);
+
+    QGraphicsView *view = new QGraphicsView();
+    view->setScene(scene);
+    view->setWindowTitle(QApplication::translate("simpleanchorlayout", "Simple Anchor Layout"));
+    view->resize(360, 320);
+    view->show();
+
+    return app.exec();
+}
diff --git a/examples/graphicsview/simpleanchorlayout/simpleanchorlayout.pro b/examples/graphicsview/simpleanchorlayout/simpleanchorlayout.pro
new file mode 100644
index 0000000..e1c7aeb
--- /dev/null
+++ b/examples/graphicsview/simpleanchorlayout/simpleanchorlayout.pro
@@ -0,0 +1,9 @@
+SOURCES   = main.cpp
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/simpleanchorlayout
+sources.files = $$SOURCES $$HEADERS $$RESOURCES simpleanchorlayout.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/simpleanchorlayout
+INSTALLS += target sources
+
+TARGET = simpleanchorlayout