Qt GUI: Adding Rich Text Processing documentation from qtdoc

-included the snippets
-editing for technical accuracy still to be done.
-ported missing files from Qt 4

Change-Id: I0b2d27630b762c6518c08973a40b476d7852001d
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

5 files changed, 106 insertions, 0 deletions

diff --git a/src/gui/doc/snippets/textdocument-imageformat/images.qrc b/src/gui/doc/snippets/textdocument-imageformat/images.qrc
new file mode 100644
index 0000000000..6473daf34e
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-imageformat/images.qrc
@@ -0,0 +1,6 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+   <file>images/advert.png</file>
+   <file>images/newimage.png</file>
+</qresource>
+</RCC>
diff --git a/src/gui/doc/snippets/textdocument-imageformat/images/advert.png b/src/gui/doc/snippets/textdocument-imageformat/images/advert.png
new file mode 100644
index 0000000000..40e10d5225
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-imageformat/images/advert.png
diff --git a/src/gui/doc/snippets/textdocument-imageformat/images/newimage.png b/src/gui/doc/snippets/textdocument-imageformat/images/newimage.png
new file mode 100644
index 0000000000..0eec048a77
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-imageformat/images/newimage.png
diff --git a/src/gui/doc/snippets/textdocument-imageformat/main.cpp b/src/gui/doc/snippets/textdocument-imageformat/main.cpp
new file mode 100644
index 0000000000..923549f49f
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-imageformat/main.cpp
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation 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 Digia Plc 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 <QtGui>
+
+QString tr(const char *text)
+{
+    return QApplication::translate(text, text);
+}
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    QTextEdit *editor = new QTextEdit;
+
+    QTextDocument *document = new QTextDocument(editor);
+    QTextCursor cursor(document);
+
+    QTextImageFormat imageFormat;
+    imageFormat.setName(":/images/advert.png");
+    cursor.insertImage(imageFormat);
+
+    QTextBlock block = cursor.block();
+    QTextFragment fragment;
+    QTextBlock::iterator it;
+
+    for (it = block.begin(); !(it.atEnd()); ++it) {
+        fragment = it.fragment();
+
+        if (fragment.contains(cursor.position()))
+            break;
+    }
+
+//! [0]
+    if (fragment.isValid()) {
+        QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();
+
+        if (newImageFormat.isValid()) {
+            newImageFormat.setName(":/images/newimage.png");
+            QTextCursor helper = cursor;
+
+            helper.setPosition(fragment.position());
+            helper.setPosition(fragment.position() + fragment.length(),
+                                QTextCursor::KeepAnchor);
+            helper.setCharFormat(newImageFormat);
+//! [0] //! [1]
+        }
+//! [1] //! [2]
+    }
+//! [2]
+
+    cursor.insertBlock();
+    cursor.insertText("Code less. Create more.");
+
+    editor->setDocument(document);
+    editor->setWindowTitle(tr("Text Document Image Format"));
+    editor->resize(320, 480);
+    editor->show();
+
+    return app.exec();
+}
diff --git a/src/gui/doc/snippets/textdocument-imageformat/textdocument-imageformat.pro b/src/gui/doc/snippets/textdocument-imageformat/textdocument-imageformat.pro
new file mode 100644
index 0000000000..1c6437050a
--- /dev/null
+++ b/src/gui/doc/snippets/textdocument-imageformat/textdocument-imageformat.pro
@@ -0,0 +1,2 @@
+SOURCES     = main.cpp
+RESOURCES   += images.qrc