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>

2 files changed, 120 insertions, 0 deletions

diff --git a/src/gui/doc/snippets/textblock-formats/main.cpp b/src/gui/doc/snippets/textblock-formats/main.cpp
new file mode 100644
index 0000000000..2f87341629
--- /dev/null
+++ b/src/gui/doc/snippets/textblock-formats/main.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** 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);
+
+//! [0]
+    QTextEdit *editor = new QTextEdit();
+    QTextCursor cursor(editor->textCursor());
+//! [0]
+    cursor.movePosition(QTextCursor::Start);
+
+    QTextBlockFormat blockFormat = cursor.blockFormat();
+    blockFormat.setTopMargin(4);
+    blockFormat.setLeftMargin(4);
+    blockFormat.setRightMargin(4);
+    blockFormat.setBottomMargin(4);
+
+    cursor.setBlockFormat(blockFormat);
+    cursor.insertText(tr("This contains plain text inside a "
+                         "text block with margins to keep it separate "
+                         "from other parts of the document."));
+
+    cursor.insertBlock();
+
+//! [1]
+    QTextBlockFormat backgroundFormat = blockFormat;
+    backgroundFormat.setBackground(QColor("lightGray"));
+
+    cursor.setBlockFormat(backgroundFormat);
+//! [1]
+    cursor.insertText(tr("The background color of a text block can be "
+                         "changed to highlight text."));
+
+    cursor.insertBlock();
+
+    QTextBlockFormat rightAlignedFormat = blockFormat;
+    rightAlignedFormat.setAlignment(Qt::AlignRight);
+
+    cursor.setBlockFormat(rightAlignedFormat);
+    cursor.insertText(tr("The alignment of the text within a block is "
+                         "controlled by the alignment properties of "
+                         "the block itself. This text block is "
+                         "right-aligned."));
+
+    cursor.insertBlock();
+
+    QTextBlockFormat paragraphFormat = blockFormat;
+    paragraphFormat.setAlignment(Qt::AlignJustify);
+    paragraphFormat.setTextIndent(32);
+
+    cursor.setBlockFormat(paragraphFormat);
+    cursor.insertText(tr("Text can be formatted so that the first "
+                         "line in a paragraph has its own margin. "
+                         "This makes the text more readable."));
+
+    cursor.insertBlock();
+
+    QTextBlockFormat reverseFormat = blockFormat;
+    reverseFormat.setAlignment(Qt::AlignJustify);
+    reverseFormat.setTextIndent(32);
+
+    cursor.setBlockFormat(reverseFormat);
+    cursor.insertText(tr("The direction of the text can be reversed. "
+                         "This is useful for right-to-left "
+                         "languages."));
+
+    editor->setWindowTitle(tr("Text Block Formats"));
+    editor->resize(480, 480);
+    editor->show();
+
+    return app.exec();
+}
diff --git a/src/gui/doc/snippets/textblock-formats/textblock-formats.pro b/src/gui/doc/snippets/textblock-formats/textblock-formats.pro
new file mode 100644
index 0000000000..d664835b09
--- /dev/null
+++ b/src/gui/doc/snippets/textblock-formats/textblock-formats.pro
@@ -0,0 +1,2 @@
+QT          += xml
+SOURCES     = main.cpp