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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/buffer
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Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/buffer')
-rw-r--r--doc/src/snippets/buffer/buffer.cpp125
-rw-r--r--doc/src/snippets/buffer/buffer.pro14
2 files changed, 139 insertions, 0 deletions
diff --git a/doc/src/snippets/buffer/buffer.cpp b/doc/src/snippets/buffer/buffer.cpp
new file mode 100644
index 0000000..3df2ed0
--- /dev/null
+++ b/doc/src/snippets/buffer/buffer.cpp
@@ -0,0 +1,125 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include <QBuffer>
+#include <QPalette>
+
+static void main_snippet()
+{
+//! [0]
+ QBuffer buffer;
+ char ch;
+
+ buffer.open(QBuffer::ReadWrite);
+ buffer.write("Qt rocks!");
+ buffer.seek(0);
+ buffer.getChar(&ch); // ch == 'Q'
+ buffer.getChar(&ch); // ch == 't'
+ buffer.getChar(&ch); // ch == ' '
+ buffer.getChar(&ch); // ch == 'r'
+//! [0]
+}
+
+static void write_datastream_snippets()
+{
+//! [1]
+ QByteArray byteArray;
+ QBuffer buffer(&byteArray);
+ buffer.open(QIODevice::WriteOnly);
+
+ QDataStream out(&buffer);
+ out << QApplication::palette();
+//! [1]
+}
+
+static void read_datastream_snippets()
+{
+ QByteArray byteArray;
+
+//! [2]
+ QPalette palette;
+ QBuffer buffer(&byteArray);
+ buffer.open(QIODevice::ReadOnly);
+
+ QDataStream in(&buffer);
+ in >> palette;
+//! [2]
+}
+
+static void bytearray_ptr_ctor_snippet()
+{
+//! [3]
+ QByteArray byteArray("abc");
+ QBuffer buffer(&byteArray);
+ buffer.open(QIODevice::WriteOnly);
+ buffer.seek(3);
+ buffer.write("def", 3);
+ buffer.close();
+ // byteArray == "abcdef"
+//! [3]
+}
+
+static void setBuffer_snippet()
+{
+//! [4]
+ QByteArray byteArray("abc");
+ QBuffer buffer;
+ buffer.setBuffer(&byteArray);
+ buffer.open(QIODevice::WriteOnly);
+ buffer.seek(3);
+ buffer.write("def", 3);
+ buffer.close();
+ // byteArray == "abcdef"
+//! [4]
+}
+
+int main(int argc, char *argv[])
+{
+ QApplication app(argc, argv);
+
+ main_snippet();
+ bytearray_ptr_ctor_snippet();
+ write_datastream_snippets();
+ read_datastream_snippets();
+ setBuffer_snippet();
+ return 0;
+}
diff --git a/doc/src/snippets/buffer/buffer.pro b/doc/src/snippets/buffer/buffer.pro
new file mode 100644
index 0000000..87eab9f
--- /dev/null
+++ b/doc/src/snippets/buffer/buffer.pro
@@ -0,0 +1,14 @@
+######################################################################
+# Automatically generated by qmake (1.08a) Tue Jan 4 13:19:41 2005
+######################################################################
+
+TEMPLATE = app
+CONFIG -= moc
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+SOURCES += buffer.cpp
+CONFIG += qt warn_on debug create_prl link_prl
+OBJECTS_DIR=.obj/debug-shared
+MOC_DIR=.moc/debug-shared