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Diffstat (limited to 'src/qtdesktop/qquicklayoutengine_p.h')
-rw-r--r-- | src/qtdesktop/qquicklayoutengine_p.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/qtdesktop/qquicklayoutengine_p.h b/src/qtdesktop/qquicklayoutengine_p.h new file mode 100644 index 00000000..c4cdaf08 --- /dev/null +++ b/src/qtdesktop/qquicklayoutengine_p.h @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVELAYOUTENGINE_H +#define QDECLARATIVELAYOUTENGINE_H + +#include <QVector> + +struct QQuickComponentsLayoutInfo +{ + QQuickComponentsLayoutInfo() + : stretch(1), + sizeHint(0), + spacing(0), + minimumSize(0), + maximumSize(0), + expansive(true), + done(false), + pos(0), + size(0) + { } + + inline qreal smartSizeHint() { + return (stretch > 0) ? minimumSize : sizeHint; + } + + inline qreal effectiveSpacer(qreal value) const { + return value + spacing; + } + + qreal stretch; + qreal sizeHint; + qreal spacing; + qreal minimumSize; + qreal maximumSize; + bool expansive; + + // result + bool done; + qreal pos; + qreal size; +}; + +void qDeclarativeLayoutCalculate(QVector<QQuickComponentsLayoutInfo> &chain, int start, + int count, qreal pos, qreal space, qreal spacer); + +#endif |