85 lines
3.4 KiB
C++
85 lines
3.4 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** BSD License Usage
|
|
** Alternatively, 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 The Qt Company Ltd 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."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <QLayout>
|
|
#include <QRect>
|
|
#include <QStyle>
|
|
|
|
class FlowLayout : public QLayout
|
|
{
|
|
public:
|
|
explicit FlowLayout(QWidget* parent, int margin = -1, int h_spacing = -1, int v_spacing = -1);
|
|
explicit FlowLayout(int margin = -1, int h_spacing = -1, int v_spacing = -1);
|
|
~FlowLayout();
|
|
|
|
void addItem(QLayoutItem* item) override;
|
|
int horizontalSpacing() const;
|
|
int verticalSpacing() const;
|
|
Qt::Orientations expandingDirections() const override;
|
|
bool hasHeightForWidth() const override;
|
|
int heightForWidth(int) const override;
|
|
int count() const override;
|
|
QLayoutItem* itemAt(int index) const override;
|
|
QSize minimumSize() const override;
|
|
void setGeometry(const QRect& rect) override;
|
|
QSize sizeHint() const override;
|
|
QLayoutItem* takeAt(int index) override;
|
|
|
|
private:
|
|
int doLayout(const QRect& rect, bool testOnly) const;
|
|
int smartSpacing(QStyle::PixelMetric pm) const;
|
|
|
|
QList<QLayoutItem*> m_item_list;
|
|
int m_h_space;
|
|
int m_v_space;
|
|
};
|