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remove FlowLayout.cpp that was accidentally kept
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Stephen Birarda
parent
0177513285
commit
462ff97722
1 changed files with 0 additions and 222 deletions
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdouble-promotion"
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#endif
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#include <QtWidgets>
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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#include "FlowLayout.h"
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//! [1]
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FlowLayout::FlowLayout(QWidget *parent, int margin, int hSpacing, int vSpacing)
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: QLayout(parent), m_hSpace(hSpacing), m_vSpace(vSpacing)
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{
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setContentsMargins(margin, margin, margin, margin);
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}
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FlowLayout::FlowLayout(int margin, int hSpacing, int vSpacing)
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: m_hSpace(hSpacing), m_vSpace(vSpacing)
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{
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setContentsMargins(margin, margin, margin, margin);
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}
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//! [1]
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//! [2]
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FlowLayout::~FlowLayout()
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{
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QLayoutItem *item;
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while ((item = takeAt(0)))
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delete item;
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}
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//! [2]
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//! [3]
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void FlowLayout::addItem(QLayoutItem *item)
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{
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itemList.append(item);
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}
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//! [3]
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//! [4]
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int FlowLayout::horizontalSpacing() const
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{
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if (m_hSpace >= 0) {
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return m_hSpace;
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} else {
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return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
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}
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}
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int FlowLayout::verticalSpacing() const
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{
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if (m_vSpace >= 0) {
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return m_vSpace;
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} else {
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return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
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}
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}
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//! [4]
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//! [5]
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int FlowLayout::count() const
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{
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return itemList.size();
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}
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QLayoutItem *FlowLayout::itemAt(int index) const
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{
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return itemList.value(index);
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}
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QLayoutItem *FlowLayout::takeAt(int index)
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{
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if (index >= 0 && index < itemList.size())
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return itemList.takeAt(index);
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else
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return 0;
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}
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//! [5]
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//! [6]
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Qt::Orientations FlowLayout::expandingDirections() const
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{
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return 0;
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}
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//! [6]
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//! [7]
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bool FlowLayout::hasHeightForWidth() const
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{
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return true;
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}
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int FlowLayout::heightForWidth(int width) const
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{
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int height = doLayout(QRect(0, 0, width, 0), true);
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return height;
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}
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//! [7]
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//! [8]
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void FlowLayout::setGeometry(const QRect &rect)
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{
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QLayout::setGeometry(rect);
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doLayout(rect, false);
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}
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QSize FlowLayout::sizeHint() const
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{
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return minimumSize();
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}
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QSize FlowLayout::minimumSize() const
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{
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QSize size;
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QLayoutItem *item;
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foreach (item, itemList)
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size = size.expandedTo(item->minimumSize());
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size += QSize(2*margin(), 2*margin());
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return size;
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}
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//! [8]
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//! [9]
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int FlowLayout::doLayout(const QRect &rect, bool testOnly) const
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{
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int left, top, right, bottom;
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getContentsMargins(&left, &top, &right, &bottom);
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QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
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int x = effectiveRect.x();
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int y = effectiveRect.y();
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int lineHeight = 0;
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//! [9]
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//! [10]
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QLayoutItem *item;
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foreach (item, itemList) {
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QWidget *wid = item->widget();
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int spaceX = horizontalSpacing();
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if (spaceX == -1)
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spaceX = wid->style()->layoutSpacing(
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QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Horizontal);
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int spaceY = verticalSpacing();
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if (spaceY == -1)
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spaceY = wid->style()->layoutSpacing(
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QSizePolicy::PushButton, QSizePolicy::PushButton, Qt::Vertical);
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//! [10]
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//! [11]
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int nextX = x + item->sizeHint().width() + spaceX;
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if (nextX - spaceX > effectiveRect.right() && lineHeight > 0) {
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x = effectiveRect.x();
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y = y + lineHeight + spaceY;
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nextX = x + item->sizeHint().width() + spaceX;
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lineHeight = 0;
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}
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if (!testOnly)
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item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
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x = nextX;
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lineHeight = qMax(lineHeight, item->sizeHint().height());
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}
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return y + lineHeight - rect.y() + bottom;
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}
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//! [11]
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//! [12]
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int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
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{
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QObject *parent = this->parent();
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if (!parent) {
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return -1;
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} else if (parent->isWidgetType()) {
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QWidget *pw = static_cast<QWidget *>(parent);
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return pw->style()->pixelMetric(pm, 0, pw);
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} else {
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return static_cast<QLayout *>(parent)->spacing();
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}
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}
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//! [12]
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