mirror of
https://github.com/qTox/qTox.git
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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/*
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Copyright © 2017 by The qTox Project Contributors
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "src/widget/splitterrestorer.h"
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#include <QSplitter>
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/**
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* @class SplitterRestorer
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* @brief Restore splitter from saved state and reset to default
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*/
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/**
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* @brief The width of the default splitter handles.
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* By default, this property contains a value that depends on the user's
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* platform and style preferences.
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*/
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static int defaultWidth = 0;
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/**
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* @brief Width of left splitter size in percents.
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*/
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const static int leftWidthPercent = 33;
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SplitterRestorer::SplitterRestorer(QSplitter* splitter)
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: splitter{splitter}
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{
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if (defaultWidth == 0) {
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defaultWidth = QSplitter().handleWidth();
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}
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}
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/**
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* @brief Restore splitter from state. And reset in case of error.
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* Set the splitter to a reasonnable width by default and on first start
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* @param state State saved by QSplitter::saveState()
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* @param windowSize Widnow size (used to calculate splitter size)
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*/
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void SplitterRestorer::restore(const QByteArray& state, const QSize& windowSize)
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{
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bool brokenSplitter = !splitter->restoreState(state) || splitter->orientation() != Qt::Horizontal
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|| splitter->handleWidth() > defaultWidth;
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if (splitter->count() == 2 && brokenSplitter) {
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splitter->setOrientation(Qt::Horizontal);
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splitter->setHandleWidth(defaultWidth);
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splitter->resize(windowSize);
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QList<int> sizes = splitter->sizes();
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sizes[0] = splitter->width() * leftWidthPercent / 100;
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sizes[1] = splitter->width() - sizes[0];
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splitter->setSizes(sizes);
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}
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}
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