143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "shrinkabletabwidget.h"
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#include <QTabBar>
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#include <QDebug>
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#include <QResizeEvent>
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QHash<const ShrinkableTabWidget*,QSize> ShrinkableTabWidget::BeforeShrinkSizes;
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ShrinkableTabWidget::ShrinkableTabWidget(QWidget *parent):QTabWidget(parent),
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mShrinked(false)
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{
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}
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void ShrinkableTabWidget::setShrinkedFlag(bool shrinked)
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{
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mShrinked = shrinked;
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}
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void ShrinkableTabWidget::setShrinked(bool shrinked)
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{
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if (!mShrinked && shrinked) {
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setBeforeShrinkSize(size());
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}
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mShrinked = shrinked;
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switch(this->tabPosition()) {
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case QTabWidget::East:
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case QTabWidget::West:
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if (mShrinked) {
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this->setFixedWidth(tabBar()->width());
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} else {
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this->setMaximumWidth(QWIDGETSIZE_MAX);
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}
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break;
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case QTabWidget::North:
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case QTabWidget::South:
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if (mShrinked) {
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this->setFixedHeight(tabBar()->height());
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} else {
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this->setMaximumHeight(QWIDGETSIZE_MAX);
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}
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}
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}
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bool ShrinkableTabWidget::isShrinked() const
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{
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return mShrinked;
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}
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void ShrinkableTabWidget::toggleShrined()
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{
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setShrinked(!mShrinked);
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}
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void ShrinkableTabWidget::setBeforeShrinkSize(const QSize &size)
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{
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BeforeShrinkSizes.insert(this,size);
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}
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QSize ShrinkableTabWidget::beforeShrinkSize()
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{
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QSize size = BeforeShrinkSizes.value(this,QSize());
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if (!size.isValid() || size.isNull()) {
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size = QTabWidget::size();
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}
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return size;
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}
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QSize ShrinkableTabWidget::currentSize()
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{
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if (isShrinked())
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return beforeShrinkSize();
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else
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return size();
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}
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int ShrinkableTabWidget::beforeShrinkWidthOrHeight()
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{
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if (shrinkOrientation()==Qt::Vertical)
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return beforeShrinkSize().height();
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else
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return beforeShrinkSize().width();
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}
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Qt::Orientation ShrinkableTabWidget::shrinkOrientation()
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{
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switch(this->tabPosition()) {
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case QTabWidget::East:
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case QTabWidget::West:
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return Qt::Horizontal;
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default:
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return Qt::Vertical;
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}
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}
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QSize ShrinkableTabWidget::sizeHint() const
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{
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return QTabWidget::sizeHint();
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}
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QSize ShrinkableTabWidget::minimumSizeHint() const
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{
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QSize size=QTabWidget::minimumSizeHint();
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switch(this->tabPosition()) {
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case QTabWidget::East:
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case QTabWidget::West:
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if (isShrinked())
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size.setWidth(tabBar()->width());
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else
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size.setWidth(tabBar()->width()*2);
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break;
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case QTabWidget::North:
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case QTabWidget::South:
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if (isShrinked())
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size.setHeight(tabBar()->height());
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else
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size.setHeight(tabBar()->height()*2);
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}
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return size;
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}
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void ShrinkableTabWidget::resizeEvent(QResizeEvent *event)
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{
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QTabWidget::resizeEvent(event);
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if (!isShrinked())
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setBeforeShrinkSize(event->size());
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}
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