83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*
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*
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* Copyright (C) 2020, KylinSoft Co., Ltd.
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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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* Authors: zhangjiaping <zhangjiaping@kylinos.cn>
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*
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*/
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#include "title-label.h"
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#include <QPainter>
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#include <QStyleOption>
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#define UNFOLD_LABEL_HEIGHT 30
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#define NUM_LIMIT_SHOWN_DEFAULT 5
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using namespace UkuiSearch;
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TitleLabel::TitleLabel(QWidget * parent) : QLabel(parent) {
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initUi();
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initConnections();
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}
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void TitleLabel::setShowMoreLableVisible()
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{
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m_showMoreLabel->setVisible(true);
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m_showMoreLabel->setLabel();
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}
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void TitleLabel::initUi() {
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this->setContentsMargins(8, 0, 0, 0);
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this->setFixedHeight(24);
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m_titleLyt = new QHBoxLayout(this);
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this->setLayout(m_titleLyt);
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m_showMoreLabel = new ShowMoreLabel(this);
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m_showMoreLabel->setFixedHeight(UNFOLD_LABEL_HEIGHT);
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m_showMoreLabel->adjustSize();
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m_showMoreLabel->hide();
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m_titleLyt->addStretch();
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m_titleLyt->addWidget(m_showMoreLabel);
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}
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void TitleLabel::initConnections() {
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connect(m_showMoreLabel, &ShowMoreLabel::showMoreClicked, this, &TitleLabel::showMoreClicked);
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connect(m_showMoreLabel, &ShowMoreLabel::retractClicked, this, &TitleLabel::retractClicked);
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}
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void TitleLabel::paintEvent(QPaintEvent * event) {
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Q_UNUSED(event)
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QStyleOption opt;
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opt.init(this);
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QPainter p(this);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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QRect rect = this->rect();
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p.setRenderHint(QPainter::Antialiasing); // 反锯齿;
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p.setBrush(opt.palette.color(QPalette::Text));
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p.setOpacity(0.04);
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p.setPen(Qt::NoPen);
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p.drawRoundedRect(rect, 6, 6);
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return QLabel::paintEvent(event);
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}
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void TitleLabel::onListLengthChanged(const int &length)
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{
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m_showMoreLabel->setVisible(length > NUM_LIMIT_SHOWN_DEFAULT);
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}
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void TitleLabel::lableReset()
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{
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m_showMoreLabel->resetLabel();
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}
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