91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/*
|
|
*
|
|
* Copyright (C) 2020, KylinSoft Co., Ltd.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* Authors: zhangjiaping <zhangjiaping@kylinos.cn>
|
|
*
|
|
*/
|
|
#include "title-label.h"
|
|
#include <QPainter>
|
|
#include <QStyleOption>
|
|
#include <QApplication>
|
|
#define UNFOLD_LABEL_HEIGHT 30
|
|
#define NUM_LIMIT_SHOWN_DEFAULT 5
|
|
using namespace UkuiSearch;
|
|
TitleLabel::TitleLabel(QWidget * parent) : QLabel(parent) {
|
|
initUi();
|
|
initConnections();
|
|
}
|
|
|
|
void TitleLabel::setShowMoreLableVisible()
|
|
{
|
|
m_showMoreLabel->setVisible(true);
|
|
m_showMoreLabel->setLabel();
|
|
}
|
|
|
|
void TitleLabel::initUi()
|
|
{
|
|
m_radius = qApp->style()->property("normalRadius").toInt();
|
|
connect(qApp, &QApplication::paletteChanged, this, [&]() {
|
|
m_radius = qApp->style()->property("normalRadius").toInt();
|
|
});
|
|
this->setContentsMargins(8, 0, 0, 0);
|
|
this->setFixedHeight(24);
|
|
m_titleLyt = new QHBoxLayout(this);
|
|
this->setLayout(m_titleLyt);
|
|
m_showMoreLabel = new ShowMoreLabel(this);
|
|
m_showMoreLabel->setFixedHeight(UNFOLD_LABEL_HEIGHT);
|
|
m_showMoreLabel->adjustSize();
|
|
m_showMoreLabel->hide();
|
|
m_titleLyt->addStretch();
|
|
m_titleLyt->addWidget(m_showMoreLabel);
|
|
}
|
|
|
|
void TitleLabel::initConnections()
|
|
{
|
|
connect(m_showMoreLabel, &ShowMoreLabel::showMoreClicked, this, &TitleLabel::showMoreClicked);
|
|
connect(m_showMoreLabel, &ShowMoreLabel::retractClicked, this, &TitleLabel::retractClicked);
|
|
|
|
}
|
|
|
|
void TitleLabel::paintEvent(QPaintEvent * event)
|
|
{
|
|
Q_UNUSED(event)
|
|
|
|
QStyleOption opt;
|
|
opt.init(this);
|
|
QPainter p(this);
|
|
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
|
|
|
|
QRect rect = this->rect();
|
|
p.setRenderHint(QPainter::Antialiasing); // 反锯齿;
|
|
p.setBrush(opt.palette.color(QPalette::Text));
|
|
p.setOpacity(0.04);
|
|
p.setPen(Qt::NoPen);
|
|
p.drawRoundedRect(rect, m_radius, m_radius);
|
|
return QLabel::paintEvent(event);
|
|
}
|
|
|
|
void TitleLabel::onListLengthChanged(const int &length)
|
|
{
|
|
m_showMoreLabel->setVisible(length > NUM_LIMIT_SHOWN_DEFAULT);
|
|
}
|
|
|
|
void TitleLabel::labelReset()
|
|
{
|
|
m_showMoreLabel->resetLabel();
|
|
}
|