forked from openkylin/ukui-panel
133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* Copyright: 2010-2011 Razor team
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* Authors:
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* Petr Vanek <petr@scribus.info>
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*
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* Copyright: 2019 Tianjin KYLIN Information Technology Co., Ltd. *
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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//Qt
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#include <QAction>
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#include <QtX11Extras/QX11Info>
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#include <QStyleOption>
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#include <QPainter>
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#include <QTimer>
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//Kf5
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#include <KWindowSystem/KWindowSystem>
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#include <KWindowSystem/NETWM>
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#include <QApplication>
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//panel
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#include "showdesktop.h"
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#include "../panel/pluginsettings.h"
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#define DEFAULT_SHORTCUT "Control+Alt+D"
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#define DESKTOP_WIDTH (12)
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#define DESKTOP_WIDGET_HIGHT 100
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ShowDesktop::ShowDesktop(const IUKUIPanelPluginStartupInfo &startupInfo) :
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QWidget(),
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IUKUIPanelPlugin(startupInfo)
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{
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translator();
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m_state = NORMAL;
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this->setToolTip(tr("Show Desktop"));
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realign();
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this->setContextMenuPolicy(Qt::PreventContextMenu);
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}
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void ShowDesktop::translator()
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{
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QTranslator *translator = new QTranslator(this);
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translator->load(QLocale(), "showdesktop", "_", SHOWDESKTOP_TRANSLATION_DIR);
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QCoreApplication::installTranslator(translator);
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}
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void ShowDesktop::realign()
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{
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if(panel()->isHorizontal())
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{
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this->setFixedSize(DESKTOP_WIDTH,panel()->panelSize());
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m_xEndPoint=0;
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m_yEndPoint=100;
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}
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else
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{
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this->setFixedSize(panel()->panelSize(),DESKTOP_WIDTH);
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m_xEndPoint=100;
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m_yEndPoint=0;
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}
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}
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void ShowDesktop::mousePressEvent(QMouseEvent *)
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{
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m_state = CLICK;
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update();
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KWindowSystem::setShowingDesktop(!KWindowSystem::showingDesktop());
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}
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void ShowDesktop::paintEvent(QPaintEvent *e)
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{
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QStyleOption opt;
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opt.init(this);
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QPainter p(this);
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/*设置画笔的颜色，此处画笔作用与Line，所以必须在drawLine 之前调用*/
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QColor backcolor = palette().color(QPalette::BrightText);
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switch (m_state) {
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case NORMAL:
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backcolor.setAlphaF(0.05);
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p.setPen(backcolor);
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p.drawLine(0, 0, m_xEndPoint, m_yEndPoint);
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break;
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case HOVER:
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backcolor.setAlphaF(0.1);
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p.setPen(backcolor);
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p.drawLine(0, 0, m_xEndPoint, m_yEndPoint);
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break;
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case CLICK:
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backcolor.setAlphaF(0.15);
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p.setPen(backcolor);
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p.drawLine(0, 0, m_xEndPoint, m_yEndPoint);
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break;
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default:
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break;
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}
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QBrush brush = QBrush(backcolor);
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p.setBrush(brush);
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p.setRenderHint(QPainter::Antialiasing);
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p.drawRoundedRect(opt.rect, 0, 0);
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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}
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void ShowDesktop::enterEvent(QEvent *event)
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{
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m_state = HOVER;
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update();
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}
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void ShowDesktop::leaveEvent(QEvent *event)
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{
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m_state = NORMAL;
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update();
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}
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#undef DEFAULT_SHORTCUT
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