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quarkai/plugins/systemmonitor/monitortitlewidget.cpp

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/*
* Copyright (C) 2013 ~ 2018 National University of Defense Technology(NUDT) & Tianjin Kylin Ltd.
*
* Authors:
* Kobe Lee xiangli@ubuntukylin.com/kobe24_lixiang@126.com
*
* 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; version 3.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "monitortitlewidget.h"
#include "../widgets/mytristatebutton.h"
#include "../widgets/myunderlinebutton.h"
#include "../widgets/mysearchedit.h"
#include "util.h"
#include <QApplication>
#include <QDebug>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QPainter>
#include <QResizeEvent>
#include <QStyleFactory>
MonitorTitleWidget::MonitorTitleWidget(QSettings *settings, QWidget *parent)
:QFrame(parent)
,proSettings(settings)
{
this->setWindowFlags(Qt::FramelessWindowHint);//this->setWindowFlags(this->windowFlags() | Qt::FramelessWindowHint | Qt::WindowCloseButtonHint);
// this->setWindowFlags(Qt::Window | Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);//Attention: Qt::WindowCloseButtonHint make showMinimized() valid
installEventFilter(this);
setMouseTracking(true);
setFixedHeight(MONITOR_TITLE_WIDGET_HEIGHT);
this->setAutoFillBackground(true);
// this->setAttribute(Qt::WA_TranslucentBackground);
QPalette palette;
palette.setColor(QPalette::Background, QColor("#0d87ca"));
this->setPalette(palette);
// this->setStyleSheet("QFrame{background:transparent;background-color:#0d87ca;border-radius:5px;border:1px solid red;}");
// this->setStyleSheet("QFrame {padding: 5px 0;} QFrame:hover {background-color: rgba(255, 245, 250, 0.1);border-radius: 5px;}");
m_searchTimer = new QTimer(this);
m_searchTimer->setSingleShot(true);
connect(m_searchTimer, SIGNAL(timeout()), this, SLOT(onRefreshSearchResult()));
initWidgets();
}
MonitorTitleWidget::~MonitorTitleWidget()
{
delete emptyLabel;
delete m_searchEdit;
delete m_cancelSearchBtn;
if (m_searchTimer) {
disconnect(m_searchTimer, SIGNAL(timeout()), this, SLOT(onRefreshSearchResult()));
if(m_searchTimer->isActive()) {
m_searchTimer->stop();
}
delete m_searchTimer;
m_searchTimer = nullptr;
}
//Segmentation fault
QLayoutItem *child;
while ((child = m_titleLeftLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_titleMiddleLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_titleRightLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_toolLeftLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_toolRightLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_topLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
while ((child = m_bottomLayout->takeAt(0)) != 0) {
if (child->widget())
child->widget()->deleteLater();
delete child;
}
delete m_layout;
}
bool MonitorTitleWidget::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
if (obj == this) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
if (keyEvent->key() == Qt::Key_Escape) {
m_searchEdit->clearEdit();
emit canelSearchEditFocus();
}
}
else if (obj == m_searchEdit->getLineEdit()) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
if (keyEvent->key() == Qt::Key_Tab) {
emit canelSearchEditFocus();
}
}
}
return QFrame::eventFilter(obj, event);
}
void MonitorTitleWidget::setSearchEditFocus()
{
if (m_searchEdit->searchedText() != "") {
m_searchEdit->getLineEdit()->setFocus();
} else {
m_searchEdit->setFocus();
}
}
void MonitorTitleWidget::onRefreshSearchResult()
{
if (m_searchEdit->searchedText() == searchTextCache) {
emit this->searchSignal(searchTextCache);
}
}
void MonitorTitleWidget::handleSearchTextChanged()
{
searchTextCache = m_searchEdit->searchedText();
this->m_cancelSearchBtn->setVisible(!searchTextCache.isEmpty());
if (m_searchTimer->isActive()) {
m_searchTimer->stop();
}
m_searchTimer->start(300);
}
void MonitorTitleWidget::onCancelSearchBtnClicked(bool b)
{
this->m_cancelSearchBtn->setVisible(false);
m_searchEdit->clearAndFocusEdit();
emit canelSearchEditFocus();
}
void MonitorTitleWidget::mouseDoubleClickEvent(QMouseEvent *e)
{
if (e->button() == Qt::LeftButton) {
if (window()->isMaximized())
window()->showNormal();
else if (! window()->isFullScreen())
window()->showMaximized();
}
QFrame::mouseDoubleClickEvent(e);
}
/*void MonitorTitleWidget::paintEvent(QPaintEvent *event)
{
// QFrame::paintEvent(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing, true);
//draw background
QPainterPath path;
path.addRect(QRectF(0, 0, width(), height()));
painter.setOpacity(1);
painter.fillPath(path, QColor("#0d87ca"));
//draw line
// const QColor color(QColor(255, 255, 255, 127));
// int borderHeight = 1;
// QPainterPath path;
// path.moveTo(QPointF(x(), y() + borderHeight - 0.5));
// path.lineTo(QPointF(x() + width(), y() + borderHeight - 0.5));
// painter.setPen(QPen(color));
// painter.drawPath(path);
//绘制圆角矩形
// painter.setPen(QPen(QColor("#e9eef0"), 0));//边框颜色
// painter.setBrush(QColor("#0d87ca"));//背景色
// painter.setOpacity(1);
// QRectF r(1, 1, width() - 2, height() - 2);//左边 上边 右边 下边
// painter.drawRoundedRect(r, 5, 5);
QFrame::paintEvent(event);
}*/
void MonitorTitleWidget::initTitlebarLeftContent()
{
QWidget *w = new QWidget;
m_titleLeftLayout = new QHBoxLayout(w);
m_titleLeftLayout->setContentsMargins(6, 0, 0, 0);
m_titleLeftLayout->setSpacing(0);
emptyLabel = new QLabel;
emptyLabel->setStyleSheet("QLabel{background-color:transparent;}");
m_titleLeftLayout->addWidget(emptyLabel);
m_topLayout->addWidget(w, 1, Qt::AlignLeft);
}
void MonitorTitleWidget::initTitlebarMiddleContent()
{
QWidget *w = new QWidget;
m_titleMiddleLayout = new QHBoxLayout(w);
m_titleMiddleLayout->setContentsMargins(0, 0, 0, 0);
QLabel *titleLabel = new QLabel;
titleLabel->setStyleSheet("QLabel{background-color:transparent;color:#ffffff; font-size:12px;}");
titleLabel->setText(tr("Kylin System Monitor"));
m_titleMiddleLayout->addWidget(titleLabel);
m_topLayout->addWidget(w);
}
void MonitorTitleWidget::initTitlebarRightContent()
{
QWidget *w = new QWidget;
m_titleRightLayout = new QHBoxLayout(w);
m_titleRightLayout->setContentsMargins(0, 0, 1, 0);
m_titleRightLayout->setSpacing(0);
m_topLayout->addWidget(w, 1, Qt::AlignRight);
MyTristateButton *minBtn = new MyTristateButton;
minBtn->setObjectName("MinButton");
connect(minBtn, &MyTristateButton::clicked, this, [=] {
if (parentWidget() && parentWidget()->parentWidget()) {
parentWidget()->parentWidget()->showMinimized();
}
});
MyTristateButton *maxBtn = new MyTristateButton;
maxBtn->setObjectName("MaxButton");
connect(maxBtn, &MyTristateButton::clicked, this, [=] {
if (window()->isMaximized()) {
window()->showNormal();
maxBtn->setObjectName("MaxButton");
}
else {
window()->showMaximized();
maxBtn->setObjectName("UnMaxButton");
}
});
connect(this, &MonitorTitleWidget::updateMaxBtn, this, [=]{
if (window()->isMaximized()) {
maxBtn->setObjectName("UnMaxButton");
} else {
maxBtn->setObjectName("MaxButton");
}
});
MyTristateButton *closeBtn = new MyTristateButton;
closeBtn->setObjectName("CloseButton");
connect(closeBtn, &MyTristateButton::clicked, this, [=] {
window()->close();
});
m_titleRightLayout->addWidget(minBtn);
m_titleRightLayout->addWidget(maxBtn);
m_titleRightLayout->addWidget(closeBtn);
}
void MonitorTitleWidget::initToolbarLeftContent()
{
QWidget *w = new QWidget;
w->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
m_toolLeftLayout = new QHBoxLayout(w);
m_toolLeftLayout->setContentsMargins(0, 0, 0, 0);
m_toolLeftLayout->setSpacing(10);
MyUnderLineButton *processButton = new MyUnderLineButton();
processButton->setName(tr("Processes"));
processButton->setChecked(true);
MyUnderLineButton *resourcesButton = new MyUnderLineButton();
resourcesButton->setName(tr("Resources"));
resourcesButton->setChecked(false);
MyUnderLineButton *disksButton = new MyUnderLineButton();
disksButton->setName(tr("File Systems"));
disksButton->setChecked(false);
connect(processButton, &MyUnderLineButton::clicked, this, [=] {
emit this->changePage(0);
processButton->setChecked(true);
resourcesButton->setChecked(false);
disksButton->setChecked(false);
if (!m_searchEdit->isVisible())
m_searchEdit->setVisible(true);
});
connect(resourcesButton, &MyUnderLineButton::clicked, this, [=] {
emit this->changePage(1);
processButton->setChecked(false);
resourcesButton->setChecked(true);
disksButton->setChecked(false);
if (m_searchEdit->isVisible())
m_searchEdit->setVisible(false);
m_searchEdit->clearEdit();
emit canelSearchEditFocus();
});
connect(disksButton, &MyUnderLineButton::clicked, this, [=] {
emit this->changePage(2);
processButton->setChecked(false);
resourcesButton->setChecked(false);
disksButton->setChecked(true);
if (m_searchEdit->isVisible())
m_searchEdit->setVisible(false);
m_searchEdit->clearEdit();
emit canelSearchEditFocus();
});
m_toolLeftLayout->addStretch();
m_toolLeftLayout->addWidget(processButton);
m_toolLeftLayout->addWidget(resourcesButton);
m_toolLeftLayout->addWidget(disksButton);
m_toolLeftLayout->addStretch();
// m_bottomLayout->addWidget(w);
m_bottomLayout->addWidget(w, 1, Qt::AlignLeft);
}
void MonitorTitleWidget::initToolbarRightContent()
{
QWidget *w = new QWidget;
m_toolRightLayout = new QHBoxLayout(w);
m_toolRightLayout->setContentsMargins(0, 3, 6, 10);
m_toolRightLayout->setSpacing(5);
m_cancelSearchBtn = new QPushButton;
m_cancelSearchBtn->setStyleSheet("QPushButton{background-color:transparent;text-align:center;font-family: 方正黑体_GBK;font-size:11px;color:#ffffff;}QPushButton:hover{color:#000000;}");
m_cancelSearchBtn->setText(tr("Cancel"));
m_cancelSearchBtn->setFocusPolicy(Qt::NoFocus);
m_cancelSearchBtn->setFixedSize(46, 25);
m_cancelSearchBtn->setVisible(false);
connect(m_cancelSearchBtn, SIGNAL(clicked(bool)), SLOT(onCancelSearchBtnClicked(bool)));
connect(m_searchEdit, &MySearchEdit::textChanged, this, &MonitorTitleWidget::handleSearchTextChanged, Qt::QueuedConnection);
m_toolRightLayout->addWidget(m_searchEdit);
m_toolRightLayout->addWidget(m_cancelSearchBtn);
m_bottomLayout->addWidget(w, 1, Qt::AlignRight);
}
void MonitorTitleWidget::initWidgets()
{
m_searchEdit = new MySearchEdit();
m_searchEdit->setPlaceHolder(tr("Enter the relevant info of process"));
m_searchEdit->setFixedSize(222, 30);
m_searchEdit->getLineEdit()->installEventFilter(this);
m_layout = new QVBoxLayout(this);
m_layout->setContentsMargins(0, 0, 0, 0);
m_layout->setSpacing(0);
QWidget *topWidget = new QWidget;
m_topLayout = new QHBoxLayout(topWidget);
m_topLayout->setContentsMargins(0, 0, 0, 0);
m_topLayout->setSpacing(0);
m_layout->addWidget(topWidget, 0, Qt::AlignTop);
QWidget *bottomWidget = new QWidget;
m_bottomLayout = new QHBoxLayout(bottomWidget);
m_bottomLayout->setContentsMargins(0, 0, 0, 0);
m_bottomLayout->setSpacing(0);
m_layout->addWidget(bottomWidget, 0, Qt::AlignBottom);
this->setLayout(m_layout);
initTitlebarLeftContent();
initTitlebarMiddleContent();
initTitlebarRightContent();
initToolbarLeftContent();
initToolbarRightContent();
}
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