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192 lines (172 loc) · 5.47 KB
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "systeminfo.h"
#include "proc.h"
#include "resourceinfo.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
timerId=startTimer(1000);
X=QVector<double>(60);
cpuY=QVector<double>(60,0);
memY=QVector<double>(60,0);
for(int i=0;i<60;i++){
X[i]=i;
}
initial();
}
MainWindow::~MainWindow()
{
if(timerId!=0){
killTimer(timerId);
}
delete ui;
}
/**
* @brief MainWindow::initial
* 界面初始化
*/
void MainWindow::initial(){
// mainwindow
this->setWindowIcon(QIcon(":/icon"));
this->setWindowTitle("系统监视器");
ui->tabWidget->setCurrentIndex(0);
// about
// proc
procModel=new QStandardItemModel();
ui->tv_PROC->setModel(procModel);
procModel->setHorizontalHeaderItem(0,new QStandardItem(QObject::tr("进程名")));
procModel->setHorizontalHeaderItem(1,new QStandardItem(QObject::tr("ID")));
procModel->setHorizontalHeaderItem(2,new QStandardItem(QObject::tr("状态")));
procModel->setHorizontalHeaderItem(3,new QStandardItem(QObject::tr("内存")));
procModel->setHorizontalHeaderItem(4,new QStandardItem(QObject::tr("优先级")));
//mem
ui->cp_CPU->xAxis->setRange(0,60);
ui->cp_CPU->yAxis->setRange(0,100);
ui->cp_CPU->addGraph();
ui->cp_MEM->xAxis->setRange(0,60);
ui->cp_MEM->yAxis->setRange(0,100);
ui->cp_MEM->addGraph();
updateSysInfo();
updateProcInfo();
updateMemInfo();
connect(ui->bt_PROC_refresh,SIGNAL(clicked(bool)),this,SLOT(updateProcInfo()));
connect(ui->bt_PROC_kill,SIGNAL(clicked(bool)),this,SLOT(onBtProcKillCliked()));
qDebug()<<"Start Success.";
}
void MainWindow::updateMemInfo(){
ResourceInfo resourceInfo;
resourceInfo.refresh();
double rate=((double)resourceInfo.getCPURate())/10;
ui->lb_CPU_rate->setText(QString::number(rate,'g',2));
cpuY.pop_back();
cpuY.prepend(rate);
rate=((double)resourceInfo.getMemRate())/10;
ui->lb_MEM_rate->setText(QString::number(rate,'g',2));
memY.pop_back();
memY.prepend(rate);
ui->cp_CPU->graph(0)->setData(X,cpuY);
ui->cp_CPU->replot();
ui->cp_MEM->graph(0)->setData(X,memY);
ui->cp_MEM->replot();
ui->pb_SWT->setValue(resourceInfo.getSwapRate()/10);
ui->lb_MEM_sum->setText(QString::number(resourceInfo.getMemAll()));
ui->lb_MEM_used->setText(QString::number(resourceInfo.getMemUsed()));
ui->lb_MEM_unused->setText(QString::number(resourceInfo.getMemun()));
ui->lb_MEM_buf->setText(QString::number(resourceInfo.getBuffer()));
ui->lb_MEM_cached->setText(QString::number(resourceInfo.getCached()));
ui->lb_SWT_sum->setText(QString::number(resourceInfo.getSwapAll()));
ui->lb_SWT_unused->setText(QString::number(resourceInfo.getSwapUn()));
ui->lb_SWT_used->setText(QString::number(resourceInfo.getSwapUsed()));
}
/**
* @brief MainWindow::updateProcInfo
* 更新进程界面
*/
void MainWindow::updateProcInfo(){
Proc proc;
QStandardItem *item= procModel->item(ui->tv_PROC->currentIndex().row(),1);
if(item)
selectedPid=item->data(Qt::DisplayRole).toString();
else
selectedPid="";
proc.freshModel(procModel);
boundTable(selectedPid);
int sumProc=proc.getSumProc();
int runProc=proc.getRunProc();
ui->lb_PROC_sum->setText(QString::number(sumProc));
ui->lb_PROC_act->setText(QString::number(runProc));
}
/**
* @brief MainWindow::updateSysInfo
* 更新系统信息界面
*/
void MainWindow::updateSysInfo(){
SystemInfo sysInfo;
QVector<QString> vcCPU=sysInfo.getCPUInfo();
QVector<QString> vcVersion=sysInfo.getVersionInfo();
ui->lb_CPU_model->setText(vcCPU.at(0));
ui->lb_CPU_num->setText(vcCPU.at(1));
ui->lb_CPU_freq->setText(vcCPU.at(2));
ui->lb_CPU_buf->setText(vcCPU.at(3));
ui->lb_V_kernel->setText(vcVersion.at(0));
ui->lb_V_complier->setText(vcVersion.at(1));
QFile file("/proc/cpuinfo");
if(file.open(QIODevice::ReadOnly)){
QTextStream in(&file);
ui->tb_detail->setPlainText(in.readAll());
}
file.close();
}
/**
* @brief MainWindow::timerEvent
* @param event
* 每秒更新一次进程画面
*/
void MainWindow::timerEvent( QTimerEvent *event ){
if(ui->tabWidget->currentIndex()==1){
updateProcInfo();
}
if(ui->tabWidget->currentIndex()==2){
updateMemInfo();
}
}
/**
* @brief MainWindow::onBtProcKillCliked
* 点击按钮,杀死进程
*/
void MainWindow::onBtProcKillCliked(){
QMessageBox box;
if(selectedPid!=""){
box.setWindowTitle("删除进程");
box.setText("是否删除进程"+selectedPid.toLatin1()+"?");
box.setStandardButtons(QMessageBox::Yes|QMessageBox::No);
if(box.exec()==QMessageBox::Yes){
int res=system("kill "+selectedPid.toLatin1());
if(res<0){
ui->statusBar->showMessage("杀死进程失败.",3000);
}else{
ui->statusBar->showMessage("进程"+selectedPid.toLatin1()+"已被终止.",3000);
}
}
}else{
ui->statusBar->showMessage("未选中任何进程.",3000);
}
}
/**
* @brief MainWindow::boundTable
* @param item
* @return
*
* 绑定选中行
*/
bool MainWindow::boundTable(QString item){
QList<QStandardItem*> list= procModel->findItems(item,Qt::MatchExactly,1);
if(list.isEmpty()){
return false;
}
ui->tv_PROC->selectRow(list.at(0)->row());
return true;
}