qt_demoe/control/devicesizetable/devicesizetable.cpp

292 lines
7.9 KiB
C++

#pragma execution_character_set("utf-8")
#include "devicesizetable.h"
#include "qprocess.h"
#include "qtablewidget.h"
#include "qheaderview.h"
#include "qfileinfo.h"
#include "qdir.h"
#include "qprogressbar.h"
#include "qtimer.h"
#include "qdebug.h"
#ifdef Q_OS_WIN
#include "windows.h"
#endif
#define GB (1024 * 1024 * 1024)
#define MB (1024 * 1024)
#define KB (1024)
DeviceSizeTable::DeviceSizeTable(QWidget *parent) : QTableWidget(parent)
{
bgColor = QColor(255, 255, 255);
chunkColor1 = QColor(100, 184, 255);
chunkColor2 = QColor(24, 189, 155);
chunkColor3 = QColor(255, 107, 107);
textColor1 = QColor(10, 10, 10);
textColor2 = QColor(255, 255, 255);
textColor3 = QColor(255, 255, 255);
process = new QProcess(this);
connect(process, SIGNAL(readyRead()), this, SLOT(readData()));
this->clear();
//设置列数和列宽
this->setColumnCount(5);
this->setColumnWidth(0, 100);
this->setColumnWidth(1, 120);
this->setColumnWidth(2, 120);
this->setColumnWidth(3, 120);
this->setColumnWidth(4, 120);
this->setStyleSheet("QTableWidget::item{padding:0px;}");
QStringList headText;
headText << "盘符" << "已用空间" << "可用空间" << "总大小" << "已用百分比" ;
this->setHorizontalHeaderLabels(headText);
this->setSelectionBehavior(QAbstractItemView::SelectRows);
this->setEditTriggers(QAbstractItemView::NoEditTriggers);
this->setSelectionMode(QAbstractItemView::SingleSelection);
this->verticalHeader()->setVisible(true);
this->horizontalHeader()->setStretchLastSection(true);
QMetaObject::invokeMethod(this, "load", Qt::QueuedConnection);
//QTimer::singleShot(10, this, SLOT(load()));
}
QColor DeviceSizeTable::getBgColor() const
{
return this->bgColor;
}
QColor DeviceSizeTable::getChunkColor1() const
{
return this->chunkColor1;
}
QColor DeviceSizeTable::getChunkColor2() const
{
return this->chunkColor2;
}
QColor DeviceSizeTable::getChunkColor3() const
{
return this->chunkColor3;
}
QColor DeviceSizeTable::getTextColor1() const
{
return this->textColor1;
}
QColor DeviceSizeTable::getTextColor2() const
{
return this->textColor2;
}
QColor DeviceSizeTable::getTextColor3() const
{
return this->textColor3;
}
void DeviceSizeTable::load()
{
//清空原有数据
int row = this->rowCount();
for (int i = 0; i < row; i++) {
this->removeRow(0);
}
#ifdef Q_OS_WIN
QFileInfoList list = QDir::drives();
foreach (QFileInfo dir, list) {
QString dirName = dir.absolutePath();
LPCWSTR lpcwstrDriver = (LPCWSTR)dirName.utf16();
ULARGE_INTEGER liFreeBytesAvailable, liTotalBytes, liTotalFreeBytes;
if (GetDiskFreeSpaceEx(lpcwstrDriver, &liFreeBytesAvailable, &liTotalBytes, &liTotalFreeBytes)) {
QString use = QString::number((double)(liTotalBytes.QuadPart - liTotalFreeBytes.QuadPart) / GB, 'f', 1);
use += "G";
QString free = QString::number((double) liTotalFreeBytes.QuadPart / GB, 'f', 1);
free += "G";
QString all = QString::number((double) liTotalBytes.QuadPart / GB, 'f', 1);
all += "G";
int percent = 100 - ((double)liTotalFreeBytes.QuadPart / liTotalBytes.QuadPart) * 100;
insertSize(dirName, use, free, all, percent);
}
}
#else
process->start("df -h");
#endif
}
void DeviceSizeTable::setBgColor(const QColor &bgColor)
{
if (this->bgColor != bgColor) {
this->bgColor = bgColor;
this->load();
}
}
void DeviceSizeTable::setChunkColor1(const QColor &chunkColor1)
{
if (this->chunkColor1 != chunkColor1) {
this->chunkColor1 = chunkColor1;
this->load();
}
}
void DeviceSizeTable::setChunkColor2(const QColor &chunkColor2)
{
if (this->chunkColor2 != chunkColor2) {
this->chunkColor2 = chunkColor2;
this->load();
}
}
void DeviceSizeTable::setChunkColor3(const QColor &chunkColor3)
{
if (this->chunkColor3 != chunkColor3) {
this->chunkColor3 = chunkColor3;
this->load();
}
}
void DeviceSizeTable::setTextColor1(const QColor &textColor1)
{
if (this->textColor1 != textColor1) {
this->textColor1 = textColor1;
this->load();
}
}
void DeviceSizeTable::setTextColor2(const QColor &textColor2)
{
if (this->textColor2 != textColor2) {
this->textColor2 = textColor2;
this->load();
}
}
void DeviceSizeTable::setTextColor3(const QColor &textColor3)
{
if (this->textColor3 != textColor3) {
this->textColor3 = textColor3;
this->load();
}
}
void DeviceSizeTable::readData()
{
while (!process->atEnd()) {
QString result = QLatin1String(process->readLine());
#ifdef __arm__
if (result.startsWith("/dev/root")) {
checkSize(result, "本地存储");
} else if (result.startsWith("/dev/mmcblk")) {
checkSize(result, "本地存储");
} else if (result.startsWith("/dev/mmcblk1p")) {
checkSize(result, "SD卡");
QStringList list = result.split(" ");
emit sdcardReceive(list.at(0));
} else if (result.startsWith("/dev/sd")) {
checkSize(result, "U盘");
QStringList list = result.split(" ");
emit udiskReceive(list.at(0));
}
#else
if (result.startsWith("/dev/sd")) {
checkSize(result, "");
QStringList list = result.split(" ");
emit udiskReceive(list.at(0));
}
#endif
}
}
void DeviceSizeTable::checkSize(const QString &result, const QString &name)
{
QString dev, use, free, all;
int percent = 0;
QStringList list = result.split(" ");
int index = 0;
for (int i = 0; i < list.count(); i++) {
QString s = list.at(i).trimmed();
if (s == "") {
continue;
}
index++;
if (index == 1) {
dev = s;
} else if (index == 2) {
all = s;
} else if (index == 3) {
use = s;
} else if (index == 4) {
free = s;
} else if (index == 5) {
percent = s.left(s.length() - 1).toInt();
break;
}
}
if (name.length() > 0) {
dev = name;
}
insertSize(dev, use, free, all, percent);
}
void DeviceSizeTable::insertSize(const QString &name, const QString &use, const QString &free, const QString &all, int percent)
{
int row = this->rowCount();
this->insertRow(row);
QTableWidgetItem *itemname = new QTableWidgetItem(name);
QTableWidgetItem *itemuse = new QTableWidgetItem(use);
itemuse->setTextAlignment(Qt::AlignCenter);
QTableWidgetItem *itemfree = new QTableWidgetItem(free);
itemfree->setTextAlignment(Qt::AlignCenter);
QTableWidgetItem *itemall = new QTableWidgetItem(all);
itemall->setTextAlignment(Qt::AlignCenter);
this->setItem(row, 0, itemname);
this->setItem(row, 1, itemuse);
this->setItem(row, 2, itemfree);
this->setItem(row, 3, itemall);
QProgressBar *bar = new QProgressBar;
bar->setRange(0, 100);
bar->setValue(percent);
QString qss = QString("QProgressBar{background:%1;border-width:0px;border-radius:0px;text-align:center;}"
"QProgressBar::chunk{border-radius:0px;}").arg(bgColor.name());
if (percent < 50) {
qss += QString("QProgressBar{color:%1;}QProgressBar::chunk{background:%2;}").arg(textColor1.name()).arg(chunkColor1.name());
} else if (percent < 90) {
qss += QString("QProgressBar{color:%1;}QProgressBar::chunk{background:%2;}").arg(textColor2.name()).arg(chunkColor2.name());
} else {
qss += QString("QProgressBar{color:%1;}QProgressBar::chunk{background:%2;}").arg(textColor3.name()).arg(chunkColor3.name());
}
bar->setStyleSheet(qss);
this->setCellWidget(row, 4, bar);
}
QSize DeviceSizeTable::sizeHint() const
{
return QSize(500, 300);
}
QSize DeviceSizeTable::minimumSizeHint() const
{
return QSize(200, 150);
}