151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*
|
|
* Copyright (C) 2019 Tianjin KYLIN Information Technology 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, 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 <http://www.gnu.org/licenses/>.
|
|
*
|
|
**/
|
|
|
|
#include <QMimeType>
|
|
#include <QSettings>
|
|
#include <QPainterPath>
|
|
#include <QMimeDatabase>
|
|
#include <QPainter>
|
|
#include <QFileInfo>
|
|
#include <QFontMetrics>
|
|
#include <QDir>
|
|
#include <QTextStream>
|
|
#include <QtX11Extras/QX11Info>
|
|
#include <X11/XKBlib.h>
|
|
#include "commonfunc.h"
|
|
|
|
#define DRM_DIR "/sys/class/leds/"
|
|
|
|
/**
|
|
* @brief 判断大写键状态
|
|
* @return true: 大写锁定
|
|
*/
|
|
bool checkCapsLockState()
|
|
{
|
|
QDir ledDir(DRM_DIR);
|
|
QStringList leds = ledDir.entryList(QDir::Dirs);
|
|
QString capsFile;
|
|
|
|
for(int i = 0;i<leds.count();i++){
|
|
if(leds.at(i).contains("capslock"))
|
|
capsFile = leds.at(i);
|
|
}
|
|
QFile drmStatusFile(DRM_DIR + capsFile + "/brightness");
|
|
if(drmStatusFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
|
|
QTextStream in(&drmStatusFile);
|
|
QString status = in.readLine();
|
|
|
|
if(status == "0") {
|
|
return false;
|
|
}else{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool capsState = false;
|
|
unsigned int n;
|
|
XkbGetIndicatorState(QX11Info::display(), XkbUseCoreKbd, &n);
|
|
capsState = (n & 0x01) == 1;
|
|
|
|
return capsState;
|
|
}
|
|
|
|
bool ispicture(QString filepath)
|
|
{
|
|
QFileInfo file(filepath);
|
|
if(file.exists() == false)
|
|
return false;
|
|
|
|
QMimeDatabase db;
|
|
QMimeType mime = db.mimeTypeForFile(filepath);
|
|
return mime.name().startsWith("image/");
|
|
}
|
|
|
|
QString getSystemVersion()
|
|
{
|
|
QSettings settings("/etc/lsb-release", QSettings::IniFormat);
|
|
QString release = settings.value("DISTRIB_RELEASE").toString();
|
|
QString description = settings.value("DISTRIB_DESCRIPTION").toString();
|
|
if(description.right(3) == "LTS")
|
|
release = release + " LTS";
|
|
return release;
|
|
}
|
|
|
|
QString getSystemDistrib()
|
|
{
|
|
QSettings settings("/etc/lsb-release", QSettings::IniFormat);
|
|
QString distribId = settings.value("DISTRIB_ID").toString();
|
|
return distribId;
|
|
}
|
|
|
|
bool getUseFirstDevice()
|
|
{
|
|
QSettings settings("/etc/biometric-auth/ukui-biometric.conf", QSettings::IniFormat);
|
|
return settings.value("UseFirstDevice").toBool();
|
|
}
|
|
|
|
commonFunc::commonFunc()
|
|
{
|
|
|
|
}
|
|
|
|
QString ElideText(QFont font,int width,QString strInfo)
|
|
{
|
|
QFontMetrics fontMetrics(font);
|
|
//如果当前字体下，字符串长度大于指定宽度
|
|
if(fontMetrics.width(strInfo) > width)
|
|
{
|
|
strInfo= QFontMetrics(font).elidedText(strInfo, Qt::ElideRight, width);
|
|
}
|
|
return strInfo;
|
|
}
|
|
|
|
/*修改图片缩放机制，图片长宽不一致时，先取图片中央的部分*/
|
|
QPixmap scaledPixmap(QPixmap src)
|
|
{
|
|
QPixmap rectPixmap;
|
|
if (src.width() > src.height()) {
|
|
QPixmap iconPixmap = src.copy((src.width() - src.height())/2, 0, src.height(), src.height());
|
|
// 根据label高度等比例缩放图片
|
|
rectPixmap = iconPixmap.scaledToHeight(src.height());
|
|
} else {
|
|
QPixmap iconPixmap = src.copy(0, (src.height() - src.width())/2, src.width(), src.width());
|
|
// 根据label宽度等比例缩放图片
|
|
rectPixmap = iconPixmap.scaledToWidth(src.width());
|
|
}
|
|
return rectPixmap;
|
|
}
|
|
|
|
QPixmap PixmapToRound(const QPixmap &src, int radius)
|
|
{
|
|
if (src.isNull()) {
|
|
return QPixmap();
|
|
}
|
|
|
|
QPixmap pixmapa(src);
|
|
QPixmap pixmap(radius*2,radius*2);
|
|
pixmap.fill(Qt::transparent);
|
|
QPainter painter(&pixmap);
|
|
painter.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
|
|
QPainterPath path;
|
|
path.addEllipse(0, 0, radius*2, radius*2);
|
|
painter.setClipPath(path);
|
|
painter.drawPixmap(0, 0, radius*2, radius*2, pixmapa);
|
|
return pixmap;
|
|
}
|