本程序含有資源文件，和QSS，在此博文不在展示。

源碼下載地址：

https://download.csdn.net/download/qq78442761/10389816

程序運(yùn)行截圖如下：

本程序關(guān)鍵代碼如下：

widget.h

#ifndef WIDGET_H #define WIDGET_H#include <QWidget> #include <QPixmap> #include <QPoint> #include <QFile> #include <QTranslator>namespace Ui { class Widget; }class Widget : public QWidget {Q_OBJECTpublic:explicit Widget(QWidget *parent = 0);bool eventFilter(QObject *watched, QEvent *event);~Widget();public slots:void btnClicked();private:void paintEvent(QPaintEvent *event);void mouseMoveEvent(QMouseEvent *event);void mousePressEvent(QMouseEvent *event);void mouseReleaseEvent(QMouseEvent *event);private:Ui::Widget *ui;QPixmap *m_bgImage;QFile *m_file;bool m_dragging;QPoint m_startPosition;QPoint m_framePosition;bool currentSkin;QTranslator *m_translator;bool zh_CN; };#endif // WIDGET_H

widget.cpp

#include "widget.h" #include "ui_widget.h"#include <QPainter> #include <QColor> #include <QDebug> #include <QMouseEvent> #include <QFile>Widget::Widget(QWidget *parent) :QWidget(parent),zh_CN(false),ui(new Ui::Widget) {ui->setupUi(this);m_dragging=false;setWindowFlags(Qt::Window | Qt::FramelessWindowHint);setAttribute(Qt::WA_TranslucentBackground);m_bgImage=new QPixmap();m_bgImage->load(":/image/qq.bmp");currentSkin=false;ui->skinLabel->installEventFilter(this);m_file=new QFile(":/qq.qss",this);m_file->open(QFile::ReadOnly);QString styleSheet=QString(m_file->readAll());qApp->setStyleSheet(styleSheet);m_file->close();delete m_file;connect(ui->colseToolButton,SIGNAL(clicked(bool)),this,SLOT(close()));connect(ui->toolButton,SIGNAL(clicked(bool)),this,SLOT(btnClicked())); }void Widget::btnClicked(){m_translator=new QTranslator;if(!zh_CN){if(!m_translator->load(":/myI18N_zh_CN.qm")){qDebug()<<"加載失敗";return;}qApp->installTranslator(m_translator);ui->retranslateUi(this);}else{m_translator->load(":/myI18N_US.qm");qApp->installTranslator(m_translator);ui->retranslateUi(this);}zh_CN=!zh_CN;delete m_translator; }Widget::~Widget() {delete ui; }void Widget::paintEvent(QPaintEvent *event){Q_UNUSED(event)QPainter painter(this);QRect frameRect = rect();painter.drawPixmap(frameRect, *m_bgImage);this->update(); }void Widget::mousePressEvent(QMouseEvent *event){if(event->button()==Qt::LeftButton){m_dragging=true;m_startPosition=event->globalPos();m_framePosition=frameGeometry().topLeft();}QWidget::mousePressEvent(event); }void Widget::mouseMoveEvent(QMouseEvent *event){if(event->buttons()&Qt::LeftButton){if(m_dragging){QPoint delta=event->globalPos()-m_startPosition;move(m_framePosition+delta);}}QWidget::mouseMoveEvent(event); }void Widget::mouseReleaseEvent(QMouseEvent *event){m_dragging=false;QWidget::mouseReleaseEvent(event); }bool Widget::eventFilter(QObject *watched, QEvent *event){if(watched==ui->skinLabel){QMouseEvent *mouseEvent=static_cast<QMouseEvent*>(event);if(mouseEvent->button()==Qt::RightButton){currentSkin=!currentSkin;if(!currentSkin){delete m_bgImage;m_bgImage=new QPixmap();m_bgImage->load(":/image/qq.bmp");m_file=new QFile(":/qq.qss",this);m_file->open(QFile::ReadOnly);QString styleSheet=QString(m_file->readAll());qApp->setStyleSheet(styleSheet);m_file->close();delete m_file;}else{delete m_bgImage;m_bgImage=new QPixmap();m_bgImage->load(":/image/qq2.bmp");m_file=new QFile(":/qq2.qss",this);m_file->open(QFile::ReadOnly);QString styleSheet=QString(m_file->readAll());qApp->setStyleSheet(styleSheet);m_file->close();delete m_file;}}}return false; }

main.cpp

#include "widget.h" #include <QApplication>int main(int argc, char *argv[]) {QApplication a(argc, argv);Widget w;w.show();return a.exec(); }

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