SystemTrayItem.rar_QQ空间_Qt 绘图_qt在线

#include "widget.h" #include<QPixmap> Widget::Widget(QWidget *parent) : QWidget(parent) { i=0; ii=0; flag=0; sysIcon=new QSystemTrayIcon(this); sysIcon->setIcon(QIcon(":/QQ.jpg")); sysIcon->show(); connect(sysIcon,SIGNAL(activated(QSystemTrayIcon::ActivationReason)),this,SLOT(handle(QSystemTrayIcon::ActivationReason))); QTimer*timer1=new QTimer(this); timer1->start(500); connect(timer1,SIGNAL(timeout()),this,SLOT(flash())); timer2=new QTimer(this); connect(timer2,SIGNAL(timeout()),this,SLOT(ShowPicture())); } Widget::~Widget() { } // QQ图标闪动实现 void Widget::flash() { switch(flag) { case 0: { sysIcon->setIcon(QIcon(":/QQ.jpg")); //加载QQ图标 flag =1; break; } case 1:{ sysIcon->setIcon(QIcon(":/123.jpg"));// 123.jpg不存在 相当于加载系统背景 flag=0; break; } } } //处理系统托盘图标点击事件 void Widget::handle(QSystemTrayIcon::ActivationReason reason) { switch(reason) { case QSystemTrayIcon::Trigger: //若触发图标单击事件，启动定时器timer2，设定100ms启动一次 timer2->start(100); } } // 显示图片，当图片满屏，立即清除窗口，重绘图片 void Widget::ShowPicture() { label=new QLabel; //装载图片的标签 label->setWindowFlags(Qt::FramelessWindowHint|Qt::SubWindow);//剔除label边框 label->setAttribute(Qt::WA_DeleteOnClose); list.append(label);//将标签依此加入QList容器 QPixmap pix(":/QQ.jpg");//显示图片控件 label->setPixmap(pix);//将此控件添加到label中显示 label->resize(pix.rect().width(),pix.rect().height());//获取pix的宽和高作为label的宽和高 label->setGeometry(0+i*label->width(),0+ii*label->height(),label->width(),label->height()); i++; if(i*label->width()>QApplication::desktop()->screenGeometry().width()) //获取桌面宽度和高度 { if((ii+1)*label->height()>QApplication::desktop()->screenGeometry().height()) { for(int count=0;count<list.size()-1;count++) { list[count]->close(); } list.clear(); list.append(label); ii=-1; } i=0; ii++; } label->show(); }