基于QT的仿QQ登录界面

#include "logindialog.h" #include "ui_logindialog.h" #include <QPainter> #include <QHBoxLayout> #include <QPoint> #include <QPixmap> #include <QMenu> #include <QIcon> #include <QToolButton> LoginDialog::LoginDialog(QWidget *parent) : QWidget(parent), ui(new Ui::LoginDialog) { ui->setupUi(this); //加载样式文件 qssFile = new QFile(":/default.qss"); qssFile->open(QFile::ReadOnly); QString styleSheet = QString(qssFile->readAll()); qApp->setStyleSheet(styleSheet); qssFile->close(); ui->loginPushButton->setText(tr("Login")); ui->rememberCheckBox->setText(tr("RememberPassword")); ui->autoCheckBox->setText(tr("AutomaticLogon")); ui->registerPushButton->setText(tr("Register")); ui->forgotPushButton->setText(tr("ForgotPassword")); ui->btnSetPushButton->setToolTip(tr("Setting")); ui->btnMinPushButton->setToolTip(tr("Minimize")); ui->btnClosePushButton->setToolTip(tr("Close")); ui->passwordLineEdit->setPlaceholderText(tr("Password")); ui->comboBox->setCurrentText(tr("QQ/Telephone/Email")); ui->userIcon->setPixmap(QPixmap(":/images/userIcon.jpg")); ui->statusPushButton->setToolTip(tr("LoginingStatus")); QHBoxLayout *hLayout = new QHBoxLayout; hLayout->addWidget(ui->btnSetPushButton); hLayout->addWidget(ui->btnMinPushButton); hLayout->addWidget(ui->btnClosePushButton); hLayout->setContentsMargins(0,0,0,0); setFixedSize(430,330); setWindowFlags(Qt::FramelessWindowHint| Qt::WindowMinimizeButtonHint); setMouseTracking(true); connect(ui->statusPushButton,&QPushButton::clicked,this,&LoginDialog::statusBtnClicked); connect(ui->btnClosePushButton,&QPushButton::clicked,this,&QWidget::close); connect(ui->btnMinPushButton,&QPushButton::clicked,this,&QWidget::showMinimized); connect(ui->btnSetPushButton,&QPushButton::clicked,this,&LoginDialog::changeSkin); } LoginDialog::~LoginDialog() { delete ui; } void LoginDialog::initStatusButtons(QMenu *menu) { QAction *statusAction = menu->addAction(initStatusIcon(online),tr("I am online"),this,SLOT(changedStatus())); statusAction->setData(online); statusAction = menu->addAction(initStatusIcon(qme),tr("Q me"),this,SLOT(changedStatus())); statusAction->setData(qme); menu->addSeparator(); statusAction = menu->addAction(initStatusIcon(away),tr("I am away"),this,SLOT(changedStatus())); statusAction->setData(away); statusAction = menu->addAction(initStatusIcon(busy),tr("I am busy"),this,SLOT(changedStatus())); statusAction->setData(busy); statusAction = menu->addAction(initStatusIcon(nodisturb),tr("No disturbing,thanks"),this,SLOT(changedStatus())); statusAction->setData(nodisturb); menu->addSeparator(); statusAction = menu->addAction(initStatusIcon(hide),tr("Hide"),this,SLOT(changedStatus())); statusAction->setData(hide); menu->exec(QCursor::pos()); } QIcon LoginDialog::initStatusIcon(int status) { QIcon icon; switch (status) { case away: icon = QIcon(":/images/status_away.png"); break; case qme: icon = QIcon(":/images/status_Qme.png"); break; case nodisturb: icon = QIcon(":/images/nodisturb.png"); break; case busy: icon = QIcon(":/images/status_busy.png"); break; case hide: icon = QIcon(":/images/status_hide.png"); break; default: icon = QIcon(":/images/status_online.png"); break; } return icon; } void LoginDialog::paintEvent(QPaintEvent *event) { QStyleOption opt; opt.init(this); QPainter p(this); style()->drawPrimitive(QStyle::PE_Widget,&opt,&p,this); } void LoginDialog::mousePressEvent(QMouseEvent *event) { if(event->buttons() && Qt::LeftButton){ offset = event->globalPos() - pos(); } } void LoginDialog::mouseMoveEvent(QMouseEvent *event) { if(event->buttons() & Qt::LeftButton){ QPoint point; point = event->globalPos()-offset; move(point); } } void LoginDialog::changedStatus() { QAction *action = (QAction*)sender(); int iconIdx =action->data().toInt(); ui->statusPushButton->setIcon(initStatusIcon(iconIdx)); } void LoginDialog::statusBtnClicked() { QMenu *statusMenu = new QMenu(this); initStatusButtons(statusMenu); statusMenu->setGeometry(70,75,20,20); } void LoginDialog::changeSkin() { QMenu *skinMenu = new QMenu(this); QAction *action = skinMenu->addAction(QIcon(":/images/default.png"),tr("Default"),this,SLOT(chooseSkin())); action->setData(0); action = skinMenu->addAction(QIcon(":/images/skin1.png"),tr("Fresh"),this,SLOT(chooseSkin())); action->setData(1); skinMenu->exec(QCursor::pos()); skinMenu->setGeometry(60,60,20,10); } void LoginDialog::chooseSkin() { QAction *a = (QAction*)sender(); if(a->data().toInt() == 0) { qssFile->setFileName(":/default.qss"); } else{ qssFile->setFileName(":/style1.qss"); } qssFile->open(QFile::ReadOnly); QString styleSheet = tr(qssFile->readAll()); qApp->setStyleSheet(styleSheet); qssFile->close(); }