QT界面旋转切换Widget

#include "widget.h" #include "ui_widget.h" #include <QFile> Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) , m_isRoratingWindow(false) { QFile file(":/myStyle.qss/style.qss"); file.open(QFile::ReadOnly); QString styleSheet = tr(file.readAll()); this->setStyleSheet(styleSheet); file.close(); ui->setupUi(this); // this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::WindowMinimizeButtonHint); // this->setAttribute(Qt::WA_TranslucentBackground);//这个参数目标是背景透明 // 给窗口设置rotateValue属性; this->setProperty("rotateValue", 0); initRotateWindow(); } Widget::~Widget() { delete ui; } // 初始化旋转的窗口; void Widget::initRotateWindow() { //m_loginWindow = new LoginWindow(this); connect(ui->pushButton1, SIGNAL(clicked(bool)), this, SLOT(onRotateWindow())); connect(ui->pushButton2, SIGNAL(clicked(bool)), this, SLOT(onRotateWindow())); //connect(m_loginWindow, SIGNAL(closeWindow()), this, SLOT(close())); //connect(m_loginWindow, SIGNAL(hideWindow()), this, SLOT(onHideWindow())); //m_loginNetSetWindow = new LoginNetSetWindow(this); //connect(m_loginNetSetWindow, SIGNAL(rotateWindow()), this, SLOT(onRotateWindow())); //connect(m_loginNetSetWindow, SIGNAL(closeWindow()), this, SLOT(close())); //connect(m_loginNetSetWindow, SIGNAL(hideWindow()), this, SLOT(onHideWindow())); //this->addWidget(m_loginWindow); //this->addWidget(m_loginNetSetWindow); // 这里宽和高都增加，是因为在旋转过程中窗口宽和高都会变化; this->setFixedSize(QSize(ui->page1->width() + 10, ui->page1->height() + 20)); } // 开始旋转窗口; void Widget::onRotateWindow() { // 如果窗口正在旋转，直接返回; if (m_isRoratingWindow) { return; } m_isRoratingWindow = true; m_nextPageIndex = (ui->stackedWidget->currentIndex() + 1) >= ui->stackedWidget->count() ? 0 : (ui->stackedWidget->currentIndex() + 1); QPropertyAnimation *rotateAnimation = new QPropertyAnimation(this, "rotateValue"); // 设置旋转持续时间; rotateAnimation->setDuration(1200); // 设置旋转角度变化趋势; rotateAnimation->setEasingCurve(QEasingCurve::InCubic); // 设置旋转角度范围; rotateAnimation->setStartValue(0); rotateAnimation->setEndValue(180); connect(rotateAnimation, SIGNAL(valueChanged(QVariant)), this, SLOT(repaint())); connect(rotateAnimation, SIGNAL(finished()), this, SLOT(onRotateFinished())); // 隐藏当前窗口，通过不同角度的绘制来达到旋转的效果,不过这里不太行; // ui->stackedWidget->hide(); rotateAnimation->start(); } // 旋转结束; void Widget::onRotateFinished() { m_isRoratingWindow = false; ui->stackedWidget->setCurrentWidget(ui->stackedWidget->widget(m_nextPageIndex));//widget函数返回标识是变量的控件 repaint(); } // 绘制旋转效果; void Widget::paintEvent(QPaintEvent* event) { if (m_isRoratingWindow) { // 小于90度时; int rotateValue = this->property("rotateValue").toInt(); if (rotateValue <= 90) { QPixmap rotatePixmap(ui->stackedWidget->currentWidget()->size()); ui->stackedWidget->currentWidget()->render(&rotatePixmap); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); QTransform transform; transform.translate(width() / 2, 0); transform.rotate(rotateValue, Qt::YAxis); painter.setTransform(transform); painter.drawPixmap(-1 * width() / 2, 0, rotatePixmap); if(rotateValue = 90) {ui->stackedWidget->currentWidget()->hide();} } // 大于90度时 else { QPixmap rotatePixmap(ui->stackedWidget->widget(m_nextPageIndex)->size()); ui->stackedWidget->widget(m_nextPageIndex)->render(&rotatePixmap); QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing); QTransform transform; transform.translate(width() / 2, 0); transform.rotate(rotateValue + 180, Qt::YAxis); painter.setTransform(transform); painter.drawPixmap(-1 * width() / 2, 0, rotatePixmap); } } else { return __super::paintEvent(event); } } void Widget::onHideWindow() { showMinimized(); } /* void Widget::on_pushButton1_clicked() { onRotateWindow(); } void Widget::on_pushButton2_clicked() { onRotateWindow(); } */