异形窗体.zip

#include "widget.h" #include "ui_widget.h" #include "qevent.h" #include "qdebug.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); this->setAttribute(Qt::WA_TranslucentBackground); this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinimizeButtonHint); ui->widget->installEventFilter(this); ui->widget->setStyleSheet(QString("background-image:url(:/image/%1.png);").arg(1)); } Widget::~Widget() { delete ui; } bool Widget::eventFilter(QObject *watched, QEvent *evt) { static int index = 1; static QPoint mousePoint; static bool mousePressed = false; QMouseEvent *event = static_cast<QMouseEvent *>(evt); if (event->type() == QEvent::MouseButtonPress) { if (event->button() == Qt::LeftButton) { mousePressed = true; mousePoint = event->globalPos() - this->pos(); if (index == 5) { index = 1; } else { index++; } ui->widget->setStyleSheet(QString("background-image:url(:/image/%1.png);").arg(index)); return true; } else { exit(0); } } else if (event->type() == QEvent::MouseButtonRelease) { mousePressed = false; return true; } else if (event->type() == QEvent::MouseMove) { if (mousePressed && (event->buttons() && Qt::LeftButton)) { this->move(event->globalPos() - mousePoint); return true; } } return QWidget::eventFilter(watched, event); }