基于Qt实现桌面宠物

a总体效果

主要功能 

部分代码

#pragma once

#include <QWidget>

#include <QPixmap>

#include<qlabel.h>

#include<QPushButton>

#include"desktopwidget.h"

class Widget : public QWidget

{

Q_OBJECT

public:

Widget(QWidget *parent = nullptr);

~Widget();

void updateRoleAnimation();

bool eventFilter(QObject* watched, QEvent* ev) override;

void initBtn();

private:

QLabel* roleLabel;

qint8 curFrame;

QPushButton* closeBtn;

QPushButton* cutBtn;

QPushButton* openBtn;

DesktopWidget* desktopWidget;

};

#pragma once

#include <QWidget>

#include<QLabel>

#include<QPixmap>

class DesktopWidget : public QWidget

{

Q_OBJECT

public:

DesktopWidget(QWidget *parent = nullptr);

~DesktopWidget();

void setAllWallpaper();

void setPixmap(const QString& fileNname);

private:

QLabel* bkLabel;

QPixmap bkPixmap;

};

#include "widget.h"

#include<QTimer>

#include<QGraphicsDropShadowEffect>

#include<QMouseEvent>

#include<QFileDialog>

Widget::Widget(QWidget *parent)

: QWidget(parent)

, roleLabel(new QLabel(this))

,curFrame(0)

, desktopWidget(new DesktopWidget)

{

setWindowFlags(Qt::WindowType::FramelessWindowHint);

setAttribute(Qt::WA_TranslucentBackground);

QTimer* updateTimer = new QTimer(this);

updateTimer->callOnTimeout(this, &Widget::updateRoleAnimation);

updateTimer->start(500);

QGraphicsDropShadowEffect* effect = new QGraphicsDropShadowEffect(this);

effect->setColor(QColor(230, 231, 232,220));

effect->setBlurRadius(5);

this->setGraphicsEffect(effect);

this->installEventFilter(this);

roleLabel->resize(500, 500);

desktopWidget->show();

initBtn();

}

Widget::~Widget()

{

}

void Widget::updateRoleAnimation()

{

QString qss("background-repeat:no-repeat;");

roleLabel->setStyleSheet(qss+QString("background-image:url(:/resource/desktopRole/summerGril/%1.png);").arg(curFrame));

curFrame = (curFrame + 1) % 6;

}

bool Widget::eventFilter(QObject* watched, QEvent* ev)

{

QMouseEvent* mouseev = static_cast<QMouseEvent*>(ev);

static QPoint begpos;

if (ev->type() == QEvent::MouseButtonPress)

{

begpos = mouseev->globalPos() - this->pos();

}

else if (ev->type() == QEvent::MouseMove &&

mouseev->buttons() & Qt::MouseButton::LeftButton)

{

this->move(mouseev->globalPos() - begpos);

}

return false;

}

void Widget::initBtn()

{

closeBtn= new QPushButton(this);

cutBtn= new QPushButton(this);

openBtn= new QPushButton(this);

closeBtn->setGeometry(300, 200, 32, 32);

cutBtn->setGeometry(300, 240, 32, 32);

openBtn->setGeometry(300, 280, 32, 32);

closeBtn->setObjectName("closeBtn");

closeBtn->setStyleSheet("background-image:url(:/resource/button/quit.png);}");

cutBtn->setStyleSheet("background-image:url(:/resource/button/cut.png);");

openBtn->setStyleSheet("background-image:url(:/resource/button/open.png);");

this->setStyleSheet("QPushButton{background-color:rgb(64,173,250);

border:none;border-radius:5px;}

QPushButton#closeBtn:hover{background-color:rgb(233,31,48);}");

connect(closeBtn, &QPushButton::pressed, this, &Widget::close);

connect(openBtn, &QPushButton::pressed, this, [=]()

{

QString filename = QFileDialog::getOpenFileName(nullptr, "选择壁纸", "./", "Image (*.jpg *.png)");

if (filename.isEmpty())

{

return;

}

desktopWidget->setPixmap(filename);

});

}

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