找合伙人做网站,如何做医疗网站的专题页,不关闭网站备案,网站建设对企业的重要性1. 概述 做界面开发的童鞋可能都会遇到这样的需求#xff0c;就是有一些界面点击了之后比较耗时的操作#xff0c;需要界面给出一个环形进度条的进度反馈信息. 如何来实现这样的需求呢#xff0c;话不多说#xff0c;上效果 透明进度条 2. 代码实现 waitfeedbackprogressba…1. 概述 做界面开发的童鞋可能都会遇到这样的需求就是有一些界面点击了之后比较耗时的操作需要界面给出一个环形进度条的进度反馈信息. 如何来实现这样的需求呢话不多说上效果 透明进度条 2. 代码实现 waitfeedbackprogressbar.h
#ifndef WAITFEEDBACKPROGRESSBAR_H
#define WAITFEEDBACKPROGRESSBAR_H#include QWidget
#include QTimer
#include customcomponent_global.hclass CUSTOMCOMPONENT_EXPORT WaitFeedbackProgressBar : public QWidget
{Q_OBJECT
public:WaitFeedbackProgressBar(QWidget *parent nullptr);~WaitFeedbackProgressBar();void start();void stop();protected:void paintEvent(QPaintEvent *event);private slots:void updaterRotation();private:QTimer *m_timer nullptr;int m_rotation 0;
};#endif // WAITFEEDBACKPROGRESSBAR_H
waitfeedbackprogressbar.cpp
#include waitfeedbackprogressbar.h#include QPainter
#include QPainterPathWaitFeedbackProgressBar::WaitFeedbackProgressBar(QWidget *parent): QWidget(parent)
{m_timer new QTimer;connect(m_timer, QTimer::timeout,this, WaitFeedbackProgressBar::updaterRotation);
}WaitFeedbackProgressBar::~WaitFeedbackProgressBar()
{if (m_timer ! nullptr) {disconnect(m_timer, QTimer::timeout,this, WaitFeedbackProgressBar::updaterRotation);delete m_timer;m_timer nullptr;}
}void WaitFeedbackProgressBar::start()
{if (m_timer nullptr) {return;}m_timer-start(3);
}void WaitFeedbackProgressBar::stop()
{if (m_timer nullptr) {return;}m_timer-stop();
}void WaitFeedbackProgressBar::updaterRotation()
{m_rotation;if(m_rotation 360){m_rotation 0;}update();
}void WaitFeedbackProgressBar::paintEvent(QPaintEvent *event)
{int width this-width();int height this-height();int side qMin(width, height);QPainter painter(this);painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);painter.translate(width / 2, height / 2);painter.scale(side / 200.0, side / 200.0);QConicalGradient gra(QPoint(0,0),0);gra.setColorAt(0, QColor(#3BB6FE));gra.setColorAt(1, QColor(#FFFFFF));QBrush brush(gra);int radis 40;int sider 5;QRect rect(-radis, -radis, radis * 2, radis * 2);QPainterPath path;path.arcTo(rect, 0, 270);QPainterPath subPath;subPath.addEllipse(rect.adjusted(sider, sider, -sider, -sider));path path - subPath;painter.setBrush(brush);painter.setPen(Qt::NoPen);painter.rotate(m_rotation);painter.drawPath(path);
}
waitfeedbackdialog.h
#ifndef WAITFEEDBACKDIALOG_H
#define WAITFEEDBACKDIALOG_H#include QDialog
#include dialog_global.hnamespace Ui {
class WaitFeedbackDialog;
}class DIALOG_EXPORT WaitFeedbackDialog : public QDialog
{Q_OBJECT
public:explicit WaitFeedbackDialog(QWidget *parent nullptr);void start();void stop();signals:private:Ui::WaitFeedbackDialog *ui;
};#endif // WAITFEEDBACKDIALOG_H
waitfeedbackdialog.cpp
#include waitfeedbackdialog.h
#include ui_waitfeedbackdialog.hWaitFeedbackDialog::WaitFeedbackDialog(QWidget *parent) :QDialog(parent),ui(new Ui::WaitFeedbackDialog)
{ui-setupUi(this);setWindowFlags(Qt::FramelessWindowHint | windowFlags());setAttribute(Qt::WA_TranslucentBackground, true);
}void WaitFeedbackDialog::start()
{ui-wgt_feedbackprogress-start();
}void WaitFeedbackDialog::stop()
{ui-wgt_feedbackprogress-stop();
}
waitfeedbackdialog.ui
