#include "MainWindow.h" #include "ui_MainWindow.h" #include #include #include #include MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow), progressBarDark(new ProgressBarDark) { ui->setupUi(this); ui->verticalLayout->addWidget(progressBarDark); connect(&treeTimer,&QTimer::timeout,this,&MainWindow::create); treeTimer.start(100); } MainWindow::~MainWindow() { delete ui; } void MainWindow::create() { int val=progressBarDark->value(); if(val>=100) val=0; else val++; progressBarDark->setValue(val); }