#include "mainwindow.h"

#include "ui_mainwindow.h"

#include <QDesktopWidget>

#include <QFileDialog>

#include <QScreen>

#include <QDir>

#include <QClipboard>

#include <QDebug>

#include <QCursor>

#include <QProcess>

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent),

    ui(new Ui::MainWindow)

{

    ui->setupUi(this);

}

MainWindow::~MainWindow()

{

    delete ui;

}

void MainWindow::on_newPicButton_clicked()

{

    if (ui->radioButtonHide->isChecked()) {

        timer = new QTimer();

        //timer->setInterval(ui->spinBox->value()*1000);

        //this->hide();

        timer->start(/);

        //int id = startTimer(ui->spinBox->value()*1000);

        connect(this->timer,&QTimer::timeout,this,[=]{

            //QDesktopWidget w;

            m_pic = QPixmap::grabWindow(QApplication::desktop()->winId());

            // 保存到剪切版

            //QClipboard *clipboard = QGuiApplication::clipboard();

//            QString originalText = clipboard->text();

//            qDebug() << originalText;

            //clipboard->setPixmap(m_pic);

            QSize size = ui->labelShowPic->size();

            ui->labelShowPic->setPixmap(m_pic.scaled(size));

            //timer->stop();

            //this->show();

        });

    }

    else {

        qApp->beep();// 嘀嘀响

    }

}

void MainWindow::on_savePicButton_clicked()

{

    QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"),

                               QDir::currentPath(),

                               tr("Images (*.png *.xpm *.jpg)"));

    if (!fileName.isEmpty()) {

        m_pic.save(fileName);

    }

}

void MainWindow::on_exitButton_clicked()

{

    this->close();

}

void MainWindow::contextMenuEvent(QContextMenuEvent *e)

{

    QMenu *menu = new QMenu(this);

    QAction *action = new QAction(this);

    QAction *startNotePad = new QAction(this);

    connect(action,&QAction::triggered,this,&MainWindow::on_savePicButton_clicked);

    connect(startNotePad,&QAction::triggered,this,&MainWindow::startNotePad);

    action->setText("Save as");

    startNotePad->setText("startNotePad");

    menu->addAction(action);

    menu->addAction(startNotePad);

    menu->exec(QCursor::pos());

}

void MainWindow::startNotePad()

{

    QProcess *p = new QProcess();

    p->start("notepad.exe");

}

#ifndef MAINWINDOW_H

#define MAINWINDOW_H

#include <QMainWindow>

#include <QTimer>

#include <QPixmap>

#include <QContextMenuEvent>

#include <QMenu>

#include <QAction>

namespace Ui {

class MainWindow;

}

class MainWindow : public QMainWindow

{

    Q_OBJECT

public:

    explicit MainWindow(QWidget *parent = nullptr);

    ~MainWindow();

private slots:

    void on_newPicButton_clicked();

    void on_savePicButton_clicked();

    void on_exitButton_clicked();

    void contextMenuEvent(QContextMenuEvent *e);

    void startNotePad();

private:

    Ui::MainWindow *ui;

    QTimer *timer;

    QPixmap m_pic;

};

#endif // MAINWINDOW_H