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mainwindow.cpp
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mainwindow.cpp
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#include "mainwindow.h"
#include "draglistwidget.h"
#include "droplistwidget.h"
#include <QtWidgets>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setupUI();
setAcceptDrops(true);
}
void MainWindow::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat("text/uri-list"))
event->acceptProposedAction();
}
void MainWindow::dropEvent(QDropEvent *event)
{
QList<QUrl> urls = event->mimeData()->urls();
if (urls.isEmpty())
return;
QString fileName = urls.first().toLocalFile();
if (fileName.isEmpty())
return;
textEdit->append(tr("File Path: "));
textEdit->append(fileName);
QFile file(fileName);
if(!file.open(QIODevice::ReadOnly)){
textEdit->append(file.errorString());
return;
}
QString str = file.readAll();
file.close();
textEdit->append(tr("Document content: "));
textEdit->append(str);
}
void MainWindow::setupUI()
{
DragListWidget *dragListWidget = new DragListWidget(this);
DropListWidget *dropListWidget = new DropListWidget(this);
QHBoxLayout *dLayout = new QHBoxLayout;
dLayout->addWidget(dragListWidget);
dLayout->addWidget(dropListWidget);
QGroupBox *groupBox = new QGroupBox(tr("Move to the right"), this);
groupBox->setLayout(dLayout);
textEdit = new QTextEdit(this);
textEdit->setPlaceholderText(tr("Drag text file into text box."));
textEdit->setAcceptDrops(false);
QPushButton *button = new QPushButton(tr("Clear"), this);
QHBoxLayout *textLayout = new QHBoxLayout;
textLayout->addWidget(textEdit);
textLayout->addWidget(button);
QGroupBox *textBox = new QGroupBox(tr("Text reader"), this);
textBox->setLayout(textLayout);
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(groupBox);
layout->addWidget(textBox);
QFrame *frame = new QFrame(this);
frame->setLayout(layout);
setCentralWidget(frame);
connect(button, &QPushButton::clicked, textEdit, &QTextEdit::clear);
}