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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#include "dfiledragserver.h"
#include "dfiledrag.h"
#include <QDialog>
#include <QLabel>
#include <QTimer>
#include <QMimeData>
#include <QApplication>
#include <QMouseEvent>
#include <QVBoxLayout>
#include <QProgressBar>
#include <QDebug>
#include <QRandomGenerator>
DGUI_USE_NAMESPACE
static int p;
static DFileDragServer *s = nullptr;
static QLabel *lbr = nullptr;
class DraggableLabel : public QLabel
{
Q_OBJECT
public:
using QLabel::QLabel;
Q_SIGNALS:
void dragFinished();
protected:
void mousePressEvent(QMouseEvent *e)
{
if (e->button() == Qt::MouseButton::LeftButton) {
dragpos = e->pos();
}
}
void mouseMoveEvent(QMouseEvent *e)
{
if (!(e->buttons() & Qt::MouseButton::LeftButton) || s) {
return;
}
if ((e->pos() - dragpos).manhattanLength() < QApplication::startDragDistance()) {
return;
}
s = new DFileDragServer();
DFileDrag *drag = new DFileDrag(this, s);
QMimeData *m = new QMimeData();
m->setText("your stuff here");
drag->setMimeData(m);
connect(drag, &DFileDrag::targetUrlChanged, [drag] {
lbr->setText(drag->targetUrl().toString());
});
Qt::DropAction res = drag->exec(Qt::MoveAction);
if (res!= Qt::IgnoreAction)
Q_EMIT dragFinished();
else {
s->deleteLater();
s = nullptr;
}
}
private:
QPoint dragpos;
};
int main(int argc, char **argv)
{
QApplication a(argc, argv);
QDialog d;
d.show();
DraggableLabel l("Drag me", &d);
l.setAlignment(Qt::AlignCenter);
QTimer t;
t.setInterval(50);
t.setSingleShot(false);
QProgressBar pg;
pg.setMinimum(0);
pg.setMaximum(100);
QLabel lb;
lbr = &lb;
lb.setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
QObject::connect(&l, &DraggableLabel::dragFinished, [&t] {
p = -1;
t.start();
});
QObject::connect(&t, &QTimer::timeout, [&t, &pg] {
if (QRandomGenerator::global()->generate() & 1) {
s->setProgress(++p);
pg.setValue(p);
if(p == 100) {
t.stop();
s->deleteLater();
s = nullptr;
}
}
});
QVBoxLayout lo;
lo.addWidget(&l);
lo.addWidget(&pg);
lo.addWidget(&lb);
d.setLayout(&lo);
a.exec();
}
#include "dnd-test-server.moc"
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