From 42a09e95fd93f344a1c96ecbf24f4234a5549be5 Mon Sep 17 00:00:00 2001
From: lixueman <lixueman@kylinos.cn>
Date: Mon, 21 Nov 2022 09:01:12 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=80=E5=A7=8B=E8=8F=9C=E5=8D=95=E5=BA=94?=
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 =?UTF-8?q?=E5=88=B0=E4=BB=BB=E5=8A=A1=E6=A0=8F=E5=8A=9F=E8=83=BD?=
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---
 src/UserInterface/ListView/listview.cpp | 32 +++++++++++++++++++++++++
 src/UserInterface/ListView/listview.h   |  3 +++
 2 files changed, 35 insertions(+)

diff --git a/src/UserInterface/ListView/listview.cpp b/src/UserInterface/ListView/listview.cpp
index 89be87b..3ec9cd7 100755
--- a/src/UserInterface/ListView/listview.cpp
+++ b/src/UserInterface/ListView/listview.cpp
@@ -18,9 +18,11 @@
 #include "listview.h"
 #include "function_button_widget.h"
 #include "utility.h"
+#include "thumbnail.h"
 #include <QDebug>
 #include <QDesktopServices>
 #include <QtConcurrent/QtConcurrent>
+#include <QDrag>
 
 ListView::ListView(QWidget *parent/*, int width, int height, int module*/):
     KListView(parent)
@@ -29,6 +31,7 @@ ListView::ListView(QWidget *parent/*, int width, int height, int module*/):
     this->h = 540;
     this->module = 1;
     initWidget();
+    setDragEnabled(true);
     setAttribute(Qt::WA_AcceptTouchEvents);
     m_listmodel = new QStandardItemModel(this);
     this->setModel(m_listmodel);
@@ -47,6 +50,7 @@ ListView::~ListView()
 void ListView::initWidget()
 {
     setAttribute(Qt::WA_TranslucentBackground);
+    this->setAcceptDrops(true);
     viewport()->setAttribute(Qt::WA_TranslucentBackground);
     viewport()->setAutoFillBackground(false);
     this->setSelectionMode(QAbstractItemView::SingleSelection);
@@ -70,6 +74,34 @@ void ListView::initWidget()
     connect(this, &ListView::clicked, this, &ListView::onClicked);
 }
 
+void ListView::mouseMoveEvent(QMouseEvent *e)
+{
+    if (e->buttons() & Qt::LeftButton) {
+        if ((e->pos() - m_pressPos).manhattanLength() >= QApplication::startDragDistance()) {
+            myDebug() << "进入拖拽事件";
+            QString desktopfp = m_pressApp.value<QStringList>().at(0);
+            QMimeData *mimeData  = new QMimeData;
+            ThumbNail *dragImage = new ThumbNail;
+            QDrag *drag          = new QDrag(this);
+            QList<QUrl> desktopUrlList;
+            desktopUrlList.append(QUrl(desktopfp));
+            myDebug() << desktopUrlList;
+            mimeData->setUrls(desktopUrlList);
+            //设置拖拽时的缩略图
+            dragImage->setupthumbnail(desktopfp);
+            QPixmap pixmap = dragImage->grab();
+            pixmap = pixmap.scaled(QSize(32, 32), Qt::KeepAspectRatio);
+            myDebug() << mimeData;
+            drag->setMimeData(mimeData);
+            drag->setPixmap(pixmap);
+            drag->setHotSpot(QPoint(pixmap.width(), pixmap.height()));
+            drag->exec(Qt::MoveAction);
+            delete dragImage;
+            dragImage = nullptr;
+        }
+    }
+}
+
 void ListView::addData(QVector<QStringList> data, int module)
 {
     this->module = module;
diff --git a/src/UserInterface/ListView/listview.h b/src/UserInterface/ListView/listview.h
index f9125e8..6a26210 100755
--- a/src/UserInterface/ListView/listview.h
+++ b/src/UserInterface/ListView/listview.h
@@ -50,11 +50,14 @@ protected:
     void paintEvent(QPaintEvent *e) override;
     void keyPressEvent(QKeyEvent *e);
     bool event(QEvent *e);
+    void mouseMoveEvent(QMouseEvent *e);
+
 private:
     int w = 0;
     int h = 0;
     int m_preRowCount;
     bool m_scrollbarState = true;
+    QPoint m_pressPos;
 
 
 private Q_SLOTS: