From 902758fd49c37cb36f6dcc3ec3cb1fdc6c1cc31f Mon Sep 17 00:00:00 2001
From: liuminghang <liuminghang@uniontech.com>
Date: Thu, 24 Jun 2021 20:45:02 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8Dbug84892?=
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Description: 重写了鼠标事件，现在已经正常显示鼠标

Log: 与视图有关
Bug: https://pms.uniontech.com/zentao/bug-view-84892.html
Change-Id: Icd4bf87c07a83f860fbc0350e7095e0af491b927
---
 src/view/imageview.cpp | 22 +++++++++++++++++++++-
 src/view/imageview.h   |  4 +++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/view/imageview.cpp b/src/view/imageview.cpp
index 4f03cc3..c2e619b 100644
--- a/src/view/imageview.cpp
+++ b/src/view/imageview.cpp
@@ -27,6 +27,7 @@ ImageView::ImageView(QWidget *parent):
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     this->grabGesture(Qt::PinchGesture);
     setAttribute(Qt::WA_AcceptTouchEvents);
+    viewport()->setCursor(Qt::ArrowCursor);
 }
 
 void ImageView::openImage(const QString &path)
@@ -191,9 +192,28 @@ void ImageView::autoFit()
 
 }
 
+void ImageView::mouseReleaseEvent(QMouseEvent *e)
+{
+    QGraphicsView::mouseReleaseEvent(e);
+    viewport()->setCursor(Qt::ArrowCursor);
+}
+
+void ImageView::mousePressEvent(QMouseEvent *e)
+{
+    QGraphicsView::mousePressEvent(e);
+    viewport()->unsetCursor();
+    viewport()->setCursor(Qt::ArrowCursor);
+}
+
 void ImageView::mouseMoveEvent(QMouseEvent *event)
 {
-    return QGraphicsView::mouseMoveEvent(event);
+    //修复鼠标状态不对的问题
+    if (!(event->buttons() | Qt::NoButton)) {
+        viewport()->setCursor(Qt::ArrowCursor);
+    } else {
+        QGraphicsView::mouseMoveEvent(event);
+        viewport()->setCursor(Qt::ClosedHandCursor);
+    }
 }
 
 bool ImageView::event(QEvent *event)
diff --git a/src/view/imageview.h b/src/view/imageview.h
index 0dad3e7..abddecf 100644
--- a/src/view/imageview.h
+++ b/src/view/imageview.h
@@ -26,7 +26,9 @@ public:
     //自适应窗口
     void autoFit();
     //鼠标移动事件
-    void mouseMoveEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *e) override;
+    void mousePressEvent(QMouseEvent *e) override;
+    void mouseMoveEvent(QMouseEvent *e) override;
     bool event(QEvent *event)override;
     bool gestureEvent(QGestureEvent *event);