From 4fd98deb676f6ec6d9e0a8abeba8ccfc7c1978ec Mon Sep 17 00:00:00 2001
From: rankun <rankun@bytedance.com>
Date: Fri, 12 Jul 2019 11:27:59 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E9=BC=A0=E6=A0=87=E6=8B=96=E5=8A=A8bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 QtScrcpy/device/ui/videoform.cpp | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/QtScrcpy/device/ui/videoform.cpp b/QtScrcpy/device/ui/videoform.cpp
index a4ab032..bfeba21 100644
--- a/QtScrcpy/device/ui/videoform.cpp
+++ b/QtScrcpy/device/ui/videoform.cpp
@@ -246,12 +246,29 @@ void VideoForm::mousePressEvent(QMouseEvent *event)
 
 void VideoForm::mouseReleaseEvent(QMouseEvent *event)
 {
-    if (ui->videoWidget->geometry().contains(event->pos())) {
+    if (m_dragPosition.isNull()) {
         if (!m_controller) {
             return;
         }
         event->setLocalPos(ui->videoWidget->mapFrom(this, event->localPos().toPoint()));
+        // local check
+        QPointF local = event->localPos();
+        if (local.x() < 0) {
+            local.setX(0);
+        }
+        if (local.x() > ui->videoWidget->width()) {
+            local.setX(ui->videoWidget->width());
+        }
+        if (local.y() < 0) {
+            local.setY(0);
+        }
+        if (local.y() > ui->videoWidget->height()) {
+            local.setY(ui->videoWidget->height());
+        }
+        event->setLocalPos(local);
         m_controller->mouseEvent(event, ui->videoWidget->frameSize(), ui->videoWidget->size());
+    } else {
+        m_dragPosition = QPoint(0, 0);
     }
 }
 
@@ -263,7 +280,7 @@ void VideoForm::mouseMoveEvent(QMouseEvent *event)
         }
         event->setLocalPos(ui->videoWidget->mapFrom(this, event->localPos().toPoint()));
         m_controller->mouseEvent(event, ui->videoWidget->frameSize(), ui->videoWidget->size());
-    } else {
+    } else if (!m_dragPosition.isNull()){
         if (event->buttons() & Qt::LeftButton) {
             move(event->globalPos() - m_dragPosition);
             event->accept();