From 8affa1937dc80a97d8bce7b2ca895085311e638a Mon Sep 17 00:00:00 2001
From: rankun <rankun@hujiang.com>
Date: Thu, 8 Nov 2018 18:59:13 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AA=97=E5=8F=A3=E5=B1=85=E4=B8=AD?=
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---
 src/videoform.cpp | 25 ++++++++++++++++---------
 src/videoform.h   |  1 +
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/videoform.cpp b/src/videoform.cpp
index dd047cb..c50dae5 100644
--- a/src/videoform.cpp
+++ b/src/videoform.cpp
@@ -77,16 +77,23 @@ VideoForm::~VideoForm()
 
 void VideoForm::updateShowSize(const QSize &newSize)
 {
-    QSize showSize = newSize;
-    QDesktopWidget* desktop = QApplication::desktop();
-    if (desktop) {
-        QSize screenSize = desktop->size();
-        showSize.setWidth(qMin(newSize.width(), screenSize.width()));
-        showSize.setHeight(qMin(newSize.height(), screenSize.height() - 100));
-    }
+    if (frameSize != newSize) {
+        frameSize = newSize;
 
-    if (showSize != size()) {
-        resize(showSize);
+        QSize showSize = newSize;
+        QDesktopWidget* desktop = QApplication::desktop();
+        if (desktop) {
+            QRect screenRect = desktop->availableGeometry();
+            showSize.setWidth(qMin(newSize.width(), screenRect.width()));
+            showSize.setHeight(qMin(newSize.height(), screenRect.height() - 100));
+
+            // 窗口居中
+            move(screenRect.center() - geometry().center());
+        }
+
+        if (showSize != size()) {
+            resize(showSize);
+        }
     }
 }
 
diff --git a/src/videoform.h b/src/videoform.h
index c81aeb4..14f4937 100644
--- a/src/videoform.h
+++ b/src/videoform.h
@@ -33,6 +33,7 @@ protected:
 
 private:
     Ui::videoForm *ui;
+    QSize frameSize;
     Server* m_server = Q_NULLPTR;
     Decoder m_decoder;
     Frames m_frames;