!33 登录界面背景抗锯齿。用户未登录过桌面环境时，选择一个默认的桌面环境。

From: @liubuguiii 
Reviewed-by: @tangjie02 
Signed-off-by: @tangjie02

0003-fix-greeter-Background-anti-aliasing.patch

@@ -0,0 +1,28 @@
+From 2366f79318014f6ec569ea61f78b53a3b80efa3d Mon Sep 17 00:00:00 2001
+From: liuxinhao <liuxinhao@kylinsec.com.cn>
+Date: Tue, 25 Apr 2023 10:45:47 +0800
+Subject: [PATCH 1/2] fix(greeter): Background anti-aliasing
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+- 背景抗锯齿
+---
+ src/lightdm-greeter/background.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/lightdm-greeter/background.cpp b/src/lightdm-greeter/background.cpp
+index c9e6394..0b6e8f3 100644
+--- a/src/lightdm-greeter/background.cpp
++++ b/src/lightdm-greeter/background.cpp
+@@ -122,6 +122,7 @@ void Background::resizeEvent(QResizeEvent *event)
+ void Background::paintEvent(QPaintEvent *event)
+ {
+     QPainter painter(this);
++    painter.setRenderHint(QPainter::Antialiasing);
+     if (!m_scaledBackground.isNull())
+     {
+         painter.drawPixmap(this->rect(), m_scaledBackground, m_scaledBackground.rect());
+-- 
+2.33.0
+

0004-fix-greeter-user-has-not-logged-in-to-a-desktop-envi.patch

@@ -0,0 +1,48 @@
+From c2cc47184ca2013c0f3f6f429190e271ebbf5147 Mon Sep 17 00:00:00 2001
+From: liuxinhao <liuxinhao@kylinsec.com.cn>
+Date: Tue, 25 Apr 2023 16:22:48 +0800
+Subject: [PATCH 2/2] fix(greeter): user has not logged in to a desktop
+ environment,  selects a desktop environment by default
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+- 用户未登录过桌面环境默认选择一个桌面环境
+---
+ src/lightdm-greeter/frame.cpp | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+diff --git a/src/lightdm-greeter/frame.cpp b/src/lightdm-greeter/frame.cpp
+index 10f1510..6b83247 100644
+--- a/src/lightdm-greeter/frame.cpp
++++ b/src/lightdm-greeter/frame.cpp
+@@ -408,11 +408,26 @@ void Frame::onUserSelected(const QString& name)
+ 
+     QString userSession = UserManager::getUserLastSession(name);
+     KLOG_DEBUG() << "user session:" << name << userSession;
++
+     if (!userSession.isEmpty() && m_sessionItemMap.contains(userSession))
+     {
++        // 默认选择用户上次进入的桌面环境
+         auto sessionItem = m_sessionItemMap[userSession];
+         sessionItem->setChecked(true);
+     }
++    else if (!m_sessionItemMap.isEmpty())
++    {
++        // 该用户未登录过桌面环境
++        auto kiranSession = m_sessionItemMap.find("kiran");
++        if (kiranSession != m_sessionItemMap.end())
++        {
++            (*kiranSession)->setChecked(true);
++        }
++        else
++        {
++            m_sessionItemMap.first()->setChecked(true);
++        }
++    }
+ 
+     if (name == m_greeter->autologinUserHint())
+     {
+-- 
+2.33.0
+

kiran-session-guard.spec

@@ -1,6 +1,6 @@
 Name: kiran-session-guard
 Version: 2.5.0
-Release: 4
+Release: 5
 Summary: Kiran desktop environment login and lock screen dialog
 Summary(zh_CN): Kiran桌面环境登录和解锁框
 
@@ -8,6 +8,8 @@ License: MulanPSL-2.0
 Source0: %{name}-%{version}.tar.gz
 Patch0:  0001-fix-translate-add-some-translation.patch
 Patch1:  0002-fix-Compatible-for-versions-below-5.14.patch
+Patch3:  0003-fix-greeter-Background-anti-aliasing.patch
+Patch4:  0004-fix-greeter-user-has-not-logged-in-to-a-desktop-envi.patch 
 
 %define SHOW_VIRTUAL_KEYBOARD 0
 
@@ -147,6 +149,10 @@ gtk-update-icon-cache -f /usr/share/icons/hicolor/
 rm -rf %{buildroot}
 
 %changelog
+* Tue Apr 25 2023 liuxinhao <liuxinhao@kylinsec.com.cn> - 2.5.0-5
+- KYOS-F: Greeter background anti-aliasing
+- KYOS-F: user has not logged in to a desktop environment,  selects a desktop environment by default
+
 * Sun Apr 23 2023 wangyucheng <wangyucheng@kylinsec.om.cn> - 2.5.0-4
 - KYOS-F: Compatible for versions below 5.14