fix(logout): Fixed the shutdown of the screensaver process when the logout query phase window was closed

- 修复由于注销询问阶段，窗口被关闭导致屏保进程退出，后续无法锁屏的问题

Closes #15523

0003-fix-logout-Fixed-the-shutdown-of-the-screensaver-pro.patch

@@ -0,0 +1,140 @@
+From 5cf42cb04cac2926a4ee8c0c45ee795c3f77f51b Mon Sep 17 00:00:00 2001
+From: liuxinhao <liuxinhao@kylinsec.com.cn>
+Date: Tue, 12 Sep 2023 15:01:41 +0800
+Subject: [PATCH] fix(logout): Fixed the shutdown of the screensaver process
+ when the logout query phase window was closed
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+- 修复由于注销询问阶段，窗口被关闭导致屏保进程退出，后续无法锁屏的问题
+
+Closes #15523
+---
+ src/grab/grab.cpp             | 21 ++++++++++++++++++++-
+ src/grab/grab.h               |  3 ++-
+ src/grab/invisible-window.cpp |  6 ++++++
+ src/grab/invisible-window.h   |  6 ++++++
+ src/main.cpp                  |  7 +++++++
+ 5 files changed, 41 insertions(+), 2 deletions(-)
+
+diff --git a/src/grab/grab.cpp b/src/grab/grab.cpp
+index 3c4a079..8bffc7e 100644
+--- a/src/grab/grab.cpp
++++ b/src/grab/grab.cpp
+@@ -23,6 +23,7 @@
+ #include <QX11Info>
+ #include <memory>
+ #include <unistd.h>
++#include <QTimer>
+ 
+ using namespace Kiran::ScreenSaver;
+ 
+@@ -72,13 +73,31 @@ Grab* Grab::getInstance()
+ 
+ Grab::~Grab()
+ {
+-    //    delete m_invisibleWindow;
++    delete m_recreateInvisibleWindowTimer;
++    delete m_invisibleWindow;
+ }
+ 
+ Grab::Grab()
+ {
+     m_invisibleWindow = new InvisibleWindow;
+     m_invisibleWindow->show();
++
++    //NOTE:
++    // #15523
++    // xsmp  SmSaveGlobal 询问退出阶段, QGuiApplicationPrivate::commitData会尝试关闭所有窗口
++    // 该点会导致invisible window close
++    // 通过感知close事件后，重新拉取invisible window避免注销取消后，无法抓取输入到离屏窗口之上的问题
++    m_recreateInvisibleWindowTimer = new QTimer;
++    m_recreateInvisibleWindowTimer->setSingleShot(true);
++    m_recreateInvisibleWindowTimer->setInterval(0);
++
++    QObject::connect(m_recreateInvisibleWindowTimer,&QTimer::timeout,[this](){
++        this->m_invisibleWindow->show();
++    });
++
++    QObject::connect(m_invisibleWindow,&InvisibleWindow::windowClosed,[this](){
++        this->m_recreateInvisibleWindowTimer->start();
++    });
+ }
+ 
+ void Grab::releaseGrab()
+diff --git a/src/grab/grab.h b/src/grab/grab.h
+index f4e3d16..c77273c 100644
+--- a/src/grab/grab.h
++++ b/src/grab/grab.h
+@@ -18,7 +18,7 @@
+ #include <QWindow>
+ 
+ 
+-
++class QTimer;
+ namespace Kiran
+ {
+ namespace ScreenSaver
+@@ -53,6 +53,7 @@ private:
+ private:
+     InvisibleWindow* m_invisibleWindow = nullptr;
+     WId m_grabWID = 0;
++    QTimer* m_recreateInvisibleWindowTimer;
+ };
+ }  // namespace ScreenSaver
+ }  // namespace Kiran
+diff --git a/src/grab/invisible-window.cpp b/src/grab/invisible-window.cpp
+index ddd51ae..59f93f5 100644
+--- a/src/grab/invisible-window.cpp
++++ b/src/grab/invisible-window.cpp
+@@ -25,4 +25,10 @@ InvisibleWindow::InvisibleWindow(QWidget *parent)
+ 
+ InvisibleWindow::~InvisibleWindow()
+ {
++}
++
++void InvisibleWindow::closeEvent(QCloseEvent *event)
++{
++    emit windowClosed();
++    QWidget::closeEvent(event);
+ }
+\ No newline at end of file
+diff --git a/src/grab/invisible-window.h b/src/grab/invisible-window.h
+index 1a51c00..08d0359 100644
+--- a/src/grab/invisible-window.h
++++ b/src/grab/invisible-window.h
+@@ -30,6 +30,12 @@ class InvisibleWindow : public QWidget
+ public:
+     InvisibleWindow(QWidget* parent = nullptr);
+     ~InvisibleWindow();
++
++signals:
++    void windowClosed();
++
++protected:
++    void closeEvent(QCloseEvent *event) override;
+ };
+ }  // namespace ScreenSaver
+ }  // namespace Kiran
+diff --git a/src/main.cpp b/src/main.cpp
+index 777defe..4c1a9d7 100644
+--- a/src/main.cpp
++++ b/src/main.cpp
+@@ -28,6 +28,13 @@ int main(int argc, char *argv[])
+ 
+     KiranApplication app(argc, argv);
+ 
++    //NOTE:
++    // #15523
++    // xsmp QueryEndSession 会话询问退出阶段
++    // QxcbSessionManager -> QGuiApplicationPrivate::commitData将会尝试关闭所有窗口，导致进程退出
++    // 屏保服务需加入该标识，窗口全部关闭时也不退出
++    QGuiApplication::setQuitOnLastWindowClosed(false);
++
+     int xsetProcess = QProcess::execute("xset",QStringList() << "s" << "0" << "0");
+ 
+     auto translator = new QTranslator;
+-- 
+2.33.0
+

kiran-screensaver.spec

@@ -1,6 +1,6 @@
 Name:    kiran-screensaver
 Version: 2.2.3
-Release: 4
+Release: 5
 Summary: Kiran Desktop Screensaver Backend
 Summary(zh_CN): kiran桌面屏保后端
 
@@ -9,6 +9,7 @@ License: MulanPSL-2.0
 Source0: %{name}-%{version}.tar.gz
 Patch0001: 0001-fix-gsettings-screensaver-locker-paths-use-the-cmake.patch
 Patch0002: 0002-fix-grab-keyboard-not-released-when-mouse-capture-fa.patch
+Patch0003: 0003-fix-logout-Fixed-the-shutdown-of-the-screensaver-pro.patch
 
 BuildRequires: gcc-c++
 BuildRequires: cmake
@@ -72,6 +73,9 @@ glib-compile-schemas /usr/share/glib-2.0/schemas &> /dev/nulls || :
 rm -rf %{buildroot}
 
 %changelog
+* Tue Sep 12 2023 liuxinhao <liuxinhao@kylinsec.com.cn> - 2.2.3-5
+- KYOS-B: Fixed the shutdown of the screensaver process when the logout query phase window was closed(#15523)
+
 * Sat Aug 19 2023 liuxinhao <liuxinhao@kylinsec.com.cn> - 2.2.3-4
 - KYOS-B: fix keyboard not released when mouse capture failed. cause keyboard cannot be typed