From b422e364fea3b88b3def1985fcf289103ef4f09f Mon Sep 17 00:00:00 2001
From: Ximi1970 <ximi.github@gmail.com>
Date: Tue, 7 Apr 2020 23:25:05 +0200
Subject: [PATCH] Add sendevent

---
 app/SysTray-X/windowctrl-unix.cpp | 59 +++++++++++++++++++++++++++++--
 app/SysTray-X/windowctrl-unix.h   | 21 +++++++++++
 app/SysTray-X/windowctrl.cpp      |  3 ++
 3 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/app/SysTray-X/windowctrl-unix.cpp b/app/SysTray-X/windowctrl-unix.cpp
index 40079ce..501ffe0 100644
--- a/app/SysTray-X/windowctrl-unix.cpp
+++ b/app/SysTray-X/windowctrl-unix.cpp
@@ -315,6 +315,27 @@ void    WindowCtrlUnix::normalizeWindow( quint64 window )
 }
 
 
+void    WindowCtrlUnix::hideWindow( quint64 window, bool set )
+{
+    if( set )
+    {
+        sendEvent( window,
+                    "_NET_WM_STATE",
+                    _NET_WM_STATE_ADD,
+                    static_cast<long>( XInternAtom( m_display, "_NET_WM_STATE_SKIP_TASKBAR", False ) ) );
+    }
+    else
+    {
+        sendEvent( window,
+                    "_NET_WM_STATE",
+                    _NET_WM_STATE_REMOVE,
+                    static_cast<long>( XInternAtom( m_display, "_NET_WM_STATE_SKIP_TASKBAR", False ) ) );
+    }
+
+}
+
+#ifdef FF_NEET
+
 /*
  *  Remove window from taskbar
  */
@@ -400,7 +421,7 @@ void    WindowCtrlUnix::hideWindow( quint64 window, bool set )
 
     XFlush( m_display );
 }
-
+#endif
 
 /*
  *  Delete the window
@@ -421,7 +442,7 @@ void    WindowCtrlUnix::deleteWindow( quint64 window )
     }
 
     Atom delete_prop = XInternAtom( m_display, "WM_DELETE_WINDOW", False );
-    if( prop == None )
+    if( delete_prop == None )
     {
         return;
     }
@@ -464,6 +485,40 @@ QList< WindowCtrlUnix::WindowItem >   WindowCtrlUnix::listXWindows( Display *dis
 }
 
 
+/*
+ *  Send a X event
+ */
+void    WindowCtrlUnix::sendEvent( quint64 window, const char* msg, long action,
+                                    long prop1, long prop2, long prop3, long prop4 )
+{
+    Window win = static_cast<Window>( window );
+
+    XEvent event;
+    event.xclient.type = ClientMessage;
+    event.xclient.serial = 0;
+    event.xclient.send_event = True;
+    event.xclient.message_type = XInternAtom( m_display, msg, False );
+    event.xclient.window = win;
+    event.xclient.format = 32;
+    event.xclient.data.l[0] = action;
+    event.xclient.data.l[1] = prop1;
+    event.xclient.data.l[2] = prop2;
+    event.xclient.data.l[2] = prop3;
+    event.xclient.data.l[2] = prop4;
+
+    if( XSendEvent( m_display, win, False, SubstructureRedirectMask | SubstructureNotifyMask, &event ) )
+    {
+        emit signalConsole( "Event sent" );
+    }
+    else
+    {
+        emit signalConsole( "Event NOT sent" );
+    }
+
+    XFlush( m_display );
+}
+
+
 /*
  *  Get the title of the window
  */
diff --git a/app/SysTray-X/windowctrl-unix.h b/app/SysTray-X/windowctrl-unix.h
index 8f983b8..26c20cd 100644
--- a/app/SysTray-X/windowctrl-unix.h
+++ b/app/SysTray-X/windowctrl-unix.h
@@ -55,6 +55,13 @@ class WindowCtrlUnix : public QObject
             TYPE_NORMAL
         };
 
+        enum StateActions
+        {
+            _NET_WM_STATE_REMOVE = 0,
+            _NET_WM_STATE_ADD,
+            _NET_WM_STATE_TOGGLE
+        };
+
         /*
          *  Window states
          */
@@ -237,6 +244,20 @@ class WindowCtrlUnix : public QObject
          */
         QString atomName( Display* display, quint64 window );
 
+        /**
+         * @brief sendEvent. Send an event.
+         *
+         *  @param window    Event target.
+         *  @param msg       The message
+         *  @param action    The action for the properties
+         *  @param prop1     Property 1
+         *  @param prop2     Property 2
+         *  @param prop3     Property 3
+         *  @param prop4     Property 4
+         */
+        void sendEvent( quint64 window, const char* msg, long action,
+                            long prop1, long prop2 = 0, long prop3 = 0, long prop4 = 0 );
+
         /**
          * @brief atomNetWmState. Get the _NET_WM_STATE of the window.
          *
diff --git a/app/SysTray-X/windowctrl.cpp b/app/SysTray-X/windowctrl.cpp
index 3de2801..ebee217 100644
--- a/app/SysTray-X/windowctrl.cpp
+++ b/app/SysTray-X/windowctrl.cpp
@@ -77,6 +77,8 @@ void    WindowCtrl::slotWindowTest2()
 //    findWindow( m_ppid );
 //    emit signalConsole( QString( "Hwnd ppid: %1" ).arg( getWinIds()[0] ) );
 
+    hideWindow( getWinId(), true );
+
     emit signalConsole("Test 2 done");
 }
 
@@ -86,6 +88,7 @@ void    WindowCtrl::slotWindowTest3()
     emit signalConsole("Test 3 started");
 
     // Do something.
+    hideWindow( getWinId(), false );
 
 //    emit signalConsole( QString( "Pid %1" ).arg( m_pid ) );
 //    emit signalConsole( QString( "Ppid %1" ).arg( m_ppid ) );