From 3aa9e9a7c150a38ff8a660c286e40239bd0edd69 Mon Sep 17 00:00:00 2001
From: Ximi1970 <ximi.github@gmail.com>
Date: Sun, 16 Feb 2020 13:38:23 +0100
Subject: [PATCH] Add debug and experimental X11 window methods

---
 .gitignore                        |   1 +
 README.references.txt             |  59 ++++++
 app/.gitignore                    |   2 +-
 app/SysTray-X/SysTray-X.pro       |   5 +
 app/SysTray-X/debugwidget.cpp     |  27 +++
 app/SysTray-X/debugwidget.h       |  41 ++--
 app/SysTray-X/debugwidget.ui      |  62 +++---
 app/SysTray-X/systrayx.cpp        |   2 +
 app/SysTray-X/windowctrl-unix.cpp | 318 +++++++++++++++++++++++++++++-
 app/SysTray-X/windowctrl-unix.h   | 170 +++++++++++++++-
 app/config/linux/.gitignore       |   1 +
 app/config/win32/.gitignore       |   1 +
 12 files changed, 645 insertions(+), 44 deletions(-)
 create mode 100644 app/config/linux/.gitignore
 create mode 100644 app/config/win32/.gitignore

diff --git a/.gitignore b/.gitignore
index 86c2fc7..cd0d191 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.xpi
+SysTray-X
  
diff --git a/README.references.txt b/README.references.txt
index 50aadf9..0af9da3 100644
--- a/README.references.txt
+++ b/README.references.txt
@@ -1,3 +1,62 @@
+#<script>
+
+X11
+==========================================
+
+
+Bash 
+
+xwininfo -tree -root
+
+
+
+How to get the list of open windows from xserver
+
+https://stackoverflow.com/questions/252906/how-to-get-the-list-of-open-windows-from-xserver
+  -> XQueryTree Xlib
+  
+https://tronche.com/gui/x/xlib/window-information/XQueryTree.html
+  
+
+https://stackoverflow.com/questions/11594184/getting-a-list-of-window-wids-in-qt
+
+
+How to detect window state in linux?
+
+https://stackoverflow.com/questions/37003959/how-to-detect-window-state-in-linux
+
+
+
+Taskbar hide
+
+https://stackoverflow.com/questions/41622735/hide-window-from-linux-taskbar
+
+
+
+Intercept close event X11
+
+https://stackoverflow.com/questions/1157364/intercept-wm-delete-window-on-x11
+
+
+
+Qt X11
+
+https://doc.qt.io/qt-5/qx11info.html
+
+
+Obesolete X11 container qt4
+
+https://stackoverflow.com/questions/39515384/qx11embedcontainer-alternative-in-qt5
+
+
+Example container
+
+https://stackoverflow.com/questions/1102658/qx11embedwidget-and-qx11embedcontainer
+
+
+==========================================
+
+
 Arguments for <script>
 https://stackoverflow.com/questions/5292372/how-to-pass-parameters-to-a-script-tag
 
diff --git a/app/.gitignore b/app/.gitignore
index 1964f99..30d388a 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1 +1 @@
-build-*
\ No newline at end of file
+build*
\ No newline at end of file
diff --git a/app/SysTray-X/SysTray-X.pro b/app/SysTray-X/SysTray-X.pro
index b3331de..563bd44 100644
--- a/app/SysTray-X/SysTray-X.pro
+++ b/app/SysTray-X/SysTray-X.pro
@@ -6,6 +6,10 @@
 
 QT       += core gui
 
+unix: {
+    QT  += x11extras
+}
+
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
 TARGET = SysTray-X
@@ -30,6 +34,7 @@ CONFIG += c++11
 #
 unix:!macx: {
 #    QMAKE_LFLAGS += -lX11 -static-libgcc -static-libstdc++
+    QMAKE_LFLAGS += -lX11
 }
 win32: {
 #    QMAKE_LFLAGS += -static -lwinpthread -static-libgcc -static-libstdc++ $$(QMAKE_LFLAGS_WINDOWS)
diff --git a/app/SysTray-X/debugwidget.cpp b/app/SysTray-X/debugwidget.cpp
index da46ab3..453e757 100644
--- a/app/SysTray-X/debugwidget.cpp
+++ b/app/SysTray-X/debugwidget.cpp
@@ -6,6 +6,10 @@
  */
 #include "preferences.h"
 
+/*
+ *	System includes
+ */
+
 /*
  *	Qt includes
  */
@@ -22,6 +26,11 @@ DebugWidget::DebugWidget( Preferences* pref, QWidget* parent ) : QWidget( parent
      *  Store the preferences
      */
     m_pref = pref;
+
+    /*
+     *  Connect the button
+     */
+    connect( m_ui->testPushButton, &QPushButton::clicked, this, &DebugWidget::slotHandleTestButton);
 }
 
 
@@ -128,3 +137,21 @@ void    DebugWidget::slotReceiveError( const QString& error )
 {
     setError( error );
 }
+
+
+/*
+ *  Handle test button click
+ */
+void    DebugWidget::slotHandleTestButton()
+{
+    emit signalTestButtonClicked();
+}
+
+
+/*
+ *  Handle console signal
+ */
+void    DebugWidget::slotConsole( QString message )
+{
+    m_ui->textEdit->append( message );
+}
diff --git a/app/SysTray-X/debugwidget.h b/app/SysTray-X/debugwidget.h
index a141749..e768cee 100644
--- a/app/SysTray-X/debugwidget.h
+++ b/app/SysTray-X/debugwidget.h
@@ -43,35 +43,35 @@ class DebugWidget : public QWidget
          *
          *  @param message   The message to display.
          */
-        void setDebugMessage( const QString& message );
+        void    setDebugMessage( const QString& message );
 
         /**
          * @brief setRawDataLength. Display the error data length.
          *
          *  @param length    The raw data length.
          */
-        void setRawDataLength( int length );
+        void    setRawDataLength( int length );
 
         /**
          * @brief setRswDataMessage. Display the raw data.
          *
          *  @param message   The raw data messsage.
          */
-        void setErrorDataMessage( const QString &message );
+        void    setErrorDataMessage( const QString &message );
 
         /**
          * @brief setUnreadMail. Set the number of unread mails.
          *
          *  @param unread    The number of unread mails.
          */
-        void setUnreadMail( int unread );
+        void    setUnreadMail( int unread );
 
         /**
          * @brief setError. Set the error message.
          *
          *  @param error     The error message.
          */
-        void setError( const QString &error );
+        void    setError( const QString &error );
 
     signals:
 
@@ -80,49 +80,66 @@ class DebugWidget : public QWidget
          *
          *  @param message
          */
-        void signalWriteMessage( const QByteArray& message );
+        void    signalWriteMessage( const QByteArray& message );
+
+        /**
+         * @brief signalTestButtonClicked. Signal the test button was clicked.
+         */
+        void    signalTestButtonClicked();
 
     public slots:
 
         /**
          * @brief slotDebugChange. The debug state changed.
          */
-        void slotDebugChange();
+        void    slotDebugChange();
 
         /**
          * @brief slotDebugMessage
          *
          *  @param message
          */
-        void slotDebugMessage( const QString& message );
+        void    slotDebugMessage( const QString& message );
 
         /**
          * @brief slotReceivedDataLength. The received data length.
          *
          *  @param data_len      The received data length.
          */
-        void slotReceivedDataLength( qint32 msglen );
+        void    slotReceivedDataLength( qint32 msglen );
 
         /**
          * @brief slotReceivedData. The received data.
          *
          *  @param data      The received data.
          */
-        void slotReceivedData( const QByteArray& data );
+        void    slotReceivedData( const QByteArray& data );
 
         /**
          * @brief slotSetUnreadMail. Slot for handling unread mail signals.
          *
          *  @param unread_mail  The number of unread mails.
          */
-        void slotUnreadMail( int unread_mail );
+        void    slotUnreadMail( int unread_mail );
 
         /**
          * @brief slotReceiveError. Handle receive error signal.
          *
          *  @param error     Error message.
          */
-        void slotReceiveError( const QString& error );
+        void    slotReceiveError( const QString& error );
+
+        /**
+         * @brief slotHandleTestButton. Handle a click on the test button.
+         */
+        void    slotHandleTestButton();
+
+        /**
+         * @brief slotConsole. Handle console signal.
+         *
+         *  @param message      The message for the console.
+         */
+        void    slotConsole( QString message );
 
     private:
 
diff --git a/app/SysTray-X/debugwidget.ui b/app/SysTray-X/debugwidget.ui
index 2cd02d9..e467f52 100644
--- a/app/SysTray-X/debugwidget.ui
+++ b/app/SysTray-X/debugwidget.ui
@@ -23,37 +23,24 @@
     </rect>
    </property>
    <layout class="QGridLayout" name="gridLayout">
-    <item row="5" column="0">
+    <item row="6" column="0">
      <widget class="QLabel" name="rawDataLengthLabel">
       <property name="text">
        <string>0</string>
       </property>
      </widget>
     </item>
-    <item row="3" column="0" colspan="2">
-     <widget class="QLabel" name="errorLabel">
+    <item row="7" column="0">
+     <widget class="QPushButton" name="testPushButton">
       <property name="text">
-       <string/>
+       <string>Test</string>
       </property>
      </widget>
     </item>
-    <item row="1" column="0">
-     <spacer name="verticalSpacer">
-      <property name="orientation">
-       <enum>Qt::Vertical</enum>
-      </property>
-      <property name="sizeHint" stdset="0">
-       <size>
-        <width>20</width>
-        <height>40</height>
-       </size>
-      </property>
-     </spacer>
-    </item>
-    <item row="0" column="1">
-     <widget class="QLabel" name="unreadMailLabel">
+    <item row="4" column="0" colspan="2">
+     <widget class="QLabel" name="errorLabel">
       <property name="text">
-       <string>0</string>
+       <string/>
       </property>
      </widget>
     </item>
@@ -70,13 +57,40 @@
       </property>
      </spacer>
     </item>
-    <item row="5" column="1">
+    <item row="6" column="1">
      <widget class="QLabel" name="rawDataLabel">
       <property name="text">
        <string/>
       </property>
      </widget>
     </item>
+    <item row="3" column="0" colspan="2">
+     <widget class="QLabel" name="messageLabel">
+      <property name="text">
+       <string/>
+      </property>
+     </widget>
+    </item>
+    <item row="0" column="1">
+     <widget class="QLabel" name="unreadMailLabel">
+      <property name="text">
+       <string>0</string>
+      </property>
+     </widget>
+    </item>
+    <item row="1" column="0">
+     <spacer name="verticalSpacer">
+      <property name="orientation">
+       <enum>Qt::Vertical</enum>
+      </property>
+      <property name="sizeHint" stdset="0">
+       <size>
+        <width>20</width>
+        <height>40</height>
+       </size>
+      </property>
+     </spacer>
+    </item>
     <item row="0" column="0">
      <widget class="QLabel" name="unreadMailTextLabel">
       <property name="text">
@@ -85,11 +99,7 @@
      </widget>
     </item>
     <item row="2" column="0" colspan="2">
-     <widget class="QLabel" name="messageLabel">
-      <property name="text">
-       <string/>
-      </property>
-     </widget>
+     <widget class="QTextEdit" name="textEdit"/>
     </item>
    </layout>
   </widget>
diff --git a/app/SysTray-X/systrayx.cpp b/app/SysTray-X/systrayx.cpp
index dd0e449..a846c1a 100644
--- a/app/SysTray-X/systrayx.cpp
+++ b/app/SysTray-X/systrayx.cpp
@@ -77,6 +77,8 @@ SysTrayX::SysTrayX( QObject *parent ) : QObject( parent )
     connect( m_link, &SysTrayXLink::signalDebugMessage, m_debug, &DebugWidget::slotDebugMessage );
     connect( m_win_ctrl, &WindowCtrl::signalDebugMessage, m_debug, &DebugWidget::slotDebugMessage );
 
+    connect( m_win_ctrl, &WindowCtrl::signalConsole, m_debug, &DebugWidget::slotConsole);
+    connect( m_debug, &DebugWidget::signalTestButtonClicked, m_win_ctrl, &WindowCtrl::slotWindowTest);
 
     /*
      *  Connect preferences signals
diff --git a/app/SysTray-X/windowctrl-unix.cpp b/app/SysTray-X/windowctrl-unix.cpp
index 9101a5a..04c13d5 100644
--- a/app/SysTray-X/windowctrl-unix.cpp
+++ b/app/SysTray-X/windowctrl-unix.cpp
@@ -2,6 +2,9 @@
 
 #ifdef Q_OS_UNIX
 
+//#include <QX11Info>
+#include <X11/Xatom.h>
+
 /*
  *  Constructor
  */
@@ -11,10 +14,321 @@ WindowCtrl::WindowCtrl(QObject *parent) : QObject(parent)
 }
 
 
+void    WindowCtrl::slotWindowTest()
+{
+    emit signalConsole("Test started");
+
+    // Do something.
+
+    findWindow( "- Mozilla Thunderbird" );
+
+//    findWindow( 4313 );
+
+    emit signalConsole("Test done");
+}
+
+
+/*
+ *  Get the X11 window list
+ */
+QList< WindowCtrl::WindowItem >   WindowCtrl::listXWindows( Display *display, Window window, int level )
+{
+    Window root;
+    Window parent;
+    Window *children;
+    unsigned int childrenCount;
+
+    QList< WindowItem > windows;
+    if( XQueryTree( display, window, &root, &parent, &children, &childrenCount) )
+    {
+        for( unsigned int i = 0; i < childrenCount; ++i )
+        {
+            windows.append( WindowItem( children[ i ], level ) );
+            windows.append( listXWindows( display, children[ i ], level + 1) );
+        }
+
+        XFree( children );
+    }
+
+    return windows;
+}
+
+
+/*
+ *  Find a window by title
+ */
+void    WindowCtrl::findWindow( const QString& title )
+{
+    Display *display = XOpenDisplay( ":0.0" );
+    Window rootWindow = XDefaultRootWindow( display );
+    QList< WindowItem > windows = listXWindows( display, rootWindow );
+
+    foreach( WindowItem win, windows )
+    {
+        char *name = nullptr;
+        if( XFetchName( display, win.window, &name ) > 0 ) {
+            QString win_name( name );
+
+            XFree( name );
+
+            if( win_name.contains( title, Qt::CaseInsensitive ) ) {
+                emit signalConsole( QString( "Found: Level %1, XID %2, Name %3" ).arg( win.level ).arg( win.window ).arg( win_name ) );
+
+                QStringList types = atomWindowType( display, win.window );
+                foreach( QString type, types )
+                {
+                    emit signalConsole( QString( "Atom type: %1" ).arg( type ) );
+                }
+
+                QStringList states = atomState( display, win.window );
+
+                bool max_vert = false;
+                bool max_horz = false;
+                bool hidden = false;
+
+                foreach( QString state, states )
+                {
+                    emit signalConsole( QString( "Atom state: %1" ).arg( state ) );
+
+                    int state_code = WindowStates.indexOf( state ) ;
+
+                    switch( state_code )
+                    {
+                        case STATE_MAXIMIZED_VERT:
+                        {
+                            max_vert = true;
+                            break;
+                        }
+
+                        case STATE_MAXIMIZED_HORZ:
+                        {
+                            max_horz = true;
+                            break;
+                        }
+
+                        case STATE_HIDDEN:
+                        {
+                            hidden = true;
+                            break;
+                        }
+                    }
+                }
+
+                if( states.length() > 0 )
+                {
+                    if( max_vert && max_horz )
+                    {
+                        emit signalConsole( "Window State: Maximize" );
+                    }
+                    else
+                    if( hidden )
+                    {
+                        emit signalConsole( "Window State: Hidden" );
+                    }
+                    else
+                    {
+                        emit signalConsole( "Window State: Normal" );
+                    }
+                }
+                else
+                {
+                    emit signalConsole( "Window State: Unknown" );
+                }
+            }
+        }
+    }
+}
+
+
+/*
+ *  Find a window by PID
+ */
+void    WindowCtrl::findWindow( pid_t pid )
+{
+    Display *display = XOpenDisplay( ":0.0" );
+    Window rootWindow = XDefaultRootWindow( display );
+    QList< WindowItem > windows = listXWindows( display, rootWindow );
+
+    // Get the PID property atom.
+    Atom atom_PID = XInternAtom( display, "_NET_WM_PID", True );
+    if( atom_PID == None )
+    {
+        emit signalConsole( QString( "No such atom _NET_WM_PID" ) );
+    }
+
+    foreach( WindowItem win, windows )
+    {
+        Atom           type;
+        int            format;
+        unsigned long  nItems;
+        unsigned long  bytesAfter;
+
+        unsigned char* propPID = nullptr;
+        if( Success == XGetWindowProperty( display, win.window, atom_PID, 0, 1, False, XA_CARDINAL,
+                                             &type, &format, &nItems, &bytesAfter, &propPID ) )
+        {
+            if( propPID != nullptr )
+            {
+                if( pid == *((reinterpret_cast<pid_t *>( propPID ) ) ) )
+                {
+                    char* name = nullptr;
+                    XFetchName( display, win.window, &name );
+
+                    emit signalConsole( QString( "Found: Level %1, XID %2, Name %3" ).arg( win.level ).arg( win.window ).arg( name ) );
+
+
+                    QString atom_name = atomwName( display, win.window );
+                    emit signalConsole( QString( "Atom Name %1" ).arg( atom_name ) );
+
+                    QStringList states = atomState( display, win.window );
+                    foreach( QString state, states )
+                    {
+                        emit signalConsole( QString( "Atom state: %1" ).arg( state ) );
+                    }
+
+                    QStringList types = atomWindowType( display, win.window );
+                    foreach( QString type, types )
+                    {
+                        emit signalConsole( QString( "Atom type: %1" ).arg( type ) );
+                    }
+
+                    /*
+                     *  Cleanup
+                     */
+                    if( name != nullptr )
+                    {
+                        XFree( name );
+                    }
+                }
+
+                XFree( propPID );
+            }
+        }
+    }
+}
+
+
+/*
+ *  Get the title of the window
+ */
+QString   WindowCtrl::atomwName( Display *display, Window window )
+{
+    char prop_name[] = "_NET_WM_NAME";
+    Atom prop = XInternAtom( display, prop_name, True );
+
+    Atom type;
+    int format;
+    unsigned long remain;
+    unsigned long len;
+    unsigned char* list = nullptr;
+
+    QString name;
+
+    if( XGetWindowProperty( display, window, prop, 0, LONG_MAX, False, AnyPropertyType,
+                &type, &format, &len, &remain, &list ) == Success )
+    {
+        name = QString( reinterpret_cast<char*>( list ) );
+    }
+
+    if( list )
+    {
+        XFree( list );
+    }
+
+    return name;
+}
+
+
+/*
+ *  Get the state of the window
+ */
+QStringList    WindowCtrl::atomState( Display *display, Window window )
+{
+    char prop_name[] = "_NET_WM_STATE";
+    Atom prop = XInternAtom( display, prop_name, True );
+
+    Atom type;
+    int format;
+    unsigned long remain;
+    unsigned long len;
+    unsigned char* list = nullptr;
+
+    QStringList states;
+
+    if( XGetWindowProperty( display, window, prop, 0, LONG_MAX, False, AnyPropertyType,
+                &type, &format, &len, &remain, &list ) == Success )
+    {
+        for( int i = 0; i < static_cast<int>( len ); ++i )
+        {
+            Atom tmp_atom = reinterpret_cast<Atom *>( list )[ i ];
+
+            char* atom_name = XGetAtomName( display, tmp_atom );
+
+            states.append( atom_name );
+
+            if( atom_name )
+            {
+                XFree( atom_name );
+            }
+        }
+    }
+
+    if( list )
+    {
+        XFree( list );
+    }
+
+    return states;
+}
+
+
+/*
+ *  Get the type of the window
+ */
+QStringList    WindowCtrl::atomWindowType( Display *display, Window window )
+{
+    char prop_name[] = "_NET_WM_WINDOW_TYPE";
+    Atom prop = XInternAtom( display, prop_name, True );
+
+    Atom type;
+    int format;
+    unsigned long remain;
+    unsigned long len;
+    unsigned char* list = nullptr;
+
+    QStringList states;
+
+    if( XGetWindowProperty( display, window, prop, 0, LONG_MAX, False, AnyPropertyType,
+                &type, &format, &len, &remain, &list ) == Success )
+    {
+        for( int i = 0; i < static_cast<int>( len ); ++i )
+        {
+            Atom tmp_atom = reinterpret_cast<Atom *>( list )[ i ];
+
+            char* atom_name = XGetAtomName( display, tmp_atom );
+
+            states.append( atom_name );
+
+            if( atom_name )
+            {
+                XFree( atom_name );
+            }
+        }
+    }
+
+    if( list )
+    {
+        XFree( list );
+    }
+
+    return states;
+}
+
+
 /*
  *  Handle change in window state
  */
-void WindowCtrl::slotWindowState( QString state )
+void    WindowCtrl::slotWindowState( QString state )
 {
     m_state = state;
 
@@ -25,7 +339,7 @@ void WindowCtrl::slotWindowState( QString state )
 /*
  *  Handle show / hide signal
  */
-void WindowCtrl::slotShowHide()
+void    WindowCtrl::slotShowHide()
 {
     if( m_state == "minimized" )
     {
diff --git a/app/SysTray-X/windowctrl-unix.h b/app/SysTray-X/windowctrl-unix.h
index f1302e6..503f2aa 100644
--- a/app/SysTray-X/windowctrl-unix.h
+++ b/app/SysTray-X/windowctrl-unix.h
@@ -4,12 +4,107 @@
 #ifndef WINDOWCTRLLINUX_H
 #define WINDOWCTRLLINUX_H
 
+/*
+ *	Local includes
+ */
+#include "preferences.h"
+
+
+/*
+ *  System includes
+ */
+#include <X11/Xlib.h>
+
+
+/*
+ *	Qt includes
+ */
 #include <QObject>
 
+
+
+/**
+ * @brief The WindowCtrl class.
+ */
 class WindowCtrl : public QObject
 {
     Q_OBJECT
 
+    public:
+
+        /*
+         *  Window types
+         */
+        enum WindowType
+        {
+            TYPE_UNKNOWN = 0,
+            TYPE_DESKTOP,
+            TYPE_DOCK,
+            TYPE_TOOLBAR,
+            TYPE_MENU,
+            TYPE_UTILITY,
+            TYPE_SPLASH,
+            TYPE_DIALOG,
+            TYPE_DROPDOWN_MENU,
+            TYPE_POPUP_MENU,
+            TYPE_TOOLTIP,
+            TYPE_NOTIFICATION,
+            TYPE_COMBO,
+            TYPE_DND,
+            TYPE_NORMAL
+        };
+
+        /*
+         *  Window states
+         */
+        enum WindowState
+        {
+            STATE_MODAL = 0,
+            STATE_STICKY,
+            STATE_MAXIMIZED_VERT,
+            STATE_MAXIMIZED_HORZ,
+            STATE_SHADED,
+            STATE_SKIP_TASKBAR,
+            STATE_SKIP_PAGER,
+            STATE_HIDDEN,
+            STATE_FULLSCREEN,
+            STATE_ABOVE,
+            STATE_BELOW,
+            STATE_DEMANDS_ATTENTION
+        };
+
+        const QStringList WindowStates = {
+            "_NET_WM_STATE_MODAL",
+            "_NET_WM_STATE_STICKY",
+            "_NET_WM_STATE_MAXIMIZED_VERT",
+            "_NET_WM_STATE_MAXIMIZED_HORZ",
+            "_NET_WM_STATE_SHADED",
+            "_NET_WM_STATE_SKIP_TASKBAR",
+            "_NET_WM_STATE_SKIP_PAGER",
+            "_NET_WM_STATE_HIDDEN",
+            "_NET_WM_STATE_FULLSCREEN",
+            "_NET_WM_STATE_ABOVE",
+            "_NET_WM_STATE_BELOW",
+            "_NET_WM_STATE_DEMANDS_ATTENTION"
+        };
+
+        /*
+         *  Window list item
+         */
+        class WindowItem
+        {
+            public:
+
+                WindowItem( Window win, int lev )
+                {
+                    window = win;
+                    level = lev;
+                }
+
+                Window  window;
+                int     level;
+        };
+
     public:
 
         /**
@@ -19,6 +114,63 @@ class WindowCtrl : public QObject
          */
         explicit WindowCtrl( QObject *parent = nullptr );
 
+        /**
+         * @brief findWindow. Find window with title.
+         *
+         *  @param title    The title to find
+         */
+        void    findWindow( const QString& title );
+
+        /**
+         * @brief findWindow. Find window of a process.
+         *
+         *  @param pid      The process id.
+         */
+        void    findWindow( int pid );
+
+    private:
+
+        /**
+         * @brief listXWindows. Get all the windows.
+         *
+         *  @param display  The display.
+         *  @param window   The window.
+         *  @param level    The recursion level.
+         *
+         *  @return     The windows list.
+         */
+        QList< WindowItem >   listXWindows( Display* display, Window window, int level = 0 );
+
+        /**
+         * @brief atomwName. Get the title of the window.
+         *
+         *  @param display  The display
+         *  @param window   The window
+         *
+         *  @return     Name of the window.
+         */
+        QString atomwName( Display *display, Window window );
+
+        /**
+         * @brief atomState. Get the state of the window.
+         *
+         *  @param display  The display
+         *  @param window   The window
+         *
+         *  @return     State of the window.
+         */
+        QStringList    atomState( Display *display, Window window );
+
+        /**
+         * @brief atomType. Get the type of the window.
+         *
+         *  @param display  The display
+         *  @param window   The window
+         *
+         *  @return     Type of the window.
+         */
+        QStringList    atomWindowType( Display *display, Window window );
+
     signals:
 
         /**
@@ -26,17 +178,24 @@ class WindowCtrl : public QObject
          *
          * @param message   The message.
          */
-        void signalDebugMessage( QString message );
+        void    signalDebugMessage( QString message );
 
         /**
          * @brief signalWindowNormal. Signal normal window.
          */
-        void signalWindowNormal();
+        void    signalWindowNormal();
 
         /**
          * @brief signalWindowMinimuze. Signal minimize window.
          */
-        void signalWindowMinimize();
+        void    signalWindowMinimize();
+
+        /**
+         * @brief signalConsole. Send a console message.
+         *
+         *  @param message      The message.
+         */
+        void    signalConsole( QString message );
 
     public slots:
 
@@ -52,6 +211,11 @@ class WindowCtrl : public QObject
          */
         void slotShowHide();
 
+        /**
+         * @brief slotWindowTest. Start a test.
+         */
+        void    slotWindowTest();
+
     private:
 
         /**
diff --git a/app/config/linux/.gitignore b/app/config/linux/.gitignore
new file mode 100644
index 0000000..a6c57f5
--- /dev/null
+++ b/app/config/linux/.gitignore
@@ -0,0 +1 @@
+*.json
diff --git a/app/config/win32/.gitignore b/app/config/win32/.gitignore
new file mode 100644
index 0000000..a6c57f5
--- /dev/null
+++ b/app/config/win32/.gitignore
@@ -0,0 +1 @@
+*.json