C++ (Cpp) listWindowsRecursive Examples

Example #1

File: LinuxWindowCapture.cpp Project: xkoan/track-o-bot

xcb_window_t LinuxWindowCapture::FindWindow( const QString& instanceName, const QString& windowClass ) {

  xcb_window_t window = static_cast< xcb_window_t > ( 0 );
  xcb_connection_t* dpy = xcb_connect( NULL, NULL );
  if ( xcb_connection_has_error( dpy ) ) { qDebug() << "Can't open display"; }

  xcb_screen_t* screen = xcb_setup_roots_iterator( xcb_get_setup( dpy ) ).data;
  if( !screen ) { qDebug() << "Can't acquire screen"; }

  xcb_window_t root = screen->root;
  QList< xcb_window_t > windows = listWindowsRecursive( dpy, root );

  foreach( const xcb_window_t& win, windows ) {

    xcb_icccm_get_wm_class_reply_t wmNameR;
    xcb_get_property_cookie_t wmClassC = xcb_icccm_get_wm_class( dpy, win );
    if ( xcb_icccm_get_wm_class_reply( dpy, wmClassC, &wmNameR, NULL ) ) {

      if( !qstrcmp( wmNameR.class_name, windowClass.toStdString().c_str() ) ||
          !qstrcmp( wmNameR.instance_name, instanceName.toStdString().c_str() ) ) {
          qDebug() << wmNameR.instance_name;
          qDebug() << wmNameR.class_name;
          window = win;
          break;
      }
    }

  }

Example #2

File: LinuxWindowCapture.cpp Project: BOSSoNe0013/track-o-bot

QList< xcb_window_t > LinuxWindowCapture::listWindowsRecursive( const xcb_window_t& window ) {
  QList< xcb_window_t > windows;
  xcb_connection_t* xcbConn = QX11Info::connection();
  xcb_query_tree_cookie_t queryC = xcb_query_tree( xcbConn, window );
  CScopedPointer< xcb_query_tree_reply_t > queryR( xcb_query_tree_reply( xcbConn, queryC, nullptr ) );

  if ( queryR ) {
    xcb_window_t* children = xcb_query_tree_children( queryR.data() );
    for( auto c = 0; c < xcb_query_tree_children_length( queryR.data() ); ++c ) {
      windows << children[ c ];
      windows << listWindowsRecursive( children[ c ] );
    }
  }
  return windows;
}

Example #3

File: LinuxWindowCapture.cpp Project: xkoan/track-o-bot

QList< xcb_window_t > LinuxWindowCapture::listWindowsRecursive( xcb_connection_t* dpy, xcb_window_t& window )
{
  QList< xcb_window_t > windows;
  xcb_query_tree_reply_t* queryR;

  xcb_query_tree_cookie_t queryC = xcb_query_tree( dpy, window );

  if( ( queryR = xcb_query_tree_reply( dpy, queryC, NULL ) ) ) {
    xcb_window_t* children = xcb_query_tree_children( queryR );

    for( int c = 0; c < xcb_query_tree_children_length( queryR ); ++c  ) {
      windows << children[ c ];
      windows << listWindowsRecursive( dpy, children[ c ]);
    }
    free( queryR );
  }
  return windows;
}

Example #4

File: LinuxWindowCapture.cpp Project: BOSSoNe0013/track-o-bot

xcb_window_t LinuxWindowCapture::FindWindow( const QString& instanceName, const QString& windowClass ) {
  xcb_window_t winID = XCB_WINDOW_NONE;
  QList< xcb_window_t > windows = listWindowsRecursive( QX11Info::appRootWindow() );
  xcb_connection_t* xcbConn = QX11Info::connection();

  foreach( const xcb_window_t& win, windows ) {

    xcb_icccm_get_wm_class_reply_t wmNameR;
    xcb_get_property_cookie_t wmClassC = xcb_icccm_get_wm_class( xcbConn, win );

    if ( xcb_icccm_get_wm_class_reply( xcbConn, wmClassC, &wmNameR, nullptr ) ) {
      if( !qstricmp( wmNameR.class_name, qt2cstr( windowClass ) ) ||
          !qstricmp( wmNameR.instance_name, qt2cstr ( instanceName ) ) ) {
        winID = win;
        break;
      }
    }
  }