Workaround for a possible race condition in the QWS server (mostly OZ)

(clipboard handling in Qt/E is a mess)

1 files changed, 15 insertions, 2 deletions

diff --git a/core/applets/clipboardapplet/clipboard.cpp b/core/applets/clipboardapplet/clipboard.cpp
index 4fbdf6f..3099a84 100644
--- a/core/applets/clipboardapplet/clipboard.cpp
+++ b/core/applets/clipboardapplet/clipboard.cpp
@@ -107,53 +107,53 @@ static const char * paste_xpm[] = {
 "<1s224keee|b4 ",
 "}r2itmkeee]]44",
 "<9iitmkeeehkw.",
 "<lt-u4keeb)pn.",
 "<fu-umkebhp(0.",
 "<cugg4kbh)_(q.",
 "<cyyymk))p(%q.",
 ",5vvv4k)p_%[q.",
 " ...$mljnn0qd.",
 "     4.......,"};
 
 
 ClipboardApplet::ClipboardApplet( QWidget *parent, const char *name ) : QWidget( parent, name )
 {
         setFixedWidth ( 14 );
         setFixedHeight ( 18 );
         m_clipboardPixmap = QPixmap ( paste_xpm );
 
         m_timer = new QTimer ( this );
         
         connect ( QApplication::clipboard ( ), SIGNAL( dataChanged ( )), this, SLOT( newData ( )));
         connect ( m_timer, SIGNAL( timeout ( )), this, SLOT( newData ( )));
         connect ( qApp, SIGNAL( aboutToQuit ( )), this, SLOT( shutdown ( )));
 
-        m_timer-> start ( 1500 );
-        
         m_menu = 0;
         m_dirty = true;
         m_lasttext = QString::null;
+        
+        m_timer-> start ( 0, true );
 }
 
 ClipboardApplet::~ClipboardApplet ( )
 {
 }
 
 void ClipboardApplet::shutdown ( )
 {
         // the timer has to be stopped, or Qt/E will hang on quit()
         // see launcher/desktop.cpp
 
         m_timer-> stop ( );
 }
 
 void ClipboardApplet::mousePressEvent ( QMouseEvent *)
 {
         if ( m_dirty ) {
                 delete m_menu;
         
                 m_menu = new QPopupMenu ( this );
                 m_menu-> setCheckable ( true );
 
                         if ( m_history. count ( )) {
                         for ( unsigned int i = 0; i < m_history. count ( ); i++ ) {
@@ -207,36 +207,49 @@ void ClipboardApplet::action(int id)
                                 
                                 for ( uint i = 0; i < m_history. count ( ); i++ ) 
                                         m_menu-> setItemChecked ( i, i == uint( id ));
                                 
                                 unicode = 'V' - '@';
                                 scan    = Key_V;
                         }
                         break;
         }
                 
         if ( scan ) {
                 qwsServer-> sendKeyEvent ( unicode, scan, ControlButton, true, false );
                 qwsServer-> sendKeyEvent ( unicode, scan, ControlButton, false, false );
         }
 }
 
 void ClipboardApplet::paintEvent ( QPaintEvent* )
 {
         QPainter p ( this );
         p. drawPixmap ( 0, 1, m_clipboardPixmap );
 }
 
 void ClipboardApplet::newData ( )
 {
+        static bool excllock = false;
+        
+        if ( excllock )
+                return;
+        else
+                excllock = true;
+        
+        m_timer-> stop ( ); 
+        
         QCString type = "plain";
         QString txt = QApplication::clipboard ( )-> text ( type );
 
         if ( !txt. isEmpty ( ) && !m_history. contains ( txt )) {
                 m_history. append ( txt );
 
                 if ( m_history. count ( ) > 5 )
                         m_history. remove ( m_history. begin ( ));
                 
                 m_dirty = true;
         }
+        
+        m_timer-> start ( 1500, true );
+        
+        excllock = false;
 }