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(see "opaque drag/XGrabPointer latency/kwin patch" message for explanation)

here's the second version of the patch - a bit cleaner, and doesn't break=20
magnetic borders/workspace as the previous one. it also applies the hack to=
=20
resize.

aviv
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Common subdirectories: kwin.orig/.deps and kwin/.deps
diff -U 3 -H -b -B -d -N -a -- kwin.orig/client.cpp kwin/client.cpp
--- kwin.orig/client.cpp	Sun Jul 21 22:04:10 2002
+++ kwin/client.cpp	Sun Jul 21 21:56:01 2002
@@ -34,6 +34,8 @@
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/extensions/shape.h>
+#include "main.h"
+#include <kapp.h>
 
 // Needed for --enable-final
 // XIconincState is defined in workspace.cpp
@@ -593,11 +595,11 @@
 {
     moveResizeMode = true;
     workspace()->setClientIsMoving(this);
-    grabMouse( cursor() );
-    grabKeyboard();
     if ( ( isMove() && options->moveMode != Options::Opaque )
       || ( isResize() && options->resizeMode != Options::Opaque ) )
         XGrabServer( qt_xdisplay() );
+    else
+    	((Application*)kapp)->startTrack(this);
 }
 
 void Client::stopMoveResize()
@@ -605,8 +607,6 @@
     if ( ( isMove() && options->moveMode != Options::Opaque )
       || ( isResize() && options->resizeMode != Options::Opaque ) )
         XUngrabServer( qt_xdisplay() );
-    releaseKeyboard();
-    releaseMouse();
     workspace()->setClientIsMoving(0);
     moveResizeMode = false;
 }
@@ -1611,6 +1612,7 @@
     QPoint mp( geometry().right() - mpsize.width() + 1,
                geometry().bottom() - mpsize.height() + 1 );
 
+	       
     geom = geometry();
     switch ( mode ) {
     case TopLeft:
@@ -1648,6 +1650,7 @@
     QRect desktopArea = workspace()->clientArea(e->globalPos());
     int marge = 5;
 
+    
     if ( isResize() && geom.size() != size() ) {
         if (geom.bottom() < desktopArea.top()+marge)
             geom.setBottom(desktopArea.top()+marge);
diff -U 3 -H -b -B -d -N -a -- kwin.orig/client.h kwin/client.h
--- kwin.orig/client.h	Sun Jul 21 22:04:10 2002
+++ kwin/client.h	Sun Jul 21 20:54:19 2002
@@ -102,6 +102,8 @@
     QPixmap icon() const;
     QPixmap miniIcon() const;
 
+    void fakeReleaseEvent(QMouseEvent *e) { mouseReleaseEvent(e);}
+    void fakeMoveEvent(QMouseEvent *e) { mouseMoveEvent(e); }
 
     // is the window in withdrawn state?
     bool isWithdrawn(){
diff -U 3 -H -b -B -d -N -a -- kwin.orig/main.cpp kwin/main.cpp
--- kwin.orig/main.cpp	Sun Jul 21 22:04:10 2002
+++ kwin/main.cpp	Sun Jul 21 21:56:12 2002
@@ -34,6 +34,9 @@
 #include <kaboutdata.h>
 #include <klocale.h>
 #include <kcrash.h>
+#include <qevent.h>
+#include "client.h"
+
 
 using namespace KWinInternal;
 
@@ -113,6 +116,7 @@
         kwin_screen_number = DefaultScreen(qt_xdisplay());
 
     initting = TRUE; // startup....
+    m_pTrackWin = NULL;
 
     // install X11 error handler
     XSetErrorHandler( x11ErrorHandler );
@@ -130,6 +134,19 @@
     syncX(); // trigger possible errors, there's still a chance to abort
 
     initting = FALSE; // startup done, we are up and running now.
+    
+    unsigned long  attr_mask =  CWEventMask;  
+    XSetWindowAttributes     attributes;
+    attributes.event_mask         =  ButtonMotionMask;
+    m_EventWindow = XCreateWindow(qt_xdisplay(),
+                          RootWindow(qt_xdisplay(), DefaultScreen(qt_xdisplay())),
+                          0, 0,
+                          QApplication::desktop()->width(), QApplication::desktop()->height(),
+			  0,
+                          0,InputOnly,CopyFromParent,
+			  attr_mask,&attributes);
+			  			    
+    
     dcopClient()->send( "ksplash", "", "upAndRunning(QString)", QString("wm started"));
     
     if ( isSessionRestored() )
@@ -144,11 +161,48 @@
 }
 
 
+void Application::startTrack(KWinInternal::Client *pWin)
+{
+     m_pTrackWin = pWin;
+
+     XMapRaised(qt_xdisplay(),m_EventWindow);
+     XGrabPointer(qt_xdisplay(),m_EventWindow,FALSE,ButtonMotionMask|ButtonReleaseMask,
+     			GrabModeAsync,GrabModeAsync,m_EventWindow,None,CurrentTime);
+}
+    
 
 bool Application::x11EventFilter( XEvent *e )
 {
     if ( Workspace::self()->workspaceEvent( e ) )
 	     return TRUE;
+	     
+    if (e->xany.window == m_EventWindow) {
+    	
+    	if (m_pTrackWin == NULL) {
+		// report error
+		return TRUE;
+	}	     
+	
+	QPoint global_pos(((XMotionEvent*)e)->x,((XMotionEvent*)e)->y);
+	QPoint pos(((XMotionEvent*)e)->x - m_pTrackWin->x(),((XMotionEvent*)e)->y - m_pTrackWin->y());
+		
+	if (e->type == ButtonRelease) {
+		QMouseEvent fake(QEvent::MouseButtonRelease,pos,global_pos,0,0);
+		m_pTrackWin->fakeReleaseEvent(&fake);
+		XUngrabPointer(qt_xdisplay(),CurrentTime);
+		XUnmapWindow(qt_xdisplay(),m_EventWindow);
+		m_pTrackWin = NULL;		
+		return TRUE;
+	}
+
+	if (e->type == MotionNotify) {	
+		QMouseEvent fake(QEvent::MouseMove,pos,global_pos,0,0);
+		m_pTrackWin->fakeMoveEvent(&fake);
+		return TRUE;
+	}		  
+    }
+	
+	   
      return KApplication::x11EventFilter( e );
 }
 
diff -U 3 -H -b -B -d -N -a -- kwin.orig/main.h kwin/main.h
--- kwin.orig/main.h	Sun Jul 21 22:04:10 2002
+++ kwin/main.h	Sun Jul 21 20:58:06 2002
@@ -8,6 +8,9 @@
 
 #include <kapplication.h>
 #include "workspace.h"
+#include <qwidget.h>
+
+class KWinInternal::Client;
 
 class Application : public  KApplication
 {
@@ -15,8 +18,13 @@
     Application();
     ~Application();
 
+    void startTrack(KWinInternal::Client *pWin);
+    
 protected:
     bool x11EventFilter( XEvent * );
+    
+    Window	m_EventWindow;
+    KWinInternal::Client*	m_pTrackWin;
 };
 
 

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