Backport of the LeftHand patch from Qt2.3.8

Puts Scrollbar on the left for people using the right hand
to hold the devices



diff -u qt-2.3.7_orig/src/widgets/qscrollview.cpp qt-2.3.7/src/widgets/qscrollview.cpp
--- qt-2.3.7_orig/src/widgets/qscrollview.cpp	2004-06-13 20:42:54.000000000 +0200
+++ qt-2.3.7/src/widgets/qscrollview.cpp	2004-06-13 20:45:16.000000000 +0200
@@ -526,15 +526,16 @@
 	     this, SLOT( doDragAutoScroll() ) );
 #endif
 
-    connect( &d->hbar, SIGNAL( valueChanged( int ) ),
-	this, SLOT( hslide( int ) ) );
-    connect( &d->vbar, SIGNAL( valueChanged( int ) ),
-	this, SLOT( vslide( int ) ) );
+    connect( &d->hbar, SIGNAL( valueChanged(int) ),
+	this, SLOT( hslide(int) ) );
+    connect( &d->vbar, SIGNAL( valueChanged(int) ),
+	this, SLOT( vslide(int) ) );
     d->viewport.installEventFilter( this );
 
     setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
     setLineWidth( style().defaultFrameWidth() );
     setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
+
 }
 
 
@@ -683,6 +684,11 @@
 		  h-tmarg-bmarg - (showh ? hsbExt : 0) );
 }
 
+/*
+  The surrounding environment (or application, if there is no
+  environment, may set this. Requires Qt >= 2.3.8.
+*/
+bool qt_left_hand_scrollbars = FALSE;
 
 /*!
   Updates scrollbars - all possibilities considered.  You should never
@@ -786,45 +792,50 @@
 
     // Position the scrollbars, viewport, and corner widget.
     int bottom;
+    int xoffset = ( qt_left_hand_scrollbars && ( showv || cornerWidget() ) ) ? vsbExt : 0;
+    int xpos    =   qt_left_hand_scrollbars ? 0 : w-vsbExt;
+    xpos    =  (style() == WindowsStyle) && qt_left_hand_scrollbars ? xpos + fw : xpos - fw;
+    int ypos    = tmarg;
+    ypos        = (style() == WindowsStyle) ? ypos +fw : 0;
     if ( showh ) {
 	int right = ( showv || cornerWidget() ) ? w-vsbExt : w;
 	if ( style() == WindowsStyle )
-            setHBarGeometry(d->hbar, fw, h-hsbExt-fw,
+            setHBarGeometry(d->hbar, fw + xoffset , h-hsbExt-fw,
                             right-fw-fw, hsbExt );
 	else
-            setHBarGeometry(d->hbar, 0, h-hsbExt, right,
+            setHBarGeometry(d->hbar, 0+  xoffset, h-hsbExt, right,
                             hsbExt );
 	bottom=h-hsbExt;
     } else {
         bottom=h;
     }
     if ( showv ) {
-	clipper()->setGeometry( lmarg, tmarg,
+	clipper()->setGeometry( lmarg + xoffset, tmarg,
                                 w-vsbExt-lmarg-rmarg,
                                 bottom-tmarg-bmarg );
 	d->viewportResized( w-vsbExt-lmarg-rmarg, bottom-tmarg-bmarg );
 	if ( style() == WindowsStyle )
-	    changeFrameRect(QRect(0, 0, w, h) );
+	    changeFrameRect(QRect(xoffset, 0, w, h) );
 	else
-	    changeFrameRect(QRect(0, 0, w-vsbExt, bottom));
+	    changeFrameRect(QRect(xoffset, 0, w-vsbExt, bottom));
 	if (cornerWidget()) {
 	    if ( style() == WindowsStyle )
-                setVBarGeometry( d->vbar, w-vsbExt-fw,
-                                 fw, vsbExt,
-                                 h-hsbExt-fw-fw );
+                setVBarGeometry( d->vbar, xpos,
+                                 ypos, vsbExt,
+                                 bottom-fw-ypos );
 	    else
-                setVBarGeometry( d->vbar, w-vsbExt, 0,
+                setVBarGeometry( d->vbar, xpos, ypos,
                                  vsbExt,
-                                 h-hsbExt );
+                                 bottom-ypos );
 	}
 	else {
 	    if ( style() == WindowsStyle )
-                setVBarGeometry( d->vbar, w-vsbExt-fw,
-                                 fw, vsbExt,
-                                 bottom-fw-fw );
+                setVBarGeometry( d->vbar, xpos,
+                                 ypos, vsbExt,
+                                 bottom-fw-ypos );
 	    else
-                setVBarGeometry( d->vbar, w-vsbExt, 0,
-                                 vsbExt, bottom );
+                setVBarGeometry( d->vbar, xpos, ypos,
+                                 vsbExt, bottom-ypos );
 	}
     } else {
 	if ( style() == WindowsStyle )
@@ -837,12 +848,12 @@
     }
     if ( d->corner ) {
 	if ( style() == WindowsStyle )
-            d->corner->setGeometry( w-vsbExt-fw,
+            d->corner->setGeometry( xpos,
                                     h-hsbExt-fw,
                                     vsbExt,
                                     hsbExt );
 	else
-            d->corner->setGeometry( w-vsbExt,
+            d->corner->setGeometry( xpos,
                                     h-hsbExt,
                                     vsbExt,
                                     hsbExt );
@@ -1675,7 +1686,7 @@
 }
 
 /*!
- Scrolls the content by \a x to the left and \a y upwards.
+ Scrolls the content by \a dx to the left and \a dy upwards.
 */
 void QScrollView::scrollBy( int dx, int dy )
 {