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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 )
{
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