void QSint::ScrollPanner::mouseMoveEvent(QMouseEvent *event)
{
if (m_panning && event->buttons() & Qt::LeftButton)
{
m_valueXpan = event->pos().x() + m_oldX;
if (m_valueXpan < 0)
m_valueXpan = 0;
else
if (m_valueXpan >= (width()-m_sizeXpan))
m_valueXpan = width()-m_sizeXpan;
double dx = double(width()) / double(m_sizeX);
int viewX = double(m_valueXpan) / dx + m_minX;
emit scrollHorizontal(viewX);
m_valueYpan = event->pos().y() + m_oldY;
if (m_valueYpan < 0)
m_valueYpan = 0;
else
if (m_valueYpan >= (height()-m_sizeYpan))
m_valueYpan = height()-m_sizeYpan;
double dy = double(height()) / double(m_sizeY);
int viewY = double(m_valueYpan) / dy + m_minY;
emit scrollVertical(viewY);
}
}
void LLScrollContainer::updateScroll()
{
if (!mScrolledView)
{
return;
}
static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
LLRect doc_rect = mScrolledView->getRect();
S32 doc_width = doc_rect.getWidth();
S32 doc_height = doc_rect.getHeight();
S32 visible_width = 0;
S32 visible_height = 0;
BOOL show_v_scrollbar = FALSE;
BOOL show_h_scrollbar = FALSE;
calcVisibleSize( &visible_width, &visible_height, &show_h_scrollbar, &show_v_scrollbar );
S32 border_width = getBorderWidth();
if( show_v_scrollbar )
{
if( doc_rect.mTop < getRect().getHeight() - border_width )
{
mScrolledView->translate( 0, getRect().getHeight() - border_width - doc_rect.mTop );
}
scrollVertical( mScrollbar[VERTICAL]->getDocPos() );
mScrollbar[VERTICAL]->setVisible( TRUE );
S32 v_scrollbar_height = visible_height;
if( !show_h_scrollbar && mReserveScrollCorner )
{
v_scrollbar_height -= scrollbar_size;
}
mScrollbar[VERTICAL]->reshape( scrollbar_size, v_scrollbar_height, TRUE );
// Make room for the horizontal scrollbar (or not)
S32 v_scrollbar_offset = 0;
if( show_h_scrollbar || mReserveScrollCorner )
{
v_scrollbar_offset = scrollbar_size;
}
LLRect r = mScrollbar[VERTICAL]->getRect();
r.translate( 0, mInnerRect.mBottom - r.mBottom + v_scrollbar_offset );
mScrollbar[VERTICAL]->setRect( r );
}
else
{
mScrolledView->translate( 0, getRect().getHeight() - border_width - doc_rect.mTop );
mScrollbar[VERTICAL]->setVisible( FALSE );
mScrollbar[VERTICAL]->setDocPos( 0 );
}
if( show_h_scrollbar )
{
if( doc_rect.mLeft > border_width )
{
mScrolledView->translate( border_width - doc_rect.mLeft, 0 );
mScrollbar[HORIZONTAL]->setDocPos( 0 );
}
else
{
scrollHorizontal( mScrollbar[HORIZONTAL]->getDocPos() );
}
mScrollbar[HORIZONTAL]->setVisible( TRUE );
S32 h_scrollbar_width = visible_width;
if( !show_v_scrollbar && mReserveScrollCorner )
{
h_scrollbar_width -= scrollbar_size;
}
mScrollbar[HORIZONTAL]->reshape( h_scrollbar_width, scrollbar_size, TRUE );
}
else
{
mScrolledView->translate( border_width - doc_rect.mLeft, 0 );
mScrollbar[HORIZONTAL]->setVisible( FALSE );
mScrollbar[HORIZONTAL]->setDocPos( 0 );
}
mScrollbar[HORIZONTAL]->setDocSize( doc_width );
mScrollbar[HORIZONTAL]->setPageSize( visible_width );
mScrollbar[VERTICAL]->setDocSize( doc_height );
mScrollbar[VERTICAL]->setPageSize( visible_height );
} // end updateScroll
void CZoomDlg::scrollLeft() {
scrollHorizontal(-40);
}
void CZoomDlg::scrollRight() {
scrollHorizontal(40);
}
