int KompareSplitter::pageSize()
{
if(widget(0)) {
KompareListView *view = listView(0);
return view->visibleHeight() - view->style()->pixelMetric( QStyle::PM_ScrollBarExtent );
}
return 1;
}
void KompareSplitter::slotConfigChanged()
{
const int end = count();
for ( int i = 0; i < end; ++i ) {
KompareListView *view = listView(i);
view->setFont( m_settings->m_font );
view->update();
}
}
bool KompareSplitter::needHScrollBar()
{
const int end = count();
for ( int i = 0; i < end; ++i ) {
KompareListView *view = listView(i);
if ( view->contentsWidth() > view->visibleWidth() )
return true;
}
return false;
}
int KompareSplitter::pageSize()
{
QSplitterLayoutStruct *curr;
for ( curr = d->list.first(); curr; curr = d->list.next() )
{
if ( !curr->isHandle )
{
KompareListView *view = ((KompareListViewFrame*) curr->wid)->view();
return view->visibleHeight() - QStyle::PM_ScrollBarExtent;
}
}
return 1;
}
int KompareSplitter::maxHScrollId()
{
int max = 0;
int mHSId;
const int end = count();
for ( int i = 0; i < end; ++i ) {
KompareListView *view = listView(i);
mHSId = view->contentsWidth() - view->visibleWidth();
if ( mHSId > max )
max = mHSId;
}
return max;
}
bool KompareSplitter::needHScrollBar()
{
QSplitterLayoutStruct *curr;
for ( curr = d->list.first(); curr; curr = d->list.next() )
{
if( !curr->isHandle )
{
KompareListView *view = ((KompareListViewFrame*) curr->wid)->view();
if ( view->contentsWidth() > view->visibleWidth() )
return true;
}
}
return false;
}
int KompareSplitter::minVScrollId()
{
QSplitterLayoutStruct *curr;
int min = -1;
int mSId;
for ( curr = d->list.first(); curr; curr = d->list.next() )
{
if(!curr->isHandle) {
KompareListView* view = ((KompareListViewFrame*)curr->wid)->view();
mSId = view->minScrollId();
if (mSId < min || min == -1) min = mSId;
}
}
return ( min == -1 ) ? 0 : min;
}
int KompareSplitter::maxHScrollId()
{
QSplitterLayoutStruct *curr;
int max = 0;
int mHSId;
for ( curr = d->list.first(); curr; curr = d->list.next() )
{
if( !curr->isHandle )
{
KompareListView *view = ((KompareListViewFrame*) curr->wid)->view();
mHSId = view->contentsWidth() - view->visibleWidth();
if ( mHSId > max )
max = mHSId;
}
}
return max;
}
void KompareSplitter::slotUpdateScrollBars()
{
const int end = count();
for ( int i = 0; i < end; ++i ) {
KompareListView* lv = listView(i);
int minHScroll = minHScrollId();
if (lv->contentsX() < minHScroll) {
lv->setXOffset(minHScroll);
}
}
int m_scrollDistance = m_settings->m_scrollNoOfLines * lineHeight();
int m_pageSize = pageSize();
if( needVScrollBar() )
{
m_vScroll->show();
m_vScroll->blockSignals( true );
m_vScroll->setRange( minVScrollId(),
maxVScrollId() );
m_vScroll->setValue( scrollId() );
m_vScroll->setSingleStep( m_scrollDistance );
m_vScroll->setPageStep( m_pageSize );
m_vScroll->blockSignals( false );
}
else
{
m_vScroll->hide();
}
if( needHScrollBar() )
{
m_hScroll->show();
m_hScroll->blockSignals( true );
m_hScroll->setRange( minHScrollId(), maxHScrollId() );
m_hScroll->setValue( maxContentsX() );
m_hScroll->setSingleStep( 10 );
m_hScroll->setPageStep( minVisibleWidth() - 10 );
m_hScroll->blockSignals( false );
}
else
{
m_hScroll->hide();
}
}
