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/***************************************************************************
* Copyright (C) 2003-2005 by liuspider *
* liuspider@users.sourceforge.net *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "scimlistbox.h"
#include <qvariant.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qwidget.h>
#include <qsize.h>
ScimListBox::ScimListBox(QWidget *parent, const char *name, bool _isVertical)
: ScimDragableFrame(parent, parent, name), curSelection(0)
{
setSizePolicy( QSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum, 0, 0) );
QBoxLayout::Direction defaultLayoutDirection = QBoxLayout::LeftToRight;
if(_isVertical)
defaultLayoutDirection = QBoxLayout::TopToBottom;
layout = new QBoxLayout( this, defaultLayoutDirection, 3, 2, "defaultLayout");
layout->setResizeMode( QLayout::FreeResize );
for(int i=0; i < MAX_CANDIDATES; i++)
{
candidatesLbl[i] = new ScimStringListItem(this);
candidatesLbl[i]->setFrameStyle( QFrame::NoFrame );
candidatesLbl[i]->hide();
candidatesLbl[i]->installEventFilter(this);
candidatesLblIndexHash[candidatesLbl[i]] = i;
layout->addWidget(candidatesLbl[i]);
}
}
bool ScimListBox::eventFilter ( QObject * o, QEvent * e )
{
if(candidatesLblIndexHash.contains(o))
if(e->type() == QEvent::MouseButtonPress)
{
emit itemSelected(candidatesLblIndexHash[o]);
}
return false;
}
void ScimListBox::setVertical(bool b)
{
QBoxLayout::Direction defaultLayoutDirection = QBoxLayout::LeftToRight;
if(b)
defaultLayoutDirection = QBoxLayout::TopToBottom;
layout->setDirection(defaultLayoutDirection);
}
unsigned ScimListBox::updateContent( const QStringList & labellist,
const QStringList & lookupstringlist,
QValueList<scim::AttributeList> & attrslist,
const bool pagesizefixed)
{
static int max_width = m_screen.width() / 3;
unsigned allitems = lookupstringlist.size();
unsigned counter = 0;
static QString labelSeparator, separator = " ";
if(QBoxLayout::LeftToRight == layout->direction()) {
labelSeparator = ".";
} else {
labelSeparator = ". ";
}
QString cache;
scim::AttributeList attrs;
scim::Attribute highlight;
highlight.set_type(scim::SCIM_ATTR_DECORATE);
highlight.set_value(scim::SCIM_ATTR_DECORATE_HIGHLIGHT);
bool insertHighlight = false;
static int cachedWidth = 0, curwidth;
cachedWidth = 0;
for(; counter < allitems && counter < MAX_CANDIDATES; counter++)
{
if(labellist[counter].isEmpty())
cache = "";
else //only add the label if it is not empty
cache = labellist[counter] + labelSeparator;
attrs.clear();
insertHighlight = (curSelection == counter);
if(insertHighlight)
{
highlight.set_start(0);
highlight.set_length(cache.length() + lookupstringlist[counter].length());
attrs.push_back(highlight);
}
for(size_t j = 0; j < attrslist[counter].size(); j++)
{
attrslist[counter][j].set_start(attrslist[counter][j].get_start() + cache.length());
attrs.push_back(attrslist[counter][j]);
}
candidatesLbl[counter]->setText(cache + lookupstringlist[counter] + separator, attrs);
candidatesLbl[counter]->show();
if(layout->direction() != QBoxLayout::TopToBottom && !pagesizefixed)
{
curwidth = candidatesLbl[counter]->minimumSizeHint().width();
if(cachedWidth + curwidth > max_width)
{
counter++;
break;
}
else
cachedWidth += curwidth;
}
}
for(int leftItems = counter; leftItems < MAX_CANDIDATES; leftItems++)
candidatesLbl[leftItems]->hide();
return counter;
}
void ScimListBox::updateHighlight(int i)
{
curSelection = i;
}
#include "scimlistbox.moc"
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