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tdeutils/superkaramba/src/kwidgetlistbox.cpp

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/*
* Copyright (C) 2005 Petri Damstén <petri.damsten@iki.fi>
*
* This file is part of SuperKaramba.
*
* SuperKaramba 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.
*
* SuperKaramba is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with SuperKaramba; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#include "kwidgetlistbox.h"
#include <kdebug.h>
#include <kglobalsettings.h>
KWidgetListbox::KWidgetListbox(QWidget *parent, const char *name)
: QTable(parent, name)
{
setNumRows(0);
setNumCols(1);
setColumnStretchable(0, true);
setLeftMargin(0);
setTopMargin(0);
horizontalHeader()->hide();
verticalHeader()->hide();
setSelectionMode(QTable::NoSelection);
setFocusStyle(QTable::FollowStyle);
connect(this, SIGNAL(currentChanged(int, int)),
this, SLOT(selectionChanged(int, int)));
setHScrollBarMode(QScrollView::AlwaysOff);
setVScrollBarMode(QScrollView::Auto);
}
KWidgetListbox::~KWidgetListbox()
{
clear();
}
void KWidgetListbox::clear()
{
for(int i = 0; i < numRows(); ++i)
clearCellWidget(i, 0);
setNumRows(0);
}
int KWidgetListbox::insertItem(QWidget* item, int index)
{
int row;
if(index == -1)
{
row = numRows();
setNumRows(row + 1);
}
else
return -1;
setRowHeight(row, item->height());
setCellWidget(row, 0, item);
setItemColors(row, even(row));
return row;
}
void KWidgetListbox::setSelected(QWidget* item)
{
setSelected(index(item));
}
void KWidgetListbox::selectionChanged(int row, int col)
{
ensureCellVisible(row, col);
updateColors();
emit selected(row);
}
void KWidgetListbox::removeItem(QWidget* item)
{
removeItem(index(item));
}
void KWidgetListbox::removeItem(int index)
{
removeRow(index);
updateColors();
}
void KWidgetListbox::setSelected(int index)
{
setCurrentCell(index, 0);
}
int KWidgetListbox::selected() const
{
return currentRow();
}
QWidget* KWidgetListbox::selectedItem() const
{
return item(selected());
}
QWidget* KWidgetListbox::item(int index) const
{
return cellWidget(index, 0);
}
int KWidgetListbox::index(QWidget* itm) const
{
for(int i = 0; i < numRows(); ++i)
if(item(i) == itm)
return i;
return -1;
}
bool KWidgetListbox::even(int index)
{
int v = 0;
for(int i = 0; i < numRows(); ++i)
{
if(index == i)
break;
if(!isRowHidden(i))
++v;
}
return (v%2 == 0);
}
void KWidgetListbox::updateColors()
{
int v = 0;
for(int i = 0; i < numRows(); ++i)
{
if(!isRowHidden(i))
{
setItemColors(i, (v%2 == 0));
++v;
}
}
}
void KWidgetListbox::setItemColors(int index, bool even)
{
QWidget* itm = item(index);
if(index == selected())
{
itm->setPaletteBackgroundColor(KGlobalSettings::highlightColor());
itm->setPaletteForegroundColor(KGlobalSettings::highlightedTextColor());
}
else if(even)
{
itm->setPaletteBackgroundColor(KGlobalSettings::baseColor());
itm->setPaletteForegroundColor(KGlobalSettings::textColor());
}
else
{
itm->setPaletteBackgroundColor(
KGlobalSettings::alternateBackgroundColor());
itm->setPaletteForegroundColor(KGlobalSettings::textColor());
}
}
void KWidgetListbox::showItems(show_callback func, void* data)
{
for(int i = 0; i < numRows(); ++i)
{
if(func == 0)
showRow(i);
else
{
if(func(i, item(i), data))
showRow(i);
else
hideRow(i);
}
}
updateColors();
}
void KWidgetListbox::showEvent(QShowEvent*)
{
//kdDebug() << k_funcinfo << endl;
repaintContents(false);
}
void KWidgetListbox::paintCell(QPainter*, int, int, const QRect&,
bool, const QColorGroup&)
{
//kdDebug() << k_funcinfo << endl;
}
#include "kwidgetlistbox.moc"