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tork/src/kwidgetlistbox.cpp

224 lines
5.2 KiB

/***************************************************************************
* Copyright (C) 2005 Petri Damst<EFBFBD> <petri.damsten@iki.fi> *
* *
* 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. *
* *
* This program 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 this program; 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 <tdeglobalsettings.h>
#include <hitwidget.h>
KWidgetListbox::KWidgetListbox(TQWidget *parent, const char *name)
: TQTable(parent, name)
{
setNumRows(0);
setNumCols(1);
setColumnStretchable(0, true);
setLeftMargin(0);
setTopMargin(0);
horizontalHeader()->hide();
verticalHeader()->hide();
setSelectionMode(TQTable::NoSelection);
setFocusStyle(TQTable::FollowStyle);
connect(this, SIGNAL(currentChanged(int, int)),
this, SLOT(selectionChanged(int, int)));
setHScrollBarMode(TQScrollView::AlwaysOff);
setVScrollBarMode(TQScrollView::Auto);
}
KWidgetListbox::~KWidgetListbox()
{
clear();
}
void KWidgetListbox::clear()
{
for(int i = 0; i < numRows(); ++i)
clearCellWidget(i, 0);
setNumRows(0);
}
int KWidgetListbox::insertItem(TQWidget* item, int index)
{
int row;
if(index == -1 || numRows()==0)
{
row = numRows();
setNumRows(row + 1);
}
else {
row = index;
insertRows(row);
}
item->setMinimumWidth( width() );
item->adjustSize();
HitWidget* hit = dynamic_cast<HitWidget*>(item);
if (hit && hit->isCollapsed())
//#warning fixme
setRowHeight(row, 30);
else
setRowHeight(row, item->sizeHint().height());
setCellWidget(row, 0, item);
setItemColors(row, even(row));
return row;
}
void KWidgetListbox::adjustSize(TQWidget* item)
{
item->setMinimumWidth( columnWidth(0) );
item->adjustSize();
HitWidget* hit = (HitWidget*)item;
if (hit->isCollapsed())
setRowHeight(index(item), 28);
else
setRowHeight(index(item), item->height());
}
void KWidgetListbox::setSelected(TQWidget* item)
{
setSelected(index(item));
}
void KWidgetListbox::selectionChanged(int row, int col)
{
ensureCellVisible(row, col);
updateColors();
emit selected(row);
}
void KWidgetListbox::removeItem(TQWidget* 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();
}
TQWidget* KWidgetListbox::selectedItem() const
{
return item(selected());
}
TQWidget* KWidgetListbox::item(int index) const
{
return cellWidget(index, 0);
}
int KWidgetListbox::index(TQWidget* 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)
{
TQWidget* itm = item(index);
if (!itm)
return;
if(index == selected())
{
itm->setPaletteBackgroundColor(TDEGlobalSettings::highlightColor());
itm->setPaletteForegroundColor(TDEGlobalSettings::highlightedTextColor());
}
else if(even)
{
itm->setPaletteBackgroundColor(TDEGlobalSettings::baseColor());
itm->setPaletteForegroundColor(TDEGlobalSettings::textColor());
}
else
{
itm->setPaletteBackgroundColor(
TDEGlobalSettings::alternateBackgroundColor());
itm->setPaletteForegroundColor(TDEGlobalSettings::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(TQShowEvent*)
{
repaintContents(false);
}
void KWidgetListbox::paintCell(TQPainter*, int, int, const TQRect&,
bool, const TQColorGroup&)
{
}
#include "kwidgetlistbox.moc"