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tdebase/kicker/extensions/kasbar/kasgroupitem.cpp

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/* kasgroupitem.cpp
**
** Copyright (C) 2001-2004 Richard Moore <rich@kde.org>
** Contributor: Mosfet
** All rights reserved.
**
** KasBar is dual-licensed: you can choose the GPL or the BSD license.
** Short forms of both licenses are included below.
*/
/*
** 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 in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
** MA 02110-1301, USA.
*/
/*
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
** SUCH DAMAGE.
*/
/*
** Bug reports and questions can be sent to kde-devel@kde.org
*/
#include <tqpainter.h>
#include <tqbitmap.h>
#include <tqtimer.h>
#include <tqwmatrix.h>
#include <kdebug.h>
#include <kglobal.h>
#include <twin.h>
#include <kiconloader.h>
#include <kpixmap.h>
#include <kpixmapeffect.h>
#include <kpopupmenu.h>
#include <klocale.h>
#include <taskmanager.h>
#include <taskrmbmenu.h>
#include "kastasker.h"
#include "kaspopup.h"
#include "kasgroupitem.h"
#include "kasgroupitem.moc"
KasGroupItem::KasGroupItem( KasTasker *parent )
: KasItem( parent ), items(), groupType_( GroupRelated )
{
setCustomPopup( true );
setGroupItem( true );
setText( i18n("Group") );
connect( parent, TQT_SIGNAL( layoutChanged() ), this, TQT_SLOT( hidePopup() ) );
connect( parent, TQT_SIGNAL( layoutChanged() ), this, TQT_SLOT( update() ) );
connect( this, TQT_SIGNAL(leftButtonClicked(TQMouseEvent *)), TQT_SLOT(togglePopup()) );
connect( this, TQT_SIGNAL(rightButtonClicked(TQMouseEvent *)), TQT_SLOT(showGroupMenuAt(TQMouseEvent *) ) );
}
KasGroupItem::~KasGroupItem()
{
}
KasTasker *KasGroupItem::kasbar() const
{
return static_cast<KasTasker *> (KasItem::kasbar());
}
void KasGroupItem::addTask( Task::Ptr t )
{
if (!t)
return;
items.append( t );
if ( items.count() == 1 ) {
setText( t->visibleName() );
updateIcon();
}
connect( t, TQT_SIGNAL( changed(bool) ), this, TQT_SLOT( update() ) );
update();
}
void KasGroupItem::removeTask( Task::Ptr t )
{
if ( !t )
return;
hidePopup();
for (Task::List::iterator it = items.begin(); it != items.end();)
{
if ((*it) == t)
{
it = items.erase(it);
}
else
{
++it;
}
}
updateIcon();
if ( items.count() == 1 )
kasbar()->moveToMain( this, items.first() );
}
void KasGroupItem::updateIcon()
{
TQPixmap p;
bool usedIconLoader = false;
Task::Ptr t = items.first();
if (!t)
p = KGlobal::iconLoader()->loadIcon( "kicker",
KIcon::NoGroup,
KIcon::SizeSmall );
int sizes[] = { KIcon::SizeEnormous,
KIcon::SizeHuge,
KIcon::SizeLarge,
KIcon::SizeMedium,
KIcon::SizeSmall };
p = t->bestIcon( sizes[kasbar()->itemSize()], usedIconLoader );
if ( p.isNull() )
p = KGlobal::iconLoader()->loadIcon( "error", KIcon::NoGroup, KIcon::SizeSmall );
setIcon( p );
}
void KasGroupItem::paint( TQPainter *p )
{
KasItem::paint( p );
//
// Item summary info
//
int modCount = 0;
for ( Task::List::iterator it = items.begin(); it != items.end() ; ++it ) {
if ( (*it)->isModified() )
modCount++;
}
KasResources *res = resources();
p->setPen( isShowingPopup() ? res->activePenColor() : res->inactivePenColor() );
if ( modCount ) {
TQString modCountStr;
modCountStr.setNum( modCount );
p->drawText( extent()-fontMetrics().width( modCountStr )-3,
15+fontMetrics().ascent(),
modCountStr );
p->drawPixmap( extent()-12, 29, res->modifiedIcon() );
}
int microsPerCol;
switch( kasbar()->itemSize() ) {
default:
case KasBar::Small:
microsPerCol = 2;
break;
case KasBar::Medium:
microsPerCol = 4;
break;
case KasBar::Large:
microsPerCol = 7;
break;
case KasBar::Huge:
microsPerCol = 9;
break;
case KasBar::Enormous:
microsPerCol = 16;
break;
}
int xpos = 3;
int ypos = 16;
for ( int i = 0; ( i < (int) items.count() ) && ( i < microsPerCol ); i++ ) {
Task::Ptr t = items.at( i );
if( t->isIconified() )
p->drawPixmap( xpos, ypos, res->microMinIcon() );
else if ( t->isShaded() )
p->drawPixmap( xpos, ypos, res->microShadeIcon() );
else
p->drawPixmap( xpos, ypos, res->microMaxIcon() );
ypos += 7;
}
if ( ((int) items.count() > microsPerCol) && ( kasbar()->itemSize() != KasBar::Small ) ) {
TQString countStr;
countStr.setNum( items.count() );
p->drawText( extent()-fontMetrics().width( countStr )-3,
extent()+fontMetrics().ascent()-16,
countStr );
}
}
void KasGroupItem::updatePopup()
{
if ( bar ) {
bar->rereadMaster();
bar->clear();
if ( items.count() ) {
for ( Task::List::iterator t = items.begin(); t != items.end(); ++t ) {
bar->addTask( *t );
}
}
bar->updateLayout();
if ( popup() )
popup()->resize( bar->size() );
}
}
KasPopup *KasGroupItem::createPopup()
{
KasPopup *pop = new KasPopup( this );
bar = kasbar()->createChildBar( ( kasbar()->orientation() == Qt::Horizontal ) ? Qt::Vertical : Qt::Horizontal, pop );
connect( pop, TQT_SIGNAL(shown()), TQT_SLOT(updatePopup()) );
return pop;
// // Test code
// //
// // This generates cool looking fractal-like patterns if you keep unfolding the
// // groups!
// int pos = (int) this;
// if ( pos % 2 )
// bar->append( new KasItem( bar ) );
// if ( pos % 5 )
// bar->append( new KasItem( bar ) );
// bar->append( new KasGroupItem( bar ) );
// if ( pos % 3 )
// bar->append( new KasItem( bar ) );
// if ( pos % 7 )
// bar->append( new KasItem( bar ) );
// ////////////
}
void KasGroupItem::ungroup()
{
kasbar()->moveToMain( this );
}
void KasGroupItem::showGroupMenuAt( TQMouseEvent *ev )
{
showGroupMenuAt( ev->globalPos() );
}
void KasGroupItem::showGroupMenuAt( const TQPoint &p )
{
TaskRMBMenu *tm = new TaskRMBMenu(items, true, kasbar());
tm->insertItem( i18n("&Ungroup" ), this, TQT_SLOT( ungroup() ) );
tm->insertSeparator();
tm->insertItem( i18n("&Kasbar"), kasbar()->contextMenu() );
setLockPopup( true );
tm->exec( p );
delete tm;
setLockPopup( false );
}