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tdepim/knode/knhdrviewitem.cpp

295 lines
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/*
knhdrviewitem.cpp
KNode, the KDE newsreader
Copyright (c) 1999-2004 the KNode authors.
See file AUTHORS for details
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.
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, US
*/
#include <tqdragobject.h>
#include <tqpainter.h>
#include <kdeversion.h>
#include <kdebug.h>
#include <kstringhandler.h>
#include "knglobals.h"
#include "knconfigmanager.h"
#include "knhdrviewitem.h"
#include "knarticle.h"
#include "headerview.h"
KNHdrViewItem::KNHdrViewItem( KNHeaderView *ref, KNArticle *a ) :
KListViewItem( ref )
{
init( a );
}
KNHdrViewItem::KNHdrViewItem( KNHdrViewItem *ref, KNArticle *a ) :
KListViewItem( ref )
{
init( a );
}
void KNHdrViewItem::init( KNArticle *a )
{
art = a;
mActive = false;
for ( int i = 0; i < 5; ++i) // FIXME hardcoded column count
mShowToolTip[i] = false;
}
KNHdrViewItem::~KNHdrViewItem()
{
if (mActive) {
TQListView *lv = listView();
if (lv)
static_cast<KNHeaderView*>( lv )->activeRemoved();
}
if (art) art->setListItem( 0 );
}
void KNHdrViewItem::expandChildren()
{
TQListViewItemIterator it( firstChild() );
for ( ; it.current(); ++it) {
if (it.current()->depth() <= depth())
break;
it.current()->setOpen( true );
}
}
int KNHdrViewItem::compare( TQListViewItem *i, int col, bool ) const
{
KNArticle *otherArticle = static_cast<KNHdrViewItem*>( i )->art;
int diff = 0;
time_t date1 = 0, date2 = 0;
switch (col) {
case 0:
case 1:
return text( col ).localeAwareCompare( i->text(col) );
case 2:
if (art->type() == KMime::Base::ATremote) {
diff = static_cast<KNRemoteArticle*>( art )->score() - static_cast<KNRemoteArticle*>( otherArticle )->score();
return (diff < 0 ? -1 : diff > 0 ? 1 : 0);
} else
return 0;
case 3:
diff = art->lines()->numberOfLines() - otherArticle->lines()->numberOfLines();
return (diff < 0 ? -1 : diff > 0 ? 1 : 0);
case 4:
date1 = art->date()->unixTime();
date2 = otherArticle->date()->unixTime();
if (art->type() == KMime::Base::ATremote && static_cast<KNHeaderView*>( listView() )->sortByThreadChangeDate()) {
if (static_cast<KNRemoteArticle*>( art )->subThreadChangeDate() > date1)
date1 = static_cast<KNRemoteArticle*>( art )->subThreadChangeDate();
if (static_cast<KNRemoteArticle*>( otherArticle )->subThreadChangeDate() > date2)
date2 = static_cast<KNRemoteArticle*>( otherArticle )->subThreadChangeDate();
}
diff = date1 - date2;
return (diff < 0 ? -1 : diff > 0 ? 1 : 0);
default:
return 0;
}
}
void KNHdrViewItem::paintCell( TQPainter *p, const TQColorGroup &cg, int column, int width, int tqalignment )
{
int xText = 0, xPM = 3, yPM = 0;
TQColor base;
const KPaintInfo *paintInfo = static_cast<KNHeaderView*>( listView() )->paintInfo();
TQPen pen = p->pen();
if (isSelected() || mActive) {
pen.setColor( cg.highlightedText() );
base = cg.highlight();
} else {
if (greyOut())
pen.setColor( greyColor() );
else
pen.setColor( normalColor() );
base = backgroundColor( column );
}
p->setPen( pen );
p->fillRect( 0, 0, width, height(), TQBrush(base) );
if ( column == paintInfo->subCol ) {
TQFont font = p->font();
font.setBold( firstColBold() );
p->setFont( font );
const TQPixmap *pm;
for (int i = 0; i < 4; i++) {
pm = pixmap( i );
if (pm && !pm->isNull()) {
yPM = (height() - pm->height()) / 2;
p->drawPixmap( xPM, yPM, *pm );
xPM += pm->width() + 3;
}
}
xText = xPM;
}
if (width - xText - 5 > 0) {
int cntWidth = 0;
TQString t2;
TQFont f2;
if (countUnreadInThread() > 0 && column == paintInfo->subCol && !isOpen()) {
t2 = TQString( " (%1)" ).tqarg( countUnreadInThread() );
f2 = p->font();
f2.setBold( true );
cntWidth = TQFontMetrics( f2 ).width( t2, -1 );
}
TQString t = KStringHandler::rPixelSqueeze( text( column ), p->fontMetrics(), width - xText - cntWidth - 5 );
// show tooltip if we have to squeeze the text
if ( t != text( column ) )
mShowToolTip[column] = true;
else
mShowToolTip[column] = false;
p->drawText( xText, 0, width - xText - 5, height(), tqalignment | AlignVCenter, t );
if (cntWidth) {
TQFont orig = p->font();
p->setFont( f2 );
TQPen pen = p->pen();
if (isSelected() || mActive) {
pen.setColor( cg.highlightedText() );
} else {
pen.setColor( cg.link() );
}
p->setPen( pen );
p->drawText( xText + TQFontMetrics( orig ).width( t, -1 ), 0, width - xText - 5, height(), tqalignment | AlignVCenter, t2 );
}
}
}
int KNHdrViewItem::width( const TQFontMetrics &fm, const TQListView *, int column )
{
int ret = fm.boundingRect( text(column) ).width();
const KPaintInfo *paintInfo = static_cast<KNHeaderView*>( listView() )->paintInfo();
// all pixmaps are drawn in the first column
if ( column == paintInfo->subCol ) {
const TQPixmap *pm;
for (int i = 0; i < 4; ++i) {
pm = pixmap( i );
if (pm && !pm->isNull())
ret += pm->width() + 3;
}
}
return ret;
}
TQString KNHdrViewItem::text( int col ) const
{
if ( !art )
return TQString();
KNHeaderView *hv = static_cast<KNHeaderView*>( listView() );
if ( col == hv->paintInfo()->subCol ) {
return art->subject()->asUnicodeString();
}
if ( col == hv->paintInfo()->sizeCol ) {
if ( art->lines()->numberOfLines() != -1 )
return TQString::number( art->lines()->numberOfLines() );
else
return TQString();
}
if ( col == hv->paintInfo()->scoreCol ) {
if ( art->type() == KMime::Base::ATremote )
return TQString::number( static_cast<KNRemoteArticle*>( art )->score() );
else
return TQString();
}
if ( col == hv->paintInfo()->dateCol ) {
return hv->mDateFormatter.dateString( art->date()->qdt() );
} else
return KListViewItem::text( col );
}
TQDragObject* KNHdrViewItem::dragObject()
{
TQDragObject *d = new TQStoredDrag( "x-knode-drag/article" , listView()->viewport() );
d->setPixmap( knGlobals.configManager()->appearance()->icon( KNConfig::Appearance::posting ) );
return d;
}
int KNHdrViewItem::countUnreadInThread()
{
int count = 0;
if (knGlobals.configManager()->readNewsGeneral()->showUnread()) {
if (art->type() == KMime::Base::ATremote) {
count = static_cast<KNRemoteArticle*>( art )->unreadFollowUps();
}
}
return count;
}
bool KNHdrViewItem::greyOut()
{
if (art->type() == KMime::Base::ATremote) {
return !static_cast<KNRemoteArticle*>( art )->hasUnreadFollowUps()
&& static_cast<KNRemoteArticle*>( art )->isRead();
} else
return false;
}
bool KNHdrViewItem::firstColBold()
{
if(art->type() == KMime::Base::ATremote)
return static_cast<KNRemoteArticle*>( art )->isNew();
else
return false;
}
TQColor KNHdrViewItem::normalColor()
{
if (art->type()==KMime::Base::ATremote)
return static_cast<KNRemoteArticle*>( art )->color();
else
return knGlobals.configManager()->appearance()->unreadThreadColor();
}
TQColor KNHdrViewItem::greyColor()
{
return knGlobals.configManager()->appearance()->readThreadColor();
}