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///////////////////////////////////////////////////////////////////////////////
//
// File : kvi_listview.cpp
// Creation date : 19 Jan 2006 GMT by Alexey Uzhva
//
// This toolbar is part of the KVirc irc client distribution
// Copyright (C) 2006 Alexey Uzhva
// Copyright (C) 2006 Szymon Stefanek (pragma at kvirc dot 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 opinion) 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.
//
///////////////////////////////////////////////////////////////////////////////
#define __KVIRC__
#include "kvi_listview.h"
#include <tqpainter.h>
#include <tqpixmap.h>
#include "kvi_doublebuffer.h"
KviListView::KviListView( TQWidget * parent, const char * name)
:KviTalListView(parent)
{
m_pBackgroundOverlayPixmap=0;
m_iBackgroundOverlayAlignment=TQt::AlignAuto;
}
KviListView::~KviListView()
{
if(m_pBackgroundOverlayPixmap)
delete m_pBackgroundOverlayPixmap;
}
void KviListView::setBackgroundOverlayPixmap(TQPixmap * pix,int iAlignmentFlags)
{
setStaticBackground(TRUE);
viewport()->setBackgroundMode(TQWidget::NoBackground);
m_pBackgroundOverlayPixmap=new TQPixmap(*pix);
m_iBackgroundOverlayAlignment= TQt::AlignRight | TQt::AlignBottom;
repaintContents();
}
void KviListView::drawContentsOffset(TQPainter * p,int ox,int oy,int cx,int cy,int cw,int ch)
{
if(!m_pBackgroundOverlayPixmap)
{
KviTalListView::drawContentsOffset(p,ox,oy,cx,cy,cw,ch);
return;
}
if(cw <= 0)return; // this does happen
if(ch <= 0)return; // this does happen
KviDoubleBuffer pix(viewport()->width(),viewport()->height());
TQPixmap * pMemPixmap = pix.pixmap();
TQPainter pa(pMemPixmap);
int xx = cx - ox;
int yy = cy - oy;
pa.fillRect(TQRect(xx,yy,cw,ch),viewport()->backgroundColor());
//KviTalListView::paintEmptyArea(&pa,);
// compute the pixmap position
int x,y;
if(m_iBackgroundOverlayAlignment == TQt::AlignAuto)
x=y=0;
else {
if(m_iBackgroundOverlayAlignment & TQt::AlignLeft)
x=0;
else if ( m_iBackgroundOverlayAlignment & TQt::AlignRight )
x=viewport()->width() - m_pBackgroundOverlayPixmap->width();
else if( m_iBackgroundOverlayAlignment & TQt::AlignHCenter )
x=(viewport()->width() - m_pBackgroundOverlayPixmap->width())/2;
else
x=0;
if( m_iBackgroundOverlayAlignment & TQt::AlignTop )
y=0;
else if ( m_iBackgroundOverlayAlignment & TQt::AlignBottom )
y=viewport()->height() - m_pBackgroundOverlayPixmap->height();
else if ( m_iBackgroundOverlayAlignment & TQt::AlignVCenter )
y=(viewport()->height() - m_pBackgroundOverlayPixmap->height())/2;
else
y=0;
}
pa.drawPixmap(xx,yy,*m_pBackgroundOverlayPixmap,xx-x,yy-y,cw,ch);
// TQt's auto double buffering is buggy and can't be disabled... too bad :/
//
// Anyway, I've noticed that when double buffering is choosen (and
// TQt seems to have a really complex logic to choose when to enable it
// and when not) then the painter passed to paintCell() of the
// list view items is NOT this painter. It's the internal painter
// of the TQSharedDoubleBuffer private TQt class. It's screwed
// because of the multiple coordinate translations. With this
// widget we screw it even more just because our paintEmptyArea()
// does nothing and we do double buffering ourselves.
KviTalListView::drawContentsOffset(&pa,ox,oy,cx,cy,cw,ch);
p->drawPixmap(xx,yy,*pMemPixmap,xx,yy,cw,ch);
//p->drawPixmap(cx-ox,cy-oy,*pMemPixmap,0,0,cw,ch);
//KviTalListView::drawContentsOffset(p,ox,oy,cx,cy,cw,ch);
}
void KviListView::paintEmptyArea(TQPainter * p,const TQRect & rect)
{
if(!m_pBackgroundOverlayPixmap)
{
KviTalListView::paintEmptyArea(p,rect);
return;
}
// otherwise just do nothing (we're filling the background in drawContentsOffset)
/*
KviDoubleBuffer pix(rect.right()+1,rect.bottom()+1);
TQPixmap * pMemPixmap = pix.pixmap();
TQPainter pa(pMemPixmap);
pa.fillRect(rect,viewport()->backgroundColor());
KviTalListView::paintEmptyArea(&pa,rect);
TQPoint realTopLeft = p->xForm(rect.topLeft());
// compute the pixmap position
int x,y;
if(m_iBackgroundOverlayAlignment == TQt::AlignAuto)
x=y=0;
else {
if(m_iBackgroundOverlayAlignment & TQt::AlignLeft)
x=0;
else if ( m_iBackgroundOverlayAlignment & TQt::AlignRight )
x=viewport()->width() - m_pBackgroundOverlayPixmap->width();
else if( m_iBackgroundOverlayAlignment & TQt::AlignHCenter )
x=(viewport()->width() - m_pBackgroundOverlayPixmap->width())/2;
else
x=0;
if( m_iBackgroundOverlayAlignment & TQt::AlignTop )
y=0;
else if ( m_iBackgroundOverlayAlignment & TQt::AlignBottom )
y=viewport()->height() - m_pBackgroundOverlayPixmap->height();
else if ( m_iBackgroundOverlayAlignment & TQt::AlignVCenter )
y=(viewport()->height() - m_pBackgroundOverlayPixmap->height())/2;
else
y=0;
}
pa.drawPixmap(rect.x(),rect.y(),*m_pBackgroundOverlayPixmap,realTopLeft.x()-x,realTopLeft.y()-y,rect.width(),rect.height());
p->drawPixmap(rect.x(),rect.y(),*pMemPixmap,rect.x(),rect.y(),rect.width(),rect.height());
*/
}
void KviListView::resizeEvent(TQResizeEvent * e)
{
KviTalListView::resizeEvent(e);
if(m_pBackgroundOverlayPixmap)
repaintContents(); // force a full repaint (otherwise qt does not honor static background here)
}
#ifdef COMPILE_ON_WINDOWS
void KviListView::focusInEvent(TQFocusEvent * e)
{
KviTalListView::focusInEvent(e);
if(m_pBackgroundOverlayPixmap)
repaintContents();
}
void KviListView::focusOutEvent(TQFocusEvent * e)
{
KviTalListView::focusOutEvent(e);
if(m_pBackgroundOverlayPixmap)
repaintContents();
}
#endif
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