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/***************************************************************************
sq_dragprovider.cpp - description
-------------------
begin : ??? Sep 17 2007
copyright : (C) 2007 by Baryshev Dmitry
email : ksquirrel.iv@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <tqwidget.h>
#include <tqdragobject.h>
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqfontmetrics.h>
#include <tqtooltip.h>
#include <tqvaluevector.h>
#include <tqsize.h>
#include <kstringhandler.h>
#include <kurldrag.h>
#include <klocale.h>
#include <kurl.h>
#include <algorithm>
#include "sq_dragprovider.h"
#include "sq_iconloader.h"
#include "sq_filethumbviewitem.h"
#include "sq_thumbnailsize.h"
#define SQ_THUMB_SIZE 96
SQ_DragProvider * SQ_DragProvider::m_inst = 0;
SQ_DragProvider::SQ_DragProvider(TQObject *tqparent) : TQObject(tqparent), source(0)
{
m_inst = this;
}
SQ_DragProvider::~SQ_DragProvider()
{}
void SQ_DragProvider::setParams(TQWidget *_source, const KFileItemList &_files, SourceType tp)
{
source = _source;
files = _files;
type = tp;
}
void SQ_DragProvider::start()
{
if(!source)
return;
int count = files.count();
if(!count)
return;
KURL::List urls;
KFileItem *fi;
SQ_FileThumbViewItem *kfi;
TQStringList names;
int capas = type == Thumbnails ? 2 : 10; // 2 thumbnails or 10 file names
int _capas = capas;
TQValueVector<TQPixmap> pixmaps;
TQPixmap *pix;
int pixw = 0, pixh = 0;
const int margin = 2;
KFileItem *first = files.first();
KFileItemListIterator it(files);
while((fi = it.current()))
{
urls.append(fi->url());
if(_capas)
{
if(type == Thumbnails)
{
kfi = reinterpret_cast<SQ_FileThumbViewItem *>(fi->extraData(source));
if(kfi && (pix = kfi->pixmap()))
{
pixmaps.append(*pix);
if(!pixw || !pixh)
{
pixw = pix->width();
pixh = pix->height();
if(pixw > SQ_THUMB_SIZE)
{
TQSize sz(pixw, pixh);
sz.tqscale(SQ_THUMB_SIZE, SQ_THUMB_SIZE, TQSize::ScaleMin);
pixw = sz.width();
pixh = sz.height();
}
}
}
}
else
names.append(KStringHandler::csqueeze(fi->name()));
--_capas;
}
++it;
}
TQDragObject *drag = new KURLDrag(urls, source);
TQPixmap dragIcon;
if(urls.count() > 1)
dragIcon = SQ_IconLoader::instance()->loadIcon("kmultiple", KIcon::Desktop, KIcon::SizeSmall);
else
dragIcon = first->pixmap(KIcon::SizeSmall);
const int flags = TQt::AlignAuto|TQt::AlignVCenter|TQt::ShowPrefix;
TQPixmap dragPixmap;
TQString text;
// construct text
if(type == Icons)
{
TQStringList::iterator sEnd = names.end();
for(TQStringList::iterator sit = names.begin();sit != sEnd;++sit)
text = text + *sit + '\n';
}
text += TQString::tqfromLatin1("%1 %2").tqarg(i18n("Total")).tqarg(i18n("1 file", "%n files", count));
TQFontMetrics ms(source->font());
TQRect r = ms.boundingRect(0, 0, 1, 1, flags, text);
// resize pixmap
if(type == Icons)
dragPixmap.resize(r.width(), r.height());
else
dragPixmap.resize(std::max(r.width(), pixw)+margin*2, r.height()+margin+(pixh+margin)*pixmaps.count());
TQPalette pal = TQToolTip::palette();
TQPainter p;
p.begin(&dragPixmap);
// draw frame
p.setPen(TQPen(pal.color(TQPalette::Active, TQColorGroup::Text)));
p.setBrush(TQBrush(pal.color(TQPalette::Active, TQColorGroup::Background)));
p.drawRect(dragPixmap.rect());
// draw file names
if(type == Icons)
p.drawText(dragPixmap.rect(), flags, text);
else // or thumbnails
{
int y = margin;
TQValueVector<TQPixmap>::iterator itEnd = pixmaps.end();
for(TQValueVector<TQPixmap>::iterator it = pixmaps.begin();it != itEnd;++it)
{
p.drawPixmap(TQRect((dragPixmap.width()-pixw)/2, y, pixw, pixh), *it);
y = y + pixh + margin;
}
p.drawText(0, y, dragPixmap.width(), dragPixmap.height()-y, flags, text);
}
p.end();
// finally, setup drag object
drag->setPixmap(dragPixmap, TQPoint(16, -16));
drag->dragCopy();
}
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