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Diffstat (limited to 'src/sq_dragprovider.cpp')
| -rw-r--r-- | src/sq_dragprovider.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/sq_dragprovider.cpp b/src/sq_dragprovider.cpp new file mode 100644 index 0000000..6ae0ada --- /dev/null +++ b/src/sq_dragprovider.cpp @@ -0,0 +1,183 @@ +/*************************************************************************** + 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 <tdelocale.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 *parent) : TQObject(parent), 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.scale(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("application-vnd.tde.tdemultiple", TDEIcon::Desktop, TDEIcon::SizeSmall); + else + dragIcon = first->pixmap(TDEIcon::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::fromLatin1("%1 %2").arg(i18n("Total")).arg(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(); +} |