src/dolphintooltip.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by Simon St James <kdedevel@etotheipiplusone.com>  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphintooltip.h"
  21
  22 #include <kicon.h>
  23 #include <kio/previewjob.h>
  24 #include <kfileitem.h>
  25
  26 #include <QtGui/QPixmap>
  27
  28 const int PREVIEW_WIDTH = 256;
  29 const int PREVIEW_HEIGHT = 256;
  30
  31 DolphinToolTipItem::DolphinToolTipItem(const KFileItem & fileItem) :
  32         KToolTipItem(KIcon(fileItem.iconName()), fileItem.getToolTipText(), UserType)
  33 {
  34
  35     //if (icon().actualSize(QSize(256,256)).width() != PREVIEW_WIDTH)
  36     /*{
  37         QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT));
  38         paddedImage.fill(Qt::transparent);
  39         QPainter painter(&paddedImage);
  40         KIcon kicon(fileItem.iconName());
  41         painter.drawPixmap((PREVIEW_WIDTH - 128) / 2, (PREVIEW_HEIGHT - 128) / 2, kicon.pixmap(QSize(128,128)));
  42         setData(Qt::DecorationRole, QIcon(paddedImage));
  43     }*/
  44
  45     // Initiate the preview job.
  46     KFileItemList fileItems;
  47     fileItems << fileItem;
  48     KIO::PreviewJob* job = KIO::filePreview(fileItems, PREVIEW_WIDTH, PREVIEW_HEIGHT );
  49     connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
  50             this, SLOT(setPreview(const KFileItem&, const QPixmap&)));
  51
  52 }
  53 DolphinToolTipItem::~DolphinToolTipItem()
  54 {
  55 }
  56 void DolphinToolTipItem::setPreview(const KFileItem& fileItem, const QPixmap& preview)
  57 {
  58     Q_UNUSED(fileItem);
  59    /* QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT));
  60     paddedImage.fill(Qt::transparent);
  61     QPainter painter(&paddedImage);
  62     KIcon kicon(fileItem.iconName());
  63     painter.drawPixmap((PREVIEW_WIDTH - preview.width()) / 2, (PREVIEW_HEIGHT - preview.height()) / 2, preview);
  64     setData(Qt::DecorationRole, QIcon(paddedImage));*/
  65     setData(Qt::DecorationRole, QIcon(preview));
  66 }
  67 // Delegate everything to the base class, after re-setting the decorationSize
  68 // to the preview size.
  69 QSize DolphinBalloonTooltipDelegate::sizeHint(const KStyleOptionToolTip *option, const KToolTipItem *item) const
  70 {
  71     KStyleOptionToolTip updatedStyleOption = *option;
  72     updatedStyleOption.decorationSize = QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT);
  73     return KFormattedBalloonTipDelegate::sizeHint(&updatedStyleOption, item);
  74 }
  75 void DolphinBalloonTooltipDelegate::paint(QPainter *painter, const KStyleOptionToolTip *option, const KToolTipItem *item) const
  76 {
  77     KStyleOptionToolTip updatedStyleOption = *option;
  78     updatedStyleOption.decorationSize = QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT);
  79     return KFormattedBalloonTipDelegate::paint(painter, &updatedStyleOption, item);
  80 }