src/dolphintooltip.cpp

   1 #include "dolphintooltip.h"
   2
   3 #include <kicon.h>
   4 #include <kio/previewjob.h>
   5 #include <kfileitem.h>
   6
   7 #include <QtGui/QPixmap>
   8
   9 const int PREVIEW_WIDTH = 256;
  10 const int PREVIEW_HEIGHT = 256;
  11
  12 DolphinToolTipItem::DolphinToolTipItem(const KFileItem & fileItem) :
  13         KToolTipItem(KIcon(fileItem.iconName()), fileItem.getToolTipText(), UserType)
  14 {
  15
  16     //if (icon().actualSize(QSize(256,256)).width() != PREVIEW_WIDTH)
  17     /*{
  18         QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT));
  19         paddedImage.fill(Qt::transparent);
  20         QPainter painter(&paddedImage);
  21         KIcon kicon(fileItem.iconName());
  22         painter.drawPixmap((PREVIEW_WIDTH - 128) / 2, (PREVIEW_HEIGHT - 128) / 2, kicon.pixmap(QSize(128,128)));
  23         setData(Qt::DecorationRole, QIcon(paddedImage));
  24     }*/
  25
  26     // Initiate the preview job.
  27     KFileItemList fileItems;
  28     fileItems << fileItem;
  29     KIO::PreviewJob* job = KIO::filePreview(fileItems, PREVIEW_WIDTH, PREVIEW_HEIGHT );
  30     connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
  31             this, SLOT(setPreview(const KFileItem&, const QPixmap&)));
  32
  33 }
  34 DolphinToolTipItem::~DolphinToolTipItem()
  35 {
  36 }
  37 void DolphinToolTipItem::setPreview(const KFileItem& fileItem, const QPixmap& preview)
  38 {
  39     Q_UNUSED(fileItem);
  40    /* QPixmap paddedImage(QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT));
  41     paddedImage.fill(Qt::transparent);
  42     QPainter painter(&paddedImage);
  43     KIcon kicon(fileItem.iconName());
  44     painter.drawPixmap((PREVIEW_WIDTH - preview.width()) / 2, (PREVIEW_HEIGHT - preview.height()) / 2, preview);
  45     setData(Qt::DecorationRole, QIcon(paddedImage));*/
  46     setData(Qt::DecorationRole, QIcon(preview));
  47 };
  48 // Delegate everything to the base class, after re-setting the decorationSize
  49 // to the preview size.
  50 QSize DolphinBalloonTooltipDelegate::sizeHint(const KStyleOptionToolTip *option, const KToolTipItem *item) const
  51 {
  52     KStyleOptionToolTip updatedStyleOption = *option;
  53     updatedStyleOption.decorationSize = QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT);
  54     return KFormattedBalloonTipDelegate::sizeHint(&updatedStyleOption, item);
  55 }
  56 void DolphinBalloonTooltipDelegate::paint(QPainter *painter, const KStyleOptionToolTip *option, const KToolTipItem *item) const
  57 {
  58     KStyleOptionToolTip updatedStyleOption = *option;
  59     updatedStyleOption.decorationSize = QSize(PREVIEW_WIDTH, PREVIEW_HEIGHT);
  60     return KFormattedBalloonTipDelegate::paint(painter, &updatedStyleOption, item);
  61 }