File indexing completed on 2024-04-28 15:40:26

 // SPDX-FileCopyrightText: 2012-2020 The KPhotoAlbum Development Team
 // SPDX-FileCopyrightText: 2022 Johannes Zarl-Zierl <johannes@zarl-zierl.at>
 //
 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 #include "ToolTip.h"
 
 #include "DescriptionUtil.h"
 
 #include <DB/ImageDB.h>
 #include <ImageManager/AsyncLoader.h>
 #include <ImageManager/ImageRequest.h>
 #include <kpabase/SettingsData.h>
 
 #include <QEvent>
 #include <QTemporaryFile>
 
 namespace Utilities
 {
 
 ToolTip::ToolTip(QWidget *parent, Qt::WindowFlags f)
     : QLabel(parent, f)
     , m_tmpFileForThumbnailView(nullptr)
 {
     setAlignment(Qt::AlignLeft | Qt::AlignTop);
     setLineWidth(1);
     setMargin(1);
 
     setWindowOpacity(0.9);
     setAutoFillBackground(true);
     updatePalette();
 }
 
 void ToolTip::updatePalette()
 {
     QPalette p = palette();
     QColor bgColor = palette().shadow().color();
     p.setColor(QPalette::Window, bgColor);
     p.setColor(QPalette::WindowText, palette().brightText().color());
     setPalette(p);
     // re-enable palette-propagation:
     setAttribute(Qt::WA_SetPalette);
 }
 
 void ToolTip::requestImage(const DB::FileName &fileName)
 {
     int size = Settings::SettingsData::instance()->previewSize();
     DB::ImageInfoPtr info = DB::ImageDB::instance()->info(fileName);
     if (size != 0) {
         ImageManager::ImageRequest *request = new ImageManager::ImageRequest(fileName, QSize(size, size), info->angle(), this);
         request->setPriority(ImageManager::Viewer);
         ImageManager::AsyncLoader::instance()->load(request);
     } else
         renderToolTip();
 }
 
 void ToolTip::pixmapLoaded(ImageManager::ImageRequest *request, const QImage &image)
 {
     const DB::FileName fileName = request->databaseFileName();
 
     delete m_tmpFileForThumbnailView;
     m_tmpFileForThumbnailView = new QTemporaryFile(this);
     m_tmpFileForThumbnailView->open();
 
     image.save(m_tmpFileForThumbnailView, "PNG");
     if (fileName == m_currentFileName) {
         setMinimumWidth(3 * image.width());
         setMinimumHeight(image.height());
         renderToolTip();
     }
 }
 
 void ToolTip::requestToolTip(const DB::FileName &fileName)
 {
     if (fileName.isNull() || fileName == m_currentFileName)
         return;
     m_currentFileName = fileName;
     requestImage(fileName);
 }
 
 bool ToolTip::event(QEvent *e)
 {
     if (e->type() == QEvent::PaletteChange)
         updatePalette();
     return QLabel::event(e);
 }
 
 void ToolTip::renderToolTip()
 {
     const int size = Settings::SettingsData::instance()->previewSize();
     if (size != 0) {
         setText(QString::fromLatin1("<table cols='2' cellpadding='10'><tr><td><img src='%1' width=></td><td>%2</td></tr>")
                     .arg(m_tmpFileForThumbnailView->fileName(), Utilities::createInfoText(DB::ImageDB::instance()->info(m_currentFileName), nullptr)));
     } else
         setText(QString::fromLatin1("<p>%1</p>").arg(Utilities::createInfoText(DB::ImageDB::instance()->info(m_currentFileName), nullptr)));
 
     setWordWrap(true);
 
     resize(sizeHint());
     //    m_view->setFocus();
     show();
     placeWindow();
 }
 
 } // namespace Utilities
 // vi:expandtab:tabstop=4 shiftwidth=4:
 
 #include "moc_ToolTip.cpp"