File indexing completed on 2025-01-19 03:57:35

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 02-08-2013
  * Description : Thumbnail bar for Showfoto
  *
  * SPDX-FileCopyrightText: 2013      by Mohamed_Anwer <m_dot_anwer at gmx dot com>
  * SPDX-FileCopyrightText: 2013-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "showfotothumbnailbar.h"
 
 // Qt includes
 
 #include <QTimer>
 
 // Local includes
 
 #include "digikam_debug.h"
 #include "showfotosettings.h"
 #include "showfotodelegate.h"
 #include "showfotofiltermodel.h"
 #include "itemviewtooltip.h"
 #include "showfototooltipfiller.h"
 #include "itemselectionoverlay.h"
 #include "showfotokineticscroller.h"
 #include "showfotocoordinatesoverlay.h"
 
 namespace ShowFoto
 {
 
 class Q_DECL_HIDDEN ShowfotoThumbnailBar::Private
 {
 public:
 
     explicit Private()
       : scrollPolicy    (Qt::ScrollBarAlwaysOn),
         duplicatesFilter(nullptr),
         kScroller       (nullptr)
     {
     }
 
     Qt::ScrollBarPolicy              scrollPolicy;
     NoDuplicatesShowfotoFilterModel* duplicatesFilter;
     ShowfotoKineticScroller*         kScroller;
 };
 
 ShowfotoThumbnailBar::ShowfotoThumbnailBar(QWidget* const parent)
     : ShowfotoCategorizedView(parent),
       d                      (new Private())
 {
     setItemDelegate(new ShowfotoThumbnailDelegate(this));
     setSpacing(3);
     setUsePointingHandCursor(false);
     setScrollStepGranularity(3);
     setScrollCurrentToCenter(ShowfotoSettings::instance()->getItemCenter());
     setScrollBarPolicy(Qt::ScrollBarAlwaysOn);
 
     setDragEnabled(true);
     setAcceptDrops(true);
     setDropIndicatorShown(true);
 
     // Disable QListView::Batched optimization
     // for the thumbnail bar, see bug #468593
 
     setLayoutMode(QListView::SinglePass);
 
     // NOTE: use dynamic binding as this virtual method can be re-implemented in derived classes.
 
     this->slotSetupChanged();
 
     d->kScroller = new ShowfotoKineticScroller();
     d->kScroller->enableKineticScrollFor(this);
 }
 
 ShowfotoThumbnailBar::~ShowfotoThumbnailBar()
 {
     delete d;
 }
 
 int ShowfotoThumbnailBar::thumbnailIndexForUrl(const QUrl& url) const
 {
     int index = 0;
 
     for (int i = 0 ; i < showfotoItemInfos().size() ; ++i)
     {
         QUrl iurl = showfotoItemInfos().at(i).url;
 
         if (iurl.matches(url, QUrl::None))
         {
             index = i + 1;
         }
     }
 
     qCDebug(DIGIKAM_GENERAL_LOG) << "Thumb index for" << url << ":" << index;
 
     return index;
 }
 
 void ShowfotoThumbnailBar::installOverlays()
 {
     addOverlay(new ShowfotoCoordinatesOverlay(this));
 }
 
 void ShowfotoThumbnailBar::slotDockLocationChanged(Qt::DockWidgetArea area)
 {
     if ((area == Qt::LeftDockWidgetArea) || (area == Qt::RightDockWidgetArea))
     {
         setFlow(TopToBottom);
         d->kScroller->setScrollFlow(TopToBottom);
     }
     else
     {
         setFlow(LeftToRight);
         d->kScroller->setScrollFlow(LeftToRight);
     }
 
     scrollTo(currentIndex());
 }
 
 void ShowfotoThumbnailBar::setScrollBarPolicy(Qt::ScrollBarPolicy policy)
 {
     if (policy == Qt::ScrollBarAsNeeded)
     {
         // Delegate resizing will cause endless relayouting, see bug #228807
 
         qCDebug(DIGIKAM_GENERAL_LOG) << "The Qt::ScrollBarAsNeeded policy is not supported by ShowfotoThumbnailBar";
     }
 
     d->scrollPolicy = policy;
 
     if (flow() == TopToBottom)
     {
         setVerticalScrollBarPolicy(d->scrollPolicy);
         setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     }
     else
     {
         setHorizontalScrollBarPolicy(d->scrollPolicy);
         setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     }
 }
 
 void ShowfotoThumbnailBar::setFlow(QListView::Flow flow)
 {
     setWrapping(false);
 
     ShowfotoCategorizedView::setFlow(flow);
 
     ShowfotoThumbnailDelegate* const del = static_cast<ShowfotoThumbnailDelegate*>(delegate());
     del->setFlow(flow);
 
     // Reset the minimum and maximum sizes.
 
     setMinimumSize(QSize(0, 0));
     setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
 
     // Adjust minimum and maximum width to thumbnail sizes.
 
     if (flow == TopToBottom)
     {
         int viewportFullWidgetOffset = size().width() - viewport()->size().width();
         setMinimumWidth(del->minimumSize() + viewportFullWidgetOffset);
         setMaximumWidth(del->maximumSize() + viewportFullWidgetOffset);
     }
     else
     {
         int viewportFullWidgetOffset = size().height() - viewport()->size().height();
         setMinimumHeight(del->minimumSize() + viewportFullWidgetOffset);
         setMaximumHeight(del->maximumSize() + viewportFullWidgetOffset);
     }
 
     setScrollBarPolicy(d->scrollPolicy);
 }
 
 void ShowfotoThumbnailBar::slotSetupChanged()
 {
     ShowfotoCategorizedView::slotSetupChanged();
 }
 
 bool ShowfotoThumbnailBar::event(QEvent* e)
 {
     // reset widget max/min sizes
 
     if ((e->type() == QEvent::StyleChange) || (e->type() == QEvent::Show))
     {
         setFlow(flow());
     }
 
     return ShowfotoCategorizedView::event(e);
 }
 
 QModelIndex ShowfotoThumbnailBar::nextIndex(const QModelIndex& index) const
 {
     return showfotoFilterModel()->index(index.row() + 1, 0);
 }
 
 QModelIndex ShowfotoThumbnailBar::previousIndex(const QModelIndex& index) const
 {
     return showfotoFilterModel()->index(index.row() - 1, 0);
 }
 
 QModelIndex ShowfotoThumbnailBar::firstIndex() const
 {
     return showfotoFilterModel()->index(0, 0);
 }
 
 QModelIndex ShowfotoThumbnailBar::lastIndex() const
 {
     return showfotoFilterModel()->index(showfotoFilterModel()->rowCount() - 1, 0);
 }
 
 ShowfotoItemInfo ShowfotoThumbnailBar::findItemByUrl(const QUrl& url)
 {
     ShowfotoItemInfoList lst = showfotoItemInfos();
 
     for (int i = 0 ; i < lst.size() ; ++i)
     {
         if (lst.at(i).url == url)
         {
             return lst.at(i);
         }
     }
 
     return ShowfotoItemInfo();
 }
 
 } // namespace ShowFoto
 
 #include "moc_showfotothumbnailbar.cpp"