File indexing completed on 2024-04-28 04:21:22

 // SPDX-FileCopyrightText: 2003-2010 Jesper K. Pedersen <blackie@kde.org>
 // SPDX-FileCopyrightText: 2022 Johannes Zarl-Zierl <johannes@zarl-zierl.at>
 //
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "GridResizeInteraction.h"
 
 #include "CellGeometry.h"
 #include "ThumbnailModel.h"
 #include "ThumbnailWidget.h"
 
 #include <ImageManager/ThumbnailBuilder.h>
 #include <ImageManager/enums.h>
 #include <MainWindow/Window.h>
 #include <kpabase/SettingsData.h>
 #include <kpathumbnails/ThumbnailCache.h>
 
 #include <KLocalizedString>
 #include <KSharedConfig>
 #include <QScrollBar>
 ThumbnailView::GridResizeInteraction::GridResizeInteraction(ThumbnailFactory *factory)
     : ThumbnailComponent(factory)
     , m_origWidth(0)
     , m_resizing(false)
     , m_currentRow(0)
 {
 }
 
 bool ThumbnailView::GridResizeInteraction::mousePressEvent(QMouseEvent *event)
 {
     m_resizing = true;
     m_mousePressPos = event->pos();
     enterGridResizingMode();
     return true;
 }
 
 bool ThumbnailView::GridResizeInteraction::mouseMoveEvent(QMouseEvent *event)
 {
     // no need to query this more than once (can't be changed in the GUI):
     static int _minimum_ = Settings::SettingsData::instance()->minimumThumbnailSize();
     QPoint dist = event->pos() - m_mousePressPos;
     setCellSize(qMax(_minimum_, m_origWidth + dist.x() / 5));
     return true;
 }
 
 bool ThumbnailView::GridResizeInteraction::mouseReleaseEvent(QMouseEvent *)
 {
     leaveGridResizingMode();
     m_resizing = false;
     return true;
 }
 
 void ThumbnailView::GridResizeInteraction::setCellSize(int size)
 {
     const int baseSize = Settings::SettingsData::instance()->thumbnailSize();
 
     // snap to base size:
     if (qAbs(size - baseSize) < 10)
         size = baseSize;
 
     model()->beginResetModel();
     Settings::SettingsData::instance()->setActualThumbnailSize(size);
     cellGeometryInfo()->calculateCellSize();
     model()->endResetModel();
 }
 
 bool ThumbnailView::GridResizeInteraction::isResizingGrid()
 {
     return m_resizing;
 }
 
 void ThumbnailView::GridResizeInteraction::leaveGridResizingMode()
 {
     KSharedConfig::openConfig()->sync();
     model()->beginResetModel();
     cellGeometryInfo()->flushCache();
     model()->endResetModel();
     model()->updateVisibleRowInfo();
     widget()->setCurrentIndex(model()->index(m_currentRow, 0));
 }
 
 void ThumbnailView::GridResizeInteraction::enterGridResizingMode()
 {
     m_origWidth = widget()->cellWidth();
     ImageManager::ThumbnailBuilder::instance()->cancelRequests();
     m_currentRow = widget()->currentIndex().row();
     widget()->verticalScrollBar()->setValue(0);
 }
 
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