X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/5f57256a2f293622c7a10844adae29190907b9eb..891ebf5758cd3569974c87f3c25f0546fe2613be:/src/kitemviews/kfileitemlistview.cpp

diff --git a/src/kitemviews/kfileitemlistview.cpp b/src/kitemviews/kfileitemlistview.cpp
index 41f8aeade..75eb1559e 100644
--- a/src/kitemviews/kfileitemlistview.cpp
+++ b/src/kitemviews/kfileitemlistview.cpp
@@ -1,42 +1,28 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "kfileitemlistview.h"
 
-#include "kfileitemmodelrolesupdater.h"
 #include "kfileitemlistwidget.h"
 #include "kfileitemmodel.h"
+#include "kfileitemmodelrolesupdater.h"
 #include "private/kpixmapmodifier.h"
 
-#include <QIcon>
 #include <KIconLoader>
 
-#include <QPainter>
-#include <QTimer>
 #include <QGraphicsScene>
 #include <QGraphicsView>
+#include <QPainter>
+#include <QTimer>
 
 // #define KFILEITEMLISTVIEW_DEBUG
 
 namespace {
     // If the visible index range changes, KFileItemModelRolesUpdater is not
-    // informed immediatetly, but with a short delay. This ensures that scrolling
+    // informed immediately, but with a short delay. This ensures that scrolling
     // always feels smooth and is not interrupted by icon loading (which can be
     // quite expensive if a disk access is required to determine the final icon).
     const int ShortInterval = 50;
@@ -117,6 +103,18 @@ QStringList KFileItemListView::enabledPlugins() const
     return m_modelRolesUpdater ? m_modelRolesUpdater->enabledPlugins() : QStringList();
 }
 
+void KFileItemListView::setLocalFileSizePreviewLimit(const qlonglong size)
+{
+    if (m_modelRolesUpdater) {
+        m_modelRolesUpdater->setLocalFileSizePreviewLimit(size);
+    }
+}
+
+qlonglong KFileItemListView::localFileSizePreviewLimit() const
+{
+    return m_modelRolesUpdater ? m_modelRolesUpdater->localFileSizePreviewLimit() : 0;
+}
+
 QPixmap KFileItemListView::createDragPixmap(const KItemSet& indexes) const
 {
     if (!model()) {
@@ -170,7 +168,12 @@ QPixmap KFileItemListView::createDragPixmap(const KItemSet& indexes) const
         QPixmap pixmap = model()->data(index).value("iconPixmap").value<QPixmap>();
         if (pixmap.isNull()) {
             QIcon icon = QIcon::fromTheme(model()->data(index).value("iconName").toString());
-            pixmap = icon.pixmap(size, size);
+            if (!icon.isNull()) {
+                pixmap = icon.pixmap(size, size);
+            } else {
+                pixmap = QPixmap(size, size);
+                pixmap.fill(Qt::transparent);
+            }
         } else {
             KPixmapModifier::scale(pixmap, QSize(size, size) * dpr);
         }
@@ -214,7 +217,7 @@ void KFileItemListView::initializeItemListWidget(KItemListWidget* item)
 
 void KFileItemListView::onPreviewsShownChanged(bool shown)
 {
-    Q_UNUSED(shown);
+    Q_UNUSED(shown)
 }
 
 void KFileItemListView::onItemLayoutChanged(ItemLayout current, ItemLayout previous)
@@ -247,8 +250,8 @@ void KFileItemListView::onScrollOrientationChanged(Qt::Orientation current, Qt::
 
 void KFileItemListView::onItemSizeChanged(const QSizeF& current, const QSizeF& previous)
 {
-    Q_UNUSED(current);
-    Q_UNUSED(previous);
+    Q_UNUSED(current)
+    Q_UNUSED(previous)
     triggerVisibleIndexRangeUpdate();
 }
 
@@ -390,7 +393,8 @@ void KFileItemListView::applyRolesToModel()
 
     // KFileItemModel does not distinct between "visible" and "invisible" roles.
     // Add all roles that are mandatory for having a working KFileItemListView:
-    QSet<QByteArray> roles = visibleRoles().toSet();
+    const auto visibleRoles = this->visibleRoles();
+    auto roles = QSet<QByteArray>(visibleRoles.constBegin(), visibleRoles.constEnd());
     roles.insert("iconPixmap");
     roles.insert("iconName");
     roles.insert("text");