X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/bebcf035d264410c943e7bad861628c1b14dd1f2..edced8460b:/src/views/dolphinitemlistview.cpp

diff --git a/src/views/dolphinitemlistview.cpp b/src/views/dolphinitemlistview.cpp
index d73889fd5..9fa91a674 100644
--- a/src/views/dolphinitemlistview.cpp
+++ b/src/views/dolphinitemlistview.cpp
@@ -1,40 +1,23 @@
-/***************************************************************************
- *   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 "dolphinitemlistview.h"
 
+#include "dolphin_compactmodesettings.h"
+#include "dolphin_detailsmodesettings.h"
 #include "dolphin_generalsettings.h"
 #include "dolphin_iconsmodesettings.h"
-#include "dolphin_detailsmodesettings.h"
-#include "dolphin_compactmodesettings.h"
 #include "dolphinfileitemlistwidget.h"
-
-#include <kitemviews/kfileitemlistview.h>
-#include <kitemviews/kfileitemmodel.h>
-#include <kitemviews/kitemlistcontroller.h>
-#include <kitemviews/kitemliststyleoption.h>
+#include "kitemviews/kfileitemmodel.h"
+#include "kitemviews/kitemlistcontroller.h"
+#include "views/viewmodecontroller.h"
+#include "zoomlevelinfo.h"
 
 #include <KIO/PreviewJob>
-
-#include <views/viewmodecontroller.h>
-
-#include "zoomlevelinfo.h"
+#include <QtMath>
 
 
 DolphinItemListView::DolphinItemListView(QGraphicsWidget* parent) :
@@ -95,12 +78,8 @@ void DolphinItemListView::readSettings()
     updateGridSize();
 
     const KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings");
-    QStringList enabledPlugins = globalConfig.readEntry("Plugins", QStringList());
-    if (enabledPlugins.isEmpty()) {
-        enabledPlugins = KIO::PreviewJob::defaultPlugins();
-    }
-    setEnabledPlugins(enabledPlugins);
-
+    setEnabledPlugins(globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins()));
+    setLocalFileSizePreviewLimit(globalConfig.readEntry("MaximumSize", 0));
     endTransaction();
 }
 
@@ -133,7 +112,7 @@ void DolphinItemListView::onItemLayoutChanged(ItemLayout current, ItemLayout pre
 
 void DolphinItemListView::onPreviewsShownChanged(bool shown)
 {
-    Q_UNUSED(shown);
+    Q_UNUSED(shown)
     updateGridSize();
 }
 
@@ -185,19 +164,16 @@ void DolphinItemListView::updateGridSize()
 
     switch (itemLayout()) {
     case KFileItemListView::IconsLayout: {
-        const int minItemWidth = 48;
-        itemWidth = minItemWidth + IconsModeSettings::textWidthIndex() * 64;
-
-        if (previewsShown()) {
-            // Optimize the width for previews with a 3:2 aspect ratio instead
-            // of a 1:1 ratio to avoid wasting too much vertical space when
-            // showing photos.
-            const int minWidth = iconSize * 3 / 2;
-            itemWidth = qMax(itemWidth, minWidth);
-        }
 
-        if (itemWidth < iconSize + padding * 2) {
-            itemWidth = iconSize + padding * 2;
+        // an exponential factor based on zoom, 0 -> 1, 4 -> 1.36 8 -> ~1.85, 16 -> 3.4
+        auto zoomFactor = qExp(m_zoomLevel / 13.0);
+        // 9 is the average char width for 10pt Noto Sans, making fontFactor =1
+        // by each pixel the font gets larger the factor increases by 1/9
+        auto fontFactor = option.fontMetrics.averageCharWidth() / 9.0;
+        itemWidth = 48 + IconsModeSettings::textWidthIndex() * 64 * fontFactor * zoomFactor;
+
+        if (itemWidth < iconSize + padding * 2 * zoomFactor) {
+            itemWidth = iconSize + padding * 2 * zoomFactor;
         }
 
         itemHeight = padding * 3 + iconSize + option.fontMetrics.lineSpacing();