Merge remote-tracking branch 'origin/release/21.08'

[dolphin.git] / src / kitemviews / private / kitemlistviewlayouter.cpp

diff --git a/src/kitemviews/private/kitemlistviewlayouter.cpp b/src/kitemviews/private/kitemlistviewlayouter.cpp
index 73f3d6182153d1c4eca8c5ec5fb04afbc9e4991b..6de83ca87eddf91897539f3e117b5617468b533f 100644 (file)
--- a/src/kitemviews/private/kitemlistviewlayouter.cpp
+++ b/src/kitemviews/private/kitemlistviewlayouter.cpp
@@ -1,32 +1,17 @@
-/***************************************************************************
- *   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 "kitemlistviewlayouter.h"
-
-#include <kitemviews/kitemmodelbase.h>
+#include "dolphindebug.h"
 #include "kitemlistsizehintresolver.h"
-
-#include <KDebug>
+#include "kitemviews/kitemmodelbase.h"
 
 // #define KITEMLISTVIEWLAYOUTER_DEBUG
 
-KItemListViewLayouter::KItemListViewLayouter(QObject* parent) :
+KItemListViewLayouter::KItemListViewLayouter(KItemListSizeHintResolver* sizeHintResolver, QObject* parent) :
     QObject(parent),
     m_dirty(true),
     m_visibleIndexesDirty(true),
@@ -35,8 +20,8 @@ KItemListViewLayouter::KItemListViewLayouter(QObject* parent) :
     m_itemSize(128, 128),
     m_itemMargin(),
     m_headerHeight(0),
-    m_model(0),
-    m_sizeHintResolver(0),
+    m_model(nullptr),
+    m_sizeHintResolver(sizeHintResolver),
     m_scrollOffset(0),
     m_maximumScrollOffset(0),
     m_itemOffset(0),
@@ -53,6 +38,7 @@ KItemListViewLayouter::KItemListViewLayouter(QObject* parent) :
     m_groupHeaderMargin(0),
     m_itemInfos()
 {
+    Q_ASSERT(m_sizeHintResolver);
 }
 
 KItemListViewLayouter::~KItemListViewLayouter()
@@ -209,19 +195,6 @@ const KItemModelBase* KItemListViewLayouter::model() const
     return m_model;
 }
 
-void KItemListViewLayouter::setSizeHintResolver(KItemListSizeHintResolver* sizeHintResolver)
-{
-    if (m_sizeHintResolver != sizeHintResolver) {
-        m_sizeHintResolver = sizeHintResolver;
-        m_dirty = true;
-    }
-}
-
-const KItemListSizeHintResolver* KItemListViewLayouter::sizeHintResolver() const
-{
-    return m_sizeHintResolver;
-}
-
 int KItemListViewLayouter::firstVisibleIndex() const
 {
     const_cast<KItemListViewLayouter*>(this)->doLayout();
@@ -241,12 +214,7 @@ QRectF KItemListViewLayouter::itemRect(int index) const
         return QRectF();
     }
 
-    QSizeF sizeHint;
-    if (m_sizeHintResolver) {
-        sizeHint = m_sizeHintResolver->sizeHint(index);
-    } else {
-        sizeHint = m_itemSize;
-    }
+    QSizeF sizeHint = m_sizeHintResolver->sizeHint(index);
 
     const qreal x = m_columnOffsets.at(m_itemInfos.at(index).column);
     const qreal y = m_rowOffsets.at(m_itemInfos.at(index).row);
@@ -256,6 +224,7 @@ QRectF KItemListViewLayouter::itemRect(int index) const
         // to get the physical horizontal direction
         QPointF pos(y, x);
         pos.rx() -= m_scrollOffset;
+        sizeHint.transpose();
         return QRectF(pos, sizeHint);
     }
 
@@ -299,12 +268,9 @@ QRectF KItemListViewLayouter::groupHeaderRect(int index) const
                 break;
             }
 
-            qreal itemWidth;
-            if (m_sizeHintResolver) {
-                itemWidth = m_sizeHintResolver->sizeHint(index).width();
-            } else {
-                itemWidth = m_itemSize.width();
-            }
+            const qreal itemWidth = (m_scrollOrientation == Qt::Vertical)
+                                     ? m_sizeHintResolver->sizeHint(index).width()
+                                     : m_sizeHintResolver->sizeHint(index).height();
 
             if (itemWidth > headerWidth) {
                 headerWidth = itemWidth;
@@ -482,12 +448,10 @@ void KItemListViewLayouter::doLayout()
             int column = 0;
             while (index < itemCount && column < m_columnCount) {
                 qreal requiredItemHeight = itemSize.height();
-                if (m_sizeHintResolver) {
-                    const QSizeF sizeHint = m_sizeHintResolver->sizeHint(index);
-                    const qreal sizeHintHeight = horizontalScrolling ? sizeHint.width() : sizeHint.height();
-                    if (sizeHintHeight > requiredItemHeight) {
-                        requiredItemHeight = sizeHintHeight;
-                    }
+                const QSizeF sizeHint = m_sizeHintResolver->sizeHint(index);
+                const qreal sizeHintHeight = sizeHint.height();
+                if (sizeHintHeight > requiredItemHeight) {
+                    requiredItemHeight = sizeHintHeight;
                 }
 
                 ItemInfo& itemInfo = m_itemInfos[index];
@@ -537,7 +501,7 @@ void KItemListViewLayouter::doLayout()
         }
 
 #ifdef KITEMLISTVIEWLAYOUTER_DEBUG
-        kDebug() << "[TIME] doLayout() for " << m_model->count() << "items:" << timer.elapsed();
+        qCDebug(DolphinDebug) << "[TIME] doLayout() for " << m_model->count() << "items:" << timer.elapsed();
 #endif
         m_dirty = false;
     }
@@ -642,4 +606,3 @@ qreal KItemListViewLayouter::minimumGroupHeaderWidth() const
     return 100;
 }
 
-#include "kitemlistviewlayouter.moc"