X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/980846ab36eef12c152aa913267145b8bab2f326..6072005ddce81b456fdcf2e77d5156a1d86f3686:/src/kitemviews/kitemlistselectionmanager.cpp

diff --git a/src/kitemviews/kitemlistselectionmanager.cpp b/src/kitemviews/kitemlistselectionmanager.cpp
index ebff1a30e..3cb051a23 100644
--- a/src/kitemviews/kitemlistselectionmanager.cpp
+++ b/src/kitemviews/kitemlistselectionmanager.cpp
@@ -1,38 +1,21 @@
-/***************************************************************************
- *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
- *   Copyright (C) 2011 by Frank Reininghaus <frank78ac@googlemail.com>    *
- *                                                                         *
- *   Based on the Itemviews NG project from Trolltech Labs:                *
- *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
- *                                                                         *
- *   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-FileCopyrightText: 2011 Frank Reininghaus <frank78ac@googlemail.com>
+ *
+ * Based on the Itemviews NG project from Trolltech Labs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "kitemlistselectionmanager.h"
 
-#include "kitemmodelbase.h"
-#include <KDebug>
-
 KItemListSelectionManager::KItemListSelectionManager(QObject* parent) :
     QObject(parent),
     m_currentItem(-1),
     m_anchorItem(-1),
     m_selectedItems(),
     m_isAnchoredSelectionActive(false),
-    m_model(0)
+    m_model(nullptr)
 {
 }
 
@@ -176,6 +159,16 @@ void KItemListSelectionManager::clearSelection()
     }
 }
 
+void KItemListSelectionManager::replaceSelection(int index, int count)
+{
+    const KItemSet previous = selectedItems();
+    if (!previous.isEmpty()) {
+        m_selectedItems.clear();
+        m_isAnchoredSelectionActive = false;
+    }
+    setSelected(index, count);
+}
+
 void KItemListSelectionManager::beginAnchoredSelection(int anchor)
 {
     if (anchor >= 0 && m_model && anchor < m_model->count()) {
@@ -238,6 +231,9 @@ void KItemListSelectionManager::itemsInserted(const KItemRangeList& itemRanges)
         // Calling setCurrentItem would trigger the selectionChanged signal, but we want to
         // emit it only once in this function -> change the current item manually and emit currentChanged
         m_currentItem += inc;
+        if (m_currentItem >= m_model->count()) {
+            m_currentItem = -1;
+        }
         emit currentChanged(m_currentItem, previousCurrent);
     }
 
@@ -260,7 +256,7 @@ void KItemListSelectionManager::itemsInserted(const KItemRangeList& itemRanges)
         const KItemSet previous = m_selectedItems;
         m_selectedItems.clear();
 
-        foreach (int index, previous) {
+        for (int index: previous) {
             int inc = 0;
             foreach (const KItemRange& itemRange, itemRanges) {
                 if (index < itemRange.index) {
@@ -309,7 +305,7 @@ void KItemListSelectionManager::itemsRemoved(const KItemRangeList& itemRanges)
         const KItemSet previous = m_selectedItems;
         m_selectedItems.clear();
 
-        foreach (int oldIndex, previous) {
+        for (int oldIndex : previous) {
             const int index = indexAfterRangesRemoving(oldIndex, itemRanges, DiscardRemovedIndex);
             if (index >= 0)  {
                 m_selectedItems.insert(index);
@@ -331,6 +327,14 @@ void KItemListSelectionManager::itemsMoved(const KItemRange& itemRange, const QL
     // Store the current selection (needed in the selectionChanged() signal)
     const KItemSet previousSelection = selectedItems();
 
+    // Store whether we were doing an anchored selection
+    const bool wasInAnchoredSelection = isAnchoredSelectionActive();
+
+    // endAnchoredSelection() adds all items between m_currentItem and
+    // m_anchorItem to m_selectedItems. They can then be moved
+    // individually later in this function.
+    endAnchoredSelection();
+
     // Update the current item
     if (m_currentItem >= itemRange.index && m_currentItem < itemRange.index + itemRange.count) {
         const int previousCurrentItem = m_currentItem;
@@ -342,9 +346,9 @@ void KItemListSelectionManager::itemsMoved(const KItemRange& itemRange, const QL
         emit currentChanged(newCurrentItem, previousCurrentItem);
     }
 
-    // Update the anchor item
-    if (m_anchorItem >= itemRange.index && m_anchorItem < itemRange.index + itemRange.count) {
-        m_anchorItem = movedToIndexes.at(m_anchorItem - itemRange.index);
+    // Start a new anchored selection.
+    if (wasInAnchoredSelection) {
+        beginAnchoredSelection(m_currentItem);
     }
 
     // Update the selections
@@ -352,7 +356,7 @@ void KItemListSelectionManager::itemsMoved(const KItemRange& itemRange, const QL
         const KItemSet previous = m_selectedItems;
         m_selectedItems.clear();
 
-        foreach (int index, previous) {
+        for (int index : previous) {
             if (index >= itemRange.index && index < itemRange.index + itemRange.count) {
                 m_selectedItems.insert(movedToIndexes.at(index - itemRange.index));
             }
@@ -393,4 +397,4 @@ int KItemListSelectionManager::indexAfterRangesRemoving(int index, const KItemRa
     }
     return qBound(-1, index - dec, m_model->count() - 1);
 }
-#include "kitemlistselectionmanager.moc"
+