Merge branch 'release/21.08'

[dolphin.git] / src / kitemviews / kfileitemmodel.cpp

diff --git a/src/kitemviews/kfileitemmodel.cpp b/src/kitemviews/kfileitemmodel.cpp
index ffd933d25d6946121ead506c4fd3e5c0e0cc808e..776466d68c3c03ab20d94b63f29de756d20ec684 100644 (file)
--- a/src/kitemviews/kfileitemmodel.cpp
+++ b/src/kitemviews/kfileitemmodel.cpp
@@ -11,10 +11,10 @@
 #include "dolphin_generalsettings.h"
 #include "dolphin_detailsmodesettings.h"
 #include "dolphindebug.h"
-#include "private/kfileitemmodeldirlister.h"
 #include "private/kfileitemmodelsortalgorithm.h"
 
-#include <kio_version.h>
+#include <KDirLister>
+#include <KIO/Job>
 #include <KLocalizedString>
 #include <KUrlMimeData>
 
@@ -53,7 +53,8 @@ KFileItemModel::KFileItemModel(QObject* parent) :
 
     loadSortingSettings();
 
-    m_dirLister = new KFileItemModelDirLister(this);
+    m_dirLister = new KDirLister(this);
+    m_dirLister->setAutoErrorHandlingEnabled(false);
     m_dirLister->setDelayedMimeTypes(true);
 
     const QWidget* parentWidget = qobject_cast<QWidget*>(parent);
@@ -61,23 +62,17 @@ KFileItemModel::KFileItemModel(QObject* parent) :
         m_dirLister->setMainWindow(parentWidget->window());
     }
 
-    connect(m_dirLister, &KFileItemModelDirLister::started, this, &KFileItemModel::directoryLoadingStarted);
+    connect(m_dirLister, &KCoreDirLister::started, this, &KFileItemModel::directoryLoadingStarted);
     connect(m_dirLister, QOverload<>::of(&KCoreDirLister::canceled), this, &KFileItemModel::slotCanceled);
-    connect(m_dirLister, &KFileItemModelDirLister::itemsAdded, this, &KFileItemModel::slotItemsAdded);
-    connect(m_dirLister, &KFileItemModelDirLister::itemsDeleted, this, &KFileItemModel::slotItemsDeleted);
-    connect(m_dirLister, &KFileItemModelDirLister::refreshItems, this, &KFileItemModel::slotRefreshItems);
+    connect(m_dirLister, &KCoreDirLister::itemsAdded, this, &KFileItemModel::slotItemsAdded);
+    connect(m_dirLister, &KCoreDirLister::itemsDeleted, this, &KFileItemModel::slotItemsDeleted);
+    connect(m_dirLister, &KCoreDirLister::refreshItems, this, &KFileItemModel::slotRefreshItems);
     connect(m_dirLister, QOverload<>::of(&KCoreDirLister::clear), this, &KFileItemModel::slotClear);
-    connect(m_dirLister, &KFileItemModelDirLister::infoMessage, this, &KFileItemModel::infoMessage);
-    connect(m_dirLister, &KFileItemModelDirLister::errorMessage, this, &KFileItemModel::errorMessage);
-    connect(m_dirLister, &KFileItemModelDirLister::percent, this, &KFileItemModel::directoryLoadingProgress);
+    connect(m_dirLister, &KCoreDirLister::infoMessage, this, &KFileItemModel::infoMessage);
+    connect(m_dirLister, &KCoreDirLister::jobError, this, &KFileItemModel::slotListerError);
+    connect(m_dirLister, &KCoreDirLister::percent, this, &KFileItemModel::directoryLoadingProgress);
     connect(m_dirLister, QOverload<const QUrl&, const QUrl&>::of(&KCoreDirLister::redirection), this, &KFileItemModel::directoryRedirection);
-    connect(m_dirLister, &KFileItemModelDirLister::urlIsFileError, this, &KFileItemModel::urlIsFileError);
-
-#if KIO_VERSION < QT_VERSION_CHECK(5, 79, 0)
-    connect(m_dirLister, QOverload<const QUrl&>::of(&KCoreDirLister::completed), this, &KFileItemModel::slotCompleted);
-#else
     connect(m_dirLister, &KCoreDirLister::listingDirCompleted, this, &KFileItemModel::slotCompleted);
-#endif
 
     // Apply default roles that should be determined
     resetRoles();
@@ -1796,6 +1791,11 @@ void KFileItemModel::sort(const QList<KFileItemModel::ItemData*>::iterator &begi
 
 int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const QCollator& collator) const
 {
+    // This function must never return 0, because that would break stable
+    // sorting, which leads to all kinds of bugs.
+    // See: https://bugs.kde.org/show_bug.cgi?id=433247
+    // If two items have equal sort values, let the fallbacks at the bottom of
+    // the function handle it.
     const KFileItem& itemA = a->item;
     const KFileItem& itemB = b->item;
 
@@ -1813,29 +1813,21 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
             auto valueA = a->values.value("count");
             auto valueB = b->values.value("count");
             if (valueA.isNull()) {
-                if (valueB.isNull()) {
-                    result = 0;
-                    break;
-                } else {
-                    result = -1;
-                    break;
+                if (!valueB.isNull()) {
+                    return -1;
                 }
             } else if (valueB.isNull()) {
-                result = +1;
-                break;
+                return +1;
             } else {
                 if (valueA.toLongLong() < valueB.toLongLong()) {
-                    result = -1;
-                    break;
+                    return -1;
                 } else if (valueA.toLongLong() > valueB.toLongLong()) {
-                    result = +1;
-                    break;
-                } else {
-                    result = 0;
-                    break;
+                    return +1;
                 }
             }
+            break;
         }
+
         KIO::filesize_t sizeA = 0;
         if (itemA.isDir()) {
             sizeA = a->values.value("size").toULongLong();
@@ -1848,12 +1840,10 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
         } else {
             sizeB = itemB.size();
         }
-        if (sizeA > sizeB) {
-            result = +1;
-        } else if (sizeA < sizeB) {
-            result = -1;
-        } else {
-            result = 0;
+        if (sizeA < sizeB) {
+            return -1;
+        } else if (sizeA > sizeB) {
+            return +1;
         }
         break;
     }
@@ -1862,9 +1852,9 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
         const long long dateTimeA = itemA.entry().numberValue(KIO::UDSEntry::UDS_MODIFICATION_TIME, -1);
         const long long dateTimeB = itemB.entry().numberValue(KIO::UDSEntry::UDS_MODIFICATION_TIME, -1);
         if (dateTimeA < dateTimeB) {
-            result = -1;
+            return -1;
         } else if (dateTimeA > dateTimeB) {
-            result = +1;
+            return +1;
         }
         break;
     }
@@ -1873,9 +1863,9 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
         const long long dateTimeA = itemA.entry().numberValue(KIO::UDSEntry::UDS_CREATION_TIME, -1);
         const long long dateTimeB = itemB.entry().numberValue(KIO::UDSEntry::UDS_CREATION_TIME, -1);
         if (dateTimeA < dateTimeB) {
-            result = -1;
+            return -1;
         } else if (dateTimeA > dateTimeB) {
-            result = +1;
+            return +1;
         }
         break;
     }
@@ -1884,9 +1874,9 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
         const QDateTime dateTimeA = a->values.value("deletiontime").toDateTime();
         const QDateTime dateTimeB = b->values.value("deletiontime").toDateTime();
         if (dateTimeA < dateTimeB) {
-            result = -1;
+            return -1;
         } else if (dateTimeA > dateTimeB) {
-            result = +1;
+            return +1;
         }
         break;
     }
@@ -1907,9 +1897,9 @@ int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b, const
         const QString roleValueA = a->values.value(role).toString();
         const QString roleValueB = b->values.value(role).toString();
         if (!roleValueA.isEmpty() && roleValueB.isEmpty()) {
-            result = -1;
+            return -1;
         } else if (roleValueA.isEmpty() && !roleValueB.isEmpty()) {
-            result = +1;
+            return +1;
         } else if (isRoleValueNatural(m_sortRole)) {
             result = stringCompare(roleValueA, roleValueB, collator);
         } else {
@@ -2517,3 +2507,15 @@ bool KFileItemModel::isConsistent() const
 
     return true;
 }
+
+void KFileItemModel::slotListerError(KIO::Job *job)
+{
+    if (job->error() == KIO::ERR_IS_FILE) {
+        if (auto *listJob = qobject_cast<KIO::ListJob *>(job)) {
+            Q_EMIT urlIsFileError(listJob->url());
+        }
+    } else {
+        const QString errorString = job->errorString();
+        Q_EMIT errorMessage(!errorString.isEmpty() ? errorString : i18nc("@info:status", "Unknown error."));
+    }
+}