Fix scrolling during inline renaming causes rename of wrong file

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

diff --git a/src/kitemviews/kitemlistview.cpp b/src/kitemviews/kitemlistview.cpp
index 0090f8620c90fa34cb90c092d06208ebcfb129f6..d26809797954fa8362812a4cbe09016f8c7866c0 100644 (file)
--- a/src/kitemviews/kitemlistview.cpp
+++ b/src/kitemviews/kitemlistview.cpp
@@ -22,12 +22,12 @@
 
 #include "kitemlistview.h"
 
-#include <KDebug>
+#include "dolphindebug.h"
 #include "kitemlistcontainer.h"
 #include "kitemlistcontroller.h"
 #include "kitemlistheader.h"
 #include "kitemlistselectionmanager.h"
-#include "kitemlistwidget.h"
+#include "kstandarditemlistwidget.h"
 
 #include "private/kitemlistheaderwidget.h"
 #include "private/kitemlistrubberband.h"
@@ -35,23 +35,17 @@
 #include "private/kitemlistviewlayouter.h"
 #include "private/kitemlistviewanimation.h"
 
-#include <QCursor>
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsView>
 #include <QPainter>
-#include <QPropertyAnimation>
 #include <QStyle>
 #include <QStyleOptionRubberBand>
 #include <QTimer>
+#include <QElapsedTimer>
 
 #include <algorithm>
 
-#if 0
 #include "kitemlistviewaccessible.h"
-#else
-#define QT_NO_ACCESSIBILITY 1
-#pragma message("TODO: port accessibility to Qt5")
-#endif
 
 namespace {
     // Time in ms until reaching the autoscroll margin triggers
@@ -63,7 +57,7 @@ namespace {
 }
 
 #ifndef QT_NO_ACCESSIBILITY
-QAccessibleInterface* accessibleInterfaceFactory(const QString &key, QObject *object)
+QAccessibleInterface* accessibleInterfaceFactory(const QString& key, QObject* object)
 {
     Q_UNUSED(key)
 
@@ -315,9 +309,7 @@ KItemModelBase* KItemListView::model() const
 
 void KItemListView::setWidgetCreator(KItemListWidgetCreatorBase* widgetCreator)
 {
-    if (m_widgetCreator) {
-        delete m_widgetCreator;
-    }
+    delete m_widgetCreator;
     m_widgetCreator = widgetCreator;
 }
 
@@ -331,9 +323,7 @@ KItemListWidgetCreatorBase* KItemListView::widgetCreator() const
 
 void KItemListView::setGroupHeaderCreator(KItemListGroupHeaderCreatorBase* groupHeaderCreator)
 {
-    if (m_groupHeaderCreator) {
-        delete m_groupHeaderCreator;
-    }
+    delete m_groupHeaderCreator;
     m_groupHeaderCreator = groupHeaderCreator;
 }
 
@@ -350,6 +340,11 @@ QSizeF KItemListView::itemSize() const
     return m_itemSize;
 }
 
+QSizeF KItemListView::itemSizeHint() const
+{
+    return m_sizeHintResolver->maxSizeHint();
+}
+
 const KItemListStyleOption& KItemListView::styleOption() const
 {
     return m_styleOption;
@@ -454,6 +449,19 @@ bool KItemListView::isAboveExpansionToggle(int index, const QPointF& pos) const
     return false;
 }
 
+bool KItemListView::isAboveText(int index, const QPointF &pos) const
+{
+    const KItemListWidget* widget = m_visibleItems.value(index);
+    if (widget) {
+        const QRectF &textRect = widget->textRect();
+        if (!textRect.isEmpty()) {
+            const QPointF mappedPos = widget->mapFromItem(this, pos);
+            return textRect.contains(mappedPos);
+        }
+    }
+    return false;
+}
+
 int KItemListView::firstVisibleIndex() const
 {
     return m_layouter->firstVisibleIndex();
@@ -464,9 +472,9 @@ int KItemListView::lastVisibleIndex() const
     return m_layouter->lastVisibleIndex();
 }
 
-void KItemListView::calculateItemSizeHints(QVector<QSizeF>& sizeHints) const
+void KItemListView::calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint) const
 {
-    widgetCreator()->calculateItemSizeHints(sizeHints, this);
+    widgetCreator()->calculateItemSizeHints(logicalHeightHints, logicalWidthHint, this);
 }
 
 void KItemListView::setSupportsItemExpanding(bool supportsExpanding)
@@ -549,7 +557,7 @@ void KItemListView::endTransaction()
     --m_activeTransactions;
     if (m_activeTransactions < 0) {
         m_activeTransactions = 0;
-        kWarning() << "Mismatch between beginTransaction()/endTransaction()";
+        qCWarning(DolphinDebug) << "Mismatch between beginTransaction()/endTransaction()";
     }
 
     if (m_activeTransactions == 0) {
@@ -634,7 +642,7 @@ QPixmap KItemListView::createDragPixmap(const KItemSet& indexes) const
 
 void KItemListView::editRole(int index, const QByteArray& role)
 {
-    KItemListWidget* widget = m_visibleItems.value(index);
+    KStandardItemListWidget* widget = qobject_cast<KStandardItemListWidget *>(m_visibleItems.value(index));
     if (!widget || m_editingRole) {
         return;
     }
@@ -646,6 +654,9 @@ void KItemListView::editRole(int index, const QByteArray& role)
             this, &KItemListView::slotRoleEditingCanceled);
     connect(widget, &KItemListWidget::roleEditingFinished,
             this, &KItemListView::slotRoleEditingFinished);
+
+    connect(this, &KItemListView::scrollOffsetChanged,
+            widget, &KStandardItemListWidget::finishRoleEditing);
 }
 
 void KItemListView::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
@@ -941,7 +952,7 @@ void KItemListView::dragEnterEvent(QGraphicsSceneDragDropEvent* event)
     setAutoScroll(true);
 }
 
-void KItemListView::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
+void KItemListView::dragMoveEvent(QGraphicsSceneDragDropEvent* event)
 {
     QGraphicsWidget::dragMoveEvent(event);
 
@@ -951,7 +962,7 @@ void KItemListView::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
     }
 }
 
-void KItemListView::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
+void KItemListView::dragLeaveEvent(QGraphicsSceneDragDropEvent* event)
 {
     QGraphicsWidget::dragLeaveEvent(event);
     setAutoScroll(false);
@@ -1012,7 +1023,7 @@ void KItemListView::slotItemsInserted(const KItemRangeList& itemRanges)
         const int index = range.index + previouslyInsertedCount;
         const int count = range.count;
         if (index < 0 || count <= 0) {
-            kWarning() << "Invalid item range (index:" << index << ", count:" << count << ")";
+            qCWarning(DolphinDebug) << "Invalid item range (index:" << index << ", count:" << count << ")";
             continue;
         }
         previouslyInsertedCount += count;
@@ -1053,11 +1064,17 @@ void KItemListView::slotItemsInserted(const KItemRangeList& itemRanges)
                                               (!verticalScrollOrientation && maximumScrollOffset() > size().width());
             if (decreaseLayouterSize) {
                 const int scrollBarExtent = style()->pixelMetric(QStyle::PM_ScrollBarExtent);
+
+                int scrollbarSpacing = 0;
+                if (style()->styleHint(QStyle::SH_ScrollView_FrameOnlyAroundContents)) {
+                    scrollbarSpacing = style()->pixelMetric(QStyle::PM_ScrollView_ScrollBarSpacing);
+                }
+
                 QSizeF layouterSize = m_layouter->size();
                 if (verticalScrollOrientation) {
-                    layouterSize.rwidth() -= scrollBarExtent;
+                    layouterSize.rwidth() -= scrollBarExtent + scrollbarSpacing;
                 } else {
-                    layouterSize.rheight() -= scrollBarExtent;
+                    layouterSize.rheight() -= scrollBarExtent + scrollbarSpacing;
                 }
                 m_layouter->setSize(layouterSize);
             }
@@ -1114,14 +1131,14 @@ void KItemListView::slotItemsRemoved(const KItemRangeList& itemRanges)
         const int index = range.index;
         const int count = range.count;
         if (index < 0 || count <= 0) {
-            kWarning() << "Invalid item range (index:" << index << ", count:" << count << ")";
+            qCWarning(DolphinDebug) << "Invalid item range (index:" << index << ", count:" << count << ")";
             continue;
         }
 
         const int firstRemovedIndex = index;
         const int lastRemovedIndex = index + count - 1;
 
-        // Remeber which items have to be moved because they are behind the removed range.
+        // Remember which items have to be moved because they are behind the removed range.
         QVector<int> itemsToMove;
 
         // Remove all KItemListWidget instances that got deleted
@@ -1267,9 +1284,12 @@ void KItemListView::slotItemsChanged(const KItemRangeList& itemRanges,
             updateVisibleGroupHeaders();
             doLayout(NoAnimation);
         }
+
+        QAccessibleTableModelChangeEvent ev(this, QAccessibleTableModelChangeEvent::DataChanged);
+        ev.setFirstRow(itemRange.index);
+        ev.setLastRow(itemRange.index + itemRange.count);
+        QAccessible::updateAccessibility(&ev);
     }
-#pragma message("TODO: port accessibility otherwise the following line asserts")
-    //QAccessible::updateAccessibility(this, 0, QAccessible::TableModelChanged);
 }
 
 void KItemListView::slotGroupsChanged()
@@ -1332,17 +1352,23 @@ void KItemListView::slotCurrentChanged(int current, int previous)
 {
     Q_UNUSED(previous);
 
-    KItemListWidget* previousWidget = m_visibleItems.value(previous, 0);
-    if (previousWidget) {
-        previousWidget->setCurrent(false);
-    }
+    // In SingleSelection mode (e.g., in the Places Panel), the current item is
+    // always the selected item. It is not necessary to highlight the current item then.
+    if (m_controller->selectionBehavior() != KItemListController::SingleSelection) {
+        KItemListWidget* previousWidget = m_visibleItems.value(previous, 0);
+        if (previousWidget) {
+            previousWidget->setCurrent(false);
+        }
 
-    KItemListWidget* currentWidget = m_visibleItems.value(current, 0);
-    if (currentWidget) {
-        currentWidget->setCurrent(true);
+        KItemListWidget* currentWidget = m_visibleItems.value(current, 0);
+        if (currentWidget) {
+            currentWidget->setCurrent(true);
+        }
     }
-#pragma message("TODO: port accessibility otherwise the following line asserts")
-    //QAccessible::updateAccessibility(this, current+1, QAccessible::Focus);
+
+    QAccessibleEvent ev(this, QAccessible::Focus);
+    ev.setChild(current);
+    QAccessible::updateAccessibility(&ev);
 }
 
 void KItemListView::slotSelectionChanged(const KItemSet& current, const KItemSet& previous)
@@ -1979,7 +2005,12 @@ void KItemListView::updateWidgetProperties(KItemListWidget* widget, int index)
     widget->setStyleOption(m_styleOption);
 
     const KItemListSelectionManager* selectionManager = m_controller->selectionManager();
-    widget->setCurrent(index == selectionManager->currentItem());
+
+    // In SingleSelection mode (e.g., in the Places Panel), the current item is
+    // always the selected item. It is not necessary to highlight the current item then.
+    if (m_controller->selectionBehavior() != KItemListController::SingleSelection) {
+        widget->setCurrent(index == selectionManager->currentItem());
+    }
     widget->setSelected(selectionManager->isSelected(index));
     widget->setHovered(false);
     widget->setEnabledSelectionToggle(enabledSelectionToggles());
@@ -2423,7 +2454,7 @@ int KItemListView::showDropIndicator(const QPointF& pos)
         if (mappedPos.y() >= 0 && mappedPos.y() <= rect.height()) {
             if (m_model->supportsDropping(widget->index())) {
                 // Keep 30% of the rectangle as the gap instead of always having a fixed gap
-                const int gap = qMax(4.0, 0.3 * rect.height());
+                const int gap = qMax(qreal(4.0), qreal(0.3) * rect.height());
                 if (mappedPos.y() >= gap && mappedPos.y() <= rect.height() - gap) {
                     return -1;
                 }
@@ -2611,13 +2642,14 @@ bool KItemListView::hasSiblingSuccessor(int index) const
 
 void KItemListView::disconnectRoleEditingSignals(int index)
 {
-    KItemListWidget* widget = m_visibleItems.value(index);
+    KStandardItemListWidget* widget = qobject_cast<KStandardItemListWidget *>(m_visibleItems.value(index));
     if (!widget) {
         return;
     }
 
     disconnect(widget, &KItemListWidget::roleEditingCanceled, this, nullptr);
     disconnect(widget, &KItemListWidget::roleEditingFinished, this, nullptr);
+    disconnect(this, &KItemListView::scrollOffsetChanged, widget, nullptr);
 }
 
 int KItemListView::calculateAutoScrollingIncrement(int pos, int range, int oldInc)
@@ -2711,4 +2743,3 @@ void KItemListGroupHeaderCreatorBase::recycle(KItemListGroupHeader* header)
     pushRecycleableWidget(header);
 }
 
-#include "kitemlistview.moc"