Merge branch 'Applications/18.12'

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

diff --git a/src/kitemviews/private/kitemlistheaderwidget.cpp b/src/kitemviews/private/kitemlistheaderwidget.cpp
index b55ba1eb51677d8c29267a91e2609c96621bd2f1..a3f3f521fa4063beb9504a5fbd06893889e72d69 100644 (file)
--- a/src/kitemviews/private/kitemlistheaderwidget.cpp
+++ b/src/kitemviews/private/kitemlistheaderwidget.cpp
@@ -18,22 +18,18 @@
  ***************************************************************************/
 
 #include "kitemlistheaderwidget.h"
-
-#include <KAction>
-#include <KMenu>
-#include <kitemviews/kitemmodelbase.h>
+#include "kitemviews/kitemmodelbase.h"
 
 #include <QApplication>
 #include <QGraphicsSceneHoverEvent>
 #include <QPainter>
 #include <QStyleOptionHeader>
 
-#include <KDebug>
 
 KItemListHeaderWidget::KItemListHeaderWidget(QGraphicsWidget* parent) :
     QGraphicsWidget(parent),
     m_automaticColumnResizing(true),
-    m_model(0),
+    m_model(nullptr),
     m_offset(0),
     m_columns(),
     m_columnWidths(),
@@ -62,19 +58,19 @@ void KItemListHeaderWidget::setModel(KItemModelBase* model)
     }
 
     if (m_model) {
-        disconnect(m_model, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
-                   this, SLOT(slotSortRoleChanged(QByteArray,QByteArray)));
-        disconnect(m_model, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
-                   this, SLOT(slotSortOrderChanged(Qt::SortOrder,Qt::SortOrder)));
+        disconnect(m_model, &KItemModelBase::sortRoleChanged,
+                   this, &KItemListHeaderWidget::slotSortRoleChanged);
+        disconnect(m_model, &KItemModelBase::sortOrderChanged,
+                   this, &KItemListHeaderWidget::slotSortOrderChanged);
     }
 
     m_model = model;
 
     if (m_model) {
-        connect(m_model, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
-                this, SLOT(slotSortRoleChanged(QByteArray,QByteArray)));
-        connect(m_model, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
-                this, SLOT(slotSortOrderChanged(Qt::SortOrder,Qt::SortOrder)));
+        connect(m_model, &KItemModelBase::sortRoleChanged,
+                this, &KItemListHeaderWidget::slotSortRoleChanged);
+        connect(m_model, &KItemModelBase::sortOrderChanged,
+                this, &KItemListHeaderWidget::slotSortOrderChanged);
     }
 }
 
@@ -224,10 +220,11 @@ void KItemListHeaderWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
             // Change the sort role and reset to the ascending order
             const QByteArray previous = m_model->sortRole();
             const QByteArray current = m_columns[m_pressedRoleIndex];
-            m_model->setSortRole(current);
+            const bool resetSortOrder = m_model->sortOrder() == Qt::DescendingOrder;
+            m_model->setSortRole(current, !resetSortOrder);
             emit sortRoleChanged(current, previous);
 
-            if (m_model->sortOrder() == Qt::DescendingOrder) {
+            if (resetSortOrder) {
                 m_model->setSortOrder(Qt::AscendingOrder);
                 emit sortOrderChanged(Qt::AscendingOrder, Qt::DescendingOrder);
             }
@@ -235,6 +232,13 @@ void KItemListHeaderWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
         break;
     }
 
+    case ResizeRoleOperation: {
+        const QByteArray pressedRole = m_columns[m_pressedRoleIndex];
+        const qreal currentWidth = m_columnWidths.value(pressedRole);
+        emit columnWidthChangeFinished(pressedRole, currentWidth);
+        break;
+    }
+
     case MoveRoleOperation:
         m_movingRole.pixmap = QPixmap();
         m_movingRole.x = 0;
@@ -327,6 +331,23 @@ void KItemListHeaderWidget::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
     }
 }
 
+void KItemListHeaderWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+    QGraphicsItem::mouseDoubleClickEvent(event);
+
+    const int roleIndex = roleIndexAt(event->pos());
+    if (roleIndex >= 0 && isAboveRoleGrip(event->pos(), roleIndex)) {
+        const QByteArray role = m_columns.at(roleIndex);
+
+        qreal previousWidth = columnWidth(role);
+        setColumnWidth(role, preferredColumnWidth(role));
+        qreal currentWidth = columnWidth(role);
+
+        emit columnWidthChanged(role, currentWidth, previousWidth);
+        emit columnWidthChangeFinished(role, currentWidth);
+    }
+}
+
 void KItemListHeaderWidget::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
 {
     QGraphicsWidget::hoverEnterEvent(event);
@@ -553,4 +574,3 @@ qreal KItemListHeaderWidget::roleXPosition(const QByteArray& role) const
     return -1;
 }
 
-#include "kitemlistheaderwidget.moc"