From 14783157baf0d812b8c168aed67aeca362c5710e Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Sat, 28 Jul 2007 22:59:22 +0000
Subject: [PATCH] don't load directories when hovering folders during moving
 the mouse...

svn path=/trunk/KDE/kdebase/apps/; revision=693757
---
 src/dolphincolumnview.cpp | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/dolphincolumnview.cpp b/src/dolphincolumnview.cpp
index e3e084718..3c8a43e2b 100644
--- a/src/dolphincolumnview.cpp
+++ b/src/dolphincolumnview.cpp
@@ -71,6 +71,8 @@ protected:
     virtual void dragMoveEvent(QDragMoveEvent* event);
     virtual void dropEvent(QDropEvent* event);
     virtual void mousePressEvent(QMouseEvent* event);
+    virtual void mouseMoveEvent(QMouseEvent* event);
+    virtual void mouseReleaseEvent(QMouseEvent* event);
     virtual void paintEvent(QPaintEvent* event);
     virtual void contextMenuEvent(QContextMenuEvent* event);
 
@@ -83,6 +85,7 @@ private:
 
 private:
     bool m_active;
+    bool m_swallowMouseMoveEvents;;
     DolphinColumnView* m_view;
     KUrl m_url;
     QStyleOptionViewItem m_viewOptions;
@@ -96,6 +99,7 @@ ColumnWidget::ColumnWidget(QWidget* parent,
                            const KUrl& url) :
     QListView(parent),
     m_active(true),
+    m_swallowMouseMoveEvents(false),
     m_view(columnView),
     m_url(url),
     m_dragging(false),
@@ -232,8 +236,6 @@ void ColumnWidget::mousePressEvent(QMouseEvent* event)
 {
     if (m_active) {
         selectionModel()->clear();
-        QListView::mousePressEvent(event);
-        return;
     }
 
     QListView::mousePressEvent(event);
@@ -252,6 +254,10 @@ void ColumnWidget::mousePressEvent(QMouseEvent* event)
     } else {
         // a click on the viewport has been done
         requestActivation = true;
+
+        // Swallow mouse move events if a click is done on the viewport. Otherwise the QColumnView
+        // triggers an unwanted loading of directories on hovering folder items.
+        m_swallowMouseMoveEvents = true;
     }
 
     if (requestActivation) {
@@ -261,6 +267,21 @@ void ColumnWidget::mousePressEvent(QMouseEvent* event)
     }
 }
 
+void ColumnWidget::mouseMoveEvent(QMouseEvent* event)
+{
+    // see description in ColumnView::mousePressEvent()
+    if (!m_swallowMouseMoveEvents) {
+        QListView::mouseMoveEvent(event);
+    }
+}
+
+void ColumnWidget::mouseReleaseEvent(QMouseEvent* event)
+{
+    QListView::mouseReleaseEvent(event);
+    m_swallowMouseMoveEvents = false;
+}
+
+
 void ColumnWidget::paintEvent(QPaintEvent* event)
 {
     QListView::paintEvent(event);
-- 
2.47.3