Provide horizontal auto scrolling for the tree view (implemented by Harald Hvaal). As soon as KTreeView is matured enough, it can be discussed whether it should be moved to kdelibs for KDE 4.2.

CCMAIL: [email protected]

svn path=/trunk/KDE/kdebase/apps/; revision=799723

1 files changed, 63 insertions, 0 deletions

diff --git a/src/ktreeview_p.h b/src/ktreeview_p.h
new file mode 100644
index 000000000..eb71999f7
--- /dev/null
+++ b/src/ktreeview_p.h
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by <haraldhv (at) stud.ntnu.no>                    *
+ *                                                                         *
+ *   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            *
+ ***************************************************************************/
+
+#ifndef _KTREEVIEW_P_H_
+#define _KTREEVIEW_P_H_
+
+#include <QTimer>
+#include <QObject>
+
+#include "ktreeview.h"
+
+class KTreeView::KTreeViewPrivate : public QObject
+{
+	Q_OBJECT
+
+
+
+	public Q_SLOTS:
+		void autoScrollTimeout();
+		void considerAutoScroll();
+
+	public:
+
+		KTreeViewPrivate(KTreeView *parent);
+		//~KTreeViewPrivate();
+		KTreeView *parent;
+
+		//Function for start scrolling towards a certain position
+		void setScrollTowards( int scrollTowards );
+
+		//Privates for doing the scrolling
+		QTimer scrollTimer;
+		QTimer considerDelayTimer;
+		bool autoHorizontalScroll;
+		int scrollTowards;
+
+		//Constants
+		const int scrollPixels;
+		const int scrollDelay;
+		const int leftSideMargin;
+		const int considerDelay;
+		const QPoint topLeftPoint;
+
+
+};
+
+#endif /* ifndef _KTREEVIEW_P_H_ */