Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 62 insertions, 0 deletions

diff --git a/kdeui/kscrollview.h b/kdeui/kscrollview.h
new file mode 100644
index 000000000..9326876af
--- /dev/null
+++ b/kdeui/kscrollview.h
@@ -0,0 +1,62 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 2005 Allan Sandfeld Jensen <kde@carewolf.com>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License version 2 as published by the Free Software Foundation.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+#ifndef KSCROLLVIEW_H
+#define KSCROLLVIEW_H
+
+#include <qscrollview.h>
+
+#include <kdelibs_export.h>
+
+/**
+ * @short A variant of QScrollView that supports smooth scrolling.
+ *
+ *
+ **/
+class KDEUI_EXPORT KScrollView : public QScrollView
+{
+  Q_OBJECT
+
+public:
+    KScrollView( QWidget *parent = 0, const char *name = 0, Qt::WFlags f = 0 );
+
+    ~KScrollView();
+
+public slots:
+    void scrollBy(int dx, int dy);
+//    virtual void setContentsPos(int x, int y);
+
+protected:
+    virtual void wheelEvent( QWheelEvent *e );
+
+    void startScrolling();
+    void stopScrolling();
+
+protected slots:
+    void scrollTick();
+
+private:
+    // All scrolls must be completed within 240ms of last keypress
+    static const int SCROLL_TIME = 240;
+    // Each step is 20 ms == 50 frames/second
+    static const int SCROLL_TICK = 20;
+
+    struct KScrollViewPrivate;
+    KScrollViewPrivate *d;
+};
+
+#endif