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, 79 insertions, 0 deletions

diff --git a/interfaces/khexedit/zoominterface.h b/interfaces/khexedit/zoominterface.h
new file mode 100644
index 000000000..494fbfd86
--- /dev/null
+++ b/interfaces/khexedit/zoominterface.h
@@ -0,0 +1,79 @@
+/***************************************************************************
+                          zoominterface.h  -  description
+                             -------------------
+    begin                : Fri Sep 12 2003
+    copyright            : (C) 2003 by Friedrich W. H. Kossebau
+    email                : Friedrich.W.H@Kossebau.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.       *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#ifndef ZOOMINTERFACE_H
+#define ZOOMINTERFACE_H
+
+
+namespace KHE
+{
+
+/**
+ * @short A simple interface for zooming
+ *
+ * This interface enables abstract linear zooming. 
+ * It operates in sizes of font point size.
+ *
+ * @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
+ * @see createBytesEditWidget(), zoomInterface()
+ * @since 3.2
+ */
+class ZoomInterface
+{
+  public:
+    /** enlarges the display
+      * @param PointInc increment to the display size (in font point size)
+      */
+    virtual void zoomIn( int PointInc ) = 0;
+    /** increases the display size by an arbitrary value, usually 1 font point 
+      * @see zoomOut()
+      */
+    virtual void zoomIn() = 0;
+    /** makes the display smaller
+      * @param PointDec decrement to the display size (in font point size)
+      */
+    virtual void zoomOut( int PointDec ) = 0;
+    /** decreases the display size by an arbitrary value, usually 1 font point 
+      * @see zoomIn()
+      */
+    virtual void zoomOut() = 0;
+    /** sets the display size
+      * @param PointSize new display size (in font point size)
+      */
+    virtual void zoomTo( int PointSize ) = 0;
+    /** resets the display to the default size */
+    virtual void unZoom() = 0;
+};
+
+
+/** tries to get the zoom interface of t   
+  * @return a pointer to the interface, otherwise 0
+  * @author Friedrich W. H. Kossebau <Friedrich.W.H@Kossebau.de>
+  * @since 3.2
+*/
+template<class T>
+ZoomInterface *zoomInterface( T *t )
+{
+  if( !t )
+    return 0;
+
+  return static_cast<ZoomInterface*>( t->qt_cast("KHE::ZoomInterface") );
+}
+
+}
+
+#endif