kpreviewwidgetbase.h
00001 /* This file is part of the KDE libraries 00002 * Copyright (C) 2001 Frerich Raabe <raabe@kde.org> 00003 * 2003 Carsten Pfeiffer <pfeiffer@kde.org> 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Library General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Library General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Library General Public License 00016 * along with this library; see the file COPYING.LIB. If not, write to 00017 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00018 * Boston, MA 02110-1301, USA. 00019 */ 00020 00021 #ifndef __KPREVIEWWIDGETBASE_H__ 00022 #define __KPREVIEWWIDGETBASE_H__ 00023 00024 #include <tqptrdict.h> 00025 #include <tqwidget.h> 00026 00027 #include <kdelibs_export.h> 00028 00029 class KURL; 00030 00044 class KIO_EXPORT KPreviewWidgetBase : public TQWidget 00045 { 00046 Q_OBJECT 00047 00048 public: 00057 KPreviewWidgetBase(TQWidget *parent, const char *name=0); 00058 ~KPreviewWidgetBase(); 00059 00060 public slots: 00067 virtual void showPreview(const KURL &url) = 0; 00068 00074 virtual void clearPreview() = 0; 00075 00076 TQStringList supportedMimeTypes() const; 00077 00078 protected: 00079 void setSupportedMimeTypes( const TQStringList& mimeTypes ); 00080 00081 protected: 00082 virtual void virtual_hook( int, void* ) {}; 00083 00084 private: 00085 class KPreviewWidgetBasePrivate; 00086 KPreviewWidgetBasePrivate * d() const { 00087 return s_private->find( const_cast<KPreviewWidgetBase*>( this ) ); 00088 } 00089 static TQPtrDict<KPreviewWidgetBasePrivate> * s_private; 00090 }; 00091 00092 #endif