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kpreviewwidgetbase.h
1 /* This file is part of the KDE libraries
2  * Copyright (C) 2001 Frerich Raabe <raabe@kde.org>
3  * 2003 Carsten Pfeiffer <pfeiffer@kde.org>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef __KPREVIEWWIDGETBASE_H__
22 #define __KPREVIEWWIDGETBASE_H__
23 
24 #include <tqptrdict.h>
25 #include <tqwidget.h>
26 
27 #include <tdelibs_export.h>
28 
29 class KURL;
30 
44 class TDEIO_EXPORT KPreviewWidgetBase : public TQWidget
45 {
46  TQ_OBJECT
47 
48 public:
57  KPreviewWidgetBase(TQWidget *parent, const char *name=0);
58  ~KPreviewWidgetBase();
59 
60 public slots:
67  virtual void showPreview(const KURL &url) = 0;
68 
74  virtual void clearPreview() = 0;
75 
76  TQStringList supportedMimeTypes() const;
77 
78 protected:
79  void setSupportedMimeTypes( const TQStringList& mimeTypes );
80 
81 protected:
82  virtual void virtual_hook( int, void* ) {};
83 
84 private:
85  class KPreviewWidgetBasePrivate;
86  KPreviewWidgetBasePrivate * d() const {
87  return s_private->find( const_cast<KPreviewWidgetBase*>( this ) );
88  }
89  static TQPtrDict<KPreviewWidgetBasePrivate> * s_private;
90 };
91 
92 #endif
KPreviewWidgetBase
Abstract baseclass for all preview widgets which shall be used via KFileDialog::setPreviewWidget(cons...
Definition: kpreviewwidgetbase.h:45
KPreviewWidgetBase::showPreview
virtual void showPreview(const KURL &url)=0
This slot is called every time the user selects another file in the file dialog.
KPreviewWidgetBase::clearPreview
virtual void clearPreview()=0
Reimplement this to clear the preview.

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