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kimagefilepreview.h
1 /*
2  *
3  * This file is part of the KDE project.
4  * Copyright (C) 2001 Martin R. Jones <mjones@kde.org>
5  * 2001 Carsten Pfeiffer <pfeiffer@kde.org>
6  *
7  * You can Freely distribute this program under the GNU Library General Public
8  * License. See the file "COPYING" for the exact licensing terms.
9  */
10 
11 #ifndef KIMAGEFILEPREVIEW_H
12 #define KIMAGEFILEPREVIEW_H
13 
14 #include <tqpixmap.h>
15 
16 #include <kurl.h>
17 #include <kpreviewwidgetbase.h>
18 
19 class TQCheckBox;
20 class TQPushButton;
21 class TQLabel;
22 class TQTimer;
23 
24 class KFileDialog;
25 class KFileItem;
26 namespace TDEIO { class Job; class PreviewJob; }
27 
31 class TDEIO_EXPORT KImageFilePreview : public KPreviewWidgetBase
32 {
33  TQ_OBJECT
34 
35  public:
36  KImageFilePreview(TQWidget *parent);
37  ~KImageFilePreview();
38 
39  virtual TQSize sizeHint() const;
40 
41  public slots:
42  virtual void showPreview(const KURL &url);
43  virtual void clearPreview();
44 
45  protected slots:
46  void showPreview();
47  void showPreview( const KURL& url, bool force );
48 
49  void toggleAuto(bool);
50  virtual void gotPreview( const KFileItem*, const TQPixmap& );
51 
52  protected:
53  virtual void resizeEvent(TQResizeEvent *e);
54  virtual TDEIO::PreviewJob * createJob( const KURL& url,
55  int w, int h );
56 
57  private slots:
58  void slotResult( TDEIO::Job * );
59  virtual void slotFailed( const KFileItem* );
60 
61  private:
62  bool autoMode;
63  KURL currentURL;
64  TQTimer *timer;
65  TQLabel *imageLabel;
66  TQLabel *infoLabel;
67  TQCheckBox *autoPreview;
68  TQPushButton *previewButton;
69  TDEIO::PreviewJob *m_job;
70  protected:
71  virtual void virtual_hook( int id, void* data );
72  private:
73  class KImageFilePreviewPrivate;
74  KImageFilePreviewPrivate *d;
75 };
76 
77 #endif // KIMAGEFILEPREVIEW_H
KFileDialog
Provides a user (and developer) friendly way to select files and directories.
Definition: tdefiledialog.h:77
KImageFilePreview
Image preview widget for the file dialog.
Definition: kimagefilepreview.h:32
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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