summaryrefslogtreecommitdiffstats
path: root/tdeio/tdefile/tdefileiconview.h
blob: 9ec5d7b1dd7ce38c4ae1a696f9f3a950ac15cd8f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
// -*- c++ -*-
/* This file is part of the KDE libraries
    Copyright (C) 1997 Stephan Kulow <coolo@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    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 TDEFILEICONVIEW_H
#define TDEFILEICONVIEW_H

#include <tqt.h>

#include <kiconview.h>
#include <kiconloader.h>
#include <tdefileview.h>
#include <kmimetyperesolver.h>
#include <tdefile.h>

class KFileItem;
class TQWidget;
class TQLabel;

/**
 * An item for the iconview, that has a reference to its corresponding
 * KFileItem.
 */
class TDEIO_EXPORT KFileIconViewItem : public KIconViewItem
{
public:
    KFileIconViewItem( TQIconView *parent, const TQString &text,
		       const TQPixmap &pixmap,
		       KFileItem *fi )
	: KIconViewItem( parent, text, pixmap ), inf( fi ) {}
    /**
     * @since 3.1
     */
    KFileIconViewItem( TQIconView *parent, KFileItem *fi )
	: KIconViewItem( parent ), inf( fi ) {}

    virtual ~KFileIconViewItem();

    /**
     * @returns the corresponding KFileItem
     */
    KFileItem *fileInfo() const {
	return inf;
    }

private:
    KFileItem *inf;

private:
    class KFileIconViewItemPrivate;
    KFileIconViewItemPrivate *d;

};

namespace TDEIO {
    class Job;
}

/**
 * An icon-view capable of showing KFileItem's. Used in the filedialog
 * for example. Most of the documentation is in KFileView class.
 *
 * @see KDirOperator
 * @see KCombiView
 * @see KFileDetailView
 */
class TDEIO_EXPORT KFileIconView : public KIconView, public KFileView
{
    Q_OBJECT

public:
    KFileIconView(TQWidget *parent, const char *name);
    virtual ~KFileIconView();

    virtual TQWidget *widget() { return this; }
    virtual void clearView();
    virtual void setAutoUpdate( bool ) {} // ### unused. remove in KDE4

    virtual void updateView( bool );
    virtual void updateView(const KFileItem*);
    virtual void removeItem(const KFileItem*);

    virtual void listingCompleted();

    virtual void insertItem( KFileItem *i );
    virtual void setSelectionMode( KFile::SelectionMode sm );

    virtual void setSelected(const KFileItem *, bool);
    virtual bool isSelected(const KFileItem *i) const;
    virtual void clearSelection();
    virtual void selectAll();
    virtual void invertSelection();

    virtual void setCurrentItem( const KFileItem * );
    virtual KFileItem * currentFileItem() const;
    virtual KFileItem * firstFileItem() const;
    virtual KFileItem * nextItem( const KFileItem * ) const;
    virtual KFileItem * prevItem( const KFileItem * ) const;

    /**
     * Sets the size of the icons to show. Defaults to KIcon::SizeSmall.
     */
    void setIconSize( int size );

    /**
     * Sets the size of the previews. Defaults to KIcon::SizeLarge.
     */
    void setPreviewSize( int size );

    /**
     * Disables the "Maximum file size" configuration option for previews
     *
     * Set this before calling showPreviews()
     *
     * @since 3.4
     **/
    void setIgnoreMaximumSize(bool ignoreSize=true);

    /**
     * @returns the current size used for icons.
     */
    int iconSize() const { return myIconSize; }

    void ensureItemVisible( const KFileItem * );

    virtual void setSorting(TQDir::SortSpec sort);

    virtual void readConfig( TDEConfig *, const TQString& group = TQString::null );
    virtual void writeConfig( TDEConfig *, const TQString& group = TQString::null);

    // for KMimeTypeResolver
    void mimeTypeDeterminationFinished();
    void determineIcon( KFileIconViewItem *item );
    TQScrollView *scrollWidget() const { return (TQScrollView*) this; }
    void setAcceptDrops(bool b) 
    {  
      KIconView::setAcceptDrops(b); 
      viewport()->setAcceptDrops(b);
    }

public slots:
    /**
     * Starts loading previews for all files shown and shows them. Switches
     * into 'large rows' mode, if that isn't the current mode yet.
     * 
     * @sa setIgnoreMaximumSize
     */
    void showPreviews();

    void zoomIn();
    
    void zoomOut();
    
    /**
     * Reimplemented for performance reasons.
     * @since 3.1
     */
    virtual void arrangeItemsInGrid( bool updated = true );

protected:
    /**
     * Reimplemented to not let TQIconView eat return-key events
     */
    virtual void keyPressEvent( TQKeyEvent * );

    /**
     * Reimplemented to remove an eventual tooltip
     */
    virtual void hideEvent( TQHideEvent * );

    // ### workaround for Qt3 bug (see #35080)
    virtual void showEvent( TQShowEvent * );

    virtual bool eventFilter( TQObject *o, TQEvent *e );

    // DND support
    virtual TQDragObject *dragObject();
    virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
    virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
    virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
    virtual void contentsDropEvent( TQDropEvent *ev );

    // KDE4: Make virtual
    bool acceptDrag(TQDropEvent* e ) const;

private slots:
    void selected( TQIconViewItem *item );
    void slotActivate( TQIconViewItem * );
    void highlighted( TQIconViewItem *item );
    void showToolTip( TQIconViewItem *item );
    void removeToolTip();
    void slotActivateMenu( TQIconViewItem *, const TQPoint& );
    void slotSelectionChanged();

    void slotSmallColumns();
    void slotLargeRows();
    void slotPreviewsToggled( bool );

    void slotPreviewResult( TDEIO::Job * );
    void gotPreview( const KFileItem *item, const TQPixmap& pix );
    void slotAutoOpen();

signals:
    /**
     * The user dropped something.
     * @p fileItem points to the item dropped on or can be 0 if the 
     * user dropped on empty space.
     * @since 3.2
     */
    void dropped(TQDropEvent *event, KFileItem *fileItem);
    /**
     * The user dropped the URLs @p urls.
     * @p url points to the item dropped on or can be empty if the
     * user dropped on empty space.
     * @since 3.2
     */
    void dropped(TQDropEvent *event, const KURL::List &urls, const KURL &url);

private:
    KMimeTypeResolver<KFileIconViewItem,KFileIconView> *m_resolver;

    TQLabel *toolTip;
    int th;
    int myIconSize;

    virtual void insertItem(TQIconViewItem *a, TQIconViewItem *b) { KIconView::insertItem(a, b); }
    virtual void setSelectionMode(TQIconView::SelectionMode m) { KIconView::setSelectionMode(m); }
    virtual void setSelected(TQIconViewItem *i, bool a, bool b) { KIconView::setSelected(i, a, b); }

    bool canPreview( const KFileItem * ) const;
    void stopPreview();

    void updateIcons();

    inline KFileIconViewItem * viewItem( const KFileItem *item ) const {
        if ( item )
            return (KFileIconViewItem *) item->extraData( this );
        return 0L;
    }

    void initItem(KFileIconViewItem *item, const KFileItem *i,
                  bool updateTextAndPixmap );

protected:
    virtual void virtual_hook( int id, void* data );
private:
    class KFileIconViewPrivate;
    KFileIconViewPrivate *d;
};

#endif // TDEFILESIMPLEVIEW_H