summaryrefslogtreecommitdiffstats
path: root/src/dolphindetailsview.cpp
blob: 8c684548559907599eab0dc7db790e8243ab3f05 (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
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
/***************************************************************************
 *   Copyright (C) 2006 by Peter Penz                                      *
 *   [email protected]                                                     *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
 ***************************************************************************/

#include "dolphindetailsview.h"

#include <kurldrag.h>
#include <tqpainter.h>
#include <tqobjectlist.h>
#include <tqheader.h>
#include <tqclipboard.h>
#include <tqpainter.h>
#include <klocale.h>
#include <kglobalsettings.h>
#include <tqscrollbar.h>
#include <tqcursor.h>
#include <tqstyle.h>
#include <assert.h>

#include "dolphinview.h"
#include "viewproperties.h"
#include "dolphin.h"
#include "kiconeffect.h"
#include "dolphinsettings.h"
#include "dolphinstatusbar.h"
#include "dolphindetailsviewsettings.h"

DolphinDetailsView::DolphinDetailsView(DolphinView* tqparent) :
    KFileDetailView(tqparent, 0),
    m_dolphinView(tqparent),
    m_resizeTimer(0),
    m_scrollTimer(0),
    m_rubber(0)
{
    m_resizeTimer = new TQTimer(this);
    connect(m_resizeTimer, TQT_SIGNAL(timeout()),
            this, TQT_SLOT(updateColumnsWidth()));

    setAcceptDrops(true);
    setSelectionMode(KFile::Extended);
    setHScrollBarMode(TQScrollView::AlwaysOff);

    setColumnAlignment(SizeColumn, TQt::AlignRight);
    for (int i = DateColumn; i <= GroupColumn; ++i) {
        setColumnAlignment(i, TQt::AlignHCenter);
    }

    Dolphin& dolphin = Dolphin::mainWin();

    connect(this, TQT_SIGNAL(onItem(TQListViewItem*)),
            this, TQT_SLOT(slotOnItem(TQListViewItem*)));
    connect(this, TQT_SIGNAL(onViewport()),
            this, TQT_SLOT(slotOnViewport()));
    connect(this, TQT_SIGNAL(contextMenuRequested(TQListViewItem*, const TQPoint&, int)),
            this, TQT_SLOT(slotContextMenuRequested(TQListViewItem*, const TQPoint&, int)));
    connect(this, TQT_SIGNAL(selectionChanged()),
            &dolphin, TQT_SLOT(slotSelectionChanged()));
    connect(&dolphin, TQT_SIGNAL(activeViewChanged()),
            this, TQT_SLOT(slotActivationUpdate()));
    connect(this, TQT_SIGNAL(itemRenamed(TQListViewItem*, const TQString&, int)),
            this, TQT_SLOT(slotItemRenamed(TQListViewItem*, const TQString&, int)));
    connect(this, TQT_SIGNAL(dropped(TQDropEvent*, const KURL::List&, const KURL&)),
            tqparent, TQT_SLOT(slotURLListDropped(TQDropEvent*, const KURL::List&, const KURL&)));

    TQClipboard* clipboard = TQApplication::tqclipboard();
    connect(clipboard, TQT_SIGNAL(dataChanged()),
            this, TQT_SLOT(slotUpdateDisabledItems()));

    TQHeader* viewHeader = header();
    viewHeader->setResizeEnabled(false);
    viewHeader->setMovingEnabled(false);
    connect(viewHeader, TQT_SIGNAL(clicked(int)),
            this, TQT_SLOT(slotHeaderClicked(int)));

    setMouseTracking(true);
    setDefaultRenameAction(TQListView::Accept);

    refreshSettings();
}

DolphinDetailsView::~DolphinDetailsView()
{
    delete m_rubber;
    m_rubber = 0;
}

void DolphinDetailsView::beginItemUpdates()
{
}

void DolphinDetailsView::endItemUpdates()
{
    updateDisabledItems();

    // Restore the current item. Use the information stored in the history if
    // available. Otherwise use the first item as current item.

    const KFileListViewItem* item = static_cast<const KFileListViewItem*>(firstChild());
    if (item != 0) {
        setCurrentItem(item->fileInfo());
    }

    int index = 0;
    const TQValueList<URLNavigator::HistoryElem> history = m_dolphinView->urlHistory(index);
    if (!history.isEmpty()) {
        KFileView* fileView = static_cast<KFileView*>(this);
        fileView->setCurrentItem(history[index].currentFileName());
        setContentsPos(history[index].contentsX(), history[index].contentsY());
    }

    updateColumnsWidth();
}

void DolphinDetailsView::insertItem(KFileItem* fileItem)
{
    KFileView::insertItem(fileItem);

    DolphinListViewItem* item = new DolphinListViewItem(static_cast<TQListView*>(this), fileItem);

    TQDir::SortSpec spec = KFileView::sorting();
    if (spec & TQDir::Time) {
        item->setKey(sortingKey(fileItem->time(KIO::UDS_MODIFICATION_TIME),
                                fileItem->isDir(),
                                spec));
    }
    else if (spec & TQDir::Size) {
       item->setKey(sortingKey(fileItem->size(), fileItem->isDir(), spec));
    }
    else {
       item->setKey(sortingKey(fileItem->text(), fileItem->isDir(), spec));
    }

    fileItem->setExtraData(this, item);
}

bool DolphinDetailsView::isOnFilename(const TQListViewItem* item, const TQPoint& pos) const
{
    const TQPoint absPos(mapToGlobal(TQPoint(0, 0)));
    return (pos.x() - absPos.x()) <= filenameWidth(item);
}

void DolphinDetailsView::refreshSettings()
{
    const DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
    assert(settings != 0);

    for (int i = DolphinDetailsView::GroupColumn; i >= DolphinDetailsView::NameColumn; --i) {
        if (!settings->isColumnEnabled(i)) {
            removeColumn(i);
        }
    }

    TQFont adjustedFont(font());
    adjustedFont.setFamily(settings->fontFamily());
    adjustedFont.setPointSize(settings->fontSize());
    setFont(adjustedFont);

    updateView(true);
}

void DolphinDetailsView::zoomIn()
{
    if (isZoomInPossible()) {
        DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
        switch (settings->iconSize()) {
            case KIcon::SizeSmall:  settings->setIconSize(KIcon::SizeMedium); break;
            case KIcon::SizeMedium: settings->setIconSize(KIcon::SizeLarge); break;
            default: assert(false); break;
        }
        ItemEffectsManager::zoomIn();
    }
}

void DolphinDetailsView::zoomOut()
{
    if (isZoomOutPossible()) {
        DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
        switch (settings->iconSize()) {
            case KIcon::SizeLarge:  settings->setIconSize(KIcon::SizeMedium); break;
            case KIcon::SizeMedium: settings->setIconSize(KIcon::SizeSmall); break;
            default: assert(false); break;
        }
        ItemEffectsManager::zoomOut();
    }
}

bool DolphinDetailsView::isZoomInPossible() const
{
    DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
    return settings->iconSize() < KIcon::SizeLarge;
}

bool DolphinDetailsView::isZoomOutPossible() const
{
    DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
    return settings->iconSize() > KIcon::SizeSmall;
}

void DolphinDetailsView::resizeContents(int width, int height)
{
    KFileDetailView::resizeContents(width, height);

    // When loading several 1000 items a punch of resize events
    // drops in. As updating the column width is a quite expensive
    // operation, this operation will be postponed until there is
    // no resize event for at least 50 milliseconds.
    m_resizeTimer->stop();
    m_resizeTimer->start(50, true);
}

void DolphinDetailsView::slotOnItem(TQListViewItem* item)
{
    if (isOnFilename(item, TQCursor::pos())) {
        activateItem(item);
        KFileItem* fileItem = static_cast<KFileListViewItem*>(item)->fileInfo();
        m_dolphinView->requestItemInfo(fileItem->url());
    }
    else {
        resetActivatedItem();
    }
}

void DolphinDetailsView::slotOnViewport()
{
    resetActivatedItem();
    m_dolphinView->requestItemInfo(KURL());
}

void DolphinDetailsView::setContextPixmap(void* context,
                                        const TQPixmap& pixmap)
{
    reinterpret_cast<KFileListViewItem*>(context)->setPixmap(0, pixmap);
}

const TQPixmap* DolphinDetailsView::contextPixmap(void* context)
{
    return reinterpret_cast<KFileListViewItem*>(context)->pixmap(0);
}

void* DolphinDetailsView::firstContext()
{
    return reinterpret_cast<void*>(firstChild());
}

void* DolphinDetailsView::nextContext(void* context)
{
    KFileListViewItem* listViewItem = reinterpret_cast<KFileListViewItem*>(context);
    return reinterpret_cast<void*>(listViewItem->nextSibling());
}

KFileItem* DolphinDetailsView::contextFileInfo(void* context)
{
    return reinterpret_cast<KFileListViewItem*>(context)->fileInfo();
}


void DolphinDetailsView::contentsDragMoveEvent(TQDragMoveEvent* event)
{
    KFileDetailView::contentsDragMoveEvent(event);

    // If a dragging is done above a directory, show the icon as 'active' for
    // a visual feedback
    KFileListViewItem* item = static_cast<KFileListViewItem*>(itemAt(event->pos()));

    bool showActive = false;
    if (item != 0) {
        const KFileItem* fileInfo = item->fileInfo();
        showActive = (fileInfo != 0) && fileInfo->isDir();
    }

    if (showActive) {
        slotOnItem(item);
    }
    else {
        slotOnViewport();
    }
}

void DolphinDetailsView::resizeEvent(TQResizeEvent* event)
{
    KFileDetailView::resizeEvent(event);

    // When loading several 1000 items a punch of resize events
    // drops in. As updating the column width is a quite expensive
    // operation, this operation will be postponed until there is
    // no resize event for at least 50 milliseconds.
    m_resizeTimer->stop();
    m_resizeTimer->start(50, true);
}

bool DolphinDetailsView::acceptDrag(TQDropEvent* event) const
{
    bool accept = KURLDrag::canDecode(event) &&
                  (event->action() == TQDropEvent::Copy ||
                   event->action() == TQDropEvent::Move ||
                   event->action() == TQDropEvent::Link);
    if (accept) {
        if (static_cast<const TQWidget*>(event->source()) == this) {
            KFileListViewItem* item = static_cast<KFileListViewItem*>(itemAt(event->pos()));
            accept = (item != 0);
            if (accept) {
                KFileItem* fileItem = item->fileInfo();
                accept = fileItem->isDir();
            }
        }
    }

    return accept;
}

void DolphinDetailsView::contentsDropEvent(TQDropEvent* event)
{
    // KFileDetailView::contentsDropEvent does not care whether the mouse
    // cursor is above a filename or not, the destination URL is always
    // the URL of the item. This is fixed here in a way that the destination
    // URL is only the URL of the item if the cursor is above the filename.
    const TQPoint pos(TQCursor::pos());
    const TQPoint viewportPos(viewport()->mapToGlobal(TQPoint(0, 0)));
    TQListViewItem* item = itemAt(TQPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
    if ((item == 0) || ((item != 0) && isOnFilename(item, pos))) {
        // dropping is done on the viewport or directly above a filename
        KFileDetailView::contentsDropEvent(event);
        return;
    }

    // Dropping is done above an item, but the mouse cursor is not above the file name.
    // In this case the signals of the base implementation will be blocked and send
    // in a corrected manner afterwards.
    assert(item != 0);
    const bool block = signalsBlocked();
    blockSignals(true);
    KFileDetailView::contentsDropEvent(event);
    blockSignals(block);

    if (!acceptDrag(event)) {
        return;
    }

    emit dropped(event, 0);
    KURL::List urls;
    if (KURLDrag::decode(event, urls) && !urls.isEmpty()) {
        emit dropped(event, urls, KURL());
        sig->dropURLs(0, event, urls);
    }
}

void DolphinDetailsView::contentsMousePressEvent(TQMouseEvent* event)
{
    if (m_rubber != 0) {
        drawRubber();
        delete m_rubber;
        m_rubber = 0;
    }

    // Swallow the base implementation of the mouse press event
    // if the mouse cursor is not above the filename. This prevents
    // that the item gets selected and simulates an equal usability
    // like in the icon view.
    const TQPoint pos(TQCursor::pos());
    const TQPoint viewportPos(viewport()->mapToGlobal(TQPoint(0, 0)));
    TQListViewItem* item = itemAt(TQPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
    if ((item != 0) && isOnFilename(item, pos)) {
        KFileDetailView::contentsMousePressEvent(event);
    }
    else if (event->button() == Qt::LeftButton) {
        const ButtonState keyboardState = KApplication::keyboardMouseState();
        const bool isSelectionActive = (keyboardState & ShiftButton) ||
                                       (keyboardState & ControlButton);
        if (!isSelectionActive) {
            clearSelection();
        }

        assert(m_rubber == 0);
        m_rubber = new TQRect(event->x(), event->y(), 0, 0);
    }

    resetActivatedItem();
    emit signalRequestActivation();

    m_dolphinView->statusBar()->clear();
}

void DolphinDetailsView::contentsMouseMoveEvent(TQMouseEvent* event)
{
    if (m_rubber != 0) {
        slotAutoScroll();
        return;
    }

    KFileDetailView::contentsMouseMoveEvent(event);

    const TQPoint& pos = event->globalPos();
    const TQPoint viewportPos = viewport()->mapToGlobal(TQPoint(0, 0));
    TQListViewItem* item = itemAt(TQPoint(pos.x() - viewportPos.x(), pos.y() - viewportPos.y()));
    if ((item != 0) && isOnFilename(item, pos)) {
        activateItem(item);
    }
    else {
        resetActivatedItem();
    }
}

void DolphinDetailsView::contentsMouseReleaseEvent(TQMouseEvent* event)
{
    if (m_rubber != 0) {
        drawRubber();
        delete m_rubber;
        m_rubber = 0;
    }

    if (m_scrollTimer != 0) {
        disconnect(m_scrollTimer, TQT_SIGNAL(timeout()),
                    this, TQT_SLOT(slotAutoScroll()));
        m_scrollTimer->stop();
        delete m_scrollTimer;
        m_scrollTimer = 0;
    }

    KFileDetailView::contentsMouseReleaseEvent(event);
}

void DolphinDetailsView::paintEmptyArea(TQPainter* painter, const TQRect& rect)
{
    if (m_dolphinView->isActive()) {
        KFileDetailView::paintEmptyArea(painter, rect);
    }
    else {
        const TQBrush brush(tqcolorGroup().background());
        painter->fillRect(rect, brush);
    }
}

void DolphinDetailsView::drawRubber()
{
    // Parts of the following code have been taken
    // from the class KonqBaseListViewWidget located in
    // konqueror/listview/konq_listviewwidget.h of Konqueror.
    // (Copyright (C) 1998, 1999 Torben Weis <[email protected]>
    //  2001, 2002, 2004 Michael Brade <[email protected]>)
    if (m_rubber == 0) {
        return;
    }

    TQPainter p;
    p.begin(viewport());
    p.setRasterOp(NotROP);
    p.setPen(TQPen(color0, 1));
    p.setBrush(NoBrush);

    TQPoint point(m_rubber->x(), m_rubber->y());
    point = contentsToViewport(point);
    tqstyle().tqdrawPrimitive(TQStyle::PE_FocusRect, &p,
                          TQRect(point.x(), point.y(), m_rubber->width(), m_rubber->height()),
                          tqcolorGroup(), TQStyle::Style_Default, tqcolorGroup().base());
    p.end();
}

void DolphinDetailsView::viewportPaintEvent(TQPaintEvent* paintEvent)
{
    drawRubber();
    KFileDetailView::viewportPaintEvent(paintEvent);
    drawRubber();
}

void DolphinDetailsView::leaveEvent(TQEvent* event)
{
    KFileDetailView::leaveEvent(event);
    slotOnViewport();
}

void DolphinDetailsView::slotActivationUpdate()
{
    update();

    // TODO: there must be a simpler way to say
    // "update all tqchildren"
    const TQObjectList list = childrenListObject();
    if (list.isEmpty()) {
        return;
    }

    TQObjectListIterator it(list);
    TQObject* object = 0;
    while ((object = it.current()) != 0) {
        if (object->inherits(TQWIDGET_OBJECT_NAME_STRING)) {
            TQWidget* widget = TQT_TQWIDGET(object);
            widget->update();
        }
        ++it;
    }
}

void DolphinDetailsView::slotContextMenuRequested(TQListViewItem* item,
                                                  const TQPoint& pos,
                                                  int /* col */)
{
    KFileItem* fileInfo = 0;
    if ((item != 0) && isOnFilename(item, pos)) {
        fileInfo = static_cast<KFileListViewItem*>(item)->fileInfo();
    }
    m_dolphinView->openContextMenu(fileInfo, pos);

}

void DolphinDetailsView::slotUpdateDisabledItems()
{
    updateDisabledItems();
}

void DolphinDetailsView::slotAutoScroll()
{
    // Parts of the following code have been taken
    // from the class KonqBaseListViewWidget located in
    // konqueror/listview/konq_listviewwidget.h of Konqueror.
    // (Copyright (C) 1998, 1999 Torben Weis <[email protected]>
    //  2001, 2002, 2004 Michael Brade <[email protected]>)

    const TQPoint pos(viewport()->mapFromGlobal(TQCursor::pos()));
    const TQPoint vc(viewportToContents(pos));

    if (vc == m_rubber->bottomRight()) {
        return;
    }

    drawRubber();

    m_rubber->setBottomRight(vc);

    TQListViewItem* item = itemAt(TQPoint(0,0));

    const bool block = signalsBlocked();
    blockSignals(true);

    const TQRect rubber(m_rubber->normalize());
    const int bottom = contentsY() + visibleHeight() - 1;

    // select all items which intersect with the rubber, deselect all others
    bool bottomReached = false;
    while ((item != 0) && !bottomReached) {
        TQRect rect(tqitemRect(item));
        rect.setWidth(filenameWidth(item));
        rect = TQRect(viewportToContents(rect.topLeft()),
                     viewportToContents(rect.bottomRight()));
        if (rect.isValid() && (rect.top() <= bottom)) {
            const KFileItem* fileItem = static_cast<KFileListViewItem*>(item)->fileInfo();
            setSelected(fileItem, rect.intersects(rubber));
            item = item->itemBelow();
        }
        else {
            bottomReached = true;
        }
    }

    blockSignals(block);
    emit selectionChanged();

    drawRubber();

    // scroll the viewport if the top or bottom margin is reached
    const int scrollMargin = 40;
    ensureVisible(vc.x(), vc.y(), scrollMargin, scrollMargin);
    const bool scroll = !TQRect(scrollMargin,
                               scrollMargin,
                               viewport()->width()  - 2 * scrollMargin,
                               viewport()->height() - 2 * scrollMargin).contains(pos);
    if (scroll) {
        if (m_scrollTimer == 0) {
            m_scrollTimer = new TQTimer( this );
            connect(m_scrollTimer, TQT_SIGNAL(timeout()),
                    this, TQT_SLOT(slotAutoScroll()));
            m_scrollTimer->start(100, false);
        }
    }
    else if (m_scrollTimer != 0) {
        disconnect(m_scrollTimer, TQT_SIGNAL(timeout()),
                   this, TQT_SLOT(slotAutoScroll()));
        m_scrollTimer->stop();
        delete m_scrollTimer;
        m_scrollTimer = 0;
    }
}

void DolphinDetailsView::updateColumnsWidth()
{
    const int columnCount = columns();
    int requiredWidth = 0;
    for (int i = 1; i < columnCount; ++i) {
        // When a directory contains no items, a minimum width for
        // the column must be available, so that the header is readable.
        // TODO: use header data instead of the hardcoded 64 value...
        int columnWidth = 64;
        TQFontMetrics fontMetrics(font());
        for (TQListViewItem* item = firstChild(); item != 0; item = item->nextSibling()) {
            const int width = item->width(fontMetrics, this, i);
            if (width > columnWidth) {
                columnWidth = width;
            }
        }
        columnWidth += 16;    // add custom margin
        setColumnWidth(i, columnWidth);
        requiredWidth += columnWidth;
    }

    // resize the first column in a way that the
    // whole available width is used
    int firstColumnWidth = visibleWidth() - requiredWidth;
    if (firstColumnWidth < 128) {
        firstColumnWidth = 128;
    }
    setColumnWidth(0, firstColumnWidth);
}

void DolphinDetailsView::slotItemRenamed(TQListViewItem* item,
                                         const TQString& name,
                                         int /* column */)
{
    KFileItem* fileInfo = static_cast<KFileListViewItem*>(item)->fileInfo();
    m_dolphinView->rename(KURL(fileInfo->url()), name);
}

void DolphinDetailsView::slotHeaderClicked(int /* section */)
{
    // The sorting has already been changed in TQListView if this slot is
    // invoked, but Dolphin was not informed about this (no signal is available
    // which indicates a change of the sorting). This is bypassed by changing
    // the sorting and sort order to a temporary other value and readjust it again.
    const int column = sortColumn();
    if (column <= DateColumn) {
        DolphinView::Sorting sorting = DolphinView::SortByName;
        switch (column) {
            case SizeColumn: sorting = DolphinView::SortBySize; break;
            case DateColumn: sorting = DolphinView::SortByDate; break;
            case NameColumn:
            default: break;
        }

        const TQt::SortOrder currSortOrder = sortOrder();

        // temporary adjust the sorting and sort order to different values...
        const DolphinView::Sorting tempSorting = (sorting == DolphinView::SortByName) ?
                                                 DolphinView::SortBySize :
                                                 DolphinView::SortByName;
        m_dolphinView->setSorting(tempSorting);
        const TQt::SortOrder tempSortOrder = (currSortOrder == TQt::Ascending) ?
                                            TQt::Descending : TQt::Ascending;
        m_dolphinView->setSortOrder(tempSortOrder);

        // ... so that setting them again results in storing the new setting.
        m_dolphinView->setSorting(sorting);
        m_dolphinView->setSortOrder(currSortOrder);
    }
}

DolphinDetailsView::DolphinListViewItem::DolphinListViewItem(TQListView* tqparent,
                                                             KFileItem* fileItem) :
    KFileListViewItem(tqparent, fileItem)
{
    const int iconSize = DolphinSettings::instance().detailsView()->iconSize();
    KFileItem* info = fileInfo();
    setPixmap(DolphinDetailsView::NameColumn, info->pixmap(iconSize));

    // The base class KFileListViewItem represents the column 'Size' only as byte values.
    // Adjust those values in a way that a mapping to GBytes, MBytes, KBytes and Bytes
    // is done. As the file size for directories is useless (only the size of the directory i-node
    // is given), it is removed completely.
    if (fileItem->isDir()) {
        setText(SizeColumn, " - ");
    }
    else {
        TQString sizeText(KIO::convertSize(fileItem->size()));
        sizeText.append(" ");
        setText(SizeColumn, sizeText);
    }

    // Dolphin allows to remove specific columns, but the base class KFileListViewItem
    // is not aware about this (or at least the class KFileDetailView does not react on
    // TQListView::remove()). Therefore the columns are rearranged here.
    const DolphinDetailsViewSettings* settings = DolphinSettings::instance().detailsView();
    assert(settings != 0);

    int column_idx = DateColumn;    // the columns for 'name' and 'size' cannot get removed
    for (int i = DolphinDetailsView::DateColumn; i <= DolphinDetailsView::GroupColumn; ++i) {
        if (column_idx < i) {
            setText(column_idx, text(i));
        }
        if (settings->isColumnEnabled(i)) {
            ++column_idx;
        }
    }
}

DolphinDetailsView::DolphinListViewItem::~DolphinListViewItem()
{
}

void DolphinDetailsView::DolphinListViewItem::paintCell(TQPainter* painter,
                                                        const TQColorGroup& tqcolorGroup,
                                                        int column,
                                                        int cellWidth,
                                                        int tqalignment)
{
    const TQListView* view = listView();
    const bool isActive = TQT_BASE_OBJECT(view->tqparent()) == TQT_BASE_OBJECT(Dolphin::mainWin().activeView());
    if (isSelected()) {
        // Per default the selection is drawn above the whole width of the item. As a consistent
        // behavior with the icon view is wanted, only the the column containing the file name
        // should be shown as selected.
        TQColorGroup defaultColorGroup(tqcolorGroup);
        const TQColor highlightColor(isActive ? backgroundColor(column) : view->tqcolorGroup().background());
        defaultColorGroup.setColor(TQColorGroup::Highlight , highlightColor);
        defaultColorGroup.setColor(TQColorGroup::HighlightedText, tqcolorGroup.color(TQColorGroup::Text));
        KFileListViewItem::paintCell(painter, defaultColorGroup, column, cellWidth, tqalignment);

        if (column == 0) {
            // draw the selection only on the first column
            TQListView* tqparent = listView();
            const int itemWidth = width(tqparent->fontMetrics(), tqparent, 0);
            if (isActive) {
                KFileListViewItem::paintCell(painter, tqcolorGroup, column, itemWidth, tqalignment);
            }
            else {
                TQListViewItem::paintCell(painter, tqcolorGroup, column, itemWidth, tqalignment);
            }
        }
    }
    else {
        if (isActive) {
            KFileListViewItem::paintCell(painter, tqcolorGroup, column, cellWidth, tqalignment);
        }
        else {
            TQListViewItem::paintCell(painter, tqcolorGroup, column, cellWidth, tqalignment);
        }
    }

    if (column < listView()->columns() - 1) {
        // draw a separator between columns
        painter->setPen(KGlobalSettings::buttonBackground());
        painter->drawLine(cellWidth - 1, 0, cellWidth - 1, height() - 1);
    }
}

void DolphinDetailsView::DolphinListViewItem::paintFocus(TQPainter* painter,
                                                         const TQColorGroup& tqcolorGroup,
                                                         const TQRect& rect)
{
    // draw the focus consistently with the selection (see implementation notes
    // in DolphinListViewItem::paintCell)
    TQListView* tqparent = listView();
    int visibleWidth = width(tqparent->fontMetrics(), tqparent, 0);
    const int colWidth = tqparent->columnWidth(0);
    if (visibleWidth > colWidth) {
        visibleWidth = colWidth;
    }

    TQRect focusRect(rect);
    focusRect.setWidth(visibleWidth);

    KFileListViewItem::paintFocus(painter, tqcolorGroup, focusRect);
}

int DolphinDetailsView::filenameWidth(const TQListViewItem* item) const
{
    assert(item != 0);

    int visibleWidth = item->width(fontMetrics(), this, 0);
    const int colWidth = columnWidth(0);
    if (visibleWidth > colWidth) {
        visibleWidth = colWidth;
    }

    return visibleWidth;
}
#include "dolphindetailsview.moc"