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
|
/*
kopetelistviewsearchline.cpp - a widget for performing quick searches on Kopete::ListViews
Based on code from KMail, copyright (c) 2004 Till Adam <adam@kde.org>
Copyright (c) 2004 by Richard Smith <kde@metafoo.co.uk>
Kopete (c) 2004 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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. *
* *
*************************************************************************
*/
#include "kopetelistviewsearchline.h"
#include "kopetelistviewitem.h"
#include "kopetelistview.h"
namespace Kopete {
namespace UI {
namespace ListView {
SearchLine::SearchLine( TQWidget *parent, ListView *listView, const char *name )
: KListViewSearchLine( parent, listView, name )
{
}
SearchLine::SearchLine(TQWidget *parent, const char *name)
: KListViewSearchLine( parent, 0, name )
{
}
SearchLine::~SearchLine()
{
}
void SearchLine::updateSearch( const TQString &s )
{
// we copy a huge chunk of code here simply in order to override
// the way items are shown/hidden. KSearchLine rudely
// calls setVisible() on items with no way to customise this behaviour.
//BEGIN code from KSearchLine::updateSearch
if( !listView() )
return;
search = s.isNull() ? text() : s;
// If there's a selected item that is visible, make sure that it's visible
// when the search changes too (assuming that it still matches).
TQListViewItem *currentItem = 0;
switch( listView()->selectionMode() )
{
case KListView::NoSelection:
break;
case KListView::Single:
currentItem = listView()->selectedItem();
break;
default:
for( TQListViewItemIterator it(listView(), TQListViewItemIterator::Selected | TQListViewItemIterator::Visible);
it.current() && !currentItem; ++it )
{
if( listView()->tqitemRect( it.current() ).isValid() )
currentItem = it.current();
}
}
if( keepParentsVisible() )
checkItemParentsVisible( listView()->firstChild() );
else
checkItemParentsNotVisible();
if( currentItem )
listView()->ensureItemVisible( currentItem );
//END code from KSearchLine::updateSearch
}
void SearchLine::checkItemParentsNotVisible()
{
//BEGIN code from KSearchLine::checkItemParentsNotVisible
TQListViewItemIterator it( listView() );
for( ; it.current(); ++it )
{
TQListViewItem *item = it.current();
if( itemMatches( item, search ) )
setItemVisible( item, true );
else
setItemVisible( item, false );
}
//END code from KSearchLine::checkItemParentsNotVisible
}
bool SearchLine::checkItemParentsVisible( TQListViewItem *item )
{
//BEGIN code from KSearchLine::checkItemParentsVisible
bool visible = false;
for( ; item; item = item->nextSibling() ) {
if( ( item->firstChild() && checkItemParentsVisible( item->firstChild() ) ) ||
itemMatches( item, search ) )
{
setItemVisible( item, true );
// OUCH! this operation just became exponential-time.
// however, setting an item visible sets all its descendents
// visible too, which we definitely don't want.
// plus, in Kopete the nesting is never more than 2 deep,
// so this really just doubles the runtime, if that.
// this still can be done in O(n) time by a mark-set process,
// but that's overkill in our case.
checkItemParentsVisible( item->firstChild() );
visible = true;
}
else
setItemVisible( item, false );
}
return visible;
//END code from KSearchLine::checkItemParentsVisible
}
void SearchLine::setItemVisible( TQListViewItem *it, bool b )
{
if( Item *item = dynamic_cast<Item*>( it ) )
item->setSearchMatch( b );
else
it->setVisible( b );
}
} // namespace ListView
} // namespace UI
} // namespace Kopete
#include "kopetelistviewsearchline.moc"
|
