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 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <vcl/quickselectionengine.hxx>
#include <vcl/event.hxx>
#include <vcl/timer.hxx>
#include <vcl/i18nhelp.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <sal/log.hxx>
#include <optional>
namespace vcl
{
struct QuickSelectionEngine_Data
{
ISearchableStringList& rEntryList;
OUString sCurrentSearchString;
::std::optional< sal_Unicode > aSingleSearchChar;
Timer aSearchTimeout;
explicit QuickSelectionEngine_Data( ISearchableStringList& _entryList )
:rEntryList( _entryList )
,sCurrentSearchString()
,aSingleSearchChar()
,aSearchTimeout()
{
aSearchTimeout.SetTimeout( 2500 );
aSearchTimeout.SetInvokeHandler( LINK( this, QuickSelectionEngine_Data, SearchStringTimeout ) );
aSearchTimeout.SetDebugName( "vcl::QuickSelectionEngine_Data aSearchTimeout" );
}
~QuickSelectionEngine_Data()
{
aSearchTimeout.Stop();
}
DECL_LINK( SearchStringTimeout, Timer*, void );
};
namespace
{
void lcl_reset( QuickSelectionEngine_Data& _data )
{
_data.sCurrentSearchString.clear();
_data.aSingleSearchChar.reset();
_data.aSearchTimeout.Stop();
}
}
IMPL_LINK_NOARG( QuickSelectionEngine_Data, SearchStringTimeout, Timer*, void )<--- syntax error
{
lcl_reset( *this );
}
static StringEntryIdentifier findMatchingEntry( const OUString& _searchString, QuickSelectionEngine_Data const & _engineData )
{
const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetLocaleI18nHelper();
// TODO: do we really need the Window's settings here? The original code used it ...
OUString sEntryText;
// get the "current + 1" entry
StringEntryIdentifier pSearchEntry = _engineData.rEntryList.CurrentEntry( sEntryText );
if ( pSearchEntry )
pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText );
// loop 'til we find another matching entry
StringEntryIdentifier pStartedWith = pSearchEntry;
while ( pSearchEntry )
{
if ( rI18nHelper.MatchString( _searchString, sEntryText ) )
break;
pSearchEntry = _engineData.rEntryList.NextEntry( pSearchEntry, sEntryText );
if ( pSearchEntry == pStartedWith )
pSearchEntry = nullptr;
}
return pSearchEntry;
}
QuickSelectionEngine::QuickSelectionEngine( ISearchableStringList& _entryList )
:m_pData( new QuickSelectionEngine_Data( _entryList ) )
{
}
QuickSelectionEngine::~QuickSelectionEngine()
{
}
bool QuickSelectionEngine::HandleKeyEvent( const KeyEvent& _keyEvent )
{
sal_Unicode c = _keyEvent.GetCharCode();
if ( ( c >= 32 ) && ( c != 127 ) && !_keyEvent.GetKeyCode().IsMod2() )
{
m_pData->sCurrentSearchString += OUStringChar(c);
SAL_INFO( "vcl", "QuickSelectionEngine::HandleKeyEvent: searching for " << m_pData->sCurrentSearchString );
if ( m_pData->sCurrentSearchString.getLength() == 1 )
{ // first character in the search -> remember
m_pData->aSingleSearchChar = c;
}
else if ( m_pData->sCurrentSearchString.getLength() > 1 )
{
if ( !!m_pData->aSingleSearchChar && ( *m_pData->aSingleSearchChar != c ) )
// we already have a "single char", but the current one is different -> reset
m_pData->aSingleSearchChar.reset();
}
OUString aSearchTemp( m_pData->sCurrentSearchString );
StringEntryIdentifier pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData );
SAL_INFO( "vcl", "QuickSelectionEngine::HandleKeyEvent: found " << pMatchingEntry );
if ( !pMatchingEntry && (aSearchTemp.getLength() > 1) && !!m_pData->aSingleSearchChar )
{
// if there's only one letter in the search string, use a different search mode
aSearchTemp = OUString(*m_pData->aSingleSearchChar);
pMatchingEntry = findMatchingEntry( aSearchTemp, *m_pData );
}
if ( pMatchingEntry )
{
m_pData->rEntryList.SelectEntry( pMatchingEntry );
m_pData->aSearchTimeout.Start();
}
else
{
lcl_reset( *m_pData );
}
return true;
}
return false;
}
void QuickSelectionEngine::Reset()
{
lcl_reset( *m_pData );
}
} // namespace vcl
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|