summaryrefslogtreecommitdiffstats
path: root/vcl/source/window/legacyaccessibility.cxx
blob: 346e1fdc8f2aa0c3639c8f9b0b57a5243f15251d (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
/* -*- 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 <window.h>

#include "dlgctrl.hxx"

using namespace ::com::sun::star;


static vcl::Window* ImplGetLabelFor( vcl::Window* pFrameWindow, WindowType nMyType, vcl::Window* pLabel, sal_Unicode nAccel )
{
    vcl::Window* pWindow = nullptr;

    if( nMyType == WindowType::FIXEDTEXT     ||
        nMyType == WindowType::FIXEDLINE     ||
        nMyType == WindowType::GROUPBOX )
    {
        // #i100833# MT 2010/02: Group box and fixed lines can also label a fixed text.
        // See tools/options/print for example.
        bool bThisIsAGroupControl = (nMyType == WindowType::GROUPBOX) || (nMyType == WindowType::FIXEDLINE);
        // get index, form start and form end
        sal_uInt16 nIndex=0, nFormStart=0, nFormEnd=0;
        ::ImplFindDlgCtrlWindow( pFrameWindow,
                                           pLabel,
                                           nIndex,
                                           nFormStart,
                                           nFormEnd );
        if( nAccel )
        {
            // find the accelerated window
            pWindow = ::ImplFindAccelWindow( pFrameWindow,
                                             nIndex,
                                             nAccel,
                                             nFormStart,
                                             nFormEnd,
                                             false );
        }
        else
        {
            // find the next control; if that is a fixed text
            // fixed line or group box, then return NULL
            while( nIndex < nFormEnd )
            {
                nIndex++;
                vcl::Window* pSWindow = ::ImplGetChildWindow( pFrameWindow,
                                                 nIndex,
                                                 nIndex,
                                                 false );
                if( pSWindow && isVisibleInLayout(pSWindow) && ! (pSWindow->GetStyle() & WB_NOLABEL) )
                {
                    WindowType nType = pSWindow->GetType();
                    if( nType != WindowType::FIXEDTEXT   &&
                        nType != WindowType::FIXEDLINE   &&
                        nType != WindowType::GROUPBOX )
                    {
                        pWindow = pSWindow;
                    }
                    else if( bThisIsAGroupControl && ( nType == WindowType::FIXEDTEXT ) )
                    {
                        pWindow = pSWindow;
                    }
                    break;
                }
            }
        }
    }

    return pWindow;
}

namespace vcl {

Window* Window::getLegacyNonLayoutAccessibleRelationLabelFor() const
{
    Window* pFrameWindow = ImplGetFrameWindow();

    WinBits nFrameStyle = pFrameWindow->GetStyle();
    if( ! ( nFrameStyle & WB_DIALOGCONTROL )
        || ( nFrameStyle & WB_NODIALOGCONTROL )
        )
        return nullptr;

    sal_Unicode nAccel = getAccel( GetText() );

    Window* pWindow = ImplGetLabelFor( pFrameWindow, GetType(), const_cast<Window*>(this), nAccel );
    if( ! pWindow && mpWindowImpl->mpRealParent )
        pWindow = ImplGetLabelFor( mpWindowImpl->mpRealParent, GetType(), const_cast<Window*>(this), nAccel );
    return pWindow;
}

static Window* ImplGetLabeledBy( Window* pFrameWindow, WindowType nMyType, Window* pLabeled )
{
    Window* pWindow = nullptr;
    if ( (nMyType != WindowType::GROUPBOX) && (nMyType != WindowType::FIXEDLINE) )
    {
        // search for a control that labels this window
        // a label is considered the last fixed text, fixed line or group box
        // that comes before this control; with the exception of push buttons
        // which are labeled only if the fixed text, fixed line or group box
        // is directly before the control

        // get form start and form end and index of this control
        sal_uInt16 nIndex, nFormStart, nFormEnd;
        Window* pSWindow = ::ImplFindDlgCtrlWindow( pFrameWindow,
                                                    pLabeled,
                                                    nIndex,
                                                    nFormStart,
                                                    nFormEnd );
        if( pSWindow && nIndex != nFormStart )
        {
            if( nMyType == WindowType::PUSHBUTTON        ||
                nMyType == WindowType::HELPBUTTON        ||
                nMyType == WindowType::OKBUTTON      ||
                nMyType == WindowType::CANCELBUTTON )
            {
                nFormStart = nIndex-1;
            }
            for( sal_uInt16 nSearchIndex = nIndex-1; nSearchIndex >= nFormStart; nSearchIndex-- )
            {
                sal_uInt16 nFoundIndex = 0;
                pSWindow = ::ImplGetChildWindow( pFrameWindow,
                                                 nSearchIndex,
                                                 nFoundIndex,
                                                 false );
                if( pSWindow && isVisibleInLayout(pSWindow) && !(pSWindow->GetStyle() & WB_NOLABEL) )
                {
                    WindowType nType = pSWindow->GetType();
                    if ( nType == WindowType::FIXEDTEXT ||
                         nType == WindowType::FIXEDLINE ||
                         nType == WindowType::GROUPBOX )
                    {
                        // a fixed text can't be labelled by a fixed text.
                        if ( ( nMyType != WindowType::FIXEDTEXT ) || ( nType != WindowType::FIXEDTEXT ) )
                            pWindow = pSWindow;
                        break;
                    }
                }
                if( nFoundIndex > nSearchIndex || nSearchIndex == 0 )
                    break;
            }
        }
    }
    return pWindow;
}

Window* Window::getLegacyNonLayoutAccessibleRelationLabeledBy() const
{
    Window* pFrameWindow = ImplGetFrameWindow();

    // #i62723#, #104191# checkboxes and radiobuttons are not supposed to have labels
    if( GetType() == WindowType::CHECKBOX || GetType() == WindowType::RADIOBUTTON )
        return nullptr;

//    if( ! ( GetType() == WindowType::FIXEDTEXT     ||
//            GetType() == WindowType::FIXEDLINE     ||
//            GetType() == WindowType::GROUPBOX ) )
    // #i100833# MT 2010/02: Group box and fixed lines can also label a fixed text.
    // See tools/options/print for example.

    Window* pWindow = ImplGetLabeledBy( pFrameWindow, GetType(), const_cast<Window*>(this) );
    if( ! pWindow && mpWindowImpl->mpRealParent )
        pWindow = ImplGetLabeledBy( mpWindowImpl->mpRealParent, GetType(), const_cast<Window*>(this) );

    return pWindow;
}

Window* Window::getLegacyNonLayoutAccessibleRelationMemberOf() const
{
    Window* pWindow = nullptr;
    Window* pFrameWindow = GetParent();
    if ( !pFrameWindow )
    {
        pFrameWindow = ImplGetFrameWindow();
    }
    // if( ! ( GetType() == WindowType::FIXEDTEXT        ||
    if( GetType() != WindowType::FIXEDLINE && GetType() != WindowType::GROUPBOX )
    {
        // search for a control that makes member of this window
        // it is considered the last fixed line or group box
        // that comes before this control; with the exception of push buttons
        // which are labeled only if the fixed line or group box
        // is directly before the control
        // get form start and form end and index of this control
        sal_uInt16 nIndex, nFormStart, nFormEnd;
        Window* pSWindow = ::ImplFindDlgCtrlWindow( pFrameWindow,
            const_cast<Window*>(this),
            nIndex,
            nFormStart,
            nFormEnd );
        if( pSWindow && nIndex != nFormStart )
        {
            if( GetType() == WindowType::PUSHBUTTON      ||
                GetType() == WindowType::HELPBUTTON      ||
                GetType() == WindowType::OKBUTTON        ||
                GetType() == WindowType::CANCELBUTTON )
            {
                nFormStart = nIndex-1;
            }
            for( sal_uInt16 nSearchIndex = nIndex-1; nSearchIndex >= nFormStart; nSearchIndex-- )
            {
                sal_uInt16 nFoundIndex = 0;
                pSWindow = ::ImplGetChildWindow( pFrameWindow,
                    nSearchIndex,
                    nFoundIndex,
                    false );
                if( pSWindow && pSWindow->IsVisible() &&
                    ( pSWindow->GetType() == WindowType::FIXEDLINE   ||
                    pSWindow->GetType() == WindowType::GROUPBOX ) )
                {
                    pWindow = pSWindow;
                    break;
                }
                if( nFoundIndex > nSearchIndex || nSearchIndex == 0 )
                    break;
            }
        }
    }
    return pWindow;
}

} /* namespace vcl */

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */