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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <tools/debug.hxx>
21 :
22 : #include <accel.h>
23 : #include <vcl/accel.hxx>
24 : #include <accmgr.hxx>
25 :
26 0 : ImplAccelManager::~ImplAccelManager()
27 : {
28 0 : delete mpAccelList;
29 0 : delete mpSequenceList;
30 0 : }
31 :
32 0 : bool ImplAccelManager::InsertAccel( Accelerator* pAccel )
33 : {
34 0 : if ( !mpAccelList ) {
35 0 : mpAccelList = new ImplAccelList;
36 : } else {
37 0 : for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i ) {
38 0 : if ( (*mpAccelList)[ i ] == pAccel ) {
39 0 : return false;
40 : }
41 : }
42 : }
43 :
44 0 : mpAccelList->insert( mpAccelList->begin(), pAccel );
45 0 : return true;
46 : }
47 :
48 0 : void ImplAccelManager::RemoveAccel( Accelerator* pAccel )
49 : {
50 : // do we have a list ?
51 0 : if ( !mpAccelList )
52 0 : return;
53 :
54 : //e.g. #i90599#. Someone starts typing a sequence in a dialog, but doesn't
55 : //end it, and then closes the dialog, deleting the accelerators. So if
56 : //we're removing an accelerator that a sub-accelerator which is in the
57 : //sequence list, throw away the entire sequence
58 0 : if ( mpSequenceList ) {
59 0 : for (sal_uInt16 i = 0; i < pAccel->GetItemCount(); ++i) {
60 0 : Accelerator* pSubAccel = pAccel->GetAccel( pAccel->GetItemId(i) );
61 0 : for ( size_t j = 0, n = mpSequenceList->size(); j < n; ++j ) {
62 0 : if ( (*mpSequenceList)[ j ] == pSubAccel ) {
63 0 : EndSequence( true );
64 0 : i = pAccel->GetItemCount();
65 0 : break;
66 : }
67 : }
68 : }
69 : }
70 :
71 : // throw it away
72 0 : for ( ImplAccelList::iterator it = mpAccelList->begin();
73 0 : it != mpAccelList->end();
74 : ++it
75 : ) {
76 0 : if ( *it == pAccel ) {
77 0 : mpAccelList->erase( it );
78 0 : break;
79 : }
80 : }
81 : }
82 :
83 0 : void ImplAccelManager::EndSequence( bool bCancel )
84 : {
85 : // are we in a list ?
86 0 : if ( !mpSequenceList )
87 0 : return;
88 :
89 : // call all deactivate-handler of the accelerators in the list
90 0 : for ( size_t i = 0, n = mpSequenceList->size(); i < n; ++i )
91 : {
92 0 : Accelerator* pTempAccel = (*mpSequenceList)[ i ];
93 0 : bool bDel = false;
94 0 : pTempAccel->mbIsCancel = bCancel;
95 0 : pTempAccel->mpDel = &bDel;
96 0 : pTempAccel->Deactivate();
97 0 : if ( !bDel )
98 : {
99 0 : pTempAccel->mbIsCancel = false;
100 0 : pTempAccel->mpDel = NULL;
101 : }
102 : }
103 :
104 : // delete sequence-list
105 0 : delete mpSequenceList;
106 0 : mpSequenceList = NULL;
107 : }
108 :
109 0 : bool ImplAccelManager::IsAccelKey( const vcl::KeyCode& rKeyCode, sal_uInt16 nRepeat )
110 : {
111 : Accelerator* pAccel;
112 :
113 : // do we have accelerators ??
114 0 : if ( !mpAccelList )
115 0 : return false;
116 0 : if ( mpAccelList->empty() )
117 0 : return false;
118 :
119 : // are we in a sequence ?
120 0 : if ( mpSequenceList )
121 : {
122 0 : pAccel = mpSequenceList->empty() ? NULL : (*mpSequenceList)[ 0 ];
123 :
124 : // not found ?
125 0 : if ( !pAccel )
126 : {
127 : // abort sequence
128 0 : FlushAccel();
129 0 : return false;
130 : }
131 :
132 : // can the entry be found ?
133 0 : ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
134 0 : if ( pEntry )
135 : {
136 0 : Accelerator* pNextAccel = pEntry->mpAccel;
137 :
138 : // is an accelerator coupled ?
139 0 : if ( pNextAccel )
140 : {
141 :
142 0 : mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
143 :
144 : // call Activate-Handler of the new one
145 0 : pNextAccel->Activate();
146 0 : return true;
147 : }
148 : else
149 : {
150 : // it is there already !
151 0 : if ( pEntry->mbEnabled )
152 : {
153 : // stop sequence (first call deactivate-handler)
154 0 : EndSequence();
155 :
156 : // set accelerator of the actuel item
157 : // and call the handler
158 0 : bool bDel = false;
159 0 : pAccel->maCurKeyCode = rKeyCode;
160 0 : pAccel->mnCurId = pEntry->mnId;
161 0 : pAccel->mnCurRepeat = nRepeat;
162 0 : pAccel->mpDel = &bDel;
163 0 : pAccel->Select();
164 :
165 : // did the accelerator survive the call
166 0 : if ( !bDel )
167 : {
168 0 : pAccel->maCurKeyCode = vcl::KeyCode();
169 0 : pAccel->mnCurId = 0;
170 0 : pAccel->mnCurRepeat = 0;
171 0 : pAccel->mpDel = NULL;
172 : }
173 :
174 0 : return true;
175 : }
176 : else
177 : {
178 : // stop sequence as the accelerator was disbled
179 : // transfer the key (to the system)
180 0 : FlushAccel();
181 0 : return false;
182 : }
183 : }
184 : }
185 : else
186 : {
187 : // wrong key => stop sequence
188 0 : FlushAccel();
189 0 : return false;
190 : }
191 : }
192 :
193 : // step through the list of accelerators
194 0 : for ( size_t i = 0, n = mpAccelList->size(); i < n; ++i )
195 : {
196 0 : pAccel = (*mpAccelList)[ i ];
197 :
198 : // is the entry contained ?
199 0 : ImplAccelEntry* pEntry = pAccel->ImplGetAccelData( rKeyCode );
200 0 : if ( pEntry )
201 : {
202 0 : Accelerator* pNextAccel = pEntry->mpAccel;
203 :
204 : // is an accelerator assigned ?
205 0 : if ( pNextAccel )
206 : {
207 :
208 : // create sequence list
209 0 : mpSequenceList = new ImplAccelList;
210 0 : mpSequenceList->insert( mpSequenceList->begin(), pAccel );
211 0 : mpSequenceList->insert( mpSequenceList->begin(), pNextAccel );
212 :
213 : // call activate-Handler of the new one
214 0 : pNextAccel->Activate();
215 :
216 0 : return true;
217 : }
218 : else
219 : {
220 : // already assigned !
221 0 : if ( pEntry->mbEnabled )
222 : {
223 : // first call activate/aeactivate-Handler
224 0 : pAccel->Activate();
225 0 : pAccel->Deactivate();
226 :
227 : // define accelerator of the actual item
228 : // and call the handler
229 0 : bool bDel = false;
230 0 : pAccel->maCurKeyCode = rKeyCode;
231 0 : pAccel->mnCurId = pEntry->mnId;
232 0 : pAccel->mnCurRepeat = nRepeat;
233 0 : pAccel->mpDel = &bDel;
234 0 : pAccel->Select();
235 :
236 : // if the accelerator did survive the call
237 0 : if ( !bDel )
238 : {
239 0 : pAccel->maCurKeyCode = vcl::KeyCode();
240 0 : pAccel->mnCurId = 0;
241 0 : pAccel->mnCurRepeat = 0;
242 0 : pAccel->mpDel = NULL;
243 : }
244 :
245 0 : return true;
246 : }
247 : else
248 0 : return false;
249 : }
250 : }
251 : }
252 :
253 0 : return false;
254 : }
255 :
256 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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