qundostack.cpp

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4-
5QUndoCommand::QUndoCommand(const QString &text, QUndoCommand *parent)-
6{-
7 d = new QUndoCommandPrivate;-
8 if (parent != 0
parent != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
9 parent->d->child_list.append(this);
never executed: parent->d->child_list.append(this);
0
10 setText(text);-
11}
never executed: end of block
0
12QUndoCommand::QUndoCommand(QUndoCommand *parent)-
13{-
14 d = new QUndoCommandPrivate;-
15 if (parent != 0
parent != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
16 parent->d->child_list.append(this);
never executed: parent->d->child_list.append(this);
0
17}
never executed: end of block
0
18-
19-
20-
21-
22-
23-
24-
25QUndoCommand::~QUndoCommand()-
26{-
27 qDeleteAll(d->child_list);-
28 delete d;-
29}
never executed: end of block
0
30int QUndoCommand::id() const-
31{-
32 return
never executed: return -1;
 -1;
never executed: return -1;
0
33}-
34bool QUndoCommand::mergeWith(const QUndoCommand *command)-
35{-
36 (void)command;;-
37 return
never executed: return false;
 false;
never executed: return false;
0
38}-
39void QUndoCommand::redo()-
40{-
41 for (int i = 0; i < d->child_list.size()
i < d->child_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
42 d->child_list.at(i)->redo();
never executed: d->child_list.at(i)->redo();
0
43}
never executed: end of block
0
44void QUndoCommand::undo()-
45{-
46 for (int i = d->child_list.size() - 1; i >= 0
i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
; --i)		0
47 d->child_list.at(i)->undo();
never executed: d->child_list.at(i)->undo();
0
48}
never executed: end of block
0
49QString QUndoCommand::text() const-
50{-
51 return
never executed: return d->text;
 d->text;
never executed: return d->text;
0
52}-
53QString QUndoCommand::actionText() const-
54{-
55 return
never executed: return d->actionText;
 d->actionText;
never executed: return d->actionText;
0
56}-
57void QUndoCommand::setText(const QString &text)-
58{-
59 int cdpos = text.indexOf(QLatin1Char('\n'));-
60 if (cdpos > 0
cdpos > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
61 d->text = text.left(cdpos);-
62 d->actionText = text.mid(cdpos + 1);-
63 }
never executed: end of block
 else {		0
64 d->text = text;-
65 d->actionText = text;-
66 }
never executed: end of block
0
67}-
68int QUndoCommand::childCount() const-
69{-
70 return
never executed: return d->child_list.count();
 d->child_list.count();
never executed: return d->child_list.count();
0
71}-
72const QUndoCommand *QUndoCommand::child(int index) const-
73{-
74 if (index < 0
index < 0Description
TRUEnever evaluated
FALSEnever evaluated
 || index >= d->child_list.count()
index >= d->child_list.count()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
75 return
never executed: return 0;
 0;
never executed: return 0;
0
76 return
never executed: return d->child_list.at(index);
 d->child_list.at(index);
never executed: return d->child_list.at(index);
0
77}-
78QUndoAction::QUndoAction(const QString &prefix, QObject *parent)-
79 : QAction(parent)-
80{-
81 m_prefix = prefix;-
82}
never executed: end of block
0
83-
84void QUndoAction::setPrefixedText(const QString &text)-
85{-
86 if (m_defaultText.isEmpty()
m_defaultText.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
87 QString s = m_prefix;-
88 if (!m_prefix.isEmpty()
!m_prefix.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
 && !text.isEmpty()
!text.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
89 s.append(QLatin1Char(' '));
never executed: s.append(QLatin1Char(' '));
0
90 s.append(text);-
91 setText(s);-
92 }
never executed: end of block
 else {		0
93 if (text.isEmpty()
text.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
94 setText(m_defaultText);
never executed: setText(m_defaultText);
0
95 else-
96 setText(m_prefix.arg(text));
never executed: setText(m_prefix.arg(text));
0
97 }-
98}-
99-
100void QUndoAction::setTextFormat(const QString &textFormat, const QString &defaultText)-
101{-
102 m_prefix = textFormat;-
103 m_defaultText = defaultText;-
104}
never executed: end of block
0
105void QUndoStackPrivate::setIndex(int idx, bool clean)-
106{-
107 QUndoStack * const q = q_func();-
108-
109 bool was_clean = index == clean_index;-
110-
111 if (idx != index
idx != indexDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
112 index = idx;-
113 q->indexChanged(index);-
114 q->canUndoChanged(q->canUndo());-
115 q->undoTextChanged(q->undoText());-
116 q->canRedoChanged(q->canRedo());-
117 q->redoTextChanged(q->redoText());-
118 }
never executed: end of block
0
119-
120 if (clean
cleanDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
121 clean_index = index;
never executed: clean_index = index;
0
122-
123 bool is_clean = index == clean_index;-
124 if (is_clean != was_clean
is_clean != was_cleanDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
125 q->cleanChanged(is_clean);
never executed: q->cleanChanged(is_clean);
0
126}
never executed: end of block
0
127bool QUndoStackPrivate::checkUndoLimit()-
128{-
129 if (undo_limit <= 0
undo_limit <= 0Description
TRUEnever evaluated
FALSEnever evaluated
 || !macro_stack.isEmpty()
!macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
 || undo_limit >= command_list.count()
undo_limit >= ...d_list.count()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
130 return
never executed: return false;
 false;
never executed: return false;
0
131-
132 int del_count = command_list.count() - undo_limit;-
133-
134 for (int i = 0; i < del_count
i < del_countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
135 delete command_list.takeFirst();
never executed: delete command_list.takeFirst();
0
136-
137 index -= del_count;-
138 if (clean_index != -1
clean_index != -1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
139 if (clean_index < del_count
clean_index < del_countDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
140 clean_index = -1;
never executed: clean_index = -1;
0
141 else-
142 clean_index -= del_count;
never executed: clean_index -= del_count;
0
143 }-
144-
145 return
never executed: return true;
 true;
never executed: return true;
0
146}-
147QUndoStack::QUndoStack(QObject *parent)-
148 : QObject(*(new QUndoStackPrivate), parent)-
149{-
150-
151 if (QUndoGroup *group = qobject_cast<QUndoGroup*>(parent)
QUndoGroup *gr...roup*>(parent)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
152 group->addStack(this);
never executed: group->addStack(this);
0
153-
154}
never executed: end of block
0
155QUndoStack::~QUndoStack()-
156{-
157-
158 QUndoStackPrivate * const d = d_func();-
159 if (d->group != 0
d->group != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
160 d->group->removeStack(this);
never executed: d->group->removeStack(this);
0
161-
162 clear();-
163}
never executed: end of block
0
164void QUndoStack::clear()-
165{-
166 QUndoStackPrivate * const d = d_func();-
167-
168 if (d->command_list.isEmpty()
d->command_list.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
169 return;
never executed: return;
0
170-
171 bool was_clean = isClean();-
172-
173 d->macro_stack.clear();-
174 qDeleteAll(d->command_list);-
175 d->command_list.clear();-
176-
177 d->index = 0;-
178 d->clean_index = 0;-
179-
180 indexChanged(0);-
181 canUndoChanged(false);-
182 undoTextChanged(QString());-
183 canRedoChanged(false);-
184 redoTextChanged(QString());-
185-
186 if (!was_clean
!was_cleanDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
187 cleanChanged(true);
never executed: cleanChanged(true);
0
188}
never executed: end of block
0
189void QUndoStack::push(QUndoCommand *cmd)-
190{-
191 QUndoStackPrivate * const d = d_func();-
192 cmd->redo();-
193-
194 bool macro = !d->macro_stack.isEmpty();-
195-
196 QUndoCommand *cur = 0;-
197 if (macro
macroDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
198 QUndoCommand *macro_cmd = d->macro_stack.constLast();-
199 if (!macro_cmd->d->child_list.isEmpty()
!macro_cmd->d-...list.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
200 cur = macro_cmd->d->child_list.constLast();
never executed: cur = macro_cmd->d->child_list.constLast();
0
201 }
never executed: end of block
 else {		0
202 if (d->index > 0
d->index > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
203 cur = d->command_list.at(d->index - 1);
never executed: cur = d->command_list.at(d->index - 1);
0
204 while (d->index < d->command_list.size()
d->index < d->...nd_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
205 delete d->command_list.takeLast();
never executed: delete d->command_list.takeLast();
0
206 if (d->clean_index > d->index
d->clean_index > d->indexDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
207 d->clean_index = -1;
never executed: d->clean_index = -1;
0
208 }
never executed: end of block
0
209-
210 bool try_merge = cur != 0
cur != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
211 && cur->id() != -1
cur->id() != -1Description
TRUEnever evaluated
FALSEnever evaluated
0
212 && cur->id() == cmd->id()
cur->id() == cmd->id()Description
TRUEnever evaluated
FALSEnever evaluated
0
213 && (macro
macroDescription
TRUEnever evaluated
FALSEnever evaluated
 || d->index != d->clean_index
d->index != d->clean_indexDescription
TRUEnever evaluated
FALSEnever evaluated
);		0
214-
215 if (try_merge
try_mergeDescription
TRUEnever evaluated
FALSEnever evaluated
 && cur->mergeWith(cmd)
cur->mergeWith(cmd)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
216 delete cmd;-
217 if (!macro
!macroDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
218 indexChanged(d->index);-
219 canUndoChanged(canUndo());-
220 undoTextChanged(undoText());-
221 canRedoChanged(canRedo());-
222 redoTextChanged(redoText());-
223 }
never executed: end of block
0
224 }
never executed: end of block
 else {		0
225 if (macro
macroDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
226 d->macro_stack.constLast()->d->child_list.append(cmd);-
227 }
never executed: end of block
 else {		0
228 d->command_list.append(cmd);-
229 d->checkUndoLimit();-
230 d->setIndex(d->index + 1, false);-
231 }
never executed: end of block
0
232 }-
233}-
234void QUndoStack::setClean()-
235{-
236 QUndoStackPrivate * const d = d_func();-
237 if (__builtin_expect(!!(!d->macro_stack.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
238 QMessageLogger(__FILE__, 645, __PRETTY_FUNCTION__).warning("QUndoStack::setClean(): cannot set clean in the middle of a macro");-
239 return;
never executed: return;
0
240 }-
241-
242 d->setIndex(d->index, true);-
243}
never executed: end of block
0
244-
245-
246-
247-
248-
249-
250-
251bool QUndoStack::isClean() const-
252{-
253 const QUndoStackPrivate * const d = d_func();-
254 if (!d->macro_stack.isEmpty()
!d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
255 return
never executed: return false;
 false;
never executed: return false;
0
256 return
never executed: return d->clean_index == d->index;
 d->clean_index == d->index;
never executed: return d->clean_index == d->index;
0
257}-
258int QUndoStack::cleanIndex() const-
259{-
260 const QUndoStackPrivate * const d = d_func();-
261 return
never executed: return d->clean_index;
 d->clean_index;
never executed: return d->clean_index;
0
262}-
263void QUndoStack::undo()-
264{-
265 QUndoStackPrivate * const d = d_func();-
266 if (d->index == 0
d->index == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
267 return;
never executed: return;
0
268-
269 if (__builtin_expect(!!(!d->macro_stack.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
270 QMessageLogger(__FILE__, 700, __PRETTY_FUNCTION__).warning("QUndoStack::undo(): cannot undo in the middle of a macro");-
271 return;
never executed: return;
0
272 }-
273-
274 int idx = d->index - 1;-
275 d->command_list.at(idx)->undo();-
276 d->setIndex(idx, false);-
277}
never executed: end of block
0
278void QUndoStack::redo()-
279{-
280 QUndoStackPrivate * const d = d_func();-
281 if (d->index == d->command_list.size()
d->index == d-...nd_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
282 return;
never executed: return;
0
283-
284 if (__builtin_expect(!!(!d->macro_stack.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
285 QMessageLogger(__FILE__, 726, __PRETTY_FUNCTION__).warning("QUndoStack::redo(): cannot redo in the middle of a macro");-
286 return;
never executed: return;
0
287 }-
288-
289 d->command_list.at(d->index)->redo();-
290 d->setIndex(d->index + 1, false);-
291}
never executed: end of block
0
292int QUndoStack::count() const-
293{-
294 const QUndoStackPrivate * const d = d_func();-
295 return
never executed: return d->command_list.size();
 d->command_list.size();
never executed: return d->command_list.size();
0
296}-
297int QUndoStack::index() const-
298{-
299 const QUndoStackPrivate * const d = d_func();-
300 return
never executed: return d->index;
 d->index;
never executed: return d->index;
0
301}-
302void QUndoStack::setIndex(int idx)-
303{-
304 QUndoStackPrivate * const d = d_func();-
305 if (__builtin_expect(!!(!d->macro_stack.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
306 QMessageLogger(__FILE__, 773, __PRETTY_FUNCTION__).warning("QUndoStack::setIndex(): cannot set index in the middle of a macro");-
307 return;
never executed: return;
0
308 }-
309-
310 if (idx < 0
idx < 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
311 idx = 0;
never executed: idx = 0;
0
312 else if (idx > d->command_list.size()
idx > d->command_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
313 idx = d->command_list.size();
never executed: idx = d->command_list.size();
0
314-
315 int i = d->index;-
316 while (i < idx
i < idxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
317 d->command_list.at(i++)->redo();
never executed: d->command_list.at(i++)->redo();
0
318 while (i > idx
i > idxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
319 d->command_list.at(--i)->undo();
never executed: d->command_list.at(--i)->undo();
0
320-
321 d->setIndex(idx, false);-
322}
never executed: end of block
0
323bool QUndoStack::canUndo() const-
324{-
325 const QUndoStackPrivate * const d = d_func();-
326 if (!d->macro_stack.isEmpty()
!d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
327 return
never executed: return false;
 false;
never executed: return false;
0
328 return
never executed: return d->index > 0;
 d->index > 0;
never executed: return d->index > 0;
0
329}-
330bool QUndoStack::canRedo() const-
331{-
332 const QUndoStackPrivate * const d = d_func();-
333 if (!d->macro_stack.isEmpty()
!d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
334 return
never executed: return false;
 false;
never executed: return false;
0
335 return
never executed: return d->index < d->command_list.size();
 d->index < d->command_list.size();
never executed: return d->index < d->command_list.size();
0
336}-
337-
338-
339-
340-
341-
342-
343-
344QString QUndoStack::undoText() const-
345{-
346 const QUndoStackPrivate * const d = d_func();-
347 if (!d->macro_stack.isEmpty()
!d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
348 return
never executed: return QString();
 QString();
never executed: return QString();
0
349 if (d->index > 0
d->index > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
350 return
never executed: return d->command_list.at(d->index - 1)->actionText();
 d->command_list.at(d->index - 1)->actionText();
never executed: return d->command_list.at(d->index - 1)->actionText();
0
351 return
never executed: return QString();
 QString();
never executed: return QString();
0
352}-
353-
354-
355-
356-
357-
358-
359-
360QString QUndoStack::redoText() const-
361{-
362 const QUndoStackPrivate * const d = d_func();-
363 if (!d->macro_stack.isEmpty()
!d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
364 return
never executed: return QString();
 QString();
never executed: return QString();
0
365 if (d->index < d->command_list.size()
d->index < d->...nd_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
366 return
never executed: return d->command_list.at(d->index)->actionText();
 d->command_list.at(d->index)->actionText();
never executed: return d->command_list.at(d->index)->actionText();
0
367 return
never executed: return QString();
 QString();
never executed: return QString();
0
368}-
369QAction *QUndoStack::createUndoAction(QObject *parent, const QString &prefix) const-
370{-
371 QUndoAction *result = new QUndoAction(prefix, parent);-
372 if (prefix.isEmpty()
prefix.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
373 result->setTextFormat(tr("Undo %1"), tr("Undo", "Default text for undo action"));
never executed: result->setTextFormat(tr("Undo %1"), tr("Undo", "Default text for undo action"));
0
374-
375 result->setEnabled(canUndo());-
376 result->setPrefixedText(undoText());-
377 connect(this, qFlagLocation("2""canUndoChanged(bool)" "\0" __FILE__ ":" "885"),-
378 result, qFlagLocation("1""setEnabled(bool)" "\0" __FILE__ ":" "886"));-
379 connect(this, qFlagLocation("2""undoTextChanged(QString)" "\0" __FILE__ ":" "887"),-
380 result, qFlagLocation("1""setPrefixedText(QString)" "\0" __FILE__ ":" "888"));-
381 connect(result, qFlagLocation("2""triggered()" "\0" __FILE__ ":" "889"), this, qFlagLocation("1""undo()" "\0" __FILE__ ":" "889"));-
382 return
never executed: return result;
 result;
never executed: return result;
0
383}-
384QAction *QUndoStack::createRedoAction(QObject *parent, const QString &prefix) const-
385{-
386 QUndoAction *result = new QUndoAction(prefix, parent);-
387 if (prefix.isEmpty()
prefix.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
388 result->setTextFormat(tr("Redo %1"), tr("Redo", "Default text for redo action"));
never executed: result->setTextFormat(tr("Redo %1"), tr("Redo", "Default text for redo action"));
0
389-
390 result->setEnabled(canRedo());-
391 result->setPrefixedText(redoText());-
392 connect(this, qFlagLocation("2""canRedoChanged(bool)" "\0" __FILE__ ":" "915"),-
393 result, qFlagLocation("1""setEnabled(bool)" "\0" __FILE__ ":" "916"));-
394 connect(this, qFlagLocation("2""redoTextChanged(QString)" "\0" __FILE__ ":" "917"),-
395 result, qFlagLocation("1""setPrefixedText(QString)" "\0" __FILE__ ":" "918"));-
396 connect(result, qFlagLocation("2""triggered()" "\0" __FILE__ ":" "919"), this, qFlagLocation("1""redo()" "\0" __FILE__ ":" "919"));-
397 return
never executed: return result;
 result;
never executed: return result;
0
398}-
399void QUndoStack::beginMacro(const QString &text)-
400{-
401 QUndoStackPrivate * const d = d_func();-
402 QUndoCommand *cmd = new QUndoCommand();-
403 cmd->setText(text);-
404-
405 if (d->macro_stack.isEmpty()
d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
406 while (d->index < d->command_list.size()
d->index < d->...nd_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
407 delete d->command_list.takeLast();
never executed: delete d->command_list.takeLast();
0
408 if (d->clean_index > d->index
d->clean_index > d->indexDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
409 d->clean_index = -1;
never executed: d->clean_index = -1;
0
410 d->command_list.append(cmd);-
411 }
never executed: end of block
 else {		0
412 d->macro_stack.constLast()->d->child_list.append(cmd);-
413 }
never executed: end of block
0
414 d->macro_stack.append(cmd);-
415-
416 if (d->macro_stack.count() == 1
d->macro_stack.count() == 1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
417 canUndoChanged(false);-
418 undoTextChanged(QString());-
419 canRedoChanged(false);-
420 redoTextChanged(QString());-
421 }
never executed: end of block
0
422}
never executed: end of block
0
423void QUndoStack::endMacro()-
424{-
425 QUndoStackPrivate * const d = d_func();-
426 if (__builtin_expect(!!(d->macro_stack.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
427 QMessageLogger(__FILE__, 993, __PRETTY_FUNCTION__).warning("QUndoStack::endMacro(): no matching beginMacro()");-
428 return;
never executed: return;
0
429 }-
430-
431 d->macro_stack.removeLast();-
432-
433 if (d->macro_stack.isEmpty()
d->macro_stack.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
434 d->checkUndoLimit();-
435 d->setIndex(d->index + 1, false);-
436 }
never executed: end of block
0
437}
never executed: end of block
0
438const QUndoCommand *QUndoStack::command(int index) const-
439{-
440 const QUndoStackPrivate * const d = d_func();-
441-
442 if (index < 0
index < 0Description
TRUEnever evaluated
FALSEnever evaluated
 || index >= d->command_list.count()
index >= d->co...d_list.count()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
443 return
never executed: return 0;
 0;
never executed: return 0;
0
444 return
never executed: return d->command_list.at(index);
 d->command_list.at(index);
never executed: return d->command_list.at(index);
0
445}-
446-
447-
448-
449-
450-
451-
452-
453QString QUndoStack::text(int idx) const-
454{-
455 const QUndoStackPrivate * const d = d_func();-
456-
457 if (idx < 0
idx < 0Description
TRUEnever evaluated
FALSEnever evaluated
 || idx >= d->command_list.size()
idx >= d->command_list.size()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
458 return
never executed: return QString();
 QString();
never executed: return QString();
0
459 return
never executed: return d->command_list.at(idx)->text();
 d->command_list.at(idx)->text();
never executed: return d->command_list.at(idx)->text();
0
460}-
461void QUndoStack::setUndoLimit(int limit)-
462{-
463 QUndoStackPrivate * const d = d_func();-
464-
465 if (__builtin_expect(!!(!d->command_list.isEmpty()), false)
__builtin_expe...pty()), false)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
466 QMessageLogger(__FILE__, 1061, __PRETTY_FUNCTION__).warning("QUndoStack::setUndoLimit(): an undo limit can only be set when the stack is empty");-
467 return;
never executed: return;
0
468 }-
469-
470 if (limit == d->undo_limit
limit == d->undo_limitDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
471 return;
never executed: return;
0
472 d->undo_limit = limit;-
473 d->checkUndoLimit();-
474}
never executed: end of block
0
475-
476int QUndoStack::undoLimit() const-
477{-
478 const QUndoStackPrivate * const d = d_func();-
479-
480 return
never executed: return d->undo_limit;
 d->undo_limit;
never executed: return d->undo_limit;
0
481}-
482void QUndoStack::setActive(bool active)-
483{-
484-
485-
486-
487 QUndoStackPrivate * const d = d_func();-
488-
489 if (d->group != 0
d->group != 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
490 if (active
activeDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
491 d->group->setActiveStack(this);
never executed: d->group->setActiveStack(this);
0
492 else if (d->group->activeStack() == this
d->group->acti...tack() == thisDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
493 d->group->setActiveStack(0);
never executed: d->group->setActiveStack(0);
0
494 }
never executed: end of block
0
495-
496}
never executed: end of block
0
497-
498bool QUndoStack::isActive() const-
499{-
500-
501-
502-
503 const QUndoStackPrivate * const d = d_func();-
504 return
never executed: return d->group == 0 || d->group->activeStack() == this;
 d->group == 0 || d->group->activeStack() == this;
never executed: return d->group == 0 || d->group->activeStack() == this;
0
505-
506}-
507-
508-
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