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qcompleter.cpp

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38****************************************************************************/-
39-
40/*!-
41 \class QCompleter-
42 \brief The QCompleter class provides completions based on an item model.-
43 \since 4.2-
44-
45 \inmodule QtWidgets-
46-
47 You can use QCompleter to provide auto completions in any Qt-
48 widget, such as QLineEdit and QComboBox.-
49 When the user starts typing a word, QCompleter suggests possible ways of-
50 completing the word, based on a word list. The word list is-
51 provided as a QAbstractItemModel. (For simple applications, where-
52 the word list is static, you can pass a QStringList to-
53 QCompleter's constructor.)-
54-
55 \tableofcontents-
56-
57 \section1 Basic Usage-
58-
59 A QCompleter is used typically with a QLineEdit or QComboBox.-
60 For example, here's how to provide auto completions from a simple-
61 word list in a QLineEdit:-
62-
63 \snippet code/src_gui_util_qcompleter.cpp 0-
64-
65 A QFileSystemModel can be used to provide auto completion of file names.-
66 For example:-
67-
68 \snippet code/src_gui_util_qcompleter.cpp 1-
69-
70 To set the model on which QCompleter should operate, call-
71 setModel(). By default, QCompleter will attempt to match the \l-
72 {completionPrefix}{completion prefix} (i.e., the word that the-
73 user has started typing) against the Qt::EditRole data stored in-
74 column 0 in the model case sensitively. This can be changed-
75 using setCompletionRole(), setCompletionColumn(), and-
76 setCaseSensitivity().-
77-
78 If the model is sorted on the column and role that are used for completion,-
79 you can call setModelSorting() with either-
80 QCompleter::CaseSensitivelySortedModel or-
81 QCompleter::CaseInsensitivelySortedModel as the argument. On large models,-
82 this can lead to significant performance improvements, because QCompleter-
83 can then use binary search instead of linear search. The binary search only-
84 works when the filterMode is Qt::MatchStartsWith.-
85-
86 The model can be a \l{QAbstractListModel}{list model},-
87 a \l{QAbstractTableModel}{table model}, or a-
88 \l{QAbstractItemModel}{tree model}. Completion on tree models-
89 is slightly more involved and is covered in the \l{Handling-
90 Tree Models} section below.-
91-
92 The completionMode() determines the mode used to provide completions to-
93 the user.-
94-
95 \section1 Iterating Through Completions-
96-
97 To retrieve a single candidate string, call setCompletionPrefix()-
98 with the text that needs to be completed and call-
99 currentCompletion(). You can iterate through the list of-
100 completions as below:-
101-
102 \snippet code/src_gui_util_qcompleter.cpp 2-
103-
104 completionCount() returns the total number of completions for the-
105 current prefix. completionCount() should be avoided when possible,-
106 since it requires a scan of the entire model.-
107-
108 \section1 The Completion Model-
109-
110 completionModel() return a list model that contains all possible-
111 completions for the current completion prefix, in the order in which-
112 they appear in the model. This model can be used to display the current-
113 completions in a custom view. Calling setCompletionPrefix() automatically-
114 refreshes the completion model.-
115-
116 \section1 Handling Tree Models-
117-
118 QCompleter can look for completions in tree models, assuming-
119 that any item (or sub-item or sub-sub-item) can be unambiguously-
120 represented as a string by specifying the path to the item. The-
121 completion is then performed one level at a time.-
122-
123 Let's take the example of a user typing in a file system path.-
124 The model is a (hierarchical) QFileSystemModel. The completion-
125 occurs for every element in the path. For example, if the current-
126 text is \c C:\Wind, QCompleter might suggest \c Windows to-
127 complete the current path element. Similarly, if the current text-
128 is \c C:\Windows\Sy, QCompleter might suggest \c System.-
129-
130 For this kind of completion to work, QCompleter needs to be able to-
131 split the path into a list of strings that are matched at each level.-
132 For \c C:\Windows\Sy, it needs to be split as "C:", "Windows" and "Sy".-
133 The default implementation of splitPath(), splits the completionPrefix-
134 using QDir::separator() if the model is a QFileSystemModel.-
135-
136 To provide completions, QCompleter needs to know the path from an index.-
137 This is provided by pathFromIndex(). The default implementation of-
138 pathFromIndex(), returns the data for the \l{Qt::EditRole}{edit role}-
139 for list models and the absolute file path if the mode is a QFileSystemModel.-
140-
141 \sa QAbstractItemModel, QLineEdit, QComboBox, {Completer Example}-
142*/-
143-
144#include "qcompleter_p.h"-
145-
146#ifndef QT_NO_COMPLETER-
147-
148#include "QtWidgets/qscrollbar.h"-
149#include "QtCore/qstringlistmodel.h"-
150#include "QtWidgets/qdirmodel.h"-
151#include "QtWidgets/qfilesystemmodel.h"-
152#include "QtWidgets/qheaderview.h"-
153#include "QtWidgets/qlistview.h"-
154#include "QtWidgets/qapplication.h"-
155#include "QtGui/qevent.h"-
156#include "QtWidgets/qdesktopwidget.h"-
157#include "QtWidgets/qlineedit.h"-
158-
159QT_BEGIN_NAMESPACE-
160-
161QCompletionModel::QCompletionModel(QCompleterPrivate *c, QObject *parent)-
162 : QAbstractProxyModel(*new QCompletionModelPrivate, parent),-
163 c(c), showAll(false)-
164{-
165 createEngine();-
166}
never executed: end of block
0
167-
168int QCompletionModel::columnCount(const QModelIndex &) const-
169{-
170 Q_D(const QCompletionModel);-
171 return d->model->columnCount();
never executed: return d->model->columnCount();
0
172}-
173-
174void QCompletionModel::setSourceModel(QAbstractItemModel *source)-
175{-
176 bool hadModel = (sourceModel() != 0);-
177-
178 if (hadModel)
hadModelDescription
TRUEnever evaluated
FALSEnever evaluated
0
179 QObject::disconnect(sourceModel(), 0, this, 0);
never executed: QObject::disconnect(sourceModel(), 0, this, 0);
0
180-
181 QAbstractProxyModel::setSourceModel(source);-
182-
183 if (source) {
sourceDescription
TRUEnever evaluated
FALSEnever evaluated
0
184 // TODO: Optimize updates in the source model-
185 connect(source, SIGNAL(modelReset()), this, SLOT(invalidate()));-
186 connect(source, SIGNAL(destroyed()), this, SLOT(modelDestroyed()));-
187 connect(source, SIGNAL(layoutChanged()), this, SLOT(invalidate()));-
188 connect(source, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(rowsInserted()));-
189 connect(source, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(invalidate()));-
190 connect(source, SIGNAL(columnsInserted(QModelIndex,int,int)), this, SLOT(invalidate()));-
191 connect(source, SIGNAL(columnsRemoved(QModelIndex,int,int)), this, SLOT(invalidate()));-
192 connect(source, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(invalidate()));-
193 }
never executed: end of block
0
194-
195 invalidate();-
196}
never executed: end of block
0
197-
198void QCompletionModel::createEngine()-
199{-
200 bool sortedEngine = false;-
201 if (c->filterMode == Qt::MatchStartsWith) {
c->filterMode ...atchStartsWithDescription
TRUEnever evaluated
FALSEnever evaluated
0
202 switch (c->sorting) {-
203 case QCompleter::UnsortedModel:
never executed: case QCompleter::UnsortedModel:
0
204 sortedEngine = false;-
205 break;
never executed: break;
0
206 case QCompleter::CaseSensitivelySortedModel:
never executed: case QCompleter::CaseSensitivelySortedModel:
0
207 sortedEngine = c->cs == Qt::CaseSensitive;-
208 break;
never executed: break;
0
209 case QCompleter::CaseInsensitivelySortedModel:
never executed: case QCompleter::CaseInsensitivelySortedModel:
0
210 sortedEngine = c->cs == Qt::CaseInsensitive;-
211 break;
never executed: break;
0
212 }-
213 }
never executed: end of block
0
214-
215 if (sortedEngine)
sortedEngineDescription
TRUEnever evaluated
FALSEnever evaluated
0
216 engine.reset(new QSortedModelEngine(c));
never executed: engine.reset(new QSortedModelEngine(c));
0
217 else-
218 engine.reset(new QUnsortedModelEngine(c));
never executed: engine.reset(new QUnsortedModelEngine(c));
0
219}-
220-
221QModelIndex QCompletionModel::mapToSource(const QModelIndex& index) const-
222{-
223 Q_D(const QCompletionModel);-
224 if (!index.isValid())
!index.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
225 return engine->curParent;
never executed: return engine->curParent;
0
226-
227 int row;-
228 QModelIndex parent = engine->curParent;-
229 if (!showAll) {
!showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
230 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
231 return QModelIndex();
never executed: return QModelIndex();
0
232 Q_ASSERT(index.row() < engine->matchCount());-
233 QIndexMapper& rootIndices = engine->historyMatch.indices;-
234 if (index.row() < rootIndices.count()) {
index.row() < ...ndices.count()Description
TRUEnever evaluated
FALSEnever evaluated
0
235 row = rootIndices[index.row()];-
236 parent = QModelIndex();-
237 } else {
never executed: end of block
0
238 row = engine->curMatch.indices[index.row() - rootIndices.count()];-
239 }
never executed: end of block
0
240 } else {-
241 row = index.row();-
242 }
never executed: end of block
0
243-
244 return d->model->index(row, index.column(), parent);
never executed: return d->model->index(row, index.column(), parent);
0
245}-
246-
247QModelIndex QCompletionModel::mapFromSource(const QModelIndex& idx) const-
248{-
249 if (!idx.isValid())
!idx.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
250 return QModelIndex();
never executed: return QModelIndex();
0
251-
252 int row = -1;-
253 if (!showAll) {
!showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
254 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
255 return QModelIndex();
never executed: return QModelIndex();
0
256-
257 QIndexMapper& rootIndices = engine->historyMatch.indices;-
258 if (idx.parent().isValid()) {
idx.parent().isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
259 if (idx.parent() != engine->curParent)
idx.parent() !...ine->curParentDescription
TRUEnever evaluated
FALSEnever evaluated
0
260 return QModelIndex();
never executed: return QModelIndex();
0
261 } else {
never executed: end of block
0
262 row = rootIndices.indexOf(idx.row());-
263 if (row == -1 && engine->curParent.isValid())
row == -1Description
TRUEnever evaluated
FALSEnever evaluated
engine->curParent.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
264 return QModelIndex(); // source parent and our parent don't match
never executed: return QModelIndex();
0
265 }
never executed: end of block
0
266-
267 if (row == -1) {
row == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
268 QIndexMapper& indices = engine->curMatch.indices;-
269 engine->filterOnDemand(idx.row() - indices.last());-
270 row = indices.indexOf(idx.row()) + rootIndices.count();-
271 }
never executed: end of block
0
272-
273 if (row == -1)
row == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
274 return QModelIndex();
never executed: return QModelIndex();
0
275 } else {
never executed: end of block
0
276 if (idx.parent() != engine->curParent)
idx.parent() !...ine->curParentDescription
TRUEnever evaluated
FALSEnever evaluated
0
277 return QModelIndex();
never executed: return QModelIndex();
0
278 row = idx.row();-
279 }
never executed: end of block
0
280-
281 return createIndex(row, idx.column());
never executed: return createIndex(row, idx.column());
0
282}-
283-
284bool QCompletionModel::setCurrentRow(int row)-
285{-
286 if (row < 0 || !engine->matchCount())
row < 0Description
TRUEnever evaluated
FALSEnever evaluated
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
287 return false;
never executed: return false;
0
288-
289 if (row >= engine->matchCount())
row >= engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
290 engine->filterOnDemand(row + 1 - engine->matchCount());
never executed: engine->filterOnDemand(row + 1 - engine->matchCount());
0
291-
292 if (row >= engine->matchCount()) // invalid row
row >= engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
293 return false;
never executed: return false;
0
294-
295 engine->curRow = row;-
296 return true;
never executed: return true;
0
297}-
298-
299QModelIndex QCompletionModel::currentIndex(bool sourceIndex) const-
300{-
301 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
302 return QModelIndex();
never executed: return QModelIndex();
0
303-
304 int row = engine->curRow;-
305 if (showAll)
showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
306 row = engine->curMatch.indices[engine->curRow];
never executed: row = engine->curMatch.indices[engine->curRow];
0
307-
308 QModelIndex idx = createIndex(row, c->column);-
309 if (!sourceIndex)
!sourceIndexDescription
TRUEnever evaluated
FALSEnever evaluated
0
310 return idx;
never executed: return idx;
0
311 return mapToSource(idx);
never executed: return mapToSource(idx);
0
312}-
313-
314QModelIndex QCompletionModel::index(int row, int column, const QModelIndex& parent) const-
315{-
316 Q_D(const QCompletionModel);-
317 if (row < 0 || column < 0 || column >= columnCount(parent) || parent.isValid())
row < 0Description
TRUEnever evaluated
FALSEnever evaluated
column < 0Description
TRUEnever evaluated
FALSEnever evaluated
column >= columnCount(parent)Description
TRUEnever evaluated
FALSEnever evaluated
parent.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
318 return QModelIndex();
never executed: return QModelIndex();
0
319-
320 if (!showAll) {
!showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
321 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
322 return QModelIndex();
never executed: return QModelIndex();
0
323 if (row >= engine->historyMatch.indices.count()) {
row >= engine-...ndices.count()Description
TRUEnever evaluated
FALSEnever evaluated
0
324 int want = row + 1 - engine->matchCount();-
325 if (want > 0)
want > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
326 engine->filterOnDemand(want);
never executed: engine->filterOnDemand(want);
0
327 if (row >= engine->matchCount())
row >= engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
328 return QModelIndex();
never executed: return QModelIndex();
0
329 }
never executed: end of block
0
330 } else {
never executed: end of block
0
331 if (row >= d->model->rowCount(engine->curParent))
row >= d->mode...ne->curParent)Description
TRUEnever evaluated
FALSEnever evaluated
0
332 return QModelIndex();
never executed: return QModelIndex();
0
333 }
never executed: end of block
0
334-
335 return createIndex(row, column);
never executed: return createIndex(row, column);
0
336}-
337-
338int QCompletionModel::completionCount() const-
339{-
340 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
341 return 0;
never executed: return 0;
0
342-
343 engine->filterOnDemand(INT_MAX);-
344 return engine->matchCount();
never executed: return engine->matchCount();
0
345}-
346-
347int QCompletionModel::rowCount(const QModelIndex &parent) const-
348{-
349 Q_D(const QCompletionModel);-
350 if (parent.isValid())
parent.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
351 return 0;
never executed: return 0;
0
352-
353 if (showAll) {
showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
354 // Show all items below current parent, even if we have no valid matches-
355 if (engine->curParts.count() != 1 && !engine->matchCount()
engine->curParts.count() != 1Description
TRUEnever evaluated
FALSEnever evaluated
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
356 && !engine->curParent.isValid())
!engine->curParent.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
357 return 0;
never executed: return 0;
0
358 return d->model->rowCount(engine->curParent);
never executed: return d->model->rowCount(engine->curParent);
0
359 }-
360-
361 return completionCount();
never executed: return completionCount();
0
362}-
363-
364void QCompletionModel::setFiltered(bool filtered)-
365{-
366 if (showAll == !filtered)
showAll == !filteredDescription
TRUEnever evaluated
FALSEnever evaluated
0
367 return;
never executed: return;
0
368 beginResetModel();-
369 showAll = !filtered;-
370 endResetModel();-
371}
never executed: end of block
0
372-
373bool QCompletionModel::hasChildren(const QModelIndex &parent) const-
374{-
375 Q_D(const QCompletionModel);-
376 if (parent.isValid())
parent.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
377 return false;
never executed: return false;
0
378-
379 if (showAll)
showAllDescription
TRUEnever evaluated
FALSEnever evaluated
0
380 return d->model->hasChildren(mapToSource(parent));
never executed: return d->model->hasChildren(mapToSource(parent));
0
381-
382 if (!engine->matchCount())
!engine->matchCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
383 return false;
never executed: return false;
0
384-
385 return true;
never executed: return true;
0
386}-
387-
388QVariant QCompletionModel::data(const QModelIndex& index, int role) const-
389{-
390 Q_D(const QCompletionModel);-
391 return d->model->data(mapToSource(index), role);
never executed: return d->model->data(mapToSource(index), role);
0
392}-
393-
394void QCompletionModel::modelDestroyed()-
395{-
396 QAbstractProxyModel::setSourceModel(0); // switch to static empty model-
397 invalidate();-
398}
never executed: end of block
0
399-
400void QCompletionModel::rowsInserted()-
401{-
402 invalidate();-
403 emit rowsAdded();-
404}
never executed: end of block
0
405-
406void QCompletionModel::invalidate()-
407{-
408 engine->cache.clear();-
409 filter(engine->curParts);-
410}
never executed: end of block
0
411-
412void QCompletionModel::filter(const QStringList& parts)-
413{-
414 Q_D(QCompletionModel);-
415 beginResetModel();-
416 engine->filter(parts);-
417 endResetModel();-
418-
419 if (d->model->canFetchMore(engine->curParent))
d->model->canF...ne->curParent)Description
TRUEnever evaluated
FALSEnever evaluated
0
420 d->model->fetchMore(engine->curParent);
never executed: d->model->fetchMore(engine->curParent);
0
421}
never executed: end of block
0
422-
423//////////////////////////////////////////////////////////////////////////////-
424void QCompletionEngine::filter(const QStringList& parts)-
425{-
426 const QAbstractItemModel *model = c->proxy->sourceModel();-
427 curParts = parts;-
428 if (curParts.isEmpty())
curParts.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
429 curParts.append(QString());
never executed: curParts.append(QString());
0
430-
431 curRow = -1;-
432 curParent = QModelIndex();-
433 curMatch = QMatchData();-
434 historyMatch = filterHistory();-
435-
436 if (!model)
!modelDescription
TRUEnever evaluated
FALSEnever evaluated
0
437 return;
never executed: return;
0
438-
439 QModelIndex parent;-
440 for (int i = 0; i < curParts.count() - 1; i++) {
i < curParts.count() - 1Description
TRUEnever evaluated
FALSEnever evaluated
0
441 QString part = curParts.at(i);-
442 int emi = filter(part, parent, -1).exactMatchIndex;-
443 if (emi == -1)
emi == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
444 return;
never executed: return;
0
445 parent = model->index(emi, c->column, parent);-
446 }
never executed: end of block
0
447-
448 // Note that we set the curParent to a valid parent, even if we have no matches-
449 // When filtering is disabled, we show all the items under this parent-
450 curParent = parent;-
451 if (curParts.constLast().isEmpty())
curParts.constLast().isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
452 curMatch = QMatchData(QIndexMapper(0, model->rowCount(curParent) - 1), -1, false);
never executed: curMatch = QMatchData(QIndexMapper(0, model->rowCount(curParent) - 1), -1, false);
0
453 else-
454 curMatch = filter(curParts.constLast(), curParent, 1); // build at least one
never executed: curMatch = filter(curParts.constLast(), curParent, 1);
0
455 curRow = curMatch.isValid() ? 0 : -1;
curMatch.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
456}
never executed: end of block
0
457-
458QMatchData QCompletionEngine::filterHistory()-
459{-
460 QAbstractItemModel *source = c->proxy->sourceModel();-
461 if (curParts.count() <= 1 || c->proxy->showAll || !source)
curParts.count() <= 1Description
TRUEnever evaluated
FALSEnever evaluated
c->proxy->showAllDescription
TRUEnever evaluated
FALSEnever evaluated
!sourceDescription
TRUEnever evaluated
FALSEnever evaluated
0
462 return QMatchData();
never executed: return QMatchData();
0
463-
464#ifndef QT_NO_DIRMODEL-
465 const bool isDirModel = (qobject_cast<QDirModel *>(source) != 0);-
466#else-
467 const bool isDirModel = false;-
468#endif-
469 Q_UNUSED(isDirModel)-
470#ifndef QT_NO_FILESYSTEMMODEL-
471 const bool isFsModel = (qobject_cast<QFileSystemModel *>(source) != 0);-
472#else-
473 const bool isFsModel = false;-
474#endif-
475 Q_UNUSED(isFsModel)-
476 QVector<int> v;-
477 QIndexMapper im(v);-
478 QMatchData m(im, -1, true);-
479-
480 for (int i = 0; i < source->rowCount(); i++) {
i < source->rowCount()Description
TRUEnever evaluated
FALSEnever evaluated
0
481 QString str = source->index(i, c->column).data().toString();-
482 if (str.startsWith(c->prefix, c->cs)
str.startsWith...prefix, c->cs)Description
TRUEnever evaluated
FALSEnever evaluated
0
483#if !defined(Q_OS_WIN) || defined(Q_OS_WINCE)-
484 && ((!isFsModel && !isDirModel) || QDir::toNativeSeparators(str) != QDir::separator())
!isFsModelDescription
TRUEnever evaluated
FALSEnever evaluated
!isDirModelDescription
TRUEnever evaluated
FALSEnever evaluated
QDir::toNative...r::separator()Description
TRUEnever evaluated
FALSEnever evaluated
0
485#endif-
486 )-
487 m.indices.append(i);
never executed: m.indices.append(i);
0
488 }
never executed: end of block
0
489 return m;
never executed: return m;
0
490}-
491-
492// Returns a match hint from the cache by chopping the search string-
493bool QCompletionEngine::matchHint(QString part, const QModelIndex& parent, QMatchData *hint)-
494{-
495 if (c->cs == Qt::CaseInsensitive)
c->cs == Qt::CaseInsensitiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
496 part = part.toLower();
never executed: part = part.toLower();
0
497-
498 const CacheItem& map = cache[parent];-
499-
500 QString key = part;-
501 while (!key.isEmpty()) {
!key.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
502 key.chop(1);-
503 if (map.contains(key)) {
map.contains(key)Description
TRUEnever evaluated
FALSEnever evaluated
0
504 *hint = map[key];-
505 return true;
never executed: return true;
0
506 }-
507 }
never executed: end of block
0
508-
509 return false;
never executed: return false;
0
510}-
511-
512bool QCompletionEngine::lookupCache(QString part, const QModelIndex& parent, QMatchData *m)-
513{-
514 if (c->cs == Qt::CaseInsensitive)
c->cs == Qt::CaseInsensitiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
515 part = part.toLower();
never executed: part = part.toLower();
0
516 const CacheItem& map = cache[parent];-
517 if (!map.contains(part))
!map.contains(part)Description
TRUEnever evaluated
FALSEnever evaluated
0
518 return false;
never executed: return false;
0
519 *m = map[part];-
520 return true;
never executed: return true;
0
521}-
522-
523// When the cache size exceeds 1MB, it clears out about 1/2 of the cache.-
524void QCompletionEngine::saveInCache(QString part, const QModelIndex& parent, const QMatchData& m)-
525{-
526 if (c->filterMode == Qt::MatchEndsWith)
c->filterMode ...:MatchEndsWithDescription
TRUEnever evaluated
FALSEnever evaluated
0
527 return;
never executed: return;
0
528 QMatchData old = cache[parent].take(part);-
529 cost = cost + m.indices.cost() - old.indices.cost();-
530 if (cost * sizeof(int) > 1024 * 1024) {
cost * sizeof(... > 1024 * 1024Description
TRUEnever evaluated
FALSEnever evaluated
0
531 QMap<QModelIndex, CacheItem>::iterator it1 = cache.begin();-
532 while (it1 != cache.end()) {
it1 != cache.end()Description
TRUEnever evaluated
FALSEnever evaluated
0
533 CacheItem& ci = it1.value();-
534 int sz = ci.count()/2;-
535 QMap<QString, QMatchData>::iterator it2 = ci.begin();-
536 int i = 0;-
537 while (it2 != ci.end() && i < sz) {
it2 != ci.end()Description
TRUEnever evaluated
FALSEnever evaluated
i < szDescription
TRUEnever evaluated
FALSEnever evaluated
0
538 cost -= it2.value().indices.cost();-
539 it2 = ci.erase(it2);-
540 i++;-
541 }
never executed: end of block
0
542 if (ci.count() == 0) {
ci.count() == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
543 it1 = cache.erase(it1);-
544 } else {
never executed: end of block
0
545 ++it1;-
546 }
never executed: end of block
0
547 }-
548 }
never executed: end of block
0
549-
550 if (c->cs == Qt::CaseInsensitive)
c->cs == Qt::CaseInsensitiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
551 part = part.toLower();
never executed: part = part.toLower();
0
552 cache[parent][part] = m;-
553}
never executed: end of block
0
554-
555///////////////////////////////////////////////////////////////////////////////////-
556QIndexMapper QSortedModelEngine::indexHint(QString part, const QModelIndex& parent, Qt::SortOrder order)-
557{-
558 const QAbstractItemModel *model = c->proxy->sourceModel();-
559-
560 if (c->cs == Qt::CaseInsensitive)
c->cs == Qt::CaseInsensitiveDescription
TRUEnever evaluated
FALSEnever evaluated
0
561 part = part.toLower();
never executed: part = part.toLower();
0
562-
563 const CacheItem& map = cache[parent];-
564-
565 // Try to find a lower and upper bound for the search from previous results-
566 int to = model->rowCount(parent) - 1;-
567 int from = 0;-
568 const CacheItem::const_iterator it = map.lowerBound(part);-
569-
570 // look backward for first valid hint-
571 for(CacheItem::const_iterator it1 = it; it1-- != map.constBegin();) {
it1-- != map.constBegin()Description
TRUEnever evaluated
FALSEnever evaluated
0
572 const QMatchData& value = it1.value();-
573 if (value.isValid()) {
value.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
574 if (order == Qt::AscendingOrder) {
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
0
575 from = value.indices.last() + 1;-
576 } else {
never executed: end of block
0
577 to = value.indices.first() - 1;-
578 }
never executed: end of block
0
579 break;
never executed: break;
0
580 }-
581 }
never executed: end of block
0
582-
583 // look forward for first valid hint-
584 for(CacheItem::const_iterator it2 = it; it2 != map.constEnd(); ++it2) {
it2 != map.constEnd()Description
TRUEnever evaluated
FALSEnever evaluated
0
585 const QMatchData& value = it2.value();-
586 if (value.isValid() && !it2.key().startsWith(part)) {
value.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
!it2.key().startsWith(part)Description
TRUEnever evaluated
FALSEnever evaluated
0
587 if (order == Qt::AscendingOrder) {
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
0
588 to = value.indices.first() - 1;-
589 } else {
never executed: end of block
0
590 from = value.indices.first() + 1;-
591 }
never executed: end of block
0
592 break;
never executed: break;
0
593 }-
594 }
never executed: end of block
0
595-
596 return QIndexMapper(from, to);
never executed: return QIndexMapper(from, to);
0
597}-
598-
599Qt::SortOrder QSortedModelEngine::sortOrder(const QModelIndex &parent) const-
600{-
601 const QAbstractItemModel *model = c->proxy->sourceModel();-
602-
603 int rowCount = model->rowCount(parent);-
604 if (rowCount < 2)
rowCount < 2Description
TRUEnever evaluated
FALSEnever evaluated
0
605 return Qt::AscendingOrder;
never executed: return Qt::AscendingOrder;
0
606 QString first = model->data(model->index(0, c->column, parent), c->role).toString();-
607 QString last = model->data(model->index(rowCount - 1, c->column, parent), c->role).toString();-
608 return QString::compare(first, last, c->cs) <= 0 ? Qt::AscendingOrder : Qt::DescendingOrder;
never executed: return QString::compare(first, last, c->cs) <= 0 ? Qt::AscendingOrder : Qt::DescendingOrder;
0
609}-
610-
611QMatchData QSortedModelEngine::filter(const QString& part, const QModelIndex& parent, int)-
612{-
613 const QAbstractItemModel *model = c->proxy->sourceModel();-
614-
615 QMatchData hint;-
616 if (lookupCache(part, parent, &hint))
lookupCache(pa...parent, &hint)Description
TRUEnever evaluated
FALSEnever evaluated
0
617 return hint;
never executed: return hint;
0
618-
619 QIndexMapper indices;-
620 Qt::SortOrder order = sortOrder(parent);-
621-
622 if (matchHint(part, parent, &hint)) {
matchHint(part, parent, &hint)Description
TRUEnever evaluated
FALSEnever evaluated
0
623 if (!hint.isValid())
!hint.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
624 return QMatchData();
never executed: return QMatchData();
0
625 indices = hint.indices;-
626 } else {
never executed: end of block
0
627 indices = indexHint(part, parent, order);-
628 }
never executed: end of block
0
629-
630 // binary search the model within 'indices' for 'part' under 'parent'-
631 int high = indices.to() + 1;-
632 int low = indices.from() - 1;-
633 int probe;-
634 QModelIndex probeIndex;-
635 QString probeData;-
636-
637 while (high - low > 1)
high - low > 1Description
TRUEnever evaluated
FALSEnever evaluated
0
638 {-
639 probe = (high + low) / 2;-
640 probeIndex = model->index(probe, c->column, parent);-
641 probeData = model->data(probeIndex, c->role).toString();-
642 const int cmp = QString::compare(probeData, part, c->cs);-
643 if ((order == Qt::AscendingOrder && cmp >= 0)
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
cmp >= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
644 || (order == Qt::DescendingOrder && cmp < 0)) {
order == Qt::DescendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
cmp < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
645 high = probe;-
646 } else {
never executed: end of block
0
647 low = probe;-
648 }
never executed: end of block
0
649 }-
650-
651 if ((order == Qt::AscendingOrder && low == indices.to())
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
low == indices.to()Description
TRUEnever evaluated
FALSEnever evaluated
0
652 || (order == Qt::DescendingOrder && high == indices.from())) { // not found
order == Qt::DescendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
high == indices.from()Description
TRUEnever evaluated
FALSEnever evaluated
0
653 saveInCache(part, parent, QMatchData());-
654 return QMatchData();
never executed: return QMatchData();
0
655 }-
656-
657 probeIndex = model->index(order == Qt::AscendingOrder ? low+1 : high-1, c->column, parent);-
658 probeData = model->data(probeIndex, c->role).toString();-
659 if (!probeData.startsWith(part, c->cs)) {
!probeData.sta...h(part, c->cs)Description
TRUEnever evaluated
FALSEnever evaluated
0
660 saveInCache(part, parent, QMatchData());-
661 return QMatchData();
never executed: return QMatchData();
0
662 }-
663-
664 const bool exactMatch = QString::compare(probeData, part, c->cs) == 0;-
665 int emi = exactMatch ? (order == Qt::AscendingOrder ? low+1 : high-1) : -1;
exactMatchDescription
TRUEnever evaluated
FALSEnever evaluated
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
0
666-
667 int from = 0;-
668 int to = 0;-
669 if (order == Qt::AscendingOrder) {
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
0
670 from = low + 1;-
671 high = indices.to() + 1;-
672 low = from;-
673 } else {
never executed: end of block
0
674 to = high - 1;-
675 low = indices.from() - 1;-
676 high = to;-
677 }
never executed: end of block
0
678-
679 while (high - low > 1)
high - low > 1Description
TRUEnever evaluated
FALSEnever evaluated
0
680 {-
681 probe = (high + low) / 2;-
682 probeIndex = model->index(probe, c->column, parent);-
683 probeData = model->data(probeIndex, c->role).toString();-
684 const bool startsWith = probeData.startsWith(part, c->cs);-
685 if ((order == Qt::AscendingOrder && startsWith)
order == Qt::AscendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
startsWithDescription
TRUEnever evaluated
FALSEnever evaluated
0
686 || (order == Qt::DescendingOrder && !startsWith)) {
order == Qt::DescendingOrderDescription
TRUEnever evaluated
FALSEnever evaluated
!startsWithDescription
TRUEnever evaluated
FALSEnever evaluated
0
687 low = probe;-
688 } else {
never executed: end of block
0
689 high = probe;-
690 }
never executed: end of block
0
691 }-
692-
693 QMatchData m(order == Qt::AscendingOrder ? QIndexMapper(from, high - 1) : QIndexMapper(low+1, to), emi, false);-
694 saveInCache(part, parent, m);-
695 return m;
never executed: return m;
0
696}-
697-
698////////////////////////////////////////////////////////////////////////////////////////-
699int QUnsortedModelEngine::buildIndices(const QString& str, const QModelIndex& parent, int n,-
700 const QIndexMapper& indices, QMatchData* m)-
701{-
702 Q_ASSERT(m->partial);-
703 Q_ASSERT(n != -1 || m->exactMatchIndex == -1);-
704 const QAbstractItemModel *model = c->proxy->sourceModel();-
705 int i, count = 0;-
706-
707 for (i = 0; i < indices.count() && count != n; ++i) {
i < indices.count()Description
TRUEnever evaluated
FALSEnever evaluated
count != nDescription
TRUEnever evaluated
FALSEnever evaluated
0
708 QModelIndex idx = model->index(indices[i], c->column, parent);-
709-
710 if (!(model->flags(idx) & Qt::ItemIsSelectable))
!(model->flags...mIsSelectable)Description
TRUEnever evaluated
FALSEnever evaluated
0
711 continue;
never executed: continue;
0
712-
713 QString data = model->data(idx, c->role).toString();-
714-
715 switch (c->filterMode) {-
716 case Qt::MatchStartsWith:
never executed: case Qt::MatchStartsWith:
0
717 if (!data.startsWith(str, c->cs))
!data.startsWith(str, c->cs)Description
TRUEnever evaluated
FALSEnever evaluated
0
718 continue;
never executed: continue;
0
719 break;
never executed: break;
0
720 case Qt::MatchContains:
never executed: case Qt::MatchContains:
0
721 if (!data.contains(str, c->cs))
!data.contains(str, c->cs)Description
TRUEnever evaluated
FALSEnever evaluated
0
722 continue;
never executed: continue;
0
723 break;
never executed: break;
0
724 case Qt::MatchEndsWith:
never executed: case Qt::MatchEndsWith:
0
725 if (!data.endsWith(str, c->cs))
!data.endsWith(str, c->cs)Description
TRUEnever evaluated
FALSEnever evaluated
0
726 continue;
never executed: continue;
0
727 break;
never executed: break;
0
728 case Qt::MatchExactly:
never executed: case Qt::MatchExactly:
0
729 case Qt::MatchFixedString:
never executed: case Qt::MatchFixedString:
0
730 case Qt::MatchCaseSensitive:
never executed: case Qt::MatchCaseSensitive:
0
731 case Qt::MatchRegExp:
never executed: case Qt::MatchRegExp:
0
732 case Qt::MatchWildcard:
never executed: case Qt::MatchWildcard:
0
733 case Qt::MatchWrap:
never executed: case Qt::MatchWrap:
0
734 case Qt::MatchRecursive:
never executed: case Qt::MatchRecursive:
0
735 Q_UNREACHABLE();-
736 break;
never executed: break;
0
737 }-
738 m->indices.append(indices[i]);-
739 ++count;-
740 if (m->exactMatchIndex == -1 && QString::compare(data, str, c->cs) == 0) {
m->exactMatchIndex == -1Description
TRUEnever evaluated
FALSEnever evaluated
QString::compa...r, c->cs) == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
741 m->exactMatchIndex = indices[i];-
742 if (n == -1)
n == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
743 return indices[i];
never executed: return indices[i];
0
744 }
never executed: end of block
0
745 }
never executed: end of block
0
746 return indices[i-1];
never executed: return indices[i-1];
0
747}-
748-
749void QUnsortedModelEngine::filterOnDemand(int n)-
750{-
751 Q_ASSERT(matchCount());-
752 if (!curMatch.partial)
!curMatch.partialDescription
TRUEnever evaluated
FALSEnever evaluated
0
753 return;
never executed: return;
0
754 Q_ASSERT(n >= -1);-
755 const QAbstractItemModel *model = c->proxy->sourceModel();-
756 int lastRow = model->rowCount(curParent) - 1;-
757 QIndexMapper im(curMatch.indices.last() + 1, lastRow);-
758 int lastIndex = buildIndices(curParts.constLast(), curParent, n, im, &curMatch);-
759 curMatch.partial = (lastRow != lastIndex);-
760 saveInCache(curParts.constLast(), curParent, curMatch);-
761}
never executed: end of block
0
762-
763QMatchData QUnsortedModelEngine::filter(const QString& part, const QModelIndex& parent, int n)-
764{-
765 QMatchData hint;-
766-
767 QVector<int> v;-
768 QIndexMapper im(v);-
769 QMatchData m(im, -1, true);-
770-
771 const QAbstractItemModel *model = c->proxy->sourceModel();-
772 bool foundInCache = lookupCache(part, parent, &m);-
773-
774 if (!foundInCache) {
!foundInCacheDescription
TRUEnever evaluated
FALSEnever evaluated
0
775 if (matchHint(part, parent, &hint) && !hint.isValid())
matchHint(part, parent, &hint)Description
TRUEnever evaluated
FALSEnever evaluated
!hint.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
776 return QMatchData();
never executed: return QMatchData();
0
777 }
never executed: end of block
0
778-
779 if (!foundInCache && !hint.isValid()) {
!foundInCacheDescription
TRUEnever evaluated
FALSEnever evaluated
!hint.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
780 const int lastRow = model->rowCount(parent) - 1;-
781 QIndexMapper all(0, lastRow);-
782 int lastIndex = buildIndices(part, parent, n, all, &m);-
783 m.partial = (lastIndex != lastRow);-
784 } else {
never executed: end of block
0
785 if (!foundInCache) { // build from hint as much as we can
!foundInCacheDescription
TRUEnever evaluated
FALSEnever evaluated
0
786 buildIndices(part, parent, INT_MAX, hint.indices, &m);-
787 m.partial = hint.partial;-
788 }
never executed: end of block
0
789 if (m.partial && ((n == -1 && m.exactMatchIndex == -1) || (m.indices.count() < n))) {
m.partialDescription
TRUEnever evaluated
FALSEnever evaluated
n == -1Description
TRUEnever evaluated
FALSEnever evaluated
m.exactMatchIndex == -1Description
TRUEnever evaluated
FALSEnever evaluated
(m.indices.count() < n)Description
TRUEnever evaluated
FALSEnever evaluated
0
790 // need more and have more-
791 const int lastRow = model->rowCount(parent) - 1;-
792 QIndexMapper rest(hint.indices.last() + 1, lastRow);-
793 int want = n == -1 ? -1 : n - m.indices.count();
n == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
794 int lastIndex = buildIndices(part, parent, want, rest, &m);-
795 m.partial = (lastRow != lastIndex);-
796 }
never executed: end of block
0
797 }
never executed: end of block
0
798-
799 saveInCache(part, parent, m);-
800 return m;
never executed: return m;
0
801}-
802-
803///////////////////////////////////////////////////////////////////////////////-
804QCompleterPrivate::QCompleterPrivate()-
805: widget(0), proxy(0), popup(0), filterMode(Qt::MatchStartsWith), cs(Qt::CaseSensitive),-
806 role(Qt::EditRole), column(0), maxVisibleItems(7), sorting(QCompleter::UnsortedModel),-
807 wrap(true), eatFocusOut(true), hiddenBecauseNoMatch(false)-
808{-
809}
never executed: end of block
0
810-
811void QCompleterPrivate::init(QAbstractItemModel *m)-
812{-
813 Q_Q(QCompleter);-
814 proxy = new QCompletionModel(this, q);-
815 QObject::connect(proxy, SIGNAL(rowsAdded()), q, SLOT(_q_autoResizePopup()));-
816 q->setModel(m);-
817#ifdef QT_NO_LISTVIEW-
818 q->setCompletionMode(QCompleter::InlineCompletion);-
819#else-
820 q->setCompletionMode(QCompleter::PopupCompletion);-
821#endif // QT_NO_LISTVIEW-
822}
never executed: end of block
0
823-
824void QCompleterPrivate::setCurrentIndex(QModelIndex index, bool select)-
825{-
826 Q_Q(QCompleter);-
827 if (!q->popup())
!q->popup()Description
TRUEnever evaluated
FALSEnever evaluated
0
828 return;
never executed: return;
0
829 if (!select) {
!selectDescription
TRUEnever evaluated
FALSEnever evaluated
0
830 popup->selectionModel()->setCurrentIndex(index, QItemSelectionModel::NoUpdate);-
831 } else {
never executed: end of block
0
832 if (!index.isValid())
!index.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
833 popup->selectionModel()->clear();
never executed: popup->selectionModel()->clear();
0
834 else-
835 popup->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select
never executed: popup->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select | QItemSelectionModel::Rows);
0
836 | QItemSelectionModel::Rows);
never executed: popup->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select | QItemSelectionModel::Rows);
0
837 }-
838 index = popup->selectionModel()->currentIndex();-
839 if (!index.isValid())
!index.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
840 popup->scrollToTop();
never executed: popup->scrollToTop();
0
841 else-
842 popup->scrollTo(index, QAbstractItemView::PositionAtTop);
never executed: popup->scrollTo(index, QAbstractItemView::PositionAtTop);
0
843}-
844-
845void QCompleterPrivate::_q_completionSelected(const QItemSelection& selection)-
846{-
847 QModelIndex index;-
848 if (!selection.indexes().isEmpty())
!selection.indexes().isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
849 index = selection.indexes().first();
never executed: index = selection.indexes().first();
0
850-
851 _q_complete(index, true);-
852}
never executed: end of block
0
853-
854void QCompleterPrivate::_q_complete(QModelIndex index, bool highlighted)-
855{-
856 Q_Q(QCompleter);-
857 QString completion;-
858-
859 if (!index.isValid() || (!proxy->showAll && (index.row() >= proxy->engine->matchCount()))) {
!index.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
!proxy->showAllDescription
TRUEnever evaluated
FALSEnever evaluated
(index.row() >...>matchCount())Description
TRUEnever evaluated
FALSEnever evaluated
0
860 completion = prefix;-
861 index = QModelIndex();-
862 } else {
never executed: end of block
0
863 if (!(index.flags() & Qt::ItemIsEnabled))
!(index.flags(...ItemIsEnabled)Description
TRUEnever evaluated
FALSEnever evaluated
0
864 return;
never executed: return;
0
865 QModelIndex si = proxy->mapToSource(index);-
866 si = si.sibling(si.row(), column); // for clicked()-
867 completion = q->pathFromIndex(si);-
868#ifndef QT_NO_DIRMODEL-
869 // add a trailing separator in inline-
870 if (mode == QCompleter::InlineCompletion) {
mode == QCompl...lineCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
871 if (qobject_cast<QDirModel *>(proxy->sourceModel()) && QFileInfo(completion).isDir())
qobject_cast<Q...sourceModel())Description
TRUEnever evaluated
FALSEnever evaluated
QFileInfo(completion).isDir()Description
TRUEnever evaluated
FALSEnever evaluated
0
872 completion += QDir::separator();
never executed: completion += QDir::separator();
0
873 }
never executed: end of block
0
874#endif-
875#ifndef QT_NO_FILESYSTEMMODEL-
876 // add a trailing separator in inline-
877 if (mode == QCompleter::InlineCompletion) {
mode == QCompl...lineCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
878 if (qobject_cast<QFileSystemModel *>(proxy->sourceModel()) && QFileInfo(completion).isDir())
qobject_cast<Q...sourceModel())Description
TRUEnever evaluated
FALSEnever evaluated
QFileInfo(completion).isDir()Description
TRUEnever evaluated
FALSEnever evaluated
0
879 completion += QDir::separator();
never executed: completion += QDir::separator();
0
880 }
never executed: end of block
0
881#endif-
882 }
never executed: end of block
0
883-
884 if (highlighted) {
highlightedDescription
TRUEnever evaluated
FALSEnever evaluated
0
885 emit q->highlighted(index);-
886 emit q->highlighted(completion);-
887 } else {
never executed: end of block
0
888 emit q->activated(index);-
889 emit q->activated(completion);-
890 }
never executed: end of block
0
891}-
892-
893void QCompleterPrivate::_q_autoResizePopup()-
894{-
895 if (!popup || !popup->isVisible())
!popupDescription
TRUEnever evaluated
FALSEnever evaluated
!popup->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
896 return;
never executed: return;
0
897 showPopup(popupRect);-
898}
never executed: end of block
0
899-
900void QCompleterPrivate::showPopup(const QRect& rect)-
901{-
902 const QRect screen = QApplication::desktop()->availableGeometry(widget);-
903 Qt::LayoutDirection dir = widget->layoutDirection();-
904 QPoint pos;-
905 int rh, w;-
906 int h = (popup->sizeHintForRow(0) * qMin(maxVisibleItems, popup->model()->rowCount()) + 3) + 3;-
907 QScrollBar *hsb = popup->horizontalScrollBar();-
908 if (hsb && hsb->isVisible())
hsbDescription
TRUEnever evaluated
FALSEnever evaluated
hsb->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
909 h += popup->horizontalScrollBar()->sizeHint().height();
never executed: h += popup->horizontalScrollBar()->sizeHint().height();
0
910-
911 if (rect.isValid()) {
rect.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
912 rh = rect.height();-
913 w = rect.width();-
914 pos = widget->mapToGlobal(dir == Qt::RightToLeft ? rect.bottomRight() : rect.bottomLeft());-
915 } else {
never executed: end of block
0
916 rh = widget->height();-
917 pos = widget->mapToGlobal(QPoint(0, widget->height() - 2));-
918 w = widget->width();-
919 }
never executed: end of block
0
920-
921 if (w > screen.width())
w > screen.width()Description
TRUEnever evaluated
FALSEnever evaluated
0
922 w = screen.width();
never executed: w = screen.width();
0
923 if ((pos.x() + w) > (screen.x() + screen.width()))
(pos.x() + w) ...creen.width())Description
TRUEnever evaluated
FALSEnever evaluated
0
924 pos.setX(screen.x() + screen.width() - w);
never executed: pos.setX(screen.x() + screen.width() - w);
0
925 if (pos.x() < screen.x())
pos.x() < screen.x()Description
TRUEnever evaluated
FALSEnever evaluated
0
926 pos.setX(screen.x());
never executed: pos.setX(screen.x());
0
927-
928 int top = pos.y() - rh - screen.top() + 2;-
929 int bottom = screen.bottom() - pos.y();-
930 h = qMax(h, popup->minimumHeight());-
931 if (h > bottom) {
h > bottomDescription
TRUEnever evaluated
FALSEnever evaluated
0
932 h = qMin(qMax(top, bottom), h);-
933-
934 if (top > bottom)
top > bottomDescription
TRUEnever evaluated
FALSEnever evaluated
0
935 pos.setY(pos.y() - h - rh + 2);
never executed: pos.setY(pos.y() - h - rh + 2);
0
936 }
never executed: end of block
0
937-
938 popup->setGeometry(pos.x(), pos.y(), w, h);-
939-
940 if (!popup->isVisible())
!popup->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
941 popup->show();
never executed: popup->show();
0
942}
never executed: end of block
0
943-
944void QCompleterPrivate::_q_fileSystemModelDirectoryLoaded(const QString &path)-
945{-
946 Q_Q(QCompleter);-
947 // Slot called when QFileSystemModel has finished loading.-
948 // If we hide the popup because there was no match because the model was not loaded yet,-
949 // we re-start the completion when we get the results-
950 if (hiddenBecauseNoMatch
hiddenBecauseNoMatchDescription
TRUEnever evaluated
FALSEnever evaluated
0
951 && prefix.startsWith(path) && prefix != (path + QLatin1Char('/'))
prefix.startsWith(path)Description
TRUEnever evaluated
FALSEnever evaluated
prefix != (pat...tin1Char('/'))Description
TRUEnever evaluated
FALSEnever evaluated
0
952 && widget) {
widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
953 q->complete();-
954 }
never executed: end of block
0
955}
never executed: end of block
0
956-
957/*!-
958 Constructs a completer object with the given \a parent.-
959*/-
960QCompleter::QCompleter(QObject *parent)-
961: QObject(*new QCompleterPrivate(), parent)-
962{-
963 Q_D(QCompleter);-
964 d->init();-
965}
never executed: end of block
0
966-
967/*!-
968 Constructs a completer object with the given \a parent that provides completions-
969 from the specified \a model.-
970*/-
971QCompleter::QCompleter(QAbstractItemModel *model, QObject *parent)-
972 : QObject(*new QCompleterPrivate(), parent)-
973{-
974 Q_D(QCompleter);-
975 d->init(model);-
976}
never executed: end of block
0
977-
978#ifndef QT_NO_STRINGLISTMODEL-
979/*!-
980 Constructs a QCompleter object with the given \a parent that uses the specified-
981 \a list as a source of possible completions.-
982*/-
983QCompleter::QCompleter(const QStringList& list, QObject *parent)-
984: QObject(*new QCompleterPrivate(), parent)-
985{-
986 Q_D(QCompleter);-
987 d->init(new QStringListModel(list, this));-
988}
never executed: end of block
0
989#endif // QT_NO_STRINGLISTMODEL-
990-
991/*!-
992 Destroys the completer object.-
993*/-
994QCompleter::~QCompleter()-
995{-
996}-
997-
998/*!-
999 Sets the widget for which completion are provided for to \a widget. This-
1000 function is automatically called when a QCompleter is set on a QLineEdit-
1001 using QLineEdit::setCompleter() or on a QComboBox using-
1002 QComboBox::setCompleter(). The widget needs to be set explicitly when-
1003 providing completions for custom widgets.-
1004-
1005 \sa widget(), setModel(), setPopup()-
1006 */-
1007void QCompleter::setWidget(QWidget *widget)-
1008{-
1009 Q_D(QCompleter);-
1010 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1011 d->widget->removeEventFilter(this);
never executed: d->widget->removeEventFilter(this);
0
1012 d->widget = widget;-
1013 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1014 d->widget->installEventFilter(this);
never executed: d->widget->installEventFilter(this);
0
1015 if (d->popup) {
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1016 d->popup->hide();-
1017 d->popup->setFocusProxy(d->widget);-
1018 }
never executed: end of block
0
1019}
never executed: end of block
0
1020-
1021/*!-
1022 Returns the widget for which the completer object is providing completions.-
1023-
1024 \sa setWidget()-
1025 */-
1026QWidget *QCompleter::widget() const-
1027{-
1028 Q_D(const QCompleter);-
1029 return d->widget;
never executed: return d->widget;
0
1030}-
1031-
1032/*!-
1033 Sets the model which provides completions to \a model. The \a model can-
1034 be list model or a tree model. If a model has been already previously set-
1035 and it has the QCompleter as its parent, it is deleted.-
1036-
1037 For convenience, if \a model is a QFileSystemModel, QCompleter switches its-
1038 caseSensitivity to Qt::CaseInsensitive on Windows and Qt::CaseSensitive-
1039 on other platforms.-
1040-
1041 \sa completionModel(), modelSorting, {Handling Tree Models}-
1042*/-
1043void QCompleter::setModel(QAbstractItemModel *model)-
1044{-
1045 Q_D(QCompleter);-
1046 QAbstractItemModel *oldModel = d->proxy->sourceModel();-
1047#ifndef QT_NO_FILESYSTEMMODEL-
1048 if (qobject_cast<const QFileSystemModel *>(oldModel))
qobject_cast<c...l *>(oldModel)Description
TRUEnever evaluated
FALSEnever evaluated
0
1049 setCompletionRole(Qt::EditRole); // QTBUG-54642, clear FileNameRole set by QFileSystemModel
never executed: setCompletionRole(Qt::EditRole);
0
1050#endif-
1051 d->proxy->setSourceModel(model);-
1052 if (d->popup)
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1053 setPopup(d->popup); // set the model and make new connections
never executed: setPopup(d->popup);
0
1054 if (oldModel && oldModel->QObject::parent() == this)
oldModelDescription
TRUEnever evaluated
FALSEnever evaluated
oldModel->QObj...rent() == thisDescription
TRUEnever evaluated
FALSEnever evaluated
0
1055 delete oldModel;
never executed: delete oldModel;
0
1056#ifndef QT_NO_DIRMODEL-
1057 if (qobject_cast<QDirModel *>(model)) {
qobject_cast<Q...odel *>(model)Description
TRUEnever evaluated
FALSEnever evaluated
0
1058#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)-
1059 setCaseSensitivity(Qt::CaseInsensitive);-
1060#else-
1061 setCaseSensitivity(Qt::CaseSensitive);-
1062#endif-
1063 }
never executed: end of block
0
1064#endif // QT_NO_DIRMODEL-
1065#ifndef QT_NO_FILESYSTEMMODEL-
1066 QFileSystemModel *fsModel = qobject_cast<QFileSystemModel *>(model);-
1067 if (fsModel) {
fsModelDescription
TRUEnever evaluated
FALSEnever evaluated
0
1068#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)-
1069 setCaseSensitivity(Qt::CaseInsensitive);-
1070#else-
1071 setCaseSensitivity(Qt::CaseSensitive);-
1072#endif-
1073 setCompletionRole(QFileSystemModel::FileNameRole);-
1074 connect(fsModel, SIGNAL(directoryLoaded(QString)), this, SLOT(_q_fileSystemModelDirectoryLoaded(QString)));-
1075 }
never executed: end of block
0
1076#endif // QT_NO_FILESYSTEMMODEL-
1077}
never executed: end of block
0
1078-
1079/*!-
1080 Returns the model that provides completion strings.-
1081-
1082 \sa completionModel()-
1083*/-
1084QAbstractItemModel *QCompleter::model() const-
1085{-
1086 Q_D(const QCompleter);-
1087 return d->proxy->sourceModel();
never executed: return d->proxy->sourceModel();
0
1088}-
1089-
1090/*!-
1091 \enum QCompleter::CompletionMode-
1092-
1093 This enum specifies how completions are provided to the user.-
1094-
1095 \value PopupCompletion Current completions are displayed in a popup window.-
1096 \value InlineCompletion Completions appear inline (as selected text).-
1097 \value UnfilteredPopupCompletion All possible completions are displayed in a popup window with the most likely suggestion indicated as current.-
1098-
1099 \sa setCompletionMode()-
1100*/-
1101-
1102/*!-
1103 \property QCompleter::completionMode-
1104 \brief how the completions are provided to the user-
1105-
1106 The default value is QCompleter::PopupCompletion.-
1107*/-
1108void QCompleter::setCompletionMode(QCompleter::CompletionMode mode)-
1109{-
1110 Q_D(QCompleter);-
1111 d->mode = mode;-
1112 d->proxy->setFiltered(mode != QCompleter::UnfilteredPopupCompletion);-
1113-
1114 if (mode == QCompleter::InlineCompletion) {
mode == QCompl...lineCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1115 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1116 d->widget->removeEventFilter(this);
never executed: d->widget->removeEventFilter(this);
0
1117 if (d->popup) {
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1118 d->popup->deleteLater();-
1119 d->popup = 0;-
1120 }
never executed: end of block
0
1121 } else {
never executed: end of block
0
1122 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1123 d->widget->installEventFilter(this);
never executed: d->widget->installEventFilter(this);
0
1124 }
never executed: end of block
0
1125}-
1126-
1127QCompleter::CompletionMode QCompleter::completionMode() const-
1128{-
1129 Q_D(const QCompleter);-
1130 return d->mode;
never executed: return d->mode;
0
1131}-
1132-
1133/*!-
1134 \property QCompleter::filterMode-
1135 \brief how the filtering is performed-
1136 \since 5.2-
1137-
1138 If filterMode is set to Qt::MatchStartsWith, only those entries that start-
1139 with the typed characters will be displayed. Qt::MatchContains will display-
1140 the entries that contain the typed characters, and Qt::MatchEndsWith the-
1141 ones that end with the typed characters.-
1142-
1143 Currently, only these three modes are implemented. Setting filterMode to-
1144 any other Qt::MatchFlag will issue a warning, and no action will be-
1145 performed.-
1146-
1147 The default mode is Qt::MatchStartsWith.-
1148*/-
1149-
1150void QCompleter::setFilterMode(Qt::MatchFlags filterMode)-
1151{-
1152 Q_D(QCompleter);-
1153-
1154 if (d->filterMode == filterMode)
d->filterMode == filterModeDescription
TRUEnever evaluated
FALSEnever evaluated
0
1155 return;
never executed: return;
0
1156-
1157 if (Q_UNLIKELY(filterMode != Qt::MatchStartsWith &&
__builtin_expe...sWith), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
1158 filterMode != Qt::MatchContains &&-
1159 filterMode != Qt::MatchEndsWith)) {-
1160 qWarning("Unhandled QCompleter::filterMode flag is used.");-
1161 return;
never executed: return;
0
1162 }-
1163-
1164 d->filterMode = filterMode;-
1165 d->proxy->createEngine();-
1166 d->proxy->invalidate();-
1167}
never executed: end of block
0
1168-
1169Qt::MatchFlags QCompleter::filterMode() const-
1170{-
1171 Q_D(const QCompleter);-
1172 return d->filterMode;
never executed: return d->filterMode;
0
1173}-
1174-
1175/*!-
1176 Sets the popup used to display completions to \a popup. QCompleter takes-
1177 ownership of the view.-
1178-
1179 A QListView is automatically created when the completionMode() is set to-
1180 QCompleter::PopupCompletion or QCompleter::UnfilteredPopupCompletion. The-
1181 default popup displays the completionColumn().-
1182-
1183 Ensure that this function is called before the view settings are modified.-
1184 This is required since view's properties may require that a model has been-
1185 set on the view (for example, hiding columns in the view requires a model-
1186 to be set on the view).-
1187-
1188 \sa popup()-
1189*/-
1190void QCompleter::setPopup(QAbstractItemView *popup)-
1191{-
1192 Q_D(QCompleter);-
1193 Q_ASSERT(popup != 0);-
1194 if (d->popup) {
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1195 QObject::disconnect(d->popup->selectionModel(), 0, this, 0);-
1196 QObject::disconnect(d->popup, 0, this, 0);-
1197 }
never executed: end of block
0
1198 if (d->popup != popup)
d->popup != popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1199 delete d->popup;
never executed: delete d->popup;
0
1200 if (popup->model() != d->proxy)
popup->model() != d->proxyDescription
TRUEnever evaluated
FALSEnever evaluated
0
1201 popup->setModel(d->proxy);
never executed: popup->setModel(d->proxy);
0
1202 popup->hide();-
1203-
1204 Qt::FocusPolicy origPolicy = Qt::NoFocus;-
1205 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1206 origPolicy = d->widget->focusPolicy();
never executed: origPolicy = d->widget->focusPolicy();
0
1207 popup->setParent(0, Qt::Popup);-
1208 popup->setFocusPolicy(Qt::NoFocus);-
1209 if (d->widget)
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
0
1210 d->widget->setFocusPolicy(origPolicy);
never executed: d->widget->setFocusPolicy(origPolicy);
0
1211-
1212 popup->setFocusProxy(d->widget);-
1213 popup->installEventFilter(this);-
1214 popup->setItemDelegate(new QCompleterItemDelegate(popup));-
1215#ifndef QT_NO_LISTVIEW-
1216 if (QListView *listView = qobject_cast<QListView *>(popup)) {
QListView *lis...View *>(popup)Description
TRUEnever evaluated
FALSEnever evaluated
0
1217 listView->setModelColumn(d->column);-
1218 }
never executed: end of block
0
1219#endif-
1220-
1221 QObject::connect(popup, SIGNAL(clicked(QModelIndex)),-
1222 this, SLOT(_q_complete(QModelIndex)));-
1223 QObject::connect(this, SIGNAL(activated(QModelIndex)),-
1224 popup, SLOT(hide()));-
1225-
1226 QObject::connect(popup->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),-
1227 this, SLOT(_q_completionSelected(QItemSelection)));-
1228 d->popup = popup;-
1229}
never executed: end of block
0
1230-
1231/*!-
1232 Returns the popup used to display completions.-
1233-
1234 \sa setPopup()-
1235*/-
1236QAbstractItemView *QCompleter::popup() const-
1237{-
1238 Q_D(const QCompleter);-
1239#ifndef QT_NO_LISTVIEW-
1240 if (!d->popup && completionMode() != QCompleter::InlineCompletion) {
!d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
completionMode...lineCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1241 QListView *listView = new QListView;-
1242 listView->setEditTriggers(QAbstractItemView::NoEditTriggers);-
1243 listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);-
1244 listView->setSelectionBehavior(QAbstractItemView::SelectRows);-
1245 listView->setSelectionMode(QAbstractItemView::SingleSelection);-
1246 listView->setModelColumn(d->column);-
1247 QCompleter *that = const_cast<QCompleter*>(this);-
1248 that->setPopup(listView);-
1249 }
never executed: end of block
0
1250#endif // QT_NO_LISTVIEW-
1251 return d->popup;
never executed: return d->popup;
0
1252}-
1253-
1254/*!-
1255 \reimp-
1256*/-
1257bool QCompleter::event(QEvent *ev)-
1258{-
1259 return QObject::event(ev);
never executed: return QObject::event(ev);
0
1260}-
1261-
1262/*!-
1263 \reimp-
1264*/-
1265bool QCompleter::eventFilter(QObject *o, QEvent *e)-
1266{-
1267 Q_D(QCompleter);-
1268-
1269 if (d->eatFocusOut && o == d->widget && e->type() == QEvent::FocusOut) {
d->eatFocusOutDescription
TRUEnever evaluated
FALSEnever evaluated
o == d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
e->type() == QEvent::FocusOutDescription
TRUEnever evaluated
FALSEnever evaluated
0
1270 d->hiddenBecauseNoMatch = false;-
1271 if (d->popup && d->popup->isVisible())
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
d->popup->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
1272 return true;
never executed: return true;
0
1273 }
never executed: end of block
0
1274-
1275 if (o != d->popup)
o != d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1276 return QObject::eventFilter(o, e);
never executed: return QObject::eventFilter(o, e);
0
1277-
1278 switch (e->type()) {-
1279 case QEvent::KeyPress: {
never executed: case QEvent::KeyPress:
0
1280 QKeyEvent *ke = static_cast<QKeyEvent *>(e);-
1281-
1282 QModelIndex curIndex = d->popup->currentIndex();-
1283 QModelIndexList selList = d->popup->selectionModel()->selectedIndexes();-
1284-
1285 const int key = ke->key();-
1286 // In UnFilteredPopup mode, select the current item-
1287 if ((key == Qt::Key_Up || key == Qt::Key_Down) && selList.isEmpty() && curIndex.isValid()
key == Qt::Key_UpDescription
TRUEnever evaluated
FALSEnever evaluated
key == Qt::Key_DownDescription
TRUEnever evaluated
FALSEnever evaluated
selList.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
curIndex.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1288 && d->mode == QCompleter::UnfilteredPopupCompletion) {
d->mode == QCo...opupCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1289 d->setCurrentIndex(curIndex);-
1290 return true;
never executed: return true;
0
1291 }-
1292-
1293 // Handle popup navigation keys. These are hardcoded because up/down might make the-
1294 // widget do something else (lineedit cursor moves to home/end on mac, for instance)-
1295 switch (key) {-
1296 case Qt::Key_End:
never executed: case Qt::Key_End:
0
1297 case Qt::Key_Home:
never executed: case Qt::Key_Home:
0
1298 if (ke->modifiers() & Qt::ControlModifier)
ke->modifiers(...ontrolModifierDescription
TRUEnever evaluated
FALSEnever evaluated
0
1299 return false;
never executed: return false;
0
1300 break;
never executed: break;
0
1301-
1302 case Qt::Key_Up:
never executed: case Qt::Key_Up:
0
1303 if (!curIndex.isValid()) {
!curIndex.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1304 int rowCount = d->proxy->rowCount();-
1305 QModelIndex lastIndex = d->proxy->index(rowCount - 1, d->column);-
1306 d->setCurrentIndex(lastIndex);-
1307 return true;
never executed: return true;
0
1308 } else if (curIndex.row() == 0) {
curIndex.row() == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1309 if (d->wrap)
d->wrapDescription
TRUEnever evaluated
FALSEnever evaluated
0
1310 d->setCurrentIndex(QModelIndex());
never executed: d->setCurrentIndex(QModelIndex());
0
1311 return true;
never executed: return true;
0
1312 }-
1313 return false;
never executed: return false;
0
1314-
1315 case Qt::Key_Down:
never executed: case Qt::Key_Down:
0
1316 if (!curIndex.isValid()) {
!curIndex.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1317 QModelIndex firstIndex = d->proxy->index(0, d->column);-
1318 d->setCurrentIndex(firstIndex);-
1319 return true;
never executed: return true;
0
1320 } else if (curIndex.row() == d->proxy->rowCount() - 1) {
curIndex.row()...rowCount() - 1Description
TRUEnever evaluated
FALSEnever evaluated
0
1321 if (d->wrap)
d->wrapDescription
TRUEnever evaluated
FALSEnever evaluated
0
1322 d->setCurrentIndex(QModelIndex());
never executed: d->setCurrentIndex(QModelIndex());
0
1323 return true;
never executed: return true;
0
1324 }-
1325 return false;
never executed: return false;
0
1326-
1327 case Qt::Key_PageUp:
never executed: case Qt::Key_PageUp:
0
1328 case Qt::Key_PageDown:
never executed: case Qt::Key_PageDown:
0
1329 return false;
never executed: return false;
0
1330 }-
1331-
1332 // Send the event to the widget. If the widget accepted the event, do nothing-
1333 // If the widget did not accept the event, provide a default implementation-
1334 d->eatFocusOut = false;-
1335 (static_cast<QObject *>(d->widget))->event(ke);-
1336 d->eatFocusOut = true;-
1337 if (!d->widget || e->isAccepted() || !d->popup->isVisible()) {
!d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
e->isAccepted()Description
TRUEnever evaluated
FALSEnever evaluated
!d->popup->isVisible()Description
TRUEnever evaluated
FALSEnever evaluated
0
1338 // widget lost focus, hide the popup-
1339 if (d->widget && (!d->widget->hasFocus()
d->widgetDescription
TRUEnever evaluated
FALSEnever evaluated
(!d->widget->hasFocus() )Description
TRUEnever evaluated
FALSEnever evaluated
0
1340#ifdef QT_KEYPAD_NAVIGATION
(!d->widget->hasFocus() )Description
TRUEnever evaluated
FALSEnever evaluated
0
1341 || (QApplication::keypadNavigationEnabled() && !d->widget->hasEditFocus())
(!d->widget->hasFocus() )Description
TRUEnever evaluated
FALSEnever evaluated
0
1342#endif
(!d->widget->hasFocus() )Description
TRUEnever evaluated
FALSEnever evaluated
0
1343 ))
(!d->widget->hasFocus() )Description
TRUEnever evaluated
FALSEnever evaluated
0
1344 d->popup->hide();
never executed: d->popup->hide();
0
1345 if (e->isAccepted())
e->isAccepted()Description
TRUEnever evaluated
FALSEnever evaluated
0
1346 return true;
never executed: return true;
0
1347 }
never executed: end of block
0
1348-
1349 // default implementation for keys not handled by the widget when popup is open-
1350 if (ke->matches(QKeySequence::Cancel)) {
ke->matches(QK...uence::Cancel)Description
TRUEnever evaluated
FALSEnever evaluated
0
1351 d->popup->hide();-
1352 return true;
never executed: return true;
0
1353 }-
1354-
1355 switch (key) {-
1356#ifdef QT_KEYPAD_NAVIGATION-
1357 case Qt::Key_Select:-
1358 if (!QApplication::keypadNavigationEnabled())-
1359 break;-
1360#endif-
1361 case Qt::Key_Return:
never executed: case Qt::Key_Return:
0
1362 case Qt::Key_Enter:
never executed: case Qt::Key_Enter:
0
1363 case Qt::Key_Tab:
never executed: case Qt::Key_Tab:
0
1364 d->popup->hide();-
1365 if (curIndex.isValid())
curIndex.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1366 d->_q_complete(curIndex);
never executed: d->_q_complete(curIndex);
0
1367 break;
never executed: break;
0
1368-
1369 case Qt::Key_F4:
never executed: case Qt::Key_F4:
0
1370 if (ke->modifiers() & Qt::AltModifier)
ke->modifiers(...t::AltModifierDescription
TRUEnever evaluated
FALSEnever evaluated
0
1371 d->popup->hide();
never executed: d->popup->hide();
0
1372 break;
never executed: break;
0
1373-
1374 case Qt::Key_Backtab:
never executed: case Qt::Key_Backtab:
0
1375 d->popup->hide();-
1376 break;
never executed: break;
0
1377-
1378 default:
never executed: default:
0
1379 break;
never executed: break;
0
1380 }-
1381-
1382 return true;
never executed: return true;
0
1383 }-
1384-
1385#ifdef QT_KEYPAD_NAVIGATION-
1386 case QEvent::KeyRelease: {-
1387 QKeyEvent *ke = static_cast<QKeyEvent *>(e);-
1388 if (QApplication::keypadNavigationEnabled() && ke->key() == Qt::Key_Back) {-
1389 // Send the event to the 'widget'. This is what we did for KeyPress, so we need-
1390 // to do the same for KeyRelease, in case the widget's KeyPress event set-
1391 // up something (such as a timer) that is relying on also receiving the-
1392 // key release. I see this as a bug in Qt, and should really set it up for all-
1393 // the affected keys. However, it is difficult to tell how this will affect-
1394 // existing code, and I can't test for every combination!-
1395 d->eatFocusOut = false;-
1396 static_cast<QObject *>(d->widget)->event(ke);-
1397 d->eatFocusOut = true;-
1398 }-
1399 break;-
1400 }-
1401#endif-
1402-
1403 case QEvent::MouseButtonPress: {
never executed: case QEvent::MouseButtonPress:
0
1404#ifdef QT_KEYPAD_NAVIGATION-
1405 if (QApplication::keypadNavigationEnabled()) {-
1406 // if we've clicked in the widget (or its descendant), let it handle the click-
1407 QWidget *source = qobject_cast<QWidget *>(o);-
1408 if (source) {-
1409 QPoint pos = source->mapToGlobal((static_cast<QMouseEvent *>(e))->pos());-
1410 QWidget *target = QApplication::widgetAt(pos);-
1411 if (target && (d->widget->isAncestorOf(target) ||-
1412 target == d->widget)) {-
1413 d->eatFocusOut = false;-
1414 static_cast<QObject *>(target)->event(e);-
1415 d->eatFocusOut = true;-
1416 return true;-
1417 }-
1418 }-
1419 }-
1420#endif-
1421 if (!d->popup->underMouse()) {
!d->popup->underMouse()Description
TRUEnever evaluated
FALSEnever evaluated
0
1422 d->popup->hide();-
1423 return true;
never executed: return true;
0
1424 }-
1425 }-
1426 return false;
never executed: return false;
0
1427-
1428 case QEvent::InputMethod:
never executed: case QEvent::InputMethod:
0
1429 case QEvent::ShortcutOverride:
never executed: case QEvent::ShortcutOverride:
0
1430 QApplication::sendEvent(d->widget, e);-
1431 break;
never executed: break;
0
1432-
1433 default:
never executed: default:
0
1434 return false;
never executed: return false;
0
1435 }-
1436 return false;
never executed: return false;
0
1437}-
1438-
1439/*!-
1440 For QCompleter::PopupCompletion and QCompletion::UnfilteredPopupCompletion-
1441 modes, calling this function displays the popup displaying the current-
1442 completions. By default, if \a rect is not specified, the popup is displayed-
1443 on the bottom of the widget(). If \a rect is specified the popup is-
1444 displayed on the left edge of the rectangle.-
1445-
1446 For QCompleter::InlineCompletion mode, the highlighted() signal is fired-
1447 with the current completion.-
1448*/-
1449void QCompleter::complete(const QRect& rect)-
1450{-
1451 Q_D(QCompleter);-
1452 QModelIndex idx = d->proxy->currentIndex(false);-
1453 d->hiddenBecauseNoMatch = false;-
1454 if (d->mode == QCompleter::InlineCompletion) {
d->mode == QCo...lineCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1455 if (idx.isValid())
idx.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1456 d->_q_complete(idx, true);
never executed: d->_q_complete(idx, true);
0
1457 return;
never executed: return;
0
1458 }-
1459-
1460 Q_ASSERT(d->widget != 0);-
1461 if ((d->mode == QCompleter::PopupCompletion && !idx.isValid())
d->mode == QCo...opupCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
!idx.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1462 || (d->mode == QCompleter::UnfilteredPopupCompletion && d->proxy->rowCount() == 0)) {
d->mode == QCo...opupCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
d->proxy->rowCount() == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
1463 if (d->popup)
d->popupDescription
TRUEnever evaluated
FALSEnever evaluated
0
1464 d->popup->hide(); // no suggestion, hide
never executed: d->popup->hide();
0
1465 d->hiddenBecauseNoMatch = true;-
1466 return;
never executed: return;
0
1467 }-
1468-
1469 popup();-
1470 if (d->mode == QCompleter::UnfilteredPopupCompletion)
d->mode == QCo...opupCompletionDescription
TRUEnever evaluated
FALSEnever evaluated
0
1471 d->setCurrentIndex(idx, false);
never executed: d->setCurrentIndex(idx, false);
0
1472-
1473 d->showPopup(rect);-
1474 d->popupRect = rect;-
1475}
never executed: end of block
0
1476-
1477/*!-
1478 Sets the current row to the \a row specified. Returns \c true if successful;-
1479 otherwise returns \c false.-
1480-
1481 This function may be used along with currentCompletion() to iterate-
1482 through all the possible completions.-
1483-
1484 \sa currentCompletion(), completionCount()-
1485*/-
1486bool QCompleter::setCurrentRow(int row)-
1487{-
1488 Q_D(QCompleter);-
1489 return d->proxy->setCurrentRow(row);
never executed: return d->proxy->setCurrentRow(row);
0
1490}-
1491-
1492/*!-
1493 Returns the current row.-
1494-
1495 \sa setCurrentRow()-
1496*/-
1497int QCompleter::currentRow() const-
1498{-
1499 Q_D(const QCompleter);-
1500 return d->proxy->currentRow();
never executed: return d->proxy->currentRow();
0
1501}-
1502-
1503/*!-
1504 Returns the number of completions for the current prefix. For an unsorted-
1505 model with a large number of items this can be expensive. Use setCurrentRow()-
1506 and currentCompletion() to iterate through all the completions.-
1507*/-
1508int QCompleter::completionCount() const-
1509{-
1510 Q_D(const QCompleter);-
1511 return d->proxy->completionCount();
never executed: return d->proxy->completionCount();
0
1512}-
1513-
1514/*!-
1515 \enum QCompleter::ModelSorting-
1516-
1517 This enum specifies how the items in the model are sorted.-
1518-
1519 \value UnsortedModel The model is unsorted.-
1520 \value CaseSensitivelySortedModel The model is sorted case sensitively.-
1521 \value CaseInsensitivelySortedModel The model is sorted case insensitively.-
1522-
1523 \sa setModelSorting()-
1524*/-
1525-
1526/*!-
1527 \property QCompleter::modelSorting-
1528 \brief the way the model is sorted-
1529-
1530 By default, no assumptions are made about the order of the items-
1531 in the model that provides the completions.-
1532-
1533 If the model's data for the completionColumn() and completionRole() is sorted in-
1534 ascending order, you can set this property to \l CaseSensitivelySortedModel-
1535 or \l CaseInsensitivelySortedModel. On large models, this can lead to-
1536 significant performance improvements because the completer object can-
1537 then use a binary search algorithm instead of linear search algorithm.-
1538-
1539 The sort order (i.e ascending or descending order) of the model is determined-
1540 dynamically by inspecting the contents of the model.-
1541-
1542 \b{Note:} The performance improvements described above cannot take place-
1543 when the completer's \l caseSensitivity is different to the case sensitivity-
1544 used by the model's when sorting.-
1545-
1546 \sa setCaseSensitivity(), QCompleter::ModelSorting-
1547*/-
1548void QCompleter::setModelSorting(QCompleter::ModelSorting sorting)-
1549{-
1550 Q_D(QCompleter);-
1551 if (d->sorting == sorting)
d->sorting == sortingDescription
TRUEnever evaluated
FALSEnever evaluated
0
1552 return;
never executed: return;
0
1553 d->sorting = sorting;-
1554 d->proxy->createEngine();-
1555 d->proxy->invalidate();-
1556}
never executed: end of block
0
1557-
1558QCompleter::ModelSorting QCompleter::modelSorting() const-
1559{-
1560 Q_D(const QCompleter);-
1561 return d->sorting;
never executed: return d->sorting;
0
1562}-
1563-
1564/*!-
1565 \property QCompleter::completionColumn-
1566 \brief the column in the model in which completions are searched for.-
1567-
1568 If the popup() is a QListView, it is automatically setup to display-
1569 this column.-
1570-
1571 By default, the match column is 0.-
1572-
1573 \sa completionRole, caseSensitivity-
1574*/-
1575void QCompleter::setCompletionColumn(int column)-
1576{-
1577 Q_D(QCompleter);-
1578 if (d->column == column)
d->column == columnDescription
TRUEnever evaluated
FALSEnever evaluated
0
1579 return;
never executed: return;
0
1580#ifndef QT_NO_LISTVIEW-
1581 if (QListView *listView = qobject_cast<QListView *>(d->popup))
QListView *lis...w *>(d->popup)Description
TRUEnever evaluated
FALSEnever evaluated
0
1582 listView->setModelColumn(column);
never executed: listView->setModelColumn(column);
0
1583#endif-
1584 d->column = column;-
1585 d->proxy->invalidate();-
1586}
never executed: end of block
0
1587-
1588int QCompleter::completionColumn() const-
1589{-
1590 Q_D(const QCompleter);-
1591 return d->column;
never executed: return d->column;
0
1592}-
1593-
1594/*!-
1595 \property QCompleter::completionRole-
1596 \brief the item role to be used to query the contents of items for matching.-
1597-
1598 The default role is Qt::EditRole.-
1599-
1600 \sa completionColumn, caseSensitivity-
1601*/-
1602void QCompleter::setCompletionRole(int role)-
1603{-
1604 Q_D(QCompleter);-
1605 if (d->role == role)
d->role == roleDescription
TRUEnever evaluated
FALSEnever evaluated
0
1606 return;
never executed: return;
0
1607 d->role = role;-
1608 d->proxy->invalidate();-
1609}
never executed: end of block
0
1610-
1611int QCompleter::completionRole() const-
1612{-
1613 Q_D(const QCompleter);-
1614 return d->role;
never executed: return d->role;
0
1615}-
1616-
1617/*!-
1618 \property QCompleter::wrapAround-
1619 \brief the completions wrap around when navigating through items-
1620 \since 4.3-
1621-
1622 The default is true.-
1623*/-
1624void QCompleter::setWrapAround(bool wrap)-
1625{-
1626 Q_D(QCompleter);-
1627 if (d->wrap == wrap)
d->wrap == wrapDescription
TRUEnever evaluated
FALSEnever evaluated
0
1628 return;
never executed: return;
0
1629 d->wrap = wrap;-
1630}
never executed: end of block
0
1631-
1632bool QCompleter::wrapAround() const-
1633{-
1634 Q_D(const QCompleter);-
1635 return d->wrap;
never executed: return d->wrap;
0
1636}-
1637-
1638/*!-
1639 \property QCompleter::maxVisibleItems-
1640 \brief the maximum allowed size on screen of the completer, measured in items-
1641 \since 4.6-
1642-
1643 By default, this property has a value of 7.-
1644*/-
1645int QCompleter::maxVisibleItems() const-
1646{-
1647 Q_D(const QCompleter);-
1648 return d->maxVisibleItems;
never executed: return d->maxVisibleItems;
0
1649}-
1650-
1651void QCompleter::setMaxVisibleItems(int maxItems)-
1652{-
1653 Q_D(QCompleter);-
1654 if (Q_UNLIKELY(maxItems < 0)) {
__builtin_expe...s < 0), false)Description
TRUEnever evaluated
FALSEnever evaluated
0
1655 qWarning("QCompleter::setMaxVisibleItems: "-
1656 "Invalid max visible items (%d) must be >= 0", maxItems);-
1657 return;
never executed: return;
0
1658 }-
1659 d->maxVisibleItems = maxItems;-
1660}
never executed: end of block
0
1661-
1662/*!-
1663 \property QCompleter::caseSensitivity-
1664 \brief the case sensitivity of the matching-
1665-
1666 The default is Qt::CaseSensitive.-
1667-
1668 \sa completionColumn, completionRole, modelSorting-
1669*/-
1670void QCompleter::setCaseSensitivity(Qt::CaseSensitivity cs)-
1671{-
1672 Q_D(QCompleter);-
1673 if (d->cs == cs)
d->cs == csDescription
TRUEnever evaluated
FALSEnever evaluated
0
1674 return;
never executed: return;
0
1675 d->cs = cs;-
1676 d->proxy->createEngine();-
1677 d->proxy->invalidate();-
1678}
never executed: end of block
0
1679-
1680Qt::CaseSensitivity QCompleter::caseSensitivity() const-
1681{-
1682 Q_D(const QCompleter);-
1683 return d->cs;
never executed: return d->cs;
0
1684}-
1685-
1686/*!-
1687 \property QCompleter::completionPrefix-
1688 \brief the completion prefix used to provide completions.-
1689-
1690 The completionModel() is updated to reflect the list of possible-
1691 matches for \a prefix.-
1692*/-
1693void QCompleter::setCompletionPrefix(const QString &prefix)-
1694{-
1695 Q_D(QCompleter);-
1696 d->prefix = prefix;-
1697 d->proxy->filter(splitPath(prefix));-
1698}
never executed: end of block
0
1699-
1700QString QCompleter::completionPrefix() const-
1701{-
1702 Q_D(const QCompleter);-
1703 return d->prefix;
never executed: return d->prefix;
0
1704}-
1705-
1706/*!-
1707 Returns the model index of the current completion in the completionModel().-
1708-
1709 \sa setCurrentRow(), currentCompletion(), model()-
1710*/-
1711QModelIndex QCompleter::currentIndex() const-
1712{-
1713 Q_D(const QCompleter);-
1714 return d->proxy->currentIndex(false);
never executed: return d->proxy->currentIndex(false);
0
1715}-
1716-
1717/*!-
1718 Returns the current completion string. This includes the \l completionPrefix.-
1719 When used alongside setCurrentRow(), it can be used to iterate through-
1720 all the matches.-
1721-
1722 \sa setCurrentRow(), currentIndex()-
1723*/-
1724QString QCompleter::currentCompletion() const-
1725{-
1726 Q_D(const QCompleter);-
1727 return pathFromIndex(d->proxy->currentIndex(true));
never executed: return pathFromIndex(d->proxy->currentIndex(true));
0
1728}-
1729-
1730/*!-
1731 Returns the completion model. The completion model is a read-only list model-
1732 that contains all the possible matches for the current completion prefix.-
1733 The completion model is auto-updated to reflect the current completions.-
1734-
1735 \note The return value of this function is defined to be an QAbstractItemModel-
1736 purely for generality. This actual kind of model returned is an instance of an-
1737 QAbstractProxyModel subclass.-
1738-
1739 \sa completionPrefix, model()-
1740*/-
1741QAbstractItemModel *QCompleter::completionModel() const-
1742{-
1743 Q_D(const QCompleter);-
1744 return d->proxy;
never executed: return d->proxy;
0
1745}-
1746-
1747/*!-
1748 Returns the path for the given \a index. The completer object uses this to-
1749 obtain the completion text from the underlying model.-
1750-
1751 The default implementation returns the \l{Qt::EditRole}{edit role} of the-
1752 item for list models. It returns the absolute file path if the model is a-
1753 QFileSystemModel.-
1754-
1755 \sa splitPath()-
1756*/-
1757-
1758QString QCompleter::pathFromIndex(const QModelIndex& index) const-
1759{-
1760 Q_D(const QCompleter);-
1761 if (!index.isValid())
!index.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1762 return QString();
never executed: return QString();
0
1763-
1764 QAbstractItemModel *sourceModel = d->proxy->sourceModel();-
1765 if (!sourceModel)
!sourceModelDescription
TRUEnever evaluated
FALSEnever evaluated
0
1766 return QString();
never executed: return QString();
0
1767 bool isDirModel = false;-
1768 bool isFsModel = false;-
1769#ifndef QT_NO_DIRMODEL-
1770 isDirModel = qobject_cast<QDirModel *>(d->proxy->sourceModel()) != 0;-
1771#endif-
1772#ifndef QT_NO_FILESYSTEMMODEL-
1773 isFsModel = qobject_cast<QFileSystemModel *>(d->proxy->sourceModel()) != 0;-
1774#endif-
1775 if (!isDirModel && !isFsModel)
!isDirModelDescription
TRUEnever evaluated
FALSEnever evaluated
!isFsModelDescription
TRUEnever evaluated
FALSEnever evaluated
0
1776 return sourceModel->data(index, d->role).toString();
never executed: return sourceModel->data(index, d->role).toString();
0
1777-
1778 QModelIndex idx = index;-
1779 QStringList list;-
1780 do {-
1781 QString t;-
1782 if (isDirModel)
isDirModelDescription
TRUEnever evaluated
FALSEnever evaluated
0
1783 t = sourceModel->data(idx, Qt::EditRole).toString();
never executed: t = sourceModel->data(idx, Qt::EditRole).toString();
0
1784#ifndef QT_NO_FILESYSTEMMODEL-
1785 else-
1786 t = sourceModel->data(idx, QFileSystemModel::FileNameRole).toString();
never executed: t = sourceModel->data(idx, QFileSystemModel::FileNameRole).toString();
0
1787#endif-
1788 list.prepend(t);-
1789 QModelIndex parent = idx.parent();-
1790 idx = parent.sibling(parent.row(), index.column());-
1791 } while (idx.isValid());
never executed: end of block
idx.isValid()Description
TRUEnever evaluated
FALSEnever evaluated
0
1792-
1793#if !defined(Q_OS_WIN) || defined(Q_OS_WINCE)-
1794 if (list.count() == 1) // only the separator or some other text
list.count() == 1Description
TRUEnever evaluated
FALSEnever evaluated
0
1795 return list[0];
never executed: return list[0];
0
1796 list[0].clear() ; // the join below will provide the separator-
1797#endif-
1798-
1799 return list.join(QDir::separator());
never executed: return list.join(QDir::separator());
0
1800}-
1801-
1802/*!-
1803 Splits the given \a path into strings that are used to match at each level-
1804 in the model().-
1805-
1806 The default implementation of splitPath() splits a file system path based on-
1807 QDir::separator() when the sourceModel() is a QFileSystemModel.-
1808-
1809 When used with list models, the first item in the returned list is used for-
1810 matching.-
1811-
1812 \sa pathFromIndex(), {Handling Tree Models}-
1813*/-
1814QStringList QCompleter::splitPath(const QString& path) const-
1815{-
1816 bool isDirModel = false;-
1817 bool isFsModel = false;-
1818#ifndef QT_NO_DIRMODEL-
1819 Q_D(const QCompleter);-
1820 isDirModel = qobject_cast<QDirModel *>(d->proxy->sourceModel()) != 0;-
1821#endif-
1822#ifndef QT_NO_FILESYSTEMMODEL-
1823#ifdef QT_NO_DIRMODEL-
1824 Q_D(const QCompleter);-
1825#endif-
1826 isFsModel = qobject_cast<QFileSystemModel *>(d->proxy->sourceModel()) != 0;-
1827#endif-
1828-
1829 if ((!isDirModel && !isFsModel) || path.isEmpty())
!isDirModelDescription
TRUEnever evaluated
FALSEnever evaluated
!isFsModelDescription
TRUEnever evaluated
FALSEnever evaluated
path.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
1830 return QStringList(completionPrefix());
never executed: return QStringList(completionPrefix());
0
1831-
1832 QString pathCopy = QDir::toNativeSeparators(path);-
1833#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)-
1834 if (pathCopy == QLatin1String("\\") || pathCopy == QLatin1String("\\\\"))-
1835 return QStringList(pathCopy);-
1836 const bool startsWithDoubleSlash = pathCopy.startsWith(QLatin1String("\\\\"));-
1837 if (startsWithDoubleSlash)-
1838 pathCopy = pathCopy.mid(2);-
1839#endif-
1840-
1841 const QChar sep = QDir::separator();-
1842 QStringList parts = pathCopy.split(sep);-
1843-
1844#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)-
1845 if (startsWithDoubleSlash)-
1846 parts[0].prepend(QLatin1String("\\\\"));-
1847#else-
1848 if (pathCopy[0] == sep) // readd the "/" at the beginning as the split removed it
pathCopy[0] == sepDescription
TRUEnever evaluated
FALSEnever evaluated
0
1849 parts[0] = QLatin1Char('/');
never executed: parts[0] = QLatin1Char('/');
0
1850#endif-
1851-
1852 return parts;
never executed: return parts;
0
1853}-
1854-
1855/*!-
1856 \fn void QCompleter::activated(const QModelIndex& index)-
1857-
1858 This signal is sent when an item in the popup() is activated by the user.-
1859 (by clicking or pressing return). The item's \a index in the completionModel()-
1860 is given.-
1861-
1862*/-
1863-
1864/*!-
1865 \fn void QCompleter::activated(const QString &text)-
1866-
1867 This signal is sent when an item in the popup() is activated by the user (by-
1868 clicking or pressing return). The item's \a text is given.-
1869-
1870*/-
1871-
1872/*!-
1873 \fn void QCompleter::highlighted(const QModelIndex& index)-
1874-
1875 This signal is sent when an item in the popup() is highlighted by-
1876 the user. It is also sent if complete() is called with the completionMode()-
1877 set to QCompleter::InlineCompletion. The item's \a index in the completionModel()-
1878 is given.-
1879*/-
1880-
1881/*!-
1882 \fn void QCompleter::highlighted(const QString &text)-
1883-
1884 This signal is sent when an item in the popup() is highlighted by-
1885 the user. It is also sent if complete() is called with the completionMode()-
1886 set to QCompleter::InlineCompletion. The item's \a text is given.-
1887*/-
1888-
1889QT_END_NAMESPACE-
1890-
1891#include "moc_qcompleter.cpp"-
1892-
1893#include "moc_qcompleter_p.cpp"-
1894-
1895#endif // QT_NO_COMPLETER-
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