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qquickitemview_p_p.h

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1-
2static_assert(bool(1 == 1), "Required feature " "quick_itemview" " for file " __FILE__ " not available.");-
3-
4-
5-
6-
7-
8-
9-
10class __attribute__((visibility("default"))) FxViewItem : public QQuickItemViewFxItem-
11{-
12public:-
13 FxViewItem(QQuickItem *, QQuickItemView *, bool own, QQuickItemViewAttached *attached);-
14-
15 QQuickItemView *view;-
16 QQuickItemViewAttached *attached;-
17};-
18-
19-
20class QQuickItemViewChangeSet-
21{-
22public:-
23 QQuickItemViewChangeSet();-
24-
25 bool hasPendingChanges() const;-
26 void prepare(int currentIndex, int count);-
27 void reset();-
28-
29 void applyChanges(const QQmlChangeSet &changeSet);-
30-
31 void applyBufferedChanges(const QQuickItemViewChangeSet &other);-
32-
33 int itemCount;-
34 int newCurrentIndex;-
35 QQmlChangeSet pendingChanges;-
36 QHash<QQmlChangeSet::MoveKey, FxViewItem *> removedItems;-
37-
38 bool active : 1;-
39 bool currentChanged : 1;-
40 bool currentRemoved : 1;-
41};-
42-
43-
44class __attribute__((visibility("default"))) QQuickItemViewPrivate : public QQuickFlickablePrivate, public QQuickItemViewTransitionChangeListener, public QAnimationJobChangeListener-
45{-
46 inline QQuickItemView* q_func() { return static_cast<QQuickItemView *>(q_ptr); } inline const QQuickItemView* q_func() const { return static_cast<const QQuickItemView *>(q_ptr); } friend class QQuickItemView;-
47public:-
48 QQuickItemViewPrivate();-
49 ~QQuickItemViewPrivate();-
50-
51 static inline QQuickItemViewPrivate *get(QQuickItemView *o) { return
executed 88082 times by 11 tests: return o->d_func();
Executed by:
  • tst_examples
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  • tst_qqmltypeloader
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  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
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  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
 o->d_func();
executed 88082 times by 11 tests: return o->d_func();
Executed by:
  • tst_examples
  • tst_qqmllistmodel
  • tst_qqmltypeloader
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  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
 }		88082
52-
53 struct ChangeResult {-
54 QQmlNullableValue<qreal> visiblePos;-
55 bool changedFirstItem;-
56 qreal sizeChangesBeforeVisiblePos;-
57 qreal sizeChangesAfterVisiblePos;-
58 int countChangeBeforeVisible;-
59 int countChangeAfterVisibleItems;-
60-
61 ChangeResult()-
62 : visiblePos(0), changedFirstItem(false),-
63 sizeChangesBeforeVisiblePos(0), sizeChangesAfterVisiblePos(0),-
64 countChangeBeforeVisible(0), countChangeAfterVisibleItems(0) {}
executed 14770 times by 8 tests: end of block
Executed by:
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14770
65-
66 ChangeResult(const QQmlNullableValue<qreal> &p)-
67 : visiblePos(p), changedFirstItem(false),-
68 sizeChangesBeforeVisiblePos(0), sizeChangesAfterVisiblePos(0),-
69 countChangeBeforeVisible(0), countChangeAfterVisibleItems(0) {}
executed 7662 times by 4 tests: end of block
Executed by:
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7662
70-
71 ChangeResult &operator+=(const ChangeResult &other) {-
72 if (&other == this
&other == thisDescription
TRUEnever evaluated
FALSEevaluated 6354 times by 4 tests
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)		0-6354
73 return
never executed: return *this;
 *this;
never executed: return *this;
0
74 changedFirstItem &= other.changedFirstItem;-
75 sizeChangesBeforeVisiblePos += other.sizeChangesBeforeVisiblePos;-
76 sizeChangesAfterVisiblePos += other.sizeChangesAfterVisiblePos;-
77 countChangeBeforeVisible += other.countChangeBeforeVisible;-
78 countChangeAfterVisibleItems += other.countChangeAfterVisibleItems;-
79 return
executed 6354 times by 4 tests: return *this;
Executed by:
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 *this;
executed 6354 times by 4 tests: return *this;
Executed by:
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6354
80 }-
81-
82 void reset() {-
83 changedFirstItem = false;-
84 sizeChangesBeforeVisiblePos = 0.0;-
85 sizeChangesAfterVisiblePos = 0.0;-
86 countChangeBeforeVisible = 0;-
87 countChangeAfterVisibleItems = 0;-
88 }
executed 8894 times by 3 tests: end of block
Executed by:
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8894
89 };-
90-
91 enum BufferMode { NoBuffer = 0x00, BufferBefore = 0x01, BufferAfter = 0x02 };-
92 enum MovementReason { Other, SetIndex, Mouse };-
93-
94 bool isValid() const;-
95 qreal position() const;-
96 qreal size() const;-
97 qreal startPosition() const;-
98 qreal endPosition() const;-
99 qreal contentStartOffset() const;-
100 int findLastVisibleIndex(int defaultValue = -1) const;-
101 FxViewItem *visibleItem(int modelIndex) const;-
102 FxViewItem *firstVisibleItem() const;-
103 int findLastIndexInView() const;-
104 int mapFromModel(int modelIndex) const;-
105-
106 virtual void init();-
107 virtual void clear();-
108 virtual void updateViewport();-
109-
110 void regenerate(bool orientationChanged=false);-
111 void layout();-
112 void animationFinished(QAbstractAnimationJob *) override;-
113 void refill();-
114 void refill(qreal from, qreal to);-
115 void mirrorChange() override;-
116-
117 FxViewItem *createItem(int modelIndex,QQmlIncubator::IncubationMode incubationMode = QQmlIncubator::AsynchronousIfNested);-
118 virtual bool releaseItem(FxViewItem *item);-
119-
120 QQuickItem *createHighlightItem() const;-
121 QQuickItem *createComponentItem(QQmlComponent *component, qreal zValue, bool createDefault = false) const;-
122-
123 void updateCurrent(int modelIndex);-
124 void updateTrackedItem();-
125 void updateUnrequestedIndexes();-
126 void updateUnrequestedPositions();-
127 void updateVisibleIndex();-
128 void positionViewAtIndex(int index, int mode);-
129-
130 qreal minExtentForAxis(const AxisData &axisData, bool forXAxis) const;-
131 qreal maxExtentForAxis(const AxisData &axisData, bool forXAxis) const;-
132 qreal calculatedMinExtent() const;-
133 qreal calculatedMaxExtent() const;-
134-
135 void applyPendingChanges();-
136 bool applyModelChanges(ChangeResult *insertionResult, ChangeResult *removalResult);-
137 bool applyRemovalChange(const QQmlChangeSet::Change &removal, ChangeResult *changeResult, int *removedCount);-
138 void removeItem(FxViewItem *item, const QQmlChangeSet::Change &removal, ChangeResult *removeResult);-
139 virtual void updateSizeChangesBeforeVisiblePos(FxViewItem *item, ChangeResult *removeResult);-
140 void repositionFirstItem(FxViewItem *prevVisibleItemsFirst, qreal prevVisibleItemsFirstPos,-
141 FxViewItem *prevFirstVisible, ChangeResult *insertionResult, ChangeResult *removalResult);-
142-
143 void createTransitioner();-
144 void prepareVisibleItemTransitions();-
145 void prepareRemoveTransitions(QHash<QQmlChangeSet::MoveKey, FxViewItem *> *removedItems);-
146 bool prepareNonVisibleItemTransition(FxViewItem *item, const QRectF &viewBounds);-
147 void viewItemTransitionFinished(QQuickItemViewTransitionableItem *item) override;-
148-
149 int findMoveKeyIndex(QQmlChangeSet::MoveKey key, const QVector<QQmlChangeSet::Change> &changes) const;-
150-
151 void checkVisible() const;-
152 void showVisibleItems() const;-
153-
154 void markExtentsDirty() {-
155 if (layoutOrientation() == Qt::Vertical
layoutOrientat...= Qt::VerticalDescription
TRUEevaluated 28216 times by 12 tests
Evaluated by:
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  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
FALSEevaluated 6528 times by 3 tests
Evaluated by:
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)		6528-28216
156 vData.markExtentsDirty();
executed 28216 times by 12 tests: vData.markExtentsDirty();
Executed by:
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  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
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  • tst_qquickvisualdatamodel
28216
157 else-
158 hData.markExtentsDirty();
executed 6528 times by 3 tests: hData.markExtentsDirty();
Executed by:
  • tst_examples
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6528
159 }-
160-
161 bool hasPendingChanges() const {-
162 return
executed 27099 times by 8 tests: return currentChanges.hasPendingChanges() || bufferedChanges.hasPendingChanges() ||runDelayedRemoveTransition;
Executed by:
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  • tst_qquickvisualdatamodel
 currentChanges.hasPendingChanges()
executed 27099 times by 8 tests: return currentChanges.hasPendingChanges() || bufferedChanges.hasPendingChanges() ||runDelayedRemoveTransition;
Executed by:
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  • tst_qquickvisualdatamodel
27099
163 || bufferedChanges.hasPendingChanges()
executed 27099 times by 8 tests: return currentChanges.hasPendingChanges() || bufferedChanges.hasPendingChanges() ||runDelayedRemoveTransition;
Executed by:
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27099
164 ||runDelayedRemoveTransition;
executed 27099 times by 8 tests: return currentChanges.hasPendingChanges() || bufferedChanges.hasPendingChanges() ||runDelayedRemoveTransition;
Executed by:
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27099
165 }-
166-
167 void refillOrLayout() {-
168 if (hasPendingChanges()
hasPendingChanges()Description
TRUEevaluated 31 times by 2 tests
Evaluated by:
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FALSEevaluated 16757 times by 5 tests
Evaluated by:
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  • tst_qquickgridview
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)		31-16757
169 layout();
executed 31 times by 2 tests: layout();
Executed by:
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31
170 else-
171 refill();
executed 16757 times by 5 tests: refill();
Executed by:
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16757
172 }-
173-
174 void forceLayoutPolish() {-
175 QQuickItemView * const q = q_func();-
176 forceLayout = true;-
177 q->polish();-
178 }
executed 7637 times by 11 tests: end of block
Executed by:
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  • tst_qquickanimations
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
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7637
179-
180 void releaseVisibleItems() {-
181-
182-
183 const QList<FxViewItem *> oldVisible = visibleItems;-
184 visibleItems.clear();-
185 for (FxViewItem *item : oldVisible)-
186 releaseItem(item);
executed 61007 times by 10 tests: releaseItem(item);
Executed by:
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61007
187 }
executed 11450 times by 12 tests: end of block
Executed by:
  • tst_examples
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  • tst_qqmllistmodel
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  • tst_qqmlvaluetypes
  • tst_qquickanimations
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  • tst_qquickimage
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  • tst_qquickmousearea
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11450
188-
189 QPointer<QQmlInstanceModel> model;-
190 QVariant modelVariant;-
191 int itemCount;-
192 int buffer;-
193 int bufferMode;-
194 int displayMarginBeginning;-
195 int displayMarginEnd;-
196 Qt::LayoutDirection layoutDirection;-
197 QQuickItemView::VerticalLayoutDirection verticalLayoutDirection;-
198-
199 MovementReason moveReason;-
200-
201 QList<FxViewItem *> visibleItems;-
202 int visibleIndex;-
203 int currentIndex;-
204 FxViewItem *currentItem;-
205 FxViewItem *trackedItem;-
206 QHash<QQuickItem*,int> unrequestedItems;-
207 int requestedIndex;-
208 QQuickItemViewChangeSet currentChanges;-
209 QQuickItemViewChangeSet bufferedChanges;-
210 QPauseAnimationJob bufferPause;-
211-
212 QQmlComponent *highlightComponent;-
213 FxViewItem *highlight;-
214 int highlightRange;-
215 qreal highlightRangeStart;-
216 qreal highlightRangeEnd;-
217 int highlightMoveDuration;-
218-
219 QQmlComponent *headerComponent;-
220 FxViewItem *header;-
221 QQmlComponent *footerComponent;-
222 FxViewItem *footer;-
223-
224 struct MovedItem {-
225 FxViewItem *item;-
226 QQmlChangeSet::MoveKey moveKey;-
227 MovedItem(FxViewItem *i, QQmlChangeSet::MoveKey k)-
228 : item(i), moveKey(k) {}
executed 90 times by 2 tests: end of block
Executed by:
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90
229 };-
230 QQuickItemViewTransitioner *transitioner;-
231 QList<FxViewItem *> releasePendingTransition;-
232-
233 mutable qreal minExtent;-
234 mutable qreal maxExtent;-
235-
236 bool ownModel : 1;-
237 bool wrap : 1;-
238 bool keyNavigationEnabled : 1;-
239 bool explicitKeyNavigationEnabled : 1;-
240 bool inLayout : 1;-
241 bool inViewportMoved : 1;-
242 bool forceLayout : 1;-
243 bool currentIndexCleared : 1;-
244 bool haveHighlightRange : 1;-
245 bool autoHighlight : 1;-
246 bool highlightRangeStartValid : 1;-
247 bool highlightRangeEndValid : 1;-
248 bool fillCacheBuffer : 1;-
249 bool inRequest : 1;-
250 bool runDelayedRemoveTransition : 1;-
251 bool delegateValidated : 1;-
252-
253protected:-
254 virtual Qt::Orientation layoutOrientation() const = 0;-
255 virtual bool isContentFlowReversed() const = 0;-
256-
257 virtual qreal positionAt(int index) const = 0;-
258 virtual qreal endPositionAt(int index) const = 0;-
259 virtual qreal originPosition() const = 0;-
260 virtual qreal lastPosition() const = 0;-
261-
262 virtual qreal headerSize() const = 0;-
263 virtual qreal footerSize() const = 0;-
264 virtual bool showHeaderForIndex(int index) const = 0;-
265 virtual bool showFooterForIndex(int index) const = 0;-
266 virtual void updateHeader() = 0;-
267 virtual void updateFooter() = 0;-
268 virtual bool hasStickyHeader() const { return
executed 130 times by 1 test: return false;
Executed by:
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 false;
executed 130 times by 1 test: return false;
Executed by:
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 }		130
269 virtual bool hasStickyFooter() const { return
executed 130 times by 1 test: return false;
Executed by:
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 false;
executed 130 times by 1 test: return false;
Executed by:
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 }		130
270-
271 virtual void createHighlight() = 0;-
272 virtual void updateHighlight() = 0;-
273 virtual void resetHighlightPosition() = 0;-
274 virtual bool movingFromHighlight() { return
executed 3523 times by 4 tests: return false;
Executed by:
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 false;
executed 3523 times by 4 tests: return false;
Executed by:
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 }		3523
275-
276 virtual void setPosition(qreal pos) = 0;-
277 virtual void fixupPosition() = 0;-
278-
279 virtual bool addVisibleItems(qreal fillFrom, qreal fillTo, qreal bufferFrom, qreal bufferTo, bool doBuffer) = 0;-
280 virtual bool removeNonVisibleItems(qreal bufferFrom, qreal bufferTo) = 0;-
281 virtual void visibleItemsChanged() {}-
282-
283 virtual FxViewItem *newViewItem(int index, QQuickItem *item) = 0;-
284 virtual void repositionItemAt(FxViewItem *item, int index, qreal sizeBuffer) = 0;-
285 virtual void repositionPackageItemAt(QQuickItem *item, int index) = 0;-
286 virtual void resetFirstItemPosition(qreal pos = 0.0) = 0;-
287 virtual void adjustFirstItem(qreal forwards, qreal backwards, int changeBeforeVisible) = 0;-
288-
289 virtual void layoutVisibleItems(int fromModelIndex = 0) = 0;-
290 virtual void changedVisibleIndex(int newIndex) = 0;-
291-
292 virtual bool applyInsertionChange(const QQmlChangeSet::Change &insert, ChangeResult *changeResult,-
293 QList<FxViewItem *> *newItems, QList<MovedItem> *movingIntoView) = 0;-
294-
295 virtual bool needsRefillForAddedOrRemovedIndex(int) const { return
executed 79 times by 1 test: return false;
Executed by:
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 false;
executed 79 times by 1 test: return false;
Executed by:
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 }		79
296 virtual void translateAndTransitionItemsAfter(int afterIndex, const ChangeResult &insertionResult, const ChangeResult &removalResult) = 0;-
297-
298 virtual void initializeViewItem(FxViewItem *) {}-
299 virtual void initializeCurrentItem() {}-
300 virtual void updateSectionCriteria() {}-
301 virtual void updateSections() {}-
302-
303 void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &) override;-
304};-
305-
306-
307-
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