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qquickpositioners_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
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11** accordance with the commercial license agreement provided with the-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKPOSITIONERS_P_H-
41#define QQUICKPOSITIONERS_P_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include <QtQuick/private/qtquickglobal_p.h>-
55-
56QT_REQUIRE_CONFIG(quick_positioners);-
57-
58#include "qquickimplicitsizeitem_p.h"-
59#include "qquickitemviewtransition_p.h"-
60-
61#include <private/qpodvector_p.h>-
62-
63#include <QtCore/qobject.h>-
64#include <QtCore/qstring.h>-
65-
66QT_BEGIN_NAMESPACE-
67-
68class QQuickBasePositionerPrivate;-
69-
70class QQuickPositionerAttached : public QObject-
71{-
72 Q_OBJECT-
73-
74public:-
75 QQuickPositionerAttached(QObject *parent);-
76-
77 Q_PROPERTY(int index READ index NOTIFY indexChanged)-
78 Q_PROPERTY(bool isFirstItem READ isFirstItem NOTIFY isFirstItemChanged)-
79 Q_PROPERTY(bool isLastItem READ isLastItem NOTIFY isLastItemChanged)-
80-
81 int index() const { return m_index; }
executed 36 times by 1 test: return m_index;
Executed by:
  • tst_qquickpositioners
36
82 void setIndex(int index);-
83-
84 bool isFirstItem() const { return m_isFirstItem; }
executed 32 times by 1 test: return m_isFirstItem;
Executed by:
  • tst_qquickpositioners
32
85 void setIsFirstItem(bool isFirstItem);-
86-
87 bool isLastItem() const { return m_isLastItem; }
executed 62 times by 1 test: return m_isLastItem;
Executed by:
  • tst_qquickpositioners
62
88 void setIsLastItem(bool isLastItem);-
89-
90Q_SIGNALS:-
91 void indexChanged();-
92 void isFirstItemChanged();-
93 void isLastItemChanged();-
94-
95private:-
96 int m_index;-
97 bool m_isFirstItem;-
98 bool m_isLastItem;-
99};-
100-
101class Q_QUICK_PRIVATE_EXPORT QQuickBasePositioner : public QQuickImplicitSizeItem-
102{-
103 Q_OBJECT-
104-
105 Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)-
106 Q_PROPERTY(QQuickTransition *populate READ populate WRITE setPopulate NOTIFY populateChanged)-
107 Q_PROPERTY(QQuickTransition *move READ move WRITE setMove NOTIFY moveChanged)-
108 Q_PROPERTY(QQuickTransition *add READ add WRITE setAdd NOTIFY addChanged)-
109-
110 Q_PROPERTY(qreal padding READ padding WRITE setPadding RESET resetPadding NOTIFY paddingChanged REVISION 6)-
111 Q_PROPERTY(qreal topPadding READ topPadding WRITE setTopPadding RESET resetTopPadding NOTIFY topPaddingChanged REVISION 6)-
112 Q_PROPERTY(qreal leftPadding READ leftPadding WRITE setLeftPadding RESET resetLeftPadding NOTIFY leftPaddingChanged REVISION 6)-
113 Q_PROPERTY(qreal rightPadding READ rightPadding WRITE setRightPadding RESET resetRightPadding NOTIFY rightPaddingChanged REVISION 6)-
114 Q_PROPERTY(qreal bottomPadding READ bottomPadding WRITE setBottomPadding RESET resetBottomPadding NOTIFY bottomPaddingChanged REVISION 6)-
115public:-
116 enum PositionerType { None = 0x0, Horizontal = 0x1, Vertical = 0x2, Both = 0x3 };-
117-
118 QQuickBasePositioner(PositionerType, QQuickItem *parent);-
119 ~QQuickBasePositioner();-
120-
121 qreal spacing() const;-
122 void setSpacing(qreal);-
123-
124 QQuickTransition *populate() const;-
125 void setPopulate(QQuickTransition *);-
126-
127 QQuickTransition *move() const;-
128 void setMove(QQuickTransition *);-
129-
130 QQuickTransition *add() const;-
131 void setAdd(QQuickTransition *);-
132-
133 static QQuickPositionerAttached *qmlAttachedProperties(QObject *obj);-
134-
135 void updateAttachedProperties(QQuickPositionerAttached *specificProperty = nullptr, QQuickItem *specificPropertyOwner = nullptr) const;-
136-
137 qreal padding() const;-
138 void setPadding(qreal padding);-
139 void resetPadding();-
140-
141 qreal topPadding() const;-
142 void setTopPadding(qreal padding);-
143 void resetTopPadding();-
144-
145 qreal leftPadding() const;-
146 void setLeftPadding(qreal padding);-
147 void resetLeftPadding();-
148-
149 qreal rightPadding() const;-
150 void setRightPadding(qreal padding);-
151 void resetRightPadding();-
152-
153 qreal bottomPadding() const;-
154 void setBottomPadding(qreal padding);-
155 void resetBottomPadding();-
156-
157 Q_REVISION(9) Q_INVOKABLE void forceLayout();-
158-
159protected:-
160 QQuickBasePositioner(QQuickBasePositionerPrivate &dd, PositionerType at, QQuickItem *parent);-
161 void componentComplete() override;-
162 void itemChange(ItemChange, const ItemChangeData &) override;-
163-
164 void updatePolish() override;-
165-
166Q_SIGNALS:-
167 void spacingChanged();-
168 void populateChanged();-
169 void moveChanged();-
170 void addChanged();-
171 Q_REVISION(6) void paddingChanged();-
172 Q_REVISION(6) void topPaddingChanged();-
173 Q_REVISION(6) void leftPaddingChanged();-
174 Q_REVISION(6) void rightPaddingChanged();-
175 Q_REVISION(6) void bottomPaddingChanged();-
176 Q_REVISION(9) void positioningComplete();-
177-
178protected Q_SLOTS:-
179 void prePositioning();-
180-
181protected:-
182 virtual void doPositioning(QSizeF *contentSize)=0;-
183 virtual void reportConflictingAnchors()=0;-
184-
185 class PositionedItem-
186 {-
187 public :-
188 PositionedItem(QQuickItem *i);-
189 ~PositionedItem();-
190 bool operator==(const PositionedItem &other) const { return other.item == item; }
executed 203823 times by 10 tests: return other.item == item;
Executed by:
  • tst_examples
  • tst_qqmlqt
  • tst_qquickgridview
  • tst_qquickitem2
  • tst_qquicklayouts
  • tst_qquicklistview
  • tst_qquickpositioners
  • tst_qquickrepeater
  • tst_qquickstates
  • tst_qquicktextinput
203823
191-
192 qreal itemX() const;-
193 qreal itemY() const;-
194-
195 void moveTo(const QPointF &pos);-
196-
197 void transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget);-
198 bool prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds);-
199 void startTransition(QQuickItemViewTransitioner *transitioner);-
200-
201 void updatePadding(qreal lp, qreal tp, qreal rp, qreal bp);-
202-
203 QQuickItem *item;-
204 QQuickItemViewTransitionableItem *transitionableItem;-
205 int index;-
206 bool isNew;-
207 bool isVisible;-
208-
209 qreal topPadding;-
210 qreal leftPadding;-
211 qreal rightPadding;-
212 qreal bottomPadding;-
213 };-
214-
215 QPODVector<PositionedItem,8> positionedItems;-
216 QPODVector<PositionedItem,8> unpositionedItems;//Still 'in' the positioner, just not positioned-
217-
218 void positionItem(qreal x, qreal y, PositionedItem *target);-
219 void positionItemX(qreal, PositionedItem *target);-
220 void positionItemY(qreal, PositionedItem *target);-
221-
222 void removePositionedItem(QPODVector<PositionedItem,8> *items, int index);-
223 void clearPositionedItems(QPODVector<PositionedItem,8> *items);-
224-
225private:-
226 Q_DISABLE_COPY(QQuickBasePositioner)-
227 Q_DECLARE_PRIVATE(QQuickBasePositioner)
executed 205579 times by 23 tests: return reinterpret_cast<QQuickBasePositionerPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_flickableinterop
  • tst_qqmlqt
  • tst_qquickanchors
  • tst_qquickanimations
  • tst_qquickdraghandler
  • tst_qquickflickable
  • tst_qquickfocusscope
  • tst_qquickgridview
  • tst_qquickitem2
  • tst_qquickitemlayer
  • tst_qquicklayouts
  • tst_qquicklistview
  • tst_qquickmultipointtoucharea
  • tst_qquickpathview
  • tst_qquickpositioners
  • tst_qquickrepeater
  • tst_qquickstates
  • tst_qquicktext
  • tst_qquicktextedit
  • tst_qquicktextinput
  • tst_qquickvisualdatamodel
  • tst_scenegraph
executed 967968 times by 23 tests: return reinterpret_cast<const QQuickBasePositionerPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_flickableinterop
  • tst_qqmlqt
  • tst_qquickanchors
  • tst_qquickanimations
  • tst_qquickdraghandler
  • tst_qquickflickable
  • tst_qquickfocusscope
  • tst_qquickgridview
  • tst_qquickitem2
  • tst_qquickitemlayer
  • tst_qquicklayouts
  • tst_qquicklistview
  • tst_qquickmultipointtoucharea
  • tst_qquickpathview
  • tst_qquickpositioners
  • tst_qquickrepeater
  • tst_qquickstates
  • tst_qquicktext
  • tst_qquicktextedit
  • tst_qquicktextinput
  • tst_qquickvisualdatamodel
  • tst_scenegraph
205579-967968
228};-
229-
230class Q_AUTOTEST_EXPORT QQuickColumn : public QQuickBasePositioner-
231{-
232 Q_OBJECT-
233public:-
234 QQuickColumn(QQuickItem *parent=nullptr);-
235-
236protected:-
237 void doPositioning(QSizeF *contentSize) override;-
238 void reportConflictingAnchors() override;-
239private:-
240 Q_DISABLE_COPY(QQuickColumn)-
241};-
242-
243class QQuickRowPrivate;-
244class Q_AUTOTEST_EXPORT QQuickRow: public QQuickBasePositioner-
245{-
246 Q_OBJECT-
247 Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged)-
248 Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged)-
249public:-
250 QQuickRow(QQuickItem *parent=nullptr);-
251-
252 Qt::LayoutDirection layoutDirection() const;-
253 void setLayoutDirection (Qt::LayoutDirection);-
254 Qt::LayoutDirection effectiveLayoutDirection() const;-
255-
256Q_SIGNALS:-
257 void layoutDirectionChanged();-
258 void effectiveLayoutDirectionChanged();-
259-
260protected:-
261 void doPositioning(QSizeF *contentSize) override;-
262 void reportConflictingAnchors() override;-
263private:-
264 Q_DISABLE_COPY(QQuickRow)-
265 Q_DECLARE_PRIVATE(QQuickRow)
never executed: return reinterpret_cast<QQuickRowPrivate *>(qGetPtrHelper(d_ptr));
never executed: return reinterpret_cast<const QQuickRowPrivate *>(qGetPtrHelper(d_ptr));
0
266};-
267-
268class QQuickGridPrivate;-
269class Q_AUTOTEST_EXPORT QQuickGrid : public QQuickBasePositioner-
270{-
271 Q_OBJECT-
272 Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged)-
273 Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)-
274 Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged RESET resetRowSpacing)-
275 Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged RESET resetColumnSpacing)-
276 Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)-
277 Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged)-
278 Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged)-
279 Q_PROPERTY(HAlignment horizontalItemAlignment READ hItemAlign WRITE setHItemAlign NOTIFY horizontalAlignmentChanged REVISION 1)-
280 Q_PROPERTY(HAlignment effectiveHorizontalItemAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged REVISION 1)-
281 Q_PROPERTY(VAlignment verticalItemAlignment READ vItemAlign WRITE setVItemAlign NOTIFY verticalAlignmentChanged REVISION 1)-
282-
283public:-
284 QQuickGrid(QQuickItem *parent=nullptr);-
285-
286 int rows() const { return m_rows; }
executed 12 times by 2 tests: return m_rows;
Executed by:
  • tst_examples
  • tst_qquickpositioners
12
287 void setRows(const int rows);-
288-
289 int columns() const { return m_columns; }
executed 12 times by 2 tests: return m_columns;
Executed by:
  • tst_examples
  • tst_qquickpositioners
12
290 void setColumns(const int columns);-
291-
292 qreal rowSpacing() const { return m_rowSpacing; }
executed 4 times by 1 test: return m_rowSpacing;
Executed by:
  • tst_examples
4
293 void setRowSpacing(qreal);-
294 void resetRowSpacing() { m_useRowSpacing = false; }
never executed: end of block
0
295-
296 qreal columnSpacing() const { return m_columnSpacing; }
executed 4 times by 1 test: return m_columnSpacing;
Executed by:
  • tst_examples
4
297 void setColumnSpacing(qreal);-
298 void resetColumnSpacing() { m_useColumnSpacing = false; }
never executed: end of block
0
299-
300 enum Flow { LeftToRight, TopToBottom };-
301 Q_ENUM(Flow)-
302 Flow flow() const;-
303 void setFlow(Flow);-
304-
305 Qt::LayoutDirection layoutDirection() const;-
306 void setLayoutDirection (Qt::LayoutDirection);-
307 Qt::LayoutDirection effectiveLayoutDirection() const;-
308-
309 enum HAlignment { AlignLeft = Qt::AlignLeft,-
310 AlignRight = Qt::AlignRight,-
311 AlignHCenter = Qt::AlignHCenter};-
312 Q_ENUM(HAlignment)-
313 enum VAlignment { AlignTop = Qt::AlignTop,-
314 AlignBottom = Qt::AlignBottom,-
315 AlignVCenter = Qt::AlignVCenter };-
316 Q_ENUM(VAlignment)-
317-
318 HAlignment hItemAlign() const;-
319 void setHItemAlign(HAlignment align);-
320 HAlignment effectiveHAlign() const;-
321-
322 VAlignment vItemAlign() const;-
323 void setVItemAlign(VAlignment align);-
324-
325Q_SIGNALS:-
326 void rowsChanged();-
327 void columnsChanged();-
328 void flowChanged();-
329 void layoutDirectionChanged();-
330 void effectiveLayoutDirectionChanged();-
331 void rowSpacingChanged();-
332 void columnSpacingChanged();-
333 Q_REVISION(1) void horizontalAlignmentChanged(HAlignment alignment);-
334 Q_REVISION(1) void effectiveHorizontalAlignmentChanged(HAlignment alignment);-
335 Q_REVISION(1) void verticalAlignmentChanged(VAlignment alignment);-
336-
337protected:-
338 void doPositioning(QSizeF *contentSize) override;-
339 void reportConflictingAnchors() override;-
340-
341private:-
342 int m_rows;-
343 int m_columns;-
344 qreal m_rowSpacing;-
345 qreal m_columnSpacing;-
346 bool m_useRowSpacing;-
347 bool m_useColumnSpacing;-
348 Flow m_flow;-
349 HAlignment m_hItemAlign;-
350 VAlignment m_vItemAlign;-
351 Q_DISABLE_COPY(QQuickGrid)-
352 Q_DECLARE_PRIVATE(QQuickGrid)
never executed: return reinterpret_cast<QQuickGridPrivate *>(qGetPtrHelper(d_ptr));
never executed: return reinterpret_cast<const QQuickGridPrivate *>(qGetPtrHelper(d_ptr));
0
353};-
354-
355class QQuickFlowPrivate;-
356class Q_AUTOTEST_EXPORT QQuickFlow: public QQuickBasePositioner-
357{-
358 Q_OBJECT-
359 Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)-
360 Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged)-
361 Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged)-
362public:-
363 QQuickFlow(QQuickItem *parent=nullptr);-
364-
365 enum Flow { LeftToRight, TopToBottom };-
366 Q_ENUM(Flow)-
367 Flow flow() const;-
368 void setFlow(Flow);-
369-
370 Qt::LayoutDirection layoutDirection() const;-
371 void setLayoutDirection (Qt::LayoutDirection);-
372 Qt::LayoutDirection effectiveLayoutDirection() const;-
373-
374Q_SIGNALS:-
375 void flowChanged();-
376 void layoutDirectionChanged();-
377 void effectiveLayoutDirectionChanged();-
378-
379protected:-
380 void doPositioning(QSizeF *contentSize) override;-
381 void reportConflictingAnchors() override;-
382protected:-
383 QQuickFlow(QQuickFlowPrivate &dd, QQuickItem *parent);-
384private:-
385 Q_DISABLE_COPY(QQuickFlow)-
386 Q_DECLARE_PRIVATE(QQuickFlow)
executed 1580 times by 3 tests: return reinterpret_cast<QQuickFlowPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_qquickitem2
  • tst_qquickpositioners
executed 12 times by 1 test: return reinterpret_cast<const QQuickFlowPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_qquickpositioners
12-1580
387};-
388-
389-
390QT_END_NAMESPACE-
391-
392QML_DECLARE_TYPE(QQuickColumn)-
393QML_DECLARE_TYPE(QQuickRow)-
394QML_DECLARE_TYPE(QQuickGrid)-
395QML_DECLARE_TYPE(QQuickFlow)-
396-
397QML_DECLARE_TYPE(QQuickBasePositioner)-
398QML_DECLARE_TYPEINFO(QQuickBasePositioner, QML_HAS_ATTACHED_PROPERTIES)-
399-
400#endif // QQUICKPOSITIONERS_P_H-
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