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6 ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
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35 ****************************************************************************/
36
37 #include "qquickpopupitem_p_p.h"
38 #include "qquickapplicationwindow_p.h"
39 #include "qquickshortcutcontext_p_p.h"
40 #include "qquickpage_p_p.h"
41 #include "qquickcontentitem_p.h"
42 #include "qquickpopup_p_p.h"
43 #include "qquickdeferredexecute_p_p.h"
44
45 #if QT_CONFIG(shortcut)
46 # include <QtGui/private/qshortcutmap_p.h>
47 #endif
48 #include <QtGui/private/qguiapplication_p.h>
49
50 #if QT_CONFIG(accessibility)
51 #include <QtQuick/private/qquickaccessibleattached_p.h>
52 #endif
53
54 QT_BEGIN_NAMESPACE
55
56 class QQuickPopupItemPrivate : public QQuickPagePrivate
57 {
58 Q_DECLARE_PUBLIC(QQuickPopupItem)
59
60 public:
61 QQuickPopupItemPrivate(QQuickPopup *popup);
62
63 void implicitWidthChanged() override;
64 void implicitHeightChanged() override;
65
66 void resolveFont() override;
67 void resolvePalette() override;
68
69 QQuickItem *getContentItem() override;
70
71 void cancelContentItem() override;
72 void executeContentItem(bool complete = false) override;
73
74 void cancelBackground() override;
75 void executeBackground(bool complete = false) override;
76
77 int backId = 0;
78 int escapeId = 0;
79 QQuickPopup *popup = nullptr;
80 };
81
QQuickPopupItemPrivate(QQuickPopup * popup)82 QQuickPopupItemPrivate::QQuickPopupItemPrivate(QQuickPopup *popup)
83 : popup(popup)
84 {
85 isTabFence = true;
86 }
87
implicitWidthChanged()88 void QQuickPopupItemPrivate::implicitWidthChanged()
89 {
90 QQuickPagePrivate::implicitWidthChanged();
91 emit popup->implicitWidthChanged();
92 }
93
implicitHeightChanged()94 void QQuickPopupItemPrivate::implicitHeightChanged()
95 {
96 QQuickPagePrivate::implicitHeightChanged();
97 emit popup->implicitHeightChanged();
98 }
99
resolveFont()100 void QQuickPopupItemPrivate::resolveFont()
101 {
102 if (QQuickApplicationWindow *window = qobject_cast<QQuickApplicationWindow *>(popup->window()))
103 inheritFont(window->font());
104 else
105 inheritFont(QQuickTheme::font(QQuickTheme::System));
106 }
107
resolvePalette()108 void QQuickPopupItemPrivate::resolvePalette()
109 {
110 if (QQuickApplicationWindow *window = qobject_cast<QQuickApplicationWindow *>(popup->window()))
111 inheritPalette(window->palette());
112 else
113 inheritPalette(QQuickTheme::palette(QQuickTheme::System));
114 }
115
getContentItem()116 QQuickItem *QQuickPopupItemPrivate::getContentItem()
117 {
118 Q_Q(QQuickPopupItem);
119 if (QQuickItem *item = QQuickPagePrivate::getContentItem())
120 return item;
121
122 return new QQuickContentItem(popup, q);
123 }
124
contentItemName()125 static inline QString contentItemName() { return QStringLiteral("contentItem"); }
126
cancelContentItem()127 void QQuickPopupItemPrivate::cancelContentItem()
128 {
129 quickCancelDeferred(popup, contentItemName());
130 }
131
executeContentItem(bool complete)132 void QQuickPopupItemPrivate::executeContentItem(bool complete)
133 {
134 if (contentItem.wasExecuted())
135 return;
136
137 if (!contentItem || complete)
138 quickBeginDeferred(popup, contentItemName(), contentItem);
139 if (complete)
140 quickCompleteDeferred(popup, contentItemName(), contentItem);
141 }
142
backgroundName()143 static inline QString backgroundName() { return QStringLiteral("background"); }
144
cancelBackground()145 void QQuickPopupItemPrivate::cancelBackground()
146 {
147 quickCancelDeferred(popup, backgroundName());
148 }
149
executeBackground(bool complete)150 void QQuickPopupItemPrivate::executeBackground(bool complete)
151 {
152 if (background.wasExecuted())
153 return;
154
155 if (!background || complete)
156 quickBeginDeferred(popup, backgroundName(), background);
157 if (complete)
158 quickCompleteDeferred(popup, backgroundName(), background);
159 }
160
QQuickPopupItem(QQuickPopup * popup)161 QQuickPopupItem::QQuickPopupItem(QQuickPopup *popup)
162 : QQuickPage(*(new QQuickPopupItemPrivate(popup)), nullptr)
163 {
164 setParent(popup);
165 setFlag(ItemIsFocusScope);
166 setAcceptedMouseButtons(Qt::AllButtons);
167 #if QT_CONFIG(quicktemplates2_multitouch)
168 setAcceptTouchEvents(true);
169 #endif
170 #if QT_CONFIG(cursor)
171 setCursor(Qt::ArrowCursor);
172 #endif
173
174 #if QT_CONFIG(quicktemplates2_hover)
175 // TODO: switch to QStyleHints::useHoverEffects in Qt 5.8
176 setHoverEnabled(true);
177 // setAcceptHoverEvents(QGuiApplication::styleHints()->useHoverEffects());
178 // connect(QGuiApplication::styleHints(), &QStyleHints::useHoverEffectsChanged, this, &QQuickItem::setAcceptHoverEvents);
179 #endif
180 }
181
grabShortcut()182 void QQuickPopupItem::grabShortcut()
183 {
184 #if QT_CONFIG(shortcut)
185 Q_D(QQuickPopupItem);
186 QGuiApplicationPrivate *pApp = QGuiApplicationPrivate::instance();
187 if (!d->backId)
188 d->backId = pApp->shortcutMap.addShortcut(this, Qt::Key_Back, Qt::WindowShortcut, QQuickShortcutContext::matcher);
189 if (!d->escapeId)
190 d->escapeId = pApp->shortcutMap.addShortcut(this, Qt::Key_Escape, Qt::WindowShortcut, QQuickShortcutContext::matcher);
191 #endif
192 }
193
ungrabShortcut()194 void QQuickPopupItem::ungrabShortcut()
195 {
196 #if QT_CONFIG(shortcut)
197 Q_D(QQuickPopupItem);
198 QGuiApplicationPrivate *pApp = QGuiApplicationPrivate::instance();
199 if (d->backId) {
200 pApp->shortcutMap.removeShortcut(d->backId, this);
201 d->backId = 0;
202 }
203 if (d->escapeId) {
204 pApp->shortcutMap.removeShortcut(d->escapeId, this);
205 d->escapeId = 0;
206 }
207 #endif
208 }
209
updatePolish()210 void QQuickPopupItem::updatePolish()
211 {
212 Q_D(QQuickPopupItem);
213 return QQuickPopupPrivate::get(d->popup)->reposition();
214 }
215
event(QEvent * event)216 bool QQuickPopupItem::event(QEvent *event)
217 {
218 #if QT_CONFIG(shortcut)
219 Q_D(QQuickPopupItem);
220 if (event->type() == QEvent::Shortcut) {
221 QShortcutEvent *se = static_cast<QShortcutEvent *>(event);
222 if (se->shortcutId() == d->escapeId || se->shortcutId() == d->backId) {
223 QQuickPopupPrivate *p = QQuickPopupPrivate::get(d->popup);
224 if (p->interactive) {
225 p->closeOrReject();
226 return true;
227 }
228 }
229 }
230 #endif
231 return QQuickItem::event(event);
232 }
233
childMouseEventFilter(QQuickItem * child,QEvent * event)234 bool QQuickPopupItem::childMouseEventFilter(QQuickItem *child, QEvent *event)
235 {
236 Q_D(QQuickPopupItem);
237 return d->popup->childMouseEventFilter(child, event);
238 }
239
focusInEvent(QFocusEvent * event)240 void QQuickPopupItem::focusInEvent(QFocusEvent *event)
241 {
242 Q_D(QQuickPopupItem);
243 d->popup->focusInEvent(event);
244 }
245
focusOutEvent(QFocusEvent * event)246 void QQuickPopupItem::focusOutEvent(QFocusEvent *event)
247 {
248 Q_D(QQuickPopupItem);
249 d->popup->focusOutEvent(event);
250 }
251
keyPressEvent(QKeyEvent * event)252 void QQuickPopupItem::keyPressEvent(QKeyEvent *event)
253 {
254 Q_D(QQuickPopupItem);
255 d->popup->keyPressEvent(event);
256 }
257
keyReleaseEvent(QKeyEvent * event)258 void QQuickPopupItem::keyReleaseEvent(QKeyEvent *event)
259 {
260 Q_D(QQuickPopupItem);
261 d->popup->keyReleaseEvent(event);
262 }
263
mousePressEvent(QMouseEvent * event)264 void QQuickPopupItem::mousePressEvent(QMouseEvent *event)
265 {
266 Q_D(QQuickPopupItem);
267 d->popup->mousePressEvent(event);
268 }
269
mouseMoveEvent(QMouseEvent * event)270 void QQuickPopupItem::mouseMoveEvent(QMouseEvent *event)
271 {
272 Q_D(QQuickPopupItem);
273 d->popup->mouseMoveEvent(event);
274 }
275
mouseReleaseEvent(QMouseEvent * event)276 void QQuickPopupItem::mouseReleaseEvent(QMouseEvent *event)
277 {
278 Q_D(QQuickPopupItem);
279 d->popup->mouseReleaseEvent(event);
280 }
281
mouseDoubleClickEvent(QMouseEvent * event)282 void QQuickPopupItem::mouseDoubleClickEvent(QMouseEvent *event)
283 {
284 Q_D(QQuickPopupItem);
285 d->popup->mouseDoubleClickEvent(event);
286 }
287
mouseUngrabEvent()288 void QQuickPopupItem::mouseUngrabEvent()
289 {
290 Q_D(QQuickPopupItem);
291 d->popup->mouseUngrabEvent();
292 }
293
294 #if QT_CONFIG(quicktemplates2_multitouch)
touchEvent(QTouchEvent * event)295 void QQuickPopupItem::touchEvent(QTouchEvent *event)
296 {
297 Q_D(QQuickPopupItem);
298 d->popup->touchEvent(event);
299 }
300
touchUngrabEvent()301 void QQuickPopupItem::touchUngrabEvent()
302 {
303 Q_D(QQuickPopupItem);
304 d->popup->touchUngrabEvent();
305 }
306 #endif
307
308 #if QT_CONFIG(wheelevent)
wheelEvent(QWheelEvent * event)309 void QQuickPopupItem::wheelEvent(QWheelEvent *event)
310 {
311 Q_D(QQuickPopupItem);
312 d->popup->wheelEvent(event);
313 }
314 #endif
315
contentItemChange(QQuickItem * newItem,QQuickItem * oldItem)316 void QQuickPopupItem::contentItemChange(QQuickItem *newItem, QQuickItem *oldItem)
317 {
318 Q_D(QQuickPopupItem);
319 QQuickPage::contentItemChange(newItem, oldItem);
320 d->popup->contentItemChange(newItem, oldItem);
321 }
322
contentSizeChange(const QSizeF & newSize,const QSizeF & oldSize)323 void QQuickPopupItem::contentSizeChange(const QSizeF &newSize, const QSizeF &oldSize)
324 {
325 Q_D(QQuickPopupItem);
326 QQuickPage::contentSizeChange(newSize, oldSize);
327 d->popup->contentSizeChange(newSize, oldSize);
328 }
329
fontChange(const QFont & newFont,const QFont & oldFont)330 void QQuickPopupItem::fontChange(const QFont &newFont, const QFont &oldFont)
331 {
332 Q_D(QQuickPopupItem);
333 QQuickPage::fontChange(newFont, oldFont);
334 d->popup->fontChange(newFont, oldFont);
335 }
336
geometryChanged(const QRectF & newGeometry,const QRectF & oldGeometry)337 void QQuickPopupItem::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
338 {
339 Q_D(QQuickPopupItem);
340 QQuickPage::geometryChanged(newGeometry, oldGeometry);
341 d->popup->geometryChanged(newGeometry, oldGeometry);
342 }
343
localeChange(const QLocale & newLocale,const QLocale & oldLocale)344 void QQuickPopupItem::localeChange(const QLocale &newLocale, const QLocale &oldLocale)
345 {
346 Q_D(QQuickPopupItem);
347 QQuickPage::localeChange(newLocale, oldLocale);
348 d->popup->localeChange(newLocale, oldLocale);
349 }
350
mirrorChange()351 void QQuickPopupItem::mirrorChange()
352 {
353 Q_D(QQuickPopupItem);
354 emit d->popup->mirroredChanged();
355 }
356
itemChange(ItemChange change,const ItemChangeData & data)357 void QQuickPopupItem::itemChange(ItemChange change, const ItemChangeData &data)
358 {
359 Q_D(QQuickPopupItem);
360 QQuickPage::itemChange(change, data);
361 d->popup->itemChange(change, data);
362 }
363
paddingChange(const QMarginsF & newPadding,const QMarginsF & oldPadding)364 void QQuickPopupItem::paddingChange(const QMarginsF &newPadding, const QMarginsF &oldPadding)
365 {
366 Q_D(QQuickPopupItem);
367 QQuickPage::paddingChange(newPadding, oldPadding);
368 d->popup->paddingChange(newPadding, oldPadding);
369 }
370
paletteChange(const QPalette & newPalette,const QPalette & oldPalette)371 void QQuickPopupItem::paletteChange(const QPalette &newPalette, const QPalette &oldPalette)
372 {
373 Q_D(QQuickPopupItem);
374 QQuickPage::paletteChange(newPalette, oldPalette);
375 d->popup->paletteChange(newPalette, oldPalette);
376 }
377
enabledChange()378 void QQuickPopupItem::enabledChange()
379 {
380 Q_D(QQuickPopupItem);
381 // Just having QQuickPopup connect our QQuickItem::enabledChanged() signal
382 // to its enabledChanged() signal is enough for the enabled property to work,
383 // but we must also ensure that its paletteChanged() signal is emitted
384 // so that bindings to palette are re-evaluated, because QQuickControl::palette()
385 // returns a different palette depending on whether or not the control is enabled.
386 // To save a connection, we also emit enabledChanged here.
387 emit d->popup->enabledChanged();
388 emit d->popup->paletteChanged();
389 }
390
defaultFont() const391 QFont QQuickPopupItem::defaultFont() const
392 {
393 Q_D(const QQuickPopupItem);
394 return d->popup->defaultFont();
395 }
396
defaultPalette() const397 QPalette QQuickPopupItem::defaultPalette() const
398 {
399 Q_D(const QQuickPopupItem);
400 return d->popup->defaultPalette();
401 }
402
403 #if QT_CONFIG(accessibility)
accessibleRole() const404 QAccessible::Role QQuickPopupItem::accessibleRole() const
405 {
406 Q_D(const QQuickPopupItem);
407 return d->popup->accessibleRole();
408 }
409
accessibilityActiveChanged(bool active)410 void QQuickPopupItem::accessibilityActiveChanged(bool active)
411 {
412 Q_D(const QQuickPopupItem);
413 // Can't just use d->popup->accessibleName() here, because that refers to the accessible
414 // name of us, the popup item, which is not what we want.
415 const QQuickAccessibleAttached *popupAccessibleAttached = QQuickControlPrivate::accessibleAttached(d->popup);
416 const QString oldPopupName = popupAccessibleAttached ? popupAccessibleAttached->name() : QString();
417 const bool wasNameExplicitlySetOnPopup = popupAccessibleAttached && popupAccessibleAttached->wasNameExplicitlySet();
418
419 QQuickPage::accessibilityActiveChanged(active);
420
421 QQuickAccessibleAttached *accessibleAttached = QQuickControlPrivate::accessibleAttached(this);
422 const QString ourName = accessibleAttached ? accessibleAttached->name() : QString();
423 if (wasNameExplicitlySetOnPopup && accessibleAttached && ourName != oldPopupName) {
424 // The user set Accessible.name on the Popup. Since the Popup and its popup item
425 // have different accessible attached properties, the popup item doesn't know that
426 // a name was set on the Popup by the user, and that it should use that, rather than
427 // whatever QQuickPage sets. That's why we need to do it here.
428 // To avoid it being overridden by the call to accessibilityActiveChanged() below,
429 // we set it explicitly. It's safe to do this as the popup item is an internal implementation detail.
430 accessibleAttached->setName(oldPopupName);
431 }
432
433 // This allows the different popup types to set a name on their popup item accordingly.
434 // For example: Dialog uses its title and ToolTip uses its text.
435 d->popup->accessibilityActiveChanged(active);
436 }
437 #endif
438
439 QT_END_NAMESPACE
440