/*! \reimp */ int QAccessibleWidget::childAt(int x, int y) const { QWidget *w = widget(); if (!w->isVisible()) return -1; QPoint gp = w->mapToGlobal(QPoint(0, 0)); if (!QRect(gp.x(), gp.y(), w->width(), w->height()).contains(x, y)) return -1; QWidgetList list = childWidgets(w); int ccount = childCount(); // a complex child if (list.size() < ccount) { for (int i = 1; i <= ccount; ++i) { if (rect(i).contains(x, y)) return i; } return 0; } QPoint rp = w->mapFromGlobal(QPoint(x, y)); for (int i = 0; i<list.size(); ++i) { QWidget *child = list.at(i); if (!child->isWindow() && !child->isHidden() && child->geometry().contains(rp)) { return i + 1; } } return 0; }
/*! \reimp */ int QAccessibleWidget::indexOfChild(const QAccessibleInterface *child) const { if (!child) return -1; QWidgetList cl = childWidgets(widget()); return cl.indexOf(qobject_cast<QWidget *>(child->object())); }
/*! \reimp */ QAccessibleInterface *QAccessibleWidget::child(int index) const { Q_ASSERT(widget()); QWidgetList childList = childWidgets(widget()); if (index >= 0 && index < childList.size()) return QAccessible::queryAccessibleInterface(childList.at(index)); return 0; }
/*! \reimp */ int QAccessibleWidget::indexOfChild(const QAccessibleInterface *child) const { QWidgetList cl = childWidgets(widget()); int index = cl.indexOf(qobject_cast<QWidget *>(child->object())); if (index != -1) ++index; return index; }
/*! \reimp */ QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > QAccessibleWidget::relations(QAccessible::Relation match /*= QAccessible::AllRelations*/) const { QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels; if (match & QAccessible::Label) { const QAccessible::Relation rel = QAccessible::Label; if (QWidget *parent = widget()->parentWidget()) { #ifndef QT_NO_SHORTCUT // first check for all siblings that are labels to us // ideally we would go through all objects and check, but that // will be too expensive const QList<QWidget*> kids = childWidgets(parent); for (int i = 0; i < kids.count(); ++i) { if (QLabel *labelSibling = qobject_cast<QLabel*>(kids.at(i))) { if (labelSibling->buddy() == widget()) { QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(labelSibling); rels.append(qMakePair(iface, rel)); } } } #endif #ifndef QT_NO_GROUPBOX QGroupBox *groupbox = qobject_cast<QGroupBox*>(parent); if (groupbox && !groupbox->title().isEmpty()) { QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(groupbox); rels.append(qMakePair(iface, rel)); } #endif } } if (match & QAccessible::Controlled) { QObjectList allReceivers; QACConnectionObject *connectionObject = (QACConnectionObject*)object(); for (int sig = 0; sig < d->primarySignals.count(); ++sig) { const QObjectList receivers = connectionObject->receiverList(d->primarySignals.at(sig).toLatin1()); allReceivers += receivers; } allReceivers.removeAll(object()); //### The object might connect to itself internally for (int i = 0; i < allReceivers.count(); ++i) { const QAccessible::Relation rel = QAccessible::Controlled; QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(allReceivers.at(i)); if (iface) rels.append(qMakePair(iface, rel)); } } return rels; }
QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > QAccessibleGroupBox::relations(QAccessible::Relation match /* = QAccessible::AllRelations */) const { QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels = QAccessibleWidget::relations(match); if ((match & QAccessible::Labelled) && (!groupBox()->title().isEmpty())) { const QList<QWidget*> kids = childWidgets(widget()); for (int i = 0; i < kids.count(); ++i) { QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(kids.at(i)); if (iface) rels.append(qMakePair(iface, QAccessible::Relation(QAccessible::Labelled))); } } return rels; }
/*! \reimp */ QAccessible::Role QAccessibleWidget::role(int child) const { if (!child) return d->role; QWidgetList childList = childWidgets(widget()); if (childList.count() > 0 && child <= childList.count()) { QWidget *targetWidget = childList.at(child - 1); QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(targetWidget); if (iface) { QAccessible::Role role = iface->role(0); delete iface; return role; } } return NoRole; }
QSize GUIContainer::sizeForLayout() { QSize size(0, 0); switch(_layout) { case HorizontalLayout: { bool first[3] = {true, true, true}; foreach(GUIWidget* child, childWidgets()) { if(child->isHidden()) continue; QSize pref = child->preferredSize(); int flot = valForFloatAttr(child->wattr()); if(first[flot]) first[flot] = false; else pref.setWidth(pref.width() + spacing().x()); size.setWidth(size.width() + pref.width()); if(pref.height() > size.height()) size.setHeight(pref.height()); } break; } case VerticalLayout: { bool first[3] = {true, true, true}; foreach(GUIWidget* child, childWidgets()) { if(child->isHidden()) continue; QSize pref = child->preferredSize(); int flot = valForFloatAttr(child->wattr()); if(first[flot]) first[flot] = false; else pref.setHeight(pref.height() + spacing().y()); size.setHeight(size.height() + pref.height()); if(pref.width() > size.width()) size.setWidth(pref.width()); } break; } case FreeformLayout: foreach(GUIWidget* child, childWidgets()) { int w = child->x() + child->width(); int h = child->y() + child->height(); if(w > size.width()) size.setWidth(w); if(h > size.height()) size.setHeight(h); } }
/*! \reimp */ int QAccessibleWidget::childCount() const { QWidgetList cl = childWidgets(widget()); return cl.size(); }
/*! \reimp */ int QAccessibleWidget::navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const { if (!target) return -1; *target = 0; QObject *targetObject = 0; QWidgetList childList = childWidgets(widget()); bool complexWidget = childList.size() < childCount(); switch (relation) { // Hierarchical case Self: targetObject = object(); break; case Child: if (complexWidget) { if (entry > 0 && entry <= childCount()) return entry; return -1; }else { if (entry > 0 && childList.size() >= entry) targetObject = childList.at(entry - 1); } break; case Ancestor: { if (entry <= 0) return -1; targetObject = widget()->parentWidget(); int i; for (i = entry; i > 1 && targetObject; --i) targetObject = targetObject->parent(); if (!targetObject && i == 1) targetObject = qApp; } break; case Sibling: { QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(parentObject()); if (!iface) return -1; iface->navigate(Child, entry, target); delete iface; if (*target) return 0; } break; // Geometrical case QAccessible::Left: if (complexWidget && entry) { if (entry < 2 || widget()->height() > widget()->width() + 20) // looks vertical return -1; return entry - 1; } // fall through case QAccessible::Right: if (complexWidget && entry) { if (entry >= childCount() || widget()->height() > widget()->width() + 20) // looks vertical return -1; return entry + 1; } // fall through case QAccessible::Up: if (complexWidget && entry) { if (entry < 2 || widget()->width() > widget()->height() + 20) // looks horizontal return - 1; return entry - 1; } // fall through case QAccessible::Down: if (complexWidget && entry) { if (entry >= childCount() || widget()->width() > widget()->height() + 20) // looks horizontal return - 1; return entry + 1; } else { QAccessibleInterface *pIface = QAccessible::queryAccessibleInterface(parentObject()); if (!pIface) return -1; QRect startg = rect(0); QPoint startc = startg.center(); QAccessibleInterface *candidate = 0; int mindist = 100000; int sibCount = pIface->childCount(); for (int i = 0; i < sibCount; ++i) { QAccessibleInterface *sibling = 0; pIface->navigate(Child, i+1, &sibling); Q_ASSERT(sibling); if ((relationTo(0, sibling, 0) & Self) || (sibling->state(0) & QAccessible::Invisible)) { //ignore ourself and invisible siblings delete sibling; continue; } QRect sibg = sibling->rect(0); QPoint sibc = sibg.center(); QPoint sibp; QPoint startp; QPoint distp; switch (relation) { case QAccessible::Left: startp = QPoint(startg.left(), startg.top() + startg.height() / 2); sibp = QPoint(sibg.right(), sibg.top() + sibg.height() / 2); if (QPoint(sibc - startc).x() >= 0) { delete sibling; continue; } distp = sibp - startp; break; case QAccessible::Right: startp = QPoint(startg.right(), startg.top() + startg.height() / 2); sibp = QPoint(sibg.left(), sibg.top() + sibg.height() / 2); if (QPoint(sibc - startc).x() <= 0) { delete sibling; continue; } distp = sibp - startp; break; case QAccessible::Up: startp = QPoint(startg.left() + startg.width() / 2, startg.top()); sibp = QPoint(sibg.left() + sibg.width() / 2, sibg.bottom()); if (QPoint(sibc - startc).y() >= 0) { delete sibling; continue; } distp = sibp - startp; break; case QAccessible::Down: startp = QPoint(startg.left() + startg.width() / 2, startg.bottom()); sibp = QPoint(sibg.left() + sibg.width() / 2, sibg.top()); if (QPoint(sibc - startc).y() <= 0) { delete sibling; continue; } distp = sibp - startp; break; default: break; } int dist = (int)qSqrt((qreal)distp.x() * distp.x() + distp.y() * distp.y()); if (dist < mindist) { delete candidate; candidate = sibling; mindist = dist; } else { delete sibling; } } delete pIface; *target = candidate; if (*target) return 0; } break; case Covers: if (entry > 0) { QAccessibleInterface *pIface = QAccessible::queryAccessibleInterface(parentObject()); if (!pIface) return -1; QRect r = rect(0); int sibCount = pIface->childCount(); QAccessibleInterface *sibling = 0; for (int i = pIface->indexOfChild(this) + 1; i <= sibCount && entry; ++i) { pIface->navigate(Child, i, &sibling); if (!sibling || (sibling->state(0) & Invisible)) { delete sibling; sibling = 0; continue; } if (sibling->rect(0).intersects(r)) --entry; if (!entry) break; delete sibling; sibling = 0; } delete pIface; *target = sibling; if (*target) return 0; } break; case Covered: if (entry > 0) { QAccessibleInterface *pIface = QAccessible::queryAccessibleInterface(parentObject()); if (!pIface) return -1; QRect r = rect(0); int index = pIface->indexOfChild(this); QAccessibleInterface *sibling = 0; for (int i = 1; i < index && entry; ++i) { pIface->navigate(Child, i, &sibling); Q_ASSERT(sibling); if (!sibling || (sibling->state(0) & Invisible)) { delete sibling; sibling = 0; continue; } if (sibling->rect(0).intersects(r)) --entry; if (!entry) break; delete sibling; sibling = 0; } delete pIface; *target = sibling; if (*target) return 0; } break; // Logical case FocusChild: { if (widget()->hasFocus()) { targetObject = object(); break; } QWidget *fw = widget()->focusWidget(); if (!fw) return -1; if (isAncestor(widget(), fw) || fw == widget()) targetObject = fw; /* ### QWidget *parent = fw; while (parent && !targetObject) { parent = parent->parentWidget(); if (parent == widget()) targetObject = fw; } */ } break; case Label: if (entry > 0) { QAccessibleInterface *pIface = QAccessible::queryAccessibleInterface(parentObject()); if (!pIface) return -1; // first check for all siblings that are labels to us // ideally we would go through all objects and check, but that // will be too expensive int sibCount = pIface->childCount(); QAccessibleInterface *candidate = 0; for (int i = 0; i < sibCount && entry; ++i) { const int childId = pIface->navigate(Child, i+1, &candidate); Q_ASSERT(childId >= 0); if (childId > 0) candidate = pIface; if (candidate->relationTo(childId, this, 0) & Label) --entry; if (!entry) break; if (candidate != pIface) delete candidate; candidate = 0; } if (!candidate) { if (pIface->relationTo(0, this, 0) & Label) --entry; if (!entry) candidate = pIface; } if (pIface != candidate) delete pIface; *target = candidate; if (*target) return 0; } break; case Labelled: // only implemented in subclasses break; case Controller: if (entry > 0) { // check all senders we are connected to, // and figure out which one are controllers to us QACConnectionObject *connectionObject = (QACConnectionObject*)object(); QObjectList allSenders = connectionObject->senderList(); QObjectList senders; for (int s = 0; s < allSenders.size(); ++s) { QObject *sender = allSenders.at(s); QAccessibleInterface *candidate = QAccessible::queryAccessibleInterface(sender); if (!candidate) continue; if (candidate->relationTo(0, this, 0)&Controller) senders << sender; delete candidate; } if (entry <= senders.size()) targetObject = senders.at(entry-1); } break; case Controlled: if (entry > 0) { QObjectList allReceivers; QACConnectionObject *connectionObject = (QACConnectionObject*)object(); for (int sig = 0; sig < d->primarySignals.count(); ++sig) { QObjectList receivers = connectionObject->receiverList(d->primarySignals.at(sig).toAscii()); allReceivers += receivers; } if (entry <= allReceivers.size()) targetObject = allReceivers.at(entry-1); } break; default: break; } *target = QAccessible::queryAccessibleInterface(targetObject); return *target ? 0 : -1; }