diff options
Diffstat (limited to 'src/gui')
43 files changed, 885 insertions, 3145 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index 2223f5d..c82c2e5 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -574,7 +574,6 @@ #include <private/qtextcontrol_p.h> #include <private/qtextdocumentlayout_p.h> #include <private/qtextengine_p.h> -#include <private/qgesturemanager_p.h> #ifdef Q_WS_X11 #include <private/qt_x11_p.h> @@ -615,8 +614,6 @@ public: }; Q_GLOBAL_STATIC(QGraphicsItemCustomDataStore, qt_dataStore) -QString qt_getStandardGestureTypeName(Qt::GestureType type); - /*! \internal @@ -1131,7 +1128,6 @@ QGraphicsItem::~QGraphicsItem() { d_ptr->inDestructor = 1; d_ptr->removeExtraItemCache(); - d_ptr->removeExtraGestures(); clearFocus(); if (!d_ptr->children.isEmpty()) { @@ -6251,104 +6247,6 @@ QVariant QGraphicsItem::inputMethodQuery(Qt::InputMethodQuery query) const } /*! - \since 4.6 - - Subscribes the graphics item to the specified \a gesture type. - - Returns the id of the gesture. - - \sa releaseGesture(), setGestureEnabled() -*/ -int QGraphicsItem::grabGesture(Qt::GestureType gesture) -{ - /// TODO: if we are QGraphicsProxyWidget we should subscribe the widget to gesture as well. - return grabGesture(qt_getStandardGestureTypeName(gesture)); -} - -/*! - \since 4.6 - - Subscribes the graphics item to the specified \a gesture type. - - Returns the id of the gesture. - - \sa releaseGesture(), setGestureEnabled() -*/ -int QGraphicsItem::grabGesture(const QString &gesture) -{ - int id = QGestureManager::instance()->makeGestureId(gesture); - d_ptr->grabGesture(id); - return id; -} - -void QGraphicsItemPrivate::grabGesture(int id) -{ - Q_Q(QGraphicsItem); - extraGestures()->gestures << id; - if (scene) - scene->d_func()->grabGesture(q, id); -} - -bool QGraphicsItemPrivate::releaseGesture(int id) -{ - Q_Q(QGraphicsItem); - QGestureExtraData *extra = maybeExtraGestures(); - if (extra && extra->gestures.contains(id)) { - if (scene) - scene->d_func()->releaseGesture(q, id); - extra->gestures.remove(id); - return true; - } - return false; -} - -/*! - \since 4.6 - - Unsubscribes the graphics item from a gesture, which is specified - by the \a gestureId. - - \sa grabGesture(), setGestureEnabled() -*/ -void QGraphicsItem::releaseGesture(int gestureId) -{ - /// TODO: if we are QGraphicsProxyWidget we should unsubscribe the widget from gesture as well. - if (d_ptr->releaseGesture(gestureId)) - QGestureManager::instance()->releaseGestureId(gestureId); -} - -/*! - \since 4.6 - - If \a enable is true, the gesture with the given \a gestureId is - enabled; otherwise the gesture is disabled. - - The id of the gesture is returned by the grabGesture(). - - \sa grabGesture(), releaseGesture() -*/ -void QGraphicsItem::setGestureEnabled(int gestureId, bool enable) -{ - Q_UNUSED(gestureId); - Q_UNUSED(enable); - //### -} - -bool QGraphicsItemPrivate::hasGesture(const QString &name) const -{ - if (QGestureExtraData *extra = maybeExtraGestures()) { - QGestureManager *gm = QGestureManager::instance(); - QSet<int>::const_iterator it = extra->gestures.begin(), - e = extra->gestures.end(); - for (; it != e; ++it) { - if (gm->gestureNameFromId(*it) == name) - return true; - } - } - return false; -} - -/*! This virtual function is called by QGraphicsItem to notify custom items that some part of the item's state changes. By reimplementing this function, your can react to a change, and in some cases, (depending on \a @@ -6372,23 +6270,6 @@ bool QGraphicsItemPrivate::hasGesture(const QString &name) const QVariant QGraphicsItem::itemChange(GraphicsItemChange change, const QVariant &value) { Q_UNUSED(change); - if (change == QGraphicsItem::ItemSceneChange) { - QGestureExtraData *extra = d_ptr->maybeExtraGestures(); - if (!qVariantValue<QGraphicsScene*>(value) && extra) { - // the item has been removed from a scene, unsubscribe gestures. - Q_ASSERT(d_ptr->scene); - foreach(int id, extra->gestures) - d_ptr->scene->d_func()->releaseGesture(this, id); - } - } else if (change == QGraphicsItem::ItemSceneHasChanged) { - QGraphicsScene *scene = qVariantValue<QGraphicsScene*>(value); - QGestureExtraData *extra = d_ptr->maybeExtraGestures(); - if (scene && extra) { - // item has been added to the scene - foreach(int id, extra->gestures) - scene->d_func()->grabGesture(this, id); - } - } return value; } diff --git a/src/gui/graphicsview/qgraphicsitem.h b/src/gui/graphicsview/qgraphicsitem.h index 3a3d1a1..b0571c2 100644 --- a/src/gui/graphicsview/qgraphicsitem.h +++ b/src/gui/graphicsview/qgraphicsitem.h @@ -379,11 +379,6 @@ public: QVariant data(int key) const; void setData(int key, const QVariant &value); - int grabGesture(Qt::GestureType gesture); - int grabGesture(const QString &gesture); - void releaseGesture(int gestureId); - void setGestureEnabled(int gestureId, bool enable = true); - enum { Type = 1, UserType = 65536 diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index a0d061b..a977e1e 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -93,12 +93,6 @@ public: void purge(); }; -class QGestureExtraData -{ -public: - QSet<int> gestures; -}; - class Q_AUTOTEST_EXPORT QGraphicsItemPrivate { Q_DECLARE_PUBLIC(QGraphicsItem) @@ -108,8 +102,7 @@ public: ExtraCursor, ExtraCacheData, ExtraMaxDeviceCoordCacheSize, - ExtraBoundingRegionGranularity, - ExtraGestures + ExtraBoundingRegionGranularity }; enum AncestorFlag { @@ -394,30 +387,6 @@ public: int index; int depth; - inline QGestureExtraData* extraGestures() const - { - QGestureExtraData *c = (QGestureExtraData *)qVariantValue<void *>(extra(ExtraGestures)); - if (!c) { - QGraphicsItemPrivate *that = const_cast<QGraphicsItemPrivate *>(this); - c = new QGestureExtraData; - that->setExtra(ExtraGestures, qVariantFromValue<void *>(c)); - } - return c; - } - QGestureExtraData* maybeExtraGestures() const - { - return (QGestureExtraData *)qVariantValue<void *>(extra(ExtraGestures)); - } - inline void removeExtraGestures() - { - QGestureExtraData *c = (QGestureExtraData *)qVariantValue<void *>(extra(ExtraGestures)); - delete c; - unsetExtra(ExtraGestures); - } - bool hasGesture(const QString &gesture) const; - void grabGesture(int id); - bool releaseGesture(int id); - // Packed 32 bytes quint32 acceptedMouseButtons : 5; quint32 visible : 1; diff --git a/src/gui/graphicsview/qgraphicsproxywidget.cpp b/src/gui/graphicsview/qgraphicsproxywidget.cpp index f081222..0b421ad 100644 --- a/src/gui/graphicsview/qgraphicsproxywidget.cpp +++ b/src/gui/graphicsview/qgraphicsproxywidget.cpp @@ -48,7 +48,6 @@ #include "private/qgraphicsproxywidget_p.h" #include "private/qwidget_p.h" #include "private/qapplication_p.h" -#include "private/qgesturemanager_p.h" #include <QtCore/qdebug.h> #include <QtGui/qevent.h> @@ -649,9 +648,6 @@ void QGraphicsProxyWidgetPrivate::setWidget_helper(QWidget *newWidget, bool auto q->setAttribute(Qt::WA_OpaquePaintEvent); widget = newWidget; - foreach(int gestureId, widget->d_func()->gestures) { - grabGesture(gestureId); - } // Changes only go from the widget to the proxy. enabledChangeMode = QGraphicsProxyWidgetPrivate::WidgetToProxyMode; @@ -875,15 +871,6 @@ bool QGraphicsProxyWidget::event(QEvent *event) } break; } - case QEvent::GraphicsSceneGesture: { - qDebug() << "QGraphicsProxyWidget: graphicsscenegesture"; - if (d->widget && d->widget->isVisible()) { - //### TODO: widget->childAt(): decompose gesture event and find widget under hotspots. - //QGestureManager::instance()->sendGestureEvent(d->widget, ge->gestures().toSet(), ge->cancelledGestures()); - return true; - } - break; - } default: break; } diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index e50ee94..c3f72e6 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -247,8 +247,6 @@ #ifdef Q_WS_X11 #include <private/qt_x11_p.h> #endif -#include <private/qgesturemanager_p.h> -#include <private/qgesture_p.h> QT_BEGIN_NAMESPACE @@ -4018,47 +4016,6 @@ bool QGraphicsScene::event(QEvent *event) // geometries that do not have an explicit style set. update(); break; - case QEvent::GraphicsSceneGesture: { - QGraphicsSceneGestureEvent *ev = static_cast<QGraphicsSceneGestureEvent*>(event); - QGraphicsView *view = qobject_cast<QGraphicsView*>(ev->widget()); - if (!view) { - qWarning("QGraphicsScene::event: gesture event was received without a view"); - break; - } - - // get a list of gestures that just started. - QSet<QGesture*> startedGestures; - QList<QGesture*> gestures = ev->gestures(); - for(QList<QGesture*>::const_iterator it = gestures.begin(), e = gestures.end(); - it != e; ++it) { - QGesture *g = *it; - QGesturePrivate *gd = g->d_func(); - if (g->state() == Qt::GestureStarted || gd->singleshot) { - startedGestures.insert(g); - } - } - if (!startedGestures.isEmpty()) { - // find a target for each started gesture. - for(QSet<QGesture*>::const_iterator it = startedGestures.begin(), e = startedGestures.end(); - it != e; ++it) { - QGesture *g = *it; - QGesturePrivate *gd = g->d_func(); - gd->graphicsItem = 0; - QList<QGraphicsItem*> itemsInGestureArea = items(g->hotSpot()); - const QString gestureName = g->type(); - foreach(QGraphicsItem *item, itemsInGestureArea) { - if (item->d_func()->hasGesture(gestureName)) { - Q_ASSERT(gd->graphicsItem == 0); - gd->graphicsItem = item; - d->itemsWithGestures[item].insert(g); - break; - } - } - } - } - d->sendGestureEvent(ev->gestures().toSet(), ev->cancelledGestures()); - } - break; case QEvent::TouchBegin: case QEvent::TouchUpdate: case QEvent::TouchEnd: @@ -4080,69 +4037,6 @@ bool QGraphicsScene::event(QEvent *event) return true; } -void QGraphicsScenePrivate::sendGestureEvent(const QSet<QGesture*> &gestures, const QSet<QString> &cancelled) -{ - Q_Q(QGraphicsScene); - typedef QMap<QGraphicsItem*, QSet<QGesture*> > ItemGesturesMap; - ItemGesturesMap itemGestures; - QSet<QGesture*> startedGestures; - for(QSet<QGesture*>::const_iterator it = gestures.begin(), e = gestures.end(); - it != e; ++it) { - QGesture *g = *it; - Q_ASSERT(g != 0); - QGesturePrivate *gd = g->d_func(); - if (gd->graphicsItem != 0) { - itemGestures[gd->graphicsItem].insert(g); - if (g->state() == Qt::GestureStarted || gd->singleshot) - startedGestures.insert(g); - } - } - - QSet<QGesture*> ignoredGestures; - for(ItemGesturesMap::const_iterator it = itemGestures.begin(), e = itemGestures.end(); - it != e; ++it) { - QGraphicsItem *receiver = it.key(); - Q_ASSERT(receiver != 0); - QGraphicsSceneGestureEvent event; - event.setGestures(it.value()); - event.setCancelledGestures(cancelled); - bool processed = sendEvent(receiver, &event); - QSet<QGesture*> started = startedGestures.intersect(it.value()); - if (event.isAccepted()) - foreach(QGesture *g, started) - g->accept(); - if (!started.isEmpty() && !(processed && event.isAccepted())) { - // there are started gestures event that weren't - // accepted, so propagating each gesture independently. - QSet<QGesture*>::const_iterator it = started.begin(), - e = started.end(); - for(; it != e; ++it) { - QGesture *g = *it; - if (processed && g->isAccepted()) { - continue; - } - QGesturePrivate *gd = g->d_func(); - gd->graphicsItem = 0; - - //### THIS IS BS, DONT FORGET TO REWRITE THIS CODE - // need to make sure we try to deliver event just once to each widget - const QString gestureType = g->type(); - QList<QGraphicsItem*> itemsUnderGesture = q->items(g->hotSpot()); - for (int i = 0; i < itemsUnderGesture.size(); ++i) { - QGraphicsItem *item = itemsUnderGesture.at(i); - if (item != receiver && item->d_func()->hasGesture(gestureType)) { - ignoredGestures.insert(g); - gd->graphicsItem = item; - break; - } - } - } - } - } - if (!ignoredGestures.isEmpty()) - sendGestureEvent(ignoredGestures, cancelled); -} - /*! \reimp @@ -6018,32 +5912,11 @@ bool QGraphicsScene::sendEvent(QGraphicsItem *item, QEvent *event) void QGraphicsScenePrivate::addView(QGraphicsView *view) { views << view; - foreach(int gestureId, grabbedGestures) - view->d_func()->grabGesture(gestureId); } void QGraphicsScenePrivate::removeView(QGraphicsView *view) { views.removeAll(view); - foreach(int gestureId, grabbedGestures) - view->releaseGesture(gestureId); -} - -void QGraphicsScenePrivate::grabGesture(QGraphicsItem *item, int gestureId) -{ - if (!grabbedGestures.contains(gestureId)) { - foreach(QGraphicsView *view, views) - view->d_func()->grabGesture(gestureId); - } - (void)itemsWithGestures[item]; - grabbedGestures << gestureId; -} - -void QGraphicsScenePrivate::releaseGesture(QGraphicsItem *item, int gestureId) -{ - Q_UNUSED(gestureId); - itemsWithGestures.remove(item); - //### } void QGraphicsScenePrivate::updateTouchPointsForItem(QGraphicsItem *item, QTouchEvent *touchEvent) diff --git a/src/gui/graphicsview/qgraphicsscene.h b/src/gui/graphicsview/qgraphicsscene.h index c8b147f..6aaeb91 100644 --- a/src/gui/graphicsview/qgraphicsscene.h +++ b/src/gui/graphicsview/qgraphicsscene.h @@ -79,7 +79,6 @@ class QGraphicsSceneHelpEvent; class QGraphicsSceneHoverEvent; class QGraphicsSceneMouseEvent; class QGraphicsSceneWheelEvent; -class QGraphicsSceneGestureEvent; class QGraphicsSimpleTextItem; class QGraphicsTextItem; class QGraphicsView; diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h index 3c3a811..d2d603a 100644 --- a/src/gui/graphicsview/qgraphicsscene_p.h +++ b/src/gui/graphicsview/qgraphicsscene_p.h @@ -78,7 +78,6 @@ QT_BEGIN_NAMESPACE class QGraphicsView; class QGraphicsWidget; -class QGesture; class QGraphicsScenePrivate : public QObjectPrivate { @@ -309,13 +308,6 @@ public: QStyleOptionGraphicsItem styleOptionTmp; - // items with gestures -> list of started gestures. - QMap<QGraphicsItem*, QSet<QGesture*> > itemsWithGestures; - QSet<int> grabbedGestures; - void grabGesture(QGraphicsItem *item, int gestureId); - void releaseGesture(QGraphicsItem *item, int gestureId); - void sendGestureEvent(const QSet<QGesture*> &gestures, const QSet<QString> &cancelled); - QMap<int, QTouchEvent::TouchPoint> sceneCurrentTouchPoints; QMap<int, QGraphicsItem *> itemForTouchPointId; static void updateTouchPointsForItem(QGraphicsItem *item, QTouchEvent *touchEvent); diff --git a/src/gui/graphicsview/qgraphicssceneevent.cpp b/src/gui/graphicsview/qgraphicssceneevent.cpp index 27a2d7e..53019f2 100644 --- a/src/gui/graphicsview/qgraphicssceneevent.cpp +++ b/src/gui/graphicsview/qgraphicssceneevent.cpp @@ -275,8 +275,6 @@ QT_BEGIN_NAMESPACE -QString qt_getStandardGestureTypeName(Qt::GestureType type); - class QGraphicsSceneEventPrivate { public: @@ -1679,253 +1677,6 @@ void QGraphicsSceneMoveEvent::setNewPos(const QPointF &pos) d->newPos = pos; } -/*! - \class QGraphicsSceneGestureEvent - \brief The QGraphicsSceneGestureEvent class provides gesture events for - the graphics view framework. - \since 4.6 - \ingroup multimedia - \ingroup graphicsview-api - - QGraphicsSceneGestureEvent extends information provided by - QGestureEvent by adding some convenience functions like - \l{QGraphicsSceneEvent::}{widget()} to get a widget that received - original gesture event, and convenience functions mapToScene(), - mapToItem() for converting positions of the gesture into - QGraphicsScene and QGraphicsItem coordinate system respectively. - - The scene sends the event to the first QGraphicsItem under the - mouse cursor that accepts gestures; a graphics item is set to accept - gestures with \l{QGraphicsItem::}{grabGesture()}. - - \sa QGestureEvent -*/ - -/*! - Constructs a QGraphicsSceneGestureEvent. -*/ -QGraphicsSceneGestureEvent::QGraphicsSceneGestureEvent() - : QGraphicsSceneEvent(QEvent::GraphicsSceneGesture) -{ - setAccepted(false); -} - -/*! - Destroys a QGraphicsSceneGestureEvent. -*/ -QGraphicsSceneGestureEvent::~QGraphicsSceneGestureEvent() -{ -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGraphicsSceneGestureEvent::contains(const QString &type) const -{ - return gesture(type) != 0; -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGraphicsSceneGestureEvent::contains(Qt::GestureType type) const -{ - return contains(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns a list of gesture names that this event contains. -*/ -QList<QString> QGraphicsSceneGestureEvent::gestureTypes() const -{ - return m_gestures.keys(); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGraphicsSceneGestureEvent::gesture(const QString &type) const -{ - return m_gestures.value(type, 0); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGraphicsSceneGestureEvent::gesture(Qt::GestureType type) const -{ - return gesture(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns extended information about all gestures in the event. -*/ -QList<QGesture*> QGraphicsSceneGestureEvent::gestures() const -{ - return m_gestures.values(); -} - -/*! - Returns a set of gesture names that used to be executed, but were - cancelled (i.e. they were not finished properly). -*/ -QSet<QString> QGraphicsSceneGestureEvent::cancelledGestures() const -{ - return m_cancelledGestures; -} - -/*! - Sets a list of gesture names \a cancelledGestures that used to be - executed, but were cancelled (i.e. they were not finished - properly). -*/ -void QGraphicsSceneGestureEvent::setCancelledGestures(const QSet<QString> &cancelledGestures) -{ - m_cancelledGestures = cancelledGestures; -} - -/*! - Maps the point \a point, which is in a view coordinate system, to - scene coordinate system, and returns the mapped coordinate. - - A \a point is in coordinate system of the widget that received - gesture event. - - \sa mapToItem(), {The Graphics View Coordinate System} -*/ -QPointF QGraphicsSceneGestureEvent::mapToScene(const QPoint &point) const -{ - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return view->mapToScene(point); - return QPointF(); -} - -/*! - Maps the rectangular \a rect, which is in a view coordinate system, to - scene coordinate system, and returns the mapped coordinate. - - A \a rect is in coordinate system of the widget that received - gesture event. - - \sa mapToItem(), {The Graphics View Coordinate System} -*/ -QPolygonF QGraphicsSceneGestureEvent::mapToScene(const QRect &rect) const -{ - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return view->mapToScene(rect); - return QPolygonF(); -} - -/*! - Maps the point \a point, which is in a view coordinate system, to - item's \a item coordinate system, and returns the mapped coordinate. - - If \a item is 0, this function returns the same as mapToScene(). - - \sa mapToScene(), {The Graphics View Coordinate System} -*/ -QPointF QGraphicsSceneGestureEvent::mapToItem(const QPoint &point, QGraphicsItem *item) const -{ - if (item) { - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return item->mapFromScene(view->mapToScene(point)); - } else { - return mapToScene(point); - } - return QPointF(); -} - -/*! - Maps the rectangualar \a rect, which is in a view coordinate system, to - item's \a item coordinate system, and returns the mapped coordinate. - - If \a item is 0, this function returns the same as mapToScene(). - - \sa mapToScene(), {The Graphics View Coordinate System} -*/ -QPolygonF QGraphicsSceneGestureEvent::mapToItem(const QRect &rect, QGraphicsItem *item) const -{ - if (item) { - if (QGraphicsView *view = qobject_cast<QGraphicsView*>(widget())) - return item->mapFromScene(view->mapToScene(rect)); - } else { - return mapToScene(rect); - } - return QPolygonF(); -} - -/*! - Set a list of gesture objects containing extended information about \a gestures. -*/ -void QGraphicsSceneGestureEvent::setGestures(const QList<QGesture*> &gestures) -{ - foreach(QGesture *g, gestures) - m_gestures.insert(g->type(), g); -} - -/*! - Set a list of gesture objects containing extended information about \a gestures. -*/ -void QGraphicsSceneGestureEvent::setGestures(const QSet<QGesture*> &gestures) -{ - foreach(QGesture *g, gestures) - m_gestures.insert(g->type(), g); -} - -/*! - Sets the accept flag of the all gestures for the event object. - This is the equivalent of calling \l{QEvent::accept()} {accept()} - or \l{QEvent::setAccepted()}{setAccepted(true)}. - - Setting the accept flag indicates that the event receiver wants - the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGraphicsSceneGestureEvent::acceptAll() -{ - QHash<QString, QGesture*>::iterator it = m_gestures.begin(), - e = m_gestures.end(); - for(; it != e; ++it) - it.value()->accept(); - setAccepted(true); -} - -/*! \fn void QGraphicsSceneGestureEvent::accept() - Calls QEvent::accept(). -*/ - -/*! - Sets the accept flag of the gesture specified by \a type. This is - equivalent to calling \l{QGestureEvent::gesture()} {gesture(type)}-> - \l{QGesture::accept()}{accept()} - - Setting the accept flag indicates that the event receiver - wants the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGraphicsSceneGestureEvent::accept(Qt::GestureType type) -{ - if (QGesture *g = m_gestures.value(qt_getStandardGestureTypeName(type), 0)) - g->accept(); -} - -/*! - - Sets the accept flag of the gesture specified by \a type. This is - equivalent to calling \l{QGestureEvent::gesture()} {gesture(type)}-> - \l{QGesture::accept()}{accept()} - - Setting the accept flag indicates that the event receiver wants the - gesture. Unwanted gestures might be propagated to the parent widget. -*/ -void QGraphicsSceneGestureEvent::accept(const QString &type) -{ - if (QGesture *g = m_gestures.value(type, 0)) - g->accept(); -} - QT_END_NAMESPACE #endif // QT_NO_GRAPHICSVIEW diff --git a/src/gui/graphicsview/qgraphicssceneevent.h b/src/gui/graphicsview/qgraphicssceneevent.h index 8a30bb8..b38e757 100644 --- a/src/gui/graphicsview/qgraphicssceneevent.h +++ b/src/gui/graphicsview/qgraphicssceneevent.h @@ -306,49 +306,6 @@ public: void setNewPos(const QPointF &pos); }; -class QGesture; -class QGraphicsItem; -class QGraphicsSceneGestureEventPrivate; -class Q_GUI_EXPORT QGraphicsSceneGestureEvent : public QGraphicsSceneEvent -{ - Q_DECLARE_PRIVATE(QGraphicsSceneGestureEvent) -public: - QGraphicsSceneGestureEvent(); - ~QGraphicsSceneGestureEvent(); - - bool contains(const QString &type) const; - bool contains(Qt::GestureType type) const; - - QList<QString> gestureTypes() const; - - const QGesture* gesture(Qt::GestureType type) const; - const QGesture* gesture(const QString &type) const; - QList<QGesture*> gestures() const; - void setGestures(const QList<QGesture*> &gestures); - void setGestures(const QSet<QGesture*> &gestures); - - QSet<QString> cancelledGestures() const; - void setCancelledGestures(const QSet<QString> &cancelledGestures); - - void acceptAll(); -#ifndef Q_NO_USING_KEYWORD - using QEvent::accept; -#else - inline void accept() { QEvent::accept(); } -#endif - void accept(Qt::GestureType type); - void accept(const QString &type); - - QPointF mapToScene(const QPoint &point) const; - QPolygonF mapToScene(const QRect &rect) const; - QPointF mapToItem(const QPoint &point, QGraphicsItem *item) const; - QPolygonF mapToItem(const QRect &rect, QGraphicsItem *item) const; - -protected: - QHash<QString, QGesture*> m_gestures; - QSet<QString> m_cancelledGestures; -}; - #endif // QT_NO_GRAPHICSVIEW QT_END_NAMESPACE diff --git a/src/gui/graphicsview/qgraphicsview.cpp b/src/gui/graphicsview/qgraphicsview.cpp index a2adf82..56a69f7 100644 --- a/src/gui/graphicsview/qgraphicsview.cpp +++ b/src/gui/graphicsview/qgraphicsview.cpp @@ -2658,9 +2658,6 @@ bool QGraphicsView::event(QEvent *event) } } break; - case QEvent::Gesture: - viewportEvent(event); - return true; default: break; } @@ -2742,17 +2739,6 @@ bool QGraphicsView::viewportEvent(QEvent *event) d->scene->d_func()->updateAll = false; } break; - case QEvent::Gesture: { - QGraphicsSceneGestureEvent gestureEvent; - gestureEvent.setWidget(this); - QGestureEvent *ev = static_cast<QGestureEvent*>(event); - gestureEvent.setGestures(ev->gestures()); - gestureEvent.setCancelledGestures(ev->cancelledGestures()); - QApplication::sendEvent(d->scene, &gestureEvent); - event->setAccepted(gestureEvent.isAccepted()); - return true; - } - break; case QEvent::TouchBegin: case QEvent::TouchUpdate: case QEvent::TouchEnd: diff --git a/src/gui/kernel/kernel.pri b/src/gui/kernel/kernel.pri index 2917592..e6eff6e 100644 --- a/src/gui/kernel/kernel.pri +++ b/src/gui/kernel/kernel.pri @@ -44,12 +44,8 @@ HEADERS += \ kernel/qkeymapper_p.h \ kernel/qgesture.h \ kernel/qgesture_p.h \ - kernel/qgesturemanager_p.h \ - kernel/qgesturerecognizer_p.h \ - kernel/qgesturerecognizer.h \ - kernel/qgesturestandardrecognizers_p.h \ - kernel/qdirectionrecognizer_p.h \ - kernel/qdirectionsimplificator_p.h + kernel/qstandardgestures.h \ + kernel/qstandardgestures_p.h SOURCES += \ kernel/qaction.cpp \ @@ -80,10 +76,7 @@ SOURCES += \ kernel/qwidgetaction.cpp \ kernel/qkeymapper.cpp \ kernel/qgesture.cpp \ - kernel/qgesturemanager.cpp \ - kernel/qgesturerecognizer.cpp \ - kernel/qgesturestandardrecognizers.cpp \ - kernel/qdirectionrecognizer.cpp + kernel/qstandardgestures.cpp win32 { DEFINES += QT_NO_DIRECTDRAW diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp index a7b7a0a..0e8978f 100644 --- a/src/gui/kernel/qapplication.cpp +++ b/src/gui/kernel/qapplication.cpp @@ -90,8 +90,6 @@ #include "qapplication.h" -#include <private/qgesturemanager_p.h> - #ifdef Q_WS_WINCE #include "qdatetime.h" #include "qguifunctions_wince.h" @@ -137,14 +135,6 @@ int QApplicationPrivate::autoMaximizeThreshold = -1; bool QApplicationPrivate::autoSipEnabled = false; #endif -QGestureManager* QGestureManager::instance() -{ - QApplicationPrivate *d = qApp->d_func(); - if (!d->gestureManager) - d->gestureManager = new QGestureManager(qApp); - return d->gestureManager; -} - QApplicationPrivate::QApplicationPrivate(int &argc, char **argv, QApplication::Type type) : QCoreApplicationPrivate(argc, argv) { @@ -168,8 +158,6 @@ QApplicationPrivate::QApplicationPrivate(int &argc, char **argv, QApplication::T directPainters = 0; #endif - gestureManager = 0; - if (!self) self = this; } @@ -3595,14 +3583,6 @@ bool QApplication::notify(QObject *receiver, QEvent *e) #endif // !QT_NO_WHEELEVENT || !QT_NO_TABLETEVENT } - if (!d->grabbedGestures.isEmpty() && e->spontaneous() && receiver->isWidgetType()) { - const QEvent::Type t = e->type(); - if (t != QEvent::Gesture && t != QEvent::GraphicsSceneGesture) { - if (QGestureManager::instance()->filterEvent(static_cast<QWidget*>(receiver), e)) - return true; - } - } - // User input and window activation makes tooltips sleep switch (e->type()) { case QEvent::Wheel: @@ -4061,6 +4041,19 @@ bool QApplication::notify(QObject *receiver, QEvent *e) touchEvent->setAccepted(eventAccepted); break; } + case QEvent::WinGesture: + { + // only propagate the first gesture event (after the GID_BEGIN) + QWidget *w = static_cast<QWidget *>(receiver); + while (w) { + e->ignore(); + res = d->notify_helper(w, e); + if ((res && e->isAccepted()) || w->isWindow()) + break; + w = w->parentWidget(); + } + break; + } default: res = d->notify_helper(receiver, e); break; @@ -5057,57 +5050,6 @@ bool QApplicationPrivate::shouldSetFocus(QWidget *w, Qt::FocusPolicy policy) return true; } -/*! - \since 4.6 - - Adds custom gesture \a recognizer object. - - Qt takes ownership of the provided \a recognizer. - - \sa QGestureEvent -*/ -void QApplication::addGestureRecognizer(QGestureRecognizer *recognizer) -{ - QGestureManager::instance()->addRecognizer(recognizer); -} - -/*! - \since 4.6 - - Removes custom gesture \a recognizer object. - - \sa QGestureEvent -*/ -void QApplication::removeGestureRecognizer(QGestureRecognizer *recognizer) -{ - Q_D(QApplication); - if (!d->gestureManager) - return; - d->gestureManager->removeRecognizer(recognizer); -} - -/*! - \property QApplication::eventDeliveryDelayForGestures - \since 4.6 - - Specifies the \a delay before input events are delivered to the - gesture enabled widgets. - - The delay allows to postpone widget's input event handling until - gestures framework can successfully recognize a gesture. - - \sa QWidget::grabGesture() -*/ -void QApplication::setEventDeliveryDelayForGestures(int delay) -{ - QGestureManager::instance()->setEventDeliveryDelay(delay); -} - -int QApplication::eventDeliveryDelayForGestures() -{ - return QGestureManager::instance()->eventDeliveryDelay(); -} - /*! \fn QDecoration &QApplication::qwsDecoration() Return the QWSDecoration used for decorating windows. diff --git a/src/gui/kernel/qapplication.h b/src/gui/kernel/qapplication.h index 954f824..19ae085 100644 --- a/src/gui/kernel/qapplication.h +++ b/src/gui/kernel/qapplication.h @@ -71,7 +71,6 @@ class QStyle; class QEventLoop; class QIcon; class QInputContext; -class QGestureRecognizer; template <typename T> class QList; class QLocale; #if defined(Q_WS_QWS) @@ -107,7 +106,6 @@ class Q_GUI_EXPORT QApplication : public QCoreApplication Q_PROPERTY(int autoMaximizeThreshold READ autoMaximizeThreshold WRITE setAutoMaximizeThreshold) Q_PROPERTY(bool autoSipEnabled READ autoSipEnabled WRITE setAutoSipEnabled) #endif - Q_PROPERTY(int eventDeliveryDelayForGestures READ eventDeliveryDelayForGestures WRITE setEventDeliveryDelayForGestures) public: enum Type { Tty, GuiClient, GuiServer }; @@ -268,12 +266,6 @@ public: static bool keypadNavigationEnabled(); #endif - void addGestureRecognizer(QGestureRecognizer *recognizer); - void removeGestureRecognizer(QGestureRecognizer *recognizer); - - void setEventDeliveryDelayForGestures(int delay); - int eventDeliveryDelayForGestures(); - Q_SIGNALS: void lastWindowClosed(); void focusChanged(QWidget *old, QWidget *now); @@ -382,7 +374,6 @@ private: friend class QDirectPainter; friend class QDirectPainterPrivate; #endif - friend class QGestureManager; #if defined(Q_WS_WIN) friend QApplicationPrivate* getQApplicationPrivateInternal(); diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h index 4b2bf15..db77b07 100644 --- a/src/gui/kernel/qapplication_p.h +++ b/src/gui/kernel/qapplication_p.h @@ -193,7 +193,109 @@ extern "C" { typedef BOOL (WINAPI *qt_RegisterTouchWindowPtr)(HWND, ULONG); typedef BOOL (WINAPI *qt_GetTouchInputInfoPtr)(HANDLE, UINT, PVOID, int); typedef BOOL (WINAPI *qt_CloseTouchInputHandlePtr)(HANDLE); -#endif + +#ifndef WM_GESTURE + +#define WM_GESTURE 0x0119 +#define WM_GESTURE_NOTIFY 0x011A + +DECLARE_HANDLE(HGESTUREINFO); + +#define GF_BEGIN 0x00000001 +#define GF_INERTIA 0x00000002 +#define GF_END 0x00000004 + +/* + * Gesture IDs + */ +#define GID_BEGIN 1 +#define GID_END 2 +#define GID_ZOOM 3 +#define GID_PAN 4 +#define GID_ROTATE 5 +#define GID_TWOFINGERTAP 6 +#define GID_ROLLOVER 7 + +typedef struct tagGESTUREINFO { + UINT cbSize; // size, in bytes, of this structure (including variable length Args field) + DWORD dwFlags; // see GF_* flags + DWORD dwID; // gesture ID, see GID_* defines + HWND hwndTarget; // handle to window targeted by this gesture + POINTS ptsLocation; // current location of this gesture + DWORD dwInstanceID; // internally used + DWORD dwSequenceID; // internally used + ULONGLONG ullArguments; // arguments for gestures whose arguments fit in 8 BYTES + UINT cbExtraArgs; // size, in bytes, of extra arguments, if any, that accompany this gesture +} GESTUREINFO, *PGESTUREINFO; +typedef GESTUREINFO const * PCGESTUREINFO; + +typedef struct tagGESTURENOTIFYSTRUCT { + UINT cbSize; // size, in bytes, of this structure + DWORD dwFlags; // unused + HWND hwndTarget; // handle to window targeted by the gesture + POINTS ptsLocation; // starting location + DWORD dwInstanceID; // internally used +} GESTURENOTIFYSTRUCT, *PGESTURENOTIFYSTRUCT; + +/* + * Gesture argument helpers + * - Angle should be a double in the range of -2pi to +2pi + * - Argument should be an unsigned 16-bit value + */ +#define GID_ROTATE_ANGLE_TO_ARGUMENT(_arg_) ((USHORT)((((_arg_) + 2.0 * 3.14159265) / (4.0 * 3.14159265)) * 65535.0)) +#define GID_ROTATE_ANGLE_FROM_ARGUMENT(_arg_) ((((double)(_arg_) / 65535.0) * 4.0 * 3.14159265) - 2.0 * 3.14159265) + +typedef struct tagGESTURECONFIG { + DWORD dwID; // gesture ID + DWORD dwWant; // settings related to gesture ID that are to be turned on + DWORD dwBlock; // settings related to gesture ID that are to be turned off +} GESTURECONFIG, *PGESTURECONFIG; + +#define GC_ALLGESTURES 0x00000001 +#define GC_ZOOM 0x00000001 +#define GC_PAN 0x00000001 +#define GC_PAN_WITH_SINGLE_FINGER_VERTICALLY 0x00000002 +#define GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY 0x00000004 +#define GC_PAN_WITH_GUTTER 0x00000008 +#define GC_PAN_WITH_INERTIA 0x00000010 +#define GC_ROTATE 0x00000001 +#define GC_TWOFINGERTAP 0x00000001 +#define GC_ROLLOVER 0x00000001 +#define GESTURECONFIGMAXCOUNT 256 // Maximum number of gestures that can be included + // in a single call to SetGestureConfig / GetGestureConfig + + + +#define GCF_INCLUDE_ANCESTORS 0x00000001 // If specified, GetGestureConfig returns consolidated configuration + // for the specified window and it's parent window chain + +typedef BOOL (*PtrGetGestureInfo)(HGESTUREINFO hGestureInfo, PGESTUREINFO pGestureInfo); +typedef BOOL (*PtrGetGestureExtraArgs)(HGESTUREINFO hGestureInfo, UINT cbExtraArgs, PBYTE pExtraArgs); +typedef BOOL (*PtrCloseGestureInfoHandle)(HGESTUREINFO hGestureInfo); +typedef BOOL (*PtrSetGestureConfig)(HWND hwnd, DWORD dwReserved, UINT cIDs, + PGESTURECONFIG pGestureConfig, + UINT cbSize); +typedef BOOL (*PtrGetGestureConfig)(HWND hwnd, DWORD dwReserved, + DWORD dwFlags, PUINT pcIDs, + PGESTURECONFIG pGestureConfig, + UINT cbSize); + +typedef BOOL (*PtrBeginPanningFeedback)(HWND hwnd); +typedef BOOL (*PtrUpdatePanningFeedback)(HWND hwnd, LONG, LONG, BOOL); +typedef BOOL (*PtrEndPanningFeedback)(HWND hwnd, BOOL); + +#endif // WM_GESTURE +#endif // Q_WS_WIN + +class QPanGesture; +class QPinchGesture; +struct StandardGestures +{ + QPanGesture *pan; + QPinchGesture *pinch; + StandardGestures() : pan(0), pinch(0) { } +}; + class QScopedLoopLevelCounter { @@ -439,10 +541,6 @@ public: void sendSyntheticEnterLeave(QWidget *widget); #endif - QGestureManager *gestureManager; - // map<gesture name -> number of widget subscribed to it> - QMap<QString, int> grabbedGestures; - QMap<int, QWidget *> widgetForTouchPointId; QMap<int, QTouchEvent::TouchPoint> appCurrentTouchPoints; static void updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent); @@ -465,6 +563,19 @@ public: QHash<DWORD, int> touchInputIDToTouchPointID; QList<QTouchEvent::TouchPoint> appAllTouchPoints; bool translateTouchEvent(const MSG &msg); + + typedef QMap<QWidget*, StandardGestures> WidgetStandardGesturesMap; + WidgetStandardGesturesMap widgetGestures; + ulong lastGestureId; + + PtrGetGestureInfo GetGestureInfo; + PtrGetGestureExtraArgs GetGestureExtraArgs; + PtrCloseGestureInfoHandle CloseGestureInfoHandle; + PtrSetGestureConfig SetGestureConfig; + PtrGetGestureConfig GetGestureConfig; + PtrBeginPanningFeedback BeginPanningFeedback; + PtrUpdatePanningFeedback UpdatePanningFeedback; + PtrEndPanningFeedback EndPanningFeedback; #endif #ifdef QT_RX71_MULTITOUCH diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp index e1af0f7..13f19a3 100644 --- a/src/gui/kernel/qapplication_win.cpp +++ b/src/gui/kernel/qapplication_win.cpp @@ -89,6 +89,8 @@ extern void qt_wince_hide_taskbar(HWND hwnd); //defined in qguifunctions_wince.c #include <private/qkeymapper_p.h> #include <private/qlocale_p.h> #include "qevent_p.h" +#include "qstandardgestures.h" +#include "qstandardgestures_p.h" //#define ALIEN_DEBUG @@ -451,6 +453,7 @@ public: bool translateConfigEvent(const MSG &msg); bool translateCloseEvent(const MSG &msg); bool translateTabletEvent(const MSG &msg, PACKET *localPacketBuf, int numPackets); + bool translateGestureEvent(const MSG &msg); void repolishStyle(QStyle &style); inline void showChildren(bool spontaneous) { d_func()->showChildren(spontaneous); } inline void hideChildren(bool spontaneous) { d_func()->hideChildren(spontaneous); } @@ -809,6 +812,33 @@ void qt_init(QApplicationPrivate *priv, int) QLibrary::resolve(QLatin1String("user32"), "SetProcessDPIAware")) ptrSetProcessDPIAware(); #endif + + priv->lastGestureId = 0; + + priv->GetGestureInfo = + (PtrGetGestureInfo)QLibrary::resolve(QLatin1String("user32"), + "GetGestureInfo"); + priv->GetGestureExtraArgs = + (PtrGetGestureExtraArgs)QLibrary::resolve(QLatin1String("user32"), + "GetGestureExtraArgs"); + priv->CloseGestureInfoHandle = + (PtrCloseGestureInfoHandle)QLibrary::resolve(QLatin1String("user32"), + "CloseGestureInfoHandle"); + priv->SetGestureConfig = + (PtrSetGestureConfig)QLibrary::resolve(QLatin1String("user32"), + "SetGestureConfig"); + priv->GetGestureConfig = + (PtrGetGestureConfig)QLibrary::resolve(QLatin1String("user32"), + "GetGestureConfig"); + priv->BeginPanningFeedback = + (PtrBeginPanningFeedback)QLibrary::resolve(QLatin1String("uxtheme"), + "BeginPanningFeedback"); + priv->UpdatePanningFeedback = + (PtrUpdatePanningFeedback)QLibrary::resolve(QLatin1String("uxtheme"), + "UpdatePanningFeedback"); + priv->EndPanningFeedback = + (PtrEndPanningFeedback)QLibrary::resolve(QLatin1String("uxtheme"), + "EndPanningFeedback"); } /***************************************************************************** @@ -2469,6 +2499,10 @@ LRESULT CALLBACK QtWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam } result = false; break; + case WM_GESTURE: + widget->translateGestureEvent(msg); + result = true; + break; default: result = false; // event was not processed break; @@ -3649,6 +3683,60 @@ bool QETWidget::translateCloseEvent(const MSG &) return d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent); } +bool QETWidget::translateGestureEvent(const MSG &msg) +{ + GESTUREINFO gi; + gi.cbSize = sizeof(GESTUREINFO); + gi.dwFlags = 0; + gi.ptsLocation.x = 0; + gi.ptsLocation.y = 0; + gi.dwID = 0; + gi.dwInstanceID = 0; + gi.dwSequenceID = 0; + + QApplicationPrivate *qAppPriv = getQApplicationPrivateInternal(); + BOOL bResult = qAppPriv->GetGestureInfo((HGESTUREINFO)msg.lParam, &gi); + + const QPoint widgetPos = QPoint(gi.ptsLocation.x, gi.ptsLocation.y); + QWidget *alienWidget = !internalWinId() ? this : childAt(widgetPos); + if (alienWidget && alienWidget->internalWinId()) + alienWidget = 0; + QWidget *widget = alienWidget ? alienWidget : this; + + QWinGestureEvent event; + event.sequenceId = gi.dwSequenceID; + event.position = QPoint(gi.ptsLocation.x, gi.ptsLocation.y); + if (bResult) { + switch (gi.dwID) { + case GID_BEGIN: + // we are not interested in this type of event. + break; + case GID_END: + event.gestureType = QWinGestureEvent::GestureEnd; + break; + case GID_ZOOM: + event.gestureType = QWinGestureEvent::Pinch; + break; + case GID_PAN: + event.gestureType = QWinGestureEvent::Pan; + break; + case GID_ROTATE: + case GID_TWOFINGERTAP: + case GID_ROLLOVER: + default: + break; + } + if (event.gestureType != QWinGestureEvent::None) + qt_sendSpontaneousEvent(widget, &event); + } else { + DWORD dwErr = GetLastError(); + if (dwErr > 0) + qWarning() << "translateGestureEvent: error = " << dwErr; + } + qAppPriv->CloseGestureInfoHandle((HGESTUREINFO)msg.lParam); + return true; +} + void QApplication::setCursorFlashTime(int msecs) { @@ -3830,6 +3918,7 @@ void QSessionManager::cancel() #endif //QT_NO_SESSIONMANAGER + qt_RegisterTouchWindowPtr QApplicationPrivate::RegisterTouchWindow = 0; qt_GetTouchInputInfoPtr QApplicationPrivate::GetTouchInputInfo = 0; qt_CloseTouchInputHandlePtr QApplicationPrivate::CloseTouchInputHandle = 0; diff --git a/src/gui/kernel/qdirectionrecognizer.cpp b/src/gui/kernel/qdirectionrecognizer.cpp deleted file mode 100644 index a1bc5b1..0000000 --- a/src/gui/kernel/qdirectionrecognizer.cpp +++ /dev/null @@ -1,182 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qdirectionrecognizer_p.h" - -#include <math.h> - -#ifndef M_PI -#define M_PI 3.141592653589793238462643 -#endif - -QT_BEGIN_NAMESPACE - -enum { - DistanceDelta = 20 -}; - -QDirectionSimpleRecognizer::QDirectionSimpleRecognizer() -{ -} - -Direction QDirectionSimpleRecognizer::addPosition(const QPoint &pos) -{ - if (!directions.isEmpty()) { - const QPoint tmp = pos - directions.back().point; - if (tmp.manhattanLength() < 5) - return Direction(); - } - if (lastPoint.isNull()) { - lastPoint = pos; - return Direction(); - } - int dx = pos.x() - lastPoint.x(); - int dy = pos.y() - lastPoint.y(); - Qt::DirectionType direction = Qt::NoDirection; - if (dx < 0) { - if (-1*dx >= DistanceDelta/2) - direction = Qt::LeftDirection; - } else { - if (dx >= DistanceDelta/2) - direction = Qt::RightDirection; - } - if (dy < 0) { - if (-1*dy >= DistanceDelta/2) - direction = Qt::UpDirection; - } else { - if (dy >= DistanceDelta/2) - direction = Qt::DownDirection; - } - if (direction == Qt::NoDirection) - return Direction(); - - lastPoint = pos; - directions.push_back(Direction(direction, pos)); - return Direction(direction, pos); -} - - -DirectionList QDirectionSimpleRecognizer::getDirections() const -{ - return directions; -} - -void QDirectionSimpleRecognizer::reset() -{ - directions.clear(); - lastPoint = QPoint(); -} - - -/// QDirectionDiagonalRecognizer - -QDirectionDiagonalRecognizer::QDirectionDiagonalRecognizer() -{ -} - -Direction QDirectionDiagonalRecognizer::addPosition(const QPoint &pos) -{ - if (!directions.isEmpty()) { - const QPoint tmp = pos - directions.back().point; - if (tmp.manhattanLength() < 5) - return Direction(); - } - if (lastPoint.isNull()) { - lastPoint = pos; - return Direction(); - } - int dx = pos.x() - lastPoint.x(); - int dy = pos.y() - lastPoint.y(); - int distance = sqrt(static_cast<double>(dx*dx + dy*dy)); - if (distance < DistanceDelta/2) - return Direction(); - - Qt::DirectionType direction = Qt::NoDirection; - double angle = atan(1.0*qAbs(lastPoint.y() - pos.y())/qAbs(pos.x() - lastPoint.x())) * 180. / M_PI; - if (dx < 0 && dy <= 0) { - angle = 180 - angle; - } else if (dx <= 0 && dy > 0) { - angle += 180; - } else if (dx > 0 && dy > 0) { - angle = 360-angle; - } - if (angle < 0) - angle += 360; - if (angle <= 20) - direction = Qt::RightDirection; - else if (angle <= 65) - direction = Qt::RightUpDirection; - else if (angle <= 110) - direction = Qt::UpDirection; - else if (angle <= 155) - direction = Qt::LeftUpDirection; - else if (angle <= 200) - direction = Qt::LeftDirection; - else if (angle <= 245) - direction = Qt::LeftDownDirection; - else if (angle <= 290) - direction = Qt::DownDirection; - else if (angle <= 335) - direction = Qt::RightDownDirection; - else - direction = Qt::RightDirection; - - if (direction == Qt::NoDirection) - return Direction(); - - lastPoint = pos; - directions.push_back(Direction(direction, pos)); - return Direction(direction, pos); -} - - -DirectionList QDirectionDiagonalRecognizer::getDirections() const -{ - return directions; -} - -void QDirectionDiagonalRecognizer::reset() -{ - directions.clear(); - lastPoint = QPoint(); -} - -QT_END_NAMESPACE diff --git a/src/gui/kernel/qdirectionrecognizer_p.h b/src/gui/kernel/qdirectionrecognizer_p.h deleted file mode 100644 index 12307c6..0000000 --- a/src/gui/kernel/qdirectionrecognizer_p.h +++ /dev/null @@ -1,105 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QDIRECTIONRECOGNIZER_P_H -#define QDIRECTIONRECOGNIZER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qpoint.h" -#include "qlist.h" - -QT_BEGIN_NAMESPACE - -struct Direction -{ - Qt::DirectionType direction; - QPoint point; - - Direction(Qt::DirectionType dir, const QPoint &pt) - : direction(dir), point(pt) { } - Direction() - : direction(Qt::NoDirection) { } - - inline bool isEmpty() const { return direction == Qt::NoDirection; } - inline bool isNull() const { return direction == Qt::NoDirection; } -}; - -typedef QList<Direction> DirectionList; - -class QDirectionSimpleRecognizer -{ -public: - QDirectionSimpleRecognizer(); - Direction addPosition(const QPoint &pos); - DirectionList getDirections() const; - void reset(); - -private: - QPoint lastPoint; - DirectionList directions; -}; - -class QDirectionDiagonalRecognizer -{ -public: - QDirectionDiagonalRecognizer(); - Direction addPosition(const QPoint &pos); - DirectionList getDirections() const; - void reset(); - -private: - QPoint lastPoint; - DirectionList directions; -}; - -QT_END_NAMESPACE - -#endif // QDIRECTIONRECOGNIZER_P_H diff --git a/src/gui/kernel/qdirectionsimplificator_p.h b/src/gui/kernel/qdirectionsimplificator_p.h deleted file mode 100644 index d7491dc..0000000 --- a/src/gui/kernel/qdirectionsimplificator_p.h +++ /dev/null @@ -1,172 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QDIRECTIONSIMPLIFICATOR_P_H -#define QDIRECTIONSIMPLIFICATOR_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "private/qdirectionrecognizer_p.h" - -QT_BEGIN_NAMESPACE - -class QDirectionSimplificator -{ -public: - QDirectionSimplificator(const DirectionList &dir); - - bool simplify(DirectionList *result); - -private: - DirectionList directions; - DirectionList lastResult; - enum State { - None, - Trim, // remove first and last element - AccidentalMoves, // 66866 => 6666 - ComplexAccidentalMoves, // 778788 => 777888 (swapping elements without changing direction) - ShortMoves, // (moves of length 1) - } state; - - struct SimplifyTrim - { - SimplifyTrim() : state(0) { } - bool operator()(DirectionList &directions) - { - if (state == 0) { - directions.removeFirst(); - state = 1; - } else if (state == 1) { - directions.removeLast(); - state = 2; - } else if (state == 2 && directions.size() >= 2) { - directions.removeFirst(); - directions.removeLast(); - state = 3; - } else { - return false; - } - return true; - } - int state; - }; - struct SimplifyAccidentalMoves - { - SimplifyAccidentalMoves() : state(0) { } - bool operator()(DirectionList &directions) - { - return false; - } - int state; - }; - struct SimplifyComplexAccidentalMoves - { - SimplifyComplexAccidentalMoves() : state(0) { } - bool operator()(DirectionList &directions) - { - return false; - } - int state; - }; - - SimplifyTrim trim; - SimplifyAccidentalMoves accidentalMoves; - SimplifyComplexAccidentalMoves complexAccidentalMoves; - //SimplifyShortMoves shortMoves; -}; - -QDirectionSimplificator::QDirectionSimplificator(const DirectionList &dir) - : directions(dir), state(None) -{ -} - -bool QDirectionSimplificator::simplify(DirectionList *result) -{ - if (directions.isEmpty() || !result) - return false; - *result = directions; - switch(state) { - case None: - state = Trim; - trim = SimplifyTrim(); - case Trim: - if (trim(*result)) - break; - *result = lastResult; - state = AccidentalMoves; - accidentalMoves = SimplifyAccidentalMoves(); - case AccidentalMoves: - if (accidentalMoves(*result)) - break; - *result = lastResult; - state = ComplexAccidentalMoves; - complexAccidentalMoves = SimplifyComplexAccidentalMoves(); - case ComplexAccidentalMoves: - if (complexAccidentalMoves(*result)) - break; - *result = lastResult; - // state = ShortMoves; - // shortMoves = SimplifyShortMoves(); - // case ShortMoves: - // if (shortMoves(*result)) - // break; - // state = None; - default: - return false; - } - lastResult = *result; - if (lastResult.isEmpty()) - return false; - return true; -} - -QT_END_NAMESPACE - -#endif // QDIRECTIONSIMPLIFICATOR_P_H diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp index a7a7f2d..bef7ee1 100644 --- a/src/gui/kernel/qevent.cpp +++ b/src/gui/kernel/qevent.cpp @@ -53,8 +53,6 @@ QT_BEGIN_NAMESPACE -QString qt_getStandardGestureTypeName(Qt::GestureType type); - /*! \class QInputEvent \ingroup events @@ -3332,9 +3330,6 @@ QDebug operator<<(QDebug dbg, const QEvent *e) { case QEvent::ChildRemoved: n = n ? n : "ChildRemoved"; dbg.nospace() << "QChildEvent(" << n << ", " << (static_cast<const QChildEvent*>(e))->child(); return dbg.space(); - case QEvent::Gesture: - n = "Gesture"; - break; default: dbg.nospace() << "QEvent(" << (const void *)e << ", type = " << e->type() << ')'; return dbg.space(); @@ -3531,157 +3526,6 @@ QMenubarUpdatedEvent::QMenubarUpdatedEvent(QMenuBar * const menuBar) #endif -/*! - \class QGestureEvent - \since 4.6 - \ingroup events - - \brief The QGestureEvent class provides the parameters used for - gesture recognition. - - The QGestureEvent class contains a list of gestures that are being - executed right now (\l{QGestureEvent::}{gestureTypes()}) and a - list of gestures that are cancelled (the gesture might be - cancelled because the window lost focus, or because of timeout, - etc). - - \sa QGesture -*/ - -/*! - Creates new QGestureEvent containing a list of \a gestures that - are being executed and a list of gesture that were cancelled (\a - cancelledGestures). -*/ -QGestureEvent::QGestureEvent(const QSet<QGesture*> &gestures, - const QSet<QString> &cancelledGestures) - : QEvent(QEvent::Gesture), m_cancelledGestures(cancelledGestures) -{ - setAccepted(false); - foreach(QGesture *r, gestures) - m_gestures.insert(r->type(), r); -} - -/*! - Destroys the QGestureEvent object. -*/ -QGestureEvent::~QGestureEvent() -{ -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGestureEvent::contains(Qt::GestureType type) const -{ - return contains(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns true if the gesture event contains gesture of specific \a - type; returns false otherwise. -*/ -bool QGestureEvent::contains(const QString &type) const -{ - return gesture(type) != 0; -} - -/*! - Returns a list of gesture names that this event contains. -*/ -QList<QString> QGestureEvent::gestureTypes() const -{ - return m_gestures.keys(); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGestureEvent::gesture(Qt::GestureType type) const -{ - return gesture(qt_getStandardGestureTypeName(type)); -} - -/*! - Returns extended information about a gesture of specific \a type. -*/ -const QGesture* QGestureEvent::gesture(const QString &type) const -{ - return m_gestures.value(type, 0); -} - -/*! - Returns extended information about all gestures in the event. -*/ -QList<QGesture*> QGestureEvent::gestures() const -{ - return m_gestures.values(); -} - -/*! - Returns a set of gesture names that used to be executed, but were - cancelled (i.e. they were not finished properly). -*/ -QSet<QString> QGestureEvent::cancelledGestures() const -{ - return m_cancelledGestures; -} - -/*! \fn void QGestureEvent::accept() - Calls QEvent::accept(). -*/ - -/*! - Sets the accept flag of the all gestures inside the event object, - the equivalent of calling \l{QEvent::accept()}{accept()} or - \l{QEvent::setAccepted()}{setAccepted(true)}. - - Setting the accept parameter indicates that the event receiver - wants the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGestureEvent::acceptAll() -{ - QHash<QString, QGesture*>::iterator it = m_gestures.begin(), - e = m_gestures.end(); - for(; it != e; ++it) - it.value()->accept(); - setAccepted(true); -} - -/*! - Sets the accept flag of the gesture specified by \a type. - This is equivalent to calling - \l{QGestureEvent::gesture()}{gesture(type)}-> - \l{QGesture::accept()}{accept()} - - Setting the accept flag indicates that the event receiver wants - the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGestureEvent::accept(Qt::GestureType type) -{ - if (QGesture *g = m_gestures.value(qt_getStandardGestureTypeName(type), 0)) - g->accept(); -} - -/*! - Sets the accept flag of the gesture specified by \a type. - This is equivalent to calling - \l{QGestureEvent::gesture()}{gesture(type)}-> - \l{QGesture::accept()}{accept()} - - Setting the accept flag indicates that the event receiver wants - the gesture. Unwanted gestures might be propagated to the parent - widget. -*/ -void QGestureEvent::accept(const QString &type) -{ - if (QGesture *g = m_gestures.value(type, 0)) - g->accept(); -} - /*! \class QTouchEvent \brief The QTouchEvent class contains parameters that describe a touch event . diff --git a/src/gui/kernel/qevent.h b/src/gui/kernel/qevent.h index 136dd7f..11843cb 100644 --- a/src/gui/kernel/qevent.h +++ b/src/gui/kernel/qevent.h @@ -714,41 +714,6 @@ private: }; #endif -class Q_GUI_EXPORT QGestureEvent : public QEvent -{ -public: - QGestureEvent(const QSet<QGesture*> &gestures, - const QSet<QString> &cancelledGestures = QSet<QString>()); - ~QGestureEvent(); - - bool contains(Qt::GestureType type) const; - bool contains(const QString &type) const; - - QList<QString> gestureTypes() const; - - const QGesture* gesture(Qt::GestureType type) const; - const QGesture* gesture(const QString &type) const; - QList<QGesture*> gestures() const; - - QSet<QString> cancelledGestures() const; - - void acceptAll(); -#ifndef Q_NO_USING_KEYWORD - using QEvent::accept; -#else - inline void accept() { QEvent::accept(); } -#endif - void accept(Qt::GestureType type); - void accept(const QString &type); - -protected: - QHash<QString, QGesture*> m_gestures; - QSet<QString> m_cancelledGestures; - - friend class QApplication; - friend class QGestureManager; -}; - #ifndef QT_NO_DEBUG_STREAM Q_GUI_EXPORT QDebug operator<<(QDebug, const QEvent *); #endif diff --git a/src/gui/kernel/qevent_p.h b/src/gui/kernel/qevent_p.h index 8a2bb05..67441ea 100644 --- a/src/gui/kernel/qevent_p.h +++ b/src/gui/kernel/qevent_p.h @@ -119,6 +119,22 @@ public: qreal pressure; }; +class QWinGestureEvent : public QEvent +{ +public: + enum Type { + None, + GestureEnd, + Pan, + Pinch + }; + + QWinGestureEvent() : QEvent(QEvent::WinGesture), gestureType(None), sequenceId(0) { } + Type gestureType; + QPoint position; + ulong sequenceId; +}; + QT_END_NAMESPACE #endif // QEVENT_P_H diff --git a/src/gui/kernel/qgesture.cpp b/src/gui/kernel/qgesture.cpp index ff369e2..32a219c 100644 --- a/src/gui/kernel/qgesture.cpp +++ b/src/gui/kernel/qgesture.cpp @@ -41,190 +41,166 @@ #include "qgesture.h" #include <private/qgesture_p.h> +#include "qgraphicsitem.h" QT_BEGIN_NAMESPACE -QString qt_getStandardGestureTypeName(Qt::GestureType type); + +class QEventFilterProxyGraphicsItem : public QGraphicsItem +{ +public: + QEventFilterProxyGraphicsItem(QGesture *g) + : gesture(g) + { + } + bool sceneEventFilter(QGraphicsItem *, QEvent *event) + { + return gesture ? gesture->filterEvent(event) : false; + } + QRectF boundingRect() const { return QRectF(); } + void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) { } + +private: + QGesture *gesture; +}; /*! \class QGesture \since 4.6 - \brief The QGesture class represents a gesture, containing all - properties that describe a gesture. - - The widget receives a QGestureEvent with a list of QGesture - objects that represent gestures that are occuring on it. The class - has a list of properties that can be queried by the user to get - some gesture-specific arguments (i.e. position of the tap in the - DoubleTap gesture). - - When creating custom gesture recognizers, they might add new - properties to the gesture object, or custom gesture developers - might subclass the QGesture objects to provide some extended - information. However, if the gesture developer wants to add a new - property to the gesture object that describe coordinate (like a - QPoint or QRect), it is required to subclass the QGesture and - re-implement the \l{QGesture::}{translate()} function to make sure - the coordinates are translated properly when the gesture event is - propagated to parent widgets. - - \sa QGestureEvent, QGestureRecognizer -*/ + \brief The QGesture class is the base class for implementing custom + gestures. -/*! - Creates a new gesture object of type \a type in a \a state and - marks it as a child of \a parent. + This class represents both an object that recognizes a gesture out of a set + of input events (a gesture recognizer), and a gesture object itself that + can be used to get extended information about the triggered gesture. - Usually QGesture objects should only be contructed by the - QGestureRecognizer classes. -*/ -QGesture::QGesture(QObject *parent, const QString &type, Qt::GestureState state) - : QObject(*new QGesturePrivate, parent), m_accept(0) -{ - Q_D(QGesture); - d->type = type; - d->state = state; -} + The class has a list of properties that can be queried by the user to get + some gesture-specific parameters (for example, an offset of a Pan gesture). -/*! - Creates a new gesture object of type \a type in a \a state and - marks it as a child of \a parent. - - This constructor also fills some basic information about the - gesture like a \a startPos which describes the start point of the - gesture, \a lastPos - last point where the gesture happened, \a - pos - a current point, \a rect - a bounding rect of the gesture, - \a hotSpot - a center point of the gesture, \a startTime - a time - when the gesture has started, \a duration - how long the gesture - is going on. - - Usually QGesture objects should only be contructed by the - QGestureRecognizer classes. -*/ -QGesture::QGesture(QObject *parent, const QString &type, const QPoint &startPos, - const QPoint &lastPos, const QPoint &pos, const QRect &rect, - const QPoint &hotSpot, const QDateTime &startTime, - uint duration, Qt::GestureState state) - : QObject(*new QGesturePrivate, parent) -{ - Q_D(QGesture); - d->type = type; - d->state = state; - d->init(startPos, lastPos, pos, rect, hotSpot, startTime, duration); -} + Usually gesture recognizer implements a state machine, storing its state + internally in the recognizer object. The recognizer receives input events + through the \l{QGesture::}{filterEvent()} virtual function and decides + whether the event should change the state of the recognizer by emitting an + appropriate signal. -/*! \internal + Input events should be either fed to the recognizer one by one with a + filterEvent() function, or the gesture recognizer should be attached to an + object it filters events for by specifying it as a parent object. The + QGesture object installs itself as an event filter to the parent object + automatically, the unsetObject() function should be used to remove an event + filter from the parent object. To make a + gesture that operates on a QGraphicsItem, both the appropriate QGraphicsView + should be passed as a parent object and setGraphicsItem() functions should + be used to attach a gesture to a graphics item. + + This is a base class, to create a custom gesture type, you should subclass + it and implement its pure virtual functions. + + \sa QPanGesture, QTapAndHoldGesture */ -QGesture::QGesture(QGesturePrivate &dd, QObject *parent, const QString &type, - Qt::GestureState state) - : QObject(dd, parent) -{ - Q_D(QGesture); - d->type = type; - d->state = state; -} -/*! - Destroys the gesture object. +/*! \fn bool QGesture::filterEvent(QEvent *event) + + Parses input \a event and emits a signal when detects a gesture. + + In your reimplementation of this function, if you want to filter the \a + event out, i.e. stop it being handled further, return true; otherwise + return false; + + This is a pure virtual function that needs to be implemented in subclasses. */ -QGesture::~QGesture() -{ -} -/*! - \property QGesture::type +/*! \fn void QGesture::started() - \brief The type of the gesture. + The signal is emitted when the gesture is started. Extended information + about the gesture is contained in the signal sender object. + + In addition to started(), a triggered() signal should also be emitted. */ -QString QGesture::type() const -{ - return d_func()->type; -} +/*! \fn void QGesture::triggered() -/*! - \property QGesture::state + The signal is emitted when the gesture is detected. Extended information + about the gesture is contained in the signal sender object. +*/ - \brief The current state of the gesture. +/*! \fn void QGesture::finished() + + The signal is emitted when the gesture is finished. Extended information + about the gesture is contained in the signal sender object. */ -Qt::GestureState QGesture::state() const -{ - return d_func()->state; -} -/*! - Translates the internal gesture properties that represent - coordinates by \a offset. +/*! \fn void QGesture::cancelled() - Custom gesture recognizer developer have to re-implement this - function if they want to store custom properties that represent - coordinates. + The signal is emitted when the gesture is cancelled, for example the reset() + function is called while the gesture was in the process of emitting a + triggered() signal. Extended information about the gesture is contained in + the sender object. */ -void QGesture::translate(const QPoint &offset) -{ - Q_D(QGesture); - d->rect.translate(offset); - d->hotSpot += offset; - d->startPos += offset; - d->lastPos += offset; - d->pos += offset; -} + /*! - \property QGesture::rect + Creates a new gesture handler object and marks it as a child of \a parent. + + The \a parent object is also the default event source for the gesture, + meaning that the gesture installs itself as an event filter for the \a + parent. - \brief The bounding rect of a gesture. + \sa setGraphicsItem() */ -QRect QGesture::rect() const +QGesture::QGesture(QObject *parent) + : QObject(*new QGesturePrivate, parent) { - return d_func()->rect; + if (parent) + installEventFilter(parent); } -void QGesture::setRect(const QRect &rect) +/*! \internal + */ +QGesture::QGesture(QGesturePrivate &dd, QObject *parent) + : QObject(dd, parent) { - d_func()->rect = rect; + if (parent) + installEventFilter(parent); } /*! - \property QGesture::hotSpot - - \brief The center point of a gesture. + Destroys the gesture object. */ -QPoint QGesture::hotSpot() const +QGesture::~QGesture() { - return d_func()->hotSpot; } -void QGesture::setHotSpot(const QPoint &point) +/*! \internal + */ +bool QGesture::eventFilter(QObject *receiver, QEvent *event) { - d_func()->hotSpot = point; + Q_D(QGesture); + if (d->graphicsItem && receiver == parent()) + return false; + return filterEvent(event); } /*! - \property QGesture::startTime + \property QGesture::state - \brief The time when the gesture has started. + \brief The current state of the gesture. */ -QDateTime QGesture::startTime() const +Qt::GestureState QGesture::state() const { - return d_func()->startTime; + return d_func()->state; } -/*! - \property QGesture::duration - - \brief The duration time of a gesture. -*/ -uint QGesture::duration() const +void QGesture::setState(Qt::GestureState state) { - return d_func()->duration; + d_func()->state = state; } /*! \property QGesture::startPos - \brief The start position of the pointer. + \brief The start position of the gesture (if relevant). */ QPoint QGesture::startPos() const { @@ -239,7 +215,7 @@ void QGesture::setStartPos(const QPoint &point) /*! \property QGesture::lastPos - \brief The last recorded position of the pointer. + \brief The last recorded position of the gesture (if relevant). */ QPoint QGesture::lastPos() const { @@ -254,7 +230,7 @@ void QGesture::setLastPos(const QPoint &point) /*! \property QGesture::pos - \brief The current position of the pointer. + \brief The current position of the gesture (if relevant). */ QPoint QGesture::pos() const { @@ -266,66 +242,48 @@ void QGesture::setPos(const QPoint &point) d_func()->pos = point; } -/*! \fn void QGesture::setAccepted(bool accepted) - Marks the gesture with the value of \a accepted. - */ - -/*! \fn bool QGesture::isAccepted() const - Returns true if the gesture is marked accepted. - */ - -/*! \fn void QGesture::accept() - Marks the gesture accepted. -*/ - -/*! \fn void QGesture::ignore() - Marks the gesture ignored. -*/ - /*! - \class QPanningGesture - \since 4.6 + Sets the \a graphicsItem the gesture is filtering events for. - \brief The QPanningGesture class represents a Pan gesture, - providing additional information related to panning. + The gesture will install an event filter to the \a graphicsItem and + redirect them to the filterEvent() function. - This class is provided for convenience, panning direction - information is also contained in the QGesture object in it's - properties. + \sa graphicsItem() */ - -/*! \internal -*/ -QPanningGesture::QPanningGesture(QObject *parent) - : QGesture(*new QPanningGesturePrivate, parent, - qt_getStandardGestureTypeName(Qt::PanGesture)) -{ -} - -/*! \internal -*/ -QPanningGesture::~QPanningGesture() +void QGesture::setGraphicsItem(QGraphicsItem *graphicsItem) { + Q_D(QGesture); + if (d->graphicsItem && d->eventFilterProxyGraphicsItem) + d->graphicsItem->removeSceneEventFilter(d->eventFilterProxyGraphicsItem); + d->graphicsItem = graphicsItem; + if (!d->eventFilterProxyGraphicsItem) + d->eventFilterProxyGraphicsItem = new QEventFilterProxyGraphicsItem(this); + if (graphicsItem) + graphicsItem->installSceneEventFilter(d->eventFilterProxyGraphicsItem); } /*! - \property QPanningGesture::lastDirection + Returns the graphics item the gesture is filtering events for. - \brief The last recorded direction of panning. + \sa setGraphicsItem() */ -Qt::DirectionType QPanningGesture::lastDirection() const +QGraphicsItem* QGesture::graphicsItem() const { - return d_func()->lastDirection; + return d_func()->graphicsItem; } -/*! - \property QPanningGesture::direction +/*! \fn void QGesture::reset() - \brief The current direction of panning. + Resets the internal state of the gesture. This function might be called by + the filterEvent() implementation in a derived class, or by the user to + cancel a gesture. The base class implementation emits the cancelled() + signal if the state() of the gesture wasn't empty. */ -Qt::DirectionType QPanningGesture::direction() const +void QGesture::reset() { - return d_func()->direction; + if (state() != Qt::NoGesture) + emit cancelled(); + setState(Qt::NoGesture); } QT_END_NAMESPACE diff --git a/src/gui/kernel/qgesture.h b/src/gui/kernel/qgesture.h index f3c95cc..b5abdd2 100644 --- a/src/gui/kernel/qgesture.h +++ b/src/gui/kernel/qgesture.h @@ -55,50 +55,32 @@ QT_BEGIN_NAMESPACE QT_MODULE(Gui) +class QGraphicsItem; class QGesturePrivate; class Q_GUI_EXPORT QGesture : public QObject { Q_OBJECT Q_DECLARE_PRIVATE(QGesture) - Q_PROPERTY(QString type READ type) Q_PROPERTY(Qt::GestureState state READ state) - Q_PROPERTY(QDateTime startTime READ startTime) - Q_PROPERTY(uint duration READ duration) - - Q_PROPERTY(QRect rect READ rect WRITE setRect) - Q_PROPERTY(QPoint hotSpot READ hotSpot WRITE setHotSpot) Q_PROPERTY(QPoint startPos READ startPos WRITE setStartPos) Q_PROPERTY(QPoint lastPos READ lastPos WRITE setLastPos) Q_PROPERTY(QPoint pos READ pos WRITE setPos) public: - QGesture(QObject *parent, const QString &type, - Qt::GestureState state = Qt::GestureStarted); - QGesture(QObject *parent, - const QString &type, const QPoint &startPos, - const QPoint &lastPos, const QPoint &pos, const QRect &rect, - const QPoint &hotSpot, const QDateTime &startTime, - uint duration, Qt::GestureState state); - virtual ~QGesture(); - - inline void setAccepted(bool accepted) { m_accept = accepted; } - inline bool isAccepted() const { return m_accept; } - - inline void accept() { m_accept = true; } - inline void ignore() { m_accept = false; } - - QString type() const; - Qt::GestureState state() const; + explicit QGesture(QObject *parent = 0); + ~QGesture(); + + virtual bool filterEvent(QEvent *event) = 0; + + void setGraphicsItem(QGraphicsItem *); + QGraphicsItem *graphicsItem() const; - QDateTime startTime() const; - uint duration() const; + virtual void reset(); - QRect rect() const; - void setRect(const QRect &rect); - QPoint hotSpot() const; - void setHotSpot(const QPoint &point); + Qt::GestureState state() const; + void setState(Qt::GestureState state); QPoint startPos() const; void setStartPos(const QPoint &point); @@ -108,45 +90,19 @@ public: void setPos(const QPoint &point); protected: - QGesture(QGesturePrivate &dd, QObject *parent, const QString &type, - Qt::GestureState state = Qt::GestureStarted); - virtual void translate(const QPoint &offset); + QGesture(QGesturePrivate &dd, QObject *parent); + bool eventFilter(QObject*, QEvent*); -private: - ushort m_accept : 1; - - friend class QGestureManager; - friend class QApplication; - friend class QGraphicsScene; - friend class QGraphicsScenePrivate; - friend class QGestureRecognizerPan; - friend class QDoubleTapGestureRecognizer; - friend class QTapAndHoldGestureRecognizer; -}; - -class QPanningGesturePrivate; -class Q_GUI_EXPORT QPanningGesture : public QGesture -{ - Q_OBJECT - Q_DECLARE_PRIVATE(QPanningGesture) - - Q_PROPERTY(Qt::DirectionType lastDirection READ lastDirection) - Q_PROPERTY(Qt::DirectionType direction READ direction) - -public: - Qt::DirectionType lastDirection() const; - Qt::DirectionType direction() const; +signals: + void started(); + void triggered(); + void finished(); + void cancelled(); private: - QPanningGesture(QObject *parent = 0); - ~QPanningGesture(); - - friend class QGestureRecognizerPan; + friend class QWidget; }; -Q_DECLARE_METATYPE(Qt::DirectionType) -Q_DECLARE_METATYPE(Qt::GestureState) - QT_END_NAMESPACE QT_END_HEADER diff --git a/src/gui/kernel/qgesture_p.h b/src/gui/kernel/qgesture_p.h index caf851e..99f572f 100644 --- a/src/gui/kernel/qgesture_p.h +++ b/src/gui/kernel/qgesture_p.h @@ -56,10 +56,12 @@ #include "qrect.h" #include "qpoint.h" #include "qdatetime.h" +#include "qgesture.h" #include "private/qobject_p.h" QT_BEGIN_NAMESPACE +class QObject; class QGraphicsItem; class QGesturePrivate : public QObjectPrivate { @@ -67,47 +69,28 @@ class QGesturePrivate : public QObjectPrivate public: QGesturePrivate() - : state(Qt::NoGesture), graphicsItem(0), singleshot(0), duration(0) { } + : graphicsItem(0), eventFilterProxyGraphicsItem(0), state(Qt::NoGesture) + { + } void init(const QPoint &startPos, const QPoint &lastPos, - const QPoint &pos, const QRect &rect, - const QPoint &hotSpot, const QDateTime &startTime, - uint duration) + const QPoint &pos) { - this->rect = rect; - this->hotSpot = hotSpot; - this->startTime = startTime; - this->duration = duration; this->startPos = startPos; this->lastPos = lastPos; this->pos = pos; } - QString type; - Qt::GestureState state; - - QPointer<QWidget> widget; QGraphicsItem *graphicsItem; - uint singleshot:1; + QGraphicsItem *eventFilterProxyGraphicsItem; + + Qt::GestureState state; - QRect rect; - QPoint hotSpot; - QDateTime startTime; - uint duration; QPoint startPos; QPoint lastPos; QPoint pos; }; -class QPanningGesturePrivate : public QGesturePrivate -{ - Q_DECLARE_PUBLIC(QPanningGesture) - -public: - Qt::DirectionType lastDirection; - Qt::DirectionType direction; -}; - QT_END_NAMESPACE #endif // QGESTURE_P_H diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp deleted file mode 100644 index 20abda9..0000000 --- a/src/gui/kernel/qgesturemanager.cpp +++ /dev/null @@ -1,644 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgesturemanager_p.h" -#include "qgesture.h" -#include "qgesture_p.h" -#include "qevent.h" - -#include "qapplication.h" -#include "qapplication_p.h" -#include "qwidget.h" -#include "qwidget_p.h" - -#include "qgesturestandardrecognizers_p.h" - -#include "qdebug.h" - -// #define GESTURE_DEBUG -#ifndef GESTURE_DEBUG -# define DEBUG if (0) qDebug -#else -# define DEBUG qDebug -#endif - -QT_BEGIN_NAMESPACE - -bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); - -static const unsigned int MaximumGestureRecognitionTimeout = 2000; - -QGestureManager::QGestureManager(QObject *parent) - : QObject(parent), eventDeliveryDelayTimeout(300), - delayedPressTimer(0), lastMousePressReceiver(0), lastMousePressEvent(QEvent::None, QPoint(), Qt::NoButton, 0, 0), - lastGestureId(0), state(NotGesture) -{ - qRegisterMetaType<Qt::DirectionType>(); - qRegisterMetaType<Qt::GestureState>(); - - recognizers << new QDoubleTapGestureRecognizer(this); - recognizers << new QTapAndHoldGestureRecognizer(this); - recognizers << new QGestureRecognizerPan(this); - - foreach(QGestureRecognizer *r, recognizers) - connect(r, SIGNAL(stateChanged(QGestureRecognizer::Result)), - this, SLOT(recognizerStateChanged(QGestureRecognizer::Result))); -} - -void QGestureManager::addRecognizer(QGestureRecognizer *recognizer) -{ - recognizer->setParent(this); - recognizers << recognizer; -} - -void QGestureManager::removeRecognizer(QGestureRecognizer *recognizer) -{ - recognizers.remove(recognizer); -} - -bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event) -{ - QPoint currentPos; - switch (event->type()) { - case QEvent::MouseButtonPress: - case QEvent::MouseButtonRelease: - case QEvent::MouseButtonDblClick: - case QEvent::MouseMove: - currentPos = static_cast<QMouseEvent*>(event)->pos(); break; - default: break; - } - - const QMap<QString, int> &grabbedGestures = qApp->d_func()->grabbedGestures; - - bool ret = false; - QSet<QGestureRecognizer*> startedGestures; - QSet<QGestureRecognizer*> finishedGestures; - QSet<QGestureRecognizer*> newMaybeGestures; - QSet<QGestureRecognizer*> cancelledGestures; - QSet<QGestureRecognizer*> notGestures; - if (state == NotGesture || state == MaybeGesture) { - DEBUG() << "QGestureManager: current event processing state: " - << (state == NotGesture ? "NotGesture" : "MaybeGesture"); - - QSet<QGestureRecognizer*> stillMaybeGestures; - // try other recognizers. - foreach(QGestureRecognizer *r, recognizers) { - if (grabbedGestures.value(r->gestureType(), 0) <= 0) - continue; - QGestureRecognizer::Result result = r->filterEvent(event); - if (result == QGestureRecognizer::GestureStarted) { - DEBUG() << "QGestureManager: gesture started: " << r; - startedGestures << r; - } else if (result == QGestureRecognizer::GestureFinished) { - DEBUG() << "QGestureManager: gesture finished: " << r; - finishedGestures << r; - } else if (result == QGestureRecognizer::MaybeGesture) { - DEBUG() << "QGestureManager: maybe gesture: " << r; - newMaybeGestures << r; - } else if (result == QGestureRecognizer::NotGesture) { - // if it was maybe gesture, but isn't a gesture anymore. - DEBUG() << "QGestureManager: not gesture: " << r; - notGestures << r; - } - } - Q_ASSERT(activeGestures.isEmpty()); - activeGestures += startedGestures; - for(QMap<QGestureRecognizer*, int>::iterator it = maybeGestures.begin(); - it != maybeGestures.end();) { - QGestureRecognizer *r = it.key(); - if (startedGestures.contains(r) || finishedGestures.contains(r) || - notGestures.contains(r)) { - killTimer(it.value()); - it = maybeGestures.erase(it); - } else { - ++it; - } - } - foreach(QGestureRecognizer *r, newMaybeGestures) { - if (!maybeGestures.contains(r)) { - int timerId = startTimer(MaximumGestureRecognitionTimeout); - if (!timerId) - qWarning("QGestureManager: couldn't start timer!"); - maybeGestures.insert(r, timerId); - } - } - if (!finishedGestures.isEmpty() || !startedGestures.isEmpty()) { - // gesture found! - ret = true; - QSet<QGesture*> started; - foreach(QGestureRecognizer *r, finishedGestures) { - if (QGesture *gesture = r->getGesture()) { - started << gesture; - gesture->d_func()->singleshot = true; - } - } - foreach(QGestureRecognizer *r, startedGestures) { - if (QGesture *gesture = r->getGesture()) { - started << gesture; - gesture->d_func()->singleshot = false; - } - } - - if (!activeGestures.isEmpty()) { - DEBUG() << "QGestureManager: new state = Gesture"; - state = Gesture; - } else if (!maybeGestures.isEmpty()) { - DEBUG() << "QGestureManager: new state = Maybe"; - state = MaybeGesture; - } else { - DEBUG() << "QGestureManager: new state = NotGesture"; - state = NotGesture; - } - - Q_ASSERT(!started.isEmpty()); - ret = sendGestureEvent(receiver, started, QSet<QGesture*>()); - } else if (!maybeGestures.isEmpty()) { - if (state != MaybeGesture) { - // We got a new set of events that look like a start - // of some gesture, so we switch to state MaybeGesture - // and wait for more events. - DEBUG() << "QGestureManager: new state = Maybe. Waiting for events"; - state = MaybeGesture; - // start gesture timer - } else { - // we still not sure if it is a gesture or not. - } - } else if (state == MaybeGesture) { - // last time we thought it looks like gesture, but now we - // know for sure that it isn't. - DEBUG() << "QGestureManager: new state = NotGesture"; - state = NotGesture; - } - foreach(QGestureRecognizer *r, finishedGestures) - r->reset(); - foreach(QGestureRecognizer *r, cancelledGestures) - r->reset(); - foreach(QGestureRecognizer *r, notGestures) - r->reset(); - } else if (state == Gesture) { - DEBUG() << "QGestureManager: current event processing state: Gesture"; - Q_ASSERT(!activeGestures.isEmpty()); - - foreach(QGestureRecognizer *r, recognizers) { - if (grabbedGestures.value(r->gestureType(), 0) <= 0) - continue; - QGestureRecognizer::Result result = r->filterEvent(event); - if (result == QGestureRecognizer::GestureStarted) { - DEBUG() << "QGestureManager: gesture started: " << r; - startedGestures << r; - } else if (result == QGestureRecognizer::GestureFinished) { - DEBUG() << "QGestureManager: gesture finished: " << r; - finishedGestures << r; - } else if (result == QGestureRecognizer::MaybeGesture) { - DEBUG() << "QGestureManager: maybe gesture: " << r; - newMaybeGestures << r; - } else if (result == QGestureRecognizer::NotGesture) { - // if it was an active gesture, but isn't a gesture anymore. - if (activeGestures.contains(r)) { - DEBUG() << "QGestureManager: cancelled gesture: " << r; - cancelledGestures << r; - } else { - DEBUG() << "QGestureManager: not gesture: " << r; - notGestures << r; - } - } - } - - for(QMap<QGestureRecognizer*, int>::iterator it = maybeGestures.begin(); - it != maybeGestures.end();) { - QGestureRecognizer *r = it.key(); - if (startedGestures.contains(r) || finishedGestures.contains(r) || - notGestures.contains(r)) { - killTimer(it.value()); - it = maybeGestures.erase(it); - } else { - ++it; - } - } - foreach(QGestureRecognizer *r, newMaybeGestures) { - if (!maybeGestures.contains(r)) { - int timerId = startTimer(MaximumGestureRecognitionTimeout); - if (!timerId) - qWarning("QGestureManager: couldn't start timer!"); - maybeGestures.insert(r, timerId); - } - } - QSet<QGesture*> started, updated; - if (!finishedGestures.isEmpty() || !startedGestures.isEmpty()) { - // another gesture found! - ret = true; - foreach(QGestureRecognizer *r, finishedGestures) { - if (QGesture *gesture = r->getGesture()) { - gesture->d_func()->singleshot = !activeGestures.contains(r); - if (gesture->d_func()->singleshot) - started << gesture; - else - updated << gesture; - } - } - foreach(QGestureRecognizer *r, startedGestures) { - if (QGesture *gesture = r->getGesture()) { - gesture->d_func()->singleshot = !activeGestures.contains(r); - if (gesture->d_func()->singleshot) - started << gesture; - else - updated << gesture; - } - } - } - activeGestures -= newMaybeGestures; - activeGestures -= cancelledGestures; - activeGestures += startedGestures; - activeGestures -= finishedGestures; - QSet<QString> cancelledGestureNames; - foreach(QGestureRecognizer *r, cancelledGestures) - cancelledGestureNames << r->gestureType(); - ret = sendGestureEvent(receiver, started, updated, cancelledGestureNames); - - foreach(QGestureRecognizer *r, finishedGestures) - r->reset(); - foreach(QGestureRecognizer *r, cancelledGestures) - r->reset(); - foreach(QGestureRecognizer *r, notGestures) - r->reset(); - if (!activeGestures.isEmpty()) { - // nothing changed, we are still handling a gesture - } else if (!maybeGestures.isEmpty()) { - DEBUG() << "QGestureManager: new state = Maybe. Waiting for events: " << maybeGestures; - state = MaybeGesture; - } else { - DEBUG() << "QGestureManager: new state = NotGesture"; - state = NotGesture; - } - } - - if (delayedPressTimer && state == Gesture) { - DEBUG() << "QGestureManager: gesture started. Forgetting about postponed mouse press event"; - killTimer(delayedPressTimer); - delayedPressTimer = 0; - lastMousePressReceiver = 0; - } else if (delayedPressTimer && (state == NotGesture || - event->type() == QEvent::MouseButtonRelease)) { - // not a gesture or released button too fast, so replay press - // event back. - DEBUG() << "QGestureManager: replaying mouse press event"; - QMap<QGestureRecognizer*, int>::const_iterator it = maybeGestures.begin(), - e = maybeGestures.end();; - for (; it != e; ++it) { - it.key()->reset(); - killTimer(it.value()); - } - maybeGestures.clear(); - state = NotGesture; - - if (lastMousePressReceiver) { - QApplication::sendEvent(lastMousePressReceiver, &lastMousePressEvent); - if (event->type() == QEvent::MouseButtonRelease) { - QMouseEvent *me = static_cast<QMouseEvent*>(event); - QMouseEvent move(QEvent::MouseMove, me->pos(), me->globalPos(), me->button(), - me->buttons(), me->modifiers()); - QApplication::sendEvent(lastMousePressReceiver, &move); - ret = false; - } - lastMousePressReceiver = 0; - } - lastMousePressReceiver = 0; - killTimer(delayedPressTimer); - delayedPressTimer = 0; - } else if (state == MaybeGesture && event->type() == QEvent::MouseButtonPress - && eventDeliveryDelayTimeout) { - // postpone the press event delivery until we know for - // sure whether it is a gesture. - DEBUG() << "QGestureManager: postponing mouse press event"; - QMouseEvent *me = static_cast<QMouseEvent*>(event); - lastMousePressReceiver = receiver; - lastMousePressEvent = QMouseEvent(QEvent::MouseButtonPress, me->pos(), - me->globalPos(), me->button(), - me->buttons(), me->modifiers()); - Q_ASSERT(delayedPressTimer == 0); - delayedPressTimer = startTimer(eventDeliveryDelayTimeout); - if (!delayedPressTimer) - qWarning("QGestureManager: couldn't start delayed press timer!"); - ret = true; - } - if (delayedPressTimer && event->type() == QEvent::MouseMove) { - // if we have postponed a mouse press event, postpone all - // subsequent mouse move events as well. - ret = true; - } - - lastPos = currentPos; - return ret; -} - -void QGestureManager::timerEvent(QTimerEvent *event) -{ - if (event->timerId() == delayedPressTimer) { - DEBUG() << "QGestureManager: replaying mouse press event due to timeout"; - // sanity checks - Q_ASSERT(state != Gesture); - - QMap<QGestureRecognizer*, int>::const_iterator it = maybeGestures.begin(), - e = maybeGestures.end();; - for (; it != e; ++it) { - it.key()->reset(); - killTimer(it.value()); - } - maybeGestures.clear(); - state = NotGesture; - - if (lastMousePressReceiver) { - // we neither received a mouse release event nor gesture - // started, so we replay stored mouse press event. - QApplication::sendEvent(lastMousePressReceiver, &lastMousePressEvent); - lastMousePressReceiver = 0; - } - - lastMousePressReceiver = 0; - killTimer(delayedPressTimer); - delayedPressTimer = 0; - } else { - // sanity checks, remove later - Q_ASSERT((state == Gesture && !activeGestures.isEmpty()) || (state != Gesture && activeGestures.isEmpty())); - - typedef QMap<QGestureRecognizer*, int> MaybeGestureMap; - for (MaybeGestureMap::iterator it = maybeGestures.begin(), e = maybeGestures.end(); - it != e; ++it) { - if (it.value() == event->timerId()) { - DEBUG() << "QGestureManager: gesture timeout."; - QGestureRecognizer *r = it.key(); - r->reset(); - maybeGestures.erase(it); - killTimer(event->timerId()); - break; - } - } - - if (state == MaybeGesture && maybeGestures.isEmpty()) { - DEBUG() << "QGestureManager: new state = NotGesture because of timeout"; - state = NotGesture; - } - } -} - -bool QGestureManager::inGestureMode() -{ - return state == Gesture; -} - -void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result) -{ - QGestureRecognizer *recognizer = qobject_cast<QGestureRecognizer*>(sender()); - if (!recognizer) - return; - if (qApp->d_func()->grabbedGestures.value(recognizer->gestureType(), 0) <= 0) { - recognizer->reset(); - return; - } - - switch (result) { - case QGestureRecognizer::GestureStarted: - case QGestureRecognizer::GestureFinished: { - if (result == QGestureRecognizer::GestureStarted) { - DEBUG() << "QGestureManager: gesture started: " << recognizer; - activeGestures << recognizer; - DEBUG() << "QGestureManager: new state = Gesture"; - state = Gesture; - } else { - DEBUG() << "QGestureManager: gesture finished: " << recognizer; - } - if (maybeGestures.contains(recognizer)) { - killTimer(maybeGestures.value(recognizer)); - maybeGestures.remove(recognizer); - } - QSet<QGesture*> gestures; - if (QGesture *gesture = recognizer->getGesture()) - gestures << gesture; - if(!gestures.isEmpty()) { - //FIXME: sendGestureEvent(targetWidget, gestures); - } - if (result == QGestureRecognizer::GestureFinished) - recognizer->reset(); - } - break; - case QGestureRecognizer::MaybeGesture: { - DEBUG() << "QGestureManager: maybe gesture: " << recognizer; - if (activeGestures.contains(recognizer)) { - //FIXME: sendGestureEvent(targetWidget, QSet<QGesture*>(), QSet<QString>() << recognizer->gestureType()); - } - if (!maybeGestures.contains(recognizer)) { - int timerId = startTimer(MaximumGestureRecognitionTimeout); - if (!timerId) - qWarning("QGestureManager: couldn't start timer!"); - maybeGestures.insert(recognizer, timerId); - } - } - break; - case QGestureRecognizer::NotGesture: - DEBUG() << "QGestureManager: not gesture: " << recognizer; - if (maybeGestures.contains(recognizer)) { - killTimer(maybeGestures.value(recognizer)); - maybeGestures.remove(recognizer); - } - recognizer->reset(); - break; - default: - Q_ASSERT(false); - } - - if (delayedPressTimer && state == Gesture) { - killTimer(delayedPressTimer); - delayedPressTimer = 0; - } -} - -bool QGestureManager::sendGestureEvent(QWidget *receiver, - const QSet<QGesture*> &startedGestures, - const QSet<QGesture*> &updatedGestures, - const QSet<QString> &cancelled) -{ - DEBUG() << "QGestureManager::sendGestureEvent: sending to" << receiver - << "gestures:" << startedGestures << "," << updatedGestures - << "cancelled:" << cancelled; - // grouping gesture objects by receiver widgets. - typedef QMap<QWidget*, QSet<QGesture*> > WidgetGesturesMap; - WidgetGesturesMap widgetGestures; - for(QSet<QGesture*>::const_iterator it = startedGestures.begin(), e = startedGestures.end(); - it != e; ++it) { - QGesture *g = *it; - QGesturePrivate *gd = g->d_func(); - if (receiver) { - // find the target widget - gd->widget = 0; - gd->graphicsItem = 0; - QWidget *w = receiver; - QPoint offset; - const QString gestureType = g->type(); - while (w) { - if (w->d_func()->hasGesture(gestureType)) - break; - if (w->isWindow()) { - w = 0; - break; - } - offset += w->pos(); - w = w->parentWidget(); - } - if (w && w != gd->widget) { - DEBUG() << "QGestureManager::sendGestureEvent:" << g << "propagating to widget" << w << "offset" << offset; - g->translate(offset); - } - gd->widget = w; - } - if (!gd->widget) { - DEBUG() << "QGestureManager: didn't find a widget to send gesture event (" - << g->type() << ") for tree:" << receiver; - // TODO: maybe we should reset gesture recognizers when nobody interested in its gestures. - continue; - } - widgetGestures[gd->widget].insert(g); - } - - QSet<QGesture*> ignoredGestures; - bool ret = false; - for(WidgetGesturesMap::const_iterator it = widgetGestures.begin(), e = widgetGestures.end(); - it != e; ++it) { - QWidget *receiver = it.key(); - Q_ASSERT(receiver != 0 /*should be taken care above*/); - QSet<QGesture*> gestures = it.value(); - // mark all gestures as ignored by default - for(QSet<QGesture*>::iterator it = gestures.begin(), e = gestures.end(); it != e; ++it) - (*it)->ignore(); - // TODO: send cancelled gesture event to the widget that received the original gesture! - QGestureEvent event(gestures, cancelled); - DEBUG() << "QGestureManager::sendGestureEvent: sending now to" << receiver - << "gestures" << gestures; - bool processed = qt_sendSpontaneousEvent(receiver, &event); - QSet<QGesture*> started = startedGestures & gestures; - DEBUG() << "QGestureManager::sendGestureEvent:" << - (event.isAccepted() ? "" : "not") << "all gestures were accepted"; - if (!started.isEmpty() && !(processed && event.isAccepted())) { - // there are started gestures events that weren't - // accepted, so propagating each gesture independently. - if (event.isAccepted()) { - foreach(QGesture *g, started) - g->accept(); - } - QSet<QGesture*>::const_iterator it = started.begin(), - e = started.end(); - for(; it != e; ++it) { - QGesture *g = *it; - if (processed && g->isAccepted()) { - ret = true; - continue; - } - // if it wasn't accepted, find the first parent widget - // that is subscribed to the gesture. - QGesturePrivate *gd = g->d_func(); - QWidget *w = gd->widget; - gd->widget = 0; - - if (w && !w->isWindow()) { - g->translate(w->pos()); - w = w->parentWidget(); - QPoint offset; - const QString gestureType = g->type(); - while (w) { - if (w->d_func()->hasGesture(gestureType)) { - DEBUG() << "QGestureManager::sendGestureEvent:" << receiver - << "didn't accept gesture" << g << "propagating to" << w; - ignoredGestures.insert(g); - gd->widget = w; - break; - } - if (w->isWindow()) { - w = 0; - break; - } - offset += w->pos(); - w = w->parentWidget(); - } - if (w) { - g->translate(offset); - } else { - DEBUG() << "QGestureManager::sendGestureEvent:" << receiver - << "didn't accept gesture" << g << "and nobody wants it"; - } - } - } - } - } - if (ignoredGestures.isEmpty()) - return ret; - // try to send all gestures that were ignored to the next parent - return sendGestureEvent(0, ignoredGestures, QSet<QGesture*>(), cancelled) || ret; -} - -int QGestureManager::eventDeliveryDelay() const -{ - return eventDeliveryDelayTimeout; -} - -void QGestureManager::setEventDeliveryDelay(int ms) -{ - eventDeliveryDelayTimeout = ms; -} - -int QGestureManager::makeGestureId(const QString &name) -{ - gestureIdMap[++lastGestureId] = name; - return lastGestureId; -} - -void QGestureManager::releaseGestureId(int gestureId) -{ - gestureIdMap.remove(gestureId); -} - -QString QGestureManager::gestureNameFromId(int gestureId) const -{ - return gestureIdMap.value(gestureId); -} - -QT_END_NAMESPACE - -#include "moc_qgesturemanager_p.cpp" - diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h deleted file mode 100644 index 8656590..0000000 --- a/src/gui/kernel/qgesturemanager_p.h +++ /dev/null @@ -1,126 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QGESTUREMANAGER_P_H -#define QGESTUREMANAGER_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists for the convenience -// of other Qt classes. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qlist.h" -#include "qset.h" -#include "qevent.h" -#include "qbasictimer.h" -#include "qpointer.h" - -#include "qgesturerecognizer.h" - -QT_BEGIN_NAMESPACE - -class QWidget; -class Q_AUTOTEST_EXPORT QGestureManager : public QObject -{ - Q_OBJECT -public: - QGestureManager(QObject *parent); - - int eventDeliveryDelay() const; - void setEventDeliveryDelay(int ms); - - void addRecognizer(QGestureRecognizer *recognizer); - void removeRecognizer(QGestureRecognizer *recognizer); - - bool filterEvent(QWidget *receiver, QEvent *event); - bool inGestureMode(); - - int makeGestureId(const QString &name); - void releaseGestureId(int gestureId); - QString gestureNameFromId(int gestureId) const; - - // declared in qapplication.cpp - static QGestureManager* instance(); - - bool sendGestureEvent(QWidget *receiver, - const QSet<QGesture*> &startedGestures, - const QSet<QGesture*> &updatedGestures, - const QSet<QString> &cancelled = QSet<QString>()); - -protected: - void timerEvent(QTimerEvent *event); - -private slots: - void recognizerStateChanged(QGestureRecognizer::Result); - -private: - QSet<QGestureRecognizer*> activeGestures; - QMap<QGestureRecognizer*, int> maybeGestures; - QSet<QGestureRecognizer*> recognizers; - - QPoint lastPos; - - int eventDeliveryDelayTimeout; - int delayedPressTimer; - QPointer<QWidget> lastMousePressReceiver; - QMouseEvent lastMousePressEvent; - - QMap<int, QString> gestureIdMap; - int lastGestureId; - - enum State { - Gesture, - NotGesture, - MaybeGesture // that mean timers are up and waiting for some - // more events, and input events are handled by - // gesture recognizer explicitely - } state; -}; - -QT_END_NAMESPACE - -#endif // QGESTUREMANAGER_P_H diff --git a/src/gui/kernel/qgesturerecognizer.cpp b/src/gui/kernel/qgesturerecognizer.cpp deleted file mode 100644 index 30889d7..0000000 --- a/src/gui/kernel/qgesturerecognizer.cpp +++ /dev/null @@ -1,160 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgesturerecognizer.h" -#include "qgesture.h" - -#include <private/qobject_p.h> -#include <private/qgesturerecognizer_p.h> - -QT_BEGIN_NAMESPACE - -QString qt_getStandardGestureTypeName(Qt::GestureType gestureType); - -/*! - \class QGestureRecognizer - \since 4.6 - - \brief The QGestureRecognizer class is the base class for - implementing custom gestures. - - This is a base class, to create a custom gesture type, you should - subclass it and implement its pure virtual functions. - - Usually gesture recognizer implements state machine, storing its - state internally in the recognizer object. The recognizer receives - input events through the \l{QGestureRecognizer::}{filterEvent()} - virtual function and decides whether the parsed event should - change the state of the recognizer - i.e. if the event starts or - ends a gesture or if it isn't related to gesture at all. -*/ - -/*! - \enum QGestureRecognizer::Result - \since 4.6 - - This enum type defines the state of the gesture recognizer. - - \value Ignore Gesture recognizer ignores the event. - - \value NotGesture Not a gesture. - - \value GestureStarted The continuous gesture has started. When the - recognizer is in this state, a \l{QGestureEvent}{gesture event} - containing QGesture objects returned by the - \l{QGestureRecognizer::}{getGesture()} will be sent to a widget. - - \value GestureFinished The gesture has ended. A - \l{QGestureEvent}{gesture event} will be sent to a widget. - - \value MaybeGesture Gesture recognizer hasn't decided yet if a - gesture has started, but it might start soon after the following - events are received by the recognizer. This means that gesture - manager shouldn't reset() the internal state of the gesture - recognizer. -*/ - -/*! \fn QGestureRecognizer::Result QGestureRecognizer::filterEvent(const QEvent *event) - - This is a pure virtual function that needs to be implemented in - subclasses. - - Parses input \a event and returns the result, which specifies - whether the event sequence is a gesture or not. -*/ - -/*! \fn QGesture* QGestureRecognizer::getGesture() - - Returns a gesture object that will be send to the widget. This - function is called when the gesture recognizer changed its state - to QGestureRecognizer::GestureStarted or - QGestureRecognizer::GestureFinished. - - The returned QGesture object must point to the same object in a - single gesture sequence. - - The gesture object is owned by the recognizer itself. -*/ - -/*! \fn void QGestureRecognizer::reset() - - Resets the internal state of the gesture recognizer. -*/ - -/*! \fn void QGestureRecognizer::stateChanged(QGestureRecognizer::Result result) - - The gesture recognizer might emit the stateChanged() signal when - the gesture state changes asynchronously, i.e. without any event - being filtered through filterEvent(). \a result specifies whether - the event sequence is a gesture or not. -*/ - -QGestureRecognizerPrivate::QGestureRecognizerPrivate() - : gestureType(Qt::UnknownGesture) -{ -} - -/*! - Creates a new gesture recognizer object that handles gestures of - the specific \a gestureType as a child of \a parent. - - \sa QApplication::addGestureRecognizer(), - QApplication::removeGestureRecognizer(), -*/ -QGestureRecognizer::QGestureRecognizer(const QString &gestureType, QObject *parent) - : QObject(*new QGestureRecognizerPrivate, parent) -{ - Q_D(QGestureRecognizer); - d->customGestureType = gestureType; -} - -/*! - Returns the name of the gesture that is handled by the recognizer. -*/ -QString QGestureRecognizer::gestureType() const -{ - Q_D(const QGestureRecognizer); - if (d->gestureType == Qt::UnknownGesture) - return d->customGestureType; - return qt_getStandardGestureTypeName(d->gestureType); -} - -QT_END_NAMESPACE diff --git a/src/gui/kernel/qgesturestandardrecognizers.cpp b/src/gui/kernel/qgesturestandardrecognizers.cpp deleted file mode 100644 index b108994..0000000 --- a/src/gui/kernel/qgesturestandardrecognizers.cpp +++ /dev/null @@ -1,306 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qgesturestandardrecognizers_p.h" -#include "qgesture_p.h" -#include "qgesturerecognizer_p.h" - -// #define GESTURE_RECOGNIZER_DEBUG -#ifndef GESTURE_RECOGNIZER_DEBUG -# define DEBUG if (0) qDebug -#else -# define DEBUG qDebug -#endif - -QT_BEGIN_NAMESPACE - -QString qt_getStandardGestureTypeName(Qt::GestureType gestureType) -{ - switch (gestureType) { - case Qt::TapGesture: - return QLatin1String("__QTapGesture"); - case Qt::DoubleTapGesture: - return QLatin1String("__QDoubleTapGesture"); - case Qt::TrippleTapGesture: - return QLatin1String("__QTrippleTapGesture"); - case Qt::TapAndHoldGesture: - return QLatin1String("__QTapAndHoldGesture"); - case Qt::PanGesture: - return QLatin1String("__QPanGesture"); - case Qt::PinchGesture: - return QLatin1String("__QPinchGesture"); - case Qt::UnknownGesture: - break; - } - qFatal("QGestureRecognizer::gestureType: got an unhandled gesture type."); - return QLatin1String("__unknown_gesture"); -} - -// -// QGestureRecognizerPan -// - -QGestureRecognizerPan::QGestureRecognizerPan(QObject *parent) - : QGestureRecognizer(QString(), parent), - mousePressed(false), gestureState(Qt::NoGesture), - lastDirection(Qt::NoDirection), currentDirection(Qt::NoDirection) -{ - Q_D(QGestureRecognizer); - d->gestureType = Qt::PanGesture; -} - -QGestureRecognizer::Result QGestureRecognizerPan::filterEvent(const QEvent *event) -{ - if (event->type() == QEvent::MouseButtonPress) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (currentDirection != Qt::NoDirection) { - DEBUG() << "Pan: MouseButtonPress: fail. another press during pan"; - reset(); - return QGestureRecognizer::NotGesture; - } - if (ev->button() != Qt::LeftButton) { - return QGestureRecognizer::NotGesture; - } - DEBUG() << "Pan: MouseButtonPress: maybe gesture started"; - mousePressed = true; - pressedPos = lastPos = currentPos = ev->pos(); - return QGestureRecognizer::MaybeGesture; - } else if (event->type() == QEvent::MouseButtonRelease) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (mousePressed && currentDirection != Qt::NoDirection - && ev->button() == Qt::LeftButton) { - DEBUG() << "Pan: MouseButtonRelease: pan detected"; - gestureState = Qt::GestureFinished; - currentPos = ev->pos(); - internalReset(); - return QGestureRecognizer::GestureFinished; - } - DEBUG() << "Pan: MouseButtonRelease: some weird release detected, ignoring"; - reset(); - return QGestureRecognizer::NotGesture; - } else if (event->type() == QEvent::MouseMove) { - if (!mousePressed) - return QGestureRecognizer::NotGesture; - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - lastPos = currentPos; - currentPos = ev->pos(); - Qt::DirectionType newDirection = - simpleRecognizer.addPosition(ev->pos()).direction; - DEBUG() << "Pan: MouseMove: simplerecognizer result = " << newDirection; - QGestureRecognizer::Result result = QGestureRecognizer::NotGesture; - if (currentDirection == Qt::NoDirection) { - if (newDirection == Qt::NoDirection) { - result = QGestureRecognizer::MaybeGesture; - } else { - result = QGestureRecognizer::GestureStarted; - gestureState = Qt::GestureStarted; - } - } else { - result = QGestureRecognizer::GestureStarted; - gestureState = Qt::GestureUpdated; - } - if (newDirection != Qt::NoDirection) { - if (currentDirection != newDirection) - lastDirection = currentDirection; - currentDirection = newDirection; - } - return result; - } - return QGestureRecognizer::Ignore; -} - -QGesture* QGestureRecognizerPan::getGesture() -{ - if (currentDirection == Qt::NoDirection) - return 0; - QPanningGesturePrivate *d = gesture.d_func(); - d->startPos = pressedPos; - d->lastPos = lastPos; - d->pos = currentPos; - d->hotSpot = pressedPos; - d->state = gestureState; - d->lastDirection = lastDirection; - d->direction = currentDirection; - - return &gesture; -} - -void QGestureRecognizerPan::reset() -{ - mousePressed = false; - lastDirection = Qt::NoDirection; - currentDirection = Qt::NoDirection; - gestureState = Qt::NoGesture; - diagonalRecognizer.reset(); - simpleRecognizer.reset(); -} - -void QGestureRecognizerPan::internalReset() -{ - mousePressed = false; - diagonalRecognizer.reset(); - simpleRecognizer.reset(); -} - - -// -// QDoubleTapGestureRecognizer -// -QDoubleTapGestureRecognizer::QDoubleTapGestureRecognizer(QObject *parent) - : QGestureRecognizer(QString(), parent), - gesture(0, qt_getStandardGestureTypeName(Qt::DoubleTapGesture)) -{ - Q_D(QGestureRecognizer); - d->gestureType = Qt::DoubleTapGesture; -} - -QGestureRecognizer::Result QDoubleTapGestureRecognizer::filterEvent(const QEvent *event) -{ - if (event->type() == QEvent::MouseButtonPress) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (pressedPosition.isNull()) { - pressedPosition = ev->pos(); - return QGestureRecognizer::MaybeGesture; - } else if ((pressedPosition - ev->pos()).manhattanLength() < 10) { - return QGestureRecognizer::GestureFinished; - } - return QGestureRecognizer::NotGesture; - } else if (event->type() == QEvent::MouseButtonRelease) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (!pressedPosition.isNull() && (pressedPosition - ev->pos()).manhattanLength() < 10) - return QGestureRecognizer::MaybeGesture; - return QGestureRecognizer::NotGesture; - } else if (event->type() == QEvent::MouseButtonDblClick) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - pressedPosition = ev->pos(); - return QGestureRecognizer::GestureFinished; - } - return QGestureRecognizer::NotGesture; -} - -QGesture* QDoubleTapGestureRecognizer::getGesture() -{ - QGesturePrivate *d = gesture.d_func(); - d->startPos = pressedPosition; - d->lastPos = pressedPosition; - d->pos = pressedPosition; - d->hotSpot = pressedPosition; - d->state = Qt::GestureFinished; - return &gesture; -} - -void QDoubleTapGestureRecognizer::reset() -{ - pressedPosition = QPoint(); -} - -// -// QTapAndHoldGestureRecognizer -// -const int QTapAndHoldGestureRecognizer::iterationCount = 40; -const int QTapAndHoldGestureRecognizer::iterationTimeout = 50; - -QTapAndHoldGestureRecognizer::QTapAndHoldGestureRecognizer(QObject *parent) - : QGestureRecognizer(QString(), parent), - gesture(0, qt_getStandardGestureTypeName(Qt::TapAndHoldGesture)), - iteration(0) -{ - Q_D(QGestureRecognizer); - d->gestureType = Qt::TapAndHoldGesture; -} - -QGestureRecognizer::Result QTapAndHoldGestureRecognizer::filterEvent(const QEvent *event) -{ - if (event->type() == QEvent::MouseButtonPress) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (timer.isActive()) - timer.stop(); - timer.start(QTapAndHoldGestureRecognizer::iterationTimeout, this); - pressedPosition = ev->pos(); - return QGestureRecognizer::MaybeGesture; - } else if (event->type() == QEvent::MouseMove) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if ((pressedPosition - ev->pos()).manhattanLength() < 15) - return QGestureRecognizer::GestureStarted; - else - return QGestureRecognizer::NotGesture; - } else if (event->type() == QEvent::MouseButtonRelease) { - timer.stop(); - return QGestureRecognizer::NotGesture; - } - return QGestureRecognizer::Ignore; -} - -void QTapAndHoldGestureRecognizer::timerEvent(QTimerEvent *event) -{ - if (event->timerId() != timer.timerId()) - return; - if (iteration == QTapAndHoldGestureRecognizer::iterationCount) { - timer.stop(); - emit stateChanged(QGestureRecognizer::GestureFinished); - } else { - emit stateChanged(QGestureRecognizer::GestureStarted); - } - ++iteration; -} - -QGesture* QTapAndHoldGestureRecognizer::getGesture() -{ - QGesturePrivate *d = gesture.d_func(); - d->startPos = pressedPosition; - d->lastPos = pressedPosition; - d->pos = pressedPosition; - d->hotSpot = pressedPosition; - if (iteration >= QTapAndHoldGestureRecognizer::iterationCount) - d->state = Qt::GestureFinished; - else - d->state = iteration == 0 ? Qt::GestureStarted : Qt::GestureUpdated; - return &gesture; -} - -void QTapAndHoldGestureRecognizer::reset() -{ - pressedPosition = QPoint(); - timer.stop(); - iteration = 0; -} - -QT_END_NAMESPACE diff --git a/src/gui/kernel/qgesturestandardrecognizers_p.h b/src/gui/kernel/qgesturestandardrecognizers_p.h deleted file mode 100644 index 8abc1fb..0000000 --- a/src/gui/kernel/qgesturestandardrecognizers_p.h +++ /dev/null @@ -1,131 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QGESTURESTANDARDRECOGNIZERS_P_H -#define QGESTURESTANDARDRECOGNIZERS_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists for the convenience -// of other Qt classes. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qevent.h" -#include "qbasictimer.h" -#include "qdebug.h" - -#include "qgesture.h" -#include "qgesturerecognizer.h" -#include "private/qdirectionrecognizer_p.h" - -QT_BEGIN_NAMESPACE - -class QGestureRecognizerPan : public QGestureRecognizer -{ - Q_OBJECT -public: - QGestureRecognizerPan(QObject *parent); - - QGestureRecognizer::Result filterEvent(const QEvent *event); - QGesture* getGesture(); - void reset(); - -private: - void internalReset(); - - QPanningGesture gesture; - - QPoint pressedPos; - QPoint lastPos; - QPoint currentPos; - bool mousePressed; - Qt::GestureState gestureState; - Qt::DirectionType lastDirection; - Qt::DirectionType currentDirection; - QDirectionDiagonalRecognizer diagonalRecognizer; - QDirectionSimpleRecognizer simpleRecognizer; -}; - -class QDoubleTapGestureRecognizer : public QGestureRecognizer -{ - Q_OBJECT -public: - QDoubleTapGestureRecognizer(QObject *parent); - - QGestureRecognizer::Result filterEvent(const QEvent *event); - QGesture* getGesture(); - void reset(); - -private: - QGesture gesture; - QPoint pressedPosition; -}; - -class QTapAndHoldGestureRecognizer : public QGestureRecognizer -{ - Q_OBJECT -public: - QTapAndHoldGestureRecognizer(QObject *parent); - - QGestureRecognizer::Result filterEvent(const QEvent *event); - QGesture* getGesture(); - void reset(); - -protected: - void timerEvent(QTimerEvent *event); - -private: - QGesture gesture; - QPoint pressedPosition; - QBasicTimer timer; - int iteration; - static const int iterationCount; - static const int iterationTimeout; -}; - -QT_END_NAMESPACE - -#endif // QGESTURESTANDARDRECOGNIZERS_P_H diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp new file mode 100644 index 0000000..c8b11c5 --- /dev/null +++ b/src/gui/kernel/qstandardgestures.cpp @@ -0,0 +1,254 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qstandardgestures.h" +#include "qstandardgestures_p.h" + +#include <qabstractscrollarea.h> +#include <qscrollbar.h> +#include <private/qapplication_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \class QPanGesture + \since 4.6 + + \brief The QPanGesture class represents a Pan gesture, + providing additional information related to panning. +*/ + +/*! + Creates a new Pan gesture handler object and marks it as a child of \a + parent. + + On some platform like Windows it's necessary to provide a non-null widget + as \a parent to get native gesture support. +*/ +QPanGesture::QPanGesture(QWidget *parent) + : QGesture(*new QPanGesturePrivate, parent) +{ +#ifdef Q_WS_WIN + if (parent) { + QApplicationPrivate* getQApplicationPrivateInternal(); + QApplicationPrivate *qAppPriv = getQApplicationPrivateInternal(); + qAppPriv->widgetGestures[parent].pan = this; + } +#endif +} + +/*! \internal */ +bool QPanGesture::event(QEvent *event) +{ +#ifdef Q_WS_WIN + QApplicationPrivate* getQApplicationPrivateInternal(); + switch (event->type()) { + case QEvent::ParentAboutToChange: + if (QWidget *w = qobject_cast<QWidget*>(parent())) + getQApplicationPrivateInternal()->widgetGestures[w].pan = 0; + break; + case QEvent::ParentChange: + if (QWidget *w = qobject_cast<QWidget*>(parent())) + getQApplicationPrivateInternal()->widgetGestures[w].pan = this; + break; + default: + break; + } +#endif + return QObject::event(event); +} + +/*! \internal */ +bool QPanGesture::filterEvent(QEvent *event) +{ + Q_D(QPanGesture); + if (!event->spontaneous()) + return false; + const QTouchEvent *ev = static_cast<const QTouchEvent*>(event); + if (event->type() == QEvent::TouchBegin) { + d->touchPoints = ev->touchPoints(); + const QPoint p = ev->touchPoints().at(0).pos().toPoint(); + setStartPos(p); + setLastPos(p); + setPos(p); + return false; + } else if (event->type() == QEvent::TouchEnd) { + if (state() != Qt::NoGesture) { + setState(Qt::GestureFinished); + setLastPos(pos()); + setPos(ev->touchPoints().at(0).pos().toPoint()); + emit triggered(); + emit finished(); + } + setState(Qt::NoGesture); + reset(); + } else if (event->type() == QEvent::TouchUpdate) { + d->touchPoints = ev->touchPoints(); + QPointF pt = d->touchPoints.at(0).pos() - d->touchPoints.at(0).startPos(); + setLastPos(pos()); + setPos(ev->touchPoints().at(0).pos().toPoint()); + if (pt.x() > 10 || pt.y() > 10 || pt.x() < -10 || pt.y() < -10) { + if (state() == Qt::NoGesture) + setState(Qt::GestureStarted); + else + setState(Qt::GestureUpdated); + emit triggered(); + } + } + return false; +} + +/*! \internal */ +void QPanGesture::reset() +{ + Q_D(QPanGesture); + d->touchPoints.clear(); +} + +/*! + \property QPanGesture::totalOffset + + Specifies a total pan offset since the start of the gesture. +*/ +QSize QPanGesture::totalOffset() const +{ + QPoint pt = pos() - startPos(); + return QSize(pt.x(), pt.y()); +} + +/*! + \property QPanGesture::lastOffset + + Specifies a pan offset since the last time the gesture was + triggered. +*/ +QSize QPanGesture::lastOffset() const +{ + QPoint pt = pos() - lastPos(); + return QSize(pt.x(), pt.y()); +} + +/*! + \class QTapAndHoldGesture + \since 4.6 + + \brief The QTapAndHoldGesture class represents a Tap-and-Hold gesture, + providing additional information. +*/ + +const int QTapAndHoldGesturePrivate::iterationCount = 40; +const int QTapAndHoldGesturePrivate::iterationTimeout = 50; + +/*! + Creates a new Tap and Hold gesture handler object and marks it as a child + of \a parent. + + On some platforms like Windows there is a system-wide tap and hold gesture + that cannot be overriden, hence the gesture might never trigger and default + context menu will be shown instead. +*/ +QTapAndHoldGesture::QTapAndHoldGesture(QWidget *parent) + : QGesture(*new QTapAndHoldGesturePrivate, parent) +{ +} + +/*! \internal */ +bool QTapAndHoldGesture::filterEvent(QEvent *event) +{ + Q_D(QTapAndHoldGesture); + if (!event->spontaneous()) + return false; + const QTouchEvent *ev = static_cast<const QTouchEvent*>(event); + switch (event->type()) { + case QEvent::TouchBegin: { + if (d->timer.isActive()) + d->timer.stop(); + d->timer.start(QTapAndHoldGesturePrivate::iterationTimeout, this); + const QPoint p = ev->touchPoints().at(0).pos().toPoint(); + setStartPos(p); + setLastPos(p); + setPos(p); + break; + } + case QEvent::TouchUpdate: + if (ev->touchPoints().size() != 1) + reset(); + else if ((startPos() - ev->touchPoints().at(0).pos().toPoint()).manhattanLength() > 15) + reset(); + break; + case QEvent::TouchEnd: + reset(); + break; + default: + break; + } + return false; +} + +/*! \internal */ +void QTapAndHoldGesture::timerEvent(QTimerEvent *event) +{ + Q_D(QTapAndHoldGesture); + if (event->timerId() != d->timer.timerId()) + return; + if (d->iteration == QTapAndHoldGesturePrivate::iterationCount) { + d->timer.stop(); + setState(Qt::GestureFinished); + emit triggered(); + } else { + setState(Qt::GestureStarted); + emit triggered(); + } + ++d->iteration; +} + +/*! \internal */ +void QTapAndHoldGesture::reset() +{ + Q_D(QTapAndHoldGesture); + if (state() != Qt::NoGesture) + emit cancelled(); + setState(Qt::NoGesture); + d->timer.stop(); + d->iteration = 0; +} + +QT_END_NAMESPACE diff --git a/src/gui/kernel/qgesturerecognizer.h b/src/gui/kernel/qstandardgestures.h index 2c1c61b..db96ef6 100644 --- a/src/gui/kernel/qgesturerecognizer.h +++ b/src/gui/kernel/qstandardgestures.h @@ -39,49 +39,64 @@ ** ****************************************************************************/ -#ifndef QGESTURERECOGNIZER_H -#define QGESTURERECOGNIZER_H +#ifndef QSTANDARDGESTURES_H +#define QSTANDARDGESTURES_H #include "qevent.h" -#include "qlist.h" -#include "qset.h" +#include "qbasictimer.h" +#include "qdebug.h" + +#include "qgesture.h" + +QT_BEGIN_HEADER QT_BEGIN_NAMESPACE -class QGesture; -class QGestureRecognizerPrivate; -class Q_GUI_EXPORT QGestureRecognizer : public QObject +QT_MODULE(Gui) + +class QPanGesturePrivate; +class Q_GUI_EXPORT QPanGesture : public QGesture { Q_OBJECT - Q_DECLARE_PRIVATE(QGestureRecognizer) + Q_DECLARE_PRIVATE(QPanGesture) -public: - enum Result - { - Ignore, - NotGesture, - GestureStarted, //TODO: rename to just Gesture? - GestureFinished, - MaybeGesture - }; + Q_PROPERTY(QSize totalOffset READ totalOffset) + Q_PROPERTY(QSize lastOffset READ lastOffset) - explicit QGestureRecognizer(const QString &gestureType, QObject *parent = 0); +public: + QPanGesture(QWidget *parent); - QString gestureType() const; + bool filterEvent(QEvent *event); + void reset(); - virtual QGestureRecognizer::Result filterEvent(const QEvent* event) = 0; - virtual QGesture* getGesture() = 0; - virtual void reset() = 0; + QSize totalOffset() const; + QSize lastOffset() const; -signals: - void stateChanged(QGestureRecognizer::Result result); +protected: + bool event(QEvent *event); private: - friend class QDoubleTapGestureRecognizer; - friend class QTapAndHoldGestureRecognizer; - friend class QGestureRecognizerPan; + friend class QWidget; +}; + +class QTapAndHoldGesturePrivate; +class Q_GUI_EXPORT QTapAndHoldGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QTapAndHoldGesture) + +public: + QTapAndHoldGesture(QWidget *parent); + + bool filterEvent(QEvent *event); + void reset(); + +protected: + void timerEvent(QTimerEvent *event); }; QT_END_NAMESPACE -#endif // QGESTURERECOGNIZER_P_H +QT_END_HEADER + +#endif // QSTANDARDGESTURES_H diff --git a/src/gui/kernel/qgesturerecognizer_p.h b/src/gui/kernel/qstandardgestures_p.h index e250201..bb11c9f 100644 --- a/src/gui/kernel/qgesturerecognizer_p.h +++ b/src/gui/kernel/qstandardgestures_p.h @@ -39,8 +39,8 @@ ** ****************************************************************************/ -#ifndef QGESTURERECOGNIZER_P_H -#define QGESTURERECOGNIZER_P_H +#ifndef QSTANDARDGESTURES_P_H +#define QSTANDARDGESTURES_P_H // // W A R N I N G @@ -53,20 +53,39 @@ // We mean it. // -#include <private/qobject_p.h> +#include "qevent.h" +#include "qbasictimer.h" +#include "qdebug.h" + +#include "qgesture.h" +#include "qgesture_p.h" QT_BEGIN_NAMESPACE -class QGestureRecognizerPrivate : public QObjectPrivate +class QPanGesturePrivate : public QGesturePrivate { + Q_DECLARE_PUBLIC(QPanGesture) + public: - QGestureRecognizerPrivate(); + QPanGesturePrivate() { } + + QList<QTouchEvent::TouchPoint> touchPoints; +}; + +class QTapAndHoldGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QTapAndHoldGesture) public: - Qt::GestureType gestureType; - QString customGestureType; + QTapAndHoldGesturePrivate() + : iteration(0) { } + + QBasicTimer timer; + int iteration; + static const int iterationCount; + static const int iterationTimeout; }; QT_END_NAMESPACE -#endif // QGESTURERECOGNIZER_P_H +#endif // QSTANDARDGESTURES_P_H diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index 9a834aa..611cb44 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -82,6 +82,8 @@ #include "private/qstyle_p.h" #include "private/qinputcontext_p.h" #include "qfileinfo.h" +#include "qstandardgestures.h" +#include "qstandardgestures_p.h" #if defined (Q_WS_WIN) # include <private/qwininputcontext_p.h> @@ -107,9 +109,9 @@ #include "private/qgraphicsproxywidget_p.h" #include "QtGui/qabstractscrollarea.h" #include "private/qabstractscrollarea_p.h" +#include "private/qevent_p.h" #include "private/qgraphicssystem_p.h" -#include "private/qgesturemanager_p.h" // widget/widget data creation count //#define QWIDGET_EXTRA_DEBUG @@ -128,8 +130,6 @@ Q_GUI_EXPORT void qt_x11_set_global_double_buffer(bool enable) } #endif -QString qt_getStandardGestureTypeName(Qt::GestureType); - static inline bool qRectIntersects(const QRect &r1, const QRect &r2) { return (qMax(r1.left(), r2.left()) <= qMin(r1.right(), r2.right()) && @@ -7484,8 +7484,6 @@ bool QWidget::event(QEvent *event) #ifndef QT_NO_WHEELEVENT case QEvent::Wheel: #endif - case QEvent::Gesture: - return false; default: break; } @@ -7880,9 +7878,6 @@ bool QWidget::event(QEvent *event) d->needWindowChange = false; break; #endif - case QEvent::Gesture: - event->ignore(); - break; case QEvent::TouchBegin: case QEvent::TouchUpdate: case QEvent::TouchEnd: @@ -7920,6 +7915,59 @@ bool QWidget::event(QEvent *event) (void) QApplication::sendEvent(this, &mouseEvent); break; } +#ifdef Q_WS_WIN + case QEvent::WinGesture: { + QWinGestureEvent *ev = static_cast<QWinGestureEvent*>(event); + QApplicationPrivate *qAppPriv = qApp->d_func(); + QApplicationPrivate::WidgetStandardGesturesMap::iterator it; + it = qAppPriv->widgetGestures.find(this); + if (it != qAppPriv->widgetGestures.end()) { + Qt::GestureState state = Qt::GestureUpdated; + if (qAppPriv->lastGestureId == 0) + state = Qt::GestureStarted; + QWinGestureEvent::Type type = ev->gestureType; + if (ev->gestureType == QWinGestureEvent::GestureEnd) { + type = (QWinGestureEvent::Type)qAppPriv->lastGestureId; + state = Qt::GestureFinished; + } + + QGesture *gesture = 0; + switch (type) { + case QWinGestureEvent::Pan: { + QPanGesture *pan = it.value().pan; + gesture = pan; + if (state == Qt::GestureStarted) { + gesture->setStartPos(ev->position); + gesture->setLastPos(ev->position); + } else { + gesture->setLastPos(gesture->pos()); + } + gesture->setPos(ev->position); + break; + } + case QWinGestureEvent::Pinch: + break; + default: + break; + } + if (gesture) { + gesture->setState(state); + if (state == Qt::GestureStarted) + emit gesture->started(); + emit gesture->triggered(); + if (state == Qt::GestureFinished) + emit gesture->finished(); + event->accept(); + } + if (ev->gestureType == QWinGestureEvent::GestureEnd) { + qAppPriv->lastGestureId = 0; + } else { + qAppPriv->lastGestureId = type; + } + } + break; + } +#endif #ifndef QT_NO_PROPERTIES case QEvent::DynamicPropertyChange: { const QByteArray &propName = static_cast<QDynamicPropertyChangeEvent *>(event)->propertyName(); @@ -11016,105 +11064,6 @@ QWindowSurface *QWidget::windowSurface() const return bs ? bs->windowSurface : 0; } -/*! - \since 4.6 - - Subscribes the widget to the specified \a gesture type. - - Returns the id of the gesture. - - \sa releaseGesture(), setGestureEnabled() -*/ -int QWidget::grabGesture(const QString &gesture) -{ - Q_D(QWidget); - int id = d->grabGesture(QGestureManager::instance()->makeGestureId(gesture)); - if (d->extra && d->extra->proxyWidget) - d->extra->proxyWidget->QGraphicsItem::d_ptr->grabGesture(id); - return id; -} - -int QWidgetPrivate::grabGesture(int gestureId) -{ - gestures << gestureId; - ++qApp->d_func()->grabbedGestures[QGestureManager::instance()->gestureNameFromId(gestureId)]; - return gestureId; -} - -bool QWidgetPrivate::releaseGesture(int gestureId) -{ - QApplicationPrivate *qAppPriv = qApp->d_func(); - if (gestures.contains(gestureId)) { - QString name = QGestureManager::instance()->gestureNameFromId(gestureId); - Q_ASSERT(qAppPriv->grabbedGestures[name] > 0); - --qAppPriv->grabbedGestures[name]; - gestures.remove(gestureId); - return true; - } - return false; -} - -bool QWidgetPrivate::hasGesture(const QString &name) const -{ - QGestureManager *gm = QGestureManager::instance(); - QSet<int>::const_iterator it = gestures.begin(), - e = gestures.end(); - for (; it != e; ++it) { - if (gm->gestureNameFromId(*it) == name) - return true; - } - return false; -} - -/*! - \since 4.6 - - Subscribes the widget to the specified \a gesture type. - - Returns the id of the gesture. - - \sa releaseGesture(), setGestureEnabled() -*/ -int QWidget::grabGesture(Qt::GestureType gesture) -{ - return grabGesture(qt_getStandardGestureTypeName(gesture)); -} - -/*! - \since 4.6 - - Unsubscribes the widget from a gesture, which is specified by the - \a gestureId. - - \sa grabGesture(), setGestureEnabled() -*/ -void QWidget::releaseGesture(int gestureId) -{ - Q_D(QWidget); - if (d->releaseGesture(gestureId)) { - if (d->extra && d->extra->proxyWidget) - d->extra->proxyWidget->QGraphicsItem::d_ptr->releaseGesture(gestureId); - QGestureManager::instance()->releaseGestureId(gestureId); - } -} - -/*! - \since 4.6 - - If \a enable is true, the gesture with the given \a gestureId is - enabled; otherwise the gesture is disabled. - - The id of the gesture is returned by the grabGesture(). - - \sa grabGesture(), releaseGesture() -*/ -void QWidget::setGestureEnabled(int gestureId, bool enable) -{ - Q_UNUSED(gestureId); - Q_UNUSED(enable); - //### -} - void QWidgetPrivate::getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const { if (left) diff --git a/src/gui/kernel/qwidget.h b/src/gui/kernel/qwidget.h index 1667275..bc9952c 100644 --- a/src/gui/kernel/qwidget.h +++ b/src/gui/kernel/qwidget.h @@ -90,7 +90,6 @@ class QDragLeaveEvent; class QDropEvent; class QShowEvent; class QHideEvent; -class QGestureEvent; class QInputContext; class QIcon; class QWindowSurface; @@ -612,11 +611,6 @@ public: void setWindowSurface(QWindowSurface *surface); QWindowSurface *windowSurface() const; - int grabGesture(const QString &gesture); - int grabGesture(Qt::GestureType gesture); - void releaseGesture(int gestureId); - void setGestureEnabled(int gestureId, bool enable = true); - Q_SIGNALS: void customContextMenuRequested(const QPoint &pos); @@ -752,7 +746,6 @@ private: friend bool isWidgetOpaque(const QWidget *); friend class QGLWidgetPrivate; #endif - friend class QGestureManager; #ifdef Q_WS_X11 friend void qt_net_update_user_time(QWidget *tlw, unsigned long timestamp); friend void qt_net_remove_user_time(QWidget *tlw); diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h index 7385e83..626950e 100644 --- a/src/gui/kernel/qwidget_p.h +++ b/src/gui/kernel/qwidget_p.h @@ -523,11 +523,6 @@ public: QList<QAction*> actions; #endif - QSet<int> gestures; - int grabGesture(int gestureId); - bool releaseGesture(int gestureId); - bool hasGesture(const QString &type) const; - // Bit fields. uint high_attributes[3]; // the low ones are in QWidget::widget_attributes QPalette::ColorRole fg_role : 8; diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp index e1beb98..66572b8 100644 --- a/src/gui/widgets/qabstractscrollarea.cpp +++ b/src/gui/widgets/qabstractscrollarea.cpp @@ -51,10 +51,13 @@ #include "qdebug.h" #include "qboxlayout.h" #include "qpainter.h" +#include "qstandardgestures.h" #include "qabstractscrollarea_p.h" #include <qwidget.h> +#include <private/qapplication_p.h> + #ifdef Q_WS_MAC #include <private/qt_mac_p.h> #include <private/qt_cocoa_helpers_mac_p.h> @@ -157,6 +160,9 @@ QAbstractScrollAreaPrivate::QAbstractScrollAreaPrivate() :hbar(0), vbar(0), vbarpolicy(Qt::ScrollBarAsNeeded), hbarpolicy(Qt::ScrollBarAsNeeded), viewport(0), cornerWidget(0), left(0), top(0), right(0), bottom(0), xoffset(0), yoffset(0), viewportFilter(0) +#ifdef Q_WS_WIN + , singleFingerPanEnabled(false) +#endif { } @@ -290,6 +296,31 @@ void QAbstractScrollAreaPrivate::init() layoutChildren(); } +void QAbstractScrollAreaPrivate::setupGestures() +{ +#ifdef Q_OS_WIN + if (!viewport) + return; + QApplicationPrivate *qAppPriv = getQApplicationPrivateInternal(); + bool needh = (hbarpolicy == Qt::ScrollBarAlwaysOn + || (hbarpolicy == Qt::ScrollBarAsNeeded && hbar->minimum() < hbar->maximum())); + + bool needv = (vbarpolicy == Qt::ScrollBarAlwaysOn + || (vbarpolicy == Qt::ScrollBarAsNeeded && vbar->minimum() < vbar->maximum())); + if (qAppPriv->SetGestureConfig && (needh || needv)) { + GESTURECONFIG gc[1]; + gc[0].dwID = GID_PAN; + gc[0].dwWant = GC_PAN; + gc[0].dwBlock = 0; + if (needv && singleFingerPanEnabled) + gc[0].dwWant |= GC_PAN_WITH_SINGLE_FINGER_VERTICALLY; + if (needh && singleFingerPanEnabled) + gc[0].dwWant |= GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY; + qAppPriv->SetGestureConfig(viewport->winId(), 0, 1, gc, sizeof(gc)); + } +#endif // Q_OS_WIN +} + void QAbstractScrollAreaPrivate::layoutChildren() { Q_Q(QAbstractScrollArea); @@ -909,8 +940,6 @@ bool QAbstractScrollArea::event(QEvent *e) case QEvent::DragMove: case QEvent::DragLeave: #endif - case QEvent::Gesture: - return false; case QEvent::StyleChange: case QEvent::LayoutDirectionChange: case QEvent::ApplicationLayoutDirectionChange: @@ -1239,6 +1268,7 @@ void QAbstractScrollAreaPrivate::_q_vslide(int y) void QAbstractScrollAreaPrivate::_q_showOrHideScrollBars() { layoutChildren(); + setupGestures(); } QPoint QAbstractScrollAreaPrivate::contentsOffset() const diff --git a/src/gui/widgets/qabstractscrollarea_p.h b/src/gui/widgets/qabstractscrollarea_p.h index 71a83cc..5d3494b 100644 --- a/src/gui/widgets/qabstractscrollarea_p.h +++ b/src/gui/widgets/qabstractscrollarea_p.h @@ -99,6 +99,11 @@ public: inline bool viewportEvent(QEvent *event) { return q_func()->viewportEvent(event); } QObject *viewportFilter; + +#ifdef Q_WS_WIN + bool singleFingerPanEnabled; +#endif + void setupGestures(); }; class QAbstractScrollAreaFilter : public QObject diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp index bab6b89..c9d1d6e 100644 --- a/src/gui/widgets/qplaintextedit.cpp +++ b/src/gui/widgets/qplaintextedit.cpp @@ -66,6 +66,8 @@ #include <qtexttable.h> #include <qvariant.h> +#include <qstandardgestures.h> + #include <qinputcontext.h> #ifndef QT_NO_TEXTEDIT @@ -726,6 +728,9 @@ QPlainTextEditPrivate::QPlainTextEditPrivate() backgroundVisible = false; centerOnScroll = false; inDrag = false; +#ifdef Q_WS_WIN + singleFingerPanEnabled = true; +#endif } @@ -781,6 +786,9 @@ void QPlainTextEditPrivate::init(const QString &txt) #ifndef QT_NO_CURSOR viewport->setCursor(Qt::IBeamCursor); #endif + originalOffsetY = 0; + panGesture = new QPanGesture(q); + QObject::connect(panGesture, SIGNAL(triggered()), q, SLOT(_q_gestureTriggered())); } void QPlainTextEditPrivate::_q_repaintContents(const QRectF &contentsRect) @@ -2899,6 +2907,30 @@ QAbstractTextDocumentLayout::PaintContext QPlainTextEdit::getPaintContext() cons (\a available is true) or unavailable (\a available is false). */ +void QPlainTextEditPrivate::_q_gestureTriggered() +{ + Q_Q(QPlainTextEdit); + QPanGesture *g = qobject_cast<QPanGesture*>(q->sender()); + if (!g) + return; + QScrollBar *hBar = q->horizontalScrollBar(); + QScrollBar *vBar = q->verticalScrollBar(); + if (g->state() == Qt::GestureStarted) + originalOffsetY = vBar->value(); + QSize totalOffset = g->totalOffset(); + if (!totalOffset.isNull()) { + if (QApplication::isRightToLeft()) + totalOffset.rwidth() *= -1; + // QPlainTextEdit scrolls by lines only in vertical direction + QFontMetrics fm(q->document()->defaultFont()); + int lineHeight = fm.height(); + int newX = hBar->value() - g->lastOffset().width(); + int newY = originalOffsetY - totalOffset.height()/lineHeight; + hbar->setValue(newX); + vbar->setValue(newY); + } +} + QT_END_NAMESPACE #include "moc_qplaintextedit.cpp" diff --git a/src/gui/widgets/qplaintextedit.h b/src/gui/widgets/qplaintextedit.h index dc0851b..35bbc37 100644 --- a/src/gui/widgets/qplaintextedit.h +++ b/src/gui/widgets/qplaintextedit.h @@ -269,6 +269,7 @@ private: Q_PRIVATE_SLOT(d_func(), void _q_adjustScrollbars()) Q_PRIVATE_SLOT(d_func(), void _q_verticalScrollbarActionTriggered(int)) Q_PRIVATE_SLOT(d_func(), void _q_cursorPositionChanged()) + Q_PRIVATE_SLOT(d_func(), void _q_gestureTriggered()) friend class QPlainTextEditControl; }; diff --git a/src/gui/widgets/qplaintextedit_p.h b/src/gui/widgets/qplaintextedit_p.h index 5075fc4..ae584e0 100644 --- a/src/gui/widgets/qplaintextedit_p.h +++ b/src/gui/widgets/qplaintextedit_p.h @@ -72,6 +72,7 @@ class QMimeData; class QPlainTextEdit; class ExtraArea; +class QPanGesture; class QPlainTextEditControl : public QTextControl { @@ -173,6 +174,10 @@ public: void _q_cursorPositionChanged(); void _q_modificationChanged(bool); + + void _q_gestureTriggered(); + int originalOffsetY; + QPanGesture *panGesture; }; QT_END_NAMESPACE diff --git a/src/gui/widgets/qtextedit.cpp b/src/gui/widgets/qtextedit.cpp index c8d8d04..e80df92 100644 --- a/src/gui/widgets/qtextedit.cpp +++ b/src/gui/widgets/qtextedit.cpp @@ -67,6 +67,8 @@ #include <qtexttable.h> #include <qvariant.h> +#include <qstandardgestures.h> + #include <qinputcontext.h> #endif @@ -111,6 +113,9 @@ QTextEditPrivate::QTextEditPrivate() preferRichText = false; showCursorOnInitialShow = true; inDrag = false; +#ifdef Q_WS_WIN + singleFingerPanEnabled = true; +#endif } void QTextEditPrivate::createAutoBulletList() @@ -178,6 +183,8 @@ void QTextEditPrivate::init(const QString &html) #ifndef QT_NO_CURSOR viewport->setCursor(Qt::IBeamCursor); #endif + panGesture = new QPanGesture(q); + QObject::connect(panGesture, SIGNAL(triggered()), q, SLOT(_q_gestureTriggered())); } void QTextEditPrivate::_q_repaintContents(const QRectF &contentsRect) @@ -2610,6 +2617,25 @@ void QTextEdit::ensureCursorVisible() d->control->ensureCursorVisible(); } +void QTextEditPrivate::_q_gestureTriggered() +{ + Q_Q(QTextEdit); + QPanGesture *g = qobject_cast<QPanGesture*>(q->sender()); + if (!g) + return; + QScrollBar *hBar = q->horizontalScrollBar(); + QScrollBar *vBar = q->verticalScrollBar(); + QPoint delta = g->pos() - (g->lastPos().isNull() ? g->pos() : g->lastPos()); + if (!delta.isNull()) { + if (QApplication::isRightToLeft()) + delta.rx() *= -1; + int newX = hBar->value() - delta.x(); + int newY = vBar->value() - delta.y(); + hbar->setValue(newX); + vbar->setValue(newY); + } +} + /*! \enum QTextEdit::KeyboardAction diff --git a/src/gui/widgets/qtextedit.h b/src/gui/widgets/qtextedit.h index 617822a..9e10e07 100644 --- a/src/gui/widgets/qtextedit.h +++ b/src/gui/widgets/qtextedit.h @@ -414,6 +414,7 @@ private: Q_PRIVATE_SLOT(d_func(), void _q_currentCharFormatChanged(const QTextCharFormat &)) Q_PRIVATE_SLOT(d_func(), void _q_adjustScrollbars()) Q_PRIVATE_SLOT(d_func(), void _q_ensureVisible(const QRectF &)) + Q_PRIVATE_SLOT(d_func(), void _q_gestureTriggered()) friend class QTextEditControl; friend class QTextDocument; friend class QTextControl; diff --git a/src/gui/widgets/qtextedit_p.h b/src/gui/widgets/qtextedit_p.h index e7609d6..249331e 100644 --- a/src/gui/widgets/qtextedit_p.h +++ b/src/gui/widgets/qtextedit_p.h @@ -70,7 +70,7 @@ QT_BEGIN_NAMESPACE #ifndef QT_NO_TEXTEDIT class QMimeData; - +class QPanGesture; class QTextEditPrivate : public QAbstractScrollAreaPrivate { Q_DECLARE_PUBLIC(QTextEdit) @@ -129,6 +129,9 @@ public: QString anchorToScrollToWhenVisible; + void _q_gestureTriggered(); + QPanGesture *panGesture; + #ifdef QT_KEYPAD_NAVIGATION QBasicTimer deleteAllTimer; #endif |