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Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativeitem_p.h')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativeitem_p.h | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativeitem_p.h b/src/declarative/graphicsitems/qdeclarativeitem_p.h new file mode 100644 index 0000000..81c5688 --- /dev/null +++ b/src/declarative/graphicsitems/qdeclarativeitem_p.h @@ -0,0 +1,471 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVEITEM_P_H +#define QDECLARATIVEITEM_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 "qdeclarativeitem.h" + +#include "qdeclarativeanchors_p.h" +#include "qdeclarativeanchors_p_p.h" +#include "qdeclarativeitemchangelistener_p.h" +#include <private/qpodvector_p.h> + +#include "../util/qdeclarativestate_p.h" +#include "../util/qdeclarativenullablevalue_p_p.h" +#include <qdeclarative.h> +#include <qdeclarativecontext.h> + +#include <QtCore/qlist.h> +#include <QtCore/qdebug.h> + +#include <private/qgraphicsitem_p.h> + +QT_BEGIN_NAMESPACE + +class QNetworkReply; +class QDeclarativeItemKeyFilter; + +//### merge into private? +class QDeclarativeContents : public QObject +{ + Q_OBJECT +public: + QDeclarativeContents(); + + QRectF rectF() const; + + void setItem(QDeclarativeItem *item); + +public Q_SLOTS: + void calcHeight(); + void calcWidth(); + +Q_SIGNALS: + void rectChanged(); + +private: + QDeclarativeItem *m_item; + qreal m_x; + qreal m_y; + qreal m_width; + qreal m_height; +}; + +class QDeclarativeItemPrivate : public QGraphicsItemPrivate +{ + Q_DECLARE_PUBLIC(QDeclarativeItem) + +public: + QDeclarativeItemPrivate() + : _anchors(0), _contents(0), + _baselineOffset(0), + _anchorLines(0), + _stateGroup(0), origin(QDeclarativeItem::Center), + widthValid(false), heightValid(false), + _componentComplete(true), _keepMouse(false), + smooth(false), keyHandler(0), + width(0), height(0), implicitWidth(0), implicitHeight(0) + { + QGraphicsItemPrivate::acceptedMouseButtons = 0; + QGraphicsItemPrivate::flags = QGraphicsItem::GraphicsItemFlags( + QGraphicsItem::ItemHasNoContents + | QGraphicsItem::ItemIsFocusable + | QGraphicsItem::ItemNegativeZStacksBehindParent); + + } + + void init(QDeclarativeItem *parent) + { + Q_Q(QDeclarativeItem); + + if (parent) + q->setParentItem(parent); + _baselineOffset.invalidate(); + mouseSetsFocus = false; + } + + QString _id; + + // data property + static void data_append(QDeclarativeListProperty<QObject> *, QObject *); + + // resources property + static QObject *resources_at(QDeclarativeListProperty<QObject> *, int); + static void resources_append(QDeclarativeListProperty<QObject> *, QObject *); + static int resources_count(QDeclarativeListProperty<QObject> *); + + // children property + static QDeclarativeItem *children_at(QDeclarativeListProperty<QDeclarativeItem> *, int); + static void children_append(QDeclarativeListProperty<QDeclarativeItem> *, QDeclarativeItem *); + static int children_count(QDeclarativeListProperty<QDeclarativeItem> *); + + // transform property + static int transform_count(QDeclarativeListProperty<QGraphicsTransform> *list); + static void transform_append(QDeclarativeListProperty<QGraphicsTransform> *list, QGraphicsTransform *); + static QGraphicsTransform *transform_at(QDeclarativeListProperty<QGraphicsTransform> *list, int); + static void transform_clear(QDeclarativeListProperty<QGraphicsTransform> *list); + + QDeclarativeAnchors *anchors() { + if (!_anchors) { + Q_Q(QDeclarativeItem); + _anchors = new QDeclarativeAnchors(q); + if (!_componentComplete) + _anchors->classBegin(); + } + return _anchors; + } + QDeclarativeAnchors *_anchors; + QDeclarativeContents *_contents; + + QDeclarativeNullableValue<qreal> _baselineOffset; + + struct AnchorLines { + AnchorLines(QDeclarativeItem *); + QDeclarativeAnchorLine left; + QDeclarativeAnchorLine right; + QDeclarativeAnchorLine hCenter; + QDeclarativeAnchorLine top; + QDeclarativeAnchorLine bottom; + QDeclarativeAnchorLine vCenter; + QDeclarativeAnchorLine baseline; + }; + mutable AnchorLines *_anchorLines; + AnchorLines *anchorLines() const { + Q_Q(const QDeclarativeItem); + if (!_anchorLines) _anchorLines = + new AnchorLines(const_cast<QDeclarativeItem *>(q)); + return _anchorLines; + } + + enum ChangeType { + Geometry = 0x01, + SiblingOrder = 0x02, + Visibility = 0x04, + Opacity = 0x08, + Destroyed = 0x10 + }; + + Q_DECLARE_FLAGS(ChangeTypes, ChangeType) + + struct ChangeListener { + ChangeListener(QDeclarativeItemChangeListener *l, QDeclarativeItemPrivate::ChangeTypes t) : listener(l), types(t) {} + QDeclarativeItemChangeListener *listener; + QDeclarativeItemPrivate::ChangeTypes types; + bool operator==(const ChangeListener &other) const { return listener == other.listener && types == other.types; } + }; + + void addItemChangeListener(QDeclarativeItemChangeListener *listener, ChangeTypes types) { + changeListeners.append(ChangeListener(listener, types)); + } + void removeItemChangeListener(QDeclarativeItemChangeListener *, ChangeTypes types); + QPODVector<ChangeListener,4> changeListeners; + + QDeclarativeStateGroup *states(); + QDeclarativeStateGroup *_stateGroup; + + QDeclarativeItem::TransformOrigin origin:4; + bool widthValid:1; + bool heightValid:1; + bool _componentComplete:1; + bool _keepMouse:1; + bool smooth:1; + + QDeclarativeItemKeyFilter *keyHandler; + + qreal width; + qreal height; + qreal implicitWidth; + qreal implicitHeight; + + QPointF computeTransformOrigin() const; + + virtual void setPosHelper(const QPointF &pos) + { + Q_Q(QDeclarativeItem); + QRectF oldGeometry(this->pos.x(), this->pos.y(), width, height); + QGraphicsItemPrivate::setPosHelper(pos); + q->geometryChanged(QRectF(this->pos.x(), this->pos.y(), width, height), oldGeometry); + } + + // Reimplemented from QGraphicsItemPrivate + virtual void subFocusItemChange() + { + emit q_func()->wantsFocusChanged(); + } + + // Reimplemented from QGraphicsItemPrivate + virtual void siblingOrderChange() + { + Q_Q(QDeclarativeItem); + for(int ii = 0; ii < changeListeners.count(); ++ii) { + const QDeclarativeItemPrivate::ChangeListener &change = changeListeners.at(ii); + if (change.types & QDeclarativeItemPrivate::SiblingOrder) { + change.listener->itemSiblingOrderChanged(q); + } + } + } + + static int consistentTime; + static QTime currentTime(); + static void Q_DECLARATIVE_EXPORT setConsistentTime(int t); + static void start(QTime &); + static int elapsed(QTime &); + static int restart(QTime &); +}; + +/* + Key filters can be installed on a QDeclarativeItem, but not removed. Currently they + are only used by attached objects (which are only destroyed on Item + destruction), so this isn't a problem. If in future this becomes any form + of public API, they will have to support removal too. +*/ +class QDeclarativeItemKeyFilter +{ +public: + QDeclarativeItemKeyFilter(QDeclarativeItem * = 0); + virtual ~QDeclarativeItemKeyFilter(); + + virtual void keyPressed(QKeyEvent *event); + virtual void keyReleased(QKeyEvent *event); + virtual void inputMethodEvent(QInputMethodEvent *event); + virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const; + virtual void componentComplete(); + +private: + QDeclarativeItemKeyFilter *m_next; +}; + +class QDeclarativeKeyNavigationAttachedPrivate : public QObjectPrivate +{ +public: + QDeclarativeKeyNavigationAttachedPrivate() + : QObjectPrivate(), left(0), right(0), up(0), down(0) {} + + QDeclarativeItem *left; + QDeclarativeItem *right; + QDeclarativeItem *up; + QDeclarativeItem *down; +}; + +class QDeclarativeKeyNavigationAttached : public QObject, public QDeclarativeItemKeyFilter +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QDeclarativeKeyNavigationAttached) + + Q_PROPERTY(QDeclarativeItem *left READ left WRITE setLeft NOTIFY changed) + Q_PROPERTY(QDeclarativeItem *right READ right WRITE setRight NOTIFY changed) + Q_PROPERTY(QDeclarativeItem *up READ up WRITE setUp NOTIFY changed) + Q_PROPERTY(QDeclarativeItem *down READ down WRITE setDown NOTIFY changed) +public: + QDeclarativeKeyNavigationAttached(QObject * = 0); + + QDeclarativeItem *left() const; + void setLeft(QDeclarativeItem *); + QDeclarativeItem *right() const; + void setRight(QDeclarativeItem *); + QDeclarativeItem *up() const; + void setUp(QDeclarativeItem *); + QDeclarativeItem *down() const; + void setDown(QDeclarativeItem *); + + static QDeclarativeKeyNavigationAttached *qmlAttachedProperties(QObject *); + +Q_SIGNALS: + void changed(); + +private: + virtual void keyPressed(QKeyEvent *event); + virtual void keyReleased(QKeyEvent *event); +}; + +class QDeclarativeKeysAttachedPrivate : public QObjectPrivate +{ +public: + QDeclarativeKeysAttachedPrivate() + : QObjectPrivate(), inPress(false), inRelease(false) + , inIM(false), enabled(true), imeItem(0), item(0) + {} + + bool isConnected(const char *signalName); + + QGraphicsItem *finalFocusProxy(QGraphicsItem *item) const + { + QGraphicsItem *fp; + while ((fp = item->focusProxy())) + item = fp; + return item; + } + + //loop detection + bool inPress:1; + bool inRelease:1; + bool inIM:1; + + bool enabled : 1; + + QGraphicsItem *imeItem; + QList<QDeclarativeItem *> targets; + QDeclarativeItem *item; +}; + +class QDeclarativeKeysAttached : public QObject, public QDeclarativeItemKeyFilter +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QDeclarativeKeysAttached) + + Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged) + Q_PROPERTY(QDeclarativeListProperty<QDeclarativeItem> forwardTo READ forwardTo) + +public: + QDeclarativeKeysAttached(QObject *parent=0); + ~QDeclarativeKeysAttached(); + + bool enabled() const { Q_D(const QDeclarativeKeysAttached); return d->enabled; } + void setEnabled(bool enabled) { + Q_D(QDeclarativeKeysAttached); + if (enabled != d->enabled) { + d->enabled = enabled; + emit enabledChanged(); + } + } + + QDeclarativeListProperty<QDeclarativeItem> forwardTo() { + Q_D(QDeclarativeKeysAttached); + return QDeclarativeListProperty<QDeclarativeItem>(this, d->targets); + } + + virtual void componentComplete(); + + static QDeclarativeKeysAttached *qmlAttachedProperties(QObject *); + +Q_SIGNALS: + void enabledChanged(); + void pressed(QDeclarativeKeyEvent *event); + void released(QDeclarativeKeyEvent *event); + void digit0Pressed(QDeclarativeKeyEvent *event); + void digit1Pressed(QDeclarativeKeyEvent *event); + void digit2Pressed(QDeclarativeKeyEvent *event); + void digit3Pressed(QDeclarativeKeyEvent *event); + void digit4Pressed(QDeclarativeKeyEvent *event); + void digit5Pressed(QDeclarativeKeyEvent *event); + void digit6Pressed(QDeclarativeKeyEvent *event); + void digit7Pressed(QDeclarativeKeyEvent *event); + void digit8Pressed(QDeclarativeKeyEvent *event); + void digit9Pressed(QDeclarativeKeyEvent *event); + + void leftPressed(QDeclarativeKeyEvent *event); + void rightPressed(QDeclarativeKeyEvent *event); + void upPressed(QDeclarativeKeyEvent *event); + void downPressed(QDeclarativeKeyEvent *event); + + void asteriskPressed(QDeclarativeKeyEvent *event); + void numberSignPressed(QDeclarativeKeyEvent *event); + void escapePressed(QDeclarativeKeyEvent *event); + void returnPressed(QDeclarativeKeyEvent *event); + void enterPressed(QDeclarativeKeyEvent *event); + void deletePressed(QDeclarativeKeyEvent *event); + void spacePressed(QDeclarativeKeyEvent *event); + void backPressed(QDeclarativeKeyEvent *event); + void cancelPressed(QDeclarativeKeyEvent *event); + void selectPressed(QDeclarativeKeyEvent *event); + void yesPressed(QDeclarativeKeyEvent *event); + void noPressed(QDeclarativeKeyEvent *event); + void context1Pressed(QDeclarativeKeyEvent *event); + void context2Pressed(QDeclarativeKeyEvent *event); + void context3Pressed(QDeclarativeKeyEvent *event); + void context4Pressed(QDeclarativeKeyEvent *event); + void callPressed(QDeclarativeKeyEvent *event); + void hangupPressed(QDeclarativeKeyEvent *event); + void flipPressed(QDeclarativeKeyEvent *event); + void menuPressed(QDeclarativeKeyEvent *event); + void volumeUpPressed(QDeclarativeKeyEvent *event); + void volumeDownPressed(QDeclarativeKeyEvent *event); + +private: + virtual void keyPressed(QKeyEvent *event); + virtual void keyReleased(QKeyEvent *event); + virtual void inputMethodEvent(QInputMethodEvent *); + virtual QVariant inputMethodQuery(Qt::InputMethodQuery query) const; + + const QByteArray keyToSignal(int key) { + QByteArray keySignal; + if (key >= Qt::Key_0 && key <= Qt::Key_9) { + keySignal = "digit0Pressed"; + keySignal[5] = '0' + (key - Qt::Key_0); + } else { + int i = 0; + while (sigMap[i].key && sigMap[i].key != key) + ++i; + keySignal = sigMap[i].sig; + } + return keySignal; + } + + struct SigMap { + int key; + const char *sig; + }; + + static const SigMap sigMap[]; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativeItemPrivate::ChangeTypes); + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarativeKeysAttached) +QML_DECLARE_TYPEINFO(QDeclarativeKeysAttached, QML_HAS_ATTACHED_PROPERTIES) +QML_DECLARE_TYPE(QDeclarativeKeyNavigationAttached) +QML_DECLARE_TYPEINFO(QDeclarativeKeyNavigationAttached, QML_HAS_ATTACHED_PROPERTIES) + +#endif // QDECLARATIVEITEM_P_H |