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-rw-r--r--src/gui/kernel/qwidget.cpp196
1 files changed, 173 insertions, 23 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 6026821..304d72a 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1,7 +1,7 @@
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
@@ -34,7 +34,7 @@
** 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 qt-sales@nokia.com.
+** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -109,6 +109,7 @@
#include "private/qabstractscrollarea_p.h"
#include "private/qgraphicssystem_p.h"
+#include "private/qgesturemanager_p.h"
// widget/widget data creation count
//#define QWIDGET_EXTRA_DEBUG
@@ -127,6 +128,8 @@ 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()) &&
@@ -1052,7 +1055,7 @@ void QWidgetPrivate::adjustFlags(Qt::WindowFlags &flags, QWidget *w)
void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
{
Q_Q(QWidget);
- if (qApp->type() == QApplication::Tty)
+ if (QApplication::type() == QApplication::Tty)
qFatal("QWidget: Cannot create a QWidget when no GUI is being used");
Q_ASSERT(uncreatedWidgets);
@@ -1067,7 +1070,7 @@ void QWidgetPrivate::init(QWidget *parentWidget, Qt::WindowFlags f)
q->data = &data;
#ifndef QT_NO_THREAD
- if (!q->parent()) {
+ if (!parent) {
Q_ASSERT_X(q->thread() == qApp->thread(), "QWidget",
"Widgets must be created in the GUI thread.");
}
@@ -1345,7 +1348,7 @@ QWidget::~QWidget()
#ifdef QT3_SUPPORT
if (QApplicationPrivate::main_widget == this) { // reset main widget
QApplicationPrivate::main_widget = 0;
- qApp->quit();
+ QApplication::quit();
}
#endif
@@ -2034,8 +2037,8 @@ void QWidgetPrivate::deactivateWidgetCleanup()
{
Q_Q(QWidget);
// If this was the active application window, reset it
- if (qApp->activeWindow() == q)
- qApp->setActiveWindow(0);
+ if (QApplication::activeWindow() == q)
+ QApplication::setActiveWindow(0);
// If the is the active mouse press widget, reset it
if (q == qt_button_down)
qt_button_down = 0;
@@ -2236,7 +2239,7 @@ QStyle *QWidget::style() const
if (d->extra && d->extra->style)
return d->extra->style;
- return qApp->style();
+ return QApplication::style();
}
/*!
@@ -4993,7 +4996,7 @@ void QWidgetPrivate::drawWidget(QPaintDevice *pdev, const QRegion &rgn, const QP
QPoint scrollAreaOffset;
#ifndef QT_NO_SCROLLAREA
- QAbstractScrollArea *scrollArea = qobject_cast<QAbstractScrollArea *>(q->parent());
+ QAbstractScrollArea *scrollArea = qobject_cast<QAbstractScrollArea *>(parent);
if (scrollArea && scrollArea->viewport() == q) {
QObjectData *scrollPrivate = static_cast<QWidget *>(scrollArea)->d_ptr;
QAbstractScrollAreaPrivate *priv = static_cast<QAbstractScrollAreaPrivate *>(scrollPrivate);
@@ -5372,7 +5375,7 @@ QIcon QWidget::windowIcon() const
return *d->extra->topextra->icon;
w = w->parentWidget();
}
- return qApp->windowIcon();
+ return QApplication::windowIcon();
}
void QWidgetPrivate::setWindowIcon_helper()
@@ -5636,7 +5639,7 @@ bool QWidget::hasFocus() const
infinite recursion.
\sa hasFocus(), clearFocus(), focusInEvent(), focusOutEvent(),
- setFocusPolicy(), QApplication::focusWidget(), grabKeyboard(),
+ setFocusPolicy(), focusWidget(), QApplication::focusWidget(), grabKeyboard(),
grabMouse(), {Keyboard Focus}
*/
@@ -5857,7 +5860,7 @@ QWidget *QWidget::focusWidget() const
/*!
Returns the next widget in this widget's focus chain.
- \sa previousInFocusChain
+ \sa previousInFocusChain()
*/
QWidget *QWidget::nextInFocusChain() const
{
@@ -5867,7 +5870,7 @@ QWidget *QWidget::nextInFocusChain() const
/*!
Returns the previous widget in this widget's focus chain.
- \sa nextInFocusChain
+ \sa nextInFocusChain()
\since 4.6
*/
@@ -5894,7 +5897,7 @@ QWidget *QWidget::previousInFocusChain() const
bool QWidget::isActiveWindow() const
{
QWidget *tlw = window();
- if(tlw == qApp->activeWindow() || (isVisible() && (tlw->windowType() == Qt::Popup)))
+ if(tlw == QApplication::activeWindow() || (isVisible() && (tlw->windowType() == Qt::Popup)))
return true;
#ifndef QT_NO_GRAPHICSVIEW
@@ -5915,7 +5918,7 @@ bool QWidget::isActiveWindow() const
!tlw->isModal() &&
(!tlw->parentWidget() || tlw->parentWidget()->isActiveWindow()))
return true;
- QWidget *w = qApp->activeWindow();
+ QWidget *w = QApplication::activeWindow();
while(w && tlw->windowType() == Qt::Tool &&
!w->isModal() && w->parentWidget()) {
w = w->parentWidget()->window();
@@ -7085,7 +7088,7 @@ bool QWidgetPrivate::close_helper(CloseMode mode)
#ifdef QT3_SUPPORT
if (isMain)
- qApp->quit();
+ QApplication::quit();
#endif
// Attempt to close the application only if this widget has the
// WA_QuitOnClose flag set set and has a non-visible parent
@@ -7268,10 +7271,10 @@ QSize QWidgetPrivate::adjustedSize() const
if (q->isWindow()) {
Qt::Orientations exp;
- if (QLayout *l = q->layout()) {
- if (l->hasHeightForWidth())
- s.setHeight(l->totalHeightForWidth(s.width()));
- exp = l->expandingDirections();
+ if (layout) {
+ if (layout->hasHeightForWidth())
+ s.setHeight(layout->totalHeightForWidth(s.width()));
+ exp = layout->expandingDirections();
} else
{
if (q->sizePolicy().hasHeightForWidth())
@@ -7474,10 +7477,14 @@ bool QWidget::event(QEvent *event)
case QEvent::MouseButtonRelease:
case QEvent::MouseButtonDblClick:
case QEvent::MouseMove:
+ case QEvent::TouchBegin:
+ case QEvent::TouchUpdate:
+ case QEvent::TouchEnd:
case QEvent::ContextMenu:
#ifndef QT_NO_WHEELEVENT
case QEvent::Wheel:
#endif
+ case QEvent::Gesture:
return false;
default:
break;
@@ -7784,7 +7791,7 @@ bool QWidget::event(QEvent *event)
QList<QObject*> childList = d->children;
for (int i = 0; i < childList.size(); ++i) {
QObject *o = childList.at(i);
- if (o != qApp->activeModalWidget()) {
+ if (o != QApplication::activeModalWidget()) {
if (qobject_cast<QWidget *>(o) && static_cast<QWidget *>(o)->isWindow()) {
// do not forward the event to child windows,
// QApplication does this for us
@@ -7873,6 +7880,46 @@ 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:
+ {
+ QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
+ const QTouchEvent::TouchPoint &touchPoint = touchEvent->touchPoints().first();
+ if (touchPoint.isPrimary())
+ break;
+
+ // fake a mouse event!
+ QEvent::Type eventType = QEvent::None;
+ switch (touchEvent->type()) {
+ case QEvent::TouchBegin:
+ eventType = QEvent::MouseButtonPress;
+ break;
+ case QEvent::TouchUpdate:
+ eventType = QEvent::MouseMove;
+ break;
+ case QEvent::TouchEnd:
+ eventType = QEvent::MouseButtonRelease;
+ break;
+ default:
+ Q_ASSERT(!true);
+ break;
+ }
+ if (eventType == QEvent::None)
+ break;
+
+ QMouseEvent mouseEvent(eventType,
+ touchPoint.pos().toPoint(),
+ touchPoint.screenPos().toPoint(),
+ Qt::LeftButton,
+ Qt::LeftButton,
+ touchEvent->modifiers());
+ (void) QApplication::sendEvent(this, &mouseEvent);
+ break;
+ }
#ifndef QT_NO_PROPERTIES
case QEvent::DynamicPropertyChange: {
const QByteArray &propName = static_cast<QDynamicPropertyChangeEvent *>(event)->propertyName();
@@ -8007,9 +8054,9 @@ void QWidget::mousePressEvent(QMouseEvent *event)
if ((windowType() == Qt::Popup)) {
event->accept();
QWidget* w;
- while ((w = qApp->activePopupWidget()) && w != this){
+ while ((w = QApplication::activePopupWidget()) && w != this){
w->close();
- if (qApp->activePopupWidget() == w) // widget does not want to dissappear
+ if (QApplication::activePopupWidget() == w) // widget does not want to dissappear
w->hide(); // hide at least
}
if (!rect().contains(event->pos())){
@@ -9881,6 +9928,12 @@ void QWidget::setAttribute(Qt::WidgetAttribute attribute, bool on)
}
break;
+ case Qt::WA_AcceptTouchEvents:
+#if defined(Q_WS_WIN) || defined(Q_WS_MAC)
+ if (on)
+ d->registerTouchWindow();
+#endif
+ break;
default:
break;
}
@@ -10963,6 +11016,103 @@ 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)
+{
+ //###
+}
+
void QWidgetPrivate::getLayoutItemMargins(int *left, int *top, int *right, int *bottom) const
{
if (left)
generated by cgit v0.12 at 2024-09-21 16:52:52 (GMT)