--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qwsmanager_qws.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,535 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** 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 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwsmanager_qws.h"
+
+#ifndef QT_NO_QWS_MANAGER
+
+#include "qdrawutil.h"
+#include "qapplication.h"
+#include "qstyle.h"
+#include "qwidget.h"
+#include "qmenu.h"
+#include "qpainter.h"
+#include "private/qpainter_p.h"
+#include "qregion.h"
+#include "qevent.h"
+#include "qcursor.h"
+#include "qwsdisplay_qws.h"
+#include "qdesktopwidget.h"
+
+#include <private/qapplication_p.h>
+#include <private/qwidget_p.h>
+#include <private/qbackingstore_p.h>
+#include <private/qwindowsurface_qws_p.h>
+#include "qdecorationfactory_qws.h"
+
+#include "qlayout.h"
+
+#include "qwsmanager_p.h"
+
+#include <qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+QWidget *QWSManagerPrivate::active = 0;
+QPoint QWSManagerPrivate::mousePos;
+
+
+QWSManagerPrivate::QWSManagerPrivate()
+ : QObjectPrivate(), activeRegion(QDecoration::None), managed(0), popup(0),
+ previousRegionType(0), previousRegionRepainted(false), entireDecorationNeedsRepaint(false)
+{
+ cached_region.regionType = 0;
+}
+
+QRegion &QWSManager::cachedRegion()
+{
+ return d_func()->cached_region.region;
+}
+
+/*!
+ \class QWSManager
+ \ingroup qws
+ \internal
+*/
+
+/*!
+
+*/
+QWSManager::QWSManager(QWidget *w)
+ : QObject(*new QWSManagerPrivate, (QObject*)0)
+{
+ d_func()->managed = w;
+
+}
+
+QWSManager::~QWSManager()
+{
+ Q_D(QWSManager);
+#ifndef QT_NO_MENU
+ if (d->popup)
+ delete d->popup;
+#endif
+ if (d->managed == QWSManagerPrivate::active)
+ QWSManagerPrivate::active = 0;
+}
+
+QWidget *QWSManager::widget()
+{
+ Q_D(QWSManager);
+ return d->managed;
+}
+
+QWidget *QWSManager::grabbedMouse()
+{
+ return QWSManagerPrivate::active;
+}
+
+QRegion QWSManager::region()
+{
+ Q_D(QWSManager);
+ return QApplication::qwsDecoration().region(d->managed, d->managed->geometry());
+}
+
+bool QWSManager::event(QEvent *e)
+{
+ if (QObject::event(e))
+ return true;
+
+ switch (e->type()) {
+ case QEvent::MouseMove:
+ mouseMoveEvent((QMouseEvent*)e);
+ break;
+
+ case QEvent::MouseButtonPress:
+ mousePressEvent((QMouseEvent*)e);
+ break;
+
+ case QEvent::MouseButtonRelease:
+ mouseReleaseEvent((QMouseEvent*)e);
+ break;
+
+ case QEvent::MouseButtonDblClick:
+ mouseDoubleClickEvent((QMouseEvent*)e);
+ break;
+
+ case QEvent::Paint:
+ paintEvent((QPaintEvent*)e);
+ break;
+
+ default:
+ return false;
+ break;
+ }
+
+ return true;
+}
+
+void QWSManager::mousePressEvent(QMouseEvent *e)
+{
+ Q_D(QWSManager);
+ d->mousePos = e->globalPos();
+ d->activeRegion = QApplication::qwsDecoration().regionAt(d->managed, d->mousePos);
+ if(d->cached_region.regionType)
+ d->previousRegionRepainted |= repaintRegion(d->cached_region.regionType, QDecoration::Pressed);
+
+ if (d->activeRegion == QDecoration::Menu) {
+ QPoint pos = (QApplication::layoutDirection() == Qt::LeftToRight
+ ? d->managed->geometry().topLeft()
+ : d->managed->geometry().topRight());
+ menu(pos);
+ }
+ if (d->activeRegion != QDecoration::None &&
+ d->activeRegion != QDecoration::Menu) {
+ d->active = d->managed;
+ d->managed->grabMouse();
+ }
+ if (d->activeRegion != QDecoration::None &&
+ d->activeRegion != QDecoration::Close &&
+ d->activeRegion != QDecoration::Minimize &&
+ d->activeRegion != QDecoration::Menu) {
+ d->managed->raise();
+ }
+
+ if (e->button() == Qt::RightButton) {
+ menu(e->globalPos());
+ }
+}
+
+void QWSManager::mouseReleaseEvent(QMouseEvent *e)
+{
+ Q_D(QWSManager);
+ d->managed->releaseMouse();
+ if (d->cached_region.regionType && d->previousRegionRepainted && QApplication::mouseButtons() == 0) {
+ bool doesHover = repaintRegion(d->cached_region.regionType, QDecoration::Hover);
+ if (!doesHover) {
+ repaintRegion(d->cached_region.regionType, QDecoration::Normal);
+ d->previousRegionRepainted = false;
+ }
+ }
+
+ if (e->button() == Qt::LeftButton) {
+ //handleMove();
+ int itm = QApplication::qwsDecoration().regionAt(d->managed, e->globalPos());
+ int activatedItem = d->activeRegion;
+ d->activeRegion = QDecoration::None;
+ d->active = 0;
+ if (activatedItem == itm)
+ QApplication::qwsDecoration().regionClicked(d->managed, itm);
+ } else if (d->activeRegion == QDecoration::None) {
+ d->active = 0;
+ }
+}
+
+void QWSManager::mouseDoubleClickEvent(QMouseEvent *e)
+{
+ Q_D(QWSManager);
+ if (e->button() == Qt::LeftButton)
+ QApplication::qwsDecoration().regionDoubleClicked(d->managed,
+ QApplication::qwsDecoration().regionAt(d->managed, e->globalPos()));
+}
+
+static inline Qt::CursorShape regionToShape(int region)
+{
+ if (region == QDecoration::None)
+ return Qt::ArrowCursor;
+
+ static const struct {
+ int region;
+ Qt::CursorShape shape;
+ } r2s[] = {
+ { QDecoration::TopLeft, Qt::SizeFDiagCursor },
+ { QDecoration::Top, Qt::SizeVerCursor},
+ { QDecoration::TopRight, Qt::SizeBDiagCursor},
+ { QDecoration::Left, Qt::SizeHorCursor},
+ { QDecoration::Right, Qt::SizeHorCursor},
+ { QDecoration::BottomLeft, Qt::SizeBDiagCursor},
+ { QDecoration::Bottom, Qt::SizeVerCursor},
+ { QDecoration::BottomRight, Qt::SizeFDiagCursor},
+ { QDecoration::None, Qt::ArrowCursor}
+ };
+
+ int i = 0;
+ while (region != r2s[i].region && r2s[i].region)
+ ++i;
+ return r2s[i].shape;
+}
+
+void QWSManager::mouseMoveEvent(QMouseEvent *e)
+{
+ Q_D(QWSManager);
+ if (d->newCachedRegion(e->globalPos())) {
+ if(d->previousRegionType && d->previousRegionRepainted)
+ repaintRegion(d->previousRegionType, QDecoration::Normal);
+ if(d->cached_region.regionType) {
+ d->previousRegionRepainted = repaintRegion(d->cached_region.regionType, QDecoration::Hover);
+ }
+ }
+
+
+#ifndef QT_NO_CURSOR
+ QWSDisplay *qwsd = QApplication::desktop()->qwsDisplay();
+ qwsd->selectCursor(d->managed, regionToShape(d->cachedRegionAt()));
+#endif //QT_NO_CURSOR
+
+ if (d->activeRegion)
+ handleMove(e->globalPos());
+}
+
+void QWSManager::handleMove(QPoint g)
+{
+ Q_D(QWSManager);
+
+ // don't allow dragging to where the user probably cannot click!
+ QApplicationPrivate *ap = QApplicationPrivate::instance();
+ const QRect maxWindowRect = ap->maxWindowRect(qt_screen);
+ if (maxWindowRect.isValid()) {
+ if (g.x() < maxWindowRect.x())
+ g.setX(maxWindowRect.x());
+ if (g.y() < maxWindowRect.y())
+ g.setY(maxWindowRect.y());
+ if (g.x() > maxWindowRect.right())
+ g.setX(maxWindowRect.right());
+ if (g.y() > maxWindowRect.bottom())
+ g.setY(maxWindowRect.bottom());
+ }
+
+ if (g == d->mousePos)
+ return;
+
+ if ( d->managed->isMaximized() )
+ return;
+
+ int x = d->managed->geometry().x();
+ int y = d->managed->geometry().y();
+ int w = d->managed->width();
+ int h = d->managed->height();
+
+ QRect geom(d->managed->geometry());
+
+ QPoint delta = g - d->mousePos;
+ d->mousePos = g;
+
+ if (d->activeRegion == QDecoration::Title) {
+ geom = QRect(x + delta.x(), y + delta.y(), w, h);
+ } else {
+ bool keepTop = true;
+ bool keepLeft = true;
+ switch (d->activeRegion) {
+ case QDecoration::Top:
+ geom.setTop(geom.top() + delta.y());
+ keepTop = false;
+ break;
+ case QDecoration::Bottom:
+ geom.setBottom(geom.bottom() + delta.y());
+ keepTop = true;
+ break;
+ case QDecoration::Left:
+ geom.setLeft(geom.left() + delta.x());
+ keepLeft = false;
+ break;
+ case QDecoration::Right:
+ geom.setRight(geom.right() + delta.x());
+ keepLeft = true;
+ break;
+ case QDecoration::TopRight:
+ geom.setTopRight(geom.topRight() + delta);
+ keepLeft = true;
+ keepTop = false;
+ break;
+ case QDecoration::TopLeft:
+ geom.setTopLeft(geom.topLeft() + delta);
+ keepLeft = false;
+ keepTop = false;
+ break;
+ case QDecoration::BottomLeft:
+ geom.setBottomLeft(geom.bottomLeft() + delta);
+ keepLeft = false;
+ keepTop = true;
+ break;
+ case QDecoration::BottomRight:
+ geom.setBottomRight(geom.bottomRight() + delta);
+ keepLeft = true;
+ keepTop = true;
+ break;
+ default:
+ return;
+ }
+
+ QSize newSize = QLayout::closestAcceptableSize(d->managed, geom.size());
+
+ int dx = newSize.width() - geom.width();
+ int dy = newSize.height() - geom.height();
+
+ if (keepTop) {
+ geom.setBottom(geom.bottom() + dy);
+ d->mousePos.ry() += dy;
+ } else {
+ geom.setTop(geom.top() - dy);
+ d->mousePos.ry() -= dy;
+ }
+ if (keepLeft) {
+ geom.setRight(geom.right() + dx);
+ d->mousePos.rx() += dx;
+ } else {
+ geom.setLeft(geom.left() - dx);
+ d->mousePos.rx() -= dx;
+ }
+ }
+ if (geom != d->managed->geometry()) {
+ QApplication::sendPostedEvents();
+ d->managed->setGeometry(geom);
+ }
+}
+
+void QWSManager::paintEvent(QPaintEvent *)
+{
+ Q_D(QWSManager);
+ d->dirtyRegion(QDecoration::All, QDecoration::Normal);
+}
+
+void QWSManagerPrivate::dirtyRegion(int decorationRegion,
+ QDecoration::DecorationState state,
+ const QRegion &clip)
+{
+ QTLWExtra *topextra = managed->d_func()->extra->topextra;
+ QWidgetBackingStore *bs = topextra->backingStore;
+ const bool pendingUpdateRequest = bs->isDirty();
+
+ if (decorationRegion == QDecoration::All) {
+ if (clip.isEmpty())
+ entireDecorationNeedsRepaint = true;
+ dirtyRegions.clear();
+ dirtyStates.clear();
+ }
+ int i = dirtyRegions.indexOf(decorationRegion);
+ if (i >= 0) {
+ dirtyRegions.removeAt(i);
+ dirtyStates.removeAt(i);
+ }
+
+ dirtyRegions.append(decorationRegion);
+ dirtyStates.append(state);
+ if (!entireDecorationNeedsRepaint)
+ dirtyClip += clip;
+
+ if (!pendingUpdateRequest)
+ QApplication::postEvent(managed, new QEvent(QEvent::UpdateRequest), Qt::LowEventPriority);
+}
+
+void QWSManagerPrivate::clearDirtyRegions()
+{
+ dirtyRegions.clear();
+ dirtyStates.clear();
+ dirtyClip = QRegion();
+ entireDecorationNeedsRepaint = false;
+}
+
+bool QWSManager::repaintRegion(int decorationRegion, QDecoration::DecorationState state)
+{
+ Q_D(QWSManager);
+
+ d->dirtyRegion(decorationRegion, state);
+ return true;
+}
+
+void QWSManager::menu(const QPoint &pos)
+{
+#ifdef QT_NO_MENU
+ Q_UNUSED(pos);
+#else
+ Q_D(QWSManager);
+ if (d->popup)
+ delete d->popup;
+
+ // Basic window operation menu
+ d->popup = new QMenu();
+ QApplication::qwsDecoration().buildSysMenu(d->managed, d->popup);
+ connect(d->popup, SIGNAL(triggered(QAction*)), SLOT(menuTriggered(QAction*)));
+
+ d->popup->popup(pos);
+ d->activeRegion = QDecoration::None;
+#endif // QT_NO_MENU
+}
+
+void QWSManager::menuTriggered(QAction *action)
+{
+#ifdef QT_NO_MENU
+ Q_UNUSED(action);
+#else
+ Q_D(QWSManager);
+ QApplication::qwsDecoration().menuTriggered(d->managed, action);
+ d->popup->deleteLater();
+ d->popup = 0;
+#endif
+}
+
+void QWSManager::startMove()
+{
+ Q_D(QWSManager);
+ d->mousePos = QCursor::pos();
+ d->activeRegion = QDecoration::Title;
+ d->active = d->managed;
+ d->managed->grabMouse();
+}
+
+void QWSManager::startResize()
+{
+ Q_D(QWSManager);
+ d->activeRegion = QDecoration::BottomRight;
+ d->active = d->managed;
+ d->managed->grabMouse();
+}
+
+void QWSManager::maximize()
+{
+ Q_D(QWSManager);
+ // find out how much space the decoration needs
+ const int screen = QApplication::desktop()->screenNumber(d->managed);
+ const QRect desk = QApplication::desktop()->availableGeometry(screen);
+ QRect dummy(0, 0, 1, 1);
+ QRect nr;
+ QRegion r = QApplication::qwsDecoration().region(d->managed, dummy);
+ if (r.isEmpty()) {
+ nr = desk;
+ } else {
+ r += dummy; // make sure we get the full window region in case of 0 width borders
+ QRect rect = r.boundingRect();
+ nr = QRect(desk.x()-rect.x(), desk.y()-rect.y(),
+ desk.width() - (rect.width()==1 ? 0 : rect.width()-1), // ==1 -> dummy
+ desk.height() - (rect.height()==1 ? 0 : rect.height()-1));
+ }
+ d->managed->setGeometry(nr);
+}
+
+bool QWSManagerPrivate::newCachedRegion(const QPoint &pos)
+{
+ // Check if anything has changed that would affect the region caching
+ if (managed->windowFlags() == cached_region.windowFlags
+ && managed->geometry() == cached_region.windowGeometry
+ && cached_region.region.contains(pos))
+ return false;
+
+ // Update the cached region
+ int reg = QApplication::qwsDecoration().regionAt(managed, pos);
+ if (QWidget::mouseGrabber())
+ reg = QDecoration::None;
+
+ previousRegionType = cached_region.regionType;
+ cached_region.regionType = reg;
+ cached_region.region = QApplication::qwsDecoration().region(managed, managed->geometry(),
+ reg);
+ // Make room for borders around the widget, even if the decoration doesn't have a frame.
+ if (reg && !(reg & int(QDecoration::Borders))) {
+ cached_region.region -= QApplication::qwsDecoration().region(managed, managed->geometry(), QDecoration::Borders);
+ }
+ cached_region.windowFlags = managed->windowFlags();
+ cached_region.windowGeometry = managed->geometry();
+// QRect rec = cached_region.region.boundingRect();
+// qDebug("Updated cached region: 0x%04x (%d, %d) (%d, %d, %d, %d)",
+// reg, pos.x(), pos.y(), rec.x(), rec.y(), rec.right(), rec.bottom());
+ return true;
+}
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_QWS_MANAGER