author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:46:37 +0200 | |
branch | RCL_3 |
changeset 5 | d3bac044e0f0 |
parent 4 | 3b1da2848fc7 |
child 7 | 3f74d0d4af4c |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
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** |
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3b1da2848fc7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qglobal.h" |
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#ifndef QT_NO_GRAPHICSVIEW |
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#include <QtCore/qdebug.h> |
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#include "qgraphicswidget_p.h" |
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#include "qgraphicslayout.h" |
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#include "qgraphicsscene_p.h" |
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#include <QtGui/qapplication.h> |
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#include <QtGui/qgraphicsscene.h> |
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#include <QtGui/qstyleoption.h> |
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#include <QtGui/QStyleOptionTitleBar> |
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#include <QtGui/QGraphicsSceneMouseEvent> |
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#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC) |
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# include <QMacStyle> |
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#endif |
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QT_BEGIN_NAMESPACE |
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void QGraphicsWidgetPrivate::init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags) |
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{ |
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Q_Q(QGraphicsWidget); |
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attributes = 0; |
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isWidget = 1; // QGraphicsItem::isWidget() returns true. |
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focusNext = focusPrev = q; |
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focusPolicy = Qt::NoFocus; |
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adjustWindowFlags(&wFlags); |
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windowFlags = wFlags; |
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q->setParentItem(parentItem); |
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q->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred, QSizePolicy::DefaultType)); |
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q->setGraphicsItem(q); |
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resolveLayoutDirection(); |
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q->unsetWindowFrameMargins(); |
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q->setFlag(QGraphicsItem::ItemUsesExtendedStyleOption); |
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q->setFlag(QGraphicsItem::ItemSendsGeometryChanges); |
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} |
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||
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qreal QGraphicsWidgetPrivate::titleBarHeight(const QStyleOptionTitleBar &options) const |
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{ |
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Q_Q(const QGraphicsWidget); |
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int height = q->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options); |
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#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC) |
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if (qobject_cast<QMacStyle*>(q->style())) { |
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height -=4; |
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} |
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#endif |
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return (qreal)height; |
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} |
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/*! |
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\internal |
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*/ |
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QGraphicsWidgetPrivate::~QGraphicsWidgetPrivate() |
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{ |
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// Remove any lazily allocated data |
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delete[] margins; |
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delete[] windowFrameMargins; |
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delete windowData; |
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} |
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/*! |
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\internal |
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Ensures that margins is allocated. |
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This function must be called before any dereferencing. |
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*/ |
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void QGraphicsWidgetPrivate::ensureMargins() const |
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{ |
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if (!margins) { |
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margins = new qreal[4]; |
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for (int i = 0; i < 4; ++i) |
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margins[i] = 0; |
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} |
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} |
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/*! |
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\internal |
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Ensures that windowFrameMargins is allocated. |
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This function must be called before any dereferencing. |
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*/ |
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void QGraphicsWidgetPrivate::ensureWindowFrameMargins() const |
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{ |
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if (!windowFrameMargins) { |
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windowFrameMargins = new qreal[4]; |
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for (int i = 0; i < 4; ++i) |
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windowFrameMargins[i] = 0; |
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} |
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} |
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/*! |
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\internal |
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Ensures that windowData is allocated. |
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This function must be called before any dereferencing. |
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*/ |
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void QGraphicsWidgetPrivate::ensureWindowData() |
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{ |
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if (!windowData) |
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windowData = new WindowData; |
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} |
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void QGraphicsWidgetPrivate::setPalette_helper(const QPalette &palette) |
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{ |
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if (this->palette == palette && this->palette.resolve() == palette.resolve()) |
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return; |
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updatePalette(palette); |
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} |
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void QGraphicsWidgetPrivate::resolvePalette(uint inheritedMask) |
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{ |
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inheritedPaletteResolveMask = inheritedMask; |
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QPalette naturalPalette = naturalWidgetPalette(); |
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QPalette resolvedPalette = palette.resolve(naturalPalette); |
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updatePalette(resolvedPalette); |
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} |
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void QGraphicsWidgetPrivate::updatePalette(const QPalette &palette) |
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{ |
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Q_Q(QGraphicsWidget); |
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// Update local palette setting. |
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this->palette = palette; |
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// Calculate new mask. |
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if (q->isWindow() && !q->testAttribute(Qt::WA_WindowPropagation)) |
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inheritedPaletteResolveMask = 0; |
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int mask = palette.resolve() | inheritedPaletteResolveMask; |
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// Propagate to children. |
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for (int i = 0; i < children.size(); ++i) { |
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QGraphicsItem *item = children.at(i); |
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if (item->isWidget()) { |
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QGraphicsWidget *w = static_cast<QGraphicsWidget *>(item); |
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if (!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation)) |
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w->d_func()->resolvePalette(mask); |
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} else { |
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item->d_ptr->resolvePalette(mask); |
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} |
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} |
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// Notify change. |
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QEvent event(QEvent::PaletteChange); |
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QApplication::sendEvent(q, &event); |
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} |
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void QGraphicsWidgetPrivate::setLayoutDirection_helper(Qt::LayoutDirection direction) |
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{ |
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Q_Q(QGraphicsWidget); |
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if ((direction == Qt::RightToLeft) == (testAttribute(Qt::WA_RightToLeft))) |
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return; |
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q->setAttribute(Qt::WA_RightToLeft, (direction == Qt::RightToLeft)); |
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// Propagate this change to all children. |
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for (int i = 0; i < children.size(); ++i) { |
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QGraphicsItem *item = children.at(i); |
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if (item->isWidget()) { |
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QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item); |
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if (widget->parentWidget() && !widget->testAttribute(Qt::WA_SetLayoutDirection)) |
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widget->d_func()->setLayoutDirection_helper(direction); |
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} |
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} |
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// Send the notification event to this widget item. |
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QEvent e(QEvent::LayoutDirectionChange); |
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QApplication::sendEvent(q, &e); |
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} |
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void QGraphicsWidgetPrivate::resolveLayoutDirection() |
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{ |
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Q_Q(QGraphicsWidget); |
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if (q->testAttribute(Qt::WA_SetLayoutDirection)) { |
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return; |
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} |
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if (QGraphicsWidget *parentWidget = q->parentWidget()) { |
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setLayoutDirection_helper(parentWidget->layoutDirection()); |
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} else if (scene) { |
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// ### shouldn't the scene have a layoutdirection really? how does |
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// ### QGraphicsWidget get changes from QApplication::layoutDirection? |
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setLayoutDirection_helper(QApplication::layoutDirection()); |
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} else { |
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setLayoutDirection_helper(QApplication::layoutDirection()); |
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} |
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} |
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QPalette QGraphicsWidgetPrivate::naturalWidgetPalette() const |
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{ |
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Q_Q(const QGraphicsWidget); |
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QPalette palette; |
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if (QGraphicsWidget *parent = q->parentWidget()) { |
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palette = parent->palette(); |
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} else if (scene) { |
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palette = scene->palette(); |
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} |
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palette.resolve(0); |
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return palette; |
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} |
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void QGraphicsWidgetPrivate::setFont_helper(const QFont &font) |
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{ |
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if (this->font == font && this->font.resolve() == font.resolve()) |
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return; |
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updateFont(font); |
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} |
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void QGraphicsWidgetPrivate::resolveFont(uint inheritedMask) |
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{ |
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inheritedFontResolveMask = inheritedMask; |
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QFont naturalFont = naturalWidgetFont(); |
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QFont resolvedFont = font.resolve(naturalFont); |
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updateFont(resolvedFont); |
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} |
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void QGraphicsWidgetPrivate::updateFont(const QFont &font) |
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{ |
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Q_Q(QGraphicsWidget); |
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// Update the local font setting. |
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this->font = font; |
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// Calculate new mask. |
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if (q->isWindow() && !q->testAttribute(Qt::WA_WindowPropagation)) |
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inheritedFontResolveMask = 0; |
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int mask = font.resolve() | inheritedFontResolveMask; |
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// Propagate to children. |
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for (int i = 0; i < children.size(); ++i) { |
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QGraphicsItem *item = children.at(i); |
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if (item->isWidget()) { |
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QGraphicsWidget *w = static_cast<QGraphicsWidget *>(item); |
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if (!w->isWindow() || w->testAttribute(Qt::WA_WindowPropagation)) |
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w->d_func()->resolveFont(mask); |
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} else { |
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item->d_ptr->resolveFont(mask); |
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} |
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} |
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if (!polished) |
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return; |
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// Notify change. |
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QEvent event(QEvent::FontChange); |
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QApplication::sendEvent(q, &event); |
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} |
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QFont QGraphicsWidgetPrivate::naturalWidgetFont() const |
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{ |
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Q_Q(const QGraphicsWidget); |
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QFont naturalFont; // ### no application font support |
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if (QGraphicsWidget *parent = q->parentWidget()) { |
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naturalFont = parent->font(); |
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} else if (scene) { |
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naturalFont = scene->font(); |
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} |
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naturalFont.resolve(0); |
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return naturalFont; |
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} |
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void QGraphicsWidgetPrivate::initStyleOptionTitleBar(QStyleOptionTitleBar *option) |
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{ |
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Q_Q(QGraphicsWidget); |
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ensureWindowData(); |
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q->initStyleOption(option); |
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option->rect.setHeight(titleBarHeight(*option)); |
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option->titleBarFlags = windowFlags; |
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option->subControls = QStyle::SC_TitleBarCloseButton | QStyle::SC_TitleBarLabel | QStyle::SC_TitleBarSysMenu; |
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option->activeSubControls = windowData->hoveredSubControl; |
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bool isActive = q->isActiveWindow(); |
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if (isActive) { |
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option->state |= QStyle::State_Active; |
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option->titleBarState = Qt::WindowActive; |
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option->titleBarState |= QStyle::State_Active; |
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} else { |
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option->state &= ~QStyle::State_Active; |
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option->titleBarState = Qt::WindowNoState; |
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318 |
} |
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QFont windowTitleFont = QApplication::font("QWorkspaceTitleBar"); |
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320 |
QRect textRect = q->style()->subControlRect(QStyle::CC_TitleBar, option, QStyle::SC_TitleBarLabel, 0); |
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option->text = QFontMetrics(windowTitleFont).elidedText( |
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windowData->windowTitle, Qt::ElideRight, textRect.width()); |
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} |
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325 |
void QGraphicsWidgetPrivate::adjustWindowFlags(Qt::WindowFlags *flags) |
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{ |
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bool customize = (*flags & (Qt::CustomizeWindowHint |
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| Qt::FramelessWindowHint |
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329 |
| Qt::WindowTitleHint |
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330 |
| Qt::WindowSystemMenuHint |
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331 |
| Qt::WindowMinimizeButtonHint |
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332 |
| Qt::WindowMaximizeButtonHint |
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| Qt::WindowContextHelpButtonHint)); |
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334 |
||
335 |
uint type = (*flags & Qt::WindowType_Mask); |
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if (customize) |
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; |
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else if (type == Qt::Dialog || type == Qt::Sheet) |
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339 |
*flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowContextHelpButtonHint; |
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340 |
else if (type == Qt::Tool) |
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341 |
*flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint; |
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342 |
else if (type == Qt::Window || type == Qt::SubWindow) |
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343 |
*flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint |
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344 |
| Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint; |
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345 |
} |
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346 |
||
347 |
void QGraphicsWidgetPrivate::windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event) |
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348 |
{ |
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349 |
Q_Q(QGraphicsWidget); |
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350 |
ensureWindowData(); |
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351 |
if (windowData->grabbedSection != Qt::NoSection) { |
|
352 |
if (windowData->grabbedSection == Qt::TitleBarArea) { |
|
353 |
windowData->buttonSunken = false; |
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354 |
QStyleOptionTitleBar bar; |
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355 |
initStyleOptionTitleBar(&bar); |
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356 |
// make sure that the coordinates (rect and pos) we send to the style are positive. |
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357 |
bar.rect = q->windowFrameRect().toRect(); |
|
358 |
bar.rect.moveTo(0,0); |
|
359 |
bar.rect.setHeight(q->style()->pixelMetric(QStyle::PM_TitleBarHeight, &bar)); |
|
360 |
QPointF pos = event->pos(); |
|
361 |
if (windowFrameMargins) { |
|
362 |
pos.rx() += windowFrameMargins[Left]; |
|
363 |
pos.ry() += windowFrameMargins[Top]; |
|
364 |
} |
|
365 |
bar.subControls = QStyle::SC_TitleBarCloseButton; |
|
366 |
if (q->style()->subControlRect(QStyle::CC_TitleBar, &bar, |
|
367 |
QStyle::SC_TitleBarCloseButton, |
|
368 |
event->widget()).contains(pos.toPoint())) { |
|
369 |
q->close(); |
|
370 |
} |
|
371 |
} |
|
372 |
if (!(static_cast<QGraphicsSceneMouseEvent *>(event)->buttons())) |
|
373 |
windowData->grabbedSection = Qt::NoSection; |
|
374 |
event->accept(); |
|
375 |
} |
|
376 |
} |
|
377 |
||
378 |
void QGraphicsWidgetPrivate::windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event) |
|
379 |
{ |
|
380 |
Q_Q(QGraphicsWidget); |
|
381 |
if (event->button() != Qt::LeftButton) |
|
382 |
return; |
|
383 |
||
384 |
ensureWindowData(); |
|
385 |
windowData->startGeometry = q->geometry(); |
|
386 |
windowData->grabbedSection = q->windowFrameSectionAt(event->pos()); |
|
387 |
ensureWindowData(); |
|
388 |
if (windowData->grabbedSection == Qt::TitleBarArea |
|
389 |
&& windowData->hoveredSubControl == QStyle::SC_TitleBarCloseButton) { |
|
390 |
windowData->buttonSunken = true; |
|
391 |
q->update(); |
|
392 |
} |
|
393 |
event->setAccepted(windowData->grabbedSection != Qt::NoSection); |
|
394 |
} |
|
395 |
||
396 |
/*! |
|
397 |
Used to calculate the |
|
398 |
Precondition: |
|
399 |
\a widget should support either hfw or wfh |
|
400 |
||
401 |
If \a heightForWidth is set to false, this function will query the width for height |
|
402 |
instead. \a width will then be interpreted as height, \a minh and \a maxh will be interpreted |
|
403 |
as minimum width and maximum width. |
|
404 |
*/ |
|
405 |
static qreal minimumHeightForWidth(qreal width, qreal minh, qreal maxh, |
|
406 |
const QGraphicsWidget *widget, |
|
407 |
bool heightForWidth = true) |
|
408 |
{ |
|
409 |
qreal minimumHeightForWidth = -1; |
|
410 |
const QSizePolicy sp = widget->layout() ? widget->layout()->sizePolicy() : widget->sizePolicy(); |
|
411 |
const bool hasHFW = sp.hasHeightForWidth(); |
|
412 |
if (hasHFW == heightForWidth) { |
|
413 |
minimumHeightForWidth = hasHFW |
|
414 |
? widget->effectiveSizeHint(Qt::MinimumSize, QSizeF(width, -1)).height() |
|
415 |
: widget->effectiveSizeHint(Qt::MinimumSize, QSizeF(-1, width)).width(); //"width" is here height! |
|
416 |
} else { |
|
417 |
// widthForHeight |
|
418 |
const qreal constraint = width; |
|
419 |
while (maxh - minh > 0.1) { |
|
420 |
qreal middle = minh + (maxh - minh)/2; |
|
421 |
// ### really bad, if we are a widget with a layout it will call |
|
422 |
// layout->effectiveSizeHint(Qt::MiniumumSize), which again will call |
|
423 |
// sizeHint three times because of how the cache works |
|
424 |
qreal hfw = hasHFW |
|
425 |
? widget->effectiveSizeHint(Qt::MinimumSize, QSizeF(middle, -1)).height() |
|
426 |
: widget->effectiveSizeHint(Qt::MinimumSize, QSizeF(-1, middle)).width(); |
|
427 |
if (hfw > constraint) { |
|
428 |
minh = middle; |
|
429 |
} else if (hfw <= constraint) { |
|
430 |
maxh = middle; |
|
431 |
} |
|
432 |
} |
|
433 |
minimumHeightForWidth = maxh; |
|
434 |
} |
|
435 |
return minimumHeightForWidth; |
|
436 |
} |
|
437 |
||
438 |
static qreal minimumWidthForHeight(qreal height, qreal minw, qreal maxw, |
|
439 |
const QGraphicsWidget *widget) |
|
440 |
{ |
|
441 |
return minimumHeightForWidth(height, minw, maxw, widget, false); |
|
442 |
} |
|
443 |
||
444 |
static QSizeF closestAcceptableSize(const QSizeF &proposed, |
|
445 |
const QGraphicsWidget *widget) |
|
446 |
{ |
|
447 |
const QSizeF current = widget->size(); |
|
448 |
||
449 |
qreal minw = proposed.width(); |
|
450 |
qreal maxw = current.width(); |
|
451 |
qreal minh = proposed.height(); |
|
452 |
qreal maxh = current.height(); |
|
453 |
||
454 |
qreal middlew = maxw; |
|
455 |
qreal middleh = maxh; |
|
456 |
qreal min_hfw; |
|
457 |
min_hfw = minimumHeightForWidth(maxw, minh, maxh, widget); |
|
458 |
||
459 |
do { |
|
460 |
if (maxw - minw < 0.1) { |
|
461 |
// we still havent found anything, cut off binary search |
|
462 |
minw = maxw; |
|
463 |
minh = maxh; |
|
464 |
} |
|
465 |
middlew = minw + (maxw - minw)/2.0; |
|
466 |
middleh = minh + (maxh - minh)/2.0; |
|
467 |
||
468 |
min_hfw = minimumHeightForWidth(middlew, minh, maxh, widget); |
|
469 |
||
470 |
if (min_hfw > middleh) { |
|
471 |
minw = middlew; |
|
472 |
minh = middleh; |
|
473 |
} else if (min_hfw <= middleh) { |
|
474 |
maxw = middlew; |
|
475 |
maxh = middleh; |
|
476 |
} |
|
477 |
} while (maxw != minw); |
|
478 |
||
479 |
min_hfw = minimumHeightForWidth(middlew, minh, maxh, widget); |
|
480 |
||
481 |
QSizeF result; |
|
482 |
if (min_hfw < maxh) { |
|
483 |
result = QSizeF(middlew, min_hfw); |
|
484 |
} else { |
|
485 |
// Needed because of the cut-off we do above. |
|
486 |
result = QSizeF(minimumWidthForHeight(maxh, proposed.width(), current.width(), widget), maxh); |
|
487 |
} |
|
488 |
return result; |
|
489 |
} |
|
490 |
||
491 |
static void _q_boundGeometryToSizeConstraints(const QRectF &startGeometry, |
|
492 |
QRectF *rect, Qt::WindowFrameSection section, |
|
493 |
const QSizeF &min, const QSizeF &max, |
|
494 |
const QGraphicsWidget *widget) |
|
495 |
{ |
|
496 |
const QRectF proposedRect = *rect; |
|
497 |
qreal width = qBound(min.width(), proposedRect.width(), max.width()); |
|
498 |
qreal height = qBound(min.height(), proposedRect.height(), max.height()); |
|
499 |
||
500 |
QSizePolicy sp = widget->sizePolicy(); |
|
501 |
if (const QGraphicsLayout *l = widget->layout()) { |
|
502 |
sp = l->sizePolicy(); |
|
503 |
} |
|
504 |
const bool hasHFW = sp.hasHeightForWidth(); // || sp.hasWidthForHeight(); |
|
505 |
||
506 |
const bool widthChanged = proposedRect.width() < widget->size().width(); |
|
507 |
const bool heightChanged = proposedRect.height() < widget->size().height(); |
|
508 |
||
509 |
if (hasHFW) { |
|
510 |
if (widthChanged || heightChanged) { |
|
511 |
const qreal minh = min.height(); |
|
512 |
const qreal maxh = max.height(); |
|
513 |
const qreal proposedHFW = minimumHeightForWidth(width, minh, maxh, widget); |
|
514 |
if (proposedHFW > proposedRect.height()) { |
|
515 |
QSizeF effectiveSize = closestAcceptableSize(QSizeF(width, height), widget); |
|
516 |
width = effectiveSize.width(); |
|
517 |
height = effectiveSize.height(); |
|
518 |
} |
|
519 |
} |
|
520 |
} |
|
521 |
||
522 |
switch (section) { |
|
523 |
case Qt::LeftSection: |
|
524 |
rect->setRect(startGeometry.right() - qRound(width), startGeometry.top(), |
|
525 |
qRound(width), startGeometry.height()); |
|
526 |
break; |
|
527 |
case Qt::TopLeftSection: |
|
528 |
rect->setRect(startGeometry.right() - qRound(width), startGeometry.bottom() - qRound(height), |
|
529 |
qRound(width), qRound(height)); |
|
530 |
break; |
|
531 |
case Qt::TopSection: |
|
532 |
rect->setRect(startGeometry.left(), startGeometry.bottom() - qRound(height), |
|
533 |
startGeometry.width(), qRound(height)); |
|
534 |
break; |
|
535 |
case Qt::TopRightSection: |
|
536 |
rect->setTop(rect->bottom() - qRound(height)); |
|
537 |
rect->setWidth(qRound(width)); |
|
538 |
break; |
|
539 |
case Qt::RightSection: |
|
540 |
rect->setWidth(qRound(width)); |
|
541 |
break; |
|
542 |
case Qt::BottomRightSection: |
|
543 |
rect->setWidth(qRound(width)); |
|
544 |
rect->setHeight(qRound(height)); |
|
545 |
break; |
|
546 |
case Qt::BottomSection: |
|
547 |
rect->setHeight(qRound(height)); |
|
548 |
break; |
|
549 |
case Qt::BottomLeftSection: |
|
550 |
rect->setRect(startGeometry.right() - qRound(width), startGeometry.top(), |
|
551 |
qRound(width), qRound(height)); |
|
552 |
break; |
|
553 |
default: |
|
554 |
break; |
|
555 |
} |
|
556 |
} |
|
557 |
||
558 |
void QGraphicsWidgetPrivate::windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event) |
|
559 |
{ |
|
560 |
Q_Q(QGraphicsWidget); |
|
561 |
ensureWindowData(); |
|
562 |
if (!(event->buttons() & Qt::LeftButton) || windowData->hoveredSubControl != QStyle::SC_TitleBarLabel) |
|
563 |
return; |
|
564 |
||
565 |
QLineF delta(q->mapFromScene(event->buttonDownScenePos(Qt::LeftButton)), event->pos()); |
|
566 |
QLineF parentDelta(q->mapToParent(delta.p1()), q->mapToParent(delta.p2())); |
|
567 |
QLineF parentXDelta(q->mapToParent(QPointF(delta.p1().x(), 0)), q->mapToParent(QPointF(delta.p2().x(), 0))); |
|
568 |
QLineF parentYDelta(q->mapToParent(QPointF(0, delta.p1().y())), q->mapToParent(QPointF(0, delta.p2().y()))); |
|
569 |
||
570 |
QRectF newGeometry; |
|
571 |
switch (windowData->grabbedSection) { |
|
572 |
case Qt::LeftSection: |
|
573 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
574 |
+ QPointF(parentXDelta.dx(), parentXDelta.dy()), |
|
575 |
windowData->startGeometry.size() - QSizeF(delta.dx(), delta.dy())); |
|
576 |
break; |
|
577 |
case Qt::TopLeftSection: |
|
578 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
579 |
+ QPointF(parentDelta.dx(), parentDelta.dy()), |
|
580 |
windowData->startGeometry.size() - QSizeF(delta.dx(), delta.dy())); |
|
581 |
break; |
|
582 |
case Qt::TopSection: |
|
583 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
584 |
+ QPointF(parentYDelta.dx(), parentYDelta.dy()), |
|
585 |
windowData->startGeometry.size() - QSizeF(0, delta.dy())); |
|
586 |
break; |
|
587 |
case Qt::TopRightSection: |
|
588 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
589 |
+ QPointF(parentYDelta.dx(), parentYDelta.dy()), |
|
590 |
windowData->startGeometry.size() - QSizeF(-delta.dx(), delta.dy())); |
|
591 |
break; |
|
592 |
case Qt::RightSection: |
|
593 |
newGeometry = QRectF(windowData->startGeometry.topLeft(), |
|
594 |
windowData->startGeometry.size() + QSizeF(delta.dx(), 0)); |
|
595 |
break; |
|
596 |
case Qt::BottomRightSection: |
|
597 |
newGeometry = QRectF(windowData->startGeometry.topLeft(), |
|
598 |
windowData->startGeometry.size() + QSizeF(delta.dx(), delta.dy())); |
|
599 |
break; |
|
600 |
case Qt::BottomSection: |
|
601 |
newGeometry = QRectF(windowData->startGeometry.topLeft(), |
|
602 |
windowData->startGeometry.size() + QSizeF(0, delta.dy())); |
|
603 |
break; |
|
604 |
case Qt::BottomLeftSection: |
|
605 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
606 |
+ QPointF(parentXDelta.dx(), parentXDelta.dy()), |
|
607 |
windowData->startGeometry.size() - QSizeF(delta.dx(), -delta.dy())); |
|
608 |
break; |
|
609 |
case Qt::TitleBarArea: |
|
610 |
newGeometry = QRectF(windowData->startGeometry.topLeft() |
|
611 |
+ QPointF(parentDelta.dx(), parentDelta.dy()), |
|
612 |
windowData->startGeometry.size()); |
|
613 |
break; |
|
614 |
case Qt::NoSection: |
|
615 |
break; |
|
616 |
} |
|
617 |
||
618 |
if (windowData->grabbedSection != Qt::NoSection) { |
|
619 |
_q_boundGeometryToSizeConstraints(windowData->startGeometry, &newGeometry, |
|
620 |
windowData->grabbedSection, |
|
621 |
q->effectiveSizeHint(Qt::MinimumSize), |
|
622 |
q->effectiveSizeHint(Qt::MaximumSize), |
|
623 |
q); |
|
624 |
q->setGeometry(newGeometry); |
|
625 |
} |
|
626 |
} |
|
627 |
||
628 |
void QGraphicsWidgetPrivate::windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event) |
|
629 |
{ |
|
630 |
Q_Q(QGraphicsWidget); |
|
631 |
if (!hasDecoration()) |
|
632 |
return; |
|
633 |
||
634 |
ensureWindowData(); |
|
635 |
||
636 |
if (q->rect().contains(event->pos())) { |
|
637 |
if (windowData->buttonMouseOver || windowData->hoveredSubControl != QStyle::SC_None) |
|
638 |
windowFrameHoverLeaveEvent(event); |
|
639 |
return; |
|
640 |
} |
|
641 |
||
642 |
bool wasMouseOver = windowData->buttonMouseOver; |
|
643 |
QRect oldButtonRect = windowData->buttonRect; |
|
644 |
windowData->buttonRect = QRect(); |
|
645 |
windowData->buttonMouseOver = false; |
|
646 |
QPointF pos = event->pos(); |
|
647 |
QStyleOptionTitleBar bar; |
|
648 |
// make sure that the coordinates (rect and pos) we send to the style are positive. |
|
649 |
if (windowFrameMargins) { |
|
650 |
pos.rx() += windowFrameMargins[Left]; |
|
651 |
pos.ry() += windowFrameMargins[Top]; |
|
652 |
} |
|
653 |
initStyleOptionTitleBar(&bar); |
|
654 |
bar.rect = q->windowFrameRect().toRect(); |
|
655 |
bar.rect.moveTo(0,0); |
|
656 |
bar.rect.setHeight(int(titleBarHeight(bar))); |
|
657 |
||
658 |
Qt::CursorShape cursorShape = Qt::ArrowCursor; |
|
659 |
bool needsSetCursorCall = true; |
|
660 |
switch (q->windowFrameSectionAt(event->pos())) { |
|
661 |
case Qt::TopLeftSection: |
|
662 |
case Qt::BottomRightSection: |
|
663 |
cursorShape = Qt::SizeFDiagCursor; |
|
664 |
break; |
|
665 |
case Qt::TopRightSection: |
|
666 |
case Qt::BottomLeftSection: |
|
667 |
cursorShape = Qt::SizeBDiagCursor; |
|
668 |
break; |
|
669 |
case Qt::LeftSection: |
|
670 |
case Qt::RightSection: |
|
671 |
cursorShape = Qt::SizeHorCursor; |
|
672 |
break; |
|
673 |
case Qt::TopSection: |
|
674 |
case Qt::BottomSection: |
|
675 |
cursorShape = Qt::SizeVerCursor; |
|
676 |
break; |
|
677 |
case Qt::TitleBarArea: |
|
678 |
windowData->buttonRect = q->style()->subControlRect( |
|
679 |
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarCloseButton, 0); |
|
680 |
#ifdef Q_WS_MAC |
|
681 |
// On mac we should hover if we are in the 'area' of the buttons |
|
682 |
windowData->buttonRect |= q->style()->subControlRect( |
|
683 |
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarMinButton, 0); |
|
684 |
windowData->buttonRect |= q->style()->subControlRect( |
|
685 |
QStyle::CC_TitleBar, &bar, QStyle::SC_TitleBarMaxButton, 0); |
|
686 |
#endif |
|
687 |
if (windowData->buttonRect.contains(pos.toPoint())) |
|
688 |
windowData->buttonMouseOver = true; |
|
689 |
event->ignore(); |
|
690 |
break; |
|
691 |
default: |
|
692 |
needsSetCursorCall = false; |
|
693 |
event->ignore(); |
|
694 |
} |
|
695 |
#ifndef QT_NO_CURSOR |
|
696 |
if (needsSetCursorCall) |
|
697 |
q->setCursor(cursorShape); |
|
698 |
#endif |
|
699 |
// update buttons if we hover over them |
|
700 |
windowData->hoveredSubControl = q->style()->hitTestComplexControl(QStyle::CC_TitleBar, &bar, pos.toPoint(), 0); |
|
701 |
if (windowData->hoveredSubControl != QStyle::SC_TitleBarCloseButton) |
|
702 |
windowData->hoveredSubControl = QStyle::SC_TitleBarLabel; |
|
703 |
||
704 |
if (windowData->buttonMouseOver != wasMouseOver) { |
|
705 |
if (!oldButtonRect.isNull()) |
|
706 |
q->update(QRectF(oldButtonRect).translated(q->windowFrameRect().topLeft())); |
|
707 |
if (!windowData->buttonRect.isNull()) |
|
708 |
q->update(QRectF(windowData->buttonRect).translated(q->windowFrameRect().topLeft())); |
|
709 |
} |
|
710 |
} |
|
711 |
||
712 |
void QGraphicsWidgetPrivate::windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event) |
|
713 |
{ |
|
714 |
Q_UNUSED(event); |
|
715 |
Q_Q(QGraphicsWidget); |
|
716 |
if (hasDecoration()) { |
|
717 |
// ### restore the cursor, don't override it |
|
718 |
#ifndef QT_NO_CURSOR |
|
719 |
q->unsetCursor(); |
|
720 |
#endif |
|
721 |
||
722 |
ensureWindowData(); |
|
723 |
||
724 |
bool needsUpdate = false; |
|
725 |
if (windowData->hoveredSubControl == QStyle::SC_TitleBarCloseButton |
|
726 |
|| windowData->buttonMouseOver) |
|
727 |
needsUpdate = true; |
|
728 |
||
729 |
// update the hover state (of buttons etc...) |
|
730 |
windowData->hoveredSubControl = QStyle::SC_None; |
|
731 |
windowData->buttonMouseOver = false; |
|
732 |
windowData->buttonRect = QRect(); |
|
733 |
if (needsUpdate) |
|
734 |
q->update(windowData->buttonRect); |
|
735 |
} |
|
736 |
} |
|
737 |
||
738 |
bool QGraphicsWidgetPrivate::hasDecoration() const |
|
739 |
{ |
|
740 |
return (windowFlags & Qt::Window) && (windowFlags & Qt::WindowTitleHint); |
|
741 |
} |
|
742 |
||
743 |
/** |
|
744 |
* is called after a reparent has taken place to fix up the focus chain(s) |
|
745 |
*/ |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
746 |
void QGraphicsWidgetPrivate::fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene) |
0 | 747 |
{ |
748 |
Q_Q(QGraphicsWidget); |
|
749 |
||
750 |
Q_ASSERT(focusNext && focusPrev); |
|
751 |
||
752 |
QGraphicsWidget *n = q; //last one in 'new' list |
|
753 |
QGraphicsWidget *o = 0; //last one in 'old' list |
|
754 |
||
755 |
QGraphicsWidget *w = focusNext; |
|
756 |
||
757 |
QGraphicsWidget *firstOld = 0; |
|
758 |
bool wasPreviousNew = true; |
|
759 |
||
760 |
while (w != q) { |
|
761 |
bool isCurrentNew = q->isAncestorOf(w); |
|
762 |
if (isCurrentNew) { |
|
763 |
if (!wasPreviousNew) { |
|
764 |
n->d_func()->focusNext = w; |
|
765 |
w->d_func()->focusPrev = n; |
|
766 |
} |
|
767 |
n = w; |
|
768 |
} else /*if (!isCurrentNew)*/ { |
|
769 |
if (wasPreviousNew) { |
|
770 |
if (o) { |
|
771 |
o->d_func()->focusNext = w; |
|
772 |
w->d_func()->focusPrev = o; |
|
773 |
} else { |
|
774 |
firstOld = w; |
|
775 |
} |
|
776 |
} |
|
777 |
o = w; |
|
778 |
} |
|
779 |
w = w->d_func()->focusNext; |
|
780 |
wasPreviousNew = isCurrentNew; |
|
781 |
} |
|
782 |
||
783 |
// repair the 'old' chain |
|
784 |
if (firstOld) { |
|
785 |
o->d_func()->focusNext = firstOld; |
|
786 |
firstOld->d_func()->focusPrev = o; |
|
787 |
} |
|
788 |
||
789 |
// update tabFocusFirst for oldScene if the item is going to be removed from oldScene |
|
790 |
if (newParent) |
|
791 |
newScene = newParent->scene(); |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
792 |
|
0 | 793 |
if (oldScene && newScene != oldScene) |
794 |
oldScene->d_func()->tabFocusFirst = firstOld; |
|
795 |
||
796 |
QGraphicsItem *topLevelItem = newParent ? newParent->topLevelItem() : 0; |
|
797 |
QGraphicsWidget *topLevel = 0; |
|
798 |
if (topLevelItem && topLevelItem->isWidget()) |
|
799 |
topLevel = static_cast<QGraphicsWidget *>(topLevelItem); |
|
800 |
||
801 |
if (topLevel && newParent) { |
|
802 |
QGraphicsWidget *last = topLevel->d_func()->focusPrev; |
|
803 |
// link last with new chain |
|
804 |
last->d_func()->focusNext = q; |
|
805 |
focusPrev = last; |
|
806 |
||
807 |
// link last in chain with |
|
808 |
topLevel->d_func()->focusPrev = n; |
|
809 |
n->d_func()->focusNext = topLevel; |
|
810 |
} else { |
|
811 |
// q is the start of the focus chain |
|
812 |
n->d_func()->focusNext = q; |
|
813 |
focusPrev = n; |
|
814 |
} |
|
815 |
||
816 |
} |
|
817 |
||
818 |
void QGraphicsWidgetPrivate::setLayout_helper(QGraphicsLayout *l) |
|
819 |
{ |
|
820 |
delete (this->layout); |
|
821 |
layout = l; |
|
822 |
if (!l) { |
|
823 |
Q_Q(QGraphicsWidget); |
|
824 |
q->updateGeometry(); |
|
825 |
} |
|
826 |
} |
|
827 |
||
828 |
QT_END_NAMESPACE |
|
829 |
||
830 |
#endif //QT_NO_GRAPHICSVIEW |