author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:03:49 +0300 | |
changeset 6 | 1c3b8676e58c |
parent 5 | 0f2326c2a325 |
permissions | -rw-r--r-- |
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/* |
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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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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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* Description: |
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* |
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*/ |
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#include "WebChromeContainerSnippet.h" |
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#include "ChromeItem.h" |
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#include "WebChromeItem.h" |
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#include "ChromeWidget.h" |
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#include "ChromeRenderer.h" |
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#include "ChromeSnippet.h" |
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#include <QDebug> |
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namespace GVA { |
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WebChromeContainerSnippet::WebChromeContainerSnippet(const QString & elementId, ChromeWidget * chrome, const QWebElement & element) |
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: ChromeSnippet(elementId, chrome, 0, element) |
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,m_layoutHeight(0) |
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{ |
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m_layoutWidth = chrome->layout()->size().width(); |
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//QGraphicsWidget * item = static_cast<QGraphicsWidget*> (widget()); |
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//NB: maybe size should be fixed only in one direction? |
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//item->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed)); |
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//NB: add a method for setting owner area |
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//item->setPreferredSize(m_ownerArea.width(), m_ownerArea.height()); |
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//Also resize in case item is not part of anchor layout |
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//item->resize(item->preferredSize()); |
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//NB: Linear layout efaults to horizontal: handle vertical layouts too. |
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m_layout = new QGraphicsLinearLayout(); |
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m_layout->setContentsMargins(0,0,0,0); |
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m_layout->setSpacing(0); |
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//Add a stretch element at the beginning. |
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m_layout->addStretch(); |
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//item->setLayout(m_layout); |
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//When chrome is resized sizes for snippets may change |
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QObject::connect(m_chrome->renderer(), SIGNAL(chromeResized()), this, SLOT(updateOwnerArea())); |
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QObject::connect(m_chrome, SIGNAL(prepareForSizeChange(QSize)), this, SLOT(updateSize(QSize))); |
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} |
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WebChromeContainerSnippet::~WebChromeContainerSnippet() |
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{ |
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// delete m_layout; |
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} |
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void WebChromeContainerSnippet::positionChildren() |
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{ |
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; //Do nothing since the layout positions children automatically. |
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} |
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void WebChromeContainerSnippet::setChromeWidget(QGraphicsWidget * widget){ |
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widget->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed)); |
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widget->setLayout(m_layout); |
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ChromeSnippet::setChromeWidget(widget); |
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} |
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void WebChromeContainerSnippet::addChild(ChromeSnippet * child) |
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{ |
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//Prevent layout from stretching the child widgets. NB: Revisit this to make configurable from chrome? |
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child->widget()->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed)); |
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//child->widget()->setParentItem(this->widget()); // Shouldn't be needed, right? |
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m_layout->addItem(child->widget()); |
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//Add a stretch after each element so the layout looks like this: |stretch|item|stretch|item . . . . stretch|item| |
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m_layout->addStretch(); |
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qreal childHeight = child->widget()->size().height(); |
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if (childHeight > m_layoutHeight){ |
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m_layoutHeight = childHeight; |
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updateSizes(); |
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} |
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emit childAdded(child); |
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m_layout->activate(); |
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} |
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void WebChromeContainerSnippet:: updateOwnerArea() |
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{ |
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updateSizes(); |
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QObject::disconnect(m_chrome->renderer(), SIGNAL(chromeResized()), this, SLOT(updateOwnerArea())); |
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} |
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void WebChromeContainerSnippet::setLayoutHeight(int height){ |
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if (m_layoutHeight != height){ |
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m_layoutHeight = height; |
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updateSizes(); |
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} |
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} |
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void WebChromeContainerSnippet::setLayoutWidth(qreal width, bool update){ |
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if (m_layoutWidth != width){ |
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m_layoutWidth = width; |
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if (update ) { |
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updateSizes(); |
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} |
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} |
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} |
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void WebChromeContainerSnippet::updateSize(QSize size ) { |
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Q_UNUSED(size); |
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// m_layoutWidth should have been set by now through derived classes. We don't want to set it |
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// here as that would overwrite any width set before. For example, width of the middle snippet |
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// in toolbar is set by the main toolbar. |
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updateSizes(); |
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} |
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void WebChromeContainerSnippet::updateSizes() { |
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QGraphicsWidget * item = static_cast<QGraphicsWidget*> (widget()); |
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//Resize the item |
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item->setPreferredSize(m_layoutWidth, m_layoutHeight); |
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//Also resize in case item is not part of anchor layout |
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item->resize(item->preferredSize()); |
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} |
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} // endof namespace GVA |