360 lines
16 KiB
C++
360 lines
16 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 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 examples 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 <QGraphicsView>
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#include <QStyleOptionGraphicsItem>
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#include <QGraphicsSceneResizeEvent>
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#include <QPixmap>
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#include <QFont>
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#include "themeevent.h"
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#include "theme.h"
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#include "topbar.h"
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#include "mainview.h"
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TopBar::TopBar(QGraphicsView* mainView, QGraphicsWidget* parent) :
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GvbWidget(parent), m_mainView(mainView), m_isLimeTheme(false),
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m_orientation(TopBar::None), m_topBarPixmap(), m_sizesBlue(), m_sizesLime()
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{
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setDefaultSizes();
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m_titleFont = Theme::p()->font(Theme::TitleBar);
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m_statusFont = Theme::p()->font(Theme::StatusBar);
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connect(Theme::p(), SIGNAL(themeChanged()), this, SLOT(themeChange()));
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}
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TopBar::~TopBar()
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{
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}
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void TopBar::resizeEvent(QGraphicsSceneResizeEvent* /*event*/)
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{
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//Check orientation
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QString topbarName;
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QSize mainViewSize = m_mainView->size();
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int rotationAngle = static_cast<MainView*>(m_mainView)->rotationAngle();
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if(rotationAngle == 90 || rotationAngle == 270 ) {
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int wd = mainViewSize.width();
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int ht = mainViewSize.height();
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mainViewSize.setWidth(ht);
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mainViewSize.setHeight(wd);
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}
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bool m_orientationChanged = false;
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if(mainViewSize.height() >= mainViewSize.width()) {
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if(m_orientation == TopBar::Landscape)
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m_orientationChanged = true;
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m_orientation = TopBar::Portrait;
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topbarName = "topbar.svg";
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}
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else {
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if(m_orientation == TopBar::Portrait)
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m_orientationChanged = true;
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m_orientation = TopBar::Landscape;
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topbarName = "topbar_horisontal.svg";
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}
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//Calculate new size, resize by height, don't make it wider than the screen
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QHash<QString, QSize>sizes = (Theme::p()->theme() == Theme::Blue) ?
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m_sizesBlue : m_sizesLime;
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//Get current size for topbarpixmap
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QSize currentSize = !m_topBarPixmap.isNull() && !m_orientationChanged ?
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m_topBarPixmap.size() : sizes[topbarName];
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QSize newSize = !m_orientationChanged ? QSize(currentSize) : sizes[topbarName];
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//Scale according to aspect ratio
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newSize.scale(size().toSize(), Qt::KeepAspectRatio);
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//fix width to window widht if previous scaling produced too narrow image
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if(newSize.width() < size().width()) {
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newSize.scale(size().toSize(), Qt::KeepAspectRatioByExpanding);
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}
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//Calculate scaling factor for rest of the graphics scaling
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qreal scaleFactor = (newSize.width() *1.0) / (currentSize.width() * 1.0);
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//Scale graphics, if the scalefactor applies
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//This is really heavy since the SVG graphics are read again from the resource
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if(scaleFactor != 1 || m_topBarPixmap.isNull() ) {
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m_topBarPixmap = Theme::p()->pixmap(topbarName, newSize );
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m_topBarUserIcon = Theme::p()->pixmap("user_default_icon.svg",
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!m_topBarUserIcon.isNull() && !m_orientationChanged ? m_topBarUserIcon.size()* scaleFactor : sizes["user_default_icon.svg"] * scaleFactor);
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m_topBarUserStatus = Theme::p()->pixmap("user_status_online.svg",
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!m_topBarUserStatus.isNull() && !m_orientationChanged ? m_topBarUserStatus.size() * scaleFactor : sizes["user_status_online.svg"] * scaleFactor);
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m_topBarStatusBarLeft = Theme::p()->pixmap("status_field_left.svg",
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!m_topBarStatusBarLeft.isNull() && !m_orientationChanged ? m_topBarStatusBarLeft.size()* scaleFactor : sizes["status_field_left.svg"] * scaleFactor);
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m_topBarStatusBarRight = Theme::p()->pixmap("status_field_right.svg",
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!m_topBarStatusBarRight.isNull() && !m_orientationChanged ? m_topBarStatusBarRight.size()* scaleFactor : sizes["status_field_right.svg"] * scaleFactor);
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m_topBarStatusBarMiddle = Theme::p()->pixmap("status_field_middle.svg",
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!m_topBarStatusBarMiddle.isNull() && !m_orientationChanged ? m_topBarStatusBarMiddle.size() * scaleFactor : QSize(185, sizes["status_field_middle.svg"].height()) * scaleFactor);
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//Update the sizeHint to match the size of the scaled m_topBarPixmap
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updateGeometry();
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//Point Update - Positions relative to the Top Bar "Backgroud" size.
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//TODO: consider some layout instead of calculating relative locations
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QSize topBarPixmapSize = m_topBarPixmap.size();
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QSize topBarUserIconSize = m_topBarUserIcon.size();
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QSize topBarUserStatusSize = m_topBarUserStatus.size();
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QSize topBarStatusBarLeftSize = m_topBarStatusBarLeft.size();
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QSize topBarStatusBarMiddleSize = m_topBarStatusBarMiddle.size();
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//Location for Title text 5% width, 35% heigth of the background pixmap
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m_topBarTitlePoint = QPoint(topBarPixmapSize.width()* 0.05,
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topBarPixmapSize.height() * 0.35);
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//User Icon location
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//Placing 70% of the width and 10% of the height of the top bar background
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m_topBarUserIconPoint = QPoint((topBarPixmapSize.width() * 0.7), (topBarPixmapSize.height() * 0.1));
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//If Blue theme is in use - position user status icon on the right side of the user icon
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if(!m_isLimeTheme) {
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//Place the status icon on top of the right edge of the user icon, lower it by 35% of the height of the user icon
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m_topBarUserStatusPoint = QPoint( ( (m_topBarUserIconPoint.x()+topBarUserIconSize.width() ) -
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( topBarUserStatusSize.width()/2 )),
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(m_topBarUserIconPoint.y() + (topBarUserIconSize.height() * 0.35 )));
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}
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//If Lime theme is in use - position user status icon on the left side of the user icon
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else {
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//Place the status icon on top of the left side of the user icon, lower it by 50% of the height of the user icon
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//and move left by 5% of the icon
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m_topBarUserStatusPoint = QPoint( m_topBarUserIconPoint.x() + ( topBarUserIconSize.width() * 0.05),
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(m_topBarUserIconPoint.y() + (topBarUserIconSize.height() * 0.5 )));
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}
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//Status bar
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//Placing the left side of the status bar 5% of the width, 50% of the height of the top bar background
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//Set the text baseline 80% of the height of the status bar
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m_topBarStatusBarLeftPoint = QPoint( (topBarPixmapSize.width()* 0.05),
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(topBarPixmapSize.height() * 0.5));
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m_topBarStatusBarMiddlePoint = QPoint( (m_topBarStatusBarLeftPoint.x() + topBarStatusBarLeftSize.width()),
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(m_topBarStatusBarLeftPoint.y()));
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m_topBarStatusBarRightPoint = QPoint( (m_topBarStatusBarMiddlePoint.x() + topBarStatusBarMiddleSize.width()),
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(m_topBarStatusBarMiddlePoint.y() ) );
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m_topBarStatusBarTextPoint = QPoint(m_topBarStatusBarMiddlePoint.x(),
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m_topBarStatusBarMiddlePoint.y() + (topBarStatusBarMiddleSize.height()*0.8) );
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} //if scalefactor
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}
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void TopBar::paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*widget*/ )
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{
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//Topbar background
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painter->drawPixmap(option->exposedRect, m_topBarPixmap, option->exposedRect);
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//User Icon
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painter->drawPixmap(m_topBarUserIconPoint, m_topBarUserIcon);
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//User Status
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painter->drawPixmap(m_topBarUserStatusPoint, m_topBarUserStatus);
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//Status bar
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painter->drawPixmap(m_topBarStatusBarLeftPoint, m_topBarStatusBarLeft);
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painter->drawPixmap(m_topBarStatusBarMiddlePoint, m_topBarStatusBarMiddle);
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painter->drawPixmap(m_topBarStatusBarRightPoint, m_topBarStatusBarRight);
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//Title text
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painter->save();
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painter->setFont(m_titleFont);
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painter->setOpacity(0.7);
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painter->setPen(Qt::white);
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painter->drawText(m_topBarTitlePoint, QString("Contacts") );
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//Status text
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painter->setFont(m_statusFont);
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painter->setOpacity(1.0);
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painter->drawText(m_topBarStatusBarTextPoint, QString("My Status (fixed)") );
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painter->restore();
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}
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QRectF TopBar::boundingRect() const
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{
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//It's possible that m_topBarPixmap is not allocated yet,
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//in this case default size is used for setting boundingRect
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QHash<QString, QSize>sizes = (Theme::p()->theme() == Theme::Blue) ?
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m_sizesBlue : m_sizesLime;
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if(!m_topBarPixmap.isNull())
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return QRectF(0, 0, m_topBarPixmap.size().width(), m_topBarPixmap.size().height());
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else
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return QRectF(0, 0, sizes["topbar.svg"].width(), sizes["topbar.svg"].height());
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}
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void TopBar::themeChange()
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{
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m_titleFont = Theme::p()->font(Theme::TitleBar);
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m_statusFont = Theme::p()->font(Theme::StatusBar);
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//Calculate the scaling factor
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QHash<QString, QSize>sizes = (Theme::p()->theme() == Theme::Blue) ?
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m_sizesBlue : m_sizesLime;
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QString topbarString= m_orientation == TopBar::Portrait ?
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"topbar.svg" : "topbar_horisontal.svg";
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QSize topBarSize = sizes[topbarString];
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QSize newSize = QSize(topBarSize);
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//Scale according to aspect ratio
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newSize.scale(size().toSize(), Qt::KeepAspectRatio);
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//fix width to window widht if previous scaling produced too narrow image
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if(newSize.width() < size().width()) {
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newSize.scale(size().toSize(), Qt::KeepAspectRatioByExpanding);
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}
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//Calculate scaling factor for rest of the graphics scaling
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qreal scaleFactor = (newSize.width() *1.0) / (topBarSize.width() * 1.0);
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//Background
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m_topBarPixmap = Theme::p()->pixmap(topbarString, sizes[topbarString] * scaleFactor);
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//User Icon
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m_topBarUserIcon = Theme::p()->pixmap("user_default_icon.svg", sizes["user_default_icon.svg"] * scaleFactor);
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//User Status
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m_topBarUserStatus = Theme::p()->pixmap("user_status_online.svg", sizes["user_status_online.svg"] * scaleFactor);
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//Status Bar
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m_topBarStatusBarLeft = Theme::p()->pixmap("status_field_left.svg", sizes["status_field_left.svg"] * scaleFactor);
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m_topBarStatusBarRight = Theme::p()->pixmap("status_field_right.svg", sizes["status_field_right.svg"] * scaleFactor);
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m_topBarStatusBarMiddle = Theme::p()->pixmap("status_field_middle.svg",
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QSize(185, sizes["status_field_middle.svg"].height())* scaleFactor);
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//Update Drawing points for Top Bar elements, points are relative to the top bar background size
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QSize topBarPixmapSize = m_topBarPixmap.size();
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QSize topBarUserIconSize = m_topBarUserIcon.size();
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QSize topBarUserStatusSize = m_topBarUserStatus.size();
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QSize topBarStatusBarLeftSize = m_topBarStatusBarLeft.size();
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QSize topBarStatusBarMiddleSize = m_topBarStatusBarMiddle.size();
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//Theme Check
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(Theme::p()->theme() == Theme::Lime) ? m_isLimeTheme = true : m_isLimeTheme = false;
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//User Icon location
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//Placing 70% of the width and 10% of the height of the top bar background
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m_topBarUserIconPoint = QPoint((0.7*topBarPixmapSize.width()), (0.1*topBarPixmapSize.height()));
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//If Blue theme is in use - position user status icon on the right side of the user icon
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if(!m_isLimeTheme) {
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//Place the status icon on top of the right edge of the user icon, lower it by 35% of the height of the user icon
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m_topBarUserStatusPoint = QPoint( ( (m_topBarUserIconPoint.x()+topBarUserIconSize.width() ) - ( topBarUserStatusSize.width()/2 )),
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(m_topBarUserIconPoint.y() + (topBarUserIconSize.height() * 0.35 )));
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}
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//If Lime theme is in use - position user status icon on the left side of the user icon
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else {
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//Place the status icon on top of the left side of the user icon, lower it by 50% of the height of the user icon
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//and move left by 5% of the icon
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m_topBarUserStatusPoint = QPoint( m_topBarUserIconPoint.x() + ( topBarUserIconSize.width() * 0.05),
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(m_topBarUserIconPoint.y() + (topBarUserIconSize.height() * 0.5 )));
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}
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//Status bar
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//Placing the left side of the status bar 5% of the width, 50% of the height of the top bar background
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//Set the text baseline 80% of the height of the status bar
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m_topBarStatusBarLeftPoint = QPoint( (topBarPixmapSize.width()* 0.05),
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(topBarPixmapSize.height() * 0.5));
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m_topBarStatusBarMiddlePoint = QPoint( (m_topBarStatusBarLeftPoint.x() + topBarStatusBarLeftSize.width()),
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(m_topBarStatusBarLeftPoint.y()));
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m_topBarStatusBarRightPoint = QPoint( (m_topBarStatusBarMiddlePoint.x() + topBarStatusBarMiddleSize.width()),
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(m_topBarStatusBarMiddlePoint.y() ) );
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m_topBarStatusBarTextPoint = QPoint(m_topBarStatusBarMiddlePoint.x(),
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m_topBarStatusBarMiddlePoint.y() + (topBarStatusBarMiddleSize.height()*0.8) );
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update();
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}
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QSizeF TopBar::sizeHint(Qt::SizeHint which,
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const QSizeF &constraint) const
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{
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//It's possible that m_topBarPixmap is not allocated yet,
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//in this case default size is used for setting size hint
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QHash<QString, QSize>sizes = (Theme::p()->theme() == Theme::Blue) ?
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m_sizesBlue : m_sizesLime;
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int height = !m_topBarPixmap.isNull() ?
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m_topBarPixmap.height() : sizes["topbar.svg"].height();
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switch (which)
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{
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case Qt::MinimumSize:
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return QSizeF(-1, height);
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case Qt::MaximumSize:
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return QSizeF(-1, height);
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default:
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return QGraphicsWidget::sizeHint(which, constraint);
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}
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}
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void TopBar::setDefaultSizes()
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{
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m_sizesBlue["topbar.svg"] = QSize(356,96);
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m_sizesBlue["topbar_horisontal.svg"] = QSize(636,96);
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m_sizesBlue["user_default_icon.svg"] = QSize(68,68);
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m_sizesBlue["user_status_online.svg"] = QSize(38,38);
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m_sizesBlue["status_field_left.svg"] = QSize(14,24);
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m_sizesBlue["status_field_right.svg"] = QSize(10,24);
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m_sizesBlue["status_field_middle.svg"] = QSize(14,24);
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m_sizesLime["topbar.svg"] = QSize(356,96);
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m_sizesLime["topbar_horisontal.svg"] = QSize(636,96);
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m_sizesLime["user_default_icon.svg"] = QSize(84,68);
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m_sizesLime["user_status_online.svg"] = QSize(24,24);
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m_sizesLime["status_field_left.svg"] = QSize(14,24);
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m_sizesLime["status_field_right.svg"] = QSize(10,24);
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m_sizesLime["status_field_middle.svg"] = QSize(14,24);
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}
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void TopBar::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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QRect rect = m_topBarStatusBarMiddle.rect();
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rect.moveTopLeft(m_topBarStatusBarMiddlePoint);
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QPointF scenePoint = event->scenePos();
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if(rect.contains(scenePoint.toPoint())) {
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emit clicked();
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}
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||
|
}
|