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Diffstat (limited to 'src/chasewidget.cpp')
-rw-r--r-- | src/chasewidget.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/chasewidget.cpp b/src/chasewidget.cpp deleted file mode 100644 index ea2b0f8e..00000000 --- a/src/chasewidget.cpp +++ /dev/null @@ -1,138 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** Commercial Usage -** Licensees holding valid Qt Commercial licenses may use this file in -** accordance with the Qt Commercial License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Nokia. -** -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information -** to ensure GNU General Public Licensing requirements will be met: -** http://www.fsf.org/licensing/licenses/info/GPLv2.html and -** http://www.gnu.org/copyleft/gpl.html. In addition, as a special -** exception, Nokia gives you certain additional rights. These rights -** are described in the Nokia Qt GPL Exception version 1.3, included in -** the file GPL_EXCEPTION.txt in this package. -** -** Qt for Windows(R) Licensees -** As a special exception, Nokia, as the sole copyright holder for Qt -** Designer, grants users of the Qt/Eclipse Integration plug-in the -** right for the Qt/Eclipse Integration to link to functionality -** provided by Qt Designer and its related libraries. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** -****************************************************************************/ - -#include "chasewidget.h" - -#include <QtCore/QPoint> - -#include <QtGui/QApplication> -#include <QtGui/QHideEvent> -#include <QtGui/QPainter> -#include <QtGui/QPaintEvent> -#include <QtGui/QShowEvent> - -ChaseWidget::ChaseWidget(QWidget *parent, QPixmap pixmap, bool pixmapEnabled) - : QWidget(parent) - , m_segment(0) - , m_delay(100) - , m_step(40) - , m_timerId(-1) - , m_animated(false) - , m_pixmap(pixmap) - , m_pixmapEnabled(pixmapEnabled) -{ -} - -void ChaseWidget::setAnimated(bool value) -{ - if (m_animated == value) - return; - m_animated = value; - if (m_timerId != -1) { - killTimer(m_timerId); - m_timerId = -1; - } - if (m_animated) { - m_segment = 0; - m_timerId = startTimer(m_delay); - } - update(); -} - -void ChaseWidget::paintEvent(QPaintEvent *event) -{ - Q_UNUSED(event); - QPainter p(this); - if (m_pixmapEnabled && !m_pixmap.isNull()) { - p.drawPixmap(0, 0, m_pixmap); - return; - } - - const int extent = qMin(width() - 8, height() - 8); - const int displ = extent / 4; - const int ext = extent / 4 - 1; - - p.setRenderHint(QPainter::Antialiasing, true); - - if(m_animated) - p.setPen(Qt::gray); - else - p.setPen(QPen(palette().dark().color())); - - p.translate(width() / 2, height() / 2); // center - - for (int segment = 0; segment < segmentCount(); ++segment) { - p.rotate(QApplication::isRightToLeft() ? m_step : -m_step); - if(m_animated) - p.setBrush(colorForSegment(segment)); - else - p.setBrush(palette().background()); - p.drawEllipse(QRect(displ, -ext / 2, ext, ext)); - } -} - -QSize ChaseWidget::sizeHint() const -{ - return QSize(32, 32); -} - -void ChaseWidget::timerEvent(QTimerEvent *event) -{ - if (event->timerId() == m_timerId) { - ++m_segment; - update(); - } - QWidget::timerEvent(event); -} - -QColor ChaseWidget::colorForSegment(int seg) const -{ - int index = ((seg + m_segment) % segmentCount()); - int comp = qMax(0, 255 - (index * (255 / segmentCount()))); - return QColor(comp, comp, comp, 255); -} - -int ChaseWidget::segmentCount() const -{ - return 360 / m_step; -} - -void ChaseWidget::setPixmapEnabled(bool enable) -{ - m_pixmapEnabled = enable; -} - |