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91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2012 David Rosca <nowrep@gmail.com>
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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 General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "animatedwidget.h"
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#include <QResizeEvent>
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AnimatedWidget::AnimatedWidget(const Direction &direction, int duration, QWidget* parent)
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: QWidget(parent)
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, m_direction(direction)
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, m_stepHeight(0)
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, m_stepY(0)
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, m_widget(new QWidget(this))
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{
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m_timeLine.setDuration(duration);
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m_timeLine.setFrameRange(0, 100);
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connect(&m_timeLine, SIGNAL(frameChanged(int)), this, SLOT(animateFrame(int)));
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setMaximumHeight(0);
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}
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void AnimatedWidget::startAnimation()
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{
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if (m_timeLine.state() == QTimeLine::Running) {
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return;
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}
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int shown = 0;
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int hidden = 0;
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if (m_direction == Down) {
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shown = 0;
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hidden = -m_widget->height();
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}
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m_widget->move(QPoint(m_widget->pos().x(), hidden));
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m_stepY = (hidden - shown) / 100.0;
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m_startY = hidden;
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m_stepHeight = m_widget->height() / 100.0;
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m_timeLine.setDirection(QTimeLine::Forward);
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m_timeLine.start();
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}
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void AnimatedWidget::animateFrame(int frame)
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{
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setFixedHeight(frame * m_stepHeight);
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m_widget->move(pos().x(), m_startY - frame * m_stepY);
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}
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void AnimatedWidget::hide()
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{
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if (m_timeLine.state() == QTimeLine::Running) {
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return;
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}
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m_timeLine.setDirection(QTimeLine::Backward);
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m_timeLine.start();
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connect(&m_timeLine, SIGNAL(finished()), this, SLOT(close()));
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QWidget* p = parentWidget();
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if (p) {
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p->setFocus();
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}
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}
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void AnimatedWidget::resizeEvent(QResizeEvent* event)
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{
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if (event->size().width() != m_widget->width()) {
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m_widget->resize(event->size().width(), m_widget->height());
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}
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QWidget::resizeEvent(event);
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}
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