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Diffstat (limited to 'examples/animation/research/photobrowser/menu.cpp')
-rw-r--r-- | examples/animation/research/photobrowser/menu.cpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/examples/animation/research/photobrowser/menu.cpp b/examples/animation/research/photobrowser/menu.cpp deleted file mode 100644 index 97493ba..0000000 --- a/examples/animation/research/photobrowser/menu.cpp +++ /dev/null @@ -1,155 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 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 the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "menu.h" - -Menu::Menu(QGraphicsItem *parent) : QGraphicsWidget(parent), m_selected(0) -{ - setFlag(QGraphicsItem::ItemIsFocusable); - m_selection = new QGraphicsRectItem(this); - QLinearGradient linearGrad(QPointF(0, 0), QPointF(0,50)); - linearGrad.setColorAt(0, QColor(255,255,255,128)); - linearGrad.setColorAt(1, QColor(255,255,255,16)); - m_selection->setBrush(linearGrad); - m_selection->setPen(QPen(Qt::transparent)); -} - -Menu::~Menu() -{ -} - - -MenuAction *Menu::addAction(const QString &text, QObject *receiver, const char* slot) -{ - MenuAction *action = new MenuAction(text, this); - if (!m_actions.isEmpty()) { - MenuAction *last = m_actions.last(); - action->setPos(last->pos() + last->boundingRect().bottomLeft()); - } - m_actions.append(action); - if (m_selection->boundingRect().width() < action->boundingRect().width()) - m_selection->setRect(action->boundingRect()); - - QObject::connect(action, SIGNAL(triggered()), receiver, slot); - return action; -} - -QRectF Menu::boundingRect() const -{ - QRectF res; - foreach (MenuAction *a, m_actions) - res |= a->boundingRect(); - return res; -} - -void Menu::keyPressEvent (QKeyEvent * event) -{ - switch (event->key()) { - case Qt::Key_Escape: - hide(); - break; - case Qt::Key_Up: - m_selected -= 2; - case Qt::Key_Down: - if (!m_actions.isEmpty()) { - m_selected = (m_selected + 1 + m_actions.count()) % m_actions.count(); - QItemAnimation *anim = new QItemAnimation(m_selection, QItemAnimation::Position); - anim->setEndValue(m_actions.at(m_selected)->pos()); - anim->start(QAbstractAnimation::DeleteWhenStopped); - } - break; - case Qt::Key_Enter: - case Qt::Key_Return: - if (!m_actions.isEmpty()) { - QItemAnimation *anim = new QItemAnimation(m_selection, QItemAnimation::RotationX); - anim->setEndValue(m_selection->xRotation() < 180 ? qreal(360) : qreal(0)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - m_actions.at(m_selected)->trigger(); - hide(); - } - break; - default: - QGraphicsItem::keyPressEvent(event); - } -} - -void Menu::show() -{ - QItemAnimation *anim = new QItemAnimation(this, QItemAnimation::Opacity); - anim->setEndValue(qreal(1.)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - anim = new QItemAnimation(m_selection, QItemAnimation::ScaleFactorX); - anim->setEndValue(qreal(1)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - anim = new QItemAnimation(m_selection, QItemAnimation::ScaleFactorY); - anim->setEndValue(qreal(1)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - setFocus(); -} - -void Menu::hide() -{ - QItemAnimation *anim = new QItemAnimation(m_selection, QItemAnimation::ScaleFactorX); - anim->setEndValue(qreal(.1)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - anim = new QItemAnimation(m_selection, QItemAnimation::ScaleFactorY); - anim->setEndValue(qreal(.1)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - anim = new QItemAnimation(this, QItemAnimation::Opacity); - anim->setEndValue(qreal(0)); - anim->start(QAbstractAnimation::DeleteWhenStopped); - parentItem()->setFocus(); -} - - -MenuAction::MenuAction(const QString &text, Menu * parent) - : QGraphicsTextItem(text,parent) -{ - QFont f = font(); - f.setPointSize(18); - setFont(f); - setDefaultTextColor(Qt::white); -} - -void MenuAction::trigger() -{ - emit triggered(); -} |