diff options
Diffstat (limited to 'src/Authoring/Qt3DStudio/Palettes/TimelineGraphicsView/SelectionRect.cpp')
-rw-r--r-- | src/Authoring/Qt3DStudio/Palettes/TimelineGraphicsView/SelectionRect.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/Palettes/TimelineGraphicsView/SelectionRect.cpp b/src/Authoring/Qt3DStudio/Palettes/TimelineGraphicsView/SelectionRect.cpp new file mode 100644 index 00000000..429b0170 --- /dev/null +++ b/src/Authoring/Qt3DStudio/Palettes/TimelineGraphicsView/SelectionRect.cpp @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "SelectionRect.h" +#include "TimelineConstants.h" +#include "Ruler.h" + +#include <QtGui/qpainter.h> + +SelectionRect::SelectionRect() +{ + setZValue(100); + setActive(false); +} + +void SelectionRect::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) +{ + Q_UNUSED(option) + Q_UNUSED(widget) + + if (m_active) + painter->drawRect(m_rect); +} + +void SelectionRect::start(const QPointF &origin) +{ + m_rect.setTopLeft(origin); + m_rect.setWidth(0); + m_rect.setHeight(0); + m_active = true; +} + +void SelectionRect::updateSize(const QPointF &pos, const QRectF &visibleScene) +{ + QPointF newPos = pos; + if (newPos.x() < visibleScene.left()) + newPos.setX(visibleScene.left()); + else if (newPos.x() > visibleScene.right()) + newPos.setX(visibleScene.right()); + if (newPos.y() < visibleScene.top()) + newPos.setY(visibleScene.top()); + else if (newPos.y() > visibleScene.bottom()) + newPos.setY(visibleScene.bottom()); + + m_rect.setBottomRight(newPos); + setRect(m_rect.normalized()); +} + +void SelectionRect::end() +{ + setRect(QRectF()); + m_active = false; +} + +bool SelectionRect::isActive() const +{ + return m_active; +} |