85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
/************************************************************************
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**
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** @file
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 14 6, 2017
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2017 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina 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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** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#ifndef GLOBAL_H
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#define GLOBAL_H
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#include <QtGlobal>
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#include <QStyleOptionGraphicsItem>
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extern const qreal minVisibleFontSize;
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class QGraphicsScene;
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class QGraphicsItem;
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class QGraphicsEllipseItem;
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class QGraphicsLineItem;
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class QColor;
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class QRectF;
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class QPainterPath;
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class QPen;
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class QGraphicsSceneMouseEvent;
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bool IsSelectedByReleaseEvent(QGraphicsItem *item, QGraphicsSceneMouseEvent *event);
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qreal SceneScale(QGraphicsScene *scene);
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QColor CorrectColor(const QGraphicsItem *item, const QColor &color);
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QRectF PointRect(qreal radius);
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qreal ScaledRadius(qreal scale);
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void ScaleCircleSize(QGraphicsEllipseItem *item, qreal scale);
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qreal ScaleWidth(qreal width, qreal scale);
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QPainterPath ItemShapeFromPath(const QPainterPath &path, const QPen &pen);
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void GraphicsItemHighlightSelected(const QRectF &boundingRect, qreal itemPenWidth, QPainter *painter,
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const QStyleOptionGraphicsItem *option);
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/* Helps fix bug with item highlight selected.
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* Unfortunatelly qt_graphicsItem_highlightSelected was designed in way that doesn't support custom QGraphicsItem
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* classes. Such classes always get pen width 1.0. This make imposible to draw selection rect around very small objects.
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*/
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template<class Parent, class Item>
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void PaintWithFixItemHighlightSelected(Item *item, QPainter *painter, const QStyleOptionGraphicsItem *option,
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QWidget *widget)
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{
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QStyleOptionGraphicsItem myoption = (*option);
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if (myoption.state & QStyle::State_Selected)
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{
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myoption.state &= !QStyle::State_Selected;
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}
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item->Parent::paint(painter, &myoption, widget);
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if (option->state & QStyle::State_Selected)
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{
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GraphicsItemHighlightSelected(item->boundingRect(), item->pen().widthF(), painter, option);
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}
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}
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#endif // GLOBAL_H
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