File indexing completed on 2022-11-29 18:38:54

0001 /*
0002     KBlackBox - A simple game inspired by an emacs module
0003 
0004     SPDX-FileCopyrightText: 1999-2000 Robert Cimrman <cimrman3@students.zcu.cz>
0005     SPDX-FileCopyrightText: 2007 Nicolas Roffet <nicolas-kde@roffet.com>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 
0010 
0011 #include "kbbgraphicsitemlaser.h"
0012 
0013 #include <QGraphicsSceneMouseEvent>
0014 
0015 
0016 
0017 #include "kbbscalablegraphicwidget.h"
0018 #include "kbbthememanager.h"
0019 
0020 
0021 
0022 //
0023 // Constructor / Destructor
0024 //
0025 
0026 KBBGraphicsItemLaser::KBBGraphicsItemLaser(KBBScalableGraphicWidget* parent, KBBThemeManager* themeManager, const int borderPosition, const int columns, const int rows) : KBBGraphicsItemBorder(borderPosition, columns, rows, 0), KBBGraphicsItem(((borderPosition<columns) ? KBBScalableGraphicWidget::laser0 : ((borderPosition<columns + rows) ? KBBScalableGraphicWidget::laser90 : ((borderPosition<2*columns + rows) ? KBBScalableGraphicWidget::laser180 : KBBScalableGraphicWidget::laser270))) , parent->scene(), themeManager), KBBItemWithPosition()
0027 {
0028     m_widget = parent;
0029     
0030     const int radius = KBBScalableGraphicWidget::RATIO/2;
0031     if (rotationAngle()==90) {
0032         setPos(m_centerX - 3*radius, m_centerY - radius);
0033     } else if (rotationAngle()==180) {
0034         setPos(m_centerX - radius, m_centerY - 3*radius);
0035     } else {
0036         setPos(m_centerX - radius, m_centerY - radius);
0037     }
0038     
0039     setAcceptHoverEvents(true);
0040 }
0041 
0042 
0043 
0044 //
0045 // Public
0046 //
0047 
0048 int KBBGraphicsItemLaser::position ()
0049 {
0050     return m_borderPosition;
0051 }
0052 
0053 
0054 
0055 //
0056 // Private
0057 //
0058 
0059 void KBBGraphicsItemLaser::hoverEnterEvent (QGraphicsSceneHoverEvent*)
0060 {
0061     m_widget->drawRay(position());
0062 }
0063 
0064 
0065 void KBBGraphicsItemLaser::hoverLeaveEvent (QGraphicsSceneHoverEvent*)
0066 {
0067     m_widget->removeRay();
0068 }
0069 
0070 
0071 void KBBGraphicsItemLaser::mousePressEvent (QGraphicsSceneMouseEvent* event)
0072 {
0073     if (event->buttons()==Qt::LeftButton) {
0074         m_widget->mouseBorderClick(position());
0075     }
0076 }