1 | // |
2 | // KBlackBox |
3 | // |
4 | // A simple game inspired by an emacs module |
5 | // |
6 | /*************************************************************************** |
7 | * Copyright (c) 1999-2000, Robert Cimrman * |
8 | * cimrman3@students.zcu.cz * |
9 | * * |
10 | * Copyright (c) 2007, Nicolas Roffet * |
11 | * nicolas-kde@roffet.com * |
12 | * * |
13 | * * |
14 | * This program is free software; you can redistribute it and/or modify * |
15 | * it under the terms of the GNU General Public License as published by * |
16 | * the Free Software Foundation; either version 2 of the License, or * |
17 | * (at your option) any later version. * |
18 | * * |
19 | * This program is distributed in the hope that it will be useful, * |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
22 | * GNU General Public License for more details. * |
23 | * * |
24 | * You should have received a copy of the GNU General Public License * |
25 | * along with this program; if not, write to the * |
26 | * Free Software Foundation, Inc., * |
27 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * |
28 | ***************************************************************************/ |
29 | |
30 | |
31 | #include "kbbgraphicsitemlaser.h" |
32 | |
33 | #include <QGraphicsSceneMouseEvent> |
34 | |
35 | |
36 | |
37 | #include "kbbgraphicsitem.h" |
38 | #include "kbbgraphicsitemborder.h" |
39 | #include "kbbitemwithposition.h" |
40 | #include "kbbscalablegraphicwidget.h" |
41 | #include "kbbthememanager.h" |
42 | |
43 | |
44 | |
45 | // |
46 | // Constructor / Destructor |
47 | // |
48 | |
49 | 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() |
50 | { |
51 | m_widget = parent; |
52 | |
53 | const int radius = KBBScalableGraphicWidget::RATIO/2; |
54 | if (rotationAngle()==90) { |
55 | setPos(m_centerX - 3*radius, m_centerY - radius); |
56 | } else if (rotationAngle()==180) { |
57 | setPos(m_centerX - radius, m_centerY - 3*radius); |
58 | } else { |
59 | setPos(m_centerX - radius, m_centerY - radius); |
60 | } |
61 | |
62 | setAcceptsHoverEvents(true); |
63 | } |
64 | |
65 | |
66 | |
67 | // |
68 | // Public |
69 | // |
70 | |
71 | int KBBGraphicsItemLaser::position () |
72 | { |
73 | return m_borderPosition; |
74 | } |
75 | |
76 | |
77 | |
78 | // |
79 | // Private |
80 | // |
81 | |
82 | void KBBGraphicsItemLaser::hoverEnterEvent (QGraphicsSceneHoverEvent*) |
83 | { |
84 | m_widget->drawRay(position()); |
85 | } |
86 | |
87 | |
88 | void KBBGraphicsItemLaser::hoverLeaveEvent (QGraphicsSceneHoverEvent*) |
89 | { |
90 | m_widget->removeRay(); |
91 | } |
92 | |
93 | |
94 | void KBBGraphicsItemLaser::mousePressEvent (QGraphicsSceneMouseEvent* event) |
95 | { |
96 | if (event->buttons()==Qt::LeftButton) { |
97 | m_widget->mouseBorderClick(position()); |
98 | } |
99 | } |
100 | |