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comparison ext/guichan-0.8.1/src/widgets/checkbox.cpp @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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-1:000000000000 0:4a0efb7baf70
1 /* _______ __ __ __ ______ __ __ _______ __ __
2 * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
3 * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
4 * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
5 * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
6 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
7 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
8 *
9 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
10 *
11 *
12 * Per Larsson a.k.a finalman
13 * Olof Naessén a.k.a jansem/yakslem
14 *
15 * Visit: http://guichan.sourceforge.net
16 *
17 * License: (BSD)
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in
25 * the documentation and/or other materials provided with the
26 * distribution.
27 * 3. Neither the name of Guichan nor the names of its contributors may
28 * be used to endorse or promote products derived from this software
29 * without specific prior written permission.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
37 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
38 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 /*
45 * For comments regarding functions please see the header file.
46 */
47
48 #include "guichan/widgets/checkbox.hpp"
49
50 #include "guichan/font.hpp"
51 #include "guichan/graphics.hpp"
52 #include "guichan/key.hpp"
53 #include "guichan/mouseinput.hpp"
54
55 namespace gcn
56 {
57
58 CheckBox::CheckBox()
59 {
60 setSelected(false);
61
62 setFocusable(true);
63 addMouseListener(this);
64 addKeyListener(this);
65 }
66
67 CheckBox::CheckBox(const std::string &caption, bool selected)
68 {
69 setCaption(caption);
70 setSelected(selected);
71
72 setFocusable(true);
73 addMouseListener(this);
74 addKeyListener(this);
75
76 adjustSize();
77 }
78
79 void CheckBox::draw(Graphics* graphics)
80 {
81 drawBox(graphics);
82
83 graphics->setFont(getFont());
84 graphics->setColor(getForegroundColor());
85
86 const int h = getHeight() + getHeight() / 2;
87
88 graphics->drawText(getCaption(), h - 2, 0);
89 }
90
91 void CheckBox::drawBox(Graphics *graphics)
92 {
93 const int h = getHeight() - 2;
94 const int alpha = getBaseColor().a;
95 Color faceColor = getBaseColor();
96 faceColor.a = alpha;
97 Color highlightColor = faceColor + 0x303030;
98 highlightColor.a = alpha;
99 Color shadowColor = faceColor - 0x303030;
100 shadowColor.a = alpha;
101
102 graphics->setColor(shadowColor);
103 graphics->drawLine(1, 1, h, 1);
104 graphics->drawLine(1, 1, 1, h);
105
106 graphics->setColor(highlightColor);
107 graphics->drawLine(h, 1, h, h);
108 graphics->drawLine(1, h, h - 1, h);
109
110 graphics->setColor(getBackgroundColor());
111 graphics->fillRectangle(Rectangle(2, 2, h - 2, h - 2));
112
113 graphics->setColor(getForegroundColor());
114
115 if (isFocused())
116 {
117 graphics->drawRectangle(Rectangle(0, 0, h + 2, h + 2));
118 }
119
120 if (mSelected)
121 {
122 graphics->drawLine(3, 5, 3, h - 2);
123 graphics->drawLine(4, 5, 4, h - 2);
124
125 graphics->drawLine(5, h - 3, h - 2, 4);
126 graphics->drawLine(5, h - 4, h - 4, 5);
127 }
128 }
129
130 bool CheckBox::isSelected() const
131 {
132 return mSelected;
133 }
134
135 void CheckBox::setSelected(bool selected)
136 {
137 mSelected = selected;
138 }
139
140 const std::string &CheckBox::getCaption() const
141 {
142 return mCaption;
143 }
144
145 void CheckBox::setCaption(const std::string& caption)
146 {
147 mCaption = caption;
148 }
149
150 void CheckBox::keyPressed(KeyEvent& keyEvent)
151 {
152 Key key = keyEvent.getKey();
153
154 if (key.getValue() == Key::ENTER ||
155 key.getValue() == Key::SPACE)
156 {
157 toggleSelected();
158 keyEvent.consume();
159 }
160 }
161
162 void CheckBox::mouseClicked(MouseEvent& mouseEvent)
163 {
164 if (mouseEvent.getButton() == MouseEvent::LEFT)
165 {
166 toggleSelected();
167 }
168 }
169
170 void CheckBox::mouseDragged(MouseEvent& mouseEvent)
171 {
172 mouseEvent.consume();
173 }
174
175 void CheckBox::adjustSize()
176 {
177 int height = getFont()->getHeight();
178
179 setHeight(height);
180 setWidth(getFont()->getWidth(mCaption) + height + height / 2);
181 }
182
183 void CheckBox::toggleSelected()
184 {
185 mSelected = !mSelected;
186 distributeActionEvent();
187 }
188 }
189