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1 | /* |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * The MIT License (MIT) | |
5 | * | |
6 | * Copyright (C) 2017 Kevin Lamonte | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the "Software"), | |
10 | * to deal in the Software without restriction, including without limitation | |
11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
12 | * and/or sell copies of the Software, and to permit persons to whom the | |
13 | * Software is furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
24 | * DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
28 | */ | |
29 | package jexer; | |
30 | ||
31 | import jexer.bits.CellAttributes; | |
32 | import jexer.bits.GraphicsChars; | |
33 | import jexer.event.TKeypressEvent; | |
34 | import jexer.event.TMenuEvent; | |
35 | import jexer.event.TMouseEvent; | |
36 | import jexer.event.TResizeEvent; | |
37 | ||
38 | /** | |
39 | * TDesktop is a special-class window that is drawn underneath everything | |
40 | * else. | |
41 | */ | |
42 | public class TDesktop extends TWindow { | |
43 | ||
44 | /** | |
45 | * Public constructor. | |
46 | * | |
47 | * @param parent parent application | |
48 | */ | |
49 | public TDesktop(final TApplication parent) { | |
50 | ||
51 | super(parent, "", 0, 0, parent.getScreen().getWidth(), | |
52 | parent.getScreen().getHeight() - 1); | |
53 | ||
54 | setActive(false); | |
55 | } | |
56 | ||
57 | /** | |
58 | * The default TDesktop draws a hatch character across everything. | |
59 | */ | |
60 | @Override | |
61 | public void draw() { | |
62 | CellAttributes background = getTheme().getColor("tdesktop.background"); | |
63 | putAll(GraphicsChars.HATCH, background); | |
64 | } | |
65 | ||
66 | /** | |
67 | * Handle mouse button presses. | |
68 | * | |
69 | * @param mouse mouse button event | |
70 | */ | |
71 | @Override | |
72 | public void onMouseDown(final TMouseEvent mouse) { | |
73 | this.mouse = mouse; | |
74 | ||
75 | // Pass to children | |
76 | for (TWidget widget: getChildren()) { | |
77 | if (widget.mouseWouldHit(mouse)) { | |
78 | // Dispatch to this child, also activate it | |
79 | activate(widget); | |
80 | ||
81 | // Set x and y relative to the child's coordinates | |
82 | mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX()); | |
83 | mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY()); | |
84 | widget.handleEvent(mouse); | |
85 | return; | |
86 | } | |
87 | } | |
88 | } | |
89 | ||
90 | /** | |
91 | * Handle mouse button releases. | |
92 | * | |
93 | * @param mouse mouse button release event | |
94 | */ | |
95 | @Override | |
96 | public void onMouseUp(final TMouseEvent mouse) { | |
97 | this.mouse = mouse; | |
98 | ||
99 | // Pass to children | |
100 | for (TWidget widget: getChildren()) { | |
101 | if (widget.mouseWouldHit(mouse)) { | |
102 | // Dispatch to this child, also activate it | |
103 | activate(widget); | |
104 | ||
105 | // Set x and y relative to the child's coordinates | |
106 | mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX()); | |
107 | mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY()); | |
108 | widget.handleEvent(mouse); | |
109 | return; | |
110 | } | |
111 | } | |
112 | } | |
113 | ||
114 | /** | |
115 | * Handle mouse movements. | |
116 | * | |
117 | * @param mouse mouse motion event | |
118 | */ | |
119 | @Override | |
120 | public void onMouseMotion(final TMouseEvent mouse) { | |
121 | this.mouse = mouse; | |
122 | ||
123 | // Default: do nothing, pass to children instead | |
124 | super.onMouseMotion(mouse); | |
125 | } | |
126 | ||
127 | /** | |
128 | * Handle keystrokes. | |
129 | * | |
130 | * @param keypress keystroke event | |
131 | */ | |
132 | @Override | |
133 | public void onKeypress(final TKeypressEvent keypress) { | |
134 | // Default: do nothing, pass to children instead | |
135 | super.onKeypress(keypress); | |
136 | } | |
137 | ||
138 | /** | |
139 | * Handle posted menu events. | |
140 | * | |
141 | * @param menu menu event | |
142 | */ | |
143 | @Override | |
144 | public void onMenu(final TMenuEvent menu) { | |
145 | // Default: do nothing, pass to children instead | |
146 | super.onMenu(menu); | |
147 | } | |
148 | ||
149 | } |