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daa4106c | 1 | /* |
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2 | * Jexer - Java Text User Interface |
3 | * | |
e16dda65 | 4 | * The MIT License (MIT) |
05dbb28d | 5 | * |
a2018e99 | 6 | * Copyright (C) 2017 Kevin Lamonte |
05dbb28d | 7 | * |
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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: | |
05dbb28d | 14 | * |
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15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
05dbb28d | 17 | * |
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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. | |
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25 | * |
26 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] | |
27 | * @version 1 | |
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28 | */ |
29 | package jexer.backend; | |
30 | ||
31 | import java.io.InputStream; | |
32 | import java.io.OutputStream; | |
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33 | import java.io.PrintWriter; |
34 | import java.io.Reader; | |
05dbb28d | 35 | import java.io.UnsupportedEncodingException; |
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36 | |
37 | /** | |
38 | * This class uses an xterm/ANSI X3.64/ECMA-48 type terminal to provide a | |
39 | * screen, keyboard, and mouse to TApplication. | |
40 | */ | |
42873e30 | 41 | public final class ECMA48Backend extends GenericBackend { |
05dbb28d | 42 | |
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43 | /** |
44 | * Public constructor will use System.in and System.out and UTF-8 | |
45 | * encoding. On non-Windows systems System.in will be put in raw mode; | |
46 | * shutdown() will (blindly!) put System.in in cooked mode. | |
47 | * | |
48 | * @throws UnsupportedEncodingException if an exception is thrown when | |
49 | * creating the InputStreamReader | |
50 | */ | |
51 | public ECMA48Backend() throws UnsupportedEncodingException { | |
52 | this(null, null, null); | |
53 | } | |
54 | ||
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55 | /** |
56 | * Public constructor. | |
57 | * | |
92554d64 | 58 | * @param listener the object this backend needs to wake up when new |
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59 | * input comes in |
60 | * @param input an InputStream connected to the remote user, or null for | |
61 | * System.in. If System.in is used, then on non-Windows systems it will | |
62 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
63 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
64 | * @param output an OutputStream connected to the remote user, or null | |
65 | * for System.out. output is always converted to a Writer with UTF-8 | |
66 | * encoding. | |
67 | * @param windowWidth the number of text columns to start with | |
68 | * @param windowHeight the number of text rows to start with | |
69 | * @param fontSize the size in points. ECMA48 cannot set it, but it is | |
70 | * here to match the Swing API. | |
71 | * @throws UnsupportedEncodingException if an exception is thrown when | |
72 | * creating the InputStreamReader | |
73 | */ | |
74 | public ECMA48Backend(final Object listener, final InputStream input, | |
75 | final OutputStream output, final int windowWidth, | |
76 | final int windowHeight, final int fontSize) | |
77 | throws UnsupportedEncodingException { | |
78 | ||
79 | // Create a terminal and explicitly set stdin into raw mode | |
80 | terminal = new ECMA48Terminal(listener, input, output, windowWidth, | |
81 | windowHeight); | |
82 | ||
83 | // Keep the terminal's sessionInfo so that TApplication can see it | |
84 | sessionInfo = ((ECMA48Terminal) terminal).getSessionInfo(); | |
85 | ||
86 | // ECMA48Terminal is the screen too | |
87 | screen = (ECMA48Terminal) terminal; | |
88 | } | |
89 | ||
90 | /** | |
91 | * Public constructor. | |
92 | * | |
93 | * @param listener the object this backend needs to wake up when new | |
92554d64 | 94 | * input comes in |
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95 | * @param input an InputStream connected to the remote user, or null for |
96 | * System.in. If System.in is used, then on non-Windows systems it will | |
97 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked | |
98 | * mode. input is always converted to a Reader with UTF-8 encoding. | |
99 | * @param output an OutputStream connected to the remote user, or null | |
100 | * for System.out. output is always converted to a Writer with UTF-8 | |
101 | * encoding. | |
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102 | * @throws UnsupportedEncodingException if an exception is thrown when |
103 | * creating the InputStreamReader | |
05dbb28d | 104 | */ |
92554d64 | 105 | public ECMA48Backend(final Object listener, final InputStream input, |
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106 | final OutputStream output) throws UnsupportedEncodingException { |
107 | ||
108 | // Create a terminal and explicitly set stdin into raw mode | |
92554d64 | 109 | terminal = new ECMA48Terminal(listener, input, output); |
05dbb28d | 110 | |
7b5261bc | 111 | // Keep the terminal's sessionInfo so that TApplication can see it |
88a99379 | 112 | sessionInfo = ((ECMA48Terminal) terminal).getSessionInfo(); |
05dbb28d | 113 | |
42873e30 | 114 | // ECMA48Terminal is the screen too |
88a99379 | 115 | screen = (ECMA48Terminal) terminal; |
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116 | } |
117 | ||
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118 | /** |
119 | * Public constructor. | |
120 | * | |
121 | * @param listener the object this backend needs to wake up when new | |
122 | * input comes in | |
123 | * @param input the InputStream underlying 'reader'. Its available() | |
124 | * method is used to determine if reader.read() will block or not. | |
125 | * @param reader a Reader connected to the remote user. | |
126 | * @param writer a PrintWriter connected to the remote user. | |
127 | * @param setRawMode if true, set System.in into raw mode with stty. | |
128 | * This should in general not be used. It is here solely for Demo3, | |
129 | * which uses System.in. | |
130 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
131 | */ | |
132 | public ECMA48Backend(final Object listener, final InputStream input, | |
133 | final Reader reader, final PrintWriter writer, | |
134 | final boolean setRawMode) { | |
135 | ||
136 | // Create a terminal and explicitly set stdin into raw mode | |
137 | terminal = new ECMA48Terminal(listener, input, reader, writer, | |
138 | setRawMode); | |
139 | ||
140 | // Keep the terminal's sessionInfo so that TApplication can see it | |
88a99379 | 141 | sessionInfo = ((ECMA48Terminal) terminal).getSessionInfo(); |
6985c572 | 142 | |
42873e30 | 143 | // ECMA48Terminal is the screen too |
88a99379 | 144 | screen = (ECMA48Terminal) terminal; |
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145 | } |
146 | ||
147 | /** | |
148 | * Public constructor. | |
149 | * | |
150 | * @param listener the object this backend needs to wake up when new | |
151 | * input comes in | |
152 | * @param input the InputStream underlying 'reader'. Its available() | |
153 | * method is used to determine if reader.read() will block or not. | |
154 | * @param reader a Reader connected to the remote user. | |
155 | * @param writer a PrintWriter connected to the remote user. | |
156 | * @throws IllegalArgumentException if input, reader, or writer are null. | |
157 | */ | |
158 | public ECMA48Backend(final Object listener, final InputStream input, | |
159 | final Reader reader, final PrintWriter writer) { | |
160 | ||
161 | this(listener, input, reader, writer, false); | |
162 | } | |
163 | ||
55d2b2c2 | 164 | |
05dbb28d | 165 | } |