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daa4106c | 1 | /* |
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2 | * Jexer - Java Text User Interface |
3 | * | |
e16dda65 | 4 | * The MIT License (MIT) |
1ac2ccb1 | 5 | * |
a2018e99 | 6 | * Copyright (C) 2017 Kevin Lamonte |
1ac2ccb1 | 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: | |
1ac2ccb1 | 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. | |
1ac2ccb1 | 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 | |
28 | */ | |
29 | package jexer.backend; | |
30 | ||
31 | import java.util.List; | |
32 | ||
33 | import jexer.event.TInputEvent; | |
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34 | import jexer.io.SwingScreen; |
35 | import jexer.io.SwingTerminal; | |
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36 | |
37 | /** | |
a4406f4e | 38 | * This class uses standard Swing calls to handle screen, keyboard, and mouse |
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39 | * I/O. |
40 | */ | |
a4406f4e | 41 | public final class SwingBackend extends Backend { |
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42 | |
43 | /** | |
44 | * Input events are processed by this Terminal. | |
45 | */ | |
a4406f4e | 46 | private SwingTerminal terminal; |
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47 | |
48 | /** | |
c447c6e5 | 49 | * Public constructor. The window will be 80x25 with font size 20 pts. |
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50 | * |
51 | * @param listener the object this backend needs to wake up when new | |
52 | * input comes in | |
1ac2ccb1 | 53 | */ |
a4406f4e | 54 | public SwingBackend(final Object listener) { |
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55 | this(listener, 80, 25, 20); |
56 | } | |
57 | ||
58 | /** | |
59 | * Public constructor. | |
60 | * | |
61 | * @param listener the object this backend needs to wake up when new | |
62 | * input comes in | |
63 | * @param windowWidth the number of text columns to start with | |
64 | * @param windowHeight the number of text rows to start with | |
65 | * @param fontSize the size in points. Good values to pick are: 16, 20, | |
66 | * 22, and 24. | |
67 | */ | |
68 | public SwingBackend(final Object listener, final int windowWidth, | |
69 | final int windowHeight, final int fontSize) { | |
70 | ||
1ac2ccb1 | 71 | // Create a screen |
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72 | SwingScreen screen = new SwingScreen(windowWidth, windowHeight, |
73 | fontSize); | |
1ac2ccb1 | 74 | this.screen = screen; |
92554d64 | 75 | |
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76 | // Create the Swing event listeners |
77 | terminal = new SwingTerminal(listener, screen); | |
92554d64 | 78 | |
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79 | // Hang onto the session info |
80 | this.sessionInfo = terminal.getSessionInfo(); | |
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81 | } |
82 | ||
83 | /** | |
84 | * Sync the logical screen to the physical device. | |
85 | */ | |
86 | @Override | |
87 | public void flushScreen() { | |
88 | screen.flushPhysical(); | |
89 | } | |
90 | ||
91 | /** | |
92 | * Get keyboard, mouse, and screen resize events. | |
93 | * | |
94 | * @param queue list to append new events to | |
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95 | */ |
96 | @Override | |
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97 | public void getEvents(final List<TInputEvent> queue) { |
98 | if (terminal.hasEvents()) { | |
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99 | terminal.getEvents(queue); |
100 | } | |
101 | } | |
102 | ||
103 | /** | |
104 | * Close the I/O, restore the console, etc. | |
105 | */ | |
106 | @Override | |
107 | public void shutdown() { | |
e3dfbd23 | 108 | ((SwingScreen) screen).shutdown(); |
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109 | } |
110 | ||
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111 | /** |
112 | * Set the window title. | |
113 | * | |
114 | * @param title the new title | |
115 | */ | |
116 | @Override | |
117 | public void setTitle(final String title) { | |
118 | ((SwingScreen) screen).setTitle(title); | |
119 | } | |
120 | ||
1ac2ccb1 | 121 | } |