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annotate termemu-keys.js @ 35:f15efa4818b4

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rglterm.js: reduce the server polling. For roguelike games, most output will directly result from and follow immediately after input from the user. In other situations, data should not be expected.
author John "Elwin" Edwards <elwin@sdf.org>
date Tue, 05 Jun 2012 22:33:41 -0700
parents 21738794755e
children d7eb63cd7a16
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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21738794755e Put common key tables into a common file.
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1 /* termemu-keys.js: some key-handling code common to both drivers. */
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2
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3 /* ASCII values of keys 0-9. */
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4 var numShifts = [41, 33, 64, 35, 36, 37, 94, 38, 42, 40];
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5
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6 var keyHexCodes = {
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7 init: function () {
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8 this[KeyboardEvent.DOM_VK_RETURN] = ["0d", "0d"];
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9 this[KeyboardEvent.DOM_VK_SPACE] = ["20", "20"];
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10 this[KeyboardEvent.DOM_VK_TAB] = ["09", "09"];
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11 this[KeyboardEvent.DOM_VK_BACK_QUOTE] = ["60", "7e"];
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12 this[KeyboardEvent.DOM_VK_OPEN_BRACKET] = ["5b", "7b"];
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13 this[KeyboardEvent.DOM_VK_CLOSE_BRACKET] = ["5d", "7d"];
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14 this[KeyboardEvent.DOM_VK_BACK_SLASH] = ["5c", "7c"];
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15 this[KeyboardEvent.DOM_VK_SEMICOLON] = ["3b", "3a"];
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16 this[KeyboardEvent.DOM_VK_QUOTE] = ["27", "22"];
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17 this[KeyboardEvent.DOM_VK_COMMA] = ["2c", "3c"];
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18 this[KeyboardEvent.DOM_VK_PERIOD] = ["2e", "3e"];
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19 this[KeyboardEvent.DOM_VK_SLASH] = ["2f", "3f"];
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20 this[KeyboardEvent.DOM_VK_EQUALS] = ["3d", "2b"];
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21 this[KeyboardEvent.DOM_VK_SUBTRACT] = ["2d", "5f"];
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22 this[KeyboardEvent.DOM_VK_BACK_SPACE] = ["08", "08"];
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23 this[KeyboardEvent.DOM_VK_DELETE] = ["1b5b337e", "1b5b337e"];
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24 this[KeyboardEvent.DOM_VK_ESCAPE] = ["1b", "1b"];
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25 this[KeyboardEvent.DOM_VK_PAGE_UP] = ["1b5b357e", "1b5b357e"];
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26 this[KeyboardEvent.DOM_VK_PAGE_DOWN] = ["1b5b367e", "1b5b367e"];
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27 this.appCursor(false);
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28 this.appKeypad(false);
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29 },
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30 /* Multi-char control sequences! Neat! */
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31 appCursor: function (on) {
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32 /* Aren't special keys vile? */
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33 if (on) {
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34 this[KeyboardEvent.DOM_VK_LEFT] = ["1b4f44", "1b4f44"];
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35 this[KeyboardEvent.DOM_VK_RIGHT] = ["1b4f43", "1b4f43"];
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36 this[KeyboardEvent.DOM_VK_UP] = ["1b4f41", "1b4f41"];
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37 this[KeyboardEvent.DOM_VK_DOWN] = ["1b4f42", "1b4f42"];
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38 this[KeyboardEvent.DOM_VK_END] = ["1b4f46", "1b4f46"];
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39 this[KeyboardEvent.DOM_VK_HOME] = ["1b4f48", "1b4f48"];
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40 }
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41 else {
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42 this[KeyboardEvent.DOM_VK_LEFT] = ["1b5b44", "1b5b44"];
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43 this[KeyboardEvent.DOM_VK_RIGHT] = ["1b5b43", "1b5b43"];
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44 this[KeyboardEvent.DOM_VK_UP] = ["1b5b41", "1b5b41"];
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45 this[KeyboardEvent.DOM_VK_DOWN] = ["1b5b42", "1b5b42"];
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46 this[KeyboardEvent.DOM_VK_END] = ["1b5b46", "1b5b46"];
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47 this[KeyboardEvent.DOM_VK_HOME] = ["1b5b48", "1b5b48"];
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48 }
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49 },
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50 appKeypad: function (on) {
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51 /* In theory, these should produce either numerals or the k[a-c][1-3]
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52 * sequences. Since we can't count on the terminfo description actually
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53 * containing those sequences, pretend they're just arrow keys etc.
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54 */
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55 this[KeyboardEvent.DOM_VK_NUMPAD1] = ["1b4f46", "1b4f46"];
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56 this[KeyboardEvent.DOM_VK_NUMPAD2] = ["1b4f42", "1b4f42"];
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57 this[KeyboardEvent.DOM_VK_NUMPAD3] = ["1b5b367e", "1b5b367e"];
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58 this[KeyboardEvent.DOM_VK_NUMPAD4] = ["1b4f44", "1b4f44"];
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59 this[KeyboardEvent.DOM_VK_NUMPAD5] = ["1b5b45", "1b5b45"];
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60 this[KeyboardEvent.DOM_VK_NUMPAD6] = ["1b4f43", "1b4f43"];
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61 this[KeyboardEvent.DOM_VK_NUMPAD7] = ["1b4f48", "1b4f48"];
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62 this[KeyboardEvent.DOM_VK_NUMPAD8] = ["1b4f41", "1b4f41"];
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63 this[KeyboardEvent.DOM_VK_NUMPAD9] = ["1b5b357e", "1b5b357e"];
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64 return;
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65 }
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66 };
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67