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java – 将字符映射到国际键集的键码

2019-09-10 13:59:57  阅读:123  来源: 互联网

标签:scancodes java raspberry-pi


所以我在这里提到了一个pi零键盘模拟器:

https://www.rmedgar.com/blog/using-rpi-zero-as-keyboard-setup-and-device-definition

我创建了它从本地文本文件中读取的类型文本(在java中开发的所有东西 – 原因:)).
我现在的问题是我的pi零附加的各种计算机上配置的键集差异很大(德语,英语,法语……).这取决于计算机,这会导致几个打字错误(例如,z而不是y).

所以我现在建立了一些“转换表”,将字符映射到适合计算机的键码.这样的表看起来像这样:

public scancodes_en_us() {
    //We have (Character, (scancode, modifier))
    table.put("a",Pair.create("4","0"));
    table.put("b",Pair.create("5","0"));
    table.put("c",Pair.create("6","0"));
    table.put("d",Pair.create("7","0"));
    table.put("e",Pair.create("8","0"));
    table.put("f",Pair.create("9","0"));
    table.put("g",Pair.create("10","0"));
    table.put("h",Pair.create("11","0"));
    table.put("i",Pair.create("12","0"));
    table.put("j",Pair.create("13","0"));
    table.put("k",Pair.create("14","0"));
    table.put("l",Pair.create("15","0"));
    table.put("m",Pair.create("16","0"));
    table.put("n",Pair.create("17","0"));
    table.put("o",Pair.create("18","0"));
    table.put("p",Pair.create("19","0"));
    table.put("q",Pair.create("20","0"));
    table.put("r",Pair.create("21","0"));
    table.put("s",Pair.create("22","0"));
    table.put("t",Pair.create("23","0"));
    table.put("u",Pair.create("24","0"));
    table.put("v",Pair.create("25","0"));
    table.put("w",Pair.create("26","0"));
    table.put("x",Pair.create("27","0"));
    table.put("y",Pair.create("28","0"));
    table.put("z",Pair.create("29","0"));
    table.put("A",Pair.create("4","2"));
    table.put("B",Pair.create("5","2"));
    table.put("C",Pair.create("6","2"));
    table.put("D",Pair.create("7","2"));
    table.put("E",Pair.create("8","2"));
    table.put("F",Pair.create("9","2"));
    table.put("G",Pair.create("10","2"));
    table.put("H",Pair.create("11","2"));
    table.put("I",Pair.create("12","2"));
    table.put("J",Pair.create("13","2"));
    table.put("K",Pair.create("14","2"));
    table.put("L",Pair.create("15","2"));
    table.put("M",Pair.create("16","2"));
    table.put("N",Pair.create("17","2"));
    table.put("O",Pair.create("18","2"));
    table.put("P",Pair.create("19","2"));
    table.put("Q",Pair.create("20","2"));
    table.put("R",Pair.create("21","2"));
    table.put("S",Pair.create("22","2"));
    table.put("V",Pair.create("25","2"));
    table.put("W",Pair.create("26","2"));
    table.put("X",Pair.create("27","2"));
    table.put("Y",Pair.create("28","2"));
    table.put("Z",Pair.create("29","2"));
    table.put("1",Pair.create("30","0"));
    table.put("2",Pair.create("31","0"));
    table.put("5",Pair.create("34","0"));
    table.put("6",Pair.create("35","0"));
    table.put("7",Pair.create("36","0"));
    table.put("8",Pair.create("37","0"));
    table.put("9",Pair.create("38","0"));
    table.put("0",Pair.create("39","0"));
    table.put("!",Pair.create("30","2"));
    table.put("@",Pair.create("31","2"));
    table.put("#",Pair.create("32","2"));
    table.put("$",Pair.create("33","2"));
    table.put("%",Pair.create("34","2"));
    table.put("^",Pair.create("35","2"));
    table.put("&",Pair.create("36","2"));
    table.put("*",Pair.create("37","2"));
    table.put("(",Pair.create("38","2"));
    table.put(")",Pair.create("39","2"));
    table.put(" ",Pair.create("44","0"));
    table.put("-",Pair.create("45","0"));
    table.put("=",Pair.create("46","0"));
    table.put("[",Pair.create("47","0"));
    table.put("]",Pair.create("48","0"));
    table.put("\\",Pair.create("49","0"));
    table.put(";",Pair.create("51","0"));
    table.put("'",Pair.create("52","0"));
    table.put("`",Pair.create("53","0"));
    table.put(",",Pair.create("54","0"));
    table.put(".",Pair.create("55","0"));
    table.put("/",Pair.create("56","0"));
    table.put("_",Pair.create("45","2"));
    table.put("+",Pair.create("46","2"));
    table.put("{",Pair.create("47","2"));
    table.put("}",Pair.create("48","2"));
    table.put("|",Pair.create("49","2"));
    table.put(":",Pair.create("51","2"));
    table.put("\"",Pair.create("52","2"));
    table.put("~",Pair.create("53","2"));
    table.put("<",Pair.create("54","2"));
    table.put(">",Pair.create("55","2"));
    table.put("?",Pair.create("56","2"));

拥有这种用于许多不同键盘布局的表是一种痛苦.是否有更聪明的版本将字符映射到特定键盘布局的扫描码?

如果没有 – 是否有某种存档,我可以找到这样一个字符来扫描码映射许多不同的键盘布局?

非常感谢你

解决方法:

看看本地化是如何工作的,它们都采用相同的方法:为每个本地化创建一个特殊版本作为属性文件,然后有一个抽象类来根据区域设置加载属性.

你将开发一个这样的加载器类:

public scancodes(Locale locale) {
    // load locale property file or download if missing
    // read the property and store to the table
    ResourceBundle scanCodes = ResourceBundle.getBundle("codes",locale);
}

你的codes_locale看起来像:

codes_de.properties

a=4,0
b=5,0

通过这样做,您可以将特定于语言环境的字符与逻辑代码分开,而无需将所有键盘捆绑在应用程序的旁边.您可以根据需要下载它们.

您可以访问教程here

标签:scancodes,java,raspberry-pi
来源: https://codeday.me/bug/20190910/1799167.html

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