Reorganize

inputcontrol/keysyms.generator.go

@@ -0,0 +1,126 @@
+//go:build ignore
+
+/*
+ *    Copyright (c) 2018 Unrud <unrud@outlook.com>
+ *
+ *    This file is part of Remote-Touchpad.
+ *
+ *    Remote-Touchpad is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    Remote-Touchpad is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with Remote-Touchpad.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"regexp"
+	"sort"
+	"strconv"
+)
+
+type Keysym int32
+
+const (
+	keysymdefHeader  string = "/usr/include/X11/keysymdef.h"
+	output           string = "keysyms.generated.go"
+	maxMappedUnicode rune   = 0xff
+)
+
+var overrideKeysyms = map[string]rune{
+	"XK_BackSpace":   0x08,
+	"XK_Tab":         0x09,
+	"XK_Linefeed":    0x0a,
+	"XK_Clear":       0x0b,
+	"XK_Return":      0x0d,
+	"XK_Pause":       0x13,
+	"XK_Scroll_Lock": 0x14,
+	"XK_Sys_Req":     0x15,
+	"XK_Escape":      0x1b,
+}
+
+func main() {
+	f, err := os.Open(keysymdefHeader)
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+	reader := bufio.NewReader(f)
+	re := regexp.MustCompile("^\\#define " +
+		"(XK_[a-zA-Z_0-9]+)\\s+" + // keysymName
+		"0x([0-9a-f]+)\\s*" + // keysym
+		"(?:/\\*\\s*(?:U\\+([0-9A-F]{4,6}))?.*\\*/\\s*)?" + // keysymUnicode (optional)
+		"$")
+	keysymsMap := make(map[rune]Keysym)
+	for {
+		l, err := reader.ReadString('\n')
+		if err == io.EOF {
+			break
+		} else if err != nil {
+			panic(err)
+		}
+		submatches := re.FindStringSubmatch(l)
+		if len(submatches) == 0 {
+			continue
+		}
+		keysymName := submatches[1]
+		keysymTemp, err := strconv.ParseInt(submatches[2], 16, 32)
+		keysym := Keysym(keysymTemp)
+		if err != nil {
+			panic(err)
+		}
+		unicode, found := overrideKeysyms[keysymName]
+		if !found {
+			if len(submatches[3]) == 0 {
+				continue
+			}
+			unicodeTemp, err := strconv.ParseInt(submatches[3], 16, 32)
+			unicode = rune(unicodeTemp)
+			if err != nil {
+				panic(err)
+			}
+
+		}
+		if unicode > maxMappedUnicode {
+			continue
+		}
+		if _, found := keysymsMap[unicode]; found {
+			continue
+		}
+		keysymsMap[unicode] = keysym
+	}
+	content := "// Code generated by keysyms.generator.go. DO NOT EDIT.\n" +
+		"//go:build portal || x11\n\n" +
+		"package inputcontrol\n\n" +
+		"var keysymsMap = map[rune]Keysym{\n"
+	keys := make([]rune, 0)
+	for key := range keysymsMap {
+		keys = append(keys, key)
+	}
+	sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] })
+	for _, unicode := range keys {
+		keysym := keysymsMap[unicode]
+		content += fmt.Sprintf("\t0x%04x: 0x%08x,\n", unicode, keysym)
+	}
+	content += "}\n"
+	o, err := os.Create(output)
+	if err != nil {
+		panic(err)
+	}
+	defer o.Close()
+	if _, err := o.WriteString(content); err != nil {
+		panic(err)
+	}
+}