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Diffstat (limited to 'Adjbacklight.java')
| -rw-r--r-- | Adjbacklight.java | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/Adjbacklight.java b/Adjbacklight.java deleted file mode 100644 index 10ea8d2..0000000 --- a/Adjbacklight.java +++ /dev/null @@ -1,141 +0,0 @@ -/** - * adjbacklight – Convient method for adjusting the backlight on your portable computer - * - * Copyright © 2012, 2013, 2014 Mattias Andrée (maandree@member.fsf.org) - * - * This program 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. - * - * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. - */ -import java.io.*; -import java.util.*; - - -/** - * Interactive backlight adjustment - * - * @author Mattias Andrée, <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class Adjbacklight -{ - /** - * The is the main entry point of the program - * - * @param args Expects the three values: terminal height, terminal width, backlight device - * @throws IOException On error - */ - public static void main(final String... args) throws IOException - { - String dir = "/sys/class/backlight/" + args[2] + "/"; - int width = Integer.parseInt(args[1]); - int max = 0, min = 0, cur = 0; - - { InputStream is = null; - try - { is = new FileInputStream(dir + "brightness"); - Scanner sc = new Scanner(is); - cur = Integer.parseInt(sc.nextLine()); - } - finally - { if (is != null) - is.close(); - } - } - { InputStream is = null; - try - { is = new FileInputStream(dir + "max_brightness"); - Scanner sc = new Scanner(is); - max = Integer.parseInt(sc.nextLine()); - } - finally - { if (is != null) - is.close(); - } - } - - if (max <= min) - System.exit(127); - int step = (max - min) / 200; - int init = cur; - if (step == 0) - step = 1; - - System.out.print("\n\n\n\n\n\n"); - print(min, max, init, cur, width); - - for (int d; (d = System.in.read()) != -1;) - switch (d) - { - case 'q': - case '\n': - case 4: - System.out.println(); - return; - - case 'A': - case 'C': cur += step << 1; - case 'B': - case 'D': cur -= step; - - if (cur < min) cur = min; - if (cur > max) cur = max; - - { OutputStream os = null; - try - { os = new FileOutputStream(dir + "brightness"); - os.write((cur + "\n").getBytes("UTF-8")); - os.flush(); - print(min, max, init, cur, width); - } - finally - { if (os != null) - os.close(); - } - } - break; - } - } - - /** - * Print the status - * - * @param min The minimum possible brightness - * @param max The maximum possible brightness - * @param init The brightness used when the program started - * @param cur The current brightness - * @param width The width of the terminal - */ - private static void print(int min, int max, int init, int cur, int width) - { - String line = "──────────────────────────────────"; - while (line.length() < width - 2) - line += line; - line = line.substring(0, width - 2); - - String space = " "; - while (space.length() < width - 2) - space += space; - space = space.substring(0, width - 2); - - int mid = (int)((cur - min) * (width - 2.) / (max - min) + 0.5); - - System.out.print("\033[1000D\033[6A"); - System.out.println("\033[2K┌" + line + "┐"); - System.out.println("\033[2K│\033[47m" + space.substring(0, mid) + "\033[49m" + space.substring(mid) + "│"); - System.out.println("\033[2K└" + line + "┘"); - System.out.println("\033[2KMaximum brightness: " + max); - System.out.println("\033[2KInitial brightness: " + init); - System.out.println("\033[2KCurrent brightness: " + cur); - } - -} - |