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author | Mattias Andrée <maandree@operamail.com> | 2012-10-12 23:58:08 +0200 |
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committer | Mattias Andrée <maandree@operamail.com> | 2012-10-12 23:58:08 +0200 |
commit | f1c303b27f92aa2f99751df3879125d96b94cdb1 (patch) | |
tree | f148f06ecc0f29299bd5aa1924479956f5f5e1cb /Adjbacklight.java | |
parent | time for java (diff) | |
download | adjbacklight-f1c303b27f92aa2f99751df3879125d96b94cdb1.tar.gz adjbacklight-f1c303b27f92aa2f99751df3879125d96b94cdb1.tar.bz2 adjbacklight-f1c303b27f92aa2f99751df3879125d96b94cdb1.tar.xz |
java implementation + completed
Diffstat (limited to 'Adjbacklight.java')
-rwxr-xr-x | Adjbacklight.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/Adjbacklight.java b/Adjbacklight.java new file mode 100755 index 0000000..c632d65 --- /dev/null +++ b/Adjbacklight.java @@ -0,0 +1,104 @@ +import java.io.*; +import java.util.*; + + +/** + * @author Mattias Andrée, <a href="mailto:maandree@kth.se">maandree@kth.se</a> + */ +public class Adjbacklight +{ + public static void main(final String... args) throws IOException + { + String dir = "/sys/class/backlight/intel_backlight/"; + 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) / 100; + int init = cur; + + 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; + } + } + + 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); + } + +} + |