mirror of https://git.davidovski.xyz/dot.git
117 lines
3.2 KiB
Python
Executable File
117 lines
3.2 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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import numpy as np
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import os
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from Xlib import X, display
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from Xlib.ext import randr
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import subprocess
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import re
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# this is horriffic, gets the list of all screens
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screens = [ (lambda s: [int(x) for x in (s.split("+")[1], s.split("+")[2], s.split("x")[0].split("/")[0], s.split("x")[1].split("/")[0])])(l.split(" ")[3]) for l in str(subprocess.check_output(["xrandr", "--listmonitors"])).split("\\n") if len(l.split(" ")) > 2]
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#if len(sys.argv) < 3:
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# print("Usage: tablet [dev number] [property number] [scale factor] [aspect ratio]")
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#Arguments
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scale = float(sys.argv[1]) if len(sys.argv) > 1 else 1
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#tablet_ratio = (lambda s: float(s[0]) / float(s[1]))(sys.argv[4].split(":")) if len(sys.argv) > 4 else 16/9
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tablet_ratio = 16/9
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input_items = list(filter(lambda i: i[0], zip(subprocess.check_output(["xinput", "list", "--id-only"]).decode("ascii").split("\n"), subprocess.check_output(["xinput", "list", "--name-only"]).decode("ascii").split("\n"))))
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input_items = sorted(input_items, key=(lambda i: int(i[0])))
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print("Input devices found:")
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for item in input_items:
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print(f"{item[0]}: {item[1]}")
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print()
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dev = input("Select input device (id) to use: ")
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prop = [ re.search(r"\((.+)\)", line).group(1) for line in subprocess.check_output(["xinput", "list-props", dev]).decode("ascii").split("\n") if re.search("Coordinate Transformation Matrix", line) ][0]
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if len(screens) == 1:
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target = screens[0]
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else:
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print("Multiple screens detected:\n")
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for i, screen in enumerate(screens):
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print(f"{i}: {screen}")
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print()
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targetno = input("Enter screen to map to (0): ")
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if targetno:
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target = screens[int(targetno)]
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else:
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target = screens[0]
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#Physical offset of the selected screen
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offsetx = target[0]
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offsety = target[1]
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#Size of the full screen areas
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sh, sw = 0, 0
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for screen in screens:
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if screen[0]+screen[2] > sw:
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sw = screen[0] + screen[2]
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if screen[1]+screen[3] > sh:
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sh = screen[1] + screen[3]
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#Aspect ratio of the tablet, to avoid weird scaling problems
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#Size of the tablet
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#Prioritize the width when scaling between aspect ratios
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tw = target[2]
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th = tw / tablet_ratio
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if "-r" in sys.argv or "-l" in sys.argv:
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th = target[2]
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tw = th / tablet_ratio
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#make a variable that will try to make the scale the same over diferent resoultions
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f = target[3] / target[3]
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print ("f value =", f)
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#calculate the new area size
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aw = tw * scale * f
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ah = th * scale * f
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ox = (target[2] - aw) / 2 + offsetx
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oy = (target[3] - ah) / 2 + offsety
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#ox = offsetx
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#oy = offsety
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c0 = aw / sw
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c2 = ah / sh
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c1 = ox / sw
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c3 = oy / sh
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print(str(c0), "0", str(c1), "0", str(c2), str(c3), "0 0 1")
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transform = np.matrix([[c0, 0, c1], [0, c2, c3], [0, 0, 1]])
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leftrotate = np.matrix([[0, -1, 1], [1, 0, 0], [0, 0, 1]])
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rightrotate = np.matrix([[0, 1, 0], [-1, 0, 1], [0, 0, 1]])
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if "-r" in sys.argv:
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transform *= rightrotate
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if "-l" in sys.argv:
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transform *= leftrotate
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arr = np.squeeze(np.asarray(transform))
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cmd = " ".join(["xinput set-prop", dev, prop, " ".join([str(x) for x in [arr[0, 0], arr[0, 1], arr[0, 2], arr[1, 0], arr[1, 1], arr[1, 2], arr[2, 0], arr[2, 1], arr[2, 2]]])])
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print(cmd)
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os.system(cmd)
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#alias tablet2="xinput set-prop 18 156 2.45 0 -0.725 0 2.45 -0.725 0 0 1"
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