2021-10-09 21:20:41 +00:00
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#!/usr/bin/python
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import sys
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2022-07-31 21:09:31 +00:00
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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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2021-10-09 21:20:41 +00:00
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#Arguments
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dev = sys.argv[1]
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prop = sys.argv[2]
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scale = float(sys.argv[3])
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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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#Layout of screens: (x, y, w, h)
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2022-07-31 21:09:31 +00:00
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#screens = [
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# (0, 0, 1280, 1024),
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# (1280, 0, 2560, 1440),
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# (3840, 0, 1080, 1920),
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# (4920, 0, 1080, 1920),
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#]
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2021-10-09 21:20:41 +00:00
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screens = [
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2023-02-06 12:07:49 +00:00
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(0, 0, 1920, 1080),
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(0, 1080, 1920, 1080),
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(1920, 1080, 2560, 1440),
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2021-10-09 21:20:41 +00:00
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]
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#TODO find this with xrandr
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2023-02-06 12:07:49 +00:00
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target = screens[2]
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2021-10-09 21:20:41 +00:00
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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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2023-02-06 12:07:49 +00:00
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sh = 1080+ 1440
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sw = 1920 + 2560
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2021-10-09 21:20:41 +00:00
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#TODO calculate using list of screens
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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 with when scaling between aspect ratios
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tw = target[2]
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th = tw / tablet_ratio
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print(tw, "x", th)
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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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import os
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os.system(" ".join(["xinput set-prop", dev, prop, str(c0), "0", str(c1), "0", str(c2), str(c3), "0 0 1"]))
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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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