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movescreen.py
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#!/usr/bin/env python
# This script is used to move windows accross monitors, if the window manager
# does not provide any shortcut.
#
# Written by Antoine Calando / 2017 - Public domain
import subprocess
import re
import sys
# Parse arguments
# ==============
ratio = False
if 1 < len(sys.argv) and sys.argv[1] == '-r':
ratio = True
del sys.argv[1]
dir_str = [ "left", "right", "up", "down", "next", "prev", "fit" ]
if len(sys.argv) < 2 or sys.argv[1] not in dir_str:
print("usage: %s [-r] <%s> [active|a] [mouse|m] [win_id]" % (sys.argv[0], '|'.join(dir_str)))
exit(1)
dir = sys.argv[1]
if ratio and dir == "fit":
print("warning: '-r' ignored with 'fit'")
list_id = []
for arg in sys.argv[2:] or 'a':
if arg in ['m', 'mouse']:
list_id += ['mouse']
elif arg in ['a', 'active']:
# Get active/focused window
out = subprocess.check_output(['xprop', '-root', '_NET_ACTIVE_WINDOW']).decode('ascii', 'ignore')
list_id += [re.search("window id # (0x[0-9a-f]+)", out).group(1)]
else:
# Get window id from argument
try:
list_id += [hex(int(arg, 0))]
except ValueError:
print("win_id must be a number!")
exit(1)
# Get screens information
# =======================
# scr will store a list of list: [ [ width height offset_x offset_y ] ... ]
out = subprocess.check_output(['xrandr']).decode('ascii', 'ignore')
reg = re.compile(" connected( primary)? ([0-9]+)x([0-9]+)\+([0-9]+)\+([0-9]+)")
scr = []
for l in out.splitlines():
m = reg.search(l)
if m:
scr += [ list(map(int, m.groups()[1:])) ]
def isect_area(a, b):
# Compute top left and bottom right coords in scr format: [w h x y]
tlx = max(a[2], b[2])
tly = max(a[3], b[3])
brx = min(a[2] + a[0], b[2] + b[0])
bry = min(a[3] + a[1], b[3] + b[1])
return max (0, brx - tlx) * max (0, bry - tly)
# r will hold a dict of how screens are disposed between themselves, using their idx
# e.g. if scr 0 is at left of 1, then r[left][1] == 0 and r[right][0] == 1
r = { a : [ None ] * len(scr) for a in dir_str }
for ia, sa in enumerate(scr):
for ib, sb in enumerate(scr):
if sa != sb:
# Duplicate screen on right then bottom, and check intersection
# Using the max of interection area would be better
if isect_area([sa[0], sa[1], sa[2] + sa[0], sa[3]], sb):
r["right"][ia] = ib
r["left"][ib] = ia
if isect_area([sa[0], sa[1], sa[2], sa[3] + sa[1]], sb):
r["down"][ia] = ib
r["up"][ib] = ia
r["next"][ia] = (ia + 1) % len(scr)
r["prev"][ia] = (ia - 1) % len(scr)
r["fit"][ia] = ia
for id in list_id:
# Get mouse/window info
# =====================
if id == 'mouse':
out = subprocess.check_output(['xdotool', 'getmouselocation']).decode('ascii', 'ignore')
d = dict([ w.split(':') for w in out.split()])
geo = [ 1, 1, int(d['x']), int(d['y']), 0, 0 ]
else:
# Get info on focused window,
out = subprocess.check_output(['xwininfo', '-id', id, '-all']).decode('ascii', 'ignore')
geo_str = ( "Width:", "Height:",
"Absolute upper-left X:", "Absolute upper-left Y:",
"Relative upper-left X:", "Relative upper-left Y:", "")
state_str = ("Maximized Vert", "Maximized Horz", "Fullscreen", )
geo = [None] * 6
state = []
# Replace each geo elem with matching int, add states/types in state, converted for wmctrl
for l in out.splitlines():
l = l.strip()
idx = next(i for i, s in enumerate(geo_str) if l.startswith(s))
if geo_str[idx] != "":
geo[idx] = int(l.split()[-1])
elif l in state_str:
state += [l.lower().replace(' ', '_')]
elif l == "Desktop":
# Top level window
sys.exit(2)
# Pocess mouse/window info
# ========================
# Find screen of active window from the max area
areas = list(map(lambda s : isect_area(geo, s), scr))
try:
sidx = areas.index(max(areas + [1]))
except ValueError:
exit(3)
# other screen in this direction?
try:
nscr = scr[r[dir][sidx]]
except ValueError:
exit(4)
except TypeError:
exit(5)
# From the current coordinates...
npos = [geo[2] - geo[4], geo[3] - geo[5]]
nsiz = geo[0:2]
#print scr, npos, nsiz
if dir == 'fit':
# ... reduce/move window so it fits totally in the screen (taking border into account)
nsiz = [ min(nsiz[0], nscr[0] - 2*geo[4]), min(nsiz[1], nscr[1] - geo[4] - geo[5]) ]
npos[0] = min(max(npos[0], nscr[2]), nscr[2] + nscr[0] - nsiz[0] - geo[4] - geo[4])
npos[1] = min(max(npos[1], nscr[3]), nscr[3] + nscr[1] - nsiz[1] - geo[5] - geo[4])
else:
if ratio:
# ... or move/scale window by keeping same ratio between each screens (+ rounding)
for i in (0,1):
npos[i] = int(float(npos[i] - scr[sidx][2 + i]) / scr[sidx][i] * nscr[i] + .5) + nscr[2 + i]
nsiz[i] = int(1.0 * nsiz[i] * nscr[i] / scr[sidx][i] +.5)
else:
# ... or translate window by applying offset on x (left/right), y (up/down), or both (next/prev)
for xy in [[0], [1], [0,1]][int(dir_str.index(dir)/2)]:
npos[xy] += nscr[2 + xy] - scr[sidx][2 + xy]
#print scr, npos, nsiz
# Set mouse/window info
# =========================
if id == 'mouse':
subprocess.call(['xdotool', 'mousemove'] + [str(n) for n in npos])
else:
# Execute move command, preserving the states
def wmctrl(id, ops):
for op in ops:
cmd = ['wmctrl', '-i', '-r', id ] + op
subprocess.call(cmd)
# wmctrl very pernickety with -b argument, 'add' not really working and 2 props max
wmctrl(id, [['-b', 'toggle,' + s] for s in state])
wmctrl(id, [['-e', '0,%d,%d,%d,%d' % tuple(npos+nsiz)]])
wmctrl(id, [['-b', 'toggle,' + s] for s in state])