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107 lines
2.5 KiB
107 lines
2.5 KiB
6 years ago
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#!/usr/bin/env python
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import i3
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import re
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import subprocess
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import getopt
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import sys
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import os
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def find_parent(window_id):
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"""
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Find the parent of a given window id
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"""
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root_window = i3.get_tree()
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result = [None]
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def finder(n, p=None):
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if result[0] is not None:
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return
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for node in n:
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if node['id'] == window_id:
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result[0] = p
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return
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if len(node['nodes']):
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finder(node['nodes'], node)
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finder(root_window['nodes'])
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return result[0]
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def set_layout():
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"""
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Set the layout/split for the currently
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focused window to either vertical or
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horizontal, depending on its width/height
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"""
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current_win = i3.filter(nodes=[], focused=True)
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for win in current_win:
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parent = find_parent(win['id'])
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if (parent and "rect" in parent
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and parent['layout'] != 'tabbed'
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and parent['layout'] != 'stacked'):
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height = parent['rect']['height']
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width = parent['rect']['width']
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if height > width:
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new_layout = 'vertical'
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else:
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new_layout = 'horizontal'
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i3.split(new_layout)
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def print_help():
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print("Usage: " + sys.argv[0] + " [-p path/to/pid.file]")
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print("")
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print("Options:")
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print(" -p path/to/pid.file Saves the PID for this program in the filename specified")
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print("")
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def main():
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"""
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Main function - listen for window focus
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changes and call set_layout when focus
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changes
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"""
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opt_list, args = getopt.getopt(sys.argv[1:], 'hp:')
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pid_file = None
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for opt in opt_list:
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if opt[0] == "-h":
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print_help()
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sys.exit()
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if opt[0] == "-p":
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pid_file = opt[1]
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if pid_file:
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with open(pid_file, 'w') as f:
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f.write(str(os.getpid()))
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process = subprocess.Popen(
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['xprop', '-root', '-spy'],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE
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)
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regex = re.compile(b'^_NET_CLIENT_LIST_STACKING|^_NET_ACTIVE_WINDOW')
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last_line = ""
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while True:
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line = process.stdout.readline()
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if line == b'': #X is dead
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break
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if line == last_line:
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continue
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if regex.match(line):
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set_layout()
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last_line = line
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process.kill()
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sys.exit()
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if __name__ == "__main__":
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main()
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