120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
#!/bin/python3
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import json
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import subprocess
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from argparse import ArgumentParser
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ENTER = "\n"
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def get_windows():
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command = "swaymsg -t get_tree"
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process = subprocess.Popen(
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command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE
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)
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process = subprocess.Popen(
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command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE
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)
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data = json.loads(process.communicate()[0])
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# Select outputs that are active
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windows = []
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for output in data["nodes"]:
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# The scratchpad (under __i3) is not supported
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if output.get("name") != "__i3" and output.get("type") == "output":
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workspaces = output.get("nodes", [])
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for ws in workspaces:
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if ws.get("type") == "workspace":
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windows.extend(extract_nodes_iterative(ws))
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return windows
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# Extracts all windows from a sway workspace json object
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def extract_nodes_iterative(workspace):
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all_nodes = []
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floating_nodes = workspace.get("floating_nodes", [])
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for floating_node in floating_nodes:
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all_nodes.append(floating_node)
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nodes = workspace.get("nodes", [])
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for node in nodes:
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# Leaf node
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if not node.get("nodes"):
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all_nodes.append(node)
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# Nested node, handled iterative
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else:
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for inner_node in node.get("nodes"):
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nodes.append(inner_node)
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return all_nodes
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# Returns an array of all windows
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def parse_windows(windows):
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return [window.get("name") for window in windows]
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# Returns a newline seperated UFT-8 encoded string of all windows for wofi
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def build_wofi_string(windows):
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return ENTER.join(windows).encode("UTF-8")
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# Executes wofi with the given input string
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def show_wofi(windows):
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command = 'wofi -c ~/.config/wofi/menu -s ~/.config/wofi/style.css -p "Windows: " -d -i --hide-scroll'
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process = subprocess.Popen(
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command, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE
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)
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return process.communicate(input=windows)[0]
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# Returns the sway window id of the window that was selected by the user inside wofi
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def parse_id(windows, parsed_windows, selected):
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if not selected:
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return None
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else:
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selected = (selected.decode("UTF-8"))[:-1] # Remove new line character
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window_index = int(
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parsed_windows.index(selected)
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) # Get index of selected window in the parsed window array
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return str(
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windows[window_index].get("id")
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) # Get sway window id based on the index
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# Switches the focus to the given id
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def switch_window(id):
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command = "swaymsg [con_id={}] focus".format(id)
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process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
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process.communicate()[0]
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# Entry point
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if __name__ == "__main__":
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parser = ArgumentParser(description="Wofi based window switcher")
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windows = get_windows()
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parsed_windows = parse_windows(windows)
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wofi_string = build_wofi_string(parsed_windows)
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selected = show_wofi(wofi_string)
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# Otherwise no point in running
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if selected:
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selected_id = parse_id(windows, parsed_windows, selected)
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switch_window(selected_id)
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