230 lines
7.4 KiB
Python
230 lines
7.4 KiB
Python
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from i3ipc import Connection, Event
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from threading import Thread
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from time import sleep
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FRAME_T = 0.01 # time taken between each frame of fade
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# transparency values
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CON_AC = 1 # active window
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CON_INAC = 0.5 # inactive window
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FLOAT_AC = 1 # active floating window
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FLOAT_INAC = 0.5 # inactive floating window
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BOT_INAC = 0.9 # bottom window
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# fade durations
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FADE_TIME = 0.2
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ALT_FADE_TIME = 0.1
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CON_OUT = FADE_TIME # window fading out
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CON_IN = 0.15 # window fading in
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FLOAT_OUT = ALT_FADE_TIME # floating window fading out
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FLOAT_IN = ALT_FADE_TIME # floating window fading in
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BOT_OUT = ALT_FADE_TIME # bottom window fading out
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BOT_IN = ALT_FADE_TIME # bottom window fading in
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BOT_SWITCH_IN = FADE_TIME # window becoming bottom window
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BOT_SWITCH_OUT = FADE_TIME # bottom window becoming window
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FLOAT_BOT_OUT = FADE_TIME # floating window fading out from bottom
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FLOAT_BOT_IN = FADE_TIME # floating window fading in from bottom
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class Fader:
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def __init__(self):
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self.floating_windows = []
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self.fader_running = False
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self.fade_queue = []
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self.fade_data = {}
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self.bottom_win = None
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self.old_win = None
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self.active_win = None
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ipc = Connection()
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ipc.on(Event.WINDOW_FOCUS, self.on_window_focus)
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ipc.on(Event.WINDOW_NEW, self.on_window_new)
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ipc.on(Event.WINDOW_FLOATING, self.on_window_floating)
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for win in ipc.get_tree():
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if win.type == "floating_con":
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self.floating_windows.append(win.id)
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if win.focused:
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change_opacity(win, FLOAT_AC)
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self.active_win = win
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else:
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change_opacity(win, FLOAT_INAC)
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elif win.type == "con":
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if win.focused:
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self.active_win = win
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change_opacity(win, CON_AC)
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else:
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change_opacity(win, CON_INAC)
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ipc.main()
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def add_fade(self, win, start, target, duration):
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if not duration:
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if win.id in self.fade_queue:
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self.fade_queue.remove(win.id)
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del self.fade_data[win.id]
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change_opacity(win, target)
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return
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if win.id in self.fade_queue:
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f = self.fade_data[win.id]
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change = (FRAME_T / duration) * (target - f["opacity"])
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f["change"] = change
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f["target"] = target
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return
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change_opacity(win, start)
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change = (FRAME_T / duration) * (target - start)
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fade_data = {"opacity": start, "change": change, "target": target, "win": win}
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self.fade_queue.append(win.id)
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self.fade_data[win.id] = fade_data
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def start_fader(self):
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if not self.fader_running:
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self.fader_running = True
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Thread(target=self.fader).start()
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def fader(self):
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while self.fade_queue:
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for win_id in self.fade_queue.copy():
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try:
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f = self.fade_data[win_id]
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except KeyError:
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continue
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f["opacity"] += f["change"]
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finished = False
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if f["change"] > 0:
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if f["opacity"] >= f["target"]:
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finished = True
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elif f["opacity"] <= f["target"]:
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finished = True
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if finished:
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change_opacity(f["win"], f["target"])
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try:
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self.fade_queue.remove(win_id)
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del self.fade_data[win_id]
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except (KeyError, ValueError):
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continue
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else:
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change_opacity(f["win"], f["opacity"])
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sleep(FRAME_T)
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self.fader_running = False
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def on_window_focus(self, ipc, e):
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if self.active_win.id == e.container.id:
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return
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if self.active_win.type == "con":
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if e.container.type == "con":
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self.add_fade(
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e.container, CON_INAC,
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CON_AC, CON_IN)
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self.add_fade(
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self.active_win, CON_AC,
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CON_INAC, CON_OUT)
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else:
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self.add_fade(
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e.container, FLOAT_INAC,
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FLOAT_AC, FLOAT_IN)
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self.add_fade(
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self.active_win, CON_AC,
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BOT_INAC, BOT_OUT)
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self.bottom_win = self.active_win
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else:
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if e.container.type == "con":
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self.add_fade(
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self.active_win, FLOAT_AC,
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FLOAT_INAC, FLOAT_BOT_OUT)
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if not self.bottom_win:
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self.add_fade(
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e.container, CON_INAC,
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CON_AC, CON_IN)
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elif e.container.id != self.bottom_win.id:
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self.add_fade(
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self.bottom_win, BOT_INAC,
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CON_INAC, BOT_SWITCH_OUT)
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self.add_fade(
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e.container, CON_INAC,
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CON_AC, BOT_SWITCH_IN)
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self.bottom_win = e.container
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else:
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self.add_fade(
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self.bottom_win, BOT_INAC,
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CON_AC, BOT_IN)
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else:
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self.add_fade(
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self.active_win, FLOAT_AC,
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FLOAT_INAC, FLOAT_OUT)
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self.add_fade(
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e.container, FLOAT_INAC,
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FLOAT_AC, FLOAT_IN)
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self.start_fader()
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self.active_win = e.container
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def on_window_new(self, ipc, e):
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if self.active_win:
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if self.active_win.type == "con":
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change_opacity(self.active_win, CON_INAC)
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else:
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change_opacity(self.active_win, FLOAT_INAC)
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if self.bottom_win:
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change_opacity(self.bottom_win, CON_INAC)
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elif self.active_win and self.active_win.type == "con":
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self.bottom_win = self.active_win
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change_opacity(self.bottom_win, CON_INAC)
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change_opacity(e.container, CON_AC)
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self.old_win = self.active_win
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self.active_win = e.container
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def on_window_floating(self, ipc, e):
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c_id = e.container.id
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if c_id not in self.floating_windows:
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self.floating_windows.append(c_id)
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if self.active_win.id != e.container.id:
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change_opacity(e.container, FLOAT_INAC)
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else:
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if self.old_win and self.bottom_win:
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if self.old_win.type == "con":
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self.bottom_win = self.old_win
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change_opacity(self.bottom_win, BOT_INAC)
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change_opacity(e.container, FLOAT_AC)
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else:
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self.floating_windows.remove(c_id)
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if self.active_win.id != e.container.id:
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change_opacity(e.container, CON_INAC)
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else:
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if self.old_win and self.old_win.type == "con":
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change_opacity(self.old_win, CON_INAC)
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change_opacity(self.active_win, CON_AC)
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self.active_win = e.container
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def change_opacity(win, trans):
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win.command("opacity " + str(trans))
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if __name__ == "__main__":
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Fader()
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