dotfiles/.config/qtile/config.py

import time
import os
import subprocess
import psutil
from typing import List  # noqa: F401

from libqtile import bar, layout, widget, qtile, hook
from libqtile.config import Click, Drag, Group, ScratchPad, DropDown, Key, Match, Screen
from libqtile.lazy import lazy

MOD = "mod4"
ALT = "mod1"
TERMINAL = "alacritty"
FILE_MANAGER = "pcmanfm --no-desktop -n"
SCREENSHOT = "gnome-screenshot"
SCREENSHOT_UTILITY = "gnome-screenshot -i"
CALCULATOR = "gnome-calculator"
CALENDAR = "gnome-calendar"
SHOW_KEYBINDS = f"{TERMINAL} -t Keybinds -e python3 /home/grfreire/.config/qtile/list_keybinds.py"
POWER_MENU = os.path.expanduser(
    "~/.scripts/bin/simple-power-menu"
)

MEDIA_CONTROL = os.path.expanduser("~/.config/qtile/media_control.sh")
keys = [
    # Closes window.
    Key([MOD], "q", lazy.window.kill(), desc="Kill focused window"),
    # Switch between windows
    Key([MOD], "h", lazy.layout.left(), desc="Move focus to left"),
    Key([MOD], "l", lazy.layout.right(), desc="Move focus to right"),
    Key([MOD], "j", lazy.layout.down(), desc="Move focus down"),
    Key([MOD], "k", lazy.layout.up(), desc="Move focus up"),
    Key([ALT], "Tab", lazy.layout.next(), desc="Move window focus to other window"),
    # Move windows between left/right columns.
    Key([MOD, "shift"], "h", lazy.layout.shuffle_left(), desc="Move window to the left"),
    Key([MOD, "shift"], "l", lazy.layout.shuffle_right(), desc="Move window to the right"),
    Key([MOD, "shift"], "j", lazy.layout.shuffle_down(), desc="Move window down"),
    Key([MOD, "shift"], "k", lazy.layout.shuffle_up(), desc="Move window up"),
    # Grow and shrink windows.
    Key([MOD, "control"], "h", lazy.layout.shrink_main(), desc="Grow window to the left"),
    Key([MOD, "control"], "l", lazy.layout.grow_main(), desc="Grow window to the right"),
    Key([MOD, "control"], "j", lazy.layout.shrink_main(), desc="Grow window down"),
    Key([MOD, "control"], "k", lazy.layout.grow_main(), desc="Grow window up"),
    Key([MOD], "n", lazy.layout.normalize(), desc="Reset all window sizes"),
    # Toggle between different layouts.
    Key([MOD], "Tab", lazy.next_layout(), desc="Toggle between layouts"),
    Key([MOD], "m", lazy.window.toggle_fullscreen(), desc="Toggle maximize state of the window"),
    Key([MOD], "t", lazy.window.toggle_floating(), desc="Toggle floating state of the window"),
    Key([MOD, "shift"], "t", lazy.function(lambda q: toggle_swallow(q.current_window)), desc="Toggle swallow state of the window"),
    # QTile
    Key([MOD, "control"], "r", lazy.restart(), desc="Restart Qtile"),
    Key([MOD, "control"], "q", lazy.shutdown(), desc="Shutdown Qtile"),
    Key([MOD], "slash", lazy.spawn(SHOW_KEYBINDS), desc="Show list of qtile keybinds"),
    # System
    Key([MOD], "BackSpace", lazy.spawn(POWER_MENU), desc="Open power menu"),
    Key([], "Print", lazy.spawn(SCREENSHOT), desc="Take a screenshot of all the screens"),
    Key([MOD], "Print", lazy.spawn(SCREENSHOT_UTILITY), desc="Open screenshot utility"),
    # Media
    Key([], "XF86AudioPlay", lazy.spawn(f"{MEDIA_CONTROL} play"), desc="Media control - play"),
    Key([], "XF86AudioStop", lazy.spawn(f"{MEDIA_CONTROL} stop"), desc="Media control - stop"),
    Key([], "XF86AudioNext", lazy.spawn(f"{MEDIA_CONTROL} next"), desc="Media control - next"),
    Key([], "XF86AudioPrev", lazy.spawn(f"{MEDIA_CONTROL} prev"), desc="Media control - prev"),
    Key([], "XF86AudioRaiseVolume", lazy.spawn(f"{MEDIA_CONTROL} vol_up"), desc="Media control - volume up"),
    Key([], "XF86AudioLowerVolume", lazy.spawn(f"{MEDIA_CONTROL} vol_down"), desc="Media control - volume down"),
    Key([], "XF86AudioMute", lazy.spawn(f"{MEDIA_CONTROL} vol_mute"), desc="Media control - mute volume"),
]

group_names = [
    ("WWW", {"layout": "monadtall"}),
    ("DEV", {"layout": "max"}),
    ("GMG", {"layout": "max"}),
    ("SYS", {"layout": "ratiotile"}),
    ("DOC", {"layout": "monadtall"}),
    ("CHAT", {"layout": "max"}),
    ("MUS", {"layout": "max"}),
    ("VID", {"layout": "monadtall"}),
    ("EDT", {"layout": "max"}),
]

scratch_pads = [
    [
        DropDown("calculator", CALCULATOR, x=0.75, y=0.45, width=0.2, height=0.4, opacity=0.9, on_focus_lost_hide=False),
        [[MOD], "c"]
    ],
    [
        DropDown("filemanager", FILE_MANAGER, x=0.65, y=0.1, width=0.35, height=0.8, opacity=0.9, on_focus_lost_hide=False),
        [[MOD, "control"], "f"]
    ]
]

groups = [Group(name, **kwargs) for name, kwargs in group_names]

for i, (name, kwargs) in enumerate(group_names, 1):
    # Switch to another group
    keys.append(Key([MOD], str(i), lazy.group[name].toscreen(), desc=f"Switch to group {name}"))

    # Send current window to another group
    keys.append(Key([MOD, "shift"], str(i), lazy.window.togroup(name), desc=f"Send current window to group {name}"))

sp_groups = []
sp_keys = []
for sp in scratch_pads:
    sp_groups.append(sp[0])
    sp_keys.append(sp[1])

groups.append(ScratchPad("scratchpad", sp_groups))

for i, (mod, k) in enumerate(sp_keys, 0):
    name = sp_groups[i].name
    keys.append(Key(mod, *k, lazy.group['scratchpad'].dropdown_toggle(name), desc=f"Open {name} scratchpad"))

colors = {
    "background": "#1A1B26",
    "background_highlight": "#24283B",
    "text": "#D4D8EA",
    "accent_color_dark": "#1B294B",
    "accent_color_light": "#495C88",
    "accent_highlight": "#203769",
    "active": "#7AA2F7",
    "inactive": "#565f89",
}

layout_theme = {
    "border_width": 2,
    "margin": 6,
    "border_focus": colors["accent_color_light"],
    "border_normal": colors["background"],
}

layouts = [
    layout.MonadTall(**layout_theme),
    layout.Max(**layout_theme),
    layout.MonadWide(**layout_theme),
    layout.RatioTile(**layout_theme),
]

FONT = "Ubuntu"
widget_defaults = dict(
    font=FONT,
    fontsize=14,
    padding=4,
    background=colors["background"],
    foreground=colors["text"],
)
extension_defaults = widget_defaults.copy()


def generate_bar(left=[], right=[]):
    current_bg_color = colors["background"]
    current_fg_color = colors["text"]

    widgets = []

    def create_sep(width=10):
        widgets.append(
            widget.Sep(
                padding=0,
                size_percent=100,
                linewidth=width,
                foreground=current_bg_color,
            )
        )

    def create_arrow(bg=current_bg_color, fg=current_fg_color):
        widgets.append(
            widget.Sep(
                padding=0,
                size_percent=100,
                linewidth=10,
                background=fg,
                foreground=bg,
            )
        )
        widgets.append(
            widget.TextBox(
                text="", background=bg, foreground=fg, padding=0, fontsize=60
            )
        )

    create_sep(4)

    for w in left:
        widgets.append(w)

    create_sep(4)

    is_even = True
    is_first_widget = True
    for g in right:
        if is_even:
            current_bg_color = colors["accent_color_dark"]
            is_even = False
        else:
            current_bg_color = colors["accent_color_light"]
            is_even = True

        if is_first_widget:
            create_arrow(colors["background"], colors["accent_color_dark"])

            is_first_widget = False
        else:
            create_arrow(
                colors["accent_color_dark"]
                if is_even
                else colors["accent_color_light"],
                colors["accent_color_light"]
                if is_even
                else colors["accent_color_dark"],
            )

        for w in g:
            w.background = current_bg_color
            w.foreground = current_fg_color
            widgets.append(w)

    create_sep()

    return widgets


def group_box():
    return widget.GroupBox(
        disable_drag=True,
        use_mouse_wheel=False,
        font=FONT + " Bold",
        fontsize=10,
        margin_y=6,
        margin_x=0,
        padding=5,
        borderwidth=3,
        highlight_method="line",
        rounded=False,
        active=colors["active"],
        inactive=colors["text"],
        highlight_color=colors["background_highlight"],
        this_current_screen_border=colors["active"],
        this_screen_border=colors["accent_highlight"],
        other_current_screen_border=colors["active"],
        other_screen_border=colors["accent_highlight"],
        foreground=colors["text"],
        background=colors["background"],
    )


def main_bar():
    return generate_bar(
        left=[
            group_box(),
            widget.Sep(
                linewidth=8,
                background=colors["background"],
                foreground=colors["background"],
            ),
            widget.WindowName(),
            widget.Systray(padding=10),
        ],
        right=[
            [
                widget.TextBox(text="⟳", fontsize=18),
                widget.CheckUpdates(
                    distro="Arch", custom_command="checkupdates", display_format="{updates} Updates"
                ),
            ],
            [
                widget.CurrentLayoutIcon(scale=0.75),
                widget.CurrentLayout(),
            ],
            [
                widget.Memory(format='Memory {MemPercent}%'),
            ],
            [
                widget.TextBox(
                    text="Volume:",
                    mouse_callbacks={
                        "Button1": lambda: qtile.cmd_spawn(
                            "amixer -q -D pulse sset Master toggle"
                        )
                    },
                ),
                widget.Volume(mute_command="amixer -q -D pulse sset Master toggle"),
            ],
            [
                widget.Clock(
                    format="%d / %m / %y",
                    mouse_callbacks={"Button1": lambda: qtile.cmd_spawn(CALENDAR)},
                ),
                widget.Clock(format="%I:%M %p", font=FONT + " Bold"),
            ],
            [
                widget.TextBox(
                    text="⏻",
                    fontsize=22,
                    mouse_callbacks={"Button1": lambda: qtile.cmd_spawn(POWER_MENU)},
                ),
            ],
        ],
    )


def aux_bar():
    return generate_bar(
        left=[
            widget.CurrentLayoutIcon(scale=0.65),
            group_box(),
            widget.Sep(
                linewidth=8,
                background=colors["background"],
                foreground=colors["background"],
            ),
            widget.WindowName(),
            widget.Memory(format='Memory {MemPercent}%'),
            widget.ThermalSensor(fmt='Temp: {}'),
            widget.CPU(format='CPU {load_percent}%'),
            widget.Sep(
                linewidth=8,
                background=colors["background"],
                foreground=colors["background"],
            ),
            widget.Clock(
                format="%d / %m / %y",
                mouse_callbacks={"Button1": lambda: qtile.cmd_spawn(CALENDAR)},
            ),
            widget.Clock(format="%I:%M %p", font=FONT + " Bold"),
        ]
    )


screens = [
    Screen(top=bar.Bar(main_bar(), 28)),
    Screen(top=bar.Bar(aux_bar(), 28)),
]

# Drag floating layouts.
mouse = [
    Drag(
        [MOD],
        "Button1",
        lazy.window.set_position_floating(),
        start=lazy.window.get_position(),
    ),
    Drag(
        [MOD], "Button3", lazy.window.set_size_floating(), start=lazy.window.get_size()
    ),
    Click([MOD], "Button2", lazy.window.bring_to_front()),
]

dgroups_key_binder = None
dgroups_app_rules = []  # type: List
follow_mouse_focus = True
bring_front_click = False
cursor_warp = False

floating_layout = layout.Floating(
    **layout_theme,
    float_rules=[
        # Run the utility of `xprop` to see the wm class and name of an X client.
        *layout.Floating.default_float_rules,
        Match(wm_class="confirmreset"),  # gitk
        Match(wm_class="makebranch"),  # gitk
        Match(wm_class="maketag"),  # gitk
        Match(wm_class="ssh-askpass"),  # ssh-askpass
        Match(title="branchdialog"),  # gitk
        Match(wm_class="pinentry-gtk-2"),  # GPG key password entry
        Match(wm_class="gnome-calculator"),  # Calculator
        Match(wm_class="bitwarden"),  # Bitwarden
        Match(wm_class="pavucontrol"),  # Audio mixer
        Match(wm_class="gnome-calendar"),  # Calendar
        Match(wm_class="yad"),  # Yad
        Match(title="Krita - Edit Text — Krita"),  # Keybinds window
        Match(title="Keybinds"),  # Keybinds window
    ]
)

# Exceptions rules to disable floating in default config
@hook.subscribe.client_new
def disable_floating(window):
    rules = [
        Match(wm_class="mpv")
    ]

    if any(window.match(rule) for rule in rules):
        window.togroup(qtile.current_group.name)
        window.cmd_disable_floating()

auto_fullscreen = True
focus_on_window_activation = "smart"
reconfigure_screens = True

# If things like steam games want to auto-minimize themselves when losing
# focus, should we respect this or not?
auto_minimize = True


@hook.subscribe.startup_once
def autostart():
    autostart_script = os.path.expanduser("~/.config/qtile/autostart.sh")
    subprocess.call([autostart_script])

@hook.subscribe.restart
def restart_hook():
    os.system(os.path.expanduser("~/.config/qtile/on_restart.sh"))


@hook.subscribe.client_new
def try_swallow(window):
    swallow_from=[
        Match(wm_class="Alacritty"),
    ]

    not_swallow=[]

    if any(window.match(rule) for rule in not_swallow):
        return

    if hasattr(window, 'parent'):
        swallow(window, window.parent)
        return

    pid = window.window.get_net_wm_pid()                                                       # Window PID
    ppid = psutil.Process(pid).ppid()                                                          # Parent Window PID
    cpids = {c.window.get_net_wm_pid(): wid for wid, c in window.qtile.windows_map.items()}    # All Windows PIDs
    for _ in range(len(cpids)):
        if not ppid:
            return
        if ppid in cpids:
            parent = window.qtile.windows_map.get(cpids[ppid])
            if not any(parent.match(rule) for rule in swallow_from):
                return

            swallow(window, parent)
            return
        ppid = psutil.Process(ppid).ppid()


def swallow(window, parent):
    parent.minimized = True
    window.parent = parent

@hook.subscribe.client_killed
def try_unswallow(window):
    if hasattr(window, 'parent'):
        unswallow(window.parent)

def unswallow(parent):
    parent.minimized = False

def toggle_swallow(window):
    if hasattr(window, 'parent'):
        if window.parent.minimized:
            unswallow(window.parent)
        else:
            swallow(window, window.parent)

@hook.subscribe.client_new
def try_regroup_window(client):
    time.sleep(0.01)
    apps_wm_class = {
        "google-chrome": "WWW",
        "Navigator": "WWW",
        "code": "DEV",
        "Steam": "GMG",
        "heroic": "GMG",
        "lutris": "GMG",
        "nitrogen": "SYS",
        "VirtualBox Manager": "SYS",
        "virt-manager": "SYS",
        "baobab": "SYS",
        "gnome-disks": "SYS",
        "gedit": "DOC",
        "discord": "CHAT",
        "microsoft teams - preview": "CHAT",
        "spotify": "MUS",
        "obs": "VID",
        "ghb": "VID",
        "resolve": "EDT",
        "audacity": "EDT",
        "krita": "EDT",
        "mypaint": "EDT",
    }

    # Notion for class is notion-nativefier-xxxx for example
    apps_wm_class_incomplete = {
        "notion": "DOC",
        "todoist": "DOC",
    }

    wm_class = client.window.get_wm_class()[0]
    group = apps_wm_class.get(wm_class, None)
    if group:
        client.togroup(group, switch_group=True)
    else:
        for key in apps_wm_class_incomplete:
            if key in wm_class:
                client.togroup(apps_wm_class_incomplete[key], switch_group=True)


# XXX: Gasp! We're lying here. In fact, nobody really uses or cares about this
# string besides java UI toolkits; you can see several discussions on the
# mailing lists, GitHub issues, and other WM documentation that suggest setting
# this string if your java app doesn't work correctly. We may as well just lie
# and say that we're a working one by default.
#
# We choose LG3D to maximize irony: it is a 3D non-reparenting WM written in
# java that happens to be on java's whitelist.
wmname = "LG3D"