gtk2 lazarus apps hang during their startup on layouts with 0 border_width

[veksha]

Issue description

gtk2 lazarus apps hang during their startup on layouts with 0 border_width.

1. set qtile layout to one which has border_width=0 (max, treetab,zoomy)
2. run gtk2 lazarus app (like DoubleCommander or CudaText)
3. empty window appears and app hangs for some time (with picom it's even longer)

i assume that lazarus apps can spawn some "hidden" window before main window (for some purpose, maybe for achieving single-instance mode or something..)
maybe qtile thinks that this "hidden" window is a main window app?

and i don't know why it works OK when i set border_width=1 for a layout.

Version

0.23.0

Backend

X11 (default)

Config

from libqtile import bar, layout, widget
from libqtile.config import Click, Drag, Group, Key, Match, Screen
from libqtile.lazy import lazy
from libqtile.utils import guess_terminal
from libqtile.log_utils import logger

import logging
#logger.setLevel(logging.DEBUG)

mod = "mod4"
alt = "mod1"
terminal = guess_terminal()

def reread_settings(qtile):
    qtile.restart()

keys = [
    Key([mod, "shift"], "r", lazy.function(reread_settings)),
    # A list of available commands that can be bound to keys can be found
    # at https://docs.qtile.org/en/latest/manual/config/lazy.html
    # 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([mod], "space", lazy.layout.next(), desc="Move window focus to other window"),
    # Move windows between left/right columns or move up/down in current stack.
    # Moving out of range in Columns layout will create new column.
    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 windows. If current window is on the edge of screen and direction
    # will be to screen edge - window would shrink.
    Key([mod, "control"], "h", lazy.layout.grow_left(), lazy.layout.grow(), desc="Grow window to the left"),
    Key([mod, "control"], "l", lazy.layout.grow_right(), desc="Grow window to the right"),
    Key([mod, "control"], "j", lazy.layout.grow_down(), desc="Grow window down"),
    Key([mod, "control"], "k", lazy.layout.grow_up(), desc="Grow window up"),
    Key([mod], "n", lazy.layout.normalize(), desc="Reset all window sizes"),
    # Toggle between split and unsplit sides of stack.
    # Split = all windows displayed
    # Unsplit = 1 window displayed, like Max layout, but still with
    # multiple stack panes

    Key(
        [mod, "shift"],
        "Return",
        lazy.layout.toggle_split(),
        desc="Toggle between split and unsplit sides of stack",
    ),
    Key([mod], "Return", lazy.spawn(terminal), desc="Launch terminal"),
    # Toggle between different layouts as defined below
    Key([mod], "Tab", lazy.next_layout(), desc="Toggle between layouts"),
    Key([mod, "shift"], "Tab", lazy.prev_layout(), desc="Toggle between layouts"),
    
    Key([mod], "w", lazy.window.kill(), desc="Kill focused window"),
    
    Key([mod, "control"], "r", lazy.reload_config(), desc="Reload the config"),
    Key([mod, "control"], "q", lazy.shutdown(), desc="Shutdown Qtile"),
    #Key([mod], "r", lazy.spawncmd(), desc="Spawn a command using a prompt widget"),
    
    # windows style alt-tab/alt-shift-tab
    Key([alt], "Tab", lazy.layout.next()),
    Key([alt, "shift"], "Tab", lazy.layout.previous()),
    Key([mod], "t", lazy.window.toggle_floating(), desc='Toggle floating'),
    Key(["control", alt], "g", lazy.spawn('exo-open http://github.com'), desc="Launch github"),
    Key([mod], "g", lazy.spawn('brave-browser-stable --new-window http://github.com'), desc="Launch github in a new window"),
    Key(["control", alt], "m", lazy.spawn('xfce4-terminal -e mc'), desc="Launch mc"),
    Key(["control", alt, "shift"], "m", lazy.spawn('xfce4-terminal -e "pkexec mc"'), desc="Launch mc"),
    
]

groups = [Group(i) for i in "123"]

for i in groups:
    keys.extend(
        [
            # mod1 + letter of group = switch to group
            Key(
                [mod],
                i.name,
                lazy.group[i.name].toscreen(),
                desc="Switch to group {}".format(i.name),
            ),
            # mod1 + shift + letter of group = switch to & move focused window to group
            Key(
                [mod, "shift"],
                i.name,
                lazy.window.togroup(i.name, switch_group=True),
                desc="Switch to & move focused window to group {}".format(i.name),
            ),
            # Or, use below if you prefer not to switch to that group.
            # # mod1 + shift + letter of group = move focused window to group
            # Key([mod, "shift"], i.name, lazy.window.togroup(i.name),
            #     desc="move focused window to group {}".format(i.name)),
        ]
    )

layouts = [
    layout.VerticalTile(),
    #layout.Columns(border_focus_stack=["#d75f5f", "#8f3d3d"]),
    layout.Max(),
    # Try more layouts by unleashing below layouts.
    #layout.Stack(num_stacks=2),
    #layout.Bsp(),
    #layout.Matrix(),
    #layout.MonadTall(),
    #layout.MonadWide(),
    #layout.RatioTile(),
    layout.Tile(),
    #layout.TreeTab(),
    #layout.Zoomy(),
]

widget_defaults = dict(
    font="sans",
    fontsize=15,
    padding=3,
)
extension_defaults = widget_defaults.copy()

topbar = bar.Bar(
    [
        widget.CurrentLayout(),
        widget.GroupBox(highlight_method='line'),
        widget.Prompt(),
        widget.TaskList(highlight_method='block', rounded=False,spacing=15,padding_y=5),
        #widget.WindowName(),
        widget.Chord(
            chords_colors={
                "launch": ("#ff0000", "#ffffff"),
            },
            name_transform=lambda name: name.upper(),
        ),
        #widget.TextBox("My config", name="default"),
        #widget.TextBox("Press <super-r> to spawn", foreground="#d75f5f"),
        widget.Systray(),
        #widget.Wlan(),
        widget.Clock(format="%Y-%m-%d %a %I:%M %p"),
        widget.QuickExit(foreground='666666', default_text='out',countdown_format=" {}"),
        widget.TextBox("X", mouse_callbacks={"Button1": lazy.window.kill()})
    ],
    32,
    #border_width=[2, 0, 2, 0],  # Draw top and bottom borders
    #border_color=["ff00ff", "000000", "ff00ff", "000000"]  # Borders are magenta
)

screens = [
    Screen(
        top=topbar,
    ),
]

# 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 = False
bring_front_click = True
cursor_warp = False
floating_layout = layout.Floating(
    border_width=0,
    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(title="pinentry"),  # GPG key password entry
        
        
        #Match(func=lambda c: logger.warning("LOG->"+c.name)),
        # lazarus Splash screen / main IDE window
        Match(func=lambda c: 'Lazarus' in c.name),
        Match(func=lambda c: 'MainIDE' in c.name),
        
        #The following ``Match`` will float all windows
        #Match(func=lambda c: True)
    ]
)
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

# When using the Wayland backend, this can be used to configure input devices.
wl_input_rules = None

# 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"


import os
import subprocess

from libqtile import hook

@hook.subscribe.startup_once
def autostart(*args, **kwargs):
    home = os.path.expanduser('~/.config/qtile/autostart.sh')
    subprocess.Popen([home])
    
@hook.subscribe.client_new
def _(window):
    #logger.warning("window="+str(window))
    
    floating = ('Tooltip','BreadCrumbs')
    for s in floating:
        if s in window.name:
            window.floating = True
    
    wnd = subprocess.run(["sh", "-c", "xdotool getmouselocation | cut -d: -f5"], capture_output=True, text=True).stdout.strip()
    isfullscreen = subprocess.run(["sh", "-c", f"xprop -id {wnd} | grep FULLSCREEN"], capture_output=True, text=True).stdout.strip()
    if isfullscreen:
        subprocess.run(["xdotool", "key", "Escape", "--window", wnd])

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