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#!/usr/bin/python3
# utils.py
#
# Copyright:
# Copyright (C) 2024-2025 Bernd Schumacher <bernd@bschu.de>
#
# License: GPL-3.0+
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# .
# This package is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# .
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Comment:
# On Debian systems, the complete text of the GNU General
# Public License version 3 can be found in
# "/usr/share/common-licenses/GPL-3".
""" utils """
import sys
import gi
try:
gi.require_version('Gtk', '4.0')
gi.require_version(namespace='Adw', version='1')
from gi.repository import Gio
except (ImportError, ValueError) as exc:
print('Error: Dependencies not met.', exc)
sys.exit(1)
def widget_info(widget, level=1):
""" widget_info
>>> from gi.repository import Gtk
>>> box=Gtk.Box()
>>> label=Gtk.Label(label="mylabel")
>>> box.append(label)
>>> print(widget_info(box))
- <GtkBox>
-- <GtkLabel> label=<mylabel>
"""
ret = ""
if widget:
indent = "-"*level
txt = widget.get_name()
ret = f"{ret}{indent} <{txt}>"
blp_id = widget.get_buildable_id() # id defined in *.blp or *.ui
if blp_id:
ret = f"{ret} id=<{blp_id}>"
if txt == "GtkLabel":
label = widget.get_label()
if label:
ret = f"{ret} label=<{label}>"
if widget:
widget = widget.get_first_child()
while widget:
ret = f"{ret}\n{widget_info(widget, level+1)}"
widget = widget.get_next_sibling()
return ret
def reduce_window_size(window, x=350, y=600):
""" x """
window.props.default_width = x
window.props.default_height = y
if __name__ == '__main__':
import doctest
doctest.testmod()
def eprint(*args, **kwargs):
""" print on stderr """
print(*args, file=sys.stderr, **kwargs)
def err(msg, retcode=1):
""" print error and exit """
eprint(f"Error: {msg}")
sys.exit(retcode)
def create_action(window_or_application, name, function):
""" create ancd connect action """
action = Gio.SimpleAction.new(name, None)
action.connect("activate", function)
window_or_application.add_action(action)
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