tuhi/tuhi-gui.in

#!/usr/bin/env python3

import gi
import sys
import os
from pathlib import Path

try:
    # 3.30 is the first one with Gtk.Template
    gi.check_version('3.30') # NOQA
except ValueError as e:
    print(e, file=sys.stderr)
    sys.exit(1)

gi.require_version('Gio', '2.0')  # NOQA
gi.require_version('Gtk', '3.0')  # NOQA
from gi.repository import Gio, Gtk, Gdk


@devel@  # NOQA
resource = Gio.resource_load(os.fspath(Path('@pkgdatadir@', 'tuhi.gresource')))
Gio.Resource._register(resource)


def install_excepthook():
    old_hook = sys.excepthook

    def new_hook(etype, evalue, etb):
        old_hook(etype, evalue, etb)
        while Gtk.main_level():
            Gtk.main_quit()
        sys.exit()
    sys.excepthook = new_hook


def gtk_style():
    css = b"""
    flowboxchild:selected {
      background-color: white;
    }
    .bg-white {
      background-color: white;
    }
    .bg-paper {
      border-radius: 5px;
      background-color: #ebe9e8;
    }
    .drawing {
      background-color: white;
      border-radius: 5px;
    }
    """

    screen = Gdk.Screen.get_default()
    if screen is None:
        print('Error: Unable to connect to screen. Make sure DISPLAY or WAYLAND_DISPLAY are set', file=sys.stderr)
        sys.exit(1)
    style_provider = Gtk.CssProvider()
    style_provider.load_from_data(css)
    Gtk.StyleContext.add_provider_for_screen(
            screen,
            style_provider,
            Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
            )


if __name__ == "__main__":
    import gettext
    import locale
    import signal
    from tuhi.gui.application import Application

    install_excepthook()
    gtk_style()

    locale.bindtextdomain('tuhi', '@localedir@')
    locale.textdomain('tuhi')
    gettext.bindtextdomain('tuhi', '@localedir@')
    gettext.textdomain('tuhi')
    signal.signal(signal.SIGINT, signal.SIG_DFL)
    exit_status = Application().run(sys.argv)
    sys.exit(exit_status)