# main_window.py
#
# Change the look of Adwaita, with ease
# Copyright (C) 2022-2023, Gradience Team
#
# 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 program 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 .
from enum import Enum
from gi.repository import Gtk, Adw, Gio
from gradience.backend.constants import rootdir, app_id, build_type
from gradience.frontend.widgets.shell_theming_group import GradienceShellThemingGroup
from gradience.frontend.widgets.monet_theming_group import GradienceMonetThemingGroup
from gradience.frontend.widgets.palette_shades import GradiencePaletteShades
from gradience.frontend.widgets.error_list_row import GradienceErrorListRow
from gradience.frontend.widgets.option_row import GradienceOptionRow
from gradience.frontend.widgets.theming_empty_group import GradienceEmptyThemingGroup
from gradience.frontend.schemas.preset_schema import preset_schema
from gradience.backend.logger import Logger
logging = Logger()
@Gtk.Template(resource_path=f"{rootdir}/ui/window.ui")
class GradienceMainWindow(Adw.ApplicationWindow):
__gtype_name__ = "GradienceMainWindow"
content_colors = Gtk.Template.Child("content-colors")
content_theming = Gtk.Template.Child("content-theming")
content_plugins = Gtk.Template.Child("content-plugins")
view_stack = Gtk.Template.Child()
toast_overlay = Gtk.Template.Child()
save_preset_button = Gtk.Template.Child("save-preset-button")
errors_button = Gtk.Template.Child("errors-button")
errors_list = Gtk.Template.Child("errors-list")
presets_dropdown = Gtk.Template.Child("presets-dropdown")
presets_menu = Gtk.Template.Child("presets-menu")
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.app = Gtk.Application.get_default()
self.settings = Gio.Settings(app_id)
self.style_manager = self.app.style_manager
self.monet_image_file = None
self.enabled_theme_engines = set(
self.settings.get_value("enabled-theme-engines").unpack()
)
self.setup_signals()
self.setup()
def setup_signals(self):
self.presets_dropdown.get_popover().connect("show",
self.on_presets_dropdown_activate)
self.connect("close-request",
self.on_close_request)
self.connect("unrealize",
self.save_window_props)
def switch_to_colors_page(self, *args):
self.view_stack.set_visible_child_name("colors")
def switch_to_theming_page(self, *args):
self.view_stack.set_visible_child_name("theming")
def switch_to_advanced_page(self, *args):
self.view_stack.set_visible_child_name("plugins")
def setup(self):
# Set devel style
if build_type == "debug":
self.get_style_context().add_class("devel")
self.setup_theming_page()
self.setup_colors_group()
# TODO: Check if org.freedesktop.portal.Settings portal will allow us to \
# read org.gnome.desktop.background DConf key
# FIXME: Find purpose for this snippet
'''def get_default_wallpaper(self):
background_settings = Gio.Settings("org.gnome.desktop.background")
if self.style_manager.get_dark():
picture_uri = background_settings.get_string("picture-uri-dark")
else:
picture_uri = background_settings.get_string("picture-uri")
logging.debug(picture_uri)
if picture_uri.startswith("file://"):
self.monet_image_file = Gio.File.new_for_uri(picture_uri)
else:
self.monet_image_file = Gio.File.new_for_path(picture_uri)
image_basename = self.monet_image_file.get_basename()
logging.debug(image_basename)
self.monet_image_file = self.monet_image_file.get_path()
#self.monet_file_chooser_button.set_label(image_basename)
#self.monet_file_chooser_button.set_tooltip_text(self.monet_image_file)
logging.debug(self.monet_image_file)
# self.on_apply_button_clicked() # Comment out for now, because it always shows
# that annoying toast on startup'''
def on_close_request(self, *args):
if self.app.is_dirty:
logging.debug("Window close request")
self.app.show_unsaved_dialog()
return True
self.close()
def save_window_props(self, *args):
win_size = self.get_default_size()
self.settings.set_int("window-width", win_size.width)
self.settings.set_int("window-height", win_size.height)
self.settings.set_boolean("window-maximized", self.is_maximized())
self.settings.set_boolean("window-fullscreen", self.is_fullscreen())
def setup_theming_page(self):
# TODO: Show fallback page if no theme engines are enabled
no_engines_label = Gtk.Label.new("No Theme Engines enabled")
self.setup_empty_page()
self.setup_shell_group()
self.setup_monet_group()
def setup_empty_page(self):
self.empty_page = GradienceEmptyThemingGroup(self)
if not self.enabled_theme_engines:
self.content_theming.add(self.empty_page)
def setup_shell_group(self):
self.shell_group = GradienceShellThemingGroup(self)
if "shell" in self.enabled_theme_engines:
self.content_theming.add(self.shell_group)
def setup_monet_group(self):
self.monet_group = GradienceMonetThemingGroup(self)
if "monet" in self.enabled_theme_engines:
self.content_theming.add(self.monet_group)
def reload_theming_page(self):
if self.shell_group.is_ancestor(self.content_theming):
self.content_theming.remove(self.shell_group)
if self.monet_group.is_ancestor(self.content_theming):
self.content_theming.remove(self.monet_group)
if self.empty_page.is_ancestor(self.content_theming):
self.content_theming.remove(self.empty_page)
self.setup_shell_group()
self.setup_monet_group()
self.setup_empty_page()
def setup_colors_group(self):
for group in preset_schema["groups"]:
pref_group = Adw.PreferencesGroup()
pref_group.set_name(group["name"])
pref_group.set_title(group["title"])
pref_group.set_description(group["description"])
for variable in group["variables"]:
pref_variable = GradienceOptionRow(
variable["name"],
variable["title"],
variable.get("explanation"),
variable["adw_gtk3_support"],
)
pref_group.add(pref_variable)
pref_variable.connect_signals(update_vars=True)
self.app.pref_variables[variable["name"]] = pref_variable
self.content_colors.add(pref_group)
palette_pref_group = Adw.PreferencesGroup()
palette_pref_group.set_name("palette_colors")
palette_pref_group.set_title(_("Palette Colors"))
palette_pref_group.set_description(
_(
"Named palette colors used by some applications. Default "
"colors follow the "
''
"GNOME Human Interface Guidelines."
)
)
for color in preset_schema["palette"]:
palette_shades = GradiencePaletteShades(
color["prefix"], color["title"], color["n_shades"]
)
palette_pref_group.add(palette_shades)
self.app.pref_palette_shades[color["prefix"]] = palette_shades
self.content_colors.add(palette_pref_group)
def update_errors(self, errors):
child = self.errors_list.get_row_at_index(0)
while child is not None:
self.errors_list.remove(child)
child = self.errors_list.get_row_at_index(0)
self.errors_button.set_visible(len(errors) > 0)
for error in errors:
self.errors_list.append(
GradienceErrorListRow(error["error"], error["element"], error["line"])
)
def on_presets_dropdown_activate(self, *args):
self.app.reload_user_defined_presets()