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727 lines
25 KiB
Python
727 lines
25 KiB
Python
# main.py
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#
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# Change the look of Adwaita, with ease
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# Copyright (C) 2022-2023, Gradience Team
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import os
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import sys
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import threading
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from pathlib import Path
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from material_color_utilities_python import hexFromArgb
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from gi.repository import Gtk, Gdk, Gio, Adw, GLib, Xdp, XdpGtk4
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from gradience.backend.globals import presets_dir, get_gtk_theme_dir
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from gradience.backend.css_parser import parse_css
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from gradience.backend.models.preset import Preset
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from gradience.backend.theming.preset_utils import PresetUtils
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from gradience.backend.utils.common import to_slug_case
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from gradience.backend.constants import rootdir, app_id, rel_ver
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from gradience.frontend.views.main_window import GradienceMainWindow
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from gradience.frontend.views.plugins_list import GradiencePluginsList
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from gradience.frontend.views.about_window import GradienceAboutWindow
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from gradience.frontend.views.welcome_window import GradienceWelcomeWindow
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from gradience.frontend.views.presets_manager_window import GradiencePresetWindow
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from gradience.frontend.views.preferences_window import GradiencePreferencesWindow
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from gradience.frontend.dialogs.app_type_dialog import GradienceAppTypeDialog
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from gradience.frontend.dialogs.log_out_dialog import GradienceLogOutDialog
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from gradience.frontend.dialogs.save_dialog import GradienceSaveDialog
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from gradience.frontend.widgets.custom_css_group import GradienceCustomCSSGroup
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from gradience.frontend.utils.actions import ActionHelpers
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from gradience.frontend.settings_schema import settings_schema
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from gradience.backend.logger import Logger
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logging = Logger()
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class GradienceApplication(Adw.Application):
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"""The main application singleton class."""
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__gtype_name__ = "GradienceApplication"
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settings = Gio.Settings.new(app_id)
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portal = Xdp.Portal()
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def __init__(self):
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super().__init__(
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application_id=app_id,
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flags=Gio.ApplicationFlags.FLAGS_NONE
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)
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self.set_resource_base_path(rootdir)
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self.preset: Preset = None
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self.preset_name = ""
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self.variables = {}
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self.pref_variables = {}
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self.palette = {}
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self.pref_palette_shades = {}
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self.custom_css = {}
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self.custom_css_group = None
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self.custom_presets = {}
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self.global_errors = []
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self.current_css_provider = None
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self.is_dirty = False
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self.is_ready = False
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self.first_run = self.settings.get_boolean("first-run")
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self.last_opened_version = self.settings.get_string(
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"last-opened-version"
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)
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self.favourite = set(self.settings.get_value("favourite"))
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self.style_manager = Adw.StyleManager.get_default()
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def do_activate(self):
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"""Called when the application is activated."""
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self.win = self.props.active_window
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if not self.win:
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self.win = GradienceMainWindow(
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application=self,
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default_height=self.settings.get_int("window-height"),
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default_width=self.settings.get_int("window-width"),
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fullscreened=self.settings.get_boolean("window-fullscreen"),
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maximized=self.settings.get_boolean("window-maximized")
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)
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self.plugins_list = GradiencePluginsList(self.win)
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self.setup_plugins()
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self.actions = ActionHelpers(self)
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self.actions.create_stateful_action(
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"load_preset",
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GLib.VariantType.new("s"),
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GLib.Variant("s", "adwaita"),
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self.load_preset_action
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)
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self.actions.create_action("open_preset_directory",
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self.open_preset_directory)
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self.actions.create_action("apply_color_scheme",
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self.show_apply_color_scheme_dialog)
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self.actions.create_action("restore_color_scheme",
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self.show_restore_color_scheme_dialog)
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self.actions.create_action("manage_presets",
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self.show_presets_manager)
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self.actions.create_action("reset_color_scheme",
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self.show_reset_color_scheme_dialog)
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self.actions.create_action("preferences",
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self.show_preferences)
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self.actions.create_action("save_preset",
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self.show_save_preset_dialog)
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self.actions.create_action("about",
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self.show_about_window)
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self.load_preset_from_css()
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self.reload_user_defined_presets()
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if self.first_run:
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welcome = GradienceWelcomeWindow(self.win)
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welcome.present()
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else:
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if rel_ver != self.last_opened_version:
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welcome = GradienceWelcomeWindow(self.win, update=True)
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welcome.present()
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else:
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logging.debug("normal run")
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self.win.present()
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def save_favourite(self):
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self.settings.set_value(
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"favourite", GLib.Variant("as", self.favourite))
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def reload_user_defined_presets(self):
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if self.props.active_window.presets_menu.get_n_items() > 1:
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self.props.active_window.presets_menu.remove(1)
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if not os.path.exists(presets_dir):
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os.makedirs(presets_dir)
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self.custom_presets = {"user": {}}
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for repo in Path(presets_dir).iterdir():
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logging.debug(f"presets_dir.iterdir: {repo}")
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try:
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presets_list = PresetUtils().get_presets_list(repo)
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except (OSError, KeyError, AttributeError):
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logging.error("Failed to retrieve a list of presets.")
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self.toast_overlay.add_toast(
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Adw.Toast(title=_("Failed to load list of presets"))
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)
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else:
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self.custom_presets[repo.name] = presets_list
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custom_menu_section = Gio.Menu()
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try:
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is_custom_presets = (
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self.custom_presets["user"]
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or self.custom_presets["curated"]
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or self.custom_presets["official"]
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)
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if (is_custom_presets):
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for repo, content in self.custom_presets.items():
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for preset, preset_name in content.items():
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logging.debug(preset_name)
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if preset_name in self.favourite:
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menu_item = Gio.MenuItem()
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menu_item.set_label(preset_name)
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if not preset.startswith("error"):
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menu_item.set_action_and_target_value(
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"app.load_preset",
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GLib.Variant("s", "custom-" + preset))
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else:
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menu_item.set_action_and_target_value("")
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custom_menu_section.append_item(menu_item)
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else:
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menu_item = Gio.MenuItem()
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menu_item.set_label(_("No presets found"))
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custom_menu_section.append_item(menu_item)
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except KeyError:
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if not os.path.exists(os.path.join(presets_dir, "user")):
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os.makedirs(os.path.join(presets_dir, "user"))
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if not os.path.exists(os.path.join(presets_dir, "curated")):
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os.makedirs(os.path.join(presets_dir, "curated"))
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if not os.path.exists(os.path.join(presets_dir, "official")):
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os.makedirs(os.path.join(presets_dir, "official"))
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open_in_file_manager_item = Gio.MenuItem()
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open_in_file_manager_item.set_label(_("Open in File Manager"))
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open_in_file_manager_item.set_action_and_target_value(
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"app.open_preset_directory"
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)
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# custom_menu_section.append_item(open_in_file_manager_item)
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self.props.active_window.presets_menu.append_section(
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_("Favorite Presets"), custom_menu_section
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)
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def show_presets_manager(self, *_args):
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presets = GradiencePresetWindow(self.win)
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presets.present()
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add_rows_thread = threading.Thread(target=presets.add_explore_rows)
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add_rows_thread.start()
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def load_preset_from_css(self):
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try:
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variables, palette, custom_css = parse_css(
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os.path.join(
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get_gtk_theme_dir("gtk4"),
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"gtk.css"
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)
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)
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logging.debug(f"Loaded custom CSS variables: {variables}")
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preset = {
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"name": "Preset Name",
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"variables": variables,
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"palette": palette,
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"custom_css": {
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"gtk4": custom_css,
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"gtk3": ""
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}
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}
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self.preset = Preset().new_from_dict(preset)
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self.load_preset_variables_from_preset()
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except OSError: # fallback to adwaita
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logging.warning("Custom preset not found. Fallback to Adwaita")
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if self.style_manager.get_dark():
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self.load_preset_from_resource(
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f"{rootdir}/presets/adwaita-dark.json")
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else:
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self.load_preset_from_resource(
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f"{rootdir}/presets/adwaita.json")
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def open_preset_directory(self, *_args):
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parent = XdpGtk4.parent_new_gtk(self.props.active_window)
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def open_dir_callback(_, result):
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self.portal.open_uri_finish(result)
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self.portal.open_uri(
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parent,
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f"file://{presets_dir}",
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Xdp.OpenUriFlags.NONE,
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None,
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open_dir_callback,
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)
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def load_preset_from_file(self, preset_path):
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logging.debug(f"load preset from file {preset_path}")
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self.preset = Preset().new_from_path(preset_path)
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self.load_preset_variables_from_preset()
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def load_preset_from_resource(self, preset_path):
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preset_text = Gio.resources_lookup_data(
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preset_path, 0).get_data().decode()
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self.preset = Preset().new_from_resource(text=preset_text)
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self.load_preset_variables_from_preset()
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def load_preset_variables_from_preset(self, preset=None):
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if preset is not None:
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self.preset = preset
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self.is_ready = False
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logging.debug(self.preset)
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self.preset_name = self.preset.display_name
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self.variables = self.preset.variables
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self.palette = self.preset.palette
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self.custom_css = self.preset.custom_css
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for key in self.variables.keys():
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if key in self.pref_variables:
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self.pref_variables[key].update_value(self.variables[key])
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for key in self.palette.keys():
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if key in self.pref_palette_shades:
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self.pref_palette_shades[key].update_shades(self.palette[key])
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self.custom_css_group.load_custom_css(self.custom_css)
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self.clear_dirty()
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self.reload_variables()
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def load_preset_variables(self, preset):
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self.is_ready = False
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self.preset_name = preset["name"]
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self.variables = preset["variables"]
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self.palette = preset["palette"]
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if "custom_css" in preset:
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self.custom_css = preset["custom_css"]
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else:
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for app_type in settings_schema["custom_css_app_types"]:
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self.custom_css[app_type] = ""
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for key in self.variables.keys():
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if key in self.pref_variables:
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self.pref_variables[key].update_value(self.variables[key])
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for key in self.palette.keys():
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if key in self.pref_palette_shades:
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self.pref_palette_shades[key].update_shades(self.palette[key])
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self.custom_css_group.load_custom_css(self.custom_css)
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self.clear_dirty()
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self.reload_variables()
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def update_theme_from_monet(self, monet, preset_variant: str, tone=20):
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palettes = monet["palettes"]
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preset_variant = preset_variant.get_string().lower() # dark / light
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palette = {}
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for i, color in zip(range(1, 7), palettes.values()):
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palette[str(i)] = hexFromArgb(color.tone(int(tone)))
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self.pref_palette_shades["monet"].update_shades(palette)
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if preset_variant == "auto":
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if self.style_manager.get_dark():
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preset_variant = "dark"
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else:
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preset_variant = "light"
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try:
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preset_object = PresetUtils().new_preset_from_monet(monet_palette=monet,
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props=[tone, preset_variant], obj_only=True)
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except (OSError, AttributeError) as e:
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logging.error("An error occurred while generating preset from Monet palette.", exc=e)
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raise
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variable = preset_object.variables
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for key in variable:
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if key in self.pref_variables:
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self.pref_variables[key].update_value(variable[key])
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# TODO: Create a whole function deticated to clearing preset and custom CSS
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self.preset_name = "Preset Name"
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self.reload_variables()
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def mark_as_dirty(self):
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self.is_dirty = True
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self.props.active_window.save_preset_button.get_child().set_icon_name(
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"drive-unsaved-symbolic"
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)
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self.props.active_window.save_preset_button.add_css_class("warning")
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self.props.active_window.save_preset_button.get_child().set_tooltip_text(
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_("Unsaved Changes")
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)
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def clear_dirty(self):
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self.is_dirty = False
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self.props.active_window.save_preset_button.get_child().set_icon_name(
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"drive-symbolic"
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)
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self.props.active_window.save_preset_button.remove_css_class("warning")
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self.props.active_window.save_preset_button.get_child().set_label("")
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self.props.active_window.save_preset_button.get_child().set_tooltip_text(
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_("Save Changes")
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)
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def reload_variables(self):
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parsing_errors = []
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gtk_css = PresetUtils().generate_gtk_css("gtk4", self.preset)
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css_provider = Gtk.CssProvider()
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def on_error(_, section, error):
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start_location = section.get_start_location().chars
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end_location = section.get_end_location().chars
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line_number = section.get_end_location().lines
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parsing_errors.append(
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{
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"error": error.message,
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"element": gtk_css[start_location:end_location].strip(),
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"line": gtk_css.splitlines()[line_number]
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if line_number < len(gtk_css.splitlines())
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else "<last line>"
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}
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)
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css_provider.connect("parsing-error", on_error)
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css_provider.load_from_data(gtk_css.encode())
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self.props.active_window.update_errors(
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self.global_errors + parsing_errors)
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# loading with the priority above user to override the applied config
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if self.current_css_provider is not None:
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Gtk.StyleContext.remove_provider_for_display(
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Gdk.Display.get_default(), self.current_css_provider)
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Gtk.StyleContext.add_provider_for_display(
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Gdk.Display.get_default(),
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css_provider,
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Gtk.STYLE_PROVIDER_PRIORITY_USER + 1
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)
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self.current_css_provider = css_provider
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self.is_ready = True
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def load_preset_action(self, _unused, *args):
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def load_quick_preset():
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if args[0].get_string().startswith("custom-"):
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self.load_preset_from_file(
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os.path.join(
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presets_dir,
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args[0].get_string().replace("custom-", "", 1)
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)
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)
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else:
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self.load_preset_from_resource(
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f"{rootdir}/presets/" + args[0].get_string() + ".json"
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)
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if self.is_dirty:
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dialog, preset_entry = self.construct_unsaved_dialog()
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def on_unsaved_dialog_response(_widget, response, preset_entry):
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if response == "save":
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self.preset.save_to_file(preset_entry.get_text(), self.plugins_list)
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self.clear_dirty()
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load_quick_preset()
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elif response == "discard":
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self.clear_dirty()
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load_quick_preset()
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dialog.connect("response", on_unsaved_dialog_response, preset_entry)
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dialog.present()
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else:
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load_quick_preset()
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Gio.SimpleAction.set_state(self.lookup_action("load_preset"), args[0])
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def show_apply_color_scheme_dialog(self, *_args):
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dialog = GradienceAppTypeDialog(
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self.win,
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_("Apply This Color Scheme?"),
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_(
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"Warning: any custom CSS files for those app types will be "
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"irreversibly overwritten!"
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),
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"apply",
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_("_Apply"),
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Adw.ResponseAppearance.SUGGESTED
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)
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dialog.connect("response", self.apply_color_scheme)
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dialog.present()
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def show_restore_color_scheme_dialog(self, *_args):
|
|
dialog = GradienceAppTypeDialog(
|
|
self.win,
|
|
_("Restore applied color scheme?"),
|
|
_("Make sure you have the current settings saved as a preset."),
|
|
"restore",
|
|
_("_Restore"),
|
|
Adw.ResponseAppearance.DESTRUCTIVE
|
|
)
|
|
|
|
dialog.gtk3_app_type.set_sensitive(False)
|
|
dialog.connect("response", self.restore_color_scheme)
|
|
dialog.present()
|
|
|
|
def show_reset_color_scheme_dialog(self, *_args):
|
|
dialog = GradienceAppTypeDialog(
|
|
self.win,
|
|
_("Reset applied color scheme?"),
|
|
_("Make sure you have the current settings saved as a preset."),
|
|
"reset",
|
|
_("_Reset"),
|
|
Adw.ResponseAppearance.DESTRUCTIVE
|
|
)
|
|
|
|
dialog.connect("response", self.reset_color_scheme)
|
|
dialog.present()
|
|
|
|
def show_save_preset_dialog(self, *_args):
|
|
dialog = GradienceSaveDialog(self.win, path=os.path.join(
|
|
presets_dir,
|
|
"user",
|
|
to_slug_case(self.preset_name) + ".json"
|
|
)
|
|
)
|
|
|
|
preset_entry = dialog.preset_entry
|
|
preset_entry.set_text(self.preset_name)
|
|
|
|
preset_entry.connect("changed", self.on_save_preset_entry_change, dialog, preset_entry)
|
|
dialog.connect("response", self.on_save_dialog_response, preset_entry)
|
|
|
|
dialog.present()
|
|
|
|
def construct_unsaved_dialog(self, *_args):
|
|
dialog = GradienceSaveDialog(
|
|
self.win,
|
|
heading=_("You have unsaved changes!"),
|
|
path=os.path.join(
|
|
presets_dir,
|
|
"user",
|
|
to_slug_case(self.preset_name) + ".json"
|
|
),
|
|
discard=True
|
|
)
|
|
|
|
preset_entry = dialog.preset_entry
|
|
preset_entry.set_text(self.preset_name)
|
|
|
|
preset_entry.connect("changed", self.on_save_preset_entry_change, dialog, preset_entry)
|
|
|
|
return dialog, preset_entry
|
|
|
|
def show_unsaved_dialog(self, *_args):
|
|
dialog, preset_entry = self.construct_unsaved_dialog()
|
|
|
|
dialog.connect("response", self.on_save_dialog_response, preset_entry)
|
|
|
|
dialog.present()
|
|
|
|
def on_save_preset_entry_change(self, _widget, dialog, preset_entry):
|
|
if len(preset_entry.get_text()) == 0:
|
|
dialog.set_body(
|
|
dialog.body.format(
|
|
os.path.join(
|
|
presets_dir,
|
|
"user"
|
|
)
|
|
)
|
|
)
|
|
dialog.set_response_enabled("save", False)
|
|
else:
|
|
dialog.set_body(
|
|
dialog.body.format(
|
|
os.path.join(
|
|
presets_dir,
|
|
"user",
|
|
to_slug_case(preset_entry.get_text()) + ".json"
|
|
)
|
|
)
|
|
)
|
|
dialog.set_response_enabled("save", True)
|
|
|
|
def on_save_dialog_response(self, _widget, response, preset_entry):
|
|
if response == "save":
|
|
self.preset.save_to_file(preset_entry.get_text(), self.plugins_list)
|
|
self.clear_dirty()
|
|
self.win.toast_overlay.add_toast(
|
|
Adw.Toast(title=_("Preset saved")))
|
|
elif response == "discard":
|
|
self.clear_dirty()
|
|
self.win.close()
|
|
|
|
def apply_color_scheme(self, widget, response):
|
|
if response == "apply":
|
|
if widget.get_app_types()["gtk4"]:
|
|
PresetUtils().apply_preset("gtk4", self.preset)
|
|
|
|
if widget.get_app_types()["gtk3"]:
|
|
PresetUtils().apply_preset("gtk3", self.preset)
|
|
|
|
self.reload_plugins()
|
|
self.plugins_list.apply()
|
|
|
|
self.win.toast_overlay.add_toast(
|
|
Adw.Toast(title=_("Preset set successfully"))
|
|
)
|
|
|
|
dialog = GradienceLogOutDialog(self.win)
|
|
dialog.present()
|
|
|
|
def restore_color_scheme(self, widget, response):
|
|
if response == "restore":
|
|
if widget.get_app_types()["gtk4"]:
|
|
try:
|
|
PresetUtils().restore_gtk4_preset()
|
|
except OSError:
|
|
self.win.toast_overlay.add_toast(
|
|
Adw.Toast(title=_("Unable to restore GTK 4 backup"))
|
|
)
|
|
|
|
dialog = GradienceLogOutDialog(self.win)
|
|
dialog.present()
|
|
|
|
def reset_color_scheme(self, widget, response):
|
|
if response == "reset":
|
|
if widget.get_app_types()["gtk4"]:
|
|
try:
|
|
PresetUtils().reset_preset("gtk4")
|
|
except GLib.GError:
|
|
self.win.toast_overlay.add_toast(
|
|
Adw.Toast(title=_("Unable to delete current preset"))
|
|
)
|
|
|
|
if widget.get_app_types()["gtk3"]:
|
|
try:
|
|
PresetUtils().reset_preset("gtk3")
|
|
except GLib.GError:
|
|
self.win.toast_overlay.add_toast(
|
|
Adw.Toast(title=_("Unable to delete current preset"))
|
|
)
|
|
|
|
dialog = GradienceLogOutDialog(self.win)
|
|
dialog.present()
|
|
|
|
def show_preferences(self, *_args):
|
|
prefs = GradiencePreferencesWindow(self.win)
|
|
prefs.present()
|
|
|
|
def show_about_window(self, *_args):
|
|
about = GradienceAboutWindow(self.win)
|
|
about.show_about()
|
|
|
|
def update_custom_css_text(self, app_type, new_value):
|
|
self.custom_css[app_type] = new_value
|
|
self.reload_variables()
|
|
|
|
def setup_plugins(self):
|
|
logging.debug("setup plugins")
|
|
|
|
self.plugins_group = self.plugins_list.to_group()
|
|
|
|
self.win.content_plugins.add(self.plugins_group)
|
|
self.plugins_group = self.plugins_group
|
|
|
|
self.custom_css_group = GradienceCustomCSSGroup(self.win)
|
|
|
|
for app_type in settings_schema["custom_css_app_types"]:
|
|
self.custom_css[app_type] = ""
|
|
|
|
self.custom_css_group.load_custom_css(self.custom_css)
|
|
self.win.content_plugins.add(self.custom_css_group)
|
|
self.custom_css_group = self.custom_css_group
|
|
|
|
plugins_errors = self.plugins_list.validate()
|
|
|
|
self.props.active_window.update_errors(
|
|
self.global_errors + plugins_errors)
|
|
|
|
def reload_plugins(self):
|
|
self.plugins_list.reload()
|
|
logging.debug("reload plugins")
|
|
|
|
self.win.content_plugins.remove(self.plugins_group)
|
|
self.win.content_plugins.remove(self.custom_css_group)
|
|
|
|
self.plugins_group = self.plugins_list.to_group()
|
|
|
|
self.win.content_plugins.add(self.plugins_group)
|
|
self.plugins_group = self.plugins_group
|
|
|
|
self.custom_css_group = GradienceCustomCSSGroup(self.win)
|
|
|
|
for app_type in settings_schema["custom_css_app_types"]:
|
|
self.custom_css[app_type] = ""
|
|
|
|
self.custom_css_group.load_custom_css(self.custom_css)
|
|
self.win.content_plugins.add(self.custom_css_group)
|
|
self.custom_css_group = self.custom_css_group
|
|
|
|
plugins_errors = self.plugins_list.validate()
|
|
|
|
self.props.active_window.update_errors(
|
|
self.global_errors + plugins_errors)
|
|
|
|
|
|
def main():
|
|
"""The application's entry point."""
|
|
app = GradienceApplication()
|
|
return app.run(sys.argv)
|