# window.py
#
# Change the look of Adwaita, with ease
# Copyright (C) 2022 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 .
import os
from gi.repository import Gtk, Adw, Gio
from svglib.svglib import svg2rlg
from reportlab.graphics import renderPM
from material_color_utilities_python import *
from gradience.ui.error_list_row import GradienceErrorListRow
from gradience.ui.palette_shades import GradiencePaletteShades
from gradience.ui.option_row import GradienceOptionRow
from gradience.utils.utils import buglog
from gradience.settings_schema import settings_schema
from gradience.constants import rootdir, app_id, build_type
@Gtk.Template(resource_path=f"{rootdir}/ui/window.ui")
class GradienceMainWindow(Adw.ApplicationWindow):
__gtype_name__ = "GradienceMainWindow"
content = Gtk.Template.Child()
toast_overlay = Gtk.Template.Child()
content_monet = Gtk.Template.Child("content_monet")
content_plugins = Gtk.Template.Child("content_plugins")
save_preset_button = Gtk.Template.Child("save-preset-button")
main_menu = Gtk.Template.Child("main-menu")
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")
monet_image_file = None
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.presets_dropdown.get_popover().connect(
"show", self.on_presets_dropdown_activate
)
# Set devel style
if build_type == "debug":
self.get_style_context().add_class("devel")
self.setup_monet_page()
self.setup_colors_page()
self.settings = Gio.Settings(app_id)
self.connect("close-request", self.on_close_request)
self.connect("unrealize", self.save_window_props)
self.style_manager = self.get_application().style_manager
self.first_apply = True
self.get_default_wallpaper()
# FIXME: This function works only when build using meson, because Flatpak
# can't access host's dconf with current config/impl
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")
buglog(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()
buglog(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)
buglog(self.monet_image_file)
# self.on_apply_button() # Comment out for now, because it always shows
# that annoying toast on startup
def on_file_picker_button_clicked(self, *args):
self.monet_file_chooser_dialog.show()
def on_close_request(self, *args):
if self.get_application().is_dirty:
buglog("Window close request")
self.get_application().show_exit_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 on_monet_file_chooser_response(self, widget, response):
if response == Gtk.ResponseType.ACCEPT:
self.monet_image_file = self.monet_file_chooser_dialog.get_file()
image_basename = self.monet_image_file.get_basename()
self.monet_file_chooser_button.set_label(image_basename)
self.monet_file_chooser_button.set_tooltip_text(image_basename)
self.monet_file_chooser_dialog.hide()
if response == Gtk.ResponseType.ACCEPT:
self.monet_image_file = self.monet_image_file.get_path()
self.on_apply_button()
def setup_monet_page(self):
self.monet_pref_group = Adw.PreferencesGroup()
self.monet_pref_group.set_name("monet")
self.monet_pref_group.set_title(_("Monet Engine"))
self.monet_pref_group.set_description(
_(
"Monet is an engine that generates a Material Design 3 "
"palette from an image's color."
)
)
self.apply_button = Gtk.Button()
self.apply_button.set_label(_("Apply"))
self.apply_button.set_valign(Gtk.Align.CENTER)
self.apply_button.connect("clicked", self.on_apply_button)
self.apply_button.set_css_classes("suggested-action")
self.monet_pref_group.set_header_suffix(self.apply_button)
self.monet_file_chooser_row = Adw.ActionRow()
self.monet_file_chooser_row.set_title(_("Background Image"))
self.monet_file_chooser_dialog = Gtk.FileChooserNative()
self.monet_file_chooser_dialog.set_transient_for(self)
self.monet_file_chooser_dialog.set_modal(True)
self.monet_file_chooser_button = Gtk.Button()
self.monet_file_chooser_button.set_valign(Gtk.Align.CENTER)
child_button = Gtk.Box()
label = Gtk.Label()
label.set_label(_("Choose a File"))
child_button.append(label)
icon = Gtk.Image()
icon.set_from_icon_name("folder-pictures-symbolic")
child_button.append(icon)
child_button.set_spacing(5)
self.monet_file_chooser_button.set_child(child_button)
self.monet_file_chooser_button.connect(
"clicked", self.on_file_picker_button_clicked
)
self.monet_file_chooser_dialog.connect(
"response", self.on_monet_file_chooser_response
)
self.monet_file_chooser_row.add_suffix(self.monet_file_chooser_button)
self.monet_pref_group.add(self.monet_file_chooser_row)
self.monet_palette_shades = GradiencePaletteShades(
"monet", _("Monet Palette"), 6
)
self.get_application(
).pref_palette_shades["monet"] = self.monet_palette_shades
self.monet_pref_group.add(self.monet_palette_shades)
self.tone_row = Adw.ComboRow()
self.tone_row.set_title(_("Tone"))
store = Gtk.StringList()
store_values = []
for i in range(20, 80, 5):
store_values.append(str(i))
for v in store_values:
store.append(v)
self.tone_row.set_model(store)
self.monet_pref_group.add(self.tone_row)
self.monet_theme_row = Adw.ComboRow()
self.monet_theme_row.set_title(_("Theme"))
store = Gtk.StringList()
store.append(_("Auto"))
store.append(_("Light"))
store.append(_("Dark"))
self.monet_theme_row.set_model(store)
self.monet_pref_group.add(self.monet_theme_row)
self.content_monet.add(self.monet_pref_group)
def on_apply_button(self, *_args):
if self.monet_image_file:
if self.monet_image_file.endswith(".svg"):
drawing = svg2rlg(self.monet_image_file)
self.monet_image_file = os.path.join(
os.environ.get("XDG_RUNTIME_DIR"), "gradience_bg.png"
)
renderPM.drawToFile(drawing, self.monet_image_file, fmt="PNG")
if self.monet_image_file.endswith(".xml"):
buglog("XML WIP")
try:
self.monet_img = Image.open(self.monet_image_file)
except Exception:
self.toast_overlay.add_toast(
Adw.Toast(title=_("Unsupported background type"))
)
else:
basewidth = 64
wpercent = basewidth / float(self.monet_img.size[0])
hsize = int((float(self.monet_img.size[1]) * float(wpercent)))
self.monet_img = self.monet_img.resize(
(basewidth, hsize), Image.Resampling.LANCZOS
)
self.theme = themeFromImage(self.monet_img)
self.tone = self.tone_row.get_selected_item()
self.monet_theme = self.monet_theme_row.get_selected_item()
self.get_application().update_theme_from_monet(
self.theme, self.tone, self.monet_theme
)
if not self.first_apply:
self.toast_overlay.add_toast(
Adw.Toast(title=_("Palette generated"))
)
else:
self.toast_overlay.add_toast(
Adw.Toast(title=_("Select a background first"))
)
def setup_colors_page(self):
for group in settings_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)
self.get_application(
).pref_variables[variable["name"]] = pref_variable
self.content.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 settings_schema["palette"]:
palette_shades = GradiencePaletteShades(
color["prefix"], color["title"], color["n_shades"]
)
palette_pref_group.add(palette_shades)
self.get_application(
).pref_palette_shades[color["prefix"]] = palette_shades
self.content.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.get_application().reload_user_defined_presets()