Gradience/gradience/option.py

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# option.py
#
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# Change the look of Adwaita, with ease
# Copyright (C) 2022 Gradience Team
#
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# 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.
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#
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# 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.
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#
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# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from gi.repository import Gtk, Gdk, Adw
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from .constants import rootdir
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@Gtk.Template(resource_path=f"{rootdir}/ui/option.ui")
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class GradienceOption(Adw.ActionRow):
__gtype_name__ = "GradienceOption"
color_value = Gtk.Template.Child("color-value")
text_value = Gtk.Template.Child("text-value")
value_stack = Gtk.Template.Child("value-stack")
text_value_toggle = Gtk.Template.Child("text-value-toggle")
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warning_button = Gtk.Template.Child("warning-button")
warning_label = Gtk.Template.Child("warning-label")
explanation_button = Gtk.Template.Child("explanation-button")
explanation_label = Gtk.Template.Child("explanation-label")
def __init__(self, name, title, explanation, adw_gtk3_support="yes", **kwargs):
super().__init__(**kwargs)
self.set_name(name)
self.set_title(title)
self.set_subtitle("@" + name)
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if adw_gtk3_support == "yes":
self.warning_button.set_visible(False)
elif adw_gtk3_support == "partial":
self.warning_button.add_css_class("warning")
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self.warning_label.set_label(
_("This option is only partially supported by the adw-gtk3 " "theme.")
)
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elif adw_gtk3_support == "no":
self.warning_button.add_css_class("error")
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self.warning_label.set_label(
_("This option is not supported by the adw-gtk3 theme.")
)
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self.explanation_label.set_label(explanation or "")
if explanation is None:
self.explanation_button.set_visible(False)
@Gtk.Template.Callback()
def on_color_value_changed(self, *_args):
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self.update_value(
self.color_value.get_rgba().to_string(), update_from="color_value"
)
@Gtk.Template.Callback()
def on_text_value_changed(self, *_args):
self.update_value(self.text_value.get_text(), update_from="text_value")
@Gtk.Template.Callback()
def on_text_value_toggled(self, *_args):
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if self.text_value_toggle.get_active():
self.value_stack.set_visible_child(self.text_value)
else:
self.value_stack.set_visible_child(self.color_value)
def update_value(self, new_value, **kwargs):
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rgba = Gdk.RGBA()
if kwargs.get("update_from") != "text_value":
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if rgba.parse(new_value):
self.text_value.set_text(rgba.to_string())
else:
self.text_value.set_text(new_value)
if kwargs.get("update_from") != "color_value":
if rgba.parse(new_value):
self.color_value.set_rgba(rgba)
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self.color_value.set_tooltip_text(new_value)
if kwargs.get("update_from") != "text_value":
self.text_value_toggle.set_active(False)
elif kwargs.get("update_from") != "text_value":
self.text_value_toggle.set_active(True)
else:
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rgba.parse("rgba(0,0,0,0)")
self.color_value.set_rgba(rgba)
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self.color_value.set_tooltip_text(
_("Not a color, see text value"))
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if (
Gtk.Application.get_default().is_ready
and kwargs.get("update_from") == "text_value"
and new_value != ""
):
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Gtk.Application.get_default(
).variables[self.get_name()] = new_value
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Gtk.Application.get_default().mark_as_dirty()
Gtk.Application.get_default().reload_variables()