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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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import gi
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gi.require_version("Gtk", "3.0")
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from gi.repository import Gtk, Gdk
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class Handler:
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def on_window_destroy(self, *args):
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Gtk.main_quit()
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class Example:
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def __init__(self):
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self.builder = Gtk.Builder()
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self.builder.add_from_file("07_css.glade")
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self.builder.connect_signals(Handler())
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css = b"""
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levelbar trough block.filled.low {
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background-color: green;
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}
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levelbar trough block.filled.high {
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background-color: yellow;
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}
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levelbar trough block.filled.alert {
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background-color: orange;
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}
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levelbar trough block.filled.full {
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background-color: red;
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}
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"""
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#load css stylesheet
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style_provider = Gtk.CssProvider()
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style_provider.load_from_data(css)
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Gtk.StyleContext.add_provider_for_screen(
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Gdk.Screen.get_default(),
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style_provider,
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Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
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)
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self.bar = self.builder.get_object("lev4")
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self.bar.add_offset_value("alert", .9)
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print("low: ", self.bar.get_offset_value("low"))
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print("high: ", self.bar.get_offset_value("high"))
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print("alert:", self.bar.get_offset_value("alert"))
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print("full: ", self.bar.get_offset_value("full"))
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window = self.builder.get_object("window")
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window.show_all()
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def main(self):
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Gtk.main()
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x = Example()
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x.main()
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