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194
launcher/ui.py
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194
launcher/ui.py
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from datetime import datetime
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import sys
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import gi
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import os
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gi.require_version("Gtk", "4.0")
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gi.require_version("Gdk", "4.0")
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from gi.repository import Gdk, GLib, Gtk
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class UIController:
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def __init__(
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self,
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ui_file="window.ui",
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css_file="style.css",
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status_provider_callback=None,
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power_action_callback=None
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):
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self.builder = Gtk.Builder.new_from_file(ui_file)
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self.window = self.builder.get_object("main_window")
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self._load_styles(css_file)
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self._setup_clock()
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self._initialist_power_options()
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self.power_action_callback = power_action_callback
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if status_provider_callback:
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self.setup_status_poller(status_provider_callback)
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def setup_status_poller(self, status_provider_callback, interval_seconds=20):
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""" Accepts any function that returns a dictionary of statuses,
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currently: {'net':True, 'ziti':True}
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"""
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def poll():
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try:
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statuses = status_provider_callback()
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# UPDATE UI
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self._update_label(
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"net_status",
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"Net: Connected" if statuses.get("net") else "Net: Disconnected",
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statuses.get("net"),
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)
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self._update_label(
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"ziti_status",
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"Ziti: Connected" if statuses.get("ziti") else "Ziti: Disconnected",
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statuses.get("ziti")
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)
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except Exception as e:
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print(f"Error polling status: {e}")
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return True
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poll()
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GLib.timeout_add_seconds(interval_seconds, poll)
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def _update_label(self, widget_id, text, is_healthy):
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label = self.builder.get_object(widget_id)
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if label:
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label.set_text(text)
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if is_healthy:
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label.remove_css_class("error-label")
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label.add_css_class("ok-label")
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else:
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label.remove_css_class("ok-label")
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label.add_css_class("error-label")
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def _load_styles(self, css_file):
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css_provider = Gtk.CssProvider()
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css_provider.load_from_path(css_file)
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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_APPLICATION,
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)
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def _setup_clock(self):
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clock_label = self.builder.get_object("clock_label")
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def update():
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clock_label.set_text(datetime.now().strftime("%H:%M"))
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return True
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update()
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GLib.timeout_add_seconds(30, update)
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def _initialist_power_options(self):
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btn_reboot = self.builder.get_object("btn_reboot")
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btn_shutdown = self.builder.get_object("btn_shutdown")
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if btn_reboot:
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btn_reboot.connect(
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"clicked", lambda _: self.power_action_callback("power", "reboot")
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)
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if btn_shutdown:
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btn_shutdown.connect(
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"clicked", lambda _: self.power_action_callback("power", "shutdown")
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)
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def set_app_title(self, title):
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title_label = self.builder.get_object("app_title_label")
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title_label.set_text(title)
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def add_card(self, title_text, desc_text, bg_path, on_click_callback):
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container = self.builder.get_object("cards_flow")
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button = Gtk.Button()
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button.add_css_class("image-card") # Switched to our new image-card class
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button.connect("clicked", lambda *_: on_click_callback())
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# Main overlay container
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overlay = Gtk.Overlay()
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# 1. Background Image Layer
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if bg_path and os.path.exists(bg_path):
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picture = Gtk.Picture.new_for_filename(bg_path)
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picture.set_content_fit(Gtk.ContentFit.COVER)
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else:
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picture = Gtk.Box()
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picture.add_css_class("card-fallback-bg")
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overlay.set_child(picture)
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# 2. Dark Gradient Tint Layer for legibility
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tint_box = Gtk.Box()
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tint_box.add_css_class("card-tint-overlay")
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overlay.add_overlay(tint_box)
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# 3. Text Content Layer (anchored to the bottom)
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box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=4)
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box.add_css_class("card-content-box")
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box.set_valign(Gtk.Align.END)
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title = Gtk.Label(label=title_text)
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title.set_xalign(0.0)
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title.add_css_class("card-title-shadowed")
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desc = Gtk.Label(label=desc_text)
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desc.set_xalign(0.0)
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desc.set_wrap(True)
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desc.add_css_class("card-desc-shadowed")
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box.append(title)
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box.append(desc)
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overlay.add_overlay(box)
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button.set_child(overlay)
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container.append(button)
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def setup_exit_shortcut(self, quit_callback):
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controller = Gtk.EventControllerKey.new()
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def on_key_pressed(_, keyval, __, ___):
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if keyval == Gdk.KEY_Escape:
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quit_callback()
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return True
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return False
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controller.connect("key-pressed", on_key_pressed)
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self.window.add_controller(controller)
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def present(self, app):
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self.window.set_application(app)
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self.window.present()
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# Allow direct execution for isolated UI testing
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if __name__ == "__main__":
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class TestApp(Gtk.Application):
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def __init__(self):
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super().__init__(application_id="com.local.UITest")
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self.ui = None
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def do_activate(self):
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self.ui = UIController()
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self.ui.set_app_title("UI Test Mode")
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# Add mock test cards
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self.ui.add_card(
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"Test Card 1",
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"Verifying layout rendering",
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lambda: print("Clicked Test 1"),
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)
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self.ui.add_card(
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"Test Card 2",
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"Checking flowbox constraints",
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lambda: print("Clicked Test 2"),
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)
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self.ui.setup_exit_shortcut(self.quit)
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self.ui.present(self)
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app = TestApp()
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sys.exit(app.run(sys.argv))
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