window: add basic voice recognition popup

data/lapel.gresource.xml

@@ -7,6 +7,7 @@
 		<file>ui/assistant.ui</file>
 		<file>ui/messageview.ui</file>
 		<file>ui/pair.ui</file>
+		<file>ui/popup.ui</file>
 		<file>ui/preferences.ui</file>
 		<file>ui/skills.ui</file>
 		<file>ui/skillview.ui</file>

data/style.css

@@ -63,3 +63,9 @@
 	font-weight: bold;
 	padding: 12px 2em;
 }
+
+.assistant-popup {
+	background: transparent;
+	border: none;
+	box-shadow: none;
+}

data/ui/popup.ui

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+	<requires lib="adw" version="1.0"/>
+	<requires lib="gtk" version="4.0"/>
+	<template class="AssistantPopup" parent="AdwWindow">
+		<property name="title" translatable="yes">Speak to the Assistant</property>
+		<property name="decorated">false</property>
+
+		<style>
+			<class name="assistant-popup"/>
+		</style>
+
+		<child>
+			<object class="AdwFlap" id="flap">
+				<property name="vexpand">true</property>
+				<property name="orientation">vertical</property>
+				<property name="fold-policy">always</property>
+				<property name="flap-position">end</property>
+				<property name="reveal-flap">false</property>
+
+				<child>
+					<object class="GtkBox">
+						<property name="hexpand">true</property>
+						<property name="vexpand">true</property>
+					</object>
+				</child>
+
+				<child type="flap">
+					<object class="SpeechView"/>
+				</child>
+			</object>
+		</child>
+	</template>
+</interface>

src/main.py

@@ -12,6 +12,7 @@
 from .daemon import start_daemon, get_daemon
 
 from .views.preferences import LapelPreferences
+from .views.popup import AssistantPopup
 from .window import LapelWindow, AboutDialog
 
 class Application(Adw.Application):
@@ -28,6 +29,13 @@ def do_activate(self):
 				start_daemon()
 			self.daemon = get_daemon()
 
+			self.assistant_popup = AssistantPopup(self)
+
+			# HACK: without this, showing the window results in:
+			# gdk_gl_context_make_current() failed
+			self.assistant_popup.present()
+			self.assistant_popup.hide()
+
 			# Keep running in the background
 			self.hold()
 

src/views/meson.build

@@ -5,6 +5,7 @@ lapel_view_sources = [
   '__init__.py',
   'assistant.py',
   'pair.py',
+  'popup.py',
   'preferences.py',
   'skills.py',
 ]

src/views/popup.py

@@ -0,0 +1,44 @@
+# coding: utf-8
+"""
+Code for the assistant popup.
+"""
+from gi.repository import Adw, Gtk
+from ..daemon import get_daemon
+
+@Gtk.Template(resource_path='/org/dithernet/lapel/ui/popup.ui')
+class AssistantPopup(Adw.Window):
+	"""Popup window that appears when Mycroft hears its wakeword."""
+	__gtype_name__ = 'AssistantPopup'
+
+	flap = Gtk.Template.Child()
+
+	def __init__(self, app):
+		super().__init__()
+		self.app = app
+		self.flap.connect('notify::reveal-progress', self.handle_reveal_progress)
+		self.daemon = get_daemon()
+		self.daemon.on('mycroft.mic.listen', self._show)
+		self.daemon.on('recognizer_loop:record_end', self._hide)
+
+	def _show(self, *args):
+		active_window = self.app.get_active_window()
+		if active_window and active_window.get_visible():
+			return
+
+		self.set_visible(True)
+		self.present()
+		self.fullscreen()
+		self.flap.set_reveal_flap(True)
+
+	def _hide(self, *args):
+		self.flap.set_reveal_flap(False)
+
+	def handle_reveal_progress(self, flap, *args):
+		progress = flap.get_reveal_progress()
+		if progress == 0:
+			self.set_visible(False)
+			self.daemon.stop_record()
+
+	def close(self, *args):
+		# stub
+		pass