Huge updates: ControlCenter, DropDown Menu
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from gi.repository import Gtk, Gdk, GLib
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from fabric.bluetooth import BluetoothClient, BluetoothDevice
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from fabric.widgets.box import Box
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from fabric.widgets.button import Button
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from fabric.widgets.centerbox import CenterBox
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from fabric.widgets.image import Image
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from fabric.widgets.label import Label
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from fabric.widgets.scrolledwindow import ScrolledWindow
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from fabric.widgets.eventbox import EventBox
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class BluetoothDeviceSlot(CenterBox):
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def __init__(self, device: BluetoothDevice, **kwargs):
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super().__init__(**kwargs)
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self.device = device
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self.device.connect("changed", self.on_changed)
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self.device.connect(
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"notify::closed", lambda *_: self.device.closed and self.destroy()
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)
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self.styles = [
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"connected" if self.device.connected else "",
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"paired" if self.device.paired else "",
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]
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self.dimage = Image(
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icon_name=device.icon_name + "-symbolic", # type: ignore
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size=5,
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name="device-icon",
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style_classes=" ".join(self.styles),
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)
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self.start_children = [
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Button(
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image=self.dimage,
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on_clicked=lambda *_: self.toggle_connecting(),
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),
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Label(label=device.name), # type: ignore
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]
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self.device.emit("changed") # to update display status
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def toggle_connecting(self):
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self.device.emit("changed")
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self.device.set_connecting(not self.device.connected)
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def on_changed(self, *_):
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self.styles = [
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"connected" if self.device.connected else "",
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"paired" if self.device.paired else "",
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]
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self.dimage.set_property("style-classes", " ".join(self.styles))
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return
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class BluetoothConnections(Box):
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def __init__(self, parent, show_hidden_devices: bool = False, **kwargs):
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super().__init__(
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spacing=4,
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orientation="vertical",
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style="margin: 8px",
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**kwargs,
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)
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self.parent = parent
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self.show_hidden_devices = show_hidden_devices
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self.client = BluetoothClient(on_device_added=self.on_device_added)
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self.title = Box(
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orientation="h",
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children=[
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Button(
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image=Image(icon_name="back", size=10),
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on_clicked=lambda *_: self.parent.close_bluetooth(),
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),
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Label("Bluetooth"),
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],
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)
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self.toggle_button = Gtk.Switch(visible=True, name="toggle-button")
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self.toggle_button.set_active(self.client.enabled)
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self.toggle_button.connect(
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"notify::active",
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lambda *_: self.client.set_enabled(self.toggle_button.get_active()),
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)
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self.client.connect(
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"notify::enabled",
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lambda *_: self.toggle_button.set_active(self.client.enabled),
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)
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# Connect scanning state changes to update scan button
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self.client.connect(
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"notify::scanning",
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lambda *_: self.update_scan_label()
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)
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self.not_paired = Box(spacing=2, orientation="vertical")
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self.paired = Box(spacing=2, orientation="vertical")
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# Create pull-to-refresh indicator
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self.refresh_indicator = Label(
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name="bluetooth-refresh-indicator",
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label="↓ Pull to scan for devices",
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h_align="center",
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visible=False
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)
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self.device_box = Box(
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spacing=2,
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orientation="vertical",
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children=[self.refresh_indicator, self.paired, self.not_paired]
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)
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# Create scrolled window with pull-to-refresh
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self.scrolled_window = ScrolledWindow(
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min_content_size=(303, 400),
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max_content_size=(303, 800),
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child=self.device_box,
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overlay_scroll=True,
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)
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# Add pull-to-refresh functionality
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self.setup_pull_to_refresh()
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self.children = [
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CenterBox(
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start_children=self.title,
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end_children=self.toggle_button,
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name="bluetooth-widget-top",
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),
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Label("Devices", h_align="start", name="devices-title"),
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self.scrolled_window,
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]
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self.client.notify("scanning")
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self.client.notify("enabled")
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# Connect cleanup on destroy
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self.connect("destroy", self.on_destroy)
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def on_destroy(self, widget):
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"""Cleanup animations when widget is destroyed"""
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self.stop_bounce_animation()
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def setup_pull_to_refresh(self):
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"""Setup pull-to-refresh gesture for the scrolled window"""
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# Get the scrolled window's vertical adjustment
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self.vadjustment = self.scrolled_window.get_vadjustment()
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# Track gesture state
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self.pull_start_y = 0
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self.is_pulling = False
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self.pull_threshold = 50 # pixels to trigger refresh
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# Animation state
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self.bounce_timeout_id = None
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self.bounce_frame = 0
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self.bounce_duration = 60 # Total frames for animation
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self.bounce_amplitude = 15 # Maximum bounce height in pixels
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# Connect to scroll events
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self.scrolled_window.connect("scroll-event", self.on_scroll_event)
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self.scrolled_window.connect("button-press-event", self.on_button_press)
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self.scrolled_window.connect("button-release-event", self.on_button_release)
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self.scrolled_window.connect("motion-notify-event", self.on_motion_notify)
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# Enable events
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self.scrolled_window.set_events(
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Gdk.EventMask.SCROLL_MASK |
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Gdk.EventMask.BUTTON_PRESS_MASK |
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Gdk.EventMask.BUTTON_RELEASE_MASK |
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Gdk.EventMask.POINTER_MOTION_MASK
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)
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def on_scroll_event(self, widget, event):
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"""Handle scroll events for pull-to-refresh"""
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# Only handle pull-to-refresh when at the top
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if self.vadjustment.get_value() <= 0:
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if event.direction == Gdk.ScrollDirection.UP:
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# Scrolling up at the top - toggle scan (start or stop)
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self.client.toggle_scan()
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# Trigger smooth bounce animation for scroll
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self.start_bounce_animation()
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return True # Consume the event
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return False # Let normal scrolling continue
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def on_button_press(self, widget, event):
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"""Handle button press for touch/drag gestures"""
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if self.vadjustment.get_value() <= 0:
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self.pull_start_y = event.y
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self.is_pulling = True
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return False
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def on_button_release(self, widget, event):
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"""Handle button release for touch/drag gestures"""
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if self.is_pulling:
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pull_distance = event.y - self.pull_start_y
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if pull_distance > self.pull_threshold:
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# Toggle scan (start or stop)
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self.client.toggle_scan()
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# Trigger elastic animation for pull gesture (most satisfying)
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self.start_elastic_animation()
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else:
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# Stop any ongoing animation
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self.stop_bounce_animation()
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# Hide refresh indicator
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self.refresh_indicator.set_visible(False)
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self.refresh_indicator.remove_style_class("ready-to-refresh")
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self.is_pulling = False
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return False
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def on_motion_notify(self, widget, event):
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"""Handle motion events for visual feedback during pull"""
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if self.is_pulling and self.vadjustment.get_value() <= 0:
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pull_distance = event.y - self.pull_start_y
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if pull_distance > 0:
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# Show refresh indicator when pulling down
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self.refresh_indicator.set_visible(True)
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if pull_distance >= self.pull_threshold:
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if self.client.scanning:
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self.refresh_indicator.set_label("↑ Release to stop scanning")
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else:
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self.refresh_indicator.set_label("↑ Release to scan")
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self.refresh_indicator.add_style_class("ready-to-refresh")
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else:
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if self.client.scanning:
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self.refresh_indicator.set_label("↓ Pull to stop scanning")
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else:
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self.refresh_indicator.set_label("↓ Pull to scan for devices")
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self.refresh_indicator.remove_style_class("ready-to-refresh")
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else:
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self.refresh_indicator.set_visible(False)
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return False
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def ease_out_bounce(self, t):
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"""Smooth bounce easing function (0 to 1)"""
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import math
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if t < 1/2.75:
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return 7.5625 * t * t
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elif t < 2/2.75:
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t -= 1.5/2.75
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return 7.5625 * t * t + 0.75
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elif t < 2.5/2.75:
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t -= 2.25/2.75
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return 7.5625 * t * t + 0.9375
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else:
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t -= 2.625/2.75
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return 7.5625 * t * t + 0.984375
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def ease_out_elastic(self, t):
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"""Elastic easing function for smoother bounce"""
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import math
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if t == 0 or t == 1:
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return t
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p = 0.3
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s = p / 4
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return math.pow(2, -10 * t) * math.sin((t - s) * (2 * math.pi) / p) + 1
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def start_bounce_animation(self):
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"""Start smooth bounce animation for the refresh indicator"""
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if self.bounce_timeout_id:
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GLib.source_remove(self.bounce_timeout_id)
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self.bounce_frame = 0
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# Higher frame rate for smoother animation (16ms = ~60fps)
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self.bounce_timeout_id = GLib.timeout_add(16, self.animate_bounce)
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def animate_bounce(self):
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"""Animate smooth bounce effect with easing"""
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if self.bounce_frame >= self.bounce_duration:
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# Animation finished
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self.refresh_indicator.set_margin_top(0)
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self.bounce_timeout_id = None
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return False
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# Calculate progress (0 to 1)
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progress = self.bounce_frame / self.bounce_duration
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# Apply easing function for smooth bounce
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eased_progress = self.ease_out_bounce(progress)
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# Calculate bounce offset (starts high, bounces down to 0)
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bounce_offset = int(self.bounce_amplitude * (1 - eased_progress))
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self.refresh_indicator.set_margin_top(max(0, bounce_offset))
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self.bounce_frame += 1
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return True
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def start_elastic_animation(self):
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"""Start elastic animation for more dramatic effect"""
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if self.bounce_timeout_id:
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GLib.source_remove(self.bounce_timeout_id)
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self.bounce_frame = 0
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self.bounce_duration = 80 # Longer for elastic effect
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self.bounce_amplitude = 20 # Higher amplitude
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self.bounce_timeout_id = GLib.timeout_add(16, self.animate_elastic)
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def animate_elastic(self):
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"""Animate elastic bounce effect"""
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if self.bounce_frame >= self.bounce_duration:
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# Animation finished
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self.refresh_indicator.set_margin_top(0)
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self.bounce_timeout_id = None
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return False
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# Calculate progress (0 to 1)
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progress = self.bounce_frame / self.bounce_duration
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# Apply elastic easing
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eased_progress = self.ease_out_elastic(progress)
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# Calculate bounce offset
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bounce_offset = int(self.bounce_amplitude * (1 - eased_progress))
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self.refresh_indicator.set_margin_top(max(0, bounce_offset))
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self.bounce_frame += 1
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return True
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def stop_bounce_animation(self):
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"""Stop any ongoing animations"""
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if self.bounce_timeout_id:
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GLib.source_remove(self.bounce_timeout_id)
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self.bounce_timeout_id = None
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self.refresh_indicator.set_margin_top(0)
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def update_scan_label(self):
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"""Update scanning state appearance"""
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if self.client.scanning:
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# Show scanning feedback in refresh indicator
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self.refresh_indicator.set_label("Scanning for devices...")
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self.refresh_indicator.set_visible(True)
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self.refresh_indicator.add_style_class("scanning")
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else:
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# Hide scanning feedback
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if not self.is_pulling:
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self.refresh_indicator.set_visible(False)
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self.refresh_indicator.remove_style_class("scanning")
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def on_device_added(self, client: BluetoothClient, address: str):
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if not (device := client.get_device(address)):
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return
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if (device.name in ["", None]) and not self.show_hidden_devices:
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return
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slot = BluetoothDeviceSlot(device, paired=device.paired)
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if device.paired:
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return self.paired.add(slot)
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return self.not_paired.add(slot)
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