✨ feat: implement core functionality and UI for Modus shell
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import json
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from fabric.hyprland.widgets import get_hyprland_connection
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from fabric.widgets.box import Box
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from fabric.widgets.eventbox import EventBox
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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 gi.repository import Gdk
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import config.data as data
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from utils.icon_resolver import IconResolver
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from utils.wayland import WaylandWindow as Window
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class ApplicationSwitcher(Window):
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def __init__(self, **kwargs):
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super().__init__(
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name="application-switcher",
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layer="top",
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anchor="center",
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exclusivity="auto",
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keyboard_mode="exclusive",
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**kwargs,
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)
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self.conn = get_hyprland_connection()
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self.icon_resolver = IconResolver()
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self.windows = []
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self.current_index = 0
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self.tab_pressed = False
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self.items_per_row = data.WINDOW_SWITCHER_ITEMS_PER_ROW
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self.icon_size = 64
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container = Box(
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name="application-switcher-container",
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orientation="v",
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h_align="center",
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v_align="center",
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expand=True,
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)
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self.add(container)
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self.view = Box(
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name="application-switcher-view",
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orientation="v",
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spacing=0,
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h_align="center",
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v_align="center",
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)
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container.add(self.view)
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self.connect("key-press-event", self.on_key_press)
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self.connect("key-release-event", self.on_key_release)
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self.show_all()
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self.hide()
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def show_switcher(self) -> None:
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self.update_windows()
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if not self.windows:
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return
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self.show()
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self.grab_keyboard()
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self.tab_pressed = False
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def hide_switcher(self) -> None:
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self.hide()
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self.ungrab_keyboard()
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def _is_special_workspace(self, client):
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"""Check if a client is in a special workspace"""
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if "workspace" not in client:
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return False
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workspace = client["workspace"]
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if "name" in workspace:
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workspace_name = str(workspace["name"])
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# Special workspaces typically start with "special:" or have negative IDs
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if workspace_name.startswith("special:"):
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return True
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if "id" in workspace:
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workspace_id = workspace["id"]
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# Special workspaces have negative IDs
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if workspace_id < 0:
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return True
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return False
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def update_windows(self) -> None:
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for child in self.view.get_children():
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self.view.remove(child)
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try:
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clients_data = self.conn.send_command("j/clients").reply
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if not clients_data:
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return
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clients = json.loads(clients_data.decode("utf-8"))
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# Filter out hidden windows and optionally special workspace windows
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filtered_windows = []
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for c in clients:
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if c.get("hidden", False):
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continue
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# Skip clients in special workspaces if the setting is enabled
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if data.DOCK_HIDE_SPECIAL_WORKSPACE_APPS and self._is_special_workspace(c):
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continue
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filtered_windows.append(c)
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self.windows = filtered_windows
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active_data = self.conn.send_command("j/activewindow").reply
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active_window = (
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json.loads(active_data.decode("utf-8")) if active_data else None
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)
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self.current_index = 0
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if active_window:
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for i, window in enumerate(self.windows):
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if window.get("address") == active_window.get("address"):
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self.current_index = i
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break
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current_row = Box(
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name="window-row",
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orientation="h",
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spacing=12,
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h_align="center",
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v_align="center",
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)
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self.view.add(current_row)
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for i, window in enumerate(self.windows):
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class_name = window.get("class", "").lower()
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title = window.get("title", "")
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icon_img = self.icon_resolver.get_icon_pixbuf(
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class_name, self.icon_size
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)
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if not icon_img:
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icon_img = self.icon_resolver.get_icon_pixbuf(
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"application-x-executable-symbolic", self.icon_size
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)
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button_content = Box(
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name="switcher-button",
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orientation="v",
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spacing=4,
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h_align="center",
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v_align="center",
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children=[
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Image(pixbuf=icon_img),
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Label(
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label=title[:15] + "..." if len(title) > 15 else title,
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h_align="center",
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v_align="center",
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max_width_chars=15,
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ellipsize="end",
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),
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],
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)
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event_box = EventBox(
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name="window-button",
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style_classes=["active"] if i == self.current_index else None,
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child=button_content,
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)
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current_row.add(event_box)
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if (i + 1) % self.items_per_row == 0 and i + 1 < len(self.windows):
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current_row = Box(
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name="window-row",
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orientation="h",
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spacing=12,
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h_align="center",
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v_align="center",
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)
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self.view.add(current_row)
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self.view.show_all()
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self.update_selection()
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except Exception as e:
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print(f"Failed to update windows: {e}")
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def on_key_press(self, widget, event):
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keyval = event.keyval
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state = event.state
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alt_pressed = bool(state & Gdk.ModifierType.MOD1_MASK)
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if not self.windows:
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return False
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if keyval == Gdk.KEY_Escape:
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self.hide_switcher()
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return True
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if keyval == Gdk.KEY_Tab:
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if not self.tab_pressed or alt_pressed:
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self.current_index = (self.current_index + 1) % len(self.windows)
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self.update_selection()
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self.tab_pressed = True
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return True
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if keyval == Gdk.KEY_ISO_Left_Tab or (
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keyval == Gdk.KEY_Tab and (state & Gdk.ModifierType.SHIFT_MASK)
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):
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self.current_index = (self.current_index - 1) % len(self.windows)
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self.update_selection()
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return True
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if keyval == Gdk.KEY_Return:
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self.activate_selected()
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self.hide_switcher()
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return True
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if keyval == Gdk.KEY_Right or keyval == Gdk.KEY_l:
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self.current_index = (self.current_index + 1) % len(self.windows)
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self.update_selection()
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return True
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if keyval == Gdk.KEY_Left or keyval == Gdk.KEY_h:
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self.current_index = (self.current_index - 1) % len(self.windows)
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self.update_selection()
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return True
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if keyval == Gdk.KEY_Down:
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next_index = self.current_index + self.items_per_row
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if next_index < len(self.windows):
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self.current_index = next_index
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self.update_selection()
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return True
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if keyval == Gdk.KEY_Up:
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next_index = self.current_index - self.items_per_row
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if next_index >= 0:
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self.current_index = next_index
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self.update_selection()
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return True
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return False
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def on_key_release(self, widget, event):
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keyval = event.keyval
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if keyval in (Gdk.KEY_Alt_L, Gdk.KEY_Alt_R):
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self.activate_selected()
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self.hide_switcher()
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return True
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if keyval == Gdk.KEY_Tab:
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self.tab_pressed = False
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return True
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return False
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def update_selection(self):
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for row in self.view.get_children():
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for i, child in enumerate(row.get_children()):
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index = self.view.get_children().index(row) * self.items_per_row + i
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if index == self.current_index:
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child.add_style_class("active")
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else:
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child.remove_style_class("active")
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def activate_selected(self):
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if not self.windows or self.current_index >= len(self.windows):
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return
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window = self.windows[self.current_index]
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address = window.get("address")
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if address:
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try:
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command = f"/dispatch focuswindow address:{address}"
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self.conn.send_command(command)
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except Exception as e:
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print(f"Failed to focus window: {e}")
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def grab_keyboard(self):
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try:
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display = Gdk.Display.get_default()
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seat = display.get_default_seat()
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window = self.get_window()
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seat.grab(window, Gdk.SeatCapabilities.KEYBOARD, False, None, None, None)
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except Exception as e:
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print(f"Failed to grab keyboard: {e}")
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def ungrab_keyboard(self):
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try:
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display = Gdk.Display.get_default()
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seat = display.get_default_seat()
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seat.ungrab()
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except Exception as e:
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print(f"Failed to ungrab keyboard: {e}")
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