Python script, ASCII text executable
1
"""
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Traditional window list applet for the Panorama panel, compatible
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with wlroots-based compositors.
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Copyright 2025, roundabout-host.com <vlad@roundabout-host.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public Licence as published by
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the Free Software Foundation, either version 3 of the Licence, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public Licence for more details.
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You should have received a copy of the GNU General Public Licence
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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import dataclasses
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import os
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import sys
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import mmap
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import locale
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import typing
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from pathlib import Path
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from pywayland.utils import AnonymousFile
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from pywayland.client import Display, EventQueue
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from pywayland.protocol.wayland import WlRegistry, WlSeat, WlSurface, WlCompositor, WlOutput, WlBuffer, WlShmPool
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from pywayland.protocol.wayland.wl_output import WlOutputProxy
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from pywayland.protocol.wlr_foreign_toplevel_management_unstable_v1 import (
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ZwlrForeignToplevelManagerV1,
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ZwlrForeignToplevelHandleV1
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)
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from pywayland.protocol.wlr_screencopy_unstable_v1 import (
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ZwlrScreencopyManagerV1,
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ZwlrScreencopyFrameV1
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)
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import panorama_panel
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import gi
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gi.require_version("Gtk", "4.0")
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gi.require_version("GdkWayland", "4.0")
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from gi.repository import Gtk, GLib, Gtk4LayerShell, Gio, Gdk, Pango, GObject
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module_directory = Path(__file__).resolve().parent
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locale.bindtextdomain("panorama-window-list", module_directory / "locale")
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_ = lambda x: locale.dgettext("panorama-window-list", x)
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import ctypes
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from cffi import FFI
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ffi = FFI()
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ffi.cdef("""
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void * gdk_wayland_display_get_wl_display (void * display);
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void * gdk_wayland_surface_get_wl_surface (void * surface);
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void * gdk_wayland_monitor_get_wl_output (void * monitor);
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""")
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gtk = ffi.dlopen("libgtk-4.so.1")
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@Gtk.Template(filename=str(module_directory / "panorama-window-list-options.ui"))
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class WindowListOptions(Gtk.Window):
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__gtype_name__ = "WindowListOptions"
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button_width_adjustment: Gtk.Adjustment = Gtk.Template.Child()
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workspace_filter_checkbutton: Gtk.CheckButton = Gtk.Template.Child()
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.connect("close-request", lambda *args: self.destroy())
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def split_bytes_into_ints(array: bytes, size: int = 4) -> list[int]:
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if len(array) % size:
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raise ValueError(f"The byte string's length must be a multiple of {size}")
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values: list[int] = []
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for i in range(0, len(array), size):
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values.append(int.from_bytes(array[i : i+size], byteorder=sys.byteorder))
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return values
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def get_widget_rect(widget: Gtk.Widget) -> tuple[int, int, int, int]:
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width = int(widget.get_width())
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height = int(widget.get_height())
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toplevel = widget.get_root()
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if not toplevel:
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return 0, 0, width, height
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x, y = widget.translate_coordinates(toplevel, 0, 0)
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x = int(x)
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y = int(y)
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return x, y, width, height
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@dataclasses.dataclass
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class WindowState:
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minimised: bool
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maximised: bool
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fullscreen: bool
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focused: bool
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@classmethod
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def from_state_array(cls, array: bytes):
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values = split_bytes_into_ints(array)
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instance = cls(False, False, False, False)
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for value in values:
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match value:
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case 0:
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instance.maximised = True
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case 1:
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instance.minimised = True
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case 2:
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instance.focused = True
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case 3:
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instance.fullscreen = True
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return instance
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from gi.repository import Gtk, Gdk
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class WindowButtonOptions:
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def __init__(self, max_width: int):
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self.max_width = max_width
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class WindowButtonLayoutManager(Gtk.LayoutManager):
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def __init__(self, options: WindowButtonOptions, button: Gtk.ToggleButton, **kwargs):
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super().__init__(**kwargs)
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self.options = options
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self.button = button
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def do_measure(self, widget, orientation, for_size):
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child = widget.get_first_child()
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if child is None:
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return 0, 0, 0, 0
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if orientation == Gtk.Orientation.HORIZONTAL:
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min_width, nat_width, min_height, nat_height = child.measure(Gtk.Orientation.HORIZONTAL, for_size)
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width = self.options.max_width
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return min_width, width, min_height, nat_height
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else:
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min_width, nat_width, min_height, nat_height = child.measure(Gtk.Orientation.VERTICAL, for_size)
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return min_height, nat_height, 0, 0
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def do_allocate(self, widget, width, height, baseline):
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child = widget.get_first_child()
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if child is None:
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return
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alloc_width = min(width, self.options.max_width)
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alloc = Gdk.Rectangle()
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alloc.x = 0
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alloc.y = 0
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alloc.width = alloc_width
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alloc.height = height
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child.allocate(alloc.width, alloc.height, baseline)
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if alloc.width > 0 and alloc.height > 0 and self.button.window_list.wl_surface:
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x, y = widget.translate_coordinates(self.button.get_root(), 0, 0)
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x = int(x)
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y = int(y)
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self.button.window_id.set_rectangle(self.button.window_list.wl_surface, x, y, alloc.width, alloc.height)
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class WindowButton(Gtk.ToggleButton):
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def __init__(self, window_id, window_title, window_list, **kwargs):
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super().__init__(**kwargs)
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self.window_id: ZwlrForeignToplevelHandleV1 = window_id
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self.wf_sock = window_list.wf_socket
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self.window_list = window_list
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self.wf_ipc_id: typing.Optional[int] = None
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self.popover_open = False
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self.set_has_frame(False)
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self.label = Gtk.Label()
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self.icon = Gtk.Image.new_from_icon_name("application-x-executable")
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box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=4)
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box.append(self.icon)
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box.append(self.label)
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self.set_child(box)
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self.window_title = window_title
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self.window_state = WindowState(False, False, False, False)
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self.label.set_ellipsize(Pango.EllipsizeMode.END)
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self.set_hexpand(True)
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self.set_vexpand(True)
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self.drag_source = Gtk.DragSource(actions=Gdk.DragAction.MOVE)
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self.drag_source.connect("prepare", self.provide_drag_data)
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self.drag_source.connect("drag-begin", self.drag_begin)
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self.drag_source.connect("drag-cancel", self.drag_cancel)
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self.add_controller(self.drag_source)
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self.menu = Gio.Menu()
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# TODO: toggle the labels when needed
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self.minimise_item = Gio.MenuItem.new(_("_Minimise"), "button.minimise")
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self.maximise_item = Gio.MenuItem.new(_("Ma_ximise"), "button.maximise")
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self.menu.append_item(self.minimise_item)
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self.menu.append_item(self.maximise_item)
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self.menu.append(_("_Close"), "button.close")
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self.menu.append(_("Window list _options"), "applet.options")
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self.popover_menu = Gtk.PopoverMenu.new_from_model(self.menu)
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self.popover_menu.set_parent(self)
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self.popover_menu.set_flags(Gtk.PopoverMenuFlags.NESTED)
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self.popover_menu.set_has_arrow(False)
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self.popover_menu.set_halign(Gtk.Align.END)
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self.popover_menu.connect("closed", self.hide_menu)
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self.right_click_controller = Gtk.GestureClick(button=3)
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self.right_click_controller.connect("pressed", self.show_menu)
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self.add_controller(self.right_click_controller)
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self.action_group = Gio.SimpleActionGroup()
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close_action = Gio.SimpleAction.new("close")
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close_action.connect("activate", self.close_associated)
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self.action_group.insert(close_action)
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minimise_action = Gio.SimpleAction.new("minimise")
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minimise_action.connect("activate", self.minimise_associated)
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self.action_group.insert(minimise_action)
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maximise_action = Gio.SimpleAction.new("maximise")
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maximise_action.connect("activate", self.maximise_associated)
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self.action_group.insert(maximise_action)
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self.insert_action_group("button", self.action_group)
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self.middle_click_controller = Gtk.GestureClick(button=2)
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self.middle_click_controller.connect("released", self.close_associated)
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self.add_controller(self.middle_click_controller)
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if not self.window_list.live_preview_tooltips:
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return
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self.custom_tooltip_content = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
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self.custom_tooltip_content.append(TooltipMedia(window_list))
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self.hover_point = 0, 0
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self.hover_timeout = None
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self.connect("query-tooltip", self.query_tooltip)
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self.set_has_tooltip(True)
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motion_controller = Gtk.EventControllerMotion()
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motion_controller.connect("enter", self.on_button_enter)
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motion_controller.connect("leave", self.on_button_leave)
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self.add_controller(motion_controller)
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def query_tooltip(self, widget, x, y, keyboard_mode, tooltip):
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if self.window_list.get_live_preview_output() is None:
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return False
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tooltip.set_custom(self.custom_tooltip_content)
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return True
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def on_button_enter(self, button, x, y):
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if self.popover_open:
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return
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view_id = self.wf_ipc_id
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message = self.window_list.get_msg_template("live_previews/request_stream")
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message["data"]["id"] = view_id
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self.wf_sock.send_json(message)
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def on_button_leave(self, button):
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if self.popover_open:
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return
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message = self.window_list.get_msg_template("live_previews/release_output")
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self.wf_sock.send_json(message)
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self.window_list.set_live_preview_output(None)
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def show_menu(self, gesture, n_presses, x, y):
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if self.window_list.live_preview_tooltips:
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self.on_button_leave(None)
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self.popover_open = True
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self.popover_menu.popup()
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def hide_menu(self, popover):
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self.popover_open = False
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self.popover_menu.popdown()
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def close_associated(self, *args):
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self.window_id.close()
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def minimise_associated(self, action, *args):
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if self.window_state.minimised:
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self.window_id.unset_minimized()
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else:
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self.window_id.set_minimized()
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def maximise_associated(self, action, *args):
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if self.window_state.maximised:
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self.window_id.unset_maximized()
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else:
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self.window_id.set_maximized()
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def provide_drag_data(self, source: Gtk.DragSource, x: float, y: float):
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app = self.get_root().get_application()
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app.drags[id(self)] = self
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value = GObject.Value()
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value.init(GObject.TYPE_UINT64)
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value.set_uint64(id(self))
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return Gdk.ContentProvider.new_for_value(value)
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def drag_begin(self, source: Gtk.DragSource, drag: Gdk.Drag):
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paintable = Gtk.WidgetPaintable.new(self).get_current_image()
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source.set_icon(paintable, 0, 0)
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self.hide()
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def drag_cancel(self, source: Gtk.DragSource, drag: Gdk.Drag, reason: Gdk.DragCancelReason):
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self.show()
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return False
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@property
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def window_title(self):
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return self.label.get_text()
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@window_title.setter
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def window_title(self, value):
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self.label.set_text(value)
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def set_icon_from_app_id(self, app_id):
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app_ids = app_id.split()
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# If on Wayfire, find the IPC ID
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for app_id in app_ids:
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if app_id.startswith("wf-ipc-"):
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self.wf_ipc_id = int(app_id.removeprefix("wf-ipc-"))
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break
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# Try getting an icon from the correct theme
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icon_theme = Gtk.IconTheme.get_for_display(self.get_display())
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for app_id in app_ids:
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if icon_theme.has_icon(app_id):
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self.icon.set_from_icon_name(app_id)
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return
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# If that doesn't work, try getting one from .desktop files
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for app_id in app_ids:
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try:
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desktop_file = Gio.DesktopAppInfo.new(app_id + ".desktop")
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if desktop_file:
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self.icon.set_from_gicon(desktop_file.get_icon())
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return
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except TypeError:
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# Due to a bug, the constructor may sometimes return C NULL
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pass
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class TooltipMedia(Gtk.Picture):
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def __init__(self, window_list):
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super().__init__()
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self.frame: ZwlrScreencopyFrameV1 = None
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self.screencopy_manager = window_list.screencopy_manager
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self.wl_shm = window_list.wl_shm
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self.window_list = window_list
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self.buffer_width = 200
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self.buffer_height = 200
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self.buffer_stride = 200 * 4
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self.screencopy_data = None
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self.wl_buffer = None
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self.size = 0
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self.add_tick_callback(self.on_tick)
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def frame_handle_buffer(self, frame, pixel_format, width, height, stride):
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size = width * height * int(stride / width)
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if self.size != size:
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self.set_size_request(width, height)
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self.size = size
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anon_file = AnonymousFile(self.size)
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anon_file.open()
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fd = anon_file.fd
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self.screencopy_data = mmap.mmap(fileno=fd, length=self.size, access=(mmap.ACCESS_READ | mmap.ACCESS_WRITE), offset=0)
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pool = self.wl_shm.create_pool(fd, self.size)
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self.wl_buffer = pool.create_buffer(0, width, height, stride, pixel_format)
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pool.destroy()
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anon_file.close()
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self.buffer_width = width
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self.buffer_height = height
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self.buffer_stride = stride
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self.frame.copy(self.wl_buffer)
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def frame_ready(self, frame, tv_sec_hi, tv_sec_low, tv_nsec):
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self.screencopy_data.seek(0)
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texture = Gdk.MemoryTexture.new(
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width=self.buffer_width,
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height=self.buffer_height,
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format=Gdk.MemoryFormat.R8G8B8A8,
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bytes=GLib.Bytes(self.screencopy_data.read(self.size)),
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stride=self.buffer_stride
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)
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self.set_paintable(texture)
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def request_next_frame(self):
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if self.frame:
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self.frame.destroy()
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wl_output = self.window_list.get_live_preview_output()
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if not wl_output:
406
return
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self.frame = self.screencopy_manager.capture_output(1, wl_output)
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self.frame.dispatcher["buffer"] = self.frame_handle_buffer
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self.frame.dispatcher["ready"] = self.frame_ready
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def on_tick(self, widget, clock):
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self.request_next_frame()
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return GLib.SOURCE_CONTINUE
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class WFWindowList(panorama_panel.Applet):
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name = _("Wayfire window list")
418
description = _("Traditional window list (for Wayfire and other wlroots compositors)")
419
def __init__(self, orientation=Gtk.Orientation.HORIZONTAL, config=None):
421
super().__init__(orientation=orientation, config=config)
422
if config is None:
423
config = {}
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self.set_homogeneous(True)
426
self.window_button_options = WindowButtonOptions(config.get("max_button_width", 256))
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self.show_only_this_wf_workspace = config.get("show_only_this_wf_workspace", True)
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self.show_only_this_output = config.get("show_only_this_output", True)
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self.icon_size = config.get("icon_size", 24)
430
431
self.toplevel_buttons: dict[ZwlrForeignToplevelHandleV1, WindowButton] = {}
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self.toplevel_buttons_by_wf_id: dict[int, WindowButton] = {}
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# This button doesn't belong to any window but is used for the button group and to be
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# selected when no window is focused
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self.initial_button = Gtk.ToggleButton()
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self.my_output = None
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self.wl_surface = None
439
self.compositor = None
440
self.wl_seat = None
441
self.output = None
442
self.wl_shm = None
443
#self.manager = None
444
self.screencopy_manager = None
445
self.live_preview_output_name = None
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self.context_menu = self.make_context_menu()
448
panorama_panel.track_popover(self.context_menu)
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right_click_controller = Gtk.GestureClick()
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right_click_controller.set_button(3)
452
right_click_controller.connect("pressed", self.show_context_menu)
453
self.add_controller(right_click_controller)
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action_group = Gio.SimpleActionGroup()
457
options_action = Gio.SimpleAction.new("options", None)
458
options_action.connect("activate", self.show_options)
459
action_group.add_action(options_action)
460
self.insert_action_group("applet", action_group)
461
# Wait for the widget to be in a layer-shell window before doing this
462
self.connect("realize", self.get_wl_resources)
463
self.options_window = None
465
# Support button reordering
467
self.drop_target = Gtk.DropTarget.new(GObject.TYPE_UINT64, Gdk.DragAction.MOVE)
468
self.drop_target.set_gtypes([GObject.TYPE_UINT64])
469
self.drop_target.connect("drop", self.drop_button)
470
self.add_controller(self.drop_target)
472
# Make a Wayfire socket for workspace handling
474
self.live_preview_tooltips = False
475
try:
476
import wayfire
477
from wayfire.core.template import get_msg_template
478
self.wf_socket = wayfire.WayfireSocket()
479
self.get_msg_template = get_msg_template
480
if "live_previews/request_stream" in self.wf_socket.list_methods():
481
self.live_preview_tooltips = True
482
print("WFWindowList: Live Preview Tooltips: enabled")
483
else:
484
print("WFWindowList: Live Preview Tooltips: disabled")
485
print("- Live preview tooltips requires wayfire wf-live-previews plugin. Is it enabled?")
486
self.wf_socket.watch(["view-workspace-changed", "wset-workspace-changed"])
487
fd = self.wf_socket.client.fileno()
488
GLib.io_add_watch(GLib.IOChannel.unix_new(fd), GLib.IO_IN, self.on_wf_event, priority=GLib.PRIORITY_HIGH)
489
except:
490
# Wayfire raises Exception itself, so it cannot be narrowed down
491
self.wf_socket = None
492
def get_wf_output_by_name(self, name):
494
if not self.wf_socket:
495
return None
496
for output in self.wf_socket.list_outputs():
497
if output["name"] == name:
498
return output
499
return None
500
def on_wf_event(self, source, condition):
502
if condition & GLib.IO_IN:
503
try:
504
message = self.wf_socket.read_next_event()
505
event = message.get("event")
506
match event:
507
case "view-workspace-changed":
508
view = message.get("view", {})
509
if view["output-name"] == self.get_root().monitor_name:
510
output = self.get_wf_output_by_name(view["output-name"])
511
current_workspace = output["workspace"]["x"], output["workspace"]["y"]
512
button = self.toplevel_buttons_by_wf_id[view["id"]]
513
if not self.show_only_this_wf_workspace or (message["to"]["x"], message["to"]["y"]) == current_workspace:
514
if button.get_parent() is None and button.output == self.my_output:
515
self.append(button)
516
else:
517
if button.get_parent() is self:
518
# Remove out-of-workspace window
519
self.remove(button)
520
case "wset-workspace-changed":
521
output_name = self.get_root().monitor_name
522
if message["wset-data"]["output-name"] == output_name:
523
# It has changed on this monitor; refresh the window list
524
self.filter_to_wf_workspace()
525
except Exception as e:
527
print("Error reading Wayfire event:", e)
528
return True
529
def drop_button(self, drop_target: Gtk.DropTarget, value: int, x: float, y: float):
531
button: WindowButton = self.get_root().get_application().drags.pop(value)
532
if button.get_parent() is not self:
533
# Prevent dropping a button from another window list
534
return False
535
self.remove(button)
537
# Find the position where to insert the applet
538
# Probably we could use the assumption that buttons are homogeneous here for efficiency
539
child = self.get_first_child()
540
while child:
541
allocation = child.get_allocation()
542
child_x, child_y = self.translate_coordinates(self, 0, 0)
543
if self.get_orientation() == Gtk.Orientation.HORIZONTAL:
544
midpoint = child_x + allocation.width / 2
545
if x < midpoint:
546
button.insert_before(self, child)
547
break
548
elif self.get_orientation() == Gtk.Orientation.VERTICAL:
549
midpoint = child_y + allocation.height / 2
550
if y < midpoint:
551
button.insert_before(self, child)
552
break
553
child = child.get_next_sibling()
554
else:
555
self.append(button)
556
button.show()
557
self.set_all_rectangles()
559
return True
560
def filter_to_wf_workspace(self):
562
if not self.show_only_this_wf_workspace:
563
return
564
output = self.get_wf_output_by_name(self.get_root().monitor_name)
566
if not output:
567
return
568
for wf_id, button in self.toplevel_buttons_by_wf_id.items():
569
view = self.wf_socket.get_view(wf_id)
570
mid_x = view["geometry"]["x"] + view["geometry"]["width"] / 2
571
mid_y = view["geometry"]["y"] + view["geometry"]["height"] / 2
572
output_width = output["geometry"]["width"]
573
output_height = output["geometry"]["height"]
574
if 0 <= mid_x < output_width and 0 <= mid_y < output_height and button.output == self.my_output:
575
# It is in this workspace; keep it
576
if button.get_parent() is None:
577
self.append(button)
578
else:
579
# Remove it from this window list
580
if button.get_parent() is self:
581
self.remove(button)
582
def get_wl_resources(self, widget):
584
if self.wf_socket is not None:
585
self.filter_to_wf_workspace()
586
if self.wl_shm:
588
return
589
self.my_output = None
591
self.wl_seat = self.get_root().get_application().wl_seat
592
self.output = None
593
self.wl_shm = self.get_root().get_application().wl_shm
594
self.screencopy_manager = self.get_root().get_application().screencopy_manager
595
self.live_preview_output_name = None
596
def set_live_preview_output(self, output):
598
self.output = output
599
def get_live_preview_output(self):
601
return self.output
602
def wl_output_enter(self, output, name):
604
self.set_live_preview_output(None)
605
if name.startswith("live-preview"):
606
self.set_live_preview_output(output)
607
return
608
if name.startswith("live-preview"):
609
return
610
if not self.my_output and name == self.get_root().monitor_name:
611
self.wl_surface = None
612
if self.get_root().get_native().get_surface():
613
wl_surface_ptr = gtk.gdk_wayland_surface_get_wl_surface(
614
ffi.cast("void *", ctypes.pythonapi.PyCapsule_GetPointer(
615
self.get_root().get_native().get_surface().__gpointer__, None)))
616
self.wl_surface = WlSurface()
617
self.wl_surface._ptr = wl_surface_ptr
618
self.my_output = output
619
else:
620
toplevel_buttons = self.toplevel_buttons.copy()
621
for handle in toplevel_buttons:
622
button = self.toplevel_buttons[handle]
623
if output != button.output:
624
self.foreign_toplevel_closed(handle)
625
def foreign_toplevel_output_enter(self, handle, output):
627
if self.show_only_this_output and (not hasattr(output, "name") or output.name != self.get_root().monitor_name):
628
return
629
button = WindowButton(handle, handle.title, self)
631
button.icon.set_pixel_size(self.icon_size)
632
button.output = output
633
self.set_title(button, handle.title)
634
button.set_group(self.initial_button)
635
button.set_layout_manager(WindowButtonLayoutManager(self.window_button_options, button))
636
button.connect("clicked", self.on_button_click)
637
self.set_app_id(button, handle.app_id)
638
self.toplevel_buttons[handle] = button
639
if handle.app_id.rsplit(maxsplit=1)[-1].startswith("wf-ipc-"):
640
wf_output = self.get_wf_output_by_name(self.get_root().monitor_name)
641
wf_id = int(handle.app_id.rsplit(maxsplit=1)[-1].removeprefix("wf-ipc-"))
642
view = self.wf_socket.get_view(wf_id)
643
mid_x = view["geometry"]["x"] + view["geometry"]["width"] / 2
644
mid_y = view["geometry"]["y"] + view["geometry"]["height"] / 2
645
output_width = wf_output["geometry"]["width"]
646
output_height = wf_output["geometry"]["height"]
647
if 0 <= mid_x < output_width and 0 <= mid_y < output_height and button.output == self.my_output:
648
# It is in this workspace; keep it
649
if button.get_parent() is None:
650
self.append(button)
651
else:
652
self.append(button)
653
def foreign_toplevel_output_leave(self, handle, output):
655
if handle in self.toplevel_buttons:
656
button = self.toplevel_buttons[handle]
657
if button.get_parent() == self:
658
button.output = None
659
self.remove(button)
660
self.set_all_rectangles()
661
def set_title(self, button, title):
663
button.window_title = title
664
if not self.live_preview_tooltips:
665
button.set_tooltip_text(title)
666
def foreign_toplevel_title(self, handle, title):
668
handle.title = title
669
if handle in self.toplevel_buttons:
670
button = self.toplevel_buttons[handle]
671
self.set_title(button, title)
672
def set_all_rectangles(self):
674
child = self.get_first_child()
675
while child is not None and self.wl_surface:
676
if isinstance(child, WindowButton):
677
x, y, w, h = get_widget_rect(child)
678
if w > 0 and h > 0:
679
child.window_id.set_rectangle(self.wl_surface, x, y, w, h)
680
child = child.get_next_sibling()
682
def on_button_click(self, button: WindowButton):
684
# Set a rectangle for animation
685
button.window_id.set_rectangle(self.wl_surface, *get_widget_rect(button))
686
if button.window_state.minimised:
687
button.window_id.activate(self.wl_seat)
688
else:
689
if button.window_state.focused:
690
button.window_id.set_minimized()
691
else:
692
button.window_id.activate(self.wl_seat)
693
def foreign_toplevel_state(self, handle, states):
695
if handle in self.toplevel_buttons:
696
state_info = WindowState.from_state_array(states)
697
button = self.toplevel_buttons[handle]
698
button.window_state = state_info
699
if state_info.focused:
700
button.set_active(True)
701
else:
702
self.initial_button.set_active(True)
703
def foreign_toplevel_refresh(self):
705
for button in self.toplevel_buttons.values():
706
self.remove(button)
707
self.toplevel_buttons.clear()
709
self.toplevel_buttons_by_wf_id.clear()
710
def set_app_id(self, button, app_id):
712
button.app_id = app_id
713
button.set_icon_from_app_id(app_id)
714
app_ids = app_id.split()
715
for app_id in app_ids:
716
if app_id.startswith("wf-ipc-"):
717
self.toplevel_buttons_by_wf_id[int(app_id.removeprefix("wf-ipc-"))] = button
718
def foreign_toplevel_app_id(self, handle, app_id):
720
handle.app_id = app_id
721
if handle in self.toplevel_buttons:
722
button = self.toplevel_buttons[handle]
723
self.set_app_id(button, app_id)
724
def foreign_toplevel_closed(self, handle):
726
if handle not in self.toplevel_buttons:
727
return
728
button: WindowButton = self.toplevel_buttons[handle]
729
wf_id = button.wf_ipc_id
730
if handle in self.toplevel_buttons:
731
self.remove(self.toplevel_buttons[handle])
732
self.toplevel_buttons.pop(handle)
733
if wf_id in self.toplevel_buttons_by_wf_id:
734
self.toplevel_buttons_by_wf_id.pop(wf_id)
735
self.set_all_rectangles()
737
def make_context_menu(self):
739
menu = Gio.Menu()
740
menu.append(_("Window list _options"), "applet.options")
741
context_menu = Gtk.PopoverMenu.new_from_model(menu)
742
context_menu.set_has_arrow(False)
743
context_menu.set_parent(self)
744
context_menu.set_halign(Gtk.Align.START)
745
context_menu.set_flags(Gtk.PopoverMenuFlags.NESTED)
746
return context_menu
747
def show_context_menu(self, gesture, n_presses, x, y):
749
rect = Gdk.Rectangle()
750
rect.x = int(x)
751
rect.y = int(y)
752
rect.width = 1
753
rect.height = 1
754
self.context_menu.set_pointing_to(rect)
756
self.context_menu.popup()
757
def show_options(self, _0=None, _1=None):
759
if self.options_window is None:
760
self.options_window = WindowListOptions()
761
self.options_window.button_width_adjustment.set_value(self.window_button_options.max_width)
762
self.options_window.button_width_adjustment.connect("value-changed", self.update_button_options)
763
self.options_window.workspace_filter_checkbutton.set_active(self.show_only_this_wf_workspace)
764
self.options_window.workspace_filter_checkbutton.connect("toggled", self.update_workspace_filter)
765
def reset_window(*args):
767
self.options_window = None
768
self.options_window.connect("close-request", reset_window)
770
self.options_window.present()
771
def remove_workspace_filtering(self):
773
for button in self.toplevel_buttons.values():
774
if button.get_parent() is None:
775
self.append(button)
776
def update_workspace_filter(self, checkbutton):
778
self.show_only_this_wf_workspace = checkbutton.get_active()
779
if checkbutton.get_active():
780
self.filter_to_wf_workspace()
781
else:
782
self.remove_workspace_filtering()
783
def update_button_options(self, adjustment):
785
self.window_button_options.max_width = adjustment.get_value()
786
child: Gtk.Widget = self.get_first_child()
787
while child:
788
child.queue_allocate()
789
child.queue_resize()
790
child.queue_draw()
791
child = child.get_next_sibling()
792
self.emit("config-changed")
794
def get_config(self):
796
return {
797
"max_button_width": self.window_button_options.max_width,
798
"show_only_this_wf_workspace": self.show_only_this_wf_workspace,
799
"show_only_this_output": self.show_only_this_output,
800
}
801
def make_draggable(self):
803
for button in self.toplevel_buttons.values():
804
button.remove_controller(button.drag_source)
805
button.set_sensitive(False)
806
def restore_drag(self):
808
for button in self.toplevel_buttons.values():
809
button.add_controller(button.drag_source)
810
button.set_sensitive(True)
811