def focus_window(self, win: window.WindowType, surface: Surface = None):
if self.seat.destroyed:
return
if surface is None and win is not None:
surface = win.surface.surface
previous_surface = self.seat.keyboard_state.focused_surface
if previous_surface == surface:
return
if previous_surface is not None and previous_surface.is_xdg_surface:
# Deactivate the previously focused surface
previous_xdg_surface = XdgSurface.from_surface(previous_surface)
previous_xdg_surface.set_activated(False)
if not win:
self.seat.keyboard_clear_focus()
return
if isinstance(win.surface, LayerSurfaceV1):
if not win.surface.current.keyboard_interactive:
return
logger.debug("Focussing new window")
if surface.is_xdg_surface and isinstance(win.surface, XdgSurface):
win.surface.set_activated(True)
self.seat.keyboard_notify_enter(surface, self.seat.keyboard)
def focus_window(
self, win: window.WindowType, surface: Surface = None, enter: bool = True
) -> None:
if self.seat.destroyed:
return
if surface is None and win is not None:
if isinstance(win, base.Internal):
self.focused_internal = win
self.seat.keyboard_clear_focus()
return
surface = win.surface.surface
if self.focused_internal:
self.focused_internal = None
if isinstance(win.surface, LayerSurfaceV1):
if not win.surface.current.keyboard_interactive:
return
if isinstance(win.surface, xwayland.Surface):
if not win.surface.or_surface_wants_focus():
return
previous_surface = self.seat.keyboard_state.focused_surface
if previous_surface == surface:
return
if previous_surface is not None:
# Deactivate the previously focused surface
if previous_surface.is_xdg_surface:
previous_xdg_surface = XdgSurface.from_surface(previous_surface)
if not win or win.surface != previous_xdg_surface:
previous_xdg_surface.set_activated(False)
if previous_xdg_surface.data:
previous_xdg_surface.data.set_activated(False)
elif previous_surface.is_xwayland_surface:
prev_xwayland_surface = xwayland.Surface.from_wlr_surface(previous_surface)
if not win or win.surface != prev_xwayland_surface:
prev_xwayland_surface.activate(False)
if prev_xwayland_surface.data:
prev_xwayland_surface.data.set_activated(False)
if not win:
self.seat.keyboard_clear_focus()
return
logger.debug("Focussing new window")
if surface.is_xdg_surface and isinstance(win.surface, XdgSurface):
win.surface.set_activated(True)
win.ftm_handle.set_activated(True)
elif surface.is_xwayland_surface and isinstance(win.surface, xwayland.Surface):
win.surface.activate(True)
win.ftm_handle.set_activated(True)
if enter and self.seat.keyboard._ptr: # This pointer is NULL when headless
self.seat.keyboard_notify_enter(surface, self.seat.keyboard)
def server_new_xdg_surface(self, listener, xdg_surface: XdgSurface) -> None:
logger.info("new surface")
if xdg_surface.role == XdgSurfaceRole.POPUP:
# We must add xdg popups to the scene graph so they get rendered.
# The wlroots scene graph provides a helper for this, but to use it
# we must provide the proper parent scene node of the xdg popup. To
# enable this, we always set the user data field of xdg_surfaces to
# the corresponding scene node.
parent_xdg_surface = XdgSurface.from_surface(xdg_surface.popup.parent)
parent_scene_node = cast(SceneNode, parent_xdg_surface.data)
scene_node = SceneNode.xdg_surface_create(parent_scene_node, xdg_surface)
xdg_surface.data = scene_node
return
assert xdg_surface.role == XdgSurfaceRole.TOPLEVEL
scene_node = SceneNode.xdg_surface_create(self._scene.node, xdg_surface)
view = View(xdg_surface, self, scene_node)
self.views.append(view)
def focus_view(self,
view: View,
surface: Optional[Surface] = None) -> None:
"""Focus a given XDG surface
Moves the surface to the front of the list for rendering. Sets the
surface to receive keyboard events.
"""
logging.info("focus surface")
if surface is None:
surface = view.xdg_surface.surface
previous_surface = self._seat.keyboard_state.focused_surface
if previous_surface == surface:
# Don't re-focus an already focused surface
logging.info("Focus unchanged, exiting")
return
if previous_surface is not None:
# Deactivate the previously focused surface
logging.info("Un-focusing previous")
previous_xdg_surface = XdgSurface.from_surface(previous_surface)
previous_xdg_surface.set_activated(False)
# roll the given surface to the front of the list, copy and modify the
# list, then save back to prevent any race conditions on list
# modification
views = self.views[:]
views.remove(view)
views.append(view)
self.views = views
# activate the new surface
view.xdg_surface.set_activated(True)
# Tell the seat to have the keyboard enter this surface. wlroots will
# keep track of this and automatically send key events to the
# appropriate clients without additional work on your part.
keyboard = self._seat.keyboard
self._seat.keyboard_notify_enter(view.xdg_surface.surface, keyboard)