# Released under the MIT License. See LICENSE for details.
#
"""Defines the nearby tab in the gather UI."""
from __future__ import annotations
import weakref
from typing import TYPE_CHECKING, override
import bauiv1 as bui
import bascenev1 as bs
from bauiv1lib.gather import GatherTab
if TYPE_CHECKING:
from typing import Any
from bauiv1lib.gather import GatherWindow
[docs]
class NetScanner:
"""Class for scanning for nearby games (lan, bluetooth, etc)."""
def __init__(
self,
tab: GatherTab,
scrollwidget: bui.Widget,
tab_button: bui.Widget,
width: float,
):
self._tab = weakref.ref(tab)
self._scrollwidget = scrollwidget
self._tab_button = tab_button
self._columnwidget = bui.columnwidget(
parent=self._scrollwidget, border=2, margin=0, left_border=10
)
bui.widget(edit=self._columnwidget, up_widget=tab_button)
self._width = width
self._last_selected_host: dict[str, Any] | None = None
self._update_timer = bui.AppTimer(
1.0, bui.WeakCall(self.update), repeat=True
)
# Go ahead and run a few *almost* immediately so we don't
# have to wait a second.
self.update()
bui.apptimer(0.25, bui.WeakCall(self.update))
def __del__(self) -> None:
bs.end_host_scanning()
def _on_select(self, host: dict[str, Any]) -> None:
self._last_selected_host = host
def _on_activate(self, host: dict[str, Any]) -> None:
bs.connect_to_party(host['address'])
[docs]
def update(self) -> None:
"""(internal)"""
# In case our UI was killed from under us.
if not self._columnwidget:
print(
f'ERROR: NetScanner running without UI at time {bui.apptime()}.'
)
return
t_scale = 1.6
for child in self._columnwidget.get_children():
child.delete()
# Grab this now this since adding widgets will change it.
last_selected_host = self._last_selected_host
hosts = bs.host_scan_cycle()
for i, host in enumerate(hosts):
txt3 = bui.textwidget(
parent=self._columnwidget,
size=(self._width / t_scale, 30),
selectable=True,
color=(1, 1, 1),
on_select_call=bui.Call(self._on_select, host),
on_activate_call=bui.Call(self._on_activate, host),
click_activate=True,
text=host['display_string'],
h_align='left',
v_align='center',
corner_scale=t_scale,
maxwidth=(self._width / t_scale) * 0.93,
)
if host == last_selected_host:
bui.containerwidget(
edit=self._columnwidget,
selected_child=txt3,
visible_child=txt3,
)
if i == 0:
bui.widget(edit=txt3, up_widget=self._tab_button)
[docs]
class NearbyGatherTab(GatherTab):
"""The nearby tab in the gather UI"""
def __init__(self, window: GatherWindow) -> None:
super().__init__(window)
self._net_scanner: NetScanner | None = None
self._container: bui.Widget | None = None
[docs]
@override
def on_activate(
self,
parent_widget: bui.Widget,
tab_button: bui.Widget,
region_width: float,
region_height: float,
region_left: float,
region_bottom: float,
) -> bui.Widget:
c_width = region_width
c_height = region_height - 20
sub_scroll_height = c_height - 85
sub_scroll_width = 650
self._container = bui.containerwidget(
parent=parent_widget,
position=(
region_left,
region_bottom + (region_height - c_height) * 0.5,
),
size=(c_width, c_height),
background=False,
selection_loops_to_parent=True,
)
v = c_height - 30
bui.textwidget(
parent=self._container,
position=(c_width * 0.5, v - 3),
color=(0.6, 1.0, 0.6),
scale=1.3,
size=(0, 0),
maxwidth=c_width * 0.9,
h_align='center',
v_align='center',
text=bui.Lstr(
resource='gatherWindow.' 'localNetworkDescriptionText'
),
)
v -= 15
v -= sub_scroll_height + 23
scrollw = bui.scrollwidget(
parent=self._container,
position=((region_width - sub_scroll_width) * 0.5, v),
size=(sub_scroll_width, sub_scroll_height),
)
self._net_scanner = NetScanner(
self, scrollw, tab_button, width=sub_scroll_width
)
bui.widget(edit=scrollw, autoselect=True, up_widget=tab_button)
return self._container
[docs]
@override
def on_deactivate(self) -> None:
self._net_scanner = None