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import gi
gi.require_version('Gtk', '3.0')
import logging
from gi.repository import GObject, Gtk, Gdk
BUTTON_SPACING = 10
class PyATEMSwitcherGui():
def __init__(self, config, switcher):
self.log = logging.getLogger('GUI')
self.config = config
cssProvider = Gtk.CssProvider()
cssProvider.load_from_path('style.css')
screen = Gdk.Screen.get_default()
styleContext = Gtk.StyleContext()
styleContext.add_provider_for_screen(
screen,
cssProvider,
Gtk.STYLE_PROVIDER_PRIORITY_USER,
)
self.window = Gtk.Window()
self.window.connect("destroy", self._exit)
self.switcher = switcher
self.switcher.on_connect(self._switcher_connected)
self.switcher.on_connect_attempt(self._switcher_connect_attempt)
self.switcher.on_disconnect(self._switcher_disconnected)
self.window.set_border_width(BUTTON_SPACING)
self.header = Gtk.HeaderBar()
self.header.props.title = 'PyATEMSwitcherGui: Idle'
self.window.set_titlebar(self.header)
self.box = None
self.buttons = {}
def _exit(self, *args, **kwargs):
self.switcher.disconnect()
Gtk.main_quit(*args, **kwargs)
def _button_clicked(self, button, name):
# TODO actually do something
self.log.info(f'Button {name} was pressed')
for btn in self.buttons:
ctx = self.buttons[btn].get_style_context()
if btn == name:
self.log.debug(f'{btn}.add_class("selected")')
ctx.add_class('selected')
else:
self.log.debug(f'{btn}.remove_class("selected")')
ctx.remove_class('selected')
def _switcher_connected(self, params):
self.box = Gtk.FlowBox()
self.box.set_column_spacing(BUTTON_SPACING)
self.box.set_max_children_per_line(2)
self.box.set_row_spacing(BUTTON_SPACING)
self.box.set_selection_mode(Gtk.SelectionMode.NONE)
self.box.set_valign(Gtk.Align.START)
# TODO get input list from switcher
for i in range(1, 7):
self.buttons[f'input{i}'] = Gtk.Button.new_with_label(
f'input{i}'
)
self.buttons[f'input{i}'].connect(
'clicked',
self._button_clicked,
f'input{i}',
)
self.box.add(self.buttons[f'input{i}'])
self.window.add(self.box)
def _switcher_connect_attempt(self, params):
self.header.props.title = 'PyATEMSwitcherGui: Connecting ...'
def _switcher_disconnected(self, params):
if self.box is not None:
self.window.remove(self.box)
self.box = None
self.buttons = {}
self.header.props.title = 'PyATEMSwitcherGui: Not connected'
def _switcher_ping(self):
# TODO actually do something here
self.log.debug('_switcher_ping()')
return True
def main_loop(self):
self.switcher.connect()
self.window.show_all()
GObject.timeout_add(500, self._switcher_ping)
Gtk.main()
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