- import logging
- from gi.repository import Gtk
- import lib.connection as Connection
- class CompositionToolbarController(object):
- """Manages Accelerators and Clicks on the Composition Toolbar-Buttons"""
- def __init__(self, drawing_area, win, uibuilder):
- self.log = logging.getLogger('CompositionToolbarController')
- accelerators = Gtk.AccelGroup()
- win.add_accel_group(accelerators)
- composites = [
- 'fullscreen',
- 'picture_in_picture',
- 'side_by_side_equal',
- 'side_by_side_preview'
- ]
- self.composite_btns = {}
- self.current_composition = None
- for idx, name in enumerate(composites):
- key, mod = Gtk.accelerator_parse('F%u' % (idx + 1))
- btn = uibuilder.find_widget_recursive(
- drawing_area,
- 'composite-' + name.replace('_', '-')
- )
- btn.set_name(name)
- # Thanks to http://stackoverflow.com/a/19739855/1659732
- btn.get_child().add_accelerator('clicked', accelerators,
- key, mod, Gtk.AccelFlags.VISIBLE)
- btn.connect('toggled', self.on_btn_toggled)
- self.composite_btns[name] = btn
- # connect event-handler and request initial state
- Connection.on('composite_mode', self.on_composite_mode)
- Connection.send('get_composite_mode')
- def on_btn_toggled(self, btn):
- if not btn.get_active():
- return
- btn_name = btn.get_name()
- if self.current_composition == btn_name:
- self.log.info('composition-mode already active: %s', btn_name)
- return
- self.log.info('composition-mode activated: %s', btn_name)
- Connection.send('set_composite_mode', btn_name)
- def on_composite_mode(self, mode):
- self.log.info('on_composite_mode callback w/ mode %s', mode)
- self.current_composition = mode
- self.composite_btns[mode].set_active(True)
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