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from typing import Callable, List
from gi.repository import Gtk
class Accelerator:
def __init__(self, combo: str, cb: Callable):
self.combo = combo
self.cb = cb
def add_accelerators(
window: Gtk.Window,
shortcuts_l: List[Accelerator]
) -> Gtk.ShortcutController:
shortcut_controller = Gtk.ShortcutController()
shortcut_controller.set_scope(Gtk.ShortcutScope.GLOBAL)
for s in shortcuts_l:
__add_accelerator(
shortcut_controller, s.combo, s.cb
)
window.add_controller(shortcut_controller)
return shortcut_controller
def __add_accelerator(
controller: Gtk.ShortcutController, shortcut: str, callback: Callable
):
if shortcut:
# res is bool, don't know what it is
_, key, mod = Gtk.accelerator_parse(shortcut)
gshcut = Gtk.Shortcut(
trigger=Gtk.KeyvalTrigger(keyval=key, modifiers=mod),
action=Gtk.CallbackAction.new(callback)
)
controller.add_shortcut(gshcut)
def add_mouse_button_accel(
widget: Gtk.Widget, function: Callable,
propagation: Gtk.PropagationPhase = Gtk.PropagationPhase.BUBBLE
) -> Gtk.GestureClick:
'''Adds an accelerator for mouse btn press for widget to function.
NOTE: this returns the Gtk.Gesture, you need to keep this around or it
won't work. Assign it to some random variable and don't let it go out of
scope'''
gesture = Gtk.GestureClick.new()
gesture.set_button(0)
gesture.set_propagation_phase(propagation)
gesture.connect('pressed', function)
widget.add_controller(gesture)
return gesture
def add_longpress_accel(
widget: Gtk.Widget, function: Callable,
propagation: Gtk.PropagationPhase = Gtk.PropagationPhase.BUBBLE
) -> Gtk.GestureLongPress:
'''Adds an accelerator for mouse btn press for widget to function.
NOTE: this returns the Gtk.Gesture, you need to keep this around or it
won't work. Assign it to some random variable and don't let it go out of
scope'''
gesture = Gtk.GestureLongPress.new()
gesture.set_propagation_phase(propagation)
gesture.set_touch_only(False)
gesture.connect('pressed', function)
widget.add_controller(gesture)
return gesture
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