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42 changes: 30 additions & 12 deletions lib/pynput/mouse/_darwin.py
Original file line number Diff line number Diff line change
Expand Up @@ -52,13 +52,26 @@ def _button_value(base_name, mouse_button):
)


class Button(enum.Enum):
"""The various buttons."""

unknown = None
left = _button_value('kCGEventLeft', 0)
middle = _button_value('kCGEventOther', 2)
right = _button_value('kCGEventRight', 1)
_BUTTON_NAMES = [
'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten',
'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen',
'seventeen', 'eighteen', 'nineteen', 'twenty', 'twenty_one',
'twenty_two', 'twenty_three', 'twenty_four', 'twenty_five',
'twenty_six', 'twenty_seven', 'twenty_eight', 'twenty_nine',
'thirty', 'thirty_one', 'thirty_two'
]

_names = [
('unknown', None),
('left', _button_value('kCGEventLeft', 0)),
('middle', _button_value('kCGEventOther', 2)),
('right', _button_value('kCGEventRight', 1)),
]
for i, name in enumerate(_BUTTON_NAMES, start=3):
_names.append((name, _button_value('kCGEventOther', i)))

Button = enum.Enum('Button', _names, module=__name__)
Button.__doc__ = "The various buttons."


class Controller(_base.Controller):
Expand Down Expand Up @@ -190,16 +203,21 @@ def _handle_message(self, _proxy, event_type, event, _refcon, injected):
self.on_scroll(px, py, dx, dy, injected)

else:
button_number = Quartz.CGEventGetIntegerValueField(
event, Quartz.kCGMouseEventButtonNumber)
for button in Button:
try:
(press, release, drag), _ = button.value
(press, release, drag), btn_num = button.value
except TypeError:
# Button.unknown cannot be enumerated
continue

# Press and release generate click events, and drag
# generates move events
if event_type in (press, release):
self.on_click(px, py, button, event_type == press, injected)
elif event_type == drag:
self.on_move(px, py, injected)
if button_number == btn_num:
if event_type in (press, release):
self.on_click(px, py, button, event_type == press, injected)
break
elif event_type == drag:
self.on_move(px, py, injected)
break