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Add entered/leaved signals to modemanager

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This commit is contained in:
Florian Bruhin 2014-04-23 17:56:36 +02:00
parent 8b5daad367
commit ce48ed9b8e
1 changed files with 18 additions and 2 deletions
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20
qutebrowser/utils/modemanager.py
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@ -23,7 +23,7 @@ Module attributes:
import logging import logging
from PyQt5.QtCore import QObject from PyQt5.QtCore import pyqtSignal, QObject
manager = None manager = None
@ -67,8 +67,17 @@ class ModeManager(QObject):
_source: The keypress source signal. _source: The keypress source signal.
_handlers: A dictionary of modes and their handlers. _handlers: A dictionary of modes and their handlers.
mode: The current mode. mode: The current mode.
Signals:
entered: Emitted when a mode is entered.
arg: Name of the entered mode.
leaved: Emitted when a mode is leaved.
arg: Name of the leaved mode.
""" """
entered = pyqtSignal(str)
leaved = pyqtSignal(str)
def __init__(self, sourcesig, parsers=None, parent=None): def __init__(self, sourcesig, parsers=None, parent=None):
"""Constructor. """Constructor.
@ -94,7 +103,12 @@ class ModeManager(QObject):
self._handlers[mode] = handler self._handlers[mode] = handler
def enter(self, mode): def enter(self, mode):
"""Enter a new mode.""" """Enter a new mode.
Emit:
leaved: With the old mode name.
entered: With the new mode name.
"""
oldmode = self.mode oldmode = self.mode
logging.debug("Switching mode: {} -> {}".format(oldmode, mode)) logging.debug("Switching mode: {} -> {}".format(oldmode, mode))
if oldmode is not None: if oldmode is not None:
@ -102,5 +116,7 @@ class ModeManager(QObject):
self._source.disconnect(self._handlers[oldmode]) self._source.disconnect(self._handlers[oldmode])
except TypeError: except TypeError:
logging.debug("Could not disconnect mode {}".format(oldmode)) logging.debug("Could not disconnect mode {}".format(oldmode))
self.leaved.emit(oldmode)
self._source.connect(self._handlers[mode]) self._source.connect(self._handlers[mode])
self.mode = mode self.mode = mode
self.entered.emit(mode)