terminator/terminatorlib/container.py

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#!/usr/bin/python
# Terminator by Chris Jones <cmsj@tenshu.net>
# GPL v2 only
"""container.py - classes necessary to contain Terminal widgets"""
import gobject
from config import Config
from util import dbg
# pylint: disable-msg=R0921
class Container(object):
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"""Base class for Terminator Containers"""
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terminator = None
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immutable = None
children = None
config = None
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state_zoomed = None
states_zoom = { 'none' : 0,
'zoomed' : 1,
'maximised' : 2 }
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signals = []
def __init__(self):
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"""Class initialiser"""
self.children = []
self.config = Config()
self.state_zoomed = self.states_zoom['none']
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def register_signals(self, widget):
"""Register gobject signals in a way that avoids multiple inheritance"""
for signal in self.signals:
dbg("Container:: registering signal for %s on %s" % (signal['name'], widget))
gobject.signal_new(signal['name'],
widget,
signal['flags'],
signal['return_type'],
signal['param_types'])
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def get_offspring(self):
"""Return a list of child widgets, if any"""
return(self.children)
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def split_horiz(self, widget):
"""Split this container horizontally"""
return(self.split_axis(widget, True))
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def split_vert(self, widget):
"""Split this container vertically"""
return(self.split_axis(widget, False))
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def split_axis(self, widget, vertical=True):
"""Default axis splitter. This should be implemented by subclasses"""
raise NotImplementedError('split_axis')
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def unsplit(self, widget, keep=False):
"""Default unsplitter. This should be implemented by subclasses"""
raise NotImplementedError('unsplit')
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def add(self, widget):
"""Add a widget to the container"""
raise NotImplementedError('add')
def remove(self, widget):
"""Remove a widget from the container"""
raise NotImplementedError('remove')
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def closeterm(self, widget):
"""Handle the closure of a terminal"""
if self.state_zoomed != self.states_zoom['none']:
dbg('closeterm: current zoomed state is: %s' % self.state_zoomed)
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self.unzoom(widget)
if not self.remove(widget):
return(False)
self.terminator.deregister_terminal(widget)
self.terminator.group_hoover()
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return(True)
def resizeterm(self, widget, keyname):
"""Handle a keyboard event requesting a terminal resize"""
raise NotImplementedError('resizeterm')
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def toggle_zoom(self, widget, fontscale = False):
"""Toggle the existing zoom state"""
if self.state_zoomed != self.states_zoom['none']:
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self.unzoom(widget)
else:
self.zoom(widget, fontscale)
def zoom(self, widget, fontscale = False):
"""Zoom a terminal"""
raise NotImplementedError('zoom')
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def unzoom(self, widget):
"""Unzoom a terminal"""
raise NotImplementedError('unzoom')
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# vim: set expandtab ts=4 sw=4: