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