Start a new class derived from Container for gtk.Notebook
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Chris Jones
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#!/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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import gtk
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from config import Config
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from util import dbg, err
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from translation import _
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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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terminator = None
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immutable = None
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children = None
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config = None
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signals = None
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cnxids = None
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def __init__(self):
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"""Class initialiser"""
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self.children = []
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self.signals = []
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self.cnxids = {}
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self.config = Config()
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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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existing = gobject.signal_list_names(widget)
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for signal in self.signals:
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if signal['name'] in existing:
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dbg('Container:: skipping signal %s for %s, already exists' % (
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signal['name'], widget))
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else:
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dbg('Container:: registering signal for %s on %s' %
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(signal['name'], widget))
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try:
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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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except RuntimeError:
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err('Container:: registering signal for %s on %s failed' %
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(signal['name'], widget))
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def connect_child(self, widget, signal, handler, data=None):
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"""Register the requested signal and record its connection ID"""
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if not self.cnxids.has_key(widget):
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self.cnxids[widget] = []
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if data is not None:
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self.cnxids[widget].append(widget.connect(signal, handler, data))
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dbg('Container::connect_child: connecting %s(%s) for %s::%s' %
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(handler.__name__, data, widget.__class__.__name__, signal))
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else:
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self.cnxids[widget].append(widget.connect(signal, handler))
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dbg('Container::connect_child: registering %s to handle %s::%s' %
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(handler.__name__, widget.__class__.__name__, signal))
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def disconnect_child(self, widget):
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"""De-register the signals for a child"""
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if self.cnxids.has_key(widget):
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for cnxid in self.cnxids[widget]:
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# FIXME: Look up the IDs to print a useful debugging message
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widget.disconnect(cnxid)
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del(self.cnxids[widget])
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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, sibling=None):
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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 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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try:
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if self.get_property('term_zoomed'):
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# We're zoomed, so unzoom and then start closing again
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dbg('Container::closeterm: terminal zoomed, unzooming')
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self.unzoom(widget)
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widget.close()
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return(True)
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except TypeError:
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pass
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if not self.remove(widget):
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return(False)
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self.terminator.deregister_terminal(widget)
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self.terminator.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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try:
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if self.get_property('term_zoomed'):
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self.unzoom(widget)
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else:
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self.zoom(widget, fontscale)
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except TypeError:
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err('Container::toggle_zoom: %s is unable to handle zooming, for \
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%s' % (self, widget))
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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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def construct_confirm_close(self, window, type):
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"""Create a confirmation dialog for closing things"""
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dialog = gtk.Dialog(_('Close?'), window, gtk.DIALOG_MODAL)
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dialog.set_has_separator(False)
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dialog.set_resizable(False)
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cancel = dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT)
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close_all = dialog.add_button(gtk.STOCK_CLOSE, gtk.RESPONSE_ACCEPT)
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label = close_all.get_children()[0].get_children()[0].get_children()[1].set_label(_('Close _Terminals'))
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primary = gtk.Label(_('<big><b>Close multiple temrinals?</b></big>'))
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primary.set_use_markup(True)
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primary.set_alignment(0, 0.5)
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secondary = gtk.Label(_('This %s has several terminals open. Closing the \
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%s will also close all terminals within it.') % (type, type))
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secondary.set_line_wrap(True)
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labels = gtk.VBox()
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labels.pack_start(primary, False, False, 6)
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labels.pack_start(secondary, False, False, 6)
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image = gtk.image_new_from_stock(gtk.STOCK_DIALOG_WARNING,
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gtk.ICON_SIZE_DIALOG)
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image.set_alignment(0.5, 0)
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box = gtk.HBox()
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box.pack_start(image, False, False, 6)
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box.pack_start(labels, False, False, 6)
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dialog.vbox.pack_start(box, False, False, 12)
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dialog.show_all()
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return(dialog)
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# vim: set expandtab ts=4 sw=4:
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