terminator/terminatorlib/notebook.py

386 lines
12 KiB
Python
Executable File

#!/usr/bin/python
# Terminator by Chris Jones <cmsj@tenshu.net>
# GPL v2 only
"""notebook.py - classes for the notebook widget"""
import gobject
import gtk
from terminator import Terminator
from config import Config
from factory import Factory
from container import Container
from editablelabel import EditableLabel
from translation import _
from util import err, dbg, get_top_window, enumerate_descendants
class Notebook(Container, gtk.Notebook):
"""Class implementing a gtk.Notebook container"""
window = None
def __init__(self, window):
"""Class initialiser"""
if isinstance(window.get_child(), gtk.Notebook):
err('There is already a Notebook at the top of this window')
raise(ValueError)
Container.__init__(self)
gtk.Notebook.__init__(self)
self.terminator = Terminator()
self.window = window
gobject.type_register(Notebook)
self.register_signals(Notebook)
self.configure()
child = window.get_child()
window.remove(child)
window.add(self)
self.newtab(child)
self.show_all()
def configure(self):
"""Apply widget-wide settings"""
# FIXME: The old reordered handler updated Terminator.terminals with
# the new order of terminals. We probably need to preserve this for
# navigation to next/prev terminals.
#self.connect('page-reordered', self.on_page_reordered)
self.set_property('homogeneous', not self.config['scroll_tabbar'])
self.set_scrollable(self.config['scroll_tabbar'])
pos = getattr(gtk, 'POS_%s' % self.config['tab_position'].upper())
self.set_tab_pos(pos)
self.set_show_tabs(not self.config['hide_tabbar'])
def create_layout(self, layout):
"""Apply layout configuration"""
if not layout.has_key('children'):
err('layout specifies no children: %s' % layout)
return
children = layout['children']
if len(children) <= 1:
#Notebooks should have two or more children
err('incorrect number of children for Notebook: %s' % layout)
return
pages = 2 # Notebooks always start with two pages
num = 0
keys = children.keys()
keys.sort()
for child_key in keys:
child = children[child_key]
if child['type'] == 'Terminal':
continue
elif child['type'] == 'VPaned':
page = self.get_nth_page(num)
self.split_axis(page, True)
elif child['type'] == 'HPaned':
page = self.get_nth_page(num)
self.split_axis(page, False)
num = num + 1
num = 0
for child_key in keys:
page = self.get_nth_page(num)
page.create_layout(children[child_key])
num = num + 1
def split_axis(self, widget, vertical=True, sibling=None, widgetlast=False):
"""Split the axis of a terminal inside us"""
order = None
page_num = self.page_num(widget)
if page_num == -1:
err('Notebook::split_axis: %s not found in Notebook' % widget)
return
label = self.get_tab_label(widget)
self.remove(widget)
maker = Factory()
if vertical:
container = maker.make('vpaned')
else:
container = maker.make('hpaned')
if not sibling:
sibling = maker.make('terminal')
sibling.spawn_child()
self.insert_page(container, None, page_num)
self.set_tab_label(container, label)
self.show_all()
order = [sibling, widget]
if widgetlast is True:
order.reverse()
for terminal in order:
container.add(terminal)
self.set_current_page(page_num)
self.show_all()
def add(self, widget):
"""Add a widget to the container"""
self.newtab(widget)
def remove(self, widget):
"""Remove a widget from the container"""
page_num = self.page_num(widget)
if page_num == -1:
err('%s not found in Notebook. Actual parent is: %s' %
(widget, widget.get_parent()))
return(False)
self.remove_page(page_num)
self.disconnect_child(widget)
return(True)
def newtab(self, widget=None):
"""Add a new tab, optionally supplying a child widget"""
maker = Factory()
top_window = get_top_window(self)
if not widget:
widget = maker.make('Terminal')
widget.spawn_child()
signals = {'close-term': self.wrapcloseterm,
'split-horiz': self.split_horiz,
'split-vert': self.split_vert,
'title-change': self.propagate_title_change,
'unzoom': self.unzoom,
'tab-change': top_window.tab_change,
'group-all': top_window.group_all,
'ungroup-all': top_window.ungroup_all,
'group-tab': top_window.group_tab,
'ungroup-tab': top_window.ungroup_tab,
'move-tab': top_window.move_tab,
'tab-new': top_window.tab_new,
'navigate': top_window.navigate_terminal}
if maker.isinstance(widget, 'Terminal'):
for signal in signals:
self.connect_child(widget, signal, signals[signal])
self.set_tab_reorderable(widget, True)
label = TabLabel(self.window.get_title(), self)
label.connect('close-clicked', self.closetab)
label.show_all()
widget.show_all()
self.append_page(widget, None)
self.set_tab_label(widget, label)
self.set_tab_label_packing(widget, not self.config['scroll_tabbar'],
not self.config['scroll_tabbar'],
gtk.PACK_START)
self.set_current_page(-1)
widget.grab_focus()
def wrapcloseterm(self, widget):
"""A child terminal has closed"""
dbg('Notebook::wrapcloseterm: called on %s' % widget)
if self.closeterm(widget):
dbg('Notebook::wrapcloseterm: closeterm succeeded')
self.hoover()
else:
dbg('Notebook::wrapcloseterm: closeterm failed')
def closetab(self, widget, label):
"""Close a tab"""
tabnum = None
try:
nb = widget.notebook
except AttributeError:
err('TabLabel::closetab: called on non-Notebook: %s' % widget)
return
for i in xrange(0, nb.get_n_pages()):
if label == nb.get_tab_label(nb.get_nth_page(i)):
tabnum = i
break
if not tabnum:
err('TabLabel::closetab: %s not in %s. Bailing.' % (label, nb))
return
maker = Factory()
child = nb.get_nth_page(tabnum)
if maker.isinstance(child, 'Terminal'):
dbg('Notebook::closetab: child is a single Terminal')
child.close()
elif maker.isinstance(child, 'Container'):
dbg('Notebook::closetab: child is a Container')
dialog = self.construct_confirm_close(self.window, _('tab'))
result = dialog.run()
dialog.destroy()
if result == gtk.RESPONSE_ACCEPT:
containers = None
objects = None
containers, objects = enumerate_descendants(child)
while len(objects) > 0:
descendant = objects.pop()
descendant.close()
while gtk.events_pending():
gtk.main_iteration()
return
else:
dbg('Notebook::closetab: user cancelled request')
return
else:
err('Notebook::closetab: child is unknown type %s' % child)
return
nb.remove_page(tabnum)
del(label)
def resizeterm(self, widget, keyname):
"""Handle a keyboard event requesting a terminal resize"""
raise NotImplementedError('resizeterm')
def zoom(self, widget, fontscale = False):
"""Zoom a terminal"""
raise NotImplementedError('zoom')
def unzoom(self, widget):
"""Unzoom a terminal"""
raise NotImplementedError('unzoom')
def find_tab_root(self, widget):
"""Look for the tab child which is or ultimately contains the supplied
widget"""
parent = widget.get_parent()
previous = parent
while parent is not None and parent is not self:
previous = parent
parent = parent.get_parent()
if previous == self:
return(widget)
else:
return(previous)
def update_tab_label_text(self, widget, text):
"""Update the text of a tab label"""
notebook = self.find_tab_root(widget)
label = self.get_tab_label(notebook)
if not label:
err('Notebook::update_tab_label_text: %s not found' % widget)
return
label.set_label(text)
def hoover(self):
"""Clean up any empty tabs and if we only have one tab left, die"""
numpages = self.get_n_pages()
while numpages > 0:
numpages = numpages - 1
page = self.get_nth_page(numpages)
if not page:
dbg('Removing empty page: %d' % numpages)
self.remove_page(numpages)
if self.get_n_pages() == 1:
dbg('Last page, removing self')
child = self.get_nth_page(0)
self.remove_page(0)
parent = self.get_parent()
parent.remove(self)
self.cnxids.remove_all()
parent.add(child)
del(self)
class TabLabel(gtk.HBox):
"""Class implementing a label widget for Notebook tabs"""
notebook = None
terminator = None
config = None
label = None
icon = None
button = None
__gsignals__ = {
'close-clicked': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_OBJECT,)),
}
def __init__(self, title, notebook):
"""Class initialiser"""
gtk.HBox.__init__(self)
self.__gobject_init__()
self.notebook = notebook
self.terminator = Terminator()
self.config = Config()
self.label = EditableLabel(title)
self.update_angle()
self.pack_start(self.label, True, True)
self.update_button()
self.show_all()
def set_label(self, text):
"""Update the text of our label"""
self.label.set_text(text)
def update_button(self):
"""Update the state of our close button"""
if not self.config['close_button_on_tab']:
if self.button:
self.button.remove(self.icon)
self.remove(self.button)
del(self.button)
del(self.icon)
self.button = None
self.icon = None
return
if not self.button:
self.button = gtk.Button()
if not self.icon:
self.icon = gtk.Image()
self.icon.set_from_stock(gtk.STOCK_CLOSE,
gtk.ICON_SIZE_MENU)
self.button.set_focus_on_click(False)
self.button.set_relief(gtk.RELIEF_NONE)
self.button.add(self.icon)
self.button.connect('clicked', self.on_close)
self.button.set_name('terminator-tab-close-button')
self.button.connect('style-set', self.on_style_set)
if hasattr(self.button, 'set_tooltip_text'):
self.button.set_tooltip_text(_('Close Tab'))
self.pack_start(self.button, False, False)
self.show_all()
def update_angle(self):
"""Update the angle of a label"""
position = self.notebook.get_tab_pos()
if position == gtk.POS_LEFT:
self.label.set_angle(90)
elif position == gtk.POS_RIGHT:
self.label.set_angle(270)
else:
self.label.set_angle(0)
def on_style_set(self, widget, prevstyle):
"""Style changed, recalculate icon size"""
x, y = gtk.icon_size_lookup_for_settings(self.button.get_settings(),
gtk.ICON_SIZE_MENU)
self.button.set_size_request(x + 2, y + 2)
def on_close(self, _widget):
"""The close button has been clicked. Destroy the tab"""
self.emit('close-clicked', self)
# vim: set expandtab ts=4 sw=4: