terminator/terminatorlib/window.py

1010 lines
35 KiB
Python

# Terminator by Chris Jones <cmsj@tenshu.net>
# GPL v2 only
"""window.py - class for the main Terminator window"""
import copy
import time
import uuid
import gi
from gi.repository import GObject
from gi.repository import Gtk, Gdk
from .util import dbg, err, make_uuid, display_manager
try:
from gi.repository import GdkX11
except ImportError:
dbg("could not import X11 gir module")
from . import util
from .translation import _
from .version import APP_NAME
from .container import Container
from .factory import Factory
from .terminator import Terminator
if display_manager() == 'X11':
try:
gi.require_version('Keybinder', '3.0')
from gi.repository import Keybinder
Keybinder.init()
Keybinder.set_use_cooked_accelerators(False)
except (ImportError, ValueError):
err('Unable to load Keybinder module. This means the \
hide_window shortcut will be unavailable')
# pylint: disable-msg=R0904
class Window(Container, Gtk.Window):
"""Class implementing a top-level Terminator window"""
terminator = None
title = None
isfullscreen = None
ismaximised = None
isDestroyed = False
hidebound = None
hidefunc = None
losefocus_time = 0
position = None
ignore_startup_show = None
set_pos_by_ratio = None
last_active_term = None
preventHide = None
zoom_data = None
term_zoomed = False
__gproperties__ = {
'term_zoomed': (GObject.TYPE_BOOLEAN,
'terminal zoomed',
'whether the terminal is zoomed',
False,
GObject.PARAM_READWRITE)
}
def __init__(self):
"""Class initialiser"""
self.terminator = Terminator()
self.terminator.register_window(self)
Container.__init__(self)
GObject.GObject.__init__(self)
GObject.type_register(Window)
self.register_signals(Window)
self.get_style_context().add_class("terminator-terminal-window")
# self.set_property('allow-shrink', True) # FIXME FOR GTK3, or do we need this actually?
icon_to_apply=''
self.register_callbacks()
self.apply_config()
self.title = WindowTitle(self)
self.title.update()
self.preventHide = False
options = self.config.options_get()
if options:
if options.forcedtitle:
self.title.force_title(options.forcedtitle)
if options.role:
self.set_role(options.role)
if options.forcedicon is not None:
icon_to_apply = options.forcedicon
if options.geometry:
if not self.parse_geometry(options.geometry):
err('Window::__init__: Unable to parse geometry: %s' %
options.geometry)
self.apply_icon(icon_to_apply)
self.pending_set_rough_geometry_hint = False
def do_get_property(self, prop):
"""Handle gobject getting a property"""
if prop.name in ['term_zoomed', 'term-zoomed']:
return(self.term_zoomed)
else:
raise AttributeError('unknown property %s' % prop.name)
def do_set_property(self, prop, value):
"""Handle gobject setting a property"""
if prop.name in ['term_zoomed', 'term-zoomed']:
self.term_zoomed = value
else:
raise AttributeError('unknown property %s' % prop.name)
def register_callbacks(self):
"""Connect the GTK+ signals we care about"""
self.connect('key-press-event', self.on_key_press)
self.connect('button-press-event', self.on_button_press)
self.connect('delete_event', self.on_delete_event)
self.connect('destroy', self.on_destroy_event)
self.connect('window-state-event', self.on_window_state_changed)
self.connect('focus-out-event', self.on_focus_out)
self.connect('focus-in-event', self.on_focus_in)
# Attempt to grab a global hotkey for hiding the window.
# If we fail, we'll never hide the window, iconifying instead.
if self.config['keybindings']['hide_window'] not in ('', None):
if display_manager() == 'X11':
try:
self.hidebound = Keybinder.bind(
self.config['keybindings']['hide_window'],
self.on_hide_window)
except (KeyError, NameError):
pass
if not self.hidebound:
err('Unable to bind hide_window key, another instance/window has it.')
self.hidefunc = self.iconify
else:
self.hidefunc = self.hide
def apply_config(self):
"""Apply various configuration options"""
options = self.config.options_get()
maximise = self.config['window_state'] == 'maximise'
fullscreen = self.config['window_state'] == 'fullscreen'
hidden = self.config['window_state'] == 'hidden'
borderless = self.config['borderless']
skiptaskbar = self.config['hide_from_taskbar']
alwaysontop = self.config['always_on_top']
sticky = self.config['sticky']
if options:
if options.maximise:
maximise = True
if options.fullscreen:
fullscreen = True
if options.hidden:
hidden = True
if options.borderless:
borderless = True
self.set_fullscreen(fullscreen)
self.set_maximised(maximise)
self.set_borderless(borderless)
self.set_always_on_top(alwaysontop)
self.set_real_transparency()
self.set_sticky(sticky)
if self.hidebound:
self.set_hidden(hidden)
self.set_skip_taskbar_hint(skiptaskbar)
else:
self.set_iconified(hidden)
def apply_icon(self, requested_icon):
"""Set the window icon"""
icon_theme = Gtk.IconTheme.get_default()
icon_name_list = [APP_NAME] # disable self.wmclass_name, n/a in GTK3
if requested_icon:
try:
self.set_icon_from_file(requested_icon)
return
except (NameError, GObject.GError):
dbg('Unable to load %s icon as file' % (repr(requested_icon)))
icon_name_list.insert(0, requested_icon)
for icon_name in icon_name_list:
# Test if the icon is available first
if icon_theme.lookup_icon(icon_name, 48, 0):
self.set_icon_name(icon_name)
return # Success! We're done.
else:
dbg('Unable to load %s icon' % (icon_name))
icon = self.render_icon(Gtk.STOCK_DIALOG_INFO, Gtk.IconSize.BUTTON)
self.set_icon(icon)
def on_key_press(self, window, event):
"""Handle a keyboard event"""
maker = Factory()
self.set_urgency_hint(False)
mapping = self.terminator.keybindings.lookup(event)
if mapping:
dbg('Window::on_key_press: looked up %r' % mapping)
if mapping == 'full_screen':
self.set_fullscreen(not self.isfullscreen)
elif mapping == 'close_window':
if not self.on_delete_event(window,
Gdk.Event.new(Gdk.EventType.DELETE)):
self.on_destroy_event(window,
Gdk.Event.new(Gdk.EventType.DESTROY))
else:
return(False)
return(True)
def on_button_press(self, window, event):
"""Handle a mouse button event. Mainly this is just a clean way to
cancel any urgency hints that are set."""
self.set_urgency_hint(False)
return(False)
def on_focus_out(self, window, event):
"""Focus has left the window"""
for terminal in self.get_visible_terminals():
terminal.on_window_focus_out()
self.losefocus_time = time.time()
if self.preventHide:
self.preventHide = False
else:
if self.config['hide_on_lose_focus'] and self.get_property('visible'):
self.position = self.get_position()
self.hidefunc()
def on_focus_in(self, window, event):
"""Focus has entered the window"""
self.set_urgency_hint(False)
if not self.terminator.doing_layout:
self.terminator.last_active_window = self.uuid
# FIXME: Cause the terminal titlebars to update here
def is_child_notebook(self):
"""Returns True if this Window's child is a Notebook"""
maker = Factory()
return(maker.isinstance(self.get_child(), 'Notebook'))
def tab_new(self, widget=None, debugtab=False, _param1=None, _param2=None):
"""Make a new tab"""
if self.is_zoomed():
self.unzoom()
cwd = None
profile = None
if widget:
cwd = widget.get_cwd()
profile = widget.get_profile()
maker = Factory()
if not self.is_child_notebook():
dbg('Making a new Notebook')
notebook = maker.make('Notebook', window=self)
self.show()
self.present()
return self.get_child().newtab(debugtab, cwd=cwd, profile=profile)
def on_delete_event(self, window, event, data=None):
"""Handle a window close request"""
maker = Factory()
if maker.isinstance(self.get_child(), 'Terminal'):
if self.is_zoomed():
return(self.confirm_close(window, _('window')))
else:
dbg('Window::on_delete_event: Only one child, closing is fine')
return(False)
elif maker.isinstance(self.get_child(), 'Container'):
return(self.confirm_close(window, _('window')))
else:
dbg('unknown child: %s' % self.get_child())
def confirm_close(self, window, type):
"""Display a confirmation dialog when the user is closing multiple
terminals in one window"""
return(not (self.construct_confirm_close(window, type) == Gtk.ResponseType.ACCEPT))
def on_destroy_event(self, widget, data=None):
"""Handle window destruction"""
dbg('destroying self')
for terminal in self.get_terminals():
terminal.close()
self.cnxids.remove_all()
self.terminator.deregister_window(self)
self.isDestroyed = True
self.destroy()
del(self)
def on_hide_window(self, data=None):
"""Handle a request to hide/show the window"""
if not self.isDestroyed:
if not self.get_property('visible'):
#Don't show if window has just been hidden because of
#lost focus
if (time.time() - self.losefocus_time < 0.1) and \
self.config['hide_on_lose_focus']:
return
if self.position:
self.move(self.position[0], self.position[1])
self.show()
self.grab_focus()
try:
t = GdkX11.x11_get_server_time(self.get_window())
except (TypeError, AttributeError):
t = 0
self.get_window().focus(t)
else:
self.position = self.get_position()
self.hidefunc()
# pylint: disable-msg=W0613
def on_window_state_changed(self, window, event):
"""Handle the state of the window changing"""
self.isfullscreen = bool(event.new_window_state &
Gdk.WindowState.FULLSCREEN)
self.ismaximised = bool(event.new_window_state &
Gdk.WindowState.MAXIMIZED)
dbg('Window::on_window_state_changed: fullscreen=%s, maximised=%s' \
% (self.isfullscreen, self.ismaximised))
return(False)
def set_maximised(self, value):
"""Set the maximised state of the window from the supplied value"""
if value == True:
self.maximize()
else:
self.unmaximize()
def set_fullscreen(self, value):
"""Set the fullscreen state of the window from the supplied value"""
if value == True:
self.fullscreen()
else:
self.unfullscreen()
def set_borderless(self, value):
"""Set the state of the window border from the supplied value"""
self.set_decorated (not value)
def set_hidden(self, value):
"""Set the visibility of the window from the supplied value"""
if value == True:
self.ignore_startup_show = True
else:
self.ignore_startup_show = False
def set_iconified(self, value):
"""Set the minimised state of the window from the supplied value"""
if value == True:
self.iconify()
def set_always_on_top(self, value):
"""Set the always on top window hint from the supplied value"""
self.set_keep_above(value)
def set_sticky(self, value):
"""Set the sticky hint from the supplied value"""
if value == True:
self.stick()
def set_real_transparency(self, value=True):
"""Enable RGBA if supported on the current screen"""
if self.is_composited() == False:
value = False
screen = self.get_screen()
if value:
dbg('setting rgba visual')
visual = screen.get_rgba_visual()
if visual:
self.set_visual(visual)
def show(self, startup=False):
"""Undo the startup show request if started in hidden mode"""
#Present is necessary to grab focus when window is hidden from taskbar.
#It is important to call present() before show(), otherwise the window
#won't be brought to front if an another application has the focus.
#Last note: present() will implicitly call Gtk.Window.show()
self.present()
#Window must be shown, then hidden for the hotkeys to be registered
if (self.ignore_startup_show and startup == True):
self.position = self.get_position()
self.hide()
def add(self, widget, metadata=None):
"""Add a widget to the window by way of Gtk.Window.add()"""
maker = Factory()
Gtk.Window.add(self, widget)
if maker.isinstance(widget, 'Terminal'):
signals = {'close-term': self.closeterm,
'title-change': self.title.set_title,
'split-horiz': self.split_horiz,
'split-vert': self.split_vert,
'resize-term': self.resizeterm,
'unzoom': self.unzoom,
'tab-change': self.tab_change,
'group-all': self.group_all,
'group-all-toggle': self.group_all_toggle,
'ungroup-all': self.ungroup_all,
'group-win': self.group_win,
'group-win-toggle': self.group_win_toggle,
'ungroup-win': self.ungroup_win,
'group-tab': self.group_tab,
'group-tab-toggle': self.group_tab_toggle,
'ungroup-tab': self.ungroup_tab,
'move-tab': self.move_tab,
'tab-new': [self.tab_new, widget],
'navigate': self.navigate_terminal,
'rotate-cw': [self.rotate, True],
'rotate-ccw': [self.rotate, False]}
for signal in signals:
args = []
handler = signals[signal]
if isinstance(handler, list):
args = handler[1:]
handler = handler[0]
self.connect_child(widget, signal, handler, *args)
widget.grab_focus()
def remove(self, widget):
"""Remove our child widget by way of Gtk.Window.remove()"""
Gtk.Window.remove(self, widget)
self.disconnect_child(widget)
return(True)
def get_children(self):
"""Return a single list of our child"""
children = []
children.append(self.get_child())
return(children)
def hoover(self):
"""Ensure we still have a reason to exist"""
if not self.get_child():
self.emit('destroy')
def closeterm(self, widget):
"""Handle a terminal closing"""
Container.closeterm(self, widget)
self.hoover()
def split_axis(self, widget, vertical=True, cwd=None, sibling=None, widgetfirst=True):
"""Split the window"""
if self.is_zoomed():
self.unzoom()
widget.get_parent().split_axis(widget, vertical, cwd, sibling, widgetfirst)
return
order = None
maker = Factory()
self.remove(widget)
if vertical:
container = maker.make('VPaned')
else:
container = maker.make('HPaned')
self.set_pos_by_ratio = True
if not sibling:
sibling = maker.make('Terminal')
sibling.set_cwd(cwd)
if self.config['always_split_with_profile']:
sibling.force_set_profile(None, widget.get_profile())
sibling.spawn_child()
if widget.group and self.config['split_to_group']:
sibling.set_group(None, widget.group)
elif self.config['always_split_with_profile']:
sibling.force_set_profile(None, widget.get_profile())
self.add(container)
container.show_all()
order = [widget, sibling]
if widgetfirst is False:
order.reverse()
for term in order:
container.add(term)
container.show_all()
while Gtk.events_pending():
Gtk.main_iteration_do(False)
sibling.grab_focus()
self.set_pos_by_ratio = False
def resizeterm(self, widget, keyname):
"""Handle a keyboard event requesting a terminal resize"""
# if not zoomed, then ignore the signal: there is only one terminal
if self.is_zoomed():
self.unzoom()
widget.get_parent().resizeterm(widget, keyname)
def is_zoomed(self):
"""Return True if the window has a zoomed terminal, False otherwise"""
try:
# 'is True' just in case we get something that is not a boolean
return self.get_property('term_zoomed') is True
except TypeError:
err('failed to get "term_zoomed" property')
return False
def zoom(self, widget, font_scale=True):
"""Zoom a terminal widget"""
children = self.get_children()
if widget in children:
# This widget is a direct child of ours and we're a Window
# so zooming is a no-op
return
self.zoom_data = widget.get_zoom_data()
self.zoom_data['widget'] = widget
self.zoom_data['old_child'] = children[0]
self.zoom_data['font_scale'] = font_scale
self.remove(self.zoom_data['old_child'])
self.zoom_data['old_parent'].remove(widget)
self.add(widget)
self.set_property('term_zoomed', True)
if font_scale:
widget.cnxids.new(widget, 'size-allocate',
widget.zoom_scale, self.zoom_data)
widget.grab_focus()
def unzoom(self, widget=None):
"""Restore normal terminal layout"""
if not self.is_zoomed():
# We're not zoomed anyway
dbg('Window::unzoom: not zoomed, no-op')
return
widget = self.zoom_data['widget']
if self.zoom_data['font_scale']:
widget.vte.set_font(self.zoom_data['old_font'])
self.remove(widget)
self.add(self.zoom_data['old_child'])
self.zoom_data['old_parent'].add(widget)
widget.grab_focus()
self.zoom_data = None
self.set_property('term_zoomed', False)
def rotate(self, widget, clockwise):
"""Rotate children in this window"""
if self.is_zoomed():
self.unzoom()
while Gtk.events_pending():
Gtk.main_iteration_do(False)
self.set_pos_by_ratio = True
maker = Factory()
child = self.get_child()
# If our child is a Notebook, reset to work from its visible child
if maker.isinstance(child, 'Notebook'):
pagenum = child.get_current_page()
child = child.get_nth_page(pagenum)
if maker.isinstance(child, 'Paned'):
parent = child.get_parent()
# Need to get the allocation before we remove the child,
# otherwise _sometimes_ we get incorrect values.
alloc = child.get_allocation()
parent.remove(child)
child.rotate_recursive(parent, alloc.width, alloc.height, clockwise)
self.show_all()
while Gtk.events_pending():
Gtk.main_iteration_do(False)
widget.grab_focus()
self.set_pos_by_ratio = False
def get_terminals(self):
return(util.enumerate_descendants(self)[1])
def get_visible_terminals(self):
"""Walk down the widget tree to find all of the visible terminals.
Mostly using Container::get_visible_terminals()"""
terminals = {}
if not hasattr(self, 'cached_maker'):
self.cached_maker = Factory()
maker = self.cached_maker
child = self.get_child()
if not child:
return([])
# If our child is a Notebook, reset to work from its visible child
if maker.isinstance(child, 'Notebook'):
pagenum = child.get_current_page()
child = child.get_nth_page(pagenum)
if maker.isinstance(child, 'Container'):
terminals.update(child.get_visible_terminals())
elif maker.isinstance(child, 'Terminal'):
terminals[child] = child.get_allocation()
else:
err('Unknown child type %s' % type(child))
return(terminals)
def get_focussed_terminal(self):
"""Find which terminal we want to have focus"""
terminals = self.get_visible_terminals()
for terminal in terminals:
if terminal.vte.is_focus():
return(terminal)
return(None)
def deferred_set_rough_geometry_hints(self):
# no parameters are used in set_rough_geometry_hints, so we can
# use the set_rough_geometry_hints
if self.pending_set_rough_geometry_hint == True:
return
self.pending_set_rough_geometry_hint = True
GObject.idle_add(self.do_deferred_set_rough_geometry_hints)
def do_deferred_set_rough_geometry_hints(self):
self.pending_set_rough_geometry_hint = False
self.set_rough_geometry_hints()
def set_rough_geometry_hints(self):
"""Walk all the terminals along the top and left edges to fake up how
many columns/rows we sort of have"""
if self.ismaximised == True:
return
if not hasattr(self, 'cached_maker'):
self.cached_maker = Factory()
maker = self.cached_maker
if maker.isinstance(self.get_child(), 'Notebook'):
dbg("We don't currently support geometry hinting with tabs")
return
terminals = self.get_visible_terminals()
column_sum = 0
row_sum = 0
for terminal in terminals:
rect = terminal.get_allocation()
if rect.x == 0:
cols, rows = terminal.get_size()
row_sum = row_sum + rows
if rect.y == 0:
cols, rows = terminal.get_size()
column_sum = column_sum + cols
if column_sum == 0 or row_sum == 0:
dbg('column_sum=%s,row_sum=%s. No terminals found in >=1 axis' %
(column_sum, row_sum))
return
# FIXME: I don't think we should just use whatever font size info is on
# the last terminal we inspected. Looking up the default profile font
# size and calculating its character sizes would be rather expensive
# though.
font_width, font_height = terminal.get_font_size()
total_font_width = font_width * column_sum
total_font_height = font_height * row_sum
win_width, win_height = self.get_size()
extra_width = win_width - total_font_width
extra_height = win_height - total_font_height
dbg('setting geometry hints: (ewidth:%s)(eheight:%s),\
(fwidth:%s)(fheight:%s)' % (extra_width, extra_height,
font_width, font_height))
geometry = Gdk.Geometry()
geometry.base_width = extra_width
geometry.base_height = extra_height
geometry.width_inc = font_width
geometry.height_inc = font_height
self.set_geometry_hints(None, geometry, Gdk.WindowHints.BASE_SIZE | Gdk.WindowHints.RESIZE_INC)
def disable_geometry_hints(self):
self.set_geometry_hints(None, None, 0)
def tab_change(self, widget, num=None):
"""Change to a specific tab"""
if self.is_zoomed():
self.unzoom()
if num is None:
err('must specify a tab to change to')
maker = Factory()
child = self.get_child()
if not maker.isinstance(child, 'Notebook'):
dbg('child is not a notebook, nothing to change to')
return
if num == -1:
# Go to the next tab
cur = child.get_current_page()
pages = child.get_n_pages()
if cur == pages - 1:
num = 0
else:
num = cur + 1
elif num == -2:
# Go to the previous tab
cur = child.get_current_page()
if cur > 0:
num = cur - 1
else:
num = child.get_n_pages() - 1
child.set_current_page(num)
# Work around strange bug in gtk-2.12.11 and pygtk-2.12.1
# Without it, the selection changes, but the displayed page doesn't
# change
child.set_current_page(child.get_current_page())
def set_groups(self, new_group, term_list):
"""Set terminals in term_list to new_group"""
for terminal in term_list:
terminal.set_group(None, new_group)
self.terminator.focus_changed(self.terminator.last_focused_term)
def group_all(self, widget):
"""Group all terminals"""
# FIXME: Why isn't this being done by Terminator() ?
group = _('All')
self.terminator.create_group(group)
self.set_groups(group, self.terminator.terminals)
def group_all_toggle(self, widget):
"""Toggle grouping to all"""
if widget.group == 'All':
self.ungroup_all(widget)
else:
self.group_all(widget)
def ungroup_all(self, widget):
"""Ungroup all terminals"""
self.set_groups(None, self.terminator.terminals)
def group_win(self, widget):
"""Group all terminals in the current window"""
# FIXME: Why isn't this being done by Terminator() ?
dbg("Group Windows")
group = _('Window group %s' % (len(self.terminator.groups) + 1))
self.terminator.create_group(group)
self.set_groups(group, self.get_terminals())
def group_win_toggle(self, widget):
"""Toggle grouping to all windows in the current window"""
if widget.group == 'Window':
self.ungroup_win(widget)
else:
self.group_win(widget)
def ungroup_win(self, widget):
"""Ungroup all terminals in the current window"""
self.set_groups(None, self.get_terminals())
def group_tab(self, widget):
"""Group all terminals in the current tab"""
maker = Factory()
notebook = self.get_child()
if not maker.isinstance(notebook, 'Notebook'):
dbg('not in a notebook, refusing to group tab')
return
pagenum = notebook.get_current_page()
while True:
group = _('Tab %d') % pagenum
if group not in self.terminator.groups:
break
pagenum += 1
self.set_groups(group, self.get_visible_terminals())
def group_tab_toggle(self, widget):
"""Blah"""
if widget.group and widget.group[:4] == 'Tab ':
self.ungroup_tab(widget)
else:
self.group_tab(widget)
def ungroup_tab(self, widget):
"""Ungroup all terminals in the current tab"""
maker = Factory()
notebook = self.get_child()
if not maker.isinstance(notebook, 'Notebook'):
dbg('note in a notebook, refusing to ungroup tab')
return
self.set_groups(None, self.get_visible_terminals())
def move_tab(self, widget, direction):
"""Handle a keyboard shortcut for moving tab positions"""
if self.is_zoomed():
self.unzoom()
maker = Factory()
notebook = self.get_child()
if not maker.isinstance(notebook, 'Notebook'):
dbg('not in a notebook, refusing to move tab %s' % direction)
return
dbg('moving tab %s' % direction)
numpages = notebook.get_n_pages()
page = notebook.get_current_page()
child = notebook.get_nth_page(page)
if direction == 'left':
if page == 0:
page = numpages
else:
page = page - 1
elif direction == 'right':
if page == numpages - 1:
page = 0
else:
page = page + 1
else:
err('unknown direction: %s' % direction)
return
notebook.reorder_child(child, page)
def navigate_terminal(self, terminal, direction):
"""Navigate around terminals"""
if self.is_zoomed():
self.unzoom()
while Gtk.events_pending():
Gtk.main_iteration_do(False)
_containers, terminals = util.enumerate_descendants(self)
visibles = self.get_visible_terminals()
current = terminals.index(terminal)
length = len(terminals)
next = None
if length <= 1 or len(visibles) <= 1:
return
if direction in ['next', 'prev']:
tmpterms = copy.copy(terminals)
tmpterms = tmpterms[current+1:]
tmpterms.extend(terminals[0:current])
if direction == 'next':
tmpterms.reverse()
next = 0
while len(tmpterms) > 0:
tmpitem = tmpterms.pop()
if tmpitem in visibles:
next = terminals.index(tmpitem)
break
elif direction in ['left', 'right', 'up', 'down']:
layout = self.get_visible_terminals()
allocation = terminal.get_allocation()
possibles = []
# Get the co-ordinate of the appropriate edge for this direction
edge, p1, p2 = util.get_edge(allocation, direction)
# Find all visible terminals which are, in their entirity, in the
# direction we want to move, and are at least partially spanning
# p1 to p2
for term in layout:
rect = layout[term]
if util.get_nav_possible(edge, rect, direction, p1, p2):
possibles.append(term)
if len(possibles) == 0:
return
# Find out how far away each of the possible terminals is, then
# find the smallest distance. The winning terminals are all of
# those who are that distance away.
offsets = {}
for term in possibles:
rect = layout[term]
offsets[term] = util.get_nav_offset(edge, rect, direction)
keys = list(offsets.values())
keys.sort()
winners = [k for k, v in offsets.items() if v == keys[0]]
next = terminals.index(winners[0])
if len(winners) > 1:
# Break an n-way tie using the cursor position
cursor_x = allocation.x + allocation.width / 2
cursor_y = allocation.y + allocation.height / 2
for term in winners:
rect = layout[term]
if util.get_nav_tiebreak(direction, cursor_x, cursor_y,
rect):
next = terminals.index(term)
break;
else:
err('Unknown navigation direction: %s' % direction)
if next is not None:
terminals[next].grab_focus()
def create_layout(self, layout):
"""Apply any config items from our layout"""
if 'children' not in layout:
err('layout describes no children: %s' % layout)
return
children = layout['children']
if len(children) != 1:
# We're a Window, we can only have one child
err('incorrect number of children for Window: %s' % layout)
return
child = children[list(children.keys())[0]]
terminal = self.get_children()[0]
dbg('Making a child of type: %s' % child['type'])
if child['type'] == 'VPaned':
self.split_axis(terminal, True)
elif child['type'] == 'HPaned':
self.split_axis(terminal, False)
elif child['type'] == 'Notebook':
self.tab_new()
i = 2
while i < len(child['children']):
self.tab_new()
i = i + 1
elif child['type'] == 'Terminal':
pass
else:
err('unknown child type: %s' % child['type'])
return
self.get_children()[0].create_layout(child)
if 'last_active_term' in layout and layout['last_active_term'] not in ['', None]:
self.last_active_term = make_uuid(layout['last_active_term'])
if 'last_active_window' in layout and layout['last_active_window'] == 'True':
self.terminator.last_active_window = self.uuid
class WindowTitle(object):
"""Class to handle the setting of the window title"""
window = None
text = None
forced = None
def __init__(self, window):
"""Class initialiser"""
self.window = window
self.forced = False
def set_title(self, widget, text):
"""Set the title"""
if not self.forced:
self.text = text
self.update()
def force_title(self, newtext):
"""Force a specific title"""
if newtext:
self.set_title(None, newtext)
self.forced = True
else:
self.forced = False
def update(self):
"""Update the title automatically"""
title = None
# FIXME: What the hell is this for?!
if self.forced:
title = self.text
else:
title = "%s" % self.text
self.window.set_title(title)
# vim: set expandtab ts=4 sw=4: