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# Copyright (C) 2009-2013 Roman Zimbelmann <hut@lavabit.com>
# This software is distributed under the terms of the GNU GPL version 3.
"""The titlebar is the widget at the top, giving you broad overview.
It displays the current path among other things.
"""
from os.path import basename
from . import Widget
from ranger.gui.bar import Bar
class TitleBar(Widget):
old_thisfile = None
old_keybuffer = None
old_wid = None
result = None
throbber = ' '
need_redraw = False
tab_width = 0
def __init__(self, *args, **keywords):
Widget.__init__(self, *args, **keywords)
self.fm.signal_bind('tab.change', self.request_redraw, weak=True)
def request_redraw(self):
self.need_redraw = True
def draw(self):
if self.need_redraw or \
self.fm.thisfile != self.old_thisfile or\
str(self.fm.ui.keybuffer) != str(self.old_keybuffer) or\
self.wid != self.old_wid:
self.need_redraw = False
self.old_wid = self.wid
self.old_thisfile = self.fm.thisfile
self._calc_bar()
self._print_result(self.result)
if self.wid > 2:
self.color('in_titlebar', 'throbber')
self.addnstr(self.y, self.wid - 2 - self.tab_width,
self.throbber, 1)
def click(self, event):
"""Handle a MouseEvent"""
direction = event.mouse_wheel_direction()
if direction:
self.fm.tab_move(direction)
self.need_redraw = True
return True
if not event.pressed(1) or not self.result:
return False
pos = self.wid - 1
for tabname in reversed(self.fm._get_tab_list()):
tabtext = self._get_tab_text(tabname)
pos -= len(tabtext)
if event.x > pos:
self.fm.tab_open(tabname)
self.need_redraw = True
return True
pos = 0
for i, part in enumerate(self.result):
pos += len(part)
if event.x < pos:
if i < 2:
self.fm.enter_dir("~")
elif i == 2:
self.fm.enter_dir("/")
else:
try:
self.fm.enter_dir(part.directory)
except:
pass
return True
return False
def _calc_bar(self):
bar = Bar('in_titlebar')
self._get_left_part(bar)
self._get_right_part(bar)
try:
bar.shrink_from_the_left(self.wid)
except ValueError:
bar.shrink_by_removing(self.wid)
self.result = bar.combine()
def _get_left_part(self, bar):
# TODO: Properly escape non-printable chars without breaking unicode
if self.fm.username == 'root':
clr = 'bad'
else:
clr = 'good'
bar.add(self.fm.username, 'hostname', clr, fixed=True)
bar.add('@', 'hostname', clr, fixed=True)
bar.add(self.fm.hostname, 'hostname', clr, fixed=True)
bar.add(':', 'hostname', clr, fixed=True)
pathway = self.fm.thistab.pathway
if self.settings.tilde_in_titlebar and \
self.fm.thisdir.path.startswith(self.fm.home_path):
pathway = pathway[self.fm.home_path.count('/')+1:]
bar.add('~/', 'directory', fixed=True)
for path in pathway:
if path.is_link:
clr = 'link'
else:
clr = 'directory'
bar.add(path.basename, clr, directory=path)
bar.add('/', clr, fixed=True, directory=path)
if self.fm.thisfile is not None:
bar.add(self.fm.thisfile.basename, 'file')
def _get_right_part(self, bar):
# TODO: fix that pressed keys are cut off when chaining CTRL keys
kb = str(self.fm.ui.keybuffer)
self.old_keybuffer = kb
bar.addright(kb, 'keybuffer', fixed=True)
bar.addright(' ', 'space', fixed=True)
self.tab_width = 0
if len(self.fm.tabs) > 1:
for tabname in self.fm._get_tab_list():
tabtext = self._get_tab_text(tabname)
self.tab_width += len(tabtext)
clr = 'good' if tabname == self.fm.current_tab else 'bad'
bar.addright(tabtext, 'tab', clr, fixed=True)
def _get_tab_text(self, tabname):
result = ' ' + str(tabname)
if self.settings.dirname_in_tabs:
dirname = basename(self.fm.tabs[tabname].path)
if not dirname:
result += ":/"
elif len(dirname) > 15:
result += ":" + dirname[:14] + "~"
else:
result += ":" + dirname
return result
def _print_result(self, result):
self.win.move(0, 0)
for part in result:
self.color(*part.lst)
y, x = self.win.getyx()
self.addstr(y, x, str(part))
self.color_reset()
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