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# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.
"""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 ranger.gui.bar import Bar
from . import Widget
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()): # pylint: disable=protected-access
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 Exception:
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 and \
self.settings.show_selection_in_titlebar:
bar.add(self.fm.thisfile.relative_path, 'file')
def _get_right_part(self, bar):
# TODO: fix that pressed keys are cut off when chaining CTRL keys
kbuf = str(self.fm.ui.keybuffer)
self.old_keybuffer = kbuf
bar.addright(kbuf, '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(): # pylint: disable=protected-access
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] + self.ellipsis[self.settings.unicode_ellipsis]
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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