/usr/share/pyshared/hotwire_ui/completion.py is in hotwire 0.721-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (C) 2007 Colin Walters <walters@verbum.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os, sys, re, logging
import gtk, gobject, pango
import hotwire_ui.widgets as hotwidgets
from hotwire.command import PipelineLanguageRegistry
from hotwire.completion import Completion, CompletionSystem, CompletionResults
from hotwire.util import markup_for_match
from hotwire_ui.pixbufcache import PixbufCache
from hotwire.state import History
from hotwire.builtin import Builtin
from hotwire.logutil import log_except
from hotwire.cmdalias import Alias
from hotwire.sysdep.fs import File, Filesystem
from hotwire.sysdep.proc import Process
_logger = logging.getLogger("hotwire.ui.Completion")
class MatchView(gtk.VBox):
def __init__(self, title, maxcount=500, keybinding=None):
super(MatchView, self).__init__()
self.__maxcount = maxcount
headerhbox = gtk.HBox()
self.__label = gtk.Label()
self.__label.set_alignment(0.0, 0.5)
headerhbox.add(self.__label)
if keybinding:
self.__keybinding_label = gtk.Label()
self.__keybinding_label.set_markup(_('Key: <tt>%s</tt>') % (keybinding,))
self.__keybinding_label.set_alignment(1.0, 0.5)
headerhbox.add(self.__keybinding_label)
self.__title = title
self.__keybinding = keybinding
self.pack_start(headerhbox, expand=False)
self.__scroll = gtk.ScrolledWindow()
# FIXME - we should really be using a combo box here
self.__scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
self.__model = gtk.ListStore(gobject.TYPE_PYOBJECT)
self.__view = gtk.TreeView(self.__model)
self.__selection = self.__view.get_selection()
self.__selection.set_mode(gtk.SELECTION_SINGLE)
self.__selection.connect('changed', self.__on_selection_changed)
self.__view.set_headers_visible(False)
if maxcount > 1:
self.__scroll.add(self.__view)
self.add(self.__scroll)
else:
self.add(self.__view)
colidx = self.__view.insert_column_with_data_func(-1, '',
hotwidgets.CellRendererText(),
self._render_item)
self.__none_label = gtk.Label()
self.__none_label.set_alignment(0.0, 0.5)
self.__none_label.set_no_show_all(True)
self.__none_label.set_markup('<i>%s</i>' % (_('(No matches)'),))
self.pack_start(self.__none_label, expand=False)
def get_view(self):
return self.__view
def prepare_max_size_request(self):
self.__scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
def finish_max_size_request(self):
self.__scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
def get_model(self):
return self.__model
def get_selection(self):
return self.__selection
def set_content(self, results, uniquify=False, reverse=True, do_select=True):
model = gtk.ListStore(gobject.TYPE_PYOBJECT)
overmax = False
uniqueresults = set()
i = 0
for completion in results:
if i >= self.__maxcount:
overmax = True
break
if uniquify and completion in uniqueresults:
continue
uniqueresults.add(completion)
i += 1
if reverse:
iter = model.prepend([completion])
else:
iter = model.append([completion])
self.__model = model
self.__view.set_model(model)
nchildren = self.__model.iter_n_children(None)
if results and do_select:
self.__selection.select_iter(self.__model.iter_nth_child(None, nchildren-1))
if results:
self.__none_label.hide()
else:
self.__none_label.show()
self.set_total(nchildren)
def set_total(self, total):
self.__label.set_markup(' %s - <b>%d</b> total ' % \
(gobject.markup_escape_text(self.__title),
total))
def iter_matches(self):
i = self.__model.iter_n_children(None)-1
while i >= 0:
yield self.__model[i][0]
i -= 1
def __vadjust(self, pos, full):
adjustment = self.__scroll.get_vadjustment()
if not full:
val = self.__scroll.get_vadjustment().page_increment
if not pos:
val = 0 - val;
newval = adjustment.value + val
else:
if pos:
newval = adjustment.upper
else:
newval = adjustment.lower
newval = max(min(newval, adjustment.upper-adjustment.page_size), adjustment.lower)
adjustment.value = newval
def page_up(self, pos):
self.__vadjust(False)
def page_down(self, pos):
self.__vadjust(True)
def get_total(self):
return self.__model.iter_n_children(None)
def __on_selection_changed(self, sel):
(model, iter) = sel.get_selected()
if iter:
self.__view.scroll_to_cell(model.get_path(iter))
class MatchPopup(hotwidgets.TransientPopup):
__gsignals__ = {
"item-selected" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
}
def __init__(self, title, viewklass, entry, window, context=None, **kwargs):
super(MatchPopup, self).__init__(entry, window, **kwargs)
self.__entry = entry
self.__window = window
self.__maxcount = 10
self.__view = viewklass(title)
self.__selection = self.__view.get_selection()
self.get_box().pack_start(self.__view, expand=True)
self.__miniview = viewklass(title, maxcount=1)
self.__view.get_view().connect("row-activated", self.__on_row_activated)
self.__morelabel = gtk.Label()
self.__morelabel.set_no_show_all(True)
self.get_box().pack_start(self.__morelabel, expand=False)
self.__none_label = gtk.Label()
self.__none_label.set_alignment(0.0, 0.5)
self.__none_label.set_no_show_all(True)
self.__none_label.set_markup('<i>%s</i>' % (_('(No matches)'),))
self.get_box().pack_start(self.__none_label, expand=False)
def _get_view(self):
return self.__view
def get_miniview(self):
return self.__miniview
def set_content(self, results, **kwargs):
self.__view.set_content(results, **kwargs)
self.__miniview.set_content(results, do_select=False, **kwargs)
self.__miniview.set_total(self.__view.get_total())
if results:
self.__none_label.hide()
else:
self.__none_label.show()
def set_matchtext(self, matchtext):
self.__view.set_matchtext(matchtext)
self.__miniview.set_matchtext(matchtext)
def iter_matches(self, *args, **kwargs):
for x in self.__view.iter_matches(*args, **kwargs):
yield x
def get_total(self):
return self.__view.get_total()
def _set_size_request(self):
(ref_x, ref_y, ref_w, ref_h, bits) = self.__entry.get_parent_window().get_geometry()
_logger.debug("setting size request width to %d*0.75", ref_w)
#self.set_size_request((int(ref_w*0.75)), -1)
def get_selected_path(self):
(model, iter) = self.__selection.get_selected()
return iter and model.get_path(iter)
def select_next(self):
path = self.get_selected_path()
if not path:
return
previdx = path[-1]-1
if previdx < 0:
return
model = self.__view.get_model()
previter = model.iter_nth_child(None, previdx)
if not previter:
return
self.__selection.select_iter(previter)
def select_prev(self):
path = self.get_selected_path()
if not path:
return
model = self.__view.get_model()
seliter = model.get_iter(path)
iternext = model.iter_next(seliter)
if not iternext:
return
self.__selection.select_iter(iternext)
def page_up(self):
self.__view.page_up()
def page_down(self):
self.__view.page_down()
def emit_itemselected(self):
(model, iter) = self.__selection.get_selected()
if not iter:
self.emit('item-selected', None)
return
self.emit('item-selected', model.get_value(iter, 0))
def __on_row_activated(self, tv, path, vc):
_logger.debug("row activated: %s", path)
model = self.__view.get_model()
iter = model.get_iter(path)
self.emit('item-selected', model.get_value(iter, 0))
class MatchingHistoryView(MatchView):
def __init__(self, *args, **kwargs):
super(MatchingHistoryView, self).__init__(*args, **kwargs)
self.__matchtext = None
self.get_view().insert_column_with_data_func(0, '',
gtk.CellRendererPixbuf(),
self.__render_item_icon)
def set_matchtext(self, text):
self.__matchtext = text
self.get_model().foreach(gtk.TreeModel.row_changed)
def _render_item(self, col, cell, model, iter):
(lang, histitem) = model.get_value(iter, 0)
if self.__matchtext:
idx = histitem.find(self.__matchtext)
if idx >= 0:
markup = markup_for_match(histitem, idx, idx+len(self.__matchtext))
cell.set_property('markup', markup)
return
cell.set_property('text', histitem)
@log_except(_logger)
def __render_item_icon(self, col, cell, model, iter):
(lang, histitem) = model.get_value(iter, 0)
langs = PipelineLanguageRegistry.getInstance()
pbcache = PixbufCache.getInstance()
pixbuf = pbcache.get(langs[lang].icon, size=16, trystock=True, stocksize=gtk.ICON_SIZE_MENU)
cell.set_property('pixbuf', pixbuf)
class TabCompletionView(MatchView):
def __init__(self, *args, **kwargs):
super(TabCompletionView, self).__init__(*args, **kwargs)
self.__fs = Filesystem.getInstance()
colidx = self.get_view().insert_column_with_data_func(0, '',
gtk.CellRendererPixbuf(),
self.__render_icon)
def __get_icon_func_for_klass(self, klass):
if isinstance(klass, File):
return lambda x: x.icon
elif isinstance(klass, Builtin):
return lambda x: 'hotwire'
elif isinstance(klass, Alias):
return lambda x: 'gtk-convert'
elif isinstance(klass, Process):
return lambda x: 'gtk-execute'
else:
return None
def __render_icon(self, col, cell, model, iter):
compl = model.get_value(iter, 0)
icon_name = compl.icon
if (not icon_name) and compl.target:
ifunc = self.__get_icon_func_for_klass(compl.target)
if ifunc:
icon_name = ifunc(compl.target)
if icon_name:
if icon_name.startswith(os.sep):
pixbuf = PixbufCache.getInstance().get(icon_name)
cell.set_property('pixbuf', pixbuf)
else:
cell.set_property('icon-name', icon_name)
else:
cell.set_property('icon-name', None)
def __findobj(self, obj):
model = self.get_model()
iter = model.get_iter_first()
while iter:
val = model.get_value(iter, 0)
if val is obj:
return iter
iter = model.iter_next(iter)
def _render_item(self, col, cell, model, iter):
compl = model.get_value(iter, 0)
if compl.matchbase:
cell.set_property('text', compl.matchbase)
else:
cell.set_property('text', compl.suffix)
class CompletionStatusDisplay(hotwidgets.TransientPopup):
__gsignals__ = {
"histitem-selected" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
"completion-selected" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
"completions-loaded" : (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, []),
}
def __init__(self, entry, window, context=None, tabhistory=[], **kwargs):
super(CompletionStatusDisplay, self).__init__(entry, window, **kwargs)
self.__entry = entry
self.__window = window
self.__context = context
self.__tabhistory = tabhistory
self.__token = None
self.__completer = None
self.__complsys = CompletionSystem()
self.__current_completion = None
self.__current_history = None
self.__pending_completion_load = False
self.__completion_display = MatchPopup(_('Completions (%s)') % ('TAB',),
TabCompletionView,
self.__entry, self.__window, self.__context)
self.__completion_display.connect('item-selected', self.__on_completion_selected)
self.__tab_history_display = MatchPopup(_('Tab History'),
MatchingHistoryView,
self.__entry, self.__window, self.__context)
self.__tab_history_display.connect('item-selected', self.__on_histitem_selected)
self.__global_history_display = MatchPopup(_('Global History Search (%s)') % ('Ctrl-R',),
MatchingHistoryView,
self.__entry, self.__window, self.__context)
self.__global_history_display.connect('item-selected', self.__on_histitem_selected)
self.__overview_visible = False
self.__completion_visible = False
self.__tab_history_visible = False
self.__global_history_visible = False
self.get_box().pack_start(self.__completion_display.get_miniview(), expand=True)
self.get_box().pack_start(gtk.VSeparator(), expand=False)
self.get_box().pack_start(self.__global_history_display.get_miniview(), expand=True)
def __on_histitem_selected(self, th, histitem):
self.emit('histitem-selected', histitem)
def __on_completion_selected(self, ac, compl):
self.emit('completion-selected', compl)
def invalidate(self):
self.__token = None
self.__completer = None
self.__current_completion = None
self.__pending_completion_load = False
self.hide_all()
def hide_all(self):
if self.__completion_visible:
self.__completion_display.hide()
self.__completion_visible = False
if self.__tab_history_visible:
self.__tab_history_display.hide()
self.__tab_history_visible = False
if self.__global_history_visible:
self.__global_history_display.hide()
self.__global_history_visible = False
if self.__overview_visible:
super(CompletionStatusDisplay, self).hide()
self.__overview_visible = False
def set_completion(self, completer, text, context):
if text == self.__token and completer == self.__completer:
return
_logger.debug("new completion: %s", text)
self.invalidate()
self.__token = text
self.__completer = completer
if completer:
self.__complsys.async_complete(completer, text, context.get_cwd(), self.__completions_result)
def completion_request(self):
if self.__current_completion is not None:
if not self.__completion_visible:
self.hide_all()
self.__completion_visible = True
self.__completion_display.show()
self.__completion_display.reposition()
self.__completion_display.queue_reposition()
return self.__current_completion
if self.__completer:
self.hide_all()
self.__pending_completion_load = True
return True
return None
def show(self):
self.__overview_visible = True
super(CompletionStatusDisplay, self).show()
self.reposition()
self.queue_reposition()
def hide(self):
self.__overview_visible = False
super(CompletionStatusDisplay, self).hide()
def __completions_result(self, completer, text, results):
if not (text == self.__token and completer == self.__completer):
_logger.debug("stale completion result")
return
self.__current_completion = results
self.__completion_display.set_content(self.__current_completion.results)
if self.__pending_completion_load:
self.__current_completion = results
self.emit('completions-loaded')
self.__pending_completion_load = False
else:
if self.__current_completion.results or self.__current_history:
self.show()
self.queue_reposition()
def _set_size_request(self):
(ref_x, ref_y, ref_w, ref_h, bits) = self.__entry.get_parent_window().get_geometry()
_logger.debug("setting size request width to %d*0.75", ref_w)
self.set_size_request((int(ref_w*0.75)), -1)
def set_history_search(self, lang_uuid, histsearch):
histitems = map(lambda result: (lang_uuid,result), self.__context.history.search_commands(lang_uuid, histsearch))
self.__current_history = not not histitems
self.__global_history_display.set_content(histitems, uniquify=True)
self.__global_history_display.set_matchtext(histsearch)
def popup_tab_history(self):
if self.__tab_history_visible:
return
self.hide()
self.__tab_history_display.set_content(self.__tabhistory, uniquify=False)
self.__tab_history_display.reposition()
self.__tab_history_display.queue_reposition()
self.__tab_history_visible = True
self.__tab_history_display.show()
def popup_global_history(self):
if self.__global_history_visible:
return
self.hide()
self.__global_history_display.reposition()
self.__global_history_display.queue_reposition()
self.__global_history_visible = True
self.__global_history_display.show()
def get_state(self):
if self.__tab_history_visible:
return 'tabhistory'
elif self.__global_history_visible:
return 'globalhistory'
elif self.__completion_visible:
return 'completions'
return None
def select_next(self):
if self.__tab_history_visible:
self.__tab_history_display.select_next()
return True
elif self.__global_history_visible:
self.__global_history_display.select_next()
return True
elif self.__completion_visible:
self.__completion_display.select_next()
return True
return False
def select_prev(self):
if self.__tab_history_visible:
self.__tab_history_display.select_prev()
return True
elif self.__global_history_visible:
self.__global_history_display.select_prev()
return True
elif self.__completion_visible:
self.__completion_display.select_prev()
return True
return False
def page_up(self):
if self.__tab_history_visible:
self.__tab_history_display.page_up()
return True
elif self.__global_history_visible:
self.__global_history_display.page_up()
return True
elif self.__completion_visible:
self.__completion_display.page_up()
return True
return False
def page_down(self):
if self.__tab_history_visible:
self.__tab_history_display.page_down()
return True
elif self.__global_history_visible:
self.__global_history_display.page_down()
return True
elif self.__completion_visible:
self.__completion_display.page_down()
return True
return False
def activate_selected(self):
if self.__tab_history_visible:
self.__tab_history_display.emit_itemselected()
return True
elif self.__global_history_visible:
self.__global_history_display.emit_itemselected()
return True
elif self.__completion_visible:
self.__completion_display.emit_itemselected()
return True
return False
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