/usr/share/pyshared/hotwire_ui/editor.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 | # This file is part of the Hotwire Shell user interface.
#
# 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, logging, StringIO, traceback, tempfile
import cairo, gtk, gobject, pango
from hotwire.fs import atomic_rename, open_text_file
from hotwire.sysdep.fs import Filesystem, FileStatError
from hotwire.logutil import log_except
from hotwire_ui.aboutdialog import HotwireAboutDialog
from hotwire_ui.inlinesearch import InlineSearchArea
_logger = logging.getLogger("hotwire.Editor")
try:
try:
from gtksourceview2 import Buffer as SourceBuffer, View as SourceView
gtksourceview2_avail = True
except ImportError, e:
from gtksourceview import SourceBuffer, SourceView
gtksourceview2_avail = False
gtksourceview_avail = True
_logger.debug("gtksourceview available")
except ImportError, e:
gtksourceview_avail = False
_logger.debug("gtksourceview not available")
class GotoLineDialog(gtk.Dialog):
def __init__(self, parent):
super(GotoLineDialog, self).__init__(title=_("Go to line"),
parent=parent,
flags=gtk.DIALOG_DESTROY_WITH_PARENT,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_JUMP_TO, gtk.RESPONSE_ACCEPT))
self.set_default_response(gtk.RESPONSE_ACCEPT)
self.set_has_separator(False)
self.set_border_width(5)
self.__vbox = gtk.VBox()
self.vbox.add(self.__vbox)
self.vbox.set_spacing(6)
self.__entry = gtk.Entry()
self.__entry.set_activates_default(True)
self.__vbox.add(self.__entry)
def run_get_line(self):
self.show_all()
resp = self.run()
_logger.debug("got response %r", resp)
if resp != gtk.RESPONSE_ACCEPT:
return None
active = self.__entry.get_text()
_logger.debug("got response text %r", active)
if not active:
return None
return int(active)
class HotEditorWindow(gtk.Window):
def __init__(self, filename=None, content=None, title=None, parent=None, autosave=False):
gtk.Window.__init__(self, type=gtk.WINDOW_TOPLEVEL)
vbox = gtk.VBox()
self.add(vbox)
self.__ui_string = """
<ui>
<menubar name='Menubar'>
<menu action='FileMenu'>
<menuitem action='Save'/>
<menuitem action='SaveAs'/>
<separator/>
<menuitem action='ReadOnly'/>
<separator/>
<menuitem action='Revert'/>
<separator/>
<menuitem action='Close'/>
</menu>
<menu action='EditMenu'>
<menuitem action='Undo'/>
<menuitem action='Redo'/>
<separator/>
<menuitem action='Find'/>
<menuitem action='GotoLine'/>
</menu>
<menu action='ToolsMenu'>
<menuitem action='About'/>
</menu>
</menubar>
</ui>
"""
self.__create_ui()
vbox.pack_start(self._ui.get_widget('/Menubar'), expand=False)
self.__filename = os.path.abspath(filename)
self.__autosave = autosave
self.__modified = False
self.__last_len = 0
self.__save_text_id = 0
self.gtksourceview_mode = gtksourceview_avail
if gtksourceview_avail:
self.input = SourceBuffer()
self.input_view = SourceView(self.input)
if gtksourceview2_avail:
self.input.connect('notify::can-undo', lambda *args: self.__sync_undoredo())
self.input.connect('notify::can-redo', lambda *args: self.__sync_undoredo())
else:
self.input.connect('can-undo', lambda *args: self.__sync_undoredo())
self.input.connect('can-redo', lambda *args: self.__sync_undoredo())
else:
self.input = gtk.TextBuffer()
self.input_view = gtk.TextView(self.input)
self.input_view.set_wrap_mode(gtk.WRAP_WORD)
self.input_view.connect("key-press-event", self.__handle_key_press_event)
scroll = gtk.ScrolledWindow()
scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_ALWAYS)
scroll.add(self.input_view)
vbox.pack_start(scroll, True, True)
if filename and os.path.isfile(self.__filename):
_logger.debug("reading %s", self.__filename)
f = open_text_file(self.__filename, 'r')
self.__original_text = f.read()
else:
self.__original_text = content
if self.__original_text:
if gtksourceview_avail:
self.input.begin_not_undoable_action()
self.input.set_property('text', self.__original_text)
self.__last_len = self.input.get_char_count()
if gtksourceview_avail:
self.input.end_not_undoable_action()
self.input.move_mark_by_name('insert', self.input.get_start_iter())
self.input.move_mark_by_name('selection_bound', self.input.get_start_iter())
self.input.connect('mark-set', self.__on_mark_set)
self.__searcharea = InlineSearchArea(self.input_view)
self.__searcharea.connect('close', self.__on_search_close)
self.__searcharea.show_all()
self.__searcharea.hide()
self.__searcharea.set_no_show_all(True)
vbox.pack_start(self.__searcharea, expand=False)
self.__status_hbox = gtk.HBox()
self.__statusbar = gtk.Statusbar()
self.__status_hbox.pack_start(self.__statusbar, expand=True)
self.__statusbar_ctx = self.__statusbar.get_context_id("HotEditor")
self.__pos_status = gtk.Statusbar()
self.__pos_status.set_size_request(160, 10) # Taken from GEdit
self.__pos_context = self.__pos_status.get_context_id("HotEditor")
self.__status_hbox.pack_start(self.__pos_status, expand=False)
vbox.pack_start(self.__status_hbox, expand=False)
self.__sync_undoredo()
self.__sync_modified_sensitivity()
self.input.connect("changed", self.__handle_text_changed)
self.connect("delete-event", self.__handle_delete_event)
self.__sync_title()
if parent:
self.set_transient_for(parent)
self.set_size_request(800, 600)
def __on_search_close(self, sa):
self.__searcharea.hide()
def set_read_only(self, readonly):
readonly_toggle = self.__actiongroup.get_action('ReadOnly')
readonly_toggle.set_active(readonly)
def set_code_mode(self, codemode):
if not self.gtksourceview_mode:
return
# Non-code is the default
if not codemode:
return
self.input_view.modify_font(pango.FontDescription("monospace"))
fs = Filesystem.getInstance()
try:
mimetype = fs.get_file_sync(self.__filename).mimetype
except FileStatError, e:
mimetype = None
target_lang = None
if gtksourceview2_avail:
import gtksourceview2
langman = gtksourceview2.language_manager_get_default()
for language_id in langman.get_language_ids():
language = langman.get_language(language_id)
for langmime in language.get_mime_types():
if mimetype == langmime:
target_lang = language
break
if target_lang:
break
self.input.set_highlight_syntax(True)
else:
import gtksourceview
target_lang = gtksourceview.SourceLanguagesManager().get_language_from_mime_type(mimetype)
self.input.set_highlight(True)
if target_lang:
self.input.set_language(target_lang)
def goto_line(self, lineno):
iter = self.input.get_iter_at_line(lineno)
self.input.place_cursor(iter)
def __sync_title(self):
if self.__filename:
(dn, bn) = os.path.split(self.__filename)
self.set_title('%s (%s)' % (bn,dn))
else:
self.set_title('Untitled')
def __show_msg(self, text):
id = self.__statusbar.push(self.__statusbar_ctx, text)
gobject.timeout_add(3000, lambda: self.__statusbar.remove(self.__statusbar_ctx, id))
def __do_save(self, status):
if self.__save_text_id > 0:
gobject.source_remove(self.__save_text_id)
if not self.__modified:
self.__show_msg(_("Already saved"))
return
self.__idle_save_text(status)
@log_except(_logger)
def __idle_save_text(self, status):
self.__save_text_id = 0
_logger.debug("autosaving to %s", self.__filename)
dn,bn = os.path.split(self.__filename)
try:
perms = os.stat(self.__filename).st_mode
except:
perms = None
(tempfd, temppath) = tempfile.mkstemp('.tmp', self.__filename, dn)
os.close(tempfd)
f = open_text_file(temppath, 'w')
text = self.input.get_property("text")
utext = unicode(text)
f.write(utext)
f.flush()
os.fsync(tempfd)
f.close()
if perms is not None:
os.chmod(temppath, perms)
atomic_rename(temppath, self.__filename)
self.__show_msg(status + _("...done"))
self.__modified = False
self.__sync_modified_sensitivity()
_logger.debug("autosave complete")
return False
def __handle_key_press_event(self, input_view, event):
# <Control>Return is the most natural keybinding for save-and-close, but support
# <Control>w for compat. This doesn't replicate all the complicated multiple-groups
# handling that would goes on inside GTK+, but that's OK for a compatibility crutch
if event.state & gtk.gdk.CONTROL_MASK != 0 and event.keyval in (gtk.keysyms.w, gtk.keysyms.W):
self.__handle_close()
return True
if event.keyval == gtk.keysyms.Escape:
self.__handle_close()
return True
return False
def __on_mark_set(self, buf, iter, mark):
cursor = buf.get_insert()
if cursor != mark:
return
self.__pos_status.pop(self.__pos_context)
ln = iter.get_line()
col = iter.get_line_offset()
self.__pos_status.push(self.__pos_context, _('Ln %d, Col %d') % (ln, col))
def __handle_text_changed(self, text):
_logger.debug("handling text changed")
self.__modified = True
self.__sync_modified_sensitivity()
if not (self.__filename and self.__autosave):
return
charcount = text.get_char_count()
# Don't autosave on deletions
if charcount < self.__last_len:
return
self.__last_len = charcount
if self.__save_text_id != 0:
gobject.source_remove(self.__save_text_id)
self.__save_text_id = gobject.timeout_add(15000, self.__idle_save_text, _("Autosaving"))
@log_except(_logger)
def __revert_cb(self, action):
self.__handle_revert()
def __handle_revert(self):
self.input.set_property('text', self.__original_text)
@log_except(_logger)
def __save_cb(self, action):
self.__do_save(_("Saving..."))
@log_except(_logger)
def __save_as_cb(self, action):
chooser = gtk.FileChooserDialog(_("Save As..."), self, gtk.FILE_CHOOSER_ACTION_SAVE,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK))
chooser.set_default_response(gtk.RESPONSE_OK)
response = chooser.run()
filename = None
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
self.__filename = filename
chooser.destroy()
def __handle_delete_event(self, w, e):
return self.__handle_close()
@log_except(_logger)
def __close_cb(self, action):
self.__handle_close()
def __sync_modified_sensitivity(self):
self.__actiongroup.get_action('Save').set_sensitive(self.__modified)
@log_except(_logger)
def __handle_close(self):
_logger.debug("got close")
if not self.__modified:
self.destroy()
elif self.__filename and self.__autosave:
self.__save_cb(None)
self.destroy()
else:
dialog = gtk.MessageDialog(parent=self, buttons=gtk.BUTTONS_NONE,
type=gtk.MESSAGE_QUESTION,
message_format=_("Save changes before closing?"))
dialog.add_button(_('Close without saving'), gtk.RESPONSE_REJECT)
dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
dialog.add_button(gtk.STOCK_SAVE, gtk.RESPONSE_APPLY)
dialog.set_default_response(gtk.RESPONSE_CANCEL)
resp = dialog.run()
dialog.destroy()
if resp == gtk.RESPONSE_REJECT:
self.destroy()
elif resp == gtk.RESPONSE_CANCEL:
pass
elif resp == gtk.RESPONSE_APPLY:
self.__save_cb(None)
self.destroy()
return True
@log_except(_logger)
def __undo_cb(self, action):
self.input.undo()
@log_except(_logger)
def __redo_cb(self, action):
self.input.redo()
def __sync_undoredo(self):
self.__actiongroup.get_action('Redo').set_sensitive(gtksourceview_avail and self.input.can_redo())
self.__actiongroup.get_action('Undo').set_sensitive(gtksourceview_avail and self.input.can_undo())
@log_except(_logger)
def __search_cb(self, a):
self.__searcharea.show()
self.__searcharea.focus()
@log_except(_logger)
def __goto_line_cb(self, a):
dlg = GotoLineDialog(self)
line_num = dlg.run_get_line()
dlg.destroy()
if line_num is None:
return
iter = self.input.get_iter_at_line(line_num)
self.input.place_cursor(iter)
self.input_view.scroll_mark_onscreen(self.input.get_mark('insert'))
@log_except(_logger)
def __toggle_read_only_cb(self, a):
active = a.get_active()
self.input_view.set_editable(not active)
def __create_ui(self):
self.__actiongroup = ag = gtk.ActionGroup('WindowActions')
actions = [
('FileMenu', None, _('_File')),
('Save', gtk.STOCK_SAVE, _('_Save'), '<control>s', _('Save to current file'), self.__save_cb),
('SaveAs', gtk.STOCK_SAVE, _('Save _As'), '<control><shift>s', _('Save to a new file'), self.__save_as_cb),
('Revert', None, '_Revert', None, _('Revert to saved text'), self.__revert_cb),
('Close', gtk.STOCK_CLOSE, _('_Close'), '<control>Return', _('Save and close'), self.__close_cb),
('EditMenu', None, '_Edit'),
('Undo', gtk.STOCK_UNDO, _('_Undo'), '<control>z', _('Undo previous action'), self.__undo_cb),
('Redo', gtk.STOCK_REDO, _('_Redo'), '<control><shift>Z', _('Redo action'), self.__redo_cb),
('Find', gtk.STOCK_FIND, _('_Find'), '<control>f', _('Find text'), self.__search_cb),
('GotoLine', gtk.STOCK_JUMP_TO, _('_Go to Line'), '<control>l', _('Jump to line number'), self.__goto_line_cb),
('ToolsMenu', None, _('_Tools')),
('About', gtk.STOCK_ABOUT, _('_About'), None, _('About Hotwire'), self.__help_about_cb),
]
toggle_actions = [
('ReadOnly', None, _('Read _Only'), None, _('Toggle read-only mode'), self.__toggle_read_only_cb),
]
ag.add_actions(actions)
ag.add_toggle_actions(toggle_actions)
self._ui = gtk.UIManager()
self._ui.insert_action_group(ag, 0)
self._ui.add_ui_from_string(self.__ui_string)
self.add_accel_group(self._ui.get_accel_group())
def __help_about_cb(self, action):
dialog = HotwireAboutDialog()
dialog.run()
dialog.destroy()
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