/usr/share/doc/python-gtksourceview2/examples/test-widget.py is in python-gtksourceview2 2.10.1-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 | #!/usr/bin/env python
# -*- coding: UTF-8 -*-
# This script shows the use of pygtksourceview2 module, the python wrapper
# of gtksourceview2 C library.
# It has been directly translated from test-widget.c
#
# Copyright (C) 2004 - IƱigo Serna <inigoserna@telefonica.net>
#
# 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, os.path
import sys
import gtk
import gtksourceview2 as gtksourceview
import gio
import pango
import gobject
######################################################################
##### global vars
windows = [] # this list contains all view windows
MARK_TYPE_1 = 'one'
MARK_TYPE_2 = 'two'
DATADIR = '/usr/share'
######################################################################
##### error dialog
def error_dialog(parent, msg):
dialog = gtk.MessageDialog(parent,
gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_OK,
msg)
dialog.run()
dialog.destroy()
######################################################################
##### remove all source marks
def remove_all_marks(buffer):
begin, end = buffer.get_bounds()
marks = buffer.remove_source_marks(begin, end)
######################################################################
##### load file
def load_file(buffer, path):
buffer.begin_not_undoable_action()
# TODO: use g_io_channel when pygtk supports it
try:
txt = open(path).read()
except:
return False
buffer.set_text(txt)
buffer.set_data('filename', path)
buffer.end_not_undoable_action()
buffer.set_modified(False)
buffer.place_cursor(buffer.get_start_iter())
return True
######################################################################
##### Note this function is silly and wrong, because it ignores mime
##### parent types and subtypes.
def get_language_for_mime_type(mime):
lang_manager = gtksourceview.language_manager_get_default()
lang_ids = lang_manager.get_language_ids()
for i in lang_ids:
lang = lang_manager.get_language(i)
for m in lang.get_mime_types():
if m == mime:
return lang
return None
######################################################################
##### buffer creation
def open_file(buffer, filename):
# get the new language for the file mimetype
if os.path.isabs(filename):
path = filename
else:
path = os.path.abspath(filename)
f = gio.File(path)
path = f.get_path()
info = f.query_info("*")
mime_type = info.get_content_type()
language = None
if mime_type:
language = get_language_for_mime_type(mime_type)
if not language:
print 'No language found for mime type "%s"' % mime_type
else:
print 'Couldn\'t get mime type for file "%s"' % filename
buffer.set_language(language)
buffer.set_highlight_syntax(True)
remove_all_marks(buffer)
load_file(buffer, path) # TODO: check return
return True
######################################################################
##### Action callbacks
def numbers_toggled_cb(action, sourceview):
sourceview.set_show_line_numbers(action.get_active())
def marks_toggled_cb(action, sourceview):
sourceview.set_show_line_marks(action.get_active())
def margin_toggled_cb(action, sourceview):
sourceview.set_show_right_margin(action.get_active())
def auto_indent_toggled_cb(action, sourceview):
sourceview.set_auto_indent(action.get_active())
def insert_spaces_toggled_cb(action, sourceview):
sourceview.set_insert_spaces_instead_of_tabs(action.get_active())
def tabs_toggled_cb(action, action2, sourceview):
sourceview.set_tab_width(action.get_current_value())
def new_view_cb(action, sourceview):
window = create_view_window(sourceview.get_buffer(), sourceview)
window.set_default_size(400, 400)
window.show()
######################################################################
##### Buffer action callbacks
def open_file_cb(action, buffer):
chooser = gtk.FileChooserDialog('Open file...', None,
gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
response = chooser.run()
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
if filename:
open_file(buffer, filename)
chooser.destroy()
def update_cursor_position(buffer, view):
tabwidth = view.get_tab_width()
pos_label = view.get_data('pos_label')
iter = buffer.get_iter_at_mark(buffer.get_insert())
nchars = iter.get_offset()
row = iter.get_line() + 1
start = iter
start.set_line_offset(0)
col = 0
while not start.equal(iter):
if start.get_char == '\t':
col += (tabwidth - (col % tabwidth))
else:
col += 1
start = start.forward_char()
pos_label.set_text('char: %d, line: %d, column: %d' % (nchars, row, col))
def move_cursor_cb (buffer, cursoriter, mark, view):
update_cursor_position(buffer, view)
def window_deleted_cb(widget, ev, view):
if windows[0] == widget:
gtk.main_quit()
else:
# remove window from list
windows.remove(widget)
# we return False since we want the window destroyed
return False
return True
def button_press_cb(view, ev):
buffer = view.get_buffer()
if not view.get_show_line_marks():
return False
# check that the click was on the left gutter
if ev.window == view.get_window(gtk.TEXT_WINDOW_LEFT):
if ev.button == 1:
mark_type = MARK_TYPE_1
else:
mark_type = MARK_TYPE_2
x_buf, y_buf = view.window_to_buffer_coords(gtk.TEXT_WINDOW_LEFT,
int(ev.x), int(ev.y))
# get line bounds
line_start = view.get_line_at_y(y_buf)[0]
# get the markers already in the line
mark_list = buffer.get_source_marks_at_line(line_start.get_line(),
mark_type)
if mark_list:
# just take the first and delete it
buffer.delete_mark (mark_list[0])
else:
# no mark found: create one
buffer.create_source_mark (None, mark_type, line_start)
return False
######################################################################
##### Actions & UI definition
buffer_actions = [
('Open', gtk.STOCK_OPEN, '_Open', '<control>O', 'Open a file', open_file_cb),
('Quit', gtk.STOCK_QUIT, '_Quit', '<control>Q', 'Exit the application', gtk.main_quit)
]
view_actions = [
('FileMenu', None, '_File'),
('ViewMenu', None, '_View'),
('NewView', gtk.STOCK_NEW, '_New View', None, 'Create a new view of the file', new_view_cb),
('TabWidth', None, '_Tab Width')
]
toggle_actions = [
('ShowNumbers', None, 'Show _Line Numbers', None, 'Toggle visibility of line numbers in the left margin', numbers_toggled_cb, False),
('ShowMarks', None, 'Show Line _Marks', None, 'Toggle visibility of marks in the left margin', marks_toggled_cb, False),
('ShowMargin', None, 'Show M_argin', None, 'Toggle visibility of right margin indicator', margin_toggled_cb, False),
('AutoIndent', None, 'Enable _Auto Indent', None, 'Toggle automatic auto indentation of text', auto_indent_toggled_cb, False),
('InsertSpaces', None, 'Insert _Spaces Instead of Tabs', None, 'Whether to insert space characters when inserting tabulations', insert_spaces_toggled_cb, False)
]
radio_actions = [
('TabWidth4', None, '4', None, 'Set tabulation width to 4 spaces', 4),
('TabWidth6', None, '6', None, 'Set tabulation width to 6 spaces', 6),
('TabWidth8', None, '8', None, 'Set tabulation width to 8 spaces', 8),
('TabWidth10', None, '10', None, 'Set tabulation width to 10 spaces', 10),
('TabWidth12', None, '12', None, 'Set tabulation width to 12 spaces', 12)
]
view_ui_description = """
<ui>
<menubar name='MainMenu'>
<menu action='ViewMenu'>
<menuitem action='NewView'/>
<separator/>
<menuitem action='ShowNumbers'/>
<menuitem action='ShowMarks'/>
<menuitem action='ShowMargin'/>
<separator/>
<menuitem action='AutoIndent'/>
<menuitem action='InsertSpaces'/>
<separator/>
<menu action='TabWidth'>
<menuitem action='TabWidth4'/>
<menuitem action='TabWidth6'/>
<menuitem action='TabWidth8'/>
<menuitem action='TabWidth10'/>
<menuitem action='TabWidth12'/>
</menu>
</menu>
</menubar>
</ui>
"""
buffer_ui_description = """
<ui>
<menubar name='MainMenu'>
<menu action='FileMenu'>
<menuitem action='Open'/>
<separator/>
<menuitem action='Quit'/>
</menu>
<menu action='ViewMenu'>
</menu>
</menubar>
</ui>
"""
class TestProvider(gobject.GObject, gtksourceview.CompletionProvider):
def __init__(self, name):
gobject.GObject.__init__(self)
self.name = name
def do_get_name(self):
return self.name
def do_get_proposals(self):
return [
gtksourceview.CompletionItem("Proposal 1", None, None),
gtksourceview.CompletionItem("Proposal 2", None, None),
gtksourceview.CompletionItem("Proposal 3", None, None),
]
gobject.type_register(TestProvider)
######################################################################
##### initialize completion
def initialize_completion(view):
completion = view.get_completion()
completion.add_provider(TestProvider('Provider 1'))
completion.add_provider(TestProvider('Provider 2'))
######################################################################
##### create view window
def create_view_window(buffer, sourceview = None):
# window
window = gtk.Window(gtk.WINDOW_TOPLEVEL)
window.set_border_width(0)
window.set_title('PyGtkSourceView Demo')
windows.append(window) # this list contains all view windows
# view
view = gtksourceview.View(buffer)
buffer.connect('mark-set', move_cursor_cb, view)
buffer.connect('changed', update_cursor_position, view)
view.connect('button-press-event', button_press_cb)
window.connect('delete-event', window_deleted_cb, view)
initialize_completion(view)
# action group and UI manager
action_group = gtk.ActionGroup('ViewActions')
action_group.add_actions(view_actions, view)
action_group.add_toggle_actions(toggle_actions, view)
action_group.add_radio_actions(radio_actions, -1, tabs_toggled_cb, view)
ui_manager = gtk.UIManager()
ui_manager.insert_action_group(action_group, 0)
# save a reference to the ui manager in the window for later use
window.set_data('ui_manager', ui_manager)
accel_group = ui_manager.get_accel_group()
window.add_accel_group(accel_group)
ui_manager.add_ui_from_string(view_ui_description)
# misc widgets
vbox = gtk.VBox(0, False)
sw = gtk.ScrolledWindow()
sw.set_shadow_type(gtk.SHADOW_IN)
pos_label = gtk.Label('Position')
view.set_data('pos_label', pos_label)
menu = ui_manager.get_widget('/MainMenu')
# layout widgets
window.add(vbox)
vbox.pack_start(menu, False, False, 0)
vbox.pack_start(sw, True, True, 0)
sw.add(view)
vbox.pack_start(pos_label, False, False, 0)
# setup view
font_desc = pango.FontDescription('monospace')
if font_desc:
view.modify_font(font_desc)
# change view attributes to match those of sourceview
if sourceview:
action = action_group.get_action('ShowNumbers')
action.set_active(sourceview.get_show_line_numbers())
action = action_group.get_action('ShowMarks')
action.set_active(sourceview.get_show_line_marks())
action = action_group.get_action('ShowMargin')
action.set_active(sourceview.get_show_right_margin())
action = action_group.get_action('AutoIndent')
action.set_active(sourceview.get_auto_indent())
action = action_group.get_action('InsertSpaces')
action.set_active(sourceview.get_insert_spaces_instead_of_tabs())
action = action_group.get_action('TabWidth%d' % sourceview.get_tab_width())
if action:
action.set_active(True)
# add source mark pixbufs
pixbuf = gtk.gdk.pixbuf_new_from_file(os.path.join(DATADIR,
'pixmaps/apple-green.png'))
if pixbuf:
view.set_mark_category_pixbuf (MARK_TYPE_1, pixbuf)
view.set_mark_category_priority (MARK_TYPE_1, 1)
else:
print 'could not load mark 1 image. Spurious messages might get triggered'
pixbuf = gtk.gdk.pixbuf_new_from_file(os.path.join(DATADIR,
'pixmaps/apple-red.png'))
if pixbuf:
view.set_mark_category_pixbuf (MARK_TYPE_2, pixbuf)
view.set_mark_category_priority (MARK_TYPE_2, 2)
else:
print 'could not load mark 2 image. Spurious messages might get triggered'
vbox.show_all()
return window
######################################################################
##### create main window
def create_main_window(buffer):
window = create_view_window(buffer)
ui_manager = window.get_data('ui_manager')
# buffer action group
action_group = gtk.ActionGroup('BufferActions')
action_group.add_actions(buffer_actions, buffer)
ui_manager.insert_action_group(action_group, 1)
# merge buffer ui
ui_manager.add_ui_from_string(buffer_ui_description)
# preselect menu checkitems
groups = ui_manager.get_action_groups()
# retrieve the view action group at position 0 in the list
action_group = groups[0]
action = action_group.get_action('ShowNumbers')
action.set_active(True)
action = action_group.get_action('ShowMarks')
action.set_active(True)
action = action_group.get_action('ShowMargin')
action.set_active(True)
action = action_group.get_action('AutoIndent')
action.set_active(True)
action = action_group.get_action('InsertSpaces')
action.set_active(True)
action = action_group.get_action('TabWidth8')
action.set_active(True)
return window
######################################################################
##### main
def main(args = []):
# create buffer
buffer = gtksourceview.Buffer()
mgr = gtksourceview.style_scheme_manager_get_default()
style_scheme = mgr.get_scheme('classic')
if style_scheme:
buffer.set_style_scheme(style_scheme)
# parse arguments
if len(args) > 2:
open_file(buffer, args[1])
else:
open_file(buffer, args[0])
# create first window
window = create_main_window(buffer)
window.set_default_size(500, 500)
window.show()
# main loop
gtk.main()
if __name__ == '__main__':
if '--debug' in sys.argv:
import pdb
pdb.run('main(sys.argv)')
else:
main(sys.argv)
|