/usr/lib/python2.7/dist-packages/tryton/gui/window/view_form/view/form_gtk/richtextbox.py is in tryton-client 3.8.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
from gettext import gettext as _
import gtk
from .textbox import TextBox
from tryton.common import get_toplevel_window
from tryton.common.htmltextbuffer import (serialize, deserialize,
setup_tags, normalize_markup, remove_tags, register_foreground,
FAMILIES, SIZE2SCALE, MIME)
from tryton.config import CONFIG
SIZES = sorted(SIZE2SCALE.keys())
class RichTextBox(TextBox):
def __init__(self, view, attrs):
super(RichTextBox, self).__init__(view, attrs)
self.text_buffer = gtk.TextBuffer()
setup_tags(self.text_buffer)
self.text_buffer.register_serialize_format(
MIME, serialize, None)
self.text_buffer.register_deserialize_format(
MIME, deserialize, None)
self.text_buffer.connect_after('insert-text', self.insert_text_style)
self.textview.set_buffer(self.text_buffer)
self.textview.connect_after('move-cursor', self.detect_style)
self.textview.connect('button-release-event', self.detect_style)
self.toolbar = gtk.Toolbar()
self.toolbar.set_style({
'default': False,
'both': gtk.TOOLBAR_BOTH,
'text': gtk.TOOLBAR_TEXT,
'icons': gtk.TOOLBAR_ICONS}[CONFIG['client.toolbar']])
self.widget.pack_start(self.toolbar, expand=False, fill=True)
self.tag_widgets = {}
self.tags = {}
for icon in ['bold', 'italic', 'underline']:
button = gtk.ToggleToolButton('gtk-%s' % icon)
button.connect('toggled', self.toggle_props, icon)
self.toolbar.insert(button, -1)
self.tag_widgets[icon] = button
self.toolbar.insert(gtk.SeparatorToolItem(), -1)
for name, options, active in [
('family', FAMILIES, FAMILIES.index('normal')),
('size', SIZES, SIZES.index('4')),
]:
try:
combobox = gtk.ComboBoxText()
except AttributeError:
combobox = gtk.combo_box_new_text()
for option in options:
combobox.append_text(option)
combobox.set_active(active)
combobox.set_focus_on_click(False)
combobox.connect('changed', self.change_props, name)
tool = gtk.ToolItem()
tool.add(combobox)
self.toolbar.insert(tool, -1)
self.tag_widgets[name] = combobox
self.toolbar.insert(gtk.SeparatorToolItem(), -1)
button = None
for icon in ['left', 'center', 'right', 'fill']:
name = icon
if icon == 'fill':
name = 'justify'
button = gtk.RadioToolButton(button, 'gtk-justify-%s' % icon)
button.set_active(icon == 'left')
button.connect('toggled', self.toggle_justification, name)
self.toolbar.insert(button, -1)
self.tag_widgets[name] = button
self.toolbar.insert(gtk.SeparatorToolItem(), -1)
self.colors = {}
for icon, label in [
('foreground', _('Foreground')),
# TODO ('background', _('Background')),
]:
button = gtk.ToolButton('tryton-text-%s' % icon)
button.set_label(label)
button.connect('clicked', self.toggle_color, icon)
self.toolbar.insert(button, -1)
self.tag_widgets[icon] = button
def get_value(self):
start = self.text_buffer.get_start_iter()
end = self.text_buffer.get_end_iter()
return self.text_buffer.serialize(
self.text_buffer, MIME, start, end)
@property
def modified(self):
if self.record and self.field:
value = normalize_markup(self.field.get_client(self.record) or '')
return value != self.get_value()
return False
def set_buffer(self, value):
self.text_buffer.handler_block_by_func(self.insert_text_style)
start = self.text_buffer.get_start_iter()
end = self.text_buffer.get_end_iter()
self.text_buffer.delete(start, end)
self.text_buffer.deserialize(
self.text_buffer, MIME, start, value)
self.text_buffer.handler_unblock_by_func(self.insert_text_style)
def _readonly_set(self, value):
super(RichTextBox, self)._readonly_set(value)
self.toolbar.set_sensitive(not value)
def detect_style(self, *args):
try:
start, end = self.text_buffer.get_selection_bounds()
except ValueError:
start = end = self.text_buffer.get_iter_at_mark(
self.text_buffer.get_insert())
def toggle_button(name, values):
try:
value, = values
except ValueError:
value = False
button = self.tag_widgets[name]
button.handler_block_by_func(self.toggle_props)
button.set_active(value)
button.handler_unblock_by_func(self.toggle_props)
def set_combobox(name, indexes):
try:
index, = indexes
except ValueError:
index = -1
combobox = self.tag_widgets[name]
combobox.handler_block_by_func(self.change_props)
combobox.set_active(index)
combobox.handler_unblock_by_func(self.change_props)
def toggle_justification(names, value):
if len(names) != 1:
value = False
for name in names:
button = self.tag_widgets[name]
button.handler_block_by_func(self.toggle_justification)
button.set_active(value)
button.handler_unblock_by_func(self.toggle_justification)
bolds, italics, underlines = set(), set(), set()
families, sizes, justifications = set(), set(), set()
iter_ = start.copy()
while True:
bold, italic, underline = False, False, False
family = FAMILIES.index('normal')
size = SIZES.index('4')
justification = 'left'
for tag in iter_.get_tags():
if not tag.props.name:
continue
elif tag.props.name == 'bold':
bold = True
elif tag.props.name == 'italic':
italic = True
elif tag.props.name == 'underline':
underline = True
elif tag.props.name.startswith('family'):
_, family = tag.props.name.split()
family = FAMILIES.index(family)
elif tag.props.name.startswith('size'):
_, size = tag.props.name.split()
size = SIZES.index(size)
elif tag.props.name.startswith('justification'):
_, justification = tag.props.name.split()
bolds.add(bold)
italics.add(italic)
underlines.add(underline)
families.add(family)
sizes.add(size)
justifications.add(justification)
iter_.forward_char()
if iter_.compare(end) > 0:
iter_ = end
if iter_.compare(end) == 0:
break
for name, values in [
('bold', bolds),
('italic', italics),
('underline', underlines)]:
toggle_button(name, values)
set_combobox('family', families)
set_combobox('size', sizes)
toggle_justification(justifications, True)
def insert_text_style(self, text_buffer, iter_, text, length):
# Text is already inserted so iter_ point to the end
start = iter_.copy()
start.backward_chars(length)
end = iter_.copy()
# Apply tags activated from toolbar
for name, widget in self.tag_widgets.iteritems():
self._apply_tool(name, widget, start, end)
def _apply_tool(self, name, tool, start, end):
# First test RadioToolButton as they inherit from ToggleToolButton
if isinstance(tool, gtk.RadioToolButton):
name = 'justification %s' % name
if not tool.get_active():
remove_tags(self.text_buffer, start, end, name)
else:
remove_tags(self.text_buffer, start, end, 'justification')
self.text_buffer.apply_tag_by_name(name, start, end)
elif isinstance(tool, gtk.ToggleToolButton):
if tool.get_active():
self.text_buffer.apply_tag_by_name(name, start, end)
else:
self.text_buffer.remove_tag_by_name(name, start, end)
elif isinstance(tool, gtk.ComboBox):
value = tool.get_active_text()
remove_tags(self.text_buffer, start, end, name)
name = '%s %s' % (name, value)
self.text_buffer.apply_tag_by_name(name, start, end)
def toggle_props(self, toggle, name):
try:
start, end = self.text_buffer.get_selection_bounds()
except ValueError:
return
self._apply_tool(name, toggle, start, end)
def change_props(self, combobox, name):
try:
start, end = self.text_buffer.get_selection_bounds()
except ValueError:
return
self._apply_tool(name, combobox, start, end)
def toggle_justification(self, button, name):
try:
start, end = self.text_buffer.get_selection_bounds()
except ValueError:
insert = self.text_buffer.get_insert()
start = self.text_buffer.get_iter_at_mark(insert)
end = start.copy()
start.set_line_offset(0)
if not end.ends_line():
end.forward_to_line_end()
self._apply_tool(name, button, start, end)
def toggle_color(self, button, name):
insert = self.text_buffer.get_insert()
try:
start, end = self.text_buffer.get_selection_bounds()
except ValueError:
start = end = None
else:
# Use offset position to preserve across buffer modification
start = start.get_offset()
end = end.get_offset()
dialog = gtk.ColorSelectionDialog(_('Select a color'))
dialog.set_transient_for(get_toplevel_window())
dialog.colorsel.set_has_palette(True)
color = self.colors.get(name)
if color:
dialog.colorsel.set_current_color(color)
if dialog.run() == gtk.RESPONSE_OK:
color = dialog.colorsel.get_current_color()
self.colors[name] = color
if start is not None and end is not None:
start = self.text_buffer.get_iter_at_offset(start)
end = self.text_buffer.get_iter_at_offset(end)
tag = register_foreground(self.text_buffer, color)
remove_tags(self.text_buffer, start, end, name)
self.text_buffer.apply_tag(tag, start, end)
dialog.destroy()
self.text_buffer.place_cursor(
self.text_buffer.get_iter_at_mark(insert))
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