/usr/share/cherrytree/modules/codeboxes.py is in cherrytree 0.32.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# codeboxes.py
#
# Copyright 2009-2014 Giuseppe Penone <giuspen@gmail.com>
#
# 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 3 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., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
import gtk, gtksourceview2, pango
import os
import cons, support
DRAW_SPACES_FLAGS = gtksourceview2.DRAW_SPACES_ALL & ~gtksourceview2.DRAW_SPACES_NEWLINE
CB_WIDTH_HEIGHT_STEP_PIX = 30
CB_WIDTH_HEIGHT_STEP_PERC = 9
CB_WIDTH_LIMIT_MIN = 40
CB_HEIGHT_LIMIT_MIN = 30
class CodeBoxesHandler:
"""Handler of the CodeBoxes"""
def __init__(self, dad):
"""Lists Handler boot"""
self.dad = dad
def codebox_cut(self, *args):
"""Cut CodeBox"""
self.dad.object_set_selection(self.curr_codebox_anchor)
self.dad.sourceview.emit("cut-clipboard")
def codebox_copy(self, *args):
"""Copy CodeBox"""
self.dad.object_set_selection(self.curr_codebox_anchor)
self.dad.sourceview.emit("copy-clipboard")
def codebox_delete(self, *args):
"""Delete CodeBox"""
self.dad.object_set_selection(self.curr_codebox_anchor)
self.dad.curr_buffer.delete_selection(True, self.dad.sourceview.get_editable())
self.dad.sourceview.grab_focus()
def dialog_codeboxhandle(self, title, syntax_highl, line_num, match_bra):
"""Opens the CodeBox Handle Dialog"""
dialog = gtk.Dialog(title=title,
parent=self.dad.window,
flags=gtk.DIALOG_MODAL|gtk.DIALOG_DESTROY_WITH_PARENT,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))
dialog.set_default_size(300, -1)
dialog.set_position(gtk.WIN_POS_CENTER_ON_PARENT)
combobox_prog_lang = gtk.ComboBox(model=self.dad.prog_lang_liststore)
cell = gtk.CellRendererText()
combobox_prog_lang.pack_start(cell, True)
combobox_prog_lang.add_attribute(cell, 'text', 0)
combobox_prog_lang.set_active_iter(self.dad.get_combobox_iter_from_value(self.dad.prog_lang_liststore, 1, syntax_highl))
type_vbox = gtk.VBox()
type_vbox.pack_start(combobox_prog_lang)
type_vbox.set_border_width(6)
type_frame = gtk.Frame(label="<b>"+_("Automatic Syntax Highlighting")+"</b>")
type_frame.get_label_widget().set_use_markup(True)
type_frame.set_shadow_type(gtk.SHADOW_NONE)
type_frame.add(type_vbox)
label_width = gtk.Label(_("Width"))
adj_width = gtk.Adjustment(value=self.dad.codebox_width, lower=1, upper=10000, step_incr=1)
spinbutton_width = gtk.SpinButton(adj_width)
spinbutton_width.set_value(self.dad.codebox_width)
label_height = gtk.Label(_("Height"))
adj_height = gtk.Adjustment(value=self.dad.codebox_height, lower=1, upper=10000, step_incr=1)
spinbutton_height = gtk.SpinButton(adj_height)
spinbutton_height.set_value(self.dad.codebox_height)
radiobutton_codebox_pixels = gtk.RadioButton(label=_("pixels"))
radiobutton_codebox_percent = gtk.RadioButton(label="%")
radiobutton_codebox_percent.set_group(radiobutton_codebox_pixels)
radiobutton_codebox_pixels.set_active(self.dad.codebox_width_pixels)
radiobutton_codebox_percent.set_active(not self.dad.codebox_width_pixels)
vbox_pix_perc = gtk.VBox()
vbox_pix_perc.pack_start(radiobutton_codebox_pixels)
vbox_pix_perc.pack_start(radiobutton_codebox_percent)
hbox_width = gtk.HBox()
hbox_width.pack_start(label_width, expand=False)
hbox_width.pack_start(spinbutton_width, expand=False)
hbox_width.pack_start(vbox_pix_perc)
hbox_width.set_spacing(5)
hbox_height = gtk.HBox()
hbox_height.pack_start(label_height, expand=False)
hbox_height.pack_start(spinbutton_height, expand=False)
hbox_height.set_spacing(5)
vbox_size = gtk.VBox()
vbox_size.pack_start(hbox_width)
vbox_size.pack_start(hbox_height)
size_align = gtk.Alignment()
size_align.set_padding(0, 6, 6, 6)
size_align.add(vbox_size)
size_frame = gtk.Frame(label="<b>"+_("Size")+"</b>")
size_frame.get_label_widget().set_use_markup(True)
size_frame.set_shadow_type(gtk.SHADOW_NONE)
size_frame.add(size_align)
checkbutton_codebox_linenumbers = gtk.CheckButton(label=_("Show Line Numbers"))
checkbutton_codebox_linenumbers.set_active(line_num)
checkbutton_codebox_matchbrackets = gtk.CheckButton(label=_("Highlight Matching Brackets"))
checkbutton_codebox_matchbrackets.set_active(match_bra)
vbox_options = gtk.VBox()
vbox_options.pack_start(checkbutton_codebox_linenumbers)
vbox_options.pack_start(checkbutton_codebox_matchbrackets)
opt_align = gtk.Alignment()
opt_align.set_padding(6, 6, 6, 6)
opt_align.add(vbox_options)
options_frame = gtk.Frame(label="<b>"+_("Options")+"</b>")
options_frame.get_label_widget().set_use_markup(True)
options_frame.set_shadow_type(gtk.SHADOW_NONE)
options_frame.add(opt_align)
content_area = dialog.get_content_area()
content_area.set_spacing(5)
content_area.pack_start(type_frame)
content_area.pack_start(size_frame)
content_area.pack_start(options_frame)
content_area.show_all()
def on_key_press_codeboxhandle(widget, event):
keyname = gtk.gdk.keyval_name(event.keyval)
if keyname == cons.STR_RETURN:
try: dialog.get_widget_for_response(gtk.RESPONSE_ACCEPT).clicked()
except: print cons.STR_PYGTK_222_REQUIRED
return True
return False
def on_radiobutton_codebox_pixels_toggled(radiobutton):
if radiobutton.get_active():
spinbutton_width.set_value(700)
else:
if spinbutton_width.get_value() > 100:
spinbutton_width.set_value(90)
dialog.connect('key_press_event', on_key_press_codeboxhandle)
radiobutton_codebox_pixels.connect('toggled', on_radiobutton_codebox_pixels_toggled)
response = dialog.run()
dialog.hide()
if response == gtk.RESPONSE_ACCEPT:
ret_syntax = self.dad.prog_lang_liststore[combobox_prog_lang.get_active_iter()][1]
self.dad.codebox_width = spinbutton_width.get_value()
self.dad.codebox_width_pixels = radiobutton_codebox_pixels.get_active()
self.dad.codebox_height = spinbutton_height.get_value()
ret_line_num = checkbutton_codebox_linenumbers.get_active()
ret_match_bra = checkbutton_codebox_matchbrackets.get_active()
return [ret_syntax, ret_line_num, ret_match_bra]
return [None, None, None]
def codebox_handle(self):
"""Insert Code Box"""
if self.dad.curr_buffer.get_has_selection():
iter_sel_start, iter_sel_end = self.dad.curr_buffer.get_selection_bounds()
fill_text = unicode(self.dad.curr_buffer.get_text(iter_sel_start, iter_sel_end), cons.STR_UTF8, cons.STR_IGNORE)
else: fill_text = None
ret_syntax, ret_line_num, ret_match_bra = self.dialog_codeboxhandle(_("Insert a CodeBox"), "sh", False, True)
if not ret_syntax: return
codebox_dict = {
'frame_width': int(self.dad.codebox_width),
'frame_height': int(self.dad.codebox_height),
'width_in_pixels': self.dad.codebox_width_pixels,
'syntax_highlighting': ret_syntax,
'highlight_brackets': ret_match_bra,
'show_line_numbers': ret_line_num,
'fill_text': fill_text
}
if fill_text: self.dad.curr_buffer.delete(iter_sel_start, iter_sel_end)
iter_insert = self.dad.curr_buffer.get_iter_at_mark(self.dad.curr_buffer.get_insert())
self.codebox_insert(iter_insert, codebox_dict)
def codebox_insert(self, iter_insert, codebox_dict, codebox_justification=None, text_buffer=None):
"""Insert Code Box"""
if not text_buffer: text_buffer = self.dad.curr_buffer
anchor = text_buffer.create_child_anchor(iter_insert)
self.curr_codebox_anchor = anchor
anchor.frame_width = codebox_dict['frame_width']
anchor.frame_height = codebox_dict['frame_height']
anchor.width_in_pixels = codebox_dict['width_in_pixels']
anchor.syntax_highlighting = codebox_dict['syntax_highlighting']
anchor.highlight_brackets = codebox_dict['highlight_brackets']
anchor.show_line_numbers = codebox_dict['show_line_numbers']
anchor.sourcebuffer = gtksourceview2.Buffer()
anchor.sourcebuffer.set_style_scheme(self.dad.sourcestyleschememanager.get_scheme(self.dad.style_scheme))
self.dad.set_sourcebuffer_syntax_highlight(anchor.sourcebuffer, anchor.syntax_highlighting)
anchor.sourcebuffer.set_highlight_matching_brackets(anchor.highlight_brackets)
anchor.sourcebuffer.connect('insert-text', self.dad.on_text_insertion)
anchor.sourcebuffer.connect('delete-range', self.dad.on_text_removal)
anchor.sourcebuffer.connect('modified-changed', self.dad.on_modified_changed)
if codebox_dict['fill_text']:
anchor.sourcebuffer.set_text(codebox_dict['fill_text'])
anchor.sourcebuffer.set_modified(False)
anchor.sourceview = gtksourceview2.View(anchor.sourcebuffer)
anchor.sourceview.set_smart_home_end(gtksourceview2.SMART_HOME_END_BEFORE)
if self.dad.highl_curr_line: anchor.sourceview.set_highlight_current_line(True)
if self.dad.show_white_spaces: anchor.sourceview.set_draw_spaces(DRAW_SPACES_FLAGS)
anchor.sourceview.modify_font(pango.FontDescription(self.dad.code_font))
anchor.sourceview.set_show_line_numbers(anchor.show_line_numbers)
anchor.sourceview.set_insert_spaces_instead_of_tabs(self.dad.spaces_instead_tabs)
anchor.sourceview.set_tab_width(self.dad.tabs_width)
anchor.sourceview.set_auto_indent(self.dad.auto_indent)
anchor.sourceview.connect('populate-popup', self.on_sourceview_populate_popup_codebox, anchor)
anchor.sourceview.connect('key_press_event', self.on_key_press_sourceview_codebox, anchor)
anchor.sourceview.connect('button-press-event', self.on_mouse_button_clicked_codebox, anchor)
if self.dad.line_wrapping: anchor.sourceview.set_wrap_mode(gtk.WRAP_WORD)
else: anchor.sourceview.set_wrap_mode(gtk.WRAP_NONE)
scrolledwindow = gtk.ScrolledWindow()
scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
scrolledwindow.add(anchor.sourceview)
anchor.frame = gtk.Frame()
self.codebox_apply_width_height(anchor)
anchor.frame.add(scrolledwindow)
self.dad.sourceview.add_child_at_anchor(anchor.frame, anchor)
for win in [gtk.TEXT_WINDOW_LEFT, gtk.TEXT_WINDOW_RIGHT, gtk.TEXT_WINDOW_TOP, gtk.TEXT_WINDOW_BOTTOM]:
anchor.sourceview.set_border_window_size(win, 1)
anchor.frame.set_shadow_type(gtk.SHADOW_NONE)
anchor.frame.show_all()
if codebox_justification:
text_iter = text_buffer.get_iter_at_child_anchor(anchor)
self.dad.state_machine.apply_object_justification(text_iter, codebox_justification, text_buffer)
elif self.dad.user_active:
# if I apply a justification, the state is already updated
self.dad.state_machine.update_state(self.dad.treestore[self.dad.curr_tree_iter][3])
def codebox_increase_width(self, *args):
"""Increase CodeBox Width"""
if self.curr_codebox_anchor.width_in_pixels:
self.codebox_change_width_height(self.curr_codebox_anchor.frame_width + CB_WIDTH_HEIGHT_STEP_PIX, 0)
else:
self.codebox_change_width_height(self.curr_codebox_anchor.frame_width + CB_WIDTH_HEIGHT_STEP_PERC, 0)
def codebox_decrease_width(self, *args):
"""Decrease CodeBox Width"""
if self.curr_codebox_anchor.width_in_pixels:
if self.curr_codebox_anchor.frame_width - CB_WIDTH_HEIGHT_STEP_PIX >= CB_WIDTH_LIMIT_MIN:
self.codebox_change_width_height(self.curr_codebox_anchor.frame_width - CB_WIDTH_HEIGHT_STEP_PIX, 0)
else:
if self.curr_codebox_anchor.frame_width - CB_WIDTH_HEIGHT_STEP_PERC >= CB_WIDTH_LIMIT_MIN:
self.codebox_change_width_height(self.curr_codebox_anchor.frame_width - CB_WIDTH_HEIGHT_STEP_PERC, 0)
def codebox_increase_height(self, *args):
"""Increase CodeBox Height"""
self.codebox_change_width_height(0, self.curr_codebox_anchor.frame_height + CB_WIDTH_HEIGHT_STEP_PIX)
def codebox_decrease_height(self, *args):
"""Decrease CodeBox Height"""
if self.curr_codebox_anchor.frame_height - CB_WIDTH_HEIGHT_STEP_PIX >= CB_HEIGHT_LIMIT_MIN:
self.codebox_change_width_height(0, self.curr_codebox_anchor.frame_height - CB_WIDTH_HEIGHT_STEP_PIX)
def codebox_apply_width_height(self, anchor, from_shortcut=False):
"""Apply Width and Height Changes to CodeBox"""
if anchor.width_in_pixels: frame_width = anchor.frame_width
else: frame_width = self.dad.get_text_window_width()*anchor.frame_width/100
anchor.frame.set_size_request(frame_width, anchor.frame_height)
if from_shortcut:
self.dad.update_window_save_needed("nbuf", True)
def codebox_change_width_height(self, new_width, new_height):
"""Replace CodeBox changing Width and Height"""
codebox_iter = self.dad.curr_buffer.get_iter_at_child_anchor(self.curr_codebox_anchor)
codebox_element = [codebox_iter.get_offset(),
self.dad.state_machine.codebox_to_dict(self.curr_codebox_anchor,
for_print=0),
self.dad.state_machine.get_iter_alignment(codebox_iter)]
if new_width: codebox_element[1]['frame_width'] = new_width
if new_height: codebox_element[1]['frame_height'] = new_height
#cursor_pos_restore = self.curr_codebox_anchor.sourcebuffer.get_property(cons.STR_CURSOR_POSITION)
self.codebox_delete()
iter_insert = self.dad.curr_buffer.get_iter_at_offset(codebox_element[0])
self.codebox_insert(iter_insert, codebox_element[1], codebox_element[2])
self.curr_codebox_anchor.sourceview.grab_focus()
#self.curr_codebox_anchor.sourcebuffer.place_cursor(self.curr_codebox_anchor.sourcebuffer.get_iter_at_offset(cursor_pos_restore))
#self.curr_codebox_anchor.sourceview.scroll_to_mark(self.curr_codebox_anchor.sourcebuffer.get_insert(), 0.3)
def codebox_change_properties(self, action):
"""Change CodeBox Properties"""
self.dad.codebox_width = self.curr_codebox_anchor.frame_width
self.dad.codebox_width_pixels = self.curr_codebox_anchor.width_in_pixels
self.dad.codebox_height = self.curr_codebox_anchor.frame_height
ret_syntax, ret_line_num, ret_match_bra = self.dialog_codeboxhandle(_("Edit CodeBox"), self.curr_codebox_anchor.syntax_highlighting, self.curr_codebox_anchor.show_line_numbers, self.curr_codebox_anchor.highlight_brackets)
if not ret_syntax: return
self.curr_codebox_anchor.syntax_highlighting = ret_syntax
self.dad.set_sourcebuffer_syntax_highlight(self.curr_codebox_anchor.sourcebuffer, self.curr_codebox_anchor.syntax_highlighting)
self.curr_codebox_anchor.frame_width = int(self.dad.codebox_width)
self.curr_codebox_anchor.frame_height = int(self.dad.codebox_height)
self.curr_codebox_anchor.width_in_pixels = self.dad.codebox_width_pixels
self.curr_codebox_anchor.highlight_brackets = ret_match_bra
self.curr_codebox_anchor.sourcebuffer.set_highlight_matching_brackets(self.curr_codebox_anchor.highlight_brackets)
self.curr_codebox_anchor.show_line_numbers = ret_line_num
self.curr_codebox_anchor.sourceview.set_show_line_numbers(self.curr_codebox_anchor.show_line_numbers)
self.codebox_apply_width_height(self.curr_codebox_anchor)
self.dad.update_window_save_needed("nbuf", True)
def on_key_press_sourceview_codebox(self, widget, event, anchor):
"""Extend the Default Right-Click Menu of the CodeBox"""
if event.state & gtk.gdk.CONTROL_MASK:
keyname = gtk.gdk.keyval_name(event.keyval)
self.curr_codebox_anchor = anchor
if keyname == "period":
if event.state & gtk.gdk.MOD1_MASK:
self.codebox_decrease_width()
else: self.codebox_increase_width()
elif keyname == "comma":
if event.state & gtk.gdk.MOD1_MASK:
self.codebox_decrease_height()
else: self.codebox_increase_height()
def on_mouse_button_clicked_codebox(self, widget, event, anchor):
"""Catches mouse buttons clicks"""
self.curr_codebox_anchor = anchor
if event.button != 3:
self.dad.object_set_selection(self.curr_codebox_anchor)
def on_sourceview_populate_popup_codebox(self, textview, menu, anchor):
"""Extend the Default Right-Click Menu of the CodeBox"""
self.dad.menu_populate_popup(menu, cons.get_popup_menu_entries_codebox(self), self.dad.orphan_accel_group)
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