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#!/usr/bin/env python
import pygtk
pygtk.require('2.0')
import gtk
import pango
class RichTextBuffer(gtk.TextBuffer):
def __init__(self):
gtk.TextBuffer.__init__(self)
self.connect_after("insert-text", self.__insert_text_cb)
self.__create_tags()
self.active_tags = []
def apply_tag(self, tag_name):
self.active_tags.append(tag_name)
def unapply_tag(self, tag_name):
self.active_tags.remove(tag_name)
def __create_tags(self):
tag = self.create_tag("bold")
tag.set_property("weight", pango.WEIGHT_BOLD)
tag = self.create_tag("italic")
tag.set_property("style", pango.STYLE_ITALIC)
def __insert_text_cb(self, widget, pos, text, length):
for tag in self.active_tags:
pos_end = pos.copy()
pos_end.backward_chars(length)
self.apply_tag_by_name(tag, pos, pos_end)
def to_xml():
next_iter = buffer.get_start_iter()
while not next_iter.is_end():
class RichTextToolbar(gtk.Toolbar):
def __init__(self, buf):
gtk.Toolbar.__init__(self)
self.buf = buf
item = gtk.ToggleToolButton(gtk.STOCK_BOLD)
item.connect("toggled", self.__toggle_style_cb, "bold")
self.insert(item, -1)
item.show()
item = gtk.ToggleToolButton(gtk.STOCK_ITALIC)
item.connect("toggled", self.__toggle_style_cb, "italic")
self.insert(item, -1)
item.show()
def __toggle_style_cb(self, toggle, tag_name):
if toggle.get_active():
self.buf.apply_tag(tag_name)
else:
self.buf.unapply_tag(tag_name)
def test_quit(window, rich_buf):
print rich_buf.to_xml()
gtk.main_quit()
if __name__ == "__main__":
window = gtk.Window()
window.set_default_size(400, 300)
vbox = gtk.VBox()
rich_buf = RichTextBuffer()
view = gtk.TextView(rich_buf)
vbox.pack_start(view)
view.show()
toolbar = RichTextToolbar(rich_buf)
vbox.pack_start(toolbar, False)
toolbar.show()
window.add(vbox)
vbox.show()
window.show()
window.connect("destroy", test_quit, rich_buf)
gtk.main()
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