Initial rich text code

chat/richtext.py

@@ -0,0 +1,91 @@
+#!/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()