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#!/usr/bin/env python
import gtk, pango
class TextViewAdvanced:
def __init__(self):
window = gtk.Window()
window.set_default_size(-1, 350)
vbox = gtk.VBox(False, 5)
scrolledwindow = gtk.ScrolledWindow()
scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
hbox = gtk.HBox(True, 5)
texttagtable = gtk.TextTagTable()
self.textbuffer = gtk.TextBuffer(texttagtable)
self.textview = gtk.TextView(self.textbuffer)
self.textview.set_wrap_mode(gtk.WRAP_WORD)
button_bold = gtk.Button("Bold", gtk.STOCK_BOLD)
button_italic = gtk.Button("Italic", gtk.STOCK_ITALIC)
button_underline = gtk.Button("Underline", gtk.STOCK_UNDERLINE)
self.texttag_bold = gtk.TextTag("bold")
self.texttag_bold.set_property("weight", pango.WEIGHT_BOLD)
texttagtable.add(self.texttag_bold)
self.texttag_italic = gtk.TextTag("italic")
self.texttag_italic.set_property("style", pango.STYLE_ITALIC)
texttagtable.add(self.texttag_italic)
self.texttag_underline = gtk.TextTag("underline")
self.texttag_underline.set_property("underline", pango.UNDERLINE_SINGLE)
texttagtable.add(self.texttag_underline)
hbox.pack_start(button_bold)
hbox.pack_start(button_italic)
hbox.pack_start(button_underline)
window.connect("destroy", lambda w: gtk.main_quit())
button_bold.connect("clicked", self.bold_text)
button_italic.connect("clicked", self.italic_text)
button_underline.connect("clicked", self.underline_text)
window.add(vbox)
vbox.pack_start(scrolledwindow, True, True, 0)
vbox.pack_start(hbox, False, False, 0)
scrolledwindow.add(self.textview)
file = open("gtk.txt", "r")
self.textbuffer.set_text(file.read())
file.close()
window.show_all()
def bold_text(self, widget):
if self.textbuffer.get_selection_bounds() != ():
start, end = self.textbuffer.get_selection_bounds()
self.textbuffer.apply_tag(self.texttag_bold, start, end)
def italic_text(self, widget):
if self.textbuffer.get_selection_bounds() != ():
start, end = self.textbuffer.get_selection_bounds()
self.textbuffer.apply_tag(self.texttag_italic, start, end)
def underline_text(self, widget):
if self.textbuffer.get_selection_bounds() != ():
start, end = self.textbuffer.get_selection_bounds()
self.textbuffer.apply_tag(self.texttag_underline, start, end)
TextViewAdvanced()
gtk.main()
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