My final code

main.py

@@ -2,8 +2,8 @@
 #  Copyright (C) 2012  
 #  miheer mukund vaidya
 #  jaydev kshirsagar
-#  akash agrawaal
-#  tejas bubne
+#  akash agrawal
+#  tejas bubane
 #  v.miheer@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

tejas.py

@@ -0,0 +1,99 @@
+#    			GUI for Leviosa
+#	This is the GUI for Leviosa project that can select custom colors
+#  Copyright (C) 2012  
+#  Tejas Pramod Bubane (tejasbubane@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, see <http://www.gnu.org/licenses/>.
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+import cv
+
+class leviosa:
+	def default(self, widget, data): #send default values
+		#print "default values"
+		return [[[20, 100, 100], [40, 180, 255]], [[150, 100, 100], [170, 180, 255]]]
+
+	def custom(self, widget, data): # get custom values from color-selection widget and send them
+			#print "I need to call color widget"
+		result = []
+
+		# Initialize capturing live feed from the camera
+		capture = 0
+		capture = cv.CaptureFromCAM(0)
+
+		# Couldn't get a device? Throw an error and quit
+		if (not capture):
+			print "Could not initialize capturing...\n"
+			return -1
+
+		cv.NamedWindow("video")
+
+		for i in range(20):
+			# Will hold a frame captured from the camera
+			frame = 0
+			frame = cv.QueryFrame(capture)
+			cv.ShowImage("video", frame)
+
+		for i in range(2):
+			cdlg = gtk.ColorSelectionDialog("Select Color")
+			response = cdlg.run()
+			if response == gtk.RESPONSE_OK:
+				colorsel = cdlg.colorsel
+				color = colorsel.get_current_color()
+				#self.label.modify_fg(gtk.STATE_NORMAL, color)
+			cdlg.destroy()
+			l1 = int(color.hue * 180) - 10
+			if l1 < 0: l1 = 0
+			l2 = int(color.saturation * 255) - 40
+			if l2 < 0: l2 = 0
+			u1 = int(color.hue * 180) + 10
+			if u1 > 180: u1 = 180
+			u2 = int(color.saturation * 255) + 40
+			if u2 > 255: u2 = 255
+			#result.append([int(color.hue * 360)/2 - 10, int(color.saturation * 100) * 2.55 - 40, 255], [int(color.hue * 360)/2 + 10, int(color.saturation * 100) * 2.55 + 40, 255])
+			result.append([l1, l2, 100])
+			result.append([u1, u2, 255])
+		#print result
+		return result
+
+	def delete_event(self, widget, event, data=None): #exit safely from gtk
+		gtk.main_quit()
+		return False
+
+	def __init__(self):
+		self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
+		self.window.set_title("Welcome to Leviosa!!")
+		self.window.connect("delete_event",self.delete_event)
+		self.window.set_border_width(100)
+		self.box1 = gtk.HBox(False, 0)
+		self.window.add(self.box1)
+		self.button1 = gtk.Button("Default Colors")
+		self.button1.connect("clicked", self.default, None)
+		self.box1.pack_start(self.button1, True, True, 0)
+		self.button1.show()
+		self.button2 = gtk.Button("Custom Colors")
+		self.button2.connect("clicked", self.custom, None)
+		self.box1.pack_start(self.button2, True, True, 0)
+		self.button2.show()
+
+		self.box1.show()
+		self.window.show()
+
+def main():
+	gtk.main()
+
+if __name__ == '__main__':
+	L = leviosa()
+	main()