emoticons_menu is created only once, and correctly destroyed when we change emoticon theme. (It was never destroyed before -> memory leak)

src/chat_control.py

@@ -16,7 +16,6 @@
 ##
 
 import os
-import math
 import time
 import gtk
 import gtk.glade
@@ -272,7 +271,8 @@ class ChatControlBase(MessageControl):
 						cursor.x, cursor.y)
 					x = origin[0] + cursor[0]
 					y = origin[1] + size[1]
-					menu_width, menu_height = self.emoticons_menu.size_request()
+					menu_width, menu_height = \
+						gajim.interface.emoticons_menu.size_request()
 					#FIXME: get_line_count is not so good
 					#get the iter of cursor, then tv.get_line_yrange
 					# so we know in which y we are typing (not how many lines we have
@@ -286,8 +286,9 @@ class ChatControlBase(MessageControl):
 					#else: # move menu just below cursor
 					#	y -= (msg_tv.allocation.height / buf.get_line_count())
 					return (x, y, True) # push_in True
-				self.emoticons_menu.popup(None, None, set_emoticons_menu_position,
-					1, 0)
+				gajim.interface.emoticon_menuitem_clicked = self.append_emoticon
+				gajim.interface.emoticons_menu.popup(None, None,
+					set_emoticons_menu_position, 1, 0)
 		return False
 
 	def _on_message_textview_key_press_event(self, widget, event):
@@ -462,50 +463,26 @@ class ChatControlBase(MessageControl):
 		when needed'''
 		emoticons_button = self.xml.get_widget('emoticons_button')
 		if gajim.config.get('emoticons_theme'):
-			self.emoticons_menu = self.prepare_emoticons_menu()
 			emoticons_button.show()
 			emoticons_button.set_no_show_all(False)
 		else:
-			self.emoticons_menu = None
 			emoticons_button.hide()
 			emoticons_button.set_no_show_all(True)
 
-	def prepare_emoticons_menu(self):
-		menu = gtk.Menu()
-	
-		def append_emoticon(w, d):
-			buffer = self.msg_textview.get_buffer()
-			if buffer.get_char_count():
-				buffer.insert_at_cursor(' %s ' % d)
-			else: # we are the beginning of buffer
-				buffer.insert_at_cursor('%s ' % d)
-			self.msg_textview.grab_focus()
-	
-		counter = 0
-		# Calculate the side lenght of the popup to make it a square
-		size = int(round(math.sqrt(len(gajim.interface.emoticons_images))))
-		for image in gajim.interface.emoticons_images:
-			item = gtk.MenuItem()
-			img = gtk.Image()
-			if type(image[1]) == gtk.gdk.PixbufAnimation:
-				img.set_from_animation(image[1])
-			else:
-				img.set_from_pixbuf(image[1])
-			item.add(img)
-			item.connect('activate', append_emoticon, image[0])
-			#FIXME: add tooltip with ascii
-			menu.attach(item, counter % size, counter % size + 1,
-					counter / size, counter / size + 1)
-			counter += 1
-		menu.show_all()
-		return menu
-
+	def append_emoticon(self, str_):
+		buffer = self.msg_textview.get_buffer()
+		if buffer.get_char_count():
+			buffer.insert_at_cursor(' %s ' % str_)
+		else: # we are the beginning of buffer
+			buffer.insert_at_cursor('%s ' % str_)
+		self.msg_textview.grab_focus()
 	def on_emoticons_button_clicked(self, widget):
 		'''popup emoticons menu'''
 		#FIXME: BUG http://bugs.gnome.org/show_bug.cgi?id=316786
 		self.button_clicked = widget
-		self.emoticons_menu.popup(None, None, self.position_menu_under_button, 1,
-			0)
+		gajim.interface.emoticon_menuitem_clicked = self.append_emoticon
+		gajim.interface.emoticons_menu.popup(None, None,
+			self.position_menu_under_button, 1, 0)
 
 	def on_actions_button_clicked(self, widget):
 		'''popup action menu'''

src/gajim.py

@@ -95,6 +95,7 @@ import signal
 import getopt
 import time
 import threading
+import math
 
 import gtkgui_helpers
 import notify
@@ -1470,6 +1471,32 @@ class Interface:
 	def on_launch_browser_mailer(self, widget, url, kind):
 		helpers.launch_browser_mailer(kind, url)
 
+	def prepare_emoticons_menu(self):
+		menu = gtk.Menu()
+
+		def emoticon_clicked(w, str_):
+			if self.emoticon_menuitem_clicked:
+				self.emoticon_menuitem_clicked(str_)
+
+		counter = 0
+		# Calculate the side lenght of the popup to make it a square
+		size = int(round(math.sqrt(len(gajim.interface.emoticons_images))))
+		for image in gajim.interface.emoticons_images:
+			item = gtk.MenuItem()
+			img = gtk.Image()
+			if type(image[1]) == gtk.gdk.PixbufAnimation:
+				img.set_from_animation(image[1])
+			else:
+				img.set_from_pixbuf(image[1])
+			item.add(img)
+			item.connect('activate', emoticon_clicked, image[0])
+			#FIXME: add tooltip with ascii
+			menu.attach(item, counter % size, counter % size + 1,
+				counter / size, counter / size + 1)
+			counter += 1
+		menu.show_all()
+		return menu
+
 	def init_emoticons(self):
 		if not gajim.config.get('emoticons_theme'):
 			return
@@ -1503,6 +1530,9 @@ class Interface:
 			self.emoticons[emot.upper()] = emot_file
 		sys.path.remove(path)
 		del emots
+		if self.emoticons_menu:
+			gtkgui_helpers.destroy_widget(self.emoticons_menu)
+		self.emoticons_menu = self.prepare_emoticons_menu()
 	
 	def register_handlers(self):
 		self.handlers = {
@@ -1638,6 +1668,9 @@ class Interface:
 		gajim.interface = self
 		# This is the manager and factory of message windows set by the module
 		self.msg_win_mgr = None
+		self.emoticons_menu = None
+		# handler when an emoticon is clicked in emoticons_menu
+		self.emoticon_menuitem_clicked = None
 		self.default_values = {
 			'inmsgcolor': gajim.config.get('inmsgcolor'),
 			'outmsgcolor': gajim.config.get('outmsgcolor'),

src/gtkgui_helpers.py

@@ -602,3 +602,19 @@ def get_possible_button_event(event):
 		event_button = event.button
 
 	return event_button
+
+def destroy_widget(widget):
+	if not widget:
+		return
+	children = []
+	try:
+		children = widget.get_children()
+	except:
+		sys.exc_clear()
+	try:
+		widget.destroy()
+	except:
+		sys.exc_clear()
+	while children:
+		child = children.pop(0)
+		destroy_widget(child)