we can now drag a file and drop it in contact and it will initiate file transfer!

src/dialogs.py

@@ -1675,6 +1675,8 @@ _('Connection with peer cannot be established.')).get_response()
 		self.tree.get_selection().unselect_all()
 		
 	def show_file_send_request(self, account, contact):
+		#FIXME: user better name for this function
+		#atm it's like it shows popup for incoming file transfer request
 		dialog = gtk.FileChooserDialog(title=_('Choose File to Send...'), 
 			action=gtk.FILE_CHOOSER_ACTION_OPEN, 
 			buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))
@@ -1688,16 +1690,19 @@ _('Connection with peer cannot be established.')).get_response()
 		response = dialog.run()
 		if response == gtk.RESPONSE_OK:
 			file_path =  unicode(dialog.get_filename(), 'utf-8')
-			(file_dir, file_name) = os.path.split(file_path)
 			if file_dir:
 				self.last_save_dir = file_dir
-			file_props = self.get_send_file_props(account, contact, 
-				file_path, file_name)
 			dialog.destroy()
-			self.add_transfer(account, contact, file_props)
-			gajim.connections[account].send_file_request(file_props)
+			self.send_file(account, contact, file_path)
 		else:
 			dialog.destroy()
+
+	def send_file(self, account, contact, file_path):
+		(file_dir, file_name) = os.path.split(file_path)
+		file_props = self.get_send_file_props(account, contact, 
+				file_path, file_name)
+		self.add_transfer(account, contact, file_props)
+		gajim.connections[account].send_file_request(file_props)
 	
 	def show_file_request(self, account, contact, file_props):
 		if file_props is None or not file_props.has_key('name'):

src/tabbed_chat_window.py

@@ -24,6 +24,7 @@ import gobject
 import time
 import urllib
 import base64
+import os
 
 import dialogs
 import chat
@@ -50,6 +51,8 @@ class TabbedChatWindow(chat.Chat):
 		self.possible_paused_timeout_id = {}
 		# keep check for possible inactive timeouts per jid
 		self.possible_inactive_timeout_id = {}
+		self.TARGET_TYPE_TEXT = 80
+		self.dnd_list = [ ( 'text/plain', 0, self.TARGET_TYPE_TEXT ) ]
 		self.new_user(user)
 		self.show_title()
 		
@@ -99,6 +102,16 @@ class TabbedChatWindow(chat.Chat):
 			self.mouse_over_in_last_5_secs = True
 			self.mouse_over_in_last_30_secs = True
 
+	def on_drag_data_received(self, widget, context, x, y, selection, target_type,
+timestamp, contact):
+		if target_type == self.TARGET_TYPE_TEXT:
+			path = selection.data.strip() # get path to file
+			if path.startswith('file://'):
+				path = path[7:] # 7 is len('file://')
+				if os.path.isfile(path): # is it file?
+					self.plugin.windows['file_transfers'].send_file(self.account,
+						contact, path)
+
 	def draw_widgets(self, contact):
 		"""draw the widgets in a tab (status_image, contact_button ...)
 		according to the the information in the contact variable"""
@@ -341,6 +354,13 @@ class TabbedChatWindow(chat.Chat):
 		self.childs[contact.jid] = self.xmls[contact.jid].get_widget('chats_vbox')
 		self.contacts[contact.jid] = contact
 		
+		
+		self.childs[contact.jid].connect('drag_data_received',
+			self.on_drag_data_received, contact)
+		self.childs[contact.jid].drag_dest_set( gtk.DEST_DEFAULT_MOTION |
+			gtk.DEST_DEFAULT_HIGHLIGHT | gtk.DEST_DEFAULT_DROP,
+				 self.dnd_list, gtk.gdk.ACTION_COPY)
+		
 		message_textview = self.xmls[contact.jid].get_widget('message_textview')
 		message_tv_buffer = message_textview.get_buffer()
 		message_tv_buffer.connect('insert-text',