applying ctrl+keyup/down patch after cleaning and testing. Thanks rohan for patch

src/chat.py

@@ -61,6 +61,12 @@ class Chat:
 		self.names = {} # what is printed in the tab (eg. user.name)
 		self.childs = {}
 
+		#The following vars are used to keep history of user's messages
+		self.sent_history = {}
+		self.sent_history_pos = {}
+		self.typing_new = {}
+		self.orig_msg = {}
+
 	def update_tags(self):
 		for jid in self.tagIn:
 			self.tagIn[jid].set_property('foreground',
@@ -321,6 +327,12 @@ class Chat:
 
 		self.notebook.append_page_menu(child, tab_hbox, gtklabel)
 
+		#init new sent history for this conversation
+		self.sent_history[jid] = []
+		self.sent_history_pos[jid] = 0
+		self.typing_new[jid] = True
+		self.orig_msg[jid] = ''
+
 		self.show_title()
 
 	def on_conversation_textview_key_press_event(self, widget, event):
@@ -742,3 +754,46 @@ class Chat:
 				self.plugin.systray.add_jid(jid, self.account)
 			self.redraw_tab(jid)
 			self.show_title()
+
+	def save_sent_message(self, jid, message):
+		#save the message, so user can scroll though the list with key up/down
+		size = len(self.sent_history[jid])
+		#we don't want size of the buffer to grow indefinately
+		max_size = gajim.config.get('key_up_lines')
+		if size >= max_size:
+			for i in range(0, size - 1): 
+				self.sent_history[jid][i] = self.sent_history[jid][i+1]
+			self.sent_history[jid][max_size - 1] = message
+		else:
+			self.sent_history[jid].append(message)
+
+		self.sent_history_pos[jid] = size + 1
+		self.typing_new[jid] = True
+		self.orig_msg[jid] = ''
+	
+	def sent_messages_scroll(self, jid, direction, conv_buf):
+		size = len(self.sent_history[jid]) 
+		if direction == 'up':
+			if self.sent_history_pos[jid] == 0:
+				return
+	
+			if self.typing_new[jid]:
+				#user was typing something and then went into history, so save
+				#whatever is already typed
+				start_iter = conv_buf.get_start_iter()
+				end_iter = conv_buf.get_end_iter()
+				self.orig_msg[jid] = conv_buf.get_text(start_iter, end_iter, 0)
+				self.typing_new[jid] = False
+
+			self.sent_history_pos[jid] = self.sent_history_pos[jid] - 1
+			conv_buf.set_text(self.sent_history[jid][self.sent_history_pos[jid]])
+
+		elif direction == 'down':
+			if self.sent_history_pos[jid] >= size - 1:
+				conv_buf.set_text(self.orig_msg[jid]);
+				self.typing_new[jid] = True
+				self.sent_history_pos[jid] = size
+				return
+
+			self.sent_history_pos[jid] = self.sent_history_pos[jid] + 1
+			conv_buf.set_text(self.sent_history[jid][self.sent_history_pos[jid]])

src/common/config.py

@@ -102,6 +102,7 @@ class Config:
 		'restore_timeout': [opt_int, 60],
 		'send_on_ctrl_enter': [opt_bool, False], # send on ctrl+enter
 		'show_roster_on_startup': [opt_bool, True],
+		'key_up_lines': [opt_int, 25],  # how many lines to store for key up
 		'version': [ None, '0.7' ],
 	}
 

src/gajim.py

@@ -615,6 +615,7 @@ class Interface:
 		else:
 			return False
 		if pix.get_width() > 24 or pix.get_height() > 24:
+			#FIXME: inform the user why you don't accept it
 			return False
 		return True
 		

src/groupchat_window.py

@@ -296,6 +296,10 @@ class Groupchat_window(chat.Chat):
 		room_jid = self.get_active_jid()
 		conversation_textview = self.xmls[room_jid].get_widget(
 			'conversation_textview')
+		message_buffer = widget.get_buffer()
+		start_iter, end_iter = message_buffer.get_bounds()
+		message = message_buffer.get_text(start_iter, end_iter, False)
+
 		if event.keyval == gtk.keysyms.ISO_Left_Tab: # SHIFT + TAB
 			if (event.state & gtk.gdk.CONTROL_MASK): # CTRL + SHIFT + TAB  
 				self.notebook.emit('key_press_event', event)
@@ -304,11 +308,9 @@ class Groupchat_window(chat.Chat):
 				self.notebook.emit('key_press_event', event)
 			else:
 				list_nick = self.get_nick_list(room_jid)
-				message_buffer = widget.get_buffer()
-				start_iter = message_buffer.get_start_iter()
 				cursor_position = message_buffer.get_insert()
 				end_iter = message_buffer.get_iter_at_mark(cursor_position)
-				text = message_buffer.get_text(start_iter, end_iter, 0)
+				text = message_buffer.get_text(start_iter, end_iter, False)
 				if not text or text.endswith(' '):
 					return False
 				splitted_text = text.split()
@@ -336,11 +338,8 @@ class Groupchat_window(chat.Chat):
 			event.keyval == gtk.keysyms.KP_Enter: # ENTER
 			if (event.state & gtk.gdk.SHIFT_MASK):
 				return False
-			message_buffer = widget.get_buffer()
-			start_iter = message_buffer.get_start_iter()
-			end_iter = message_buffer.get_end_iter()
-			message = message_buffer.get_text(start_iter, end_iter, 0)
 			if message != '' or message != '\n':
+				self.save_sent_message(room_jid, message)
 				if message == '/clear':
 					self.on_clear(None, conversation_textview) # clear conversation
 					self.on_clear(None, widget) # clear message textview too
@@ -349,6 +348,12 @@ class Groupchat_window(chat.Chat):
 				message_buffer.set_text('', -1)
 				widget.grab_focus()
 			return True
+		elif event.keyval == gtk.keysyms.Up:
+			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+UP
+				self.sent_messages_scroll(room_jid, 'up', widget.get_buffer())
+		elif event.keyval == gtk.keysyms.Down:
+			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+Down
+				self.sent_messages_scroll(room_jid, 'down', widget.get_buffer())
 
 	def print_conversation(self, text, room_jid, contact = '', tim = None):
 		"""Print a line in the conversation:

src/gtkgui.glade

@@ -1224,7 +1224,7 @@
 				  <property name="sensitive">False</property>
 				  <property name="can_focus">True</property>
 				  <property name="editable">True</property>
-				  <property name="visibility">True</property>
+				  <property name="visibility">False</property>
 				  <property name="max_length">0</property>
 				  <property name="text" translatable="yes"></property>
 				  <property name="has_frame">True</property>

src/tabbed_chat_window.py

@@ -193,11 +193,9 @@ class Tabbed_chat_window(chat.Chat):
 			s += ' (' + user.status + ')'
 		self.print_conversation(s, user.jid, 'status')
 
-
 		#restore previous conversation
 		self.restore_conversation(user.jid)
 
-
 		#print queued messages
 		if self.plugin.queues[self.account].has_key(user.jid):
 			self.read_queue(user.jid)
@@ -208,6 +206,10 @@ class Tabbed_chat_window(chat.Chat):
 		and printed in the conversation"""
 		jid = self.get_active_jid()
 		conversation_textview = self.xmls[jid].get_widget('conversation_textview')
+		message_buffer = widget.get_buffer()
+		start_iter, end_iter = message_buffer.get_bounds()
+		message = message_buffer.get_text(start_iter, end_iter, False)
+
 		if event.keyval == gtk.keysyms.ISO_Left_Tab: # SHIFT + TAB
 			if event.state & gtk.gdk.CONTROL_MASK: # CTRL + SHIFT + TAB
 				self.notebook.emit('key_press_event', event)
@@ -235,11 +237,8 @@ class Tabbed_chat_window(chat.Chat):
 				dialogs.Error_dialog(_("You're connection has been lost."), \
                         _("Your message can't be sent until you reconnect.")).get_response()
 				return True
-			message_buffer = widget.get_buffer()
-			start_iter = message_buffer.get_start_iter()
-			end_iter = message_buffer.get_end_iter()
-			message = message_buffer.get_text(start_iter, end_iter, 0)
 			if message != '' or message != '\n':
+				self.save_sent_message(jid, message)
 				if message == '/clear':
 					self.on_clear(None, conversation_textview) # clear conversation
 					self.on_clear(None, widget) # clear message textview too
@@ -253,6 +252,12 @@ class Tabbed_chat_window(chat.Chat):
 				message_buffer.set_text('', -1)
 				self.print_conversation(message, jid, jid, encrypted = encrypted)
 			return True
+		elif event.keyval == gtk.keysyms.Up:
+			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+UP
+				self.sent_messages_scroll(jid, 'up', widget.get_buffer())
+		elif event.keyval == gtk.keysyms.Down:
+			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+Down
+				self.sent_messages_scroll(jid, 'down', widget.get_buffer())
 
 	def on_contact_button_clicked(self, widget):
 		jid = self.get_active_jid()
@@ -352,7 +357,7 @@ class Tabbed_chat_window(chat.Chat):
 			size = size + 1
 
 		lines.reverse()
-
+		
 		for msg in lines:
 			if msg[1] == 'sent':
 				kind = 'outgoing'
@@ -369,3 +374,4 @@ class Tabbed_chat_window(chat.Chat):
 
 		if len(lines):
 			self.print_empty_line(jid)
+