[gnoduino] add support of detection of new devices

[Lucian Langa <lucilanga src gnome org>]

commit c31e71e6fb8ef36103644a241d6ab6f2a259e63d
Author: Lucian Langa <lucilanga gnome org>
Date:   Thu May 16 15:21:18 2013 +0200

    add support of detection of new devices

 src/config.py |    2 +
 src/ui.py     |   89 +++++++++++++++++++++++++++++++++++----------------------
 2 files changed, 57 insertions(+), 34 deletions(-)
---
diff --git a/src/config.py b/src/config.py
index ac607df..e5e8e6c 100644
--- a/src/config.py
+++ b/src/config.py
@@ -9,6 +9,8 @@ cur_console_font = -1
 build_verbose = -1
 upload_verbose = -1
 user_library = -1
+serial_ports = -1
+serial_ports_d = -1
 serial_baud_rate = -1
 show_numbers = -1
 sketchdir = -1
diff --git a/src/ui.py b/src/ui.py
index ecc5d4f..5b21387 100644
--- a/src/ui.py
+++ b/src/ui.py
@@ -16,10 +16,12 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import os
+import hashlib
 import sys
 import glib
 import gobject
 import gtk
+import re
 import subprocess
 import select
 import shutil
@@ -625,6 +627,56 @@ def createBaudCombo(w, port):
                gui.set_data("baudWidget", b)
                hb.show_all()
 
+def getSerialPorts():
+       ports = ser.scan()
+       if config.serial_ports_d != hashlib.sha224(','.join(sorted(ports))).hexdigest():
+               if config.serial_ports != -1:
+                       try:
+                               newp =  list(set(ports) - set(config.serial_ports))[0]
+                               misc.statusMessage(sb, _("New device found on '%s'.") % newp)
+                       except: pass
+               populateSerialPortMenu()
+               config.serial_ports = ports
+               config.serial_ports_d = hashlib.sha224(','.join(sorted(ports))).hexdigest()
+       return True
+
+def populateSerialPortMenu():
+       sub = gtk.Menu()
+       maingroup = gtk.RadioMenuItem(None, None)
+       defport = p.getValue("serial.port")
+       validport = False
+       activePort = False
+       """validate serial ports - this should really be moved to serialio"""
+       ports = ser.scan()
+       for i in ports:
+               if i == defport:
+                       validport = True
+
+       for i in ports:
+               menuItem = gtk.RadioMenuItem(maingroup, i)
+               if defport and validport:
+                       if i == defport:
+                               menuItem.set_active(True)
+                               if config.cur_serial_port == -1:
+                                       config.cur_serial_port = i
+                               setSerial(None, i)
+               else:
+                       if config.cur_serial_port == -1:
+                               config.cur_serial_port = i
+                       try:
+                               s = ser.tryPort(i)
+                               s.close()
+                       except: continue
+                       menuItem.set_active(True)
+                       setSerial(None, i)
+               menuItem.connect('activate', setSerial, i)
+               sub.append(menuItem)
+               activePort = True
+
+       gui.get_object("serial_port").set_submenu(sub)
+       gui.get_object("serial_port").set_sensitive(activePort)
+       mainwin.show_all()
+
 def selectBoard(w, id):
        b.setBoard(id)
 
@@ -894,42 +946,11 @@ def run():
                misc.setConsoleTags(tw)
 
                """setup default serial port"""
-               sub = gtk.Menu()
-               maingroup = gtk.RadioMenuItem(None, None)
-               defport = p.getValue("serial.port")
-               validport = False
-               activePort = False
-               """validate serial ports - this should really be moved to serialio"""
-               for i in ser.scan():
-                       if i == defport:
-                               validport = True
-
-               for i in ser.scan():
-                       menuItem = gtk.RadioMenuItem(maingroup, i)
-                       if defport and validport:
-                               if i == defport:
-                                       menuItem.set_active(True)
-                                       if config.cur_serial_port == -1:
-                                               config.cur_serial_port = i
-                                       setSerial(None, i)
-                       else:
-                               if config.cur_serial_port == -1:
-                                       config.cur_serial_port = i
-                               try:
-                                       s = ser.tryPort(i)
-                                       s.close()
-                               except: continue
-                               menuItem.set_active(True)
-                               setSerial(None, i)
-                       menuItem.connect('activate', setSerial, i)
-                       sub.append(menuItem)
-                       activePort = True
-
+               getSerialPorts()
+               populateSerialPortMenu()
+               sertime = glib.timeout_add(1000, getSerialPorts)
                if config.serial_baud_rate == -1:
                        config.serial_baud_rate = p.getSafeValue("serial.debug_rate", 
p.getDefaultValue("serial.debug_rate"))
-
-               gui.get_object("serial_port").set_submenu(sub)
-               gui.get_object("serial_port").set_sensitive(activePort)
                createRecentMenu()
                populateExamples()
                populateImport()