Save selected currency as config setting.

lib/gui_lite.py

@@ -120,7 +120,8 @@ class MiniWindow(QDialog):
         self.connect(expand_button, SIGNAL("clicked()"), expand_callback)
 
         self.btc_balance = None
-        self.quote_currencies = ("EUR", "USD", "GBP")
+        self.quote_currencies = ["EUR", "USD", "GBP"]
+        self.actuator.set_configured_currency(self.set_quote_currency)
         self.exchanger = exchange_rate.Exchanger(self)
         # Needed because price discovery is done in a different thread
         # which needs to be sent back to this main one to update the GUI
@@ -212,9 +213,16 @@ class MiniWindow(QDialog):
     def deactivate(self):
         pass
 
+    def set_quote_currency(self, currency):
+        assert currency in self.quote_currencies
+        self.quote_currencies.remove(currency)
+        self.quote_currencies = [currency] + self.quote_currencies
+        self.refresh_balance()
+
     def change_quote_currency(self):
         self.quote_currencies = \
             self.quote_currencies[1:] + self.quote_currencies[0:1]
+        self.actuator.set_config_currency(self.quote_currencies[0])
         self.refresh_balance()
 
     def refresh_balance(self):
@@ -440,6 +448,14 @@ class MiniActuator:
     def __init__(self, wallet):
         self.wallet = wallet
 
+    def set_configured_currency(self, set_quote_currency):
+        currency = self.wallet.conversion_currency
+        assert currency is not None
+        set_quote_currency(currency)
+
+    def set_config_currency(self, conversion_currency):
+        self.wallet.conversion_currency = conversion_currency
+
     def copy_address(self, receive_popup):
         addrs = [addr for addr in self.wallet.all_addresses()
                  if not self.wallet.is_change(addr)]

lib/wallet.py

@@ -280,6 +280,7 @@ class Wallet:
         self.fee = 100000
         self.num_zeros = 0
         self.master_public_key = ''
+        self.conversion_currency = None
 
         # saved fields
         self.use_encryption = False
@@ -637,6 +638,9 @@ class Wallet:
 
 
     def save(self):
+        # TODO: Need special config storage class. Should not be mixed
+        # up with the wallet.
+        # Settings should maybe be stored in a flat ini file.
         s = {
             'seed_version': self.seed_version,
             'use_encryption': self.use_encryption,
@@ -660,6 +664,7 @@ class Wallet:
             'expert_mode': self.expert_mode,
             'gap_limit': self.gap_limit,
             'debug_server': self.debug_server,
+            'conversion_currency': self.conversion_currency
         }
         f = open(self.path,"w")
         f.write( repr(s) )
@@ -688,7 +693,6 @@ class Wallet:
             self.fee = int(d.get('fee'))
             self.seed = d.get('seed')
             self.server = d.get('server')
-            #blocks = d.get('blocks')
             self.addresses = d.get('addresses')
             self.change_addresses = d.get('change_addresses')
             self.history = d.get('history')
@@ -704,6 +708,7 @@ class Wallet:
             self.expert_mode = d.get('expert_mode', False)
             self.gap_limit = d.get('gap_limit', 5)
             self.debug_server = d.get('debug_server', False)
+            self.conversion_currency = d.get('conversion_currency', 'USD')
         except:
             raise BaseException("cannot read wallet file")