Move install wizard invocations to one place

Fixes bugs whereby install wizard invoked from the GUI was missing
various things, such as updating recently used list, setting up
timers, etc.

gui/qt/__init__.py

@@ -150,45 +150,47 @@ class ElectrumGui(MessageBoxMixin):
                 self.show_warning(str(e))
                 return
             action = wallet.get_action()
-        # run wizard
+
         if action is not None:
-            wizard = InstallWizard(self.app, self.config, self.network, storage)
-            wallet = wizard.run(action)
-            # keep current wallet
-            if not wallet:
-                return
-        else:
-            wallet.start_threads(self.network)
+            return self.install_wizard(storage, action)
 
-        return wallet
+        wallet.start_threads(self.network)
+        return self.create_window_for_wallet(wallet)
+
+    def install_wizard(self, storage, action):
+        wizard = InstallWizard(self.app, self.config, self.network, storage)
+        wallet = wizard.run(action)
+        return self.create_window_for_wallet(wallet)
 
     def new_window(self, path, uri=None):
         # Use a signal as can be called from daemon thread
         self.app.emit(SIGNAL('new_window'), path, uri)
 
+    def create_window_for_wallet(self, wallet):
+        if not wallet:
+            return
+        w = ElectrumWindow(self, wallet)
+        w.connect_slots(self.timer)
+        w.update_recently_visited(wallet.storage.path)
+        # initial configuration
+        if self.config.get('hide_gui') is True and self.tray.isVisible():
+            w.hide()
+        else:
+            w.show()
+        self.windows.append(w)
+        self.build_tray_menu()
+        run_hook('on_new_window', w)
+        return w
+
     def start_new_window(self, path, uri):
         for w in self.windows:
             if w.wallet.storage.path == path:
                 w.bring_to_top()
                 break
         else:
-            wallet = self.load_wallet_file(path)
-            if not wallet:
-                return
-            w = ElectrumWindow(self, wallet)
-            w.connect_slots(self.timer)
-            # add to recently visited
-            w.update_recently_visited(path)
-            # initial configuration
-            if self.config.get('hide_gui') is True and self.tray.isVisible():
-                w.hide()
-            else:
-                w.show()
-            self.windows.append(w)
-            self.build_tray_menu()
-            run_hook('on_new_window', w)
+            w = self.load_wallet_file(path)
 
-        if uri:
+        if uri and w:
             w.pay_to_URI(uri)
 
         return w

gui/qt/main_window.py

@@ -50,7 +50,6 @@ from network_dialog import NetworkDialog
 from qrcodewidget import QRCodeWidget, QRDialog
 from qrtextedit import ShowQRTextEdit
 from transaction_dialog import show_transaction
-from installwizard import InstallWizard
 
 
 
@@ -385,10 +384,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         if storage.file_exists:
             self.show_critical(_("File exists"))
             return
-        wizard = InstallWizard(self.app, self.config, self.network, storage)
-        wallet = wizard.run('new')
-        if wallet:
-            self.new_window(full_path)
+        self.gui_object.install_wizard(storage, 'new')
 
     def init_menubar(self):
         menubar = QMenuBar()