[d-feet: 3/7] DFeetWindow: factor out connect_to(address)

[Thomas Bechtold <toabctl src gnome org>]

commit e93654fab836d63ef055e7ffd392481880256ac5
Author: Marc-André Lureau <marcandre lureau redhat com>
Date:   Thu Mar 26 23:08:00 2020 +0100

    DFeetWindow: factor out connect_to(address)
    
    Reused in the following patch. Also returns whether attempt was
    successfull.
    
    Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>

 src/dfeet/window.py | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)
---
diff --git a/src/dfeet/window.py b/src/dfeet/window.py
index bfc08cc..2a91a23 100644
--- a/src/dfeet/window.py
+++ b/src/dfeet/window.py
@@ -147,6 +147,23 @@ class DFeetWindow(Gtk.ApplicationWindow):
         except Exception as e:
             print(e)
 
+    def connect_to(self, address):
+        """connect to given bus address"""
+        try:
+            bw = BusWatch(self.data_dir, address)
+            self.stack.add_titled(bw.box_bus, address, address)
+            # Fill history
+            if address in self.bus_history:
+                self.bus_history.remove(address)
+                self.bus_history.insert(0, address)
+                # Truncating history
+                if (len(self.bus_history) > self.HISTORY_MAX_SIZE):
+                    self.bus_history = self.bus_history[0:self.HISTORY_MAX_SIZE]
+        except Exception as e:
+            print("can not connect to '%s': %s" % (address, str(e)))
+            return False
+        return True
+
     def __action_connect_other_bus_cb(self, action, parameter):
         """connect to other bus"""
         dialog = AddConnectionDialog(self.data_dir, self, self.bus_history)
@@ -160,18 +177,7 @@ class DFeetWindow(Gtk.ApplicationWindow):
                 self.activate_action('connect-system-bus', None)
                 return
             else:
-                try:
-                    bw = BusWatch(self.data_dir, address)
-                    self.stack.add_titled(bw.box_bus, address, address)
-                    # Fill history
-                    if address in self.bus_history:
-                        self.bus_history.remove(address)
-                    self.bus_history.insert(0, address)
-                    # Truncating history
-                    if (len(self.bus_history) > self.HISTORY_MAX_SIZE):
-                        self.bus_history = self.bus_history[0:self.HISTORY_MAX_SIZE]
-                except Exception as e:
-                    print("can not connect to '%s': %s" % (address, str(e)))
+                self.connect_to(address)
         dialog.destroy()
 
     def __action_close_bus_cb(self, action, parameter):