Qt: invert trampoline checkbox in settings dialog. Share the help message with Kivy

electrum/gui/kivy/uix/dialogs/settings.py

@@ -9,6 +9,7 @@ from electrum.gui.kivy.i18n import _
 from electrum.plugin import run_hook
 from electrum import coinchooser
 
+from electrum.gui import messages
 from electrum.gui.kivy import KIVY_GUI_PATH
 
 from .choice_dialog import ChoiceDialog
@@ -155,11 +156,7 @@ class SettingsDialog(Factory.Popup):
         self._unit_dialog.open()
 
     def routing_dialog(self, item, dt):
-        description = \
-            _('Lightning payments require finding a path through the Lightning Network.')\
-            + ' ' + ('You may use trampoline routing, or local routing (gossip).')\
-            + ' ' + ('Downloading the network gossip uses quite some bandwidth and storage, and is not recommended on mobile devices.')\
-            + ' ' + ('If you use trampoline, you can only open channels with trampoline nodes.')
+        description = _(messages.MSG_HELP_TRAMPOLINE)
         def cb(text):
             self.app.use_gossip = (text == 'Gossip')
         dialog = ChoiceDialog(

electrum/gui/messages.py

@@ -25,3 +25,9 @@ It may be imported in another Electrum wallet with the same seed.
 MSG_LIGHTNING_WARNING = """
 Electrum uses static channel backups. If you lose your wallet file, you will need to request your channel to be force-closed by the remote peer in order to recover your funds. This assumes that the remote peer is reachable, and has not lost its own data.
 """
+
+MSG_HELP_TRAMPOLINE = """
+Lightning payments require finding a path through the Lightning Network. You may use trampoline routing, or local routing (gossip).
+
+Downloading the network gossip uses quite some bandwidth and storage, and is not recommended on mobile devices. If you use trampoline, you can only open channels with trampoline nodes.
+"""

electrum/gui/qt/settings_dialog.py

@@ -142,13 +142,12 @@ class SettingsDialog(WindowModalDialog):
             recov_cb.setEnabled(not bool(self.config.get('lightning_listen')))
             lightning_widgets.append((recov_cb, None))
 
-        help_gossip = _("""If this option is enabled, Electrum will download the network
-channels graph and compute payment path locally, instead of using trampoline payments. """)
-        gossip_cb = QCheckBox(_("Enable gossip (disable trampoline)"))
-        gossip_cb.setToolTip(help_gossip)
-        gossip_cb.setChecked(bool(self.config.get('use_gossip', False)))
-        def on_gossip_checked(x):
-            use_gossip = bool(x)
+        help_trampoline = _(messages.MSG_HELP_TRAMPOLINE)
+        trampoline_cb = QCheckBox(_("Use trampoline routing (disable gossip)"))
+        trampoline_cb.setToolTip(messages.to_rtf(help_trampoline))
+        trampoline_cb.setChecked(not bool(self.config.get('use_gossip', False)))
+        def on_trampoline_checked(use_trampoline):
+            use_gossip = not bool(use_trampoline)
             self.config.set_key('use_gossip', use_gossip)
             if use_gossip:
                 self.window.network.start_gossip()
@@ -158,8 +157,8 @@ channels graph and compute payment path locally, instead of using trampoline pay
             util.trigger_callback('ln_gossip_sync_progress')
             # FIXME: update all wallet windows
             util.trigger_callback('channels_updated', self.wallet)
-        gossip_cb.stateChanged.connect(on_gossip_checked)
-        lightning_widgets.append((gossip_cb, None))
+        trampoline_cb.stateChanged.connect(on_trampoline_checked)
+        lightning_widgets.append((trampoline_cb, None))
 
         help_remote_wt = ' '.join([
             _("A watchtower is a daemon that watches your channels and prevents the other party from stealing funds by broadcasting an old state."),