[gnome-music/wip/mschraal/gtk-event-controller: 5/7] artistsview: Use Gtk.EventController controller

[Marinus Schraal <mschraal src gnome org>]

commit dbfc3dfc42b3750287dcc029aba0ba7c98696fa2
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed Aug 29 00:15:51 2018 +0200

    artistsview: Use Gtk.EventController controller

 gnomemusic/views/artistsview.py | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/gnomemusic/views/artistsview.py b/gnomemusic/views/artistsview.py
index f90aadf6..53a5198c 100644
--- a/gnomemusic/views/artistsview.py
+++ b/gnomemusic/views/artistsview.py
@@ -67,7 +67,11 @@ class ArtistsView(BaseView):
         sidebar_container.get_style_context().add_class('sidebar')
         self._sidebar.props.selection_mode = Gtk.SelectionMode.SINGLE
         self._sidebar.connect('row-activated', self._on_artist_activated)
-        self._sidebar.connect('button-release-event', self._on_sidebar_clicked)
+
+        self._ctrl = Gtk.GestureMultiPress().new(self._sidebar)
+        self._ctrl.props.propagation_phase = Gtk.PropagationPhase.CAPTURE
+        self._ctrl.props.button = Gdk.BUTTON_PRIMARY
+        self._ctrl.connect("released", self._on_sidebar_clicked)
 
         self.show_all()
         self._sidebar.hide()
@@ -170,9 +174,10 @@ class ArtistsView(BaseView):
         self._init = True
 
     @log
-    def _on_sidebar_clicked(self, widget, event):
+    def _on_sidebar_clicked(self, gesture, n_press, x, y):
+        success, state = Gtk.get_current_event_state()
         modifiers = Gtk.accelerator_get_default_mod_mask()
-        if ((event.get_state() & modifiers) == Gdk.ModifierType.CONTROL_MASK
+        if ((state & modifiers) == Gdk.ModifierType.CONTROL_MASK
                 and not self.props.selection_mode):
             self._on_selection_mode_request()