[gnome-music] Use accessor for event coordinates

[Marinus Schraal <mschraal src gnome org>]

commit 67f95514ae37b3c1f22f1cdf3b49ec8298f6cd57
Author: Tyler Garcia <tyler tylergarcia net>
Date:   Sat Aug 11 00:42:37 2018 -0700

    Use accessor for event coordinates
    
    Fields are deprecated.
    
    Closes: #213

 gnomemusic/views/playlistview.py | 7 ++++---
 gnomemusic/views/songsview.py    | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/gnomemusic/views/playlistview.py b/gnomemusic/views/playlistview.py
index 8170bcdb..0836079a 100644
--- a/gnomemusic/views/playlistview.py
+++ b/gnomemusic/views/playlistview.py
@@ -346,12 +346,13 @@ class PlaylistView(BaseView):
         if not event.triggers_context_menu():
             return
 
-        path, col, cell_x, cell_y = treeview.get_path_at_pos(event.x, event.y)
+        (coord_x, coord_y) = event.get_coords()
+        path, col, cell_x, cell_y = treeview.get_path_at_pos(coord_x, coord_y)
         self._view.get_selection().select_path(path)
 
         rect = self._view.get_visible_rect()
-        rect.x = event.x - rect.width / 2.0
-        rect.y = event.y - rect.height + 5
+        rect.x = coord_x - rect.width / 2.0
+        rect.y = coord_y - rect.height + 5
 
         self._song_popover.set_relative_to(self._view)
         self._song_popover.set_pointing_to(rect)
diff --git a/gnomemusic/views/songsview.py b/gnomemusic/views/songsview.py
index a207f486..2292ff2e 100644
--- a/gnomemusic/views/songsview.py
+++ b/gnomemusic/views/songsview.py
@@ -221,7 +221,7 @@ class SongsView(BaseView):
         if (self.selection_mode
                 and not self._star_handler.star_renderer_click):
             path, col, cell_x, cell_y = treeview.get_path_at_pos(
-                event.x, event.y)
+                *event.get_coords())
             iter_ = self.model.get_iter(path)
             self.model[iter_][6] = not self.model[iter_][6]
             self._update_header_from_selection(len(self.get_selected_songs()))