[gnome-music/wip/jfelder/gtk4-v3: 80/119] v2

[Jean Felder <jfelder src gnome org>]

commit 3a0973f45ee9106ed4ac6e085d837a9c4b9d18ec
Author: Jean Felder <jfelder src gnome org>
Date:   Wed Jan 12 12:46:05 2022 +0100

    v2

 data/ui/SongListItem.ui     | 12 ++++++++++++
 gnomemusic/songlistscope.py |  7 ++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)
---
diff --git a/data/ui/SongListItem.ui b/data/ui/SongListItem.ui
index 1781d5082..7d0905e0f 100644
--- a/data/ui/SongListItem.ui
+++ b/data/ui/SongListItem.ui
@@ -5,6 +5,18 @@
     <property name="child">
       <object class="GtkBox">
         <property name="orientation">horizontal</property>
+        <child>
+          <object class="GtkImage" id="_play_icon">
+            <property name="can_focus">False</property>
+            <property name="icon_size">1</property>
+            <property name="icon-name">media-playback-start-symbolic</property>
+            <binding name="visible">
+              <closure type="gboolean" function="show_play_icon">
+                <lookup name="item">GtkListItem</lookup>
+              </closure>
+            </binding>
+          </object>
+        </child>
         <child>
           <object class="GtkBox">
             <property name="homogeneous">True</property>
diff --git a/gnomemusic/songlistscope.py b/gnomemusic/songlistscope.py
index fb4436d02..19427f6bc 100644
--- a/gnomemusic/songlistscope.py
+++ b/gnomemusic/songlistscope.py
@@ -28,10 +28,11 @@ import typing
 
 from gi.repository import GObject, Gtk
 
+from gnomemusic.coresong import CoreSong
+from gnomemusic.widgets.songwidget import SongWidget
 from gnomemusic.widgets.songwidgetmenu import SongWidgetMenu
 import gnomemusic.utils as utils
 if typing.TYPE_CHECKING:
-    from gnomemusic.coresong import CoreSong
     ClosureType = Callable[[Gtk.ListItem, CoreSong], str]
 
 
@@ -50,6 +51,10 @@ class SongListScope(GObject.GObject, Gtk.BuilderScope):
             obj: Optional[GObject.GObject]) -> ClosureType:
         return getattr(self, func_name)
 
+    def show_play_icon(
+            self, listitem: Gtk.ListItem, coresong: CoreSong) -> bool:
+        return coresong.props.state == SongWidget.State.PLAYING
+
     def song_duration(self, listitem: Gtk.ListItem, coresong: CoreSong) -> str:
         return utils.seconds_to_string(coresong.props.duration)