[gnome-sound-recorder] playback minor bug fix

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit e3309b983874e0121b8282b5cd748ba9e2069e93
Author: Kavan Mevada <kavanmevada gmail com>
Date:   Tue Aug 18 13:08:02 2020 -0500

    playback minor bug fix

 src/recordingsListBox.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/src/recordingsListBox.js b/src/recordingsListBox.js
index 7df6e43..9ec2097 100644
--- a/src/recordingsListBox.js
+++ b/src/recordingsListBox.js
@@ -37,6 +37,17 @@ var RecordingsListBox = new GObject.registerClass({
         this.bind_model(model, recording => {
             let row = new Row(recording);
 
+            row.waveform.connect('button-press-event', _ => {
+                if (!this.activePlayingRow || this.activePlayingRow !== row) {
+
+                    if (this.activePlayingRow)
+                        this.activePlayingRow.waveform.position = 0.0;
+
+                    this.activePlayingRow = row;
+                    this._player.set_uri(recording.uri);
+                }
+            });
+
             row.waveform.connect('position-changed', (_wave, _position) => {
                 this._player.seek(_position * row._recording.duration);
             });