From 2fa304206658f0c46d16794d51002b1defa13286 Mon Sep 17 00:00:00 2001
From: daleclack <daleclack1@foxmail.com>
Date: Sat, 14 Oct 2023 12:12:32 +0800
Subject: [PATCH] Add support for shuffle play media

---
 Gtk4/gtk154_mediaplayer3/src/LyricsParser.cpp |  9 +++-
 .../gtk154_mediaplayer3/src/MyMediaPlayer.cpp | 42 ++++++++++++++++++-
 Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.h  |  2 +
 3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/Gtk4/gtk154_mediaplayer3/src/LyricsParser.cpp b/Gtk4/gtk154_mediaplayer3/src/LyricsParser.cpp
index 0c4636d..28aef8c 100644
--- a/Gtk4/gtk154_mediaplayer3/src/LyricsParser.cpp
+++ b/Gtk4/gtk154_mediaplayer3/src/LyricsParser.cpp
@@ -420,7 +420,14 @@ static void media_play_ended_handler(MyMediaPlayer *player)
         break;
     case PlayMode::List_Shuffle:
         // Play music with random index
-        
+        my_media_player_load_random_audio(player);
+
+        // Get Media stream to control
+        stream = gtk_video_get_media_stream(GTK_VIDEO(
+            my_media_player_get_video_widget(player)));
+
+        // Play media stream associated with media file
+        gtk_media_stream_play(stream);
         break;
     case PlayMode::One_Repeat:
 
diff --git a/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.cpp b/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.cpp
index 2ebe3d5..ff11fac 100644
--- a/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.cpp
+++ b/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.cpp
@@ -57,6 +57,9 @@ void file_dialog_response(GObject *dialog, GAsyncResult *res, gpointer data)
         // Update items count of media files
         player->n_items = g_list_model_get_n_items(
             G_LIST_MODEL(player->music_store));
+        // Update index information
+        player->current_audio_index = gtk_single_selection_get_selected(
+            player->music_selection);
     }
 }
 
@@ -79,6 +82,12 @@ static void btnremove_clicked(GtkWidget *widget, MyMediaPlayer *player)
 
     // Remove the selected item
     g_list_store_remove(player->music_store, pos);
+
+    // Update index information
+    player->n_items = g_list_model_get_n_items(
+        G_LIST_MODEL(player->music_store));
+    player->current_audio_index = gtk_single_selection_get_selected(
+        player->music_selection);
 }
 
 // Load playlist
@@ -121,6 +130,9 @@ static void load_playlist(std::string filename, MyMediaPlayer *player)
         // Update count of media files
         player->n_items = g_list_model_get_n_items(
             G_LIST_MODEL(player->music_store));
+        // Update index information
+        player->current_audio_index = gtk_single_selection_get_selected(
+            player->music_selection);
     }
 }
 
@@ -272,7 +284,7 @@ static void column_view_activated(GtkColumnView *self, gint position, MyMediaPla
     // Get selection and open the music file
     item = MY_ITEM(gtk_single_selection_get_selected_item(player->music_selection));
     load_audio(item, player);
-    
+
     // Update Column index
     player->current_audio_index = gtk_single_selection_get_selected(player->music_selection);
 }
@@ -495,6 +507,34 @@ void btnnext_clicked(GtkButton *self, MyMediaPlayer *player)
                                       player->current_audio_index);
 }
 
+// Load music with random index
+void my_media_player_load_random_audio(MyMediaPlayer *player)
+{
+    // Get music index
+    player->current_audio_index = rand() % (player->n_items);
+
+    // Clear stream for player
+    GtkMediaStream *stream = gtk_video_get_media_stream(GTK_VIDEO(player->video));
+    if (stream != NULL)
+    {
+        gtk_media_file_clear(GTK_MEDIA_FILE(stream));
+        // g_object_unref(stream);
+    }
+
+    // Clear video widget
+    gtk_video_set_file(GTK_VIDEO(player->video), NULL);
+
+    // Load music at index
+    // Get item
+    MyItem *item = MY_ITEM(g_list_model_get_item(G_LIST_MODEL(player->music_store),
+                                                 player->current_audio_index));
+    load_audio(item, player);
+
+    // Update selected item
+    gtk_single_selection_set_selected(player->music_selection,
+                                      player->current_audio_index);
+}
+
 // Stop current music
 static void btnstop_clicked(GtkButton *self, MyMediaPlayer *player)
 {
diff --git a/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.h b/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.h
index c9e25db..2546729 100644
--- a/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.h
+++ b/Gtk4/gtk154_mediaplayer3/src/MyMediaPlayer.h
@@ -30,4 +30,6 @@ guint my_media_player_get_n_audios(MyMediaPlayer *self);
 
 void btnnext_clicked(GtkButton *self, MyMediaPlayer *player);
 
+void my_media_player_load_random_audio(MyMediaPlayer *player);
+
 MyMediaPlayer *my_media_player_new(GtkApplication *app);