From bab10ea14ddaf7af7aeeff925b373be1c347d0d7 Mon Sep 17 00:00:00 2001
From: Crystalwarrior <Varsash@Gmail.com>
Date: Fri, 31 Jul 2020 23:11:38 +0300
Subject: [PATCH] Add "Play Random Song" option (#200)

It also respects the search string, so only visible tracks are chosen from the pool. Categories (i.e. entries with children) are also ignored.
---
 include/courtroom.h |  1 +
 src/courtroom.cpp   | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/courtroom.h b/include/courtroom.h
index 3311758..182c2a6 100644
--- a/include/courtroom.h
+++ b/include/courtroom.h
@@ -673,6 +673,7 @@ private slots:
   void music_fade_out(bool toggle);
   void music_fade_in(bool toggle);
   void music_synchronize(bool toggle);
+  void music_random();
   void music_list_expand_all();
   void music_list_collapse_all();
   void on_area_list_double_clicked(QTreeWidgetItem *p_item, int column);
diff --git a/src/courtroom.cpp b/src/courtroom.cpp
index bc182a8..b203cf0 100644
--- a/src/courtroom.cpp
+++ b/src/courtroom.cpp
@@ -4098,6 +4098,9 @@ void Courtroom::on_music_list_context_menu_requested(const QPoint &pos)
 {
   QMenu *menu = new QMenu();
 
+  menu->addAction(QString(tr("Play Random Song")), this,
+                  SLOT(music_random()));
+  menu->addSeparator();
   menu->addAction(QString(tr("Expand All Categories")), this,
                   SLOT(music_list_expand_all()));
   menu->addAction(QString(tr("Collapse All Categories")), this,
@@ -4149,6 +4152,18 @@ void Courtroom::music_synchronize(bool toggle)
     music_flags &= ~SYNC_POS;
 }
 
+void Courtroom::music_random()
+{
+  QList<QTreeWidgetItem *> clist;
+  QTreeWidgetItemIterator it(ui_music_list, QTreeWidgetItemIterator::NotHidden | QTreeWidgetItemIterator::NoChildren);
+  while (*it) {
+    clist += (*it);
+    ++it;
+  }
+  int i = qrand() % clist.length();
+  on_music_list_double_clicked(clist.at(i), 1);
+}
+
 void Courtroom::music_list_expand_all() { ui_music_list->expandAll(); }
 void Courtroom::music_list_collapse_all()
 {