From 177829ccb621705f5b56fa20729791ed3e5b45ca Mon Sep 17 00:00:00 2001
From: Hans Dijkema <hans@dijkewijk.nl>
Date: Tue, 24 Feb 2026 23:28:18 +0100
Subject: [PATCH] -

---
 gui.rkt      |  9 ++++++---
 player.rkt   | 56 +++++++++++++++++++++++++++++++++++++++++-----------
 playlist.rkt | 39 +++++++++++++++++++++++++++++-------
 utils.rkt    |  9 ++++++++-
 4 files changed, 90 insertions(+), 23 deletions(-)

diff --git a/gui.rkt b/gui.rkt
index 0551d5e..62920e2 100644
--- a/gui.rkt
+++ b/gui.rkt
@@ -239,18 +239,21 @@
       (displayln (format "Open booklet ~a" path)))
 
     (define/public (open-folder path)
-      (displayln (format "open folder ~a" path)))
+      (displayln path)
+      (let ((folder (if (file-exists? path) (path-only path) path)))
+        (open-file-manager folder)))
+        ;(shell-execute #f folder #f #f 'sw_show)))
 
     (define/public (play)
       (displayln "Play button clicked")
       )
 
     (define/public (next-track)
-      (displayln "Next track")
+      (send player next)
       )
 
     (define/public (previous-track)
-      (displayln "Previous track")
+      (send player previous)
       )
 
     (define/public (repeat)
diff --git a/player.rkt b/player.rkt
index 5a85bf9..9c8f1bc 100644
--- a/player.rkt
+++ b/player.rkt
@@ -35,6 +35,8 @@
     (define current-length 0)
     (define current-seconds 0)
 
+    (define repeat 'no-repeat)   ;; no-repeat, repeat-1, repeat-all
+
     (define play-time-updater-state 'stopped)
 
     (define (check-ao-handle)
@@ -57,7 +59,7 @@
         (displayln "Starting play-time-updater")
         (thread (λ ()
                   (define (updater)
-                    (if (eq? ao-handle #f)
+                    (if (or (eq? ao-handle #f) closing)
                         (begin
                           (set! play-time-updater-state 'stopped)
                           (displayln "Stopping play-time-updater")
@@ -121,10 +123,11 @@
                (displayln (format "opening flac handle for file: ~a" file))
                (set! flac-handle (flac-open file flac-meta flac-play))
                (displayln "Starting flac-read")
-               (flac-read flac-handle)
-               (set! state 'track-feeded)
-               (displayln "Flac read stopped")
-               'track-feeded
+               (let ((result (flac-read flac-handle)))
+                 (if (eq? result 'end-of-stream)
+                   (set! state 'track-feeded)
+                   (displayln "Flac read stopped")))
+               'worker-done
                )
              )
          )
@@ -190,17 +193,46 @@
       )
 
     (define/public (play-track i)
-      (unless (eq? flac-handle #f)
-        (flac-stop flac-handle)
-        (set! flac-handle #f)
-        )
+      (displayln (format "play-track ~a" i))
+      ;(unless (eq? flac-handle #f)
+      ;  (flac-stop flac-handle)
+      ;  (set! flac-handle #f)
+      ;  )
+      ;(set! track i)
+      ;(set! ct-data (send pl track i))
+      ;(while (eq? state 'playing)
+      ;       (sleep 0.1))
+      ;(unless (eq? ao-handle #f)
+      ;  (ao-clear-async ao-handle))
+      ;(set! state 'play)
+      ;(track-nr-updater i)
+      (set! state 'stopped)
+      (close-player*)
       (set! track i)
       (set! ct-data (send pl track i))
-      (while (eq? state 'playing)
-             (sleep 0.1))
       (set! state 'play)
-      (track-nr-updater i)
+      (track-nr-updater track)
       )
+
+    (define/public (next)
+      (if (= (send pl length) 0)
+          #f
+          (let ((idx track))
+            (set! idx (+ idx 1))
+            (when (>= idx (send pl length))
+              (set! idx 0))
+            (send this play-track idx))
+          ))
+
+    (define/public (previous)
+      (if (= (send pl length) 0)
+          #f
+          (let ((idx track))
+            (set! idx (- idx 1))
+            (when (< idx 0)
+              (set! idx (- (send pl length) 1)))
+            (send this play-track idx)
+            )))
     
     (define (state-machine)
       (let ((st (orig-current-seconds))
diff --git a/playlist.rkt b/playlist.rkt
index 730bda1..b2f2ef7 100644
--- a/playlist.rkt
+++ b/playlist.rkt
@@ -41,16 +41,40 @@
     (super-new)
     (begin
       (unless (eq? file #f)
-        (let ((tags (id3-tags (format "~a" file))))
-          (set! title (tags-title tags))
-          (set! artist (tags-artist tags))
-          (set! album (tags-album tags))
-          (set! number (tags-track tags))
-          (set! length (tags-length tags))
+        (let ((f (if (path? file) (path->string file) file)))
+          (let ((tags (id3-tags f))
+                (tmpfile #f))
+            (unless (tags-valid? tags)
+              (the-displayln "Invalid, try to open a copy of this file")
+              (let ((nfile (make-temporary-file "rktplayer-~a" #:copy-from f)))
+                (set! tags (id3-tags nfile))
+                (set! tmpfile nfile)
+                )
+              )
+            (if (tags-valid? tags)
+                (begin
+                  (set! title (tags-title tags))
+                  (set! artist (tags-artist tags))
+                  (set! album (tags-album tags))
+                  (set! number (tags-track tags))
+                  (set! length (tags-length tags))
+                  )
+                (begin
+                  (set! title "invalid tags")
+                  (set! artist "invalid tags")
+                  (set! album "invalid tags")
+                  (set! number number)
+                  (set! length -1)
+                  )
+                )
+            (unless (eq? tmpfile #f)
+              (delete-file tmpfile))
+            )
           )
         )
       )
-    ))
+    )
+  )
 
 (define list-len length)
 
@@ -85,6 +109,7 @@
                                   (if (directory-exists? p)
                                       (read-tracks-internal p)
                                       (when (and (file-exists? p) (can-add? p))
+                                        ;(displayln (format "Adding ~a" p))
                                         (add-track* p)))))
                               content))
                   'no-file-or-dir
diff --git a/utils.rkt b/utils.rkt
index 7660f6b..bb81f48 100644
--- a/utils.rkt
+++ b/utils.rkt
@@ -10,6 +10,7 @@
          mktable
          simple-row-formatter
          while
+         open-file-manager
          )
 
 
@@ -70,5 +71,11 @@
    )
   )
 
-        
+(define (open-file-manager path)
+  (let ((folder (if (path? path) (path->string path) path)))
+  (case (system-type 'os)
+    [(windows) (process (string-append "explorer.exe " folder))]
+    [(macosx)  (process (string-append "open " folder))]
+    [else      (process (string-append "xdg-open " folder))]))
+  )