diff options
Diffstat (limited to 'modules/music-config.el')
| -rw-r--r-- | modules/music-config.el | 425 |
1 files changed, 369 insertions, 56 deletions
diff --git a/modules/music-config.el b/modules/music-config.el index 3559930b..233bae72 100644 --- a/modules/music-config.el +++ b/modules/music-config.el @@ -86,7 +86,9 @@ falls back to the plain text player (names, a dim glyph, a thin status line)." :group 'cj/music) (defcustom cj/music-title-family - (if (boundp 'cj/nov-reading-font-family) cj/nov-reading-font-family "Merriweather") + (if (fboundp 'cj/font-profile-properties) + (plist-get (cj/font-profile-properties 'reading) :default-family) + "Merriweather") "Serif family for the fancy now-playing title, mirroring the nov reading view." :type 'string :group 'cj/music) @@ -306,7 +308,9 @@ Directories are suffixed with /; files are plain. Hidden dirs/files skipped." "Completion table for CANDIDATES preserving order and case-insensitive match. Tags the `cj-music-file' category and annotates each candidate (a path relative to `cj/music-root', with a trailing slash for directories) with its size and -modification date so marginalia can show them." +modification date so marginalia can show them. The category is registered +with marginalia (builtin) so the annotations render right-aligned." + (cj/completion-ensure-marginalia-align 'cj-music-file) (let ((annotate (cj/completion-file-annotator (lambda (c) (expand-file-name @@ -322,19 +326,177 @@ modification date so marginalia can show them." (completion-ignore-case . t)) (complete-with-action action candidates string pred))))) +(defun cj/music--playlist-open-position (buffer) + "Return where point should land when the playlist BUFFER is displayed. +The beginning of the playing track's line when a song is playing (during +playback the selected track is the playing one), else the top of the +list. Keying off the selected track alone is wrong: EMMS keeps a stale +selection while stopped, which used to open the playlist deep in the list +at whatever played last." + (with-current-buffer buffer + (if (and (boundp 'emms-player-playing-p) emms-player-playing-p + (boundp 'emms-playlist-selected-marker) + (markerp emms-playlist-selected-marker) + (marker-position emms-playlist-selected-marker) + (eq (marker-buffer emms-playlist-selected-marker) (current-buffer))) + (save-excursion + (goto-char emms-playlist-selected-marker) + (line-beginning-position)) + (point-min)))) + +(defun cj/music--playlist-land-point (win buffer) + "Move WIN's point in BUFFER per the open-position rule and settle the view. +When a song is playing its row lands in the window's upper third, so the +upcoming tracks fill the space below it. When stopped, the view starts at +the top of the list. Point sits at the beginning of its line either way, +so the row reads left-to-right from its number." + (let ((pos (cj/music--playlist-open-position buffer))) + (set-window-point win pos) + (if (> pos (with-current-buffer buffer (point-min))) + (with-selected-window win + (with-current-buffer buffer + (recenter (max 1 (/ (window-body-height) 3))))) + (set-window-start win pos)))) + +(defun cj/music--pin-point-to-bol () + "Keep the playlist cursor in the number gutter (column 0). +The rows are rendered track lines, not editable text: the cursor's home is +the number, and operations on a track (kill, shift, play) act on its row +wherever point sits. Vertical motion over thumbnails and the stretch-space +that right-aligns the metadata drifts point to arbitrary visual columns +(usually line end), so this runs on the buffer-local `post-command-hook' +and snaps every landing back to the row start. An active isearch owns +point until it ends; the snap lands when the search exits." + (unless (or (bolp) (bound-and-true-p isearch-mode)) + (beginning-of-line)) + (cj/music--highlight-current-number)) + +(defvar-local cj/music--renumber-timer nil + "Pending idle timer for the playlist row renumber, or nil.") + +;; Forward declaration: the real `defvar-local' is a few defuns below, next to +;; the highlight helper that owns it. Declared special here so the setq in this +;; function compiles as a dynamic binding, not a free-variable warning. +(defvar cj/music--current-number-overlay) + +(defun cj/music--renumber-rows (&optional buffer) + "Number every playlist row in BUFFER (default: current buffer) via overlays. +Each non-blank line gets an \"NNN \" before-string so the cursor stays +visible when it sits on a cover-art thumbnail and the row's position in +the list is readable at a glance. Overlays rebuild from scratch, so the +numbering survives kills, inserts, and reorders; the buffer text itself is +untouched (EMMS owns it). A dead BUFFER is a silent no-op, since the +debounce timer can outlive the playlist buffer." + (let ((buf (or buffer (current-buffer)))) + (when (buffer-live-p buf) + (with-current-buffer buf + (remove-overlays (point-min) (point-max) 'cj-music-row-number t) + (save-excursion + (goto-char (point-min)) + (let ((n 0)) + (while (not (eobp)) + (unless (looking-at-p "[ \t]*$") + (setq n (1+ n)) + ;; Span one char rather than zero: `overlays-in' (and so + ;; `remove-overlays') can miss an empty overlay sitting + ;; exactly at the region start. + (let ((ov (make-overlay (line-beginning-position) + (1+ (line-beginning-position))))) + (overlay-put ov 'cj-music-row-number t) + ;; Outrank the header overlay (priority 100): both anchor + ;; strings at position 1 on row 1, and without this the + ;; row's number renders above the header block instead of + ;; beside its own track. + (overlay-put ov 'priority 200) + (overlay-put ov 'before-string + (cj/music--number-string (format "%3d " n) nil)))) + (forward-line 1)))) + ;; The rebuild deleted the marked overlay; re-mark the current row. + (setq cj/music--current-number-overlay nil) + (cj/music--highlight-current-number))))) + +(defvar-local cj/music--current-number-overlay nil + "The number overlay currently rendered as the you-are-here mark, or nil.") + +(defun cj/music--number-string (text current) + "Build the number-gutter display string from TEXT. +CURRENT non-nil renders it inverse video (the you-are-here mark). The +single place the gutter string's properties live: the face, and the +cursor property that makes redisplay draw the cursor on the number +instead of invisibly on the album art after it." + (propertize text + 'face (if current + '(:inherit cj/music-keyhint-face :inverse-video t) + 'cj/music-keyhint-face) + 'cursor t)) + +(defun cj/music--set-number-face (ov current) + "Re-render number overlay OV's string; CURRENT non-nil marks it inverse. +Keeps the text, swaps only the rendering (see `cj/music--number-string')." + (let ((s (overlay-get ov 'before-string))) + (overlay-put ov 'before-string + (cj/music--number-string (substring-no-properties s) current)))) + +(defun cj/music--highlight-current-number () + "Render the current row's number in inverse video, restoring the last one. +The block cursor draws only in the selected window, and the playlist dock +is glanced at from other windows constantly, so the number itself carries +the you-are-here mark -- visible whether or not the window has focus." + (let ((ov (seq-find (lambda (o) (overlay-get o 'cj-music-row-number)) + (overlays-in (line-beginning-position) + (min (1+ (line-beginning-position)) (point-max)))))) + (unless (eq ov cj/music--current-number-overlay) + (when (and (overlayp cj/music--current-number-overlay) + (overlay-buffer cj/music--current-number-overlay)) + (cj/music--set-number-face cj/music--current-number-overlay nil)) + (setq cj/music--current-number-overlay ov) + (when ov + (cj/music--set-number-face ov t))))) + +(defun cj/music--schedule-renumber (&rest _) + "Debounced renumber of the current playlist buffer after a text change. +Wired buffer-locally into `after-change-functions' by +`cj/music--ensure-playlist-buffer'; the idle delay coalesces a burst of +inserts or kills into one renumber pass." + (when (timerp cj/music--renumber-timer) + (cancel-timer cj/music--renumber-timer)) + (setq cj/music--renumber-timer + (run-with-idle-timer 0.2 nil #'cj/music--renumber-rows (current-buffer)))) + (defun cj/music--ensure-playlist-buffer () "Ensure EMMS playlist buffer exists and is in playlist mode. Return buffer." (let ((buffer (get-buffer-create cj/music-playlist-buffer-name))) (with-current-buffer buffer (unless (eq major-mode 'emms-playlist-mode) (emms-playlist-mode)) - (setq emms-playlist-buffer-p t)) + (setq emms-playlist-buffer-p t) + ;; Row numbering: renumber after every playlist change, debounced. + (add-hook 'after-change-functions #'cj/music--schedule-renumber nil t) + ;; The highlighted row stays findable even when the cursor sits on + ;; album art (pairs with the row-number prefixes). + (hl-line-mode 1) + ;; Gutter cursor: point lives at the row start (the number column). + (add-hook 'post-command-hook #'cj/music--pin-point-to-bol nil t) + ;; Logical-line motion: the multi-line header overlay string at + ;; position 1 otherwise absorbs next-line from the top row (vertical + ;; motion walks the header's screen lines, which all map back to the + ;; same buffer position, so arrows look dead). Rows are one logical + ;; line each; visual movement buys nothing here. + (setq-local line-move-visual nil) + ;; Sticky header: re-anchor the header block at the window start on + ;; every scroll, so it stays frozen while the list scrolls under it. + (add-hook 'window-scroll-functions #'cj/music--stick-header nil t)) + (cj/music--renumber-rows buffer) ;; Set this as the current EMMS playlist buffer (setq emms-playlist-buffer buffer) buffer)) (defun cj/music--m3u-file-tracks (m3u-file) - "Return list of absolute track paths from M3U-FILE. Ignore # comment lines." + "Return list of absolute track paths from M3U-FILE. Ignore # comment lines. +Stream URLs pass through untouched; a local path must carry an accepted +music extension (`cj/music--valid-file-p') -- old playlists saved before +directory adds were filtered can carry cover.jpg lines, and loading one +would put the cover right back in the playlist." (when (and m3u-file (file-exists-p m3u-file)) (with-temp-buffer (insert-file-contents m3u-file) @@ -344,11 +506,12 @@ modification date so marginalia can show them." (while (re-search-forward "^[^#].*$" nil t) (let ((line (string-trim (match-string 0)))) (unless (string-empty-p line) - (push (if (or (file-name-absolute-p line) - (string-match-p "\\`\\(https?\\|mms\\)://" line)) - line - (expand-file-name line dir)) - tracks)))) + (let* ((url-p (string-match-p "\\`\\(https?\\|mms\\)://" line)) + (path (cond (url-p line) + ((file-name-absolute-p line) line) + (t (expand-file-name line dir))))) + (when (or url-p (cj/music--valid-file-p path)) + (push path tracks)))))) (nreverse tracks))))) (defun cj/music--playlist-track-objects () @@ -435,17 +598,51 @@ Returns the full path to the selected file, or nil if cancelled." (unless (string= choice "(Cancel)") (cdr (assoc choice m3u-files))))) +(defun cj/music--delete-playlist-file (path) + "Delete the playlist file at PATH. +Signals a `user-error' when PATH is nil or missing. When the playlist +buffer's associated file is PATH, the association is cleared (the in-memory +queue is untouched). Refreshes the radio metadata cache since an .m3u just +left the roots." + (unless (and path (file-exists-p path)) + (user-error "Playlist file does not exist: %s" + (if path (file-name-nondirectory path) "nil"))) + (delete-file path) + (with-current-buffer (cj/music--ensure-playlist-buffer) + (when (equal cj/music-playlist-file path) + (setq cj/music-playlist-file nil))) + (cj/music--refresh-radio-name-map)) + ;;; Commands: add/select +(defun cj/music--music-files-recursive (directory) + "Return sorted absolute paths of the music files under DIRECTORY. +Only files passing `cj/music--valid-file-p' (the accepted extensions in +`cj/music-file-extensions') come back; hidden files and hidden +directories are skipped. This is the filter the directory-add commands +route through -- handing the raw tree to EMMS added every file it found, +so cover art and liner notes ended up as playlist rows." + (sort (seq-filter #'cj/music--valid-file-p + (directory-files-recursively + directory "\\`[^.]" nil + (lambda (dir) + (not (string-prefix-p "." (file-name-nondirectory dir)))))) + #'string-lessp)) + (defun cj/music-add-directory-recursive (directory) - "Add all music files under DIRECTORY recursively to the EMMS playlist." + "Add all music files under DIRECTORY recursively to the EMMS playlist. +Only files with accepted music extensions are added; cover art and other +non-music files in album directories stay out." (interactive (list (read-directory-name "Add directory recursively: " cj/music-root nil t))) (unless (file-directory-p directory) (user-error "Not a directory: %s" directory)) (cj/music--ensure-playlist-buffer) - (emms-add-directory-tree directory) - (message "Added recursively: %s" directory)) + (let ((files (cj/music--music-files-recursive directory))) + (dolist (f files) + (emms-add-file f)) + (message "Added %d music file%s from %s" + (length files) (if (= (length files) 1) "" "s") directory))) (defun cj/music-fuzzy-select-and-add () @@ -597,6 +794,10 @@ ENTRIES. Nil when neither applies (the caller falls back to a timestamp)." (plist-get (cdr (assoc (emms-track-name tr) entries)) :name))))) +;; Forward declaration: the real `defvar' lives with the radio config block far +;; below. Declared special here so this reference compiles clean. +(defvar cj/music-radio-save-dir) + (defun cj/music--save-directory (tracks) "Directory a saved playlist targets. An all-stream queue is a radio playlist and saves into @@ -664,6 +865,23 @@ reloaded playlist keeps its display name and cover art." (message "Reloaded playlist: %s" name))) +(defun cj/music-delete-playlist () + "Delete an .m3u playlist file after strong confirmation. +Candidates are the playlists `cj/music-playlist-load' offers -- every +directory in `cj/music-m3u-roots' (the local library and MPD's playlist +dir). Deleting the loaded playlist's file keeps the in-memory queue but +clears its file association." + (interactive) + (let ((file (cj/music--select-m3u-file "Delete playlist: "))) + (if (not file) + (message "Playlist deletion cancelled") + (unless (cj/confirm-strong (format "Delete playlist %s? " + (file-name-nondirectory file))) + (user-error "Aborted deleting playlist")) + (cj/music--delete-playlist-file file) + (message "Deleted playlist: %s" (file-name-nondirectory file))))) + + (defun cj/music-playlist-edit () "Open the playlist's M3U file in other window, prompting to save if modified." (interactive) @@ -775,11 +993,13 @@ Intended for use on `emms-player-finished-hook'." ) -(defvar cj/music-playlist-window-height 0.3 +(defvar cj/music-playlist-window-height 0.5 "Default fraction of frame height for the F10 music playlist side window. -Used when the playlist hasn't been resized and toggled off this session; -after that, the toggled-off height is remembered in -`cj/--music-playlist-height'.") +Half the frame, so a playlist of real length shows enough rows (a third +still read too short in practice). Used when the playlist hasn't been +resized and toggled off this session; after that, the toggled-off height +is remembered in `cj/--music-playlist-height' -- but only when it's at +least this default (see the discard in `cj/music-playlist-toggle').") (defvar cj/--music-playlist-height nil "Last height fraction the playlist was toggled off at. @@ -802,6 +1022,13 @@ resized and toggled off this session, it reopens at that remembered height." (if win (progn (cj/side-window-capture-size win 'bottom 'cj/--music-playlist-height) + ;; Remember enlargements only. Window churn (another side window + ;; opening) squeezes the dock, and remembering the squeeze reopens + ;; it too short on every later toggle. A deliberate shrink is the + ;; rare case; losing it costs one resize. + (when (and (numberp cj/--music-playlist-height) + (< cj/--music-playlist-height cj/music-playlist-window-height)) + (setq cj/--music-playlist-height nil)) (delete-window win) (message "Playlist window closed")) (progn @@ -811,11 +1038,7 @@ resized and toggled off this session, it reopens at that remembered height." buffer 'bottom 'cj/--music-playlist-height cj/music-playlist-window-height)) (select-window win) - (with-current-buffer buffer - (if (and (fboundp 'emms-playlist-current-selected-track) - (emms-playlist-current-selected-track)) - (emms-playlist-mode-center-current) - (goto-char (point-min)))) + (cj/music--playlist-land-point win buffer) (let ((count (with-current-buffer buffer (count-lines (point-min) (point-max))))) (message (if (> count 0) @@ -833,7 +1056,9 @@ Initializes EMMS if needed." (when buffer-exists (with-current-buffer cj/music-playlist-buffer-name (setq has-content (> (point-max) (point-min))))) - (switch-to-buffer (cj/music--ensure-playlist-buffer)) + (let ((buffer (cj/music--ensure-playlist-buffer))) + (switch-to-buffer buffer) + (cj/music--playlist-land-point (selected-window) buffer)) (cond ((not emms-was-loaded) (message "EMMS started. Current playlist empty")) ((and buffer-exists has-content) (message "EMMS running. Displaying current playlist")) @@ -848,9 +1073,10 @@ Dirs added recursively." (unless (derived-mode-p 'dired-mode) (user-error "This command must be run in a Dired buffer")) (cj/music--ensure-playlist-buffer) - (let ((files (if (use-region-p) - (dired-get-marked-files) - (list (dired-get-file-for-visit))))) + ;; dired-get-marked-files already honors m-marks, an active region, or the + ;; file at point; gating it behind use-region-p silently dropped all but + ;; the point file whenever files were marked without a region. + (let ((files (dired-get-marked-files))) (when (null files) (user-error "No files selected")) (dolist (file files) @@ -1160,12 +1386,12 @@ The rule uses a resize-safe :align-to span, not a hardcoded character count." (propertize "Mode " 'face 'cj/music-header-face) (propertize " : " 'face 'cj/music-header-face) (funcall mode-indicator "r" "repeat" (bound-and-true-p emms-repeat-playlist)) " " - (funcall mode-indicator "s" "single" (bound-and-true-p emms-repeat-track)) " " + (funcall mode-indicator "1" "single" (bound-and-true-p emms-repeat-track)) " " (funcall mode-indicator "z" "random" (bound-and-true-p emms-random-playlist)) " " (funcall mode-indicator "x" "consume" cj/music-consume-mode) "\n" (propertize "Keys " 'face 'cj/music-header-face) (propertize " : " 'face 'cj/music-header-face) - (propertize "a:add c:clear L:load v:save S:stop SPC:pause <>:skip ↑↓:move C-↑↓:reorder q:dismiss" + (propertize "a:add c:clear L:load s:save D:delete SPC:pause <>:skip ↑↓:move C-↑↓:reorder q:dismiss" 'face 'cj/music-keyhint-face) "\n" (propertize "Radio " 'face 'cj/music-header-face) (propertize " : " 'face 'cj/music-header-face) @@ -1217,14 +1443,51 @@ the controls." (cj/music--fancy-header) (cj/music--text-header))) +(defun cj/music--header-anchor-position () + "Return the position the header overlay should anchor at right now. +The start of the displaying window when the playlist is shown (so the +header stays at the top of the window while the list scrolls under it), +else the top of the buffer. Searches all frames -- the refresh timer can +run with any frame selected, and missing a window on another frame would +anchor at the buffer top and yank a scrolled header back." + (if-let ((win (get-buffer-window (current-buffer) t))) + (max (point-min) (min (window-start win) (point-max))) + (point-min))) + +(defun cj/music--stick-header (win start) + "Re-anchor the header overlay at START, WIN's new display start. +Runs on the buffer-local `window-scroll-functions', so every scroll pins +the header block to the top of the window and the track list scrolls +beneath it. Converges: an already-anchored header is a no-op, so the +redisplay this move triggers doesn't loop. Always returns nil." + (with-current-buffer (window-buffer win) + (when (and (overlayp cj/music--header-overlay) + (overlay-buffer cj/music--header-overlay) + (integer-or-marker-p start)) + (let ((pos (max (point-min) (min start (point-max))))) + (unless (= (overlay-start cj/music--header-overlay) pos) + (move-overlay cj/music--header-overlay pos pos)))) + nil)) + +(defun cj/music--refresh-header-after-toggle (&rest _) + "Refresh the playlist header after a repeat/random/consume toggle. +Named (not an anonymous lambda) so the :config reload can advice-remove +it before re-adding -- anonymous advice stacks a copy per reload." + (cj/music--update-header)) + (defun cj/music--update-header () - "Insert or update the multi-line header overlay in the playlist buffer." + "Insert or update the multi-line header overlay in the playlist buffer. +Anchors at the displaying window's start (see +`cj/music--header-anchor-position') -- the refresh timer calls this every +second, and re-anchoring at the buffer top would yank the sticky header +away whenever the list is scrolled." (when-let ((buf (get-buffer cj/music-playlist-buffer-name))) (with-current-buffer buf (unless cj/music--header-overlay (setq cj/music--header-overlay (make-overlay (point-min) (point-min))) (overlay-put cj/music--header-overlay 'priority 100)) - (move-overlay cj/music--header-overlay (point-min) (point-min)) + (let ((pos (cj/music--header-anchor-position))) + (move-overlay cj/music--header-overlay pos pos)) (overlay-put cj/music--header-overlay 'before-string (cj/music--header-text))))) @@ -1344,19 +1607,22 @@ unless fancy." (add-hook 'emms-player-stopped-hook #'cj/music--stop-bar-timer) (add-hook 'emms-player-finished-hook #'cj/music--stop-bar-timer) - ;; Refresh header immediately when toggling modes + ;; Refresh header immediately when toggling modes. Named advice with a + ;; remove-then-add guard (like the emms-playlist-clear advice above): + ;; an anonymous lambda can't be advice-removed and stacks a copy on every + ;; :config reload, firing the refresh N times per toggle. (dolist (fn '(emms-toggle-repeat-playlist emms-toggle-repeat-track emms-toggle-random-playlist cj/music-toggle-consume)) - (advice-add fn :after (lambda (&rest _) (cj/music--update-header)))) + (advice-remove fn #'cj/music--refresh-header-after-toggle) + (advice-add fn :after #'cj/music--refresh-header-after-toggle)) :bind (:map emms-playlist-mode-map ;; Playback ("p" . emms-playlist-mode-go) ("SPC" . emms-pause) - ("s" . emms-stop) ("n" . cj/music-next) (">" . cj/music-next) ("P" . cj/music-previous) @@ -1379,9 +1645,9 @@ unless fancy." ("c" . cj/music-playlist-clear) ("C" . cj/music-playlist-clear) ("L" . cj/music-playlist-load) + ("D" . cj/music-delete-playlist) ("E" . cj/music-playlist-edit) ("g" . cj/music-playlist-reload) - ("v" . cj/music-playlist-save) ;; Track reordering ("S-<up>" . emms-playlist-mode-shift-track-up) ("S-<down>" . emms-playlist-mode-shift-track-down) @@ -1434,6 +1700,15 @@ On a connection failure the client falls back to a host from /json/servers.") "User-Agent sent with radio-browser requests. The project asks clients to identify themselves.") +(defvar cj/music-radio-tag-limit 500 + "Maximum number of tags fetched from radio-browser for tag completion. +The /json/tags endpoint is fetched ordered by station count, so the limit +keeps the popular tags and drops the long tail of one-station noise tags.") + +(defvar cj/music-radio--tags-cache nil + "Session cache of radio-browser tag names, or nil before the first fetch. +A failed fetch leaves it nil so the next tag search retries.") + (defvar cj/music-radio-search-limit 30 "Maximum number of stations a radio-browser search returns.") @@ -1504,14 +1779,16 @@ TAGS is a comma-separated string or nil; nil or empty yields the empty string." (defun cj/music-radio--format-candidate (st) "Marginalia annotation for station ST. -Variant B: codec, bitrate, country, votes, and the first few tags." +Variant B: codec, bitrate, country, votes, and the first few tags. Every +field pads to a fixed width (votes included) so the listing reads as +aligned columns across stations." (let ((codec (or (plist-get st :codec) "")) (bitrate (let ((b (plist-get st :bitrate))) (if (and (integerp b) (> b 0)) (format "%dk" b) ""))) (cc (or (plist-get st :countrycode) "")) (votes (or (plist-get st :votes) 0)) (tags (cj/music-radio--tags-snippet (plist-get st :tags) 3))) - (format "%-4s %-5s %-2s ♥%d %s" codec bitrate cc votes tags))) + (format "%-4s %-5s %-2s %-7s %s" codec bitrate cc (format "♥%d" votes) tags))) (defun cj/music-radio--search-url (server query &optional field) "Build the radio-browser station-search URL for QUERY against SERVER. @@ -1571,23 +1848,21 @@ to one station. Pure helper." (push (cons disp st) out))))) (defun cj/music-radio--completion-table (candidates) - "Completion table over CANDIDATES carrying the Variant-B marginalia affix." + "Completion table over CANDIDATES carrying the Variant-B annotation. +Tagged `cj-radio-station' and registered with marginalia (builtin), so the +codec/bitrate/country/votes/tags annotation renders right-aligned like the +stock categories. The \"[done]\" sentinel has no station and annotates as +nil rather than a bogus zero row." + (cj/completion-ensure-marginalia-align 'cj-radio-station) (lambda (string pred action) (if (eq action 'metadata) `(metadata (category . cj-radio-station) - (affixation-function - . ,(lambda (cands) - (mapcar (lambda (c) - (let ((st (cdr (assoc c candidates)))) - ;; The "[done]" sentinel has no station, so it gets - ;; no annotation rather than a bogus "0" row. - (list c "" (if st - (concat " " - (propertize (cj/music-radio--format-candidate st) - 'face 'completions-annotations)) - "")))) - cands)))) + (annotation-function + . ,(lambda (c) + (when-let ((st (cdr (assoc c candidates)))) + (concat " " (propertize (cj/music-radio--format-candidate st) + 'face 'completions-annotations)))))) (complete-with-action action (mapcar #'car candidates) string pred)))) (defun cj/music-radio--pick-loop (candidates) @@ -1617,8 +1892,10 @@ bitrate, country, votes, and tags), lets you pick several one at a time, adds each to the playlist as a url track carrying its station metadata, and plays the first pick (interrupting whatever was playing). Nothing is written to disk; save the queue with the normal playlist save, where the station name -pre-fills the prompt." - (when (string-empty-p (string-trim query)) +pre-fills the prompt. QUERY is trimmed of surrounding whitespace first -- +a stray trailing space otherwise reaches the API as %20 and matches nothing." + (setq query (string-trim query)) + (when (string-empty-p query) (user-error "Empty search")) (cj/emms--setup) (let* ((stations (cj/music-radio--search query field)) @@ -1650,9 +1927,44 @@ pre-fills the prompt." (interactive "sRadio search (name): ") (cj/music-radio--search-and-play query "name")) +(defun cj/music-radio--tags-url (server) + "Build the radio-browser tag-list URL against SERVER. +Ordered by station count descending so the limit keeps the popular tags." + (format "https://%s/json/tags?order=stationcount&reverse=true&limit=%d" + server cj/music-radio-tag-limit)) + +(defun cj/music-radio--parse-tags (json-text) + "Parse a radio-browser JSON-TEXT tag array into a clean list of tag names. +Names come back whitespace-trimmed with empties and duplicates dropped -- +the source data is user-generated and carries all three. Signals +`user-error' on unreadable JSON (via `cj/music-radio--parse-search')." + (let ((names '())) + (dolist (tag (cj/music-radio--parse-search json-text)) + (let ((name (string-trim (or (plist-get tag :name) "")))) + (unless (or (string-empty-p name) (member name names)) + (push name names)))) + (nreverse names))) + +(defun cj/music-radio--available-tags () + "Return cached radio-browser tag names, fetching once per session. +Returns nil when the fetch or parse fails, leaving the cache empty so a +later call retries; the tag prompt then falls back to free-form input." + (or cj/music-radio--tags-cache + (setq cj/music-radio--tags-cache + (ignore-errors + (when-let ((body (cj/music-radio--http-get + (cj/music-radio--tags-url cj/music-radio-server)))) + (cj/music-radio--parse-tags body)))))) + (defun cj/music-radio-search-by-tag (tag) - "Search radio-browser.info by tag/genre, then queue and play a selection." - (interactive "sRadio search (tag): ") + "Search radio-browser.info by tag/genre, then queue and play a selection. +The prompt completes over the popular tags fetched from radio-browser +\(cached per session), so you pick from tags that exist instead of +guessing. Free-form input still works for an unlisted tag, and the prompt +degrades to plain input when the tag fetch fails." + (interactive + (list (completing-read "Radio search (tag): " + (cj/music-radio--available-tags)))) (cj/music-radio--search-and-play tag "tag")) ;; ------------------------------- Cover art ----------------------------------- @@ -1789,14 +2101,15 @@ when there is nothing to fetch." (message "Cleared music art cache: %s" cj/music-art-cache-dir)) ;; Radio row in the playlist buffer: n = search by name, t = search by tag, -;; m = enter a station by hand. This moves the "single" mode toggle off t to s -;; and emms-stop off s to S (see the header's Mode/Keys/Radio rows). +;; m = enter a station by hand. Single-track mode is on 1 and s saves the +;; playlist; stop was dropped (SPC/pause covers it). These run after +;; use-package's :map, so they win (see the header's Mode/Keys/Radio rows). (with-eval-after-load 'emms (keymap-set emms-playlist-mode-map "n" #'cj/music-radio-search-by-name) (keymap-set emms-playlist-mode-map "t" #'cj/music-radio-search-by-tag) (keymap-set emms-playlist-mode-map "m" #'cj/music-create-radio-station) - (keymap-set emms-playlist-mode-map "s" #'emms-toggle-repeat-track) - (keymap-set emms-playlist-mode-map "S" #'emms-stop)) + (keymap-set emms-playlist-mode-map "1" #'emms-toggle-repeat-track) + (keymap-set emms-playlist-mode-map "s" #'cj/music-playlist-save)) (provide 'music-config) ;;; music-config.el ends here |