diff options
| -rw-r--r-- | player/lua/stats.lua | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/player/lua/stats.lua b/player/lua/stats.lua index e004272bcb..8d27ef183a 100644 --- a/player/lua/stats.lua +++ b/player/lua/stats.lua @@ -1006,6 +1006,25 @@ local function eval_ass_formatting() end +-- Composes the output with header and scrollable content +-- Returns string of the finished page and the actually chosen offset +-- +-- header : table of the header where each entry is one line +-- content : table of the content where each entry is one line +-- offset : the desired scroll offset of the content from the first line at the top +local function compose_page(header, content, offset) + -- up to 22 lines for the terminal - so that mpv can also print + -- the status line without scrolling, and up to 40 lines for libass + -- because it can put a big performance toll on libass to process + -- many lines which end up outside (below) the screen. + local max_content_lines = (o.use_ass and 40 or 22) - #header + -- in the terminal the scrolling should stop once the last line is visible + local max_offset = o.use_ass and #content or #content - max_content_lines + 1 + local from = max(1, min((offset or 1), max_offset)) + local to = min(#content, from + max_content_lines - 1) + return table.concat(header) .. table.concat(content, "", from, to), from +end + -- Returns an ASS string with "normal" stats local function default_stats() local stats = {} @@ -1055,20 +1074,15 @@ local function keybinding_info(after_scroll) append(header, "", {prefix=format("%s: {\\fs%s}%s{\\fs%s}", page.desc, o.font_size * 0.66, "(hint: scroll with ↑↓)", o.font_size), nl="", indent=""}) + header = {table.concat(header)} if not kbinfo_lines or not after_scroll then kbinfo_lines = get_kbinfo_lines() end - -- up to 20 lines for the terminal - so that mpv can also print - -- the status line without scrolling, and up to 40 lines for libass - -- because it can put a big performance toll on libass to process - -- many lines which end up outside (below) the screen. - local term = not o.use_ass - local nlines = #kbinfo_lines - page.offset = max(1, min((page.offset or 1), term and nlines - 20 or nlines)) - local maxline = min(nlines, page.offset + (term and 20 or 40)) - return table.concat(header) .. - table.concat(kbinfo_lines, "", page.offset, maxline) + + local res = nil + res, page.offset = compose_page(header, kbinfo_lines, page.offset) + return res end local function perf_stats() |