47 lines
1 KiB
Lua
47 lines
1 KiB
Lua
local M = {}
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function M:peek(job)
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local child = Command('mdcat')
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:args({
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'--columns',
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tostring(job.area.w),
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tostring(job.file.url),
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})
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:stdout(Command.PIPED)
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:stderr(Command.PIPED)
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:spawn()
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local count, lines = 0, ''
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repeat
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local line, event = child:read_line()
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if event ~= 0 then
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break
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else
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count = count + 1
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if count > job.skip then
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lines = lines .. line
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end
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end
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until count >= job.skip + job.area.h
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child:start_kill()
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if job.skip > 0 and count < job.skip + job.area.h then
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ya.manager_emit('peek', {
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tostring(math.max(0, count - job.area.h)),
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only_if = job.file.url,
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upper_bound = '',
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})
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else
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ya.preview_widgets(job, { ui.Text.parse(lines):area(job.area) })
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end
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end
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function M:seek(job)
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local h = cx.active.current.hovered
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if h and h.url == job.file.url then
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ya.manager_emit('peek', {
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math.max(0, cx.active.preview.skip + job.units),
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only_if = job.file.url,
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})
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end
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end
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return M
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