mirror of
https://github.com/sxyazi/yazi.git
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50 lines
1.1 KiB
Lua
50 lines
1.1 KiB
Lua
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local M = {}
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function M:msg(s)
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local p = ui.Paragraph(self.area, {
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ui.Line { ui.Span(s):reverse() },
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})
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ya.preview_widgets(self, { p:wrap(ui.Paragraph.WRAP) })
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end
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function M:peek()
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local path = tostring(self.file.url)
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if path:sub(1, 6) ~= "/proc/" then
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return self:msg("Empty file")
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end
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local limit = self.area.h
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local i, lines = 0, {}
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local ok, err = pcall(function()
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for line in io.lines(path) do
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i = i + 1
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if i > self.skip + limit then
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break
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elseif i > self.skip then
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lines[#lines + 1] = ui.Line(line)
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end
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end
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end)
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if not ok then
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self:msg(err)
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elseif self.skip > 0 and i < self.skip + limit then
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ya.manager_emit("peek", { math.max(0, i - limit), only_if = self.file.url, upper_bound = true })
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else
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ya.preview_widgets(self, { ui.Paragraph(self.area, lines) })
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end
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end
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function M:seek(units)
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local h = cx.active.current.hovered
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if h and h.url == self.file.url then
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local step = math.floor(units * self.area.h / 10)
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ya.manager_emit("peek", {
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math.max(0, cx.active.preview.skip + step),
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only_if = self.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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