46 lines
1.1 KiB
Lua
46 lines
1.1 KiB
Lua
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local style = require "core.style"
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local config = require "core.config"
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local DocView = require "core.docview"
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local function get_line_spaces(doc, idx, dir)
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local text = doc.lines[idx]
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if not text then
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return 0
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end
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local s, e = text:find("^%s*")
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if e == #text then
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return get_line_spaces(doc, idx + dir, dir)
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end
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local n = 0
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for i = s, e do
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n = n + (text:byte(i) == 9 and config.indent_size or 1)
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end
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return n
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end
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local function get_line_indent_guide_spaces(doc, idx)
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if doc.lines[idx]:find("^%s*\n") then
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return math.max(
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get_line_spaces(doc, idx - 1, -1),
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get_line_spaces(doc, idx + 1, 1))
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end
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return get_line_spaces(doc, idx)
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end
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local draw_line_text = DocView.draw_line_text
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function DocView:draw_line_text(idx, x, y)
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local spaces = get_line_indent_guide_spaces(self.doc, idx)
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local sw = self:get_font():get_width(" ")
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local w = math.ceil(1 * SCALE)
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local h = self:get_line_height()
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for i = 0, spaces - 1, config.indent_size do
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local color = style.guide or style.selection
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renderer.draw_rect(x + sw * i, y, w, h, color)
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end
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draw_line_text(self, idx, x, y)
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end
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