72 lines
1.9 KiB
Lua
72 lines
1.9 KiB
Lua
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-- mod-version:3
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local core = require "core"
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local config = require "core.config"
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local command = require "core.command"
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local common = require "core.common"
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local DocView = require "core.docview"
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config.plugins.autowrap = common.merge({
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enabled = false,
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files = { "%.md$", "%.txt$" },
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-- The config specification used by the settings gui
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config_spec = {
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name = "Auto Wrap",
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{
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label = "Enable",
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description = "Activates text auto wrapping by default.",
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path = "enabled",
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type = "toggle",
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default = false
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},
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{
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label = "Files",
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description = "List of Lua patterns matching files to auto wrap.",
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path = "files",
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type = "list_strings",
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default = { "%.md$", "%.txt$" },
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}
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}
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}, config.plugins.autowrap)
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local on_text_input = DocView.on_text_input
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DocView.on_text_input = function(self, ...)
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on_text_input(self, ...)
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if not config.plugins.autowrap.enabled then return end
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-- early-exit if the filename does not match a file type pattern
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local filename = self.doc.filename or ""
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local matched = false
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for _, ptn in ipairs(config.plugins.autowrap.files) do
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if filename:match(ptn) then
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matched = true
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break
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end
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end
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if not matched then return end
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-- do automatic reflow on line if we're typing at the end of the line and have
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-- reached the line limit
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local line, col = self.doc:get_selection()
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local text = self.doc:get_text(line, 1, line, math.huge)
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if #text >= config.line_limit and col > #text then
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command.perform("doc:select-lines")
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command.perform("reflow:reflow")
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command.perform("doc:move-to-next-char")
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command.perform("doc:move-to-end-of-line")
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end
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end
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command.add(nil, {
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["auto-wrap:toggle"] = function()
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config.plugins.autowrap.enabled = not config.plugins.autowrap.enabled
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if config.plugins.autowrap.enabled then
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core.log("Auto wrap: on")
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else
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core.log("Auto wrap: off")
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end
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end
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})
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