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-- mod-version:3 --lite-xl 2.1
local core = require "core"
local config = require "core.config"
local common = require "core.common"
local command = require "core.command"
local keymap = require "core.keymap"
local treeview = require "plugins.treeview"
local DocView = require "core.docview"
config.plugins.centerdoc = common.merge({
enabled = true,
zen_mode = false
}, config.plugins.centerdoc)
local draw_line_gutter = DocView.draw_line_gutter
local get_gutter_width = DocView.get_gutter_width
function DocView:draw_line_gutter(line, x, y, width)
local lh
if not config.plugins.centerdoc.enabled then
lh = draw_line_gutter(self, line, x, y, width)
else
local real_gutter_width = get_gutter_width(self)
local offset = self:get_gutter_width() - real_gutter_width * 2
lh = draw_line_gutter(self, line, x + offset, y, real_gutter_width)
end
return lh
end
function DocView:get_gutter_width()
if not config.plugins.centerdoc.enabled then
return get_gutter_width(self)
else
local real_gutter_width = get_gutter_width(self)
local width = real_gutter_width + self:get_font():get_width("n") * config.line_limit
return math.max((self.size.x - width) / 2, real_gutter_width)
end
end
local previous_win_status = system.get_window_mode()
local previous_treeview_status = treeview.visible
local previous_statusbar_status = core.status_view.visible
local function toggle_zen_mode(enabled)
config.plugins.centerdoc.zen_mode = enabled
if config.plugins.centerdoc.zen_mode then
previous_win_status = system.get_window_mode()
previous_treeview_status = treeview.visible
previous_statusbar_status = core.status_view.visible
config.plugins.centerdoc.enabled = true
system.set_window_mode("fullscreen")
treeview.visible = false
command.perform "status-bar:hide"
else
config.plugins.centerdoc.enabled = false
system.set_window_mode(previous_win_status)
treeview.visible = previous_treeview_status
core.status_view.visible = previous_statusbar_status
end
end
local on_startup = true
-- The config specification used by the settings gui
config.plugins.centerdoc.config_spec = {
name = "Center Document",
{
label = "Enable",
description = "Activates document centering by default.",
path = "enabled",
type = "toggle",
default = true
},
{
label = "Zen Mode",
description = "Activates zen mode by default.",
path = "zen_mode",
type = "toggle",
default = false,
on_apply = function(enabled)
if on_startup then
core.add_thread(function()
toggle_zen_mode(enabled)
end)
on_startup = false
else
toggle_zen_mode(enabled)
end
end
}
}
command.add(nil, {
["center-doc:toggle"] = function()
config.plugins.centerdoc.enabled = not config.plugins.centerdoc.enabled
end,
["center-doc:zen-mode-toggle"] = function()
toggle_zen_mode(not config.plugins.centerdoc.zen_mode)
end,
})
keymap.add { ["ctrl+alt+z"] = "center-doc:zen-mode-toggle" }
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