72 lines
2 KiB
Lua
72 lines
2 KiB
Lua
local M = {}
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---Make a lualine component that is colored only when focused.
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---@param base table|string Either a lualine component or a component name.
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---@return table component
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M.dynamic_color = function(base)
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local component = {}
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if type(base) == "string" then
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component = require("lualine.components." .. base):extend()
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elseif type(base) == "table" then
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component = base:extend()
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else
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return component
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end
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function component:init(options)
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component.super.init(
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self,
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vim.tbl_deep_extend("keep", options or {}, {
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colored = true,
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dynamic_color = true,
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})
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)
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self.saved_highlight = self.options.color_highlight
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end
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function component:update_status(is_focused)
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if self.options.dynamic_color then self.options.colored = is_focused end
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return component.super.update_status(self, is_focused)
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end
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function component:draw(default_highlight, is_focused)
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self.options.color_highlight = self.options.colored and self.saved_highlight or nil
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return component.super.draw(self, default_highlight, is_focused)
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end
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return component
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end
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---@class LualineIndicatorSpec
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---@field icon string The icon to show when the indicator is active.
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---@field cond function A function that returns true when the indicator should
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--- be visible, false otherwise.
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---Make a lualine indicator that shows an icon when a condition is true.
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---@param spec LualineIndicatorSpec
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---@return table component
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M.indicator = function(spec)
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vim.validate("spec", spec, "table")
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vim.validate("spec.icon", spec.icon, "string")
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vim.validate("spec.cond", spec.cond, "function")
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local component = require("lualine.component"):extend()
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function component:init(options)
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component.super.init(
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self,
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vim.tbl_deep_extend(
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"keep",
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options or {},
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{ cond = spec.cond or function() return false end }
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)
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)
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end
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function component:update_status(--[[is_focused]]_) return spec.icon or "?" end
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return component
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end
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return M
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