mirror of
https://github.com/MezzalunaWM/Mezzaluna.git
synced 2026-03-07 19:49:53 -05:00
91 lines
2.8 KiB
Lua
91 lines
2.8 KiB
Lua
--- This is a wrapper around mez's hooks and keybinds to allow users to create
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--- layouts without multiple different layouts conflicting.
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---
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--- TODO: this may be overridden by the user by setting mez.layout prior to the
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--- runtime loading
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local mapper = require("mapper")
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---@class layout.options options when creating a layout
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---@field name string the name of the layout
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---@field callback function this is the function which is run when changes to current state have been made
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---@field events string[]? this is a list of the events that callback will be run on
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---@field layout_maps mapper.map[]? a list of layout maps
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---@field focus_maps mapper.map[]? a list of focus changing maps
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---@field cursor_maps mapper.map[]? a list of focus changing maps
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---@class layout : layout.options a singular layout
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---@field callback_id number the id of the callback
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---@class layout_manager manage all your layouts
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---@field layouts layout[] all the layouts that are registered
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---@field current_layout layout the currently active layout
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local layout_manager = {
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layouts = {},
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--- the baseline events for a new layout
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events = {
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"ViewMapPre",
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"ViewUnmapPost",
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-- "ViewPointerMotion",
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}
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}
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--- create a new layout
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---@param options layout.options
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---@return layout your_layout returns your new layout
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function layout_manager.new_layout(options)
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local layout = {}
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layout.name = options.name
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layout.callback = options.callback
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layout.events = layout_manager.events
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layout.layout_maps = options.layout_maps
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layout.focus_maps = options.focus_maps
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layout.cursor_maps = options.cursor_maps
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-- store the new layout in the layout list
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layout_manager.layouts[#layout_manager.layouts + 1] = layout
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return layout
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end
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--- set the current layout
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---@param layout_name string the name of the layout already created in the layout_manager
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function layout_manager.set_layout(layout_name)
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local layout = nil
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for _, l in ipairs(layout_manager.layouts) do
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if l.name == layout_name then
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layout = l
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end
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end
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assert(layout, "layout '"..layout_name.."' does not exist")
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if layout_manager.current_layout then
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local current_layout = layout_manager.current_layout
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mez.hook.del(layout_manager.current_layout.callback_id)
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for _, maps in ipairs({
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current_layout.layout_maps,
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current_layout.focus_maps,
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current_layout.cursor_maps,
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}) do
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mapper.del(maps)
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end
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end
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layout_manager.current_layout = layout
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layout.callback_id = mez.hook.add(layout.events, {
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callback = function ()
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for _, output in ipairs(mez.output.get_all_ids()) do
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layout.callback(output)
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end
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end,
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})
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for _, maps in ipairs({
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layout.layout_maps,
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layout.focus_maps,
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layout.cursor_maps,
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}) do
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mapper.add(maps)
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end
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layout.callback()
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end
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return layout_manager
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