mirror of
https://github.com/MikaylaFischler/cc-mek-scada.git
synced 2024-08-30 18:22:34 +00:00
122 lines
3.4 KiB
Lua
122 lines
3.4 KiB
Lua
-- Checkbox Graphics Element
|
|
|
|
local core = require("graphics.core")
|
|
local element = require("graphics.element")
|
|
|
|
---@class checkbox_args
|
|
---@field label string checkbox text
|
|
---@field box_fg_bg cpair colors for checkbox
|
|
---@field default? boolean default value
|
|
---@field callback? function function to call on press
|
|
---@field parent graphics_element
|
|
---@field id? string element id
|
|
---@field x? integer 1 if omitted
|
|
---@field y? integer auto incremented if omitted
|
|
---@field fg_bg? cpair foreground/background colors
|
|
---@field hidden? boolean true to hide on initial draw
|
|
|
|
-- new checkbox control
|
|
---@param args checkbox_args
|
|
---@return graphics_element element, element_id id
|
|
local function checkbox(args)
|
|
element.assert(type(args.label) == "string", "label is a required field")
|
|
element.assert(type(args.box_fg_bg) == "table", "box_fg_bg is a required field")
|
|
|
|
args.can_focus = true
|
|
args.height = 1
|
|
args.width = 2 + string.len(args.label)
|
|
|
|
-- create new graphics element base object
|
|
local e = element.new(args)
|
|
|
|
e.value = args.default == true
|
|
|
|
-- show the button state
|
|
local function draw()
|
|
e.w_set_cur(1, 1)
|
|
|
|
if e.value then
|
|
-- show as selected
|
|
e.w_set_fgd(args.box_fg_bg.bkg)
|
|
e.w_set_bkg(args.box_fg_bg.fgd)
|
|
e.w_write("\x88")
|
|
e.w_set_fgd(args.box_fg_bg.fgd)
|
|
e.w_set_bkg(e.fg_bg.bkg)
|
|
e.w_write("\x95")
|
|
else
|
|
-- show as unselected
|
|
e.w_set_fgd(e.fg_bg.bkg)
|
|
e.w_set_bkg(args.box_fg_bg.bkg)
|
|
e.w_write("\x88")
|
|
e.w_set_fgd(args.box_fg_bg.bkg)
|
|
e.w_set_bkg(e.fg_bg.bkg)
|
|
e.w_write("\x95")
|
|
end
|
|
end
|
|
|
|
-- write label text
|
|
local function draw_label()
|
|
if e.enabled and e.is_focused() then
|
|
e.w_set_cur(3, 1)
|
|
e.w_set_fgd(e.fg_bg.bkg)
|
|
e.w_set_bkg(e.fg_bg.fgd)
|
|
e.w_write(args.label)
|
|
else
|
|
e.w_set_cur(3, 1)
|
|
e.w_set_fgd(e.fg_bg.fgd)
|
|
e.w_set_bkg(e.fg_bg.bkg)
|
|
e.w_write(args.label)
|
|
end
|
|
end
|
|
|
|
-- handle mouse interaction
|
|
---@param event mouse_interaction mouse event
|
|
function e.handle_mouse(event)
|
|
if e.enabled and core.events.was_clicked(event.type) and e.in_frame_bounds(event.current.x, event.current.y) then
|
|
e.value = not e.value
|
|
draw()
|
|
if type(args.callback) == "function" then args.callback(e.value) end
|
|
end
|
|
end
|
|
|
|
-- handle keyboard interaction
|
|
---@param event key_interaction key event
|
|
function e.handle_key(event)
|
|
if event.type == core.events.KEY_CLICK.DOWN then
|
|
if event.key == keys.space or event.key == keys.enter or event.key == keys.numPadEnter then
|
|
e.value = not e.value
|
|
draw()
|
|
if type(args.callback) == "function" then args.callback(e.value) end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- set the value
|
|
---@param val integer new value
|
|
function e.set_value(val)
|
|
e.value = val
|
|
draw()
|
|
end
|
|
|
|
-- handle focus
|
|
e.on_focused = draw_label
|
|
e.on_unfocused = draw_label
|
|
|
|
-- handle enable
|
|
e.on_enabled = draw_label
|
|
e.on_disabled = draw_label
|
|
|
|
-- element redraw
|
|
function e.redraw()
|
|
draw()
|
|
draw_label()
|
|
end
|
|
|
|
-- initial draw
|
|
e.redraw()
|
|
|
|
return e.complete()
|
|
end
|
|
|
|
return checkbox
|