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https://github.com/MikaylaFischler/cc-mek-scada.git
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101 lines
3.1 KiB
Lua
101 lines
3.1 KiB
Lua
-- Hazard-bordered Button Graphics Element
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local tcd = require("scada-common.tcallbackdsp")
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local core = require("graphics.core")
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local element = require("graphics.element")
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---@class hazard_button_args
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---@field text string text to show on button
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---@field accent color accent color for hazard border
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---@field callback function function to call on touch
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---@field parent graphics_element
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---@field id? string element id
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---@field x? integer 1 if omitted
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---@field y? integer 1 if omitted
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---@field fg_bg? cpair foreground/background colors
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-- new hazard button
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---@param args hazard_button_args
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---@return graphics_element element, element_id id
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local function hazard_button(args)
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assert(type(args.text) == "string", "graphics.elements.controls.hazard_button: text is a required field")
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assert(type(args.accent) == "number", "graphics.elements.controls.hazard_button: accent is a required field")
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assert(type(args.callback) == "function", "graphics.elements.controls.hazard_button: callback is a required field")
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-- static dimensions
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args.height = 3
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args.width = string.len(args.text) + 4
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-- create new graphics element base object
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local e = element.new(args)
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-- write the button text
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e.window.setCursorPos(3, 2)
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e.window.write(args.text)
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-- draw border
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---@param accent color accent color
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local function draw_border(accent)
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-- top
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e.window.setTextColor(accent)
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e.window.setBackgroundColor(args.fg_bg.bkg)
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e.window.setCursorPos(1, 1)
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e.window.write("\x99\x89\x89\x89\x89\x89\x89\x89\x99")
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-- center left
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e.window.setCursorPos(1, 2)
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e.window.setTextColor(args.fg_bg.bkg)
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e.window.setBackgroundColor(accent)
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e.window.write("\x99")
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-- center right
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e.window.setTextColor(args.fg_bg.bkg)
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e.window.setBackgroundColor(accent)
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e.window.setCursorPos(9, 2)
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e.window.write("\x99")
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-- bottom
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e.window.setTextColor(accent)
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e.window.setBackgroundColor(args.fg_bg.bkg)
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e.window.setCursorPos(1, 3)
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e.window.write("\x99\x98\x98\x98\x98\x98\x98\x98\x99")
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end
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-- handle touch
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---@param event monitor_touch monitor touch event
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---@diagnostic disable-next-line: unused-local
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function e.handle_touch(event)
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if e.enabled then
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-- call the touch callback
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args.callback()
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-- change text color to indicate clicked
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e.window.setTextColor(args.accent)
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e.window.setCursorPos(3, 2)
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e.window.write(args.text)
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-- restore text color after 1 second
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tcd.dispatch(1, function ()
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e.window.setTextColor(args.fg_bg.fgd)
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e.window.setCursorPos(3, 2)
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e.window.write(args.text)
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end)
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end
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end
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-- set the value
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---@param val boolean new value
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function e.set_value(val)
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if val then e.handle_touch(core.events.touch("", 1, 1)) end
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end
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-- initial draw of border
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---@todo disabling will change border
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draw_border(args.accent)
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return e.get()
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end
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return hazard_button
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