cc-mek-scada/coordinator/renderer.lua
2022-06-11 17:58:29 -04:00

92 lines
2.2 KiB
Lua

local log = require("scada-common.log")
local util = require("scada-common.util")
local core = require("graphics.core")
local displaybox = require("graphics.elements.displaybox")
local textbox = require("graphics.elements.textbox")
local renderer = {}
local gconf = {
-- root boxes
root = {
fgd = colors.black,
bkg = colors.lightGray
}
}
-- render engine
local engine = {
monitors = nil,
dmesg_window = nil
}
-- UI elements
local ui = {
main_box = nil,
unit_boxes = {}
}
-- reset a display to the "default", but set text scale to 0.5
local function _reset_display(monitor)
monitor.setTextScale(0.5)
monitor.setTextColor(colors.white)
monitor.setBackgroundColor(colors.black)
monitor.clear()
monitor.setCursorPos(1, 1)
end
-- link to the monitor peripherals
---@param monitors monitors_struct
function renderer.set_displays(monitors)
engine.monitors = monitors
end
-- reset all displays in use by the renderer
function renderer.reset()
-- reset primary monitor
_reset_display(engine.monitors.primary)
-- reset unit displays
for _, monitor in pairs(engine.monitors.unit_displays) do
_reset_display(monitor)
end
end
-- initialize the dmesg output window
function renderer.init_dmesg()
local disp_x, disp_y = engine.monitors.primary.getSize()
engine.dmesg_window = window.create(engine.monitors.primary, 1, 1, disp_x, disp_y)
log.direct_dmesg(engine.dmesg_window)
end
-- start the coordinator GUI
function renderer.start_ui()
local palette = core.graphics.cpair(gconf.root.fgd, gconf.root.bkg)
ui.main_box = displaybox{window=engine.monitors.primary,fg_bg=palette}
textbox{parent=ui.main_box,text="Nuclear Generation Facility SCADA Coordinator",alignment=core.graphics.TEXT_ALIGN.CENTER,height=1,fg_bg=core.graphics.cpair(colors.white,colors.gray)}
for _, monitor in pairs(engine.monitors.unit_displays) do
table.insert(ui.unit_boxes, displaybox{window=monitor,fg_bg=palette})
end
end
-- close out the UI
function renderer.close_ui()
-- clear root UI elements
ui.main_box = nil
ui.unit_boxes = {}
-- reset displays
renderer.reset()
-- re-draw dmesg
engine.dmesg_window.redraw()
end
return renderer