#149 validate display sizes on startup

coordinator/ui/components/processctl.lua

@@ -35,6 +35,8 @@ local period = core.flasher.PERIOD
 ---@param x integer top left x
 ---@param y integer top left y
 local function new_view(root, x, y)
+    assert(root.height() >= (y + 24), "main display not of sufficient vertical resolution (add an additional row of monitors)")
+
     local facility = iocontrol.get_db().facility
     local units = iocontrol.get_db().units
 

coordinator/ui/components/unit_overview.lua

@@ -39,6 +39,8 @@ local function make(parent, x, y, unit)
         height = 25
     end
 
+    assert(parent.height() >= (y + height), "main display not of sufficient vertical resolution (add an additional row of monitors)")
+
     -- bounding box div
     local root = Div{parent=parent,x=x,y=y,width=80,height=height}