ADD framework for setting plot height/width

config/fallback.yml

@@ -33,6 +33,8 @@ theme:
     plot:
       seconds: 90
       ticks: [9, 4]
+      height: 56
+      spacing: 20
     table:
       name_chars: 8
       padding: [6, 15]

config/schema.yml

@@ -224,9 +224,17 @@ properties:
         additionalProperties: false
         properties:
           plot:
-            required: [seconds, ticks]
+            required: [seconds, ticks, height, spacing]
             additionalProperties: false
             properties:
+              spacing:
+                description: the spacing between the label and the plot
+                type: integer
+                minimum: 10
+              height:
+                description: the height of the plot
+                type: integer
+                minimum: 10
               seconds:
                 description: the number of seconds on each timeseries plot
                 type: integer

src/modules/common.lua

@@ -51,6 +51,18 @@ return function(config)
    local DIAL_THETA0 = 90
    local DIAL_THETA1 = 360
 
+   -----------------------------------------------------------------------------
+   -- config helper functions
+
+   -- ASSUME anything set in the yaml file as 'null' will come out as a '{}'
+   local _maybe_config = function(default, x)
+      if x == {} then
+         return default
+      else
+         return x
+      end
+   end
+
    -----------------------------------------------------------------------------
    -- line helper functions
 
@@ -128,6 +140,8 @@ return function(config)
       )
    end
 
+   local gplot = geometry.plot
+
    local _make_tagged_percent_timeseries = function(x, y, w, h, spacing, label, update_freq, _format)
       return {
          label = _left_text(geom.make_point(x, y), label),
@@ -140,9 +154,9 @@ return function(config)
          ),
          plot = M.make_percent_timeseries(
             x,
-            y + spacing,
+            y + _maybe_config(gplot.spacing, spacing),
             w,
-            h,
+            _maybe_config(gplot.height, h),
             update_freq
          ),
       }