example slider mimic script for x-touch mini

examples/x-touch.lua

@@ -0,0 +1,40 @@
+local dt = require "darktable"
+local du = require "lib/dtutils"
+
+du.check_min_api_version("9.1.0", "x-touch") 
+
+function knob(action, element, effect, size)
+  k = tonumber(action:sub(-1))
+
+  if dt.gui.action("iop/blend/tools/show and edit mask elements") ~= 0 then
+    local s = { "opacity", "size", "feather", "hardness","rotation","curvature","compression" }
+    which = "lib/masks/properties/" .. s[k]
+
+  elseif dt.gui.action("iop/colorzones", "focus") ~= 0 then
+    local e = { "red", "orange", "yellow", "green", "aqua", "blue", "purple", "magenta" }
+    element = e[k]
+    which = "iop/colorzones/graph"
+
+  elseif dt.gui.action("iop/toneequal", "focus") ~= 0 then
+    which ="iop/toneequal/simple/"..(k-9).." EV"
+
+  elseif k == 4 and dt.gui.action("iop/colorbalancergb", "focus") ~= 0 then
+    which = "iop/colorbalancergb/contrast"
+
+  else
+    local s = { "iop/exposure/exposure",
+                "iop/filmicrgb/white relative exposure",
+                "iop/filmicrgb/black relative exposure",
+                "iop/filmicrgb/contrast",
+                "iop/crop/left",
+                "iop/crop/right",
+                "iop/crop/top",
+                "iop/crop/bottom" }
+    which = s[k]
+  end
+  return dt.gui.action(which, element, effect, size)
+end
+
+for k = 1,8 do
+  dt.gui.mimic("slider", "knob ".. k, knob)
+end