Initial commit of Hammerspoon config

Spoons/Seal.spoon/seal_calc.lua

@@ -0,0 +1,47 @@
+local obj = {}
+obj.__index = obj
+obj.__name = "seal_calc"
+obj.icon = hs.image.imageFromAppBundle("com.apple.Calculator")
+
+function obj:commands()
+    return {}
+end
+
+function obj:bare()
+    return self.bareCalc
+end
+
+function obj.bareCalc(query)
+    local choices = {}
+    if query == nil or query == "" then
+        return choices
+    end
+
+    -- Filter out commas and dollar signs
+    query, _ = query:gsub("[%,%$]", "")
+
+    -- We need to determine if the query only contains mathematical calculations
+    -- To do this we'll see if it matches the inverse of that set of characters
+    if string.match(query, "[^%d^%.^%+^%-^/^%*^%^^ ^%(^%)]") == nil then
+        local choice = {}
+        local compile_result, fn = load("return " .. query)
+        if type(compile_result) == "function" then
+            local result = compile_result()
+            choice["text"] = result
+            choice["subText"] = "Copy result to clipboard"
+            choice["image"] = obj.icon
+            choice["plugin"] = obj.__name
+            choice["type"] = "copyToClipboard"
+            table.insert(choices, choice)
+        end
+    end
+    return choices
+end
+
+function obj.completionCallback(rowInfo)
+    if rowInfo["type"] == "copyToClipboard" then
+        hs.pasteboard.setContents(rowInfo["text"])
+    end
+end
+
+return obj