hotkeys use modifiers

luigi/widget/stepper.lua

@@ -1,22 +1,17 @@
 return function (self)
-
+    self.items = {}
     self.index = 1
     self.flow = 'x' -- TODO: support vertical stepper
 
-    local decrement = self:addChild {
-        type = 'stepper.left',
-    }
+    for index, child in ipairs(self) do
+        child.type = child.type or 'stepper.item'
+        self.items[index] = child
+        self[index] = nil
+    end
 
-    local view = self:addChild {
-        type = 'text',
-        align = 'middle center',
-        margin = 0,
-        canFocus = false,
-    }
-
-    local increment = self:addChild {
-        type = 'stepper.right',
-    }
+    local decrement = self:addChild { type = 'stepper.left' }
+    local view = self:addChild()
+    local increment = self:addChild { type = 'stepper.right' }
 
     self:onReshape(function (event)
         decrement.width = decrement:getHeight()
@@ -24,30 +19,30 @@ return function (self)
     end)
 
     local function updateValue ()
-        if not self.options then return end
-        local option = self.options[self.index]
-        self:setValue(option.value)
-        view.text = option.text
+        local item = self.items[self.index]
+        self.value = item.value
+        view[1] = nil
+        view:addChild(item)
+        item:reshape()
     end
 
     decrement:onPress(function (event)
-        if not self.options then return end
+        if not self.items then return end
         self.index = self.index - 1
         if self.index < 1 then
-            self.index = #self.options
+            self.index = #self.items
         end
         updateValue()
     end)
 
     increment:onPress(function (event)
-        if not self.options then return end
+        if not self.items then return end
         self.index = self.index + 1
-        if self.index > #self.options then
+        if self.index > #self.items then
             self.index = 1
         end
         updateValue()
     end)
 
     updateValue()
-
 end