make slider slightly less ugly

luigi/painter.lua

@@ -138,10 +138,8 @@ function Painter:paintIconAndText ()
     if w < 1 or h < 1 then return end
 
     -- calculate position for icon and text based on alignment and padding
-    local iconX, iconY, x1, y1, x2, y2 = self:positionIcon(
-        x, y, x + w, y + h)
-    local font, textX, textY = self:positionText(
-        x1, y1, x2, y2)
+    local iconX, iconY, x1, y1, x2, y2 = self:positionIcon(x, y, x + w, y + h)
+    local font, textX, textY = self:positionText(x1, y1, x2, y2)
 
     local icon = widget.icon and self:loadImage(widget.icon)
     local text = widget.text
@@ -208,15 +206,13 @@ end
 
 function Painter:paint ()
     local widget = self.widget
+    local x, y, w, h = widget:getRectangle()
+
+    -- if the drawable area has no width or height, don't paint
+    if w < 1 or h < 1 then return end
+    
     Event.PreDisplay:emit(widget, { target = widget }, function()
 
-        local x, y, w, h = widget:getRectangle()
-
-        -- if the drawable area has no width or height, don't paint
-        if w < 1 or h < 1 then
-            return
-        end
-
         Backend.push()
 
         if widget.parent then

luigi/theme/light.lua

@@ -90,6 +90,14 @@ return function (config)
         return self.parent and self.parent.flow == 'x' and 4
     end
 
+    local function getSliderThumbWidth (self)
+        return self.parent.flow == 'x' and 32 or false
+    end
+    
+    local function getSliderThumbHeight (self)
+        return self.parent.flow ~= 'x' and 32 or false
+    end
+    
     local function getStepperBeforeIcon (self)
         return self.parent.flow == 'x' and triangle_left or triangle_up
     end
@@ -188,6 +196,8 @@ return function (config)
             type = { 'button' },
             align = 'middle center',
             margin = 0,
+            width = getSliderThumbWidth,
+            height = getSliderThumbHeight,
         },
         status = {
             type = { 'Line', 'Control' },

luigi/widget/slider.lua

@@ -73,8 +73,6 @@ return function (self)
     self:onReshape(function (event)
         local x1, y1, w, h = self:getRectangle(true, true)
         local x2, y2 = x1 + w, y1 + h
-        local dim = math.min(w, h)
-        thumb.width, thumb.height = dim, dim
         if self.flow == 'x' then
             local halfThumb = thumb:getWidth() / 2
             x1, x2 = x1 + halfThumb, x2 - halfThumb