systray, dock, icon_handler some major revision

awesome/theme/crylia/widgets/systray.lua

@@ -16,14 +16,14 @@ return function (s)
     local systray = wibox.widget{
         {
             {
-                wibox.widget.systray,
+                wibox.widget.systray(),
                 top = dpi(6),
                 bottom = dpi(6),
                 left = dpi(6),
                 right = dpi(6),
-                widget = wibox.container.margin
+                widget = wibox.container.margin,
+                id = 'st'
             },
-            width = dpi(100),
             strategy = "exact",
             layout = wibox.container.constraint,
             id = "container"
@@ -36,6 +36,6 @@ return function (s)
     }
     -- Signals
     hover_signal(systray.container, color.color["Red200"])
-
+    systray.container.st.widget:set_base_size(dpi(20))
     return systray
-end
+end