graphics element enable/disable, click indication on hazard buttons

graphics/element.lua

@@ -60,6 +60,7 @@ function element.new(args)
 
     ---@class graphics_template
     local protected = {
+        enabled = true,
         value = nil,    ---@type any
         window = nil,   ---@type table
         fg_bg = core.graphics.cpair(colors.white, colors.black),
@@ -157,6 +158,7 @@ function element.new(args)
     end
 
     -- handle data value changes
+    ---@vararg any value(s)
     function protected.on_update(...)
     end
 
@@ -168,7 +170,14 @@ function element.new(args)
     -- set value
     ---@param value any value to set
     function protected.set_value(value)
-        return nil
+    end
+
+    -- enable the control
+    function protected.enable()
+    end
+
+    -- disable the control
+    function protected.disable()
     end
 
     -- custom recolor command, varies by element if implemented
@@ -301,6 +310,18 @@ function element.new(args)
         protected.set_value(value)
     end
 
+    -- enable the element
+    function public.enable()
+        protected.enabled = true
+        protected.enable()
+    end
+
+    -- disable the element
+    function public.disable()
+        protected.enabled = false
+        protected.disable()
+    end
+
     -- resize attributes of the element value if supported
     ---@vararg number dimensions (element specific)
     function public.resize(...)

graphics/elements/controls/hazard_button.lua

@@ -35,7 +35,8 @@ local function hazard_button(args)
     e.window.write(args.text)
 
     -- draw border
-
+    ---@param accent color accent color
+    local function draw_border(accent)
         -- top
         e.window.setTextColor(args.accent)
         e.window.setBackgroundColor(args.fg_bg.bkg)
@@ -59,13 +60,28 @@ local function hazard_button(args)
         e.window.setBackgroundColor(args.fg_bg.bkg)
         e.window.setCursorPos(1, 3)
         e.window.write("\x99\x98\x98\x98\x98\x98\x98\x98\x99")
+    end
 
     -- handle touch
     ---@param event monitor_touch monitor touch event
 ---@diagnostic disable-next-line: unused-local
     function e.handle_touch(event)
+        if e.enabled then
             -- call the touch callback
             args.callback()
+
+            -- change text color to indicate clicked
+            e.window.setTextColor(args.accent)
+            e.window.setCursorPos(3, 2)
+            e.window.write(args.text)
+
+            -- restore text color after 1 second
+            tcd.dispatch(1, function ()
+                e.window.setTextColor(args.fg_bg.fgd)
+                e.window.setCursorPos(3, 2)
+                e.window.write(args.text)
+            end)
+        end
     end
 
     -- set the value

graphics/elements/controls/multi_button.lua

@@ -91,7 +91,7 @@ local function multi_button(args)
     ---@param event monitor_touch monitor touch event
     function e.handle_touch(event)
         -- determine what was pressed
-        if event.y == 2 then
+        if e.enabled and event.y == 2 then
             for i = 1, #args.options do
                 local opt = args.options[i] ---@type button_option
 

graphics/elements/controls/push_button.lua

@@ -51,6 +51,7 @@ local function push_button(args)
     ---@param event monitor_touch monitor touch event
 ---@diagnostic disable-next-line: unused-local
     function e.handle_touch(event)
+        if e.enabled then
             if args.active_fg_bg ~= nil then
                 -- show as pressed
                 e.value = true
@@ -70,6 +71,7 @@ local function push_button(args)
             -- call the touch callback
             args.callback()
         end
+    end
 
     -- set the value
     ---@param val boolean new value

graphics/elements/controls/spinbox_numeric.lua

@@ -108,7 +108,7 @@ local function spinbox(args)
     ---@param event monitor_touch monitor touch event
     function e.handle_touch(event)
         -- only handle if on an increment or decrement arrow
-        if event.x ~= dec_point_x then
+        if e.enabled and event.x ~= dec_point_x then
             local idx = util.trinary(event.x > dec_point_x, event.x - 1, event.x)
             if event.y == 1 then
                 -- increment

graphics/elements/controls/switch_button.lua

@@ -63,6 +63,7 @@ local function switch_button(args)
     ---@param event monitor_touch monitor touch event
 ---@diagnostic disable-next-line: unused-local
     function e.handle_touch(event)
+        if e.enabled then
             -- toggle state
             e.value = not e.value
             draw_state()
@@ -70,6 +71,7 @@ local function switch_button(args)
             -- call the touch callback with state
             args.callback(e.value)
         end
+    end
 
     -- set the value
     ---@param val boolean new value