From 37e387f0e1414e1914bdb2bc89a64666b132b5cc Mon Sep 17 00:00:00 2001
From: Martin Bauer <martin@bauer.tech>
Date: Sat, 3 Jan 2026 22:07:59 +0100
Subject: [PATCH] kinderhandy: screen off & better timer pause visualization

---
 kinderhandy.yaml | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

diff --git a/kinderhandy.yaml b/kinderhandy.yaml
index b107f36..078a61f 100644
--- a/kinderhandy.yaml
+++ b/kinderhandy.yaml
@@ -1,3 +1,9 @@
+# TODO: 
+# - auto turn off
+# - navigation bar at bottom       
+# - buttons for home assistant actions
+
+
 substitutions:
   device_name: kinderhandy
   friendly_name: Kinder Handy
@@ -28,7 +34,7 @@ light:
   - platform: monochromatic
     output: backlight_pwm
     name: Display Backlight
-    id: backlight
+    id: display_backlight
     restore_mode: ALWAYS_ON
 
 
@@ -73,6 +79,14 @@ touchscreen:
   transform:
     swap_xy: false      
     mirror_x: true
+  on_release:
+    - if:
+        condition: lvgl.is_paused
+        then:
+          - logger.log: "LVGL resuming"
+          - lvgl.resume:
+          - lvgl.widget.redraw:
+          - light.turn_on: display_backlight    
 #  on_touch:
 #    - lambda: |-
 #          ESP_LOGI("cal", "x=%d, y=%d, x_raw=%d, y_raw=%0d",
@@ -94,11 +108,34 @@ globals:
     type: bool
     initial_value: 'false'
 
+# ============================================================ 
+# Variables
+# ============================================================ 
+
+number:
+  - platform: template
+    name: LVGL Screen timeout
+    optimistic: true
+    id: display_timeout
+    unit_of_measurement: "s"
+    initial_value: 45
+    restore_value: true
+    min_value: 10
+    max_value: 180
+    step: 5
+    mode: box
+
 # ============================================================ 
 # Display
 # ============================================================ 
 
 lvgl:
+  on_idle:
+    timeout: !lambda "return (id(display_timeout).state * 1000);"
+    then:
+      - logger.log: "LVGL is idle"
+      - light.turn_off: display_backlight
+      - lvgl.pause:
   buffer_size: 50%
   widgets:
     - label:
@@ -123,12 +160,21 @@ lvgl:
                       value: 'false'
                   - logger.log:
                       format: "Pause"
+                  - lvgl.arc.update:
+                      id: arc_timer
+                      indicator:
+                        arc_color: 0x0000EE
                 else:
                   - globals.set:
                       id: timer_running
                       value: 'true'
                   - logger.log:
                       format: "Gestartet"
+                  - lvgl.arc.update:
+                      id: arc_timer
+                      value: !lambda return id(timer_seconds);
+                      indicator:
+                        arc_color: 0xFF0000
         on_long_press:
           then:
             - globals.set: