[desk-display] Add notification service with simple text scroller

desk-display.yaml

@@ -8,6 +8,47 @@ packages:
   common: !include modules/common-32-idf.yaml
   wifi: !include modules/common/wifi.yaml
 
+api:
+  services:
+    - service: notify
+      variables:
+        message: string
+        type: int
+      then:
+        - text.set:
+            id: notification_text
+            value: !lambda return message;
+        - display.page.show: notification
+        - delay: 1s
+        - lambda: |-
+            int x_offset, baseline, width, height;
+            id(font_8bithud)->measure(id(notification_text).state.c_str(), &width, &x_offset, &baseline, &height);
+            id(text_width) = width;
+        - repeat:
+            count: !lambda "return id(text_width) - 16;"
+            then:
+              - globals.set:
+                  id: scroller_position
+                  value: !lambda "return id(scroller_position) - 1;"
+              - delay: 100ms
+        - display.page.show: clock_page
+        - text.set:
+            id: notification_text
+            value: ""
+        - globals.set:
+            id: scroller_position
+            value: "0"
+
+globals:
+  - id: scroller_position
+    type: int32_t
+    restore_value: false
+    initial_value: "0"
+  - id: text_width
+    type: uint32_t
+    restore_value: false
+    initial_value: "0"
+
 light:
   - platform: esp32_rmt_led_strip
     chipset: WS2812
@@ -80,9 +121,13 @@ display:
                       id(sntp_time).now());
         # yamllint enable rule:line-length
 
-        # - id: notification
-        #   lambda: |-
-        #     return
+      - id: notification
+        lambda: |-
+          auto light_color = id(matrix).current_values;
+          Color color(light_color.get_red() * 255, light_color.get_green() * 255,
+                      light_color.get_blue() * 255);
+
+          it.print(id(scroller_position), 0, id(font_8bithud), color, id(notification_text).state.c_str());
 
 font:
   - id: font_8bithud
@@ -102,3 +147,9 @@ switch:
       - lambda: id(display_entity).set_enabled(true);
     turn_off_action:
       - lambda: id(display_entity).set_enabled(false);
+
+text:
+  - platform: template
+    id: notification_text
+    optimistic: true
+    mode: text