From 6149a9e9942206c864c664cf58f9edc992186543 Mon Sep 17 00:00:00 2001
From: Commander1024 <commander@commander1024.de>
Date: Sat, 11 Jul 2026 22:23:45 +0200
Subject: [PATCH] Add calendar styling and WiFi indicator

---
 esphome/epaperframe.yaml | 55 ++++++++++++++++++++++++++++++++--------
 1 file changed, 45 insertions(+), 10 deletions(-)

diff --git a/esphome/epaperframe.yaml b/esphome/epaperframe.yaml
index da9ec46..c35a688 100644
--- a/esphome/epaperframe.yaml
+++ b/esphome/epaperframe.yaml
@@ -15,7 +15,7 @@ esphome:
     priority: -10
     then:
       - delay: 10s
-      - display.page.show: environment # temporary for power page dev
+      - display.page.show: calendar # temporary for power page dev
       - component.update: epaper
 
 esp32:
@@ -46,6 +46,9 @@ api:
   encryption:
     key: !secret apikey
 
+# Include ArduinoJson support for the compact calendar event feed.
+json:
+
 ota:
   platform: esphome
   password: !secret ota
@@ -248,6 +251,12 @@ font:
     id: roboto_med_30
     size: 30
 
+  # Small, digits-only font used to emphasize the current date in the month grid.
+  - file: "fonts/Roboto-Bold.ttf"
+    id: calendar_day_bold
+    size: 15
+    glyphs: ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]
+
   - file: "fonts/Roboto-Regular.ttf"
     id: footer_font
     size: 15
@@ -1136,7 +1145,7 @@ display:
 
           /* LEFT PANE: agenda */
           it.image(10, 10, id(c1024_logo));
-          it.print(100, 27, id(roboto_med_30), TextAlign::BASELINE_LEFT, "TERMINE");
+          it.print(226, 38, id(roboto_med_30), TextAlign::BASELINE_CENTER, "TERMINE");
           it.line(10, 55, 355, 55);
           it.line(365, 10, 365, 352);
 
@@ -1201,7 +1210,6 @@ display:
           char month_title[24];
           snprintf(month_title, sizeof(month_title), "%s %d", months[month - 1], year);
           it.printf(502, 18, id(sensor_unit), TextAlign::TOP_CENTER, "%s", month_title);
-          it.line(375, 28, 630, 28);
           it.print(384, 47, id(footer_font), TextAlign::TOP_CENTER, "KW");
           for (int column = 0; column < 7; column++) {
             it.printf(415 + column * 30, 47, id(footer_font), TextAlign::TOP_CENTER, "%s", weekdays[column]);
@@ -1237,8 +1245,8 @@ display:
               if (day < 1 || day > month_days) continue;
               const int cell_x = 415 + column * 30;
               if (day == today) {
-                it.filled_rectangle(cell_x - 12, cell_y - 2, 25, 18, Color::BLACK);
-                it.printf(cell_x, cell_y, id(footer_font), Color::WHITE, TextAlign::TOP_CENTER, "%d", day);
+                it.filled_rectangle(cell_x - 12, cell_y - 2, 25, 18, COLOR_ON);
+                it.printf(cell_x, cell_y, id(calendar_day_bold), COLOR_OFF, TextAlign::TOP_CENTER, "%d", day);
               } else {
                 it.printf(cell_x, cell_y, id(footer_font), TextAlign::TOP_CENTER, "%d", day);
               }
@@ -1246,12 +1254,39 @@ display:
           }
 
           /* RIGHT BOTTOM: quote placeholder, intentionally inverted */
-          it.filled_rectangle(375, 220, 255, 130, Color::BLACK);
-          it.print(502, 234, id(footer_font), Color::WHITE, TextAlign::TOP_CENTER, "DEMOTIVATION");
-          it.print(502, 267, id(sensor_unit), Color::WHITE, TextAlign::TOP_CENTER, "Es ist nie zu spät,");
-          it.print(502, 291, id(sensor_unit), Color::WHITE, TextAlign::TOP_CENTER, "die Erwartungen zu senken.");
-          it.print(502, 326, id(footer_font), Color::WHITE, TextAlign::TOP_CENTER, "Zitatquelle folgt");
+          it.filled_rectangle(375, 220, 255, 130, COLOR_ON);
+          it.print(502, 246, id(sensor_unit), COLOR_OFF, TextAlign::TOP_CENTER, "Es ist nie zu spät,");
+          it.print(502, 271, id(sensor_unit), COLOR_OFF, TextAlign::TOP_CENTER, "die Erwartungen zu");
+          it.print(502, 296, id(sensor_unit), COLOR_OFF, TextAlign::TOP_CENTER, "senken.");
+          it.print(502, 326, id(footer_font), COLOR_OFF, TextAlign::TOP_CENTER, "Zitatquelle folgt");
 
           /* FOOTER */
           it.strftime(614, 380, id(footer_font), TextAlign::BASELINE_RIGHT,
                       "Aktualisiert um %d.%m.%Y %H:%M", now);
+
+          /* WiFi Signal Strenght */
+          if(id(wifisignal).has_state()) {
+            int x = 630;
+            int y = 384;
+            if (id(wifisignal).state >= -50) {
+                // Excellent
+                it.print(x, y, id(mdi_wifi), TextAlign::BASELINE_CENTER, "󰤨");
+                ESP_LOGI("WiFi", "Excellent");
+            } else if (id(wifisignal).state  >= -60) {
+                // Good
+                it.print(x, y, id(mdi_wifi), TextAlign::BASELINE_CENTER, "󰤥");
+                ESP_LOGI("WiFi", "Good");
+            } else if (id(wifisignal).state  >= -75) {
+                // Fair
+                it.print(x, y, id(mdi_wifi), TextAlign::BASELINE_CENTER, "󰤢");
+                ESP_LOGI("WiFi", "Fair");
+            } else if (id(wifisignal).state  >= -100) {
+                // Weak
+                it.print(x, y, id(mdi_wifi), TextAlign::BASELINE_CENTER, "󰤟");
+                ESP_LOGI("WiFi", "Weak");
+            } else {
+                // Unlikely working signal
+                it.print(x, y, id(mdi_wifi), TextAlign::BASELINE_CENTER, "󰤫");
+                ESP_LOGI("WiFi", "Unlikely");
+            }
+          }