From 3aa2be909c4e74d1f7fd1baa6dfad76f9792b92c Mon Sep 17 00:00:00 2001
From: Jannes Magnusson <jannes.magnusson@hhi.fraunhofer.de>
Date: Fri, 17 Oct 2025 20:41:13 +0200
Subject: [PATCH] add pulse to timer

---
 frontend/views/timer.py | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/frontend/views/timer.py b/frontend/views/timer.py
index 8c5579a..d333fca 100644
--- a/frontend/views/timer.py
+++ b/frontend/views/timer.py
@@ -7,13 +7,15 @@ import math
 from .base import View
 
 class TimerView(View):
-    def __init__(self, parent, size, center, width=5, **kwargs):
+    def __init__(self, parent, size, center, width=3, **kwargs):
         self.start_time = None
         self.elapsed_time = 0
         self.is_running = False
         self.goal_minutes = 0  # 0 means no goal set
-        self.radius = min(center)-width
+        self.radius = min(center) - 7
         self.width = width
+        self.goal_achived = 0
+        self.goal_pulse_freq = 0.1
         super().__init__(parent, size, center, **kwargs)
 
     def init_ui(self, parent):
@@ -83,15 +85,22 @@ class TimerView(View):
 
             if progress > 0:
                 inverted = int(progress) % 2 == 1
-                progress = progress % 1.0  # Loop every full circle
 
-                start = self.center[0] - self.radius, self.center[1] - self.radius
-                end = self.center[0] + self.radius, self.center[1] + self.radius
-
-                if inverted:
-                    draw.arc((start, end), 360 * progress - 90, 270, fill='black', width=self.width)
+                # pulse width if goal achieved
+                if int(progress) > 0 and self.is_running:
+                    self.goal_achived = (self.goal_achived + self.goal_pulse_freq) % 3
                 else:
-                    draw.arc((start, end), 270, 360 * progress - 90, fill='black', width=self.width)
+                    self.goal_achived = 0
+                pulse = int(self.goal_achived)
+
+                start = self.center[0] - self.radius - pulse, self.center[1] - self.radius - pulse
+                end = self.center[0] + self.radius + pulse, self.center[1] + self.radius + pulse
+
+                progress = progress % 1.0  # Loop every full circle
+                if inverted:
+                    draw.arc((start, end), 360 * progress - 90, 270, fill='black', width=self.width + pulse)
+                else:
+                    draw.arc((start, end), 270, 360 * progress - 90, fill='black', width=self.width + pulse)
     
         except (ValueError, tk.TclError):
             # Invalid goal value, just show time without progress