add edit step + do recipe in main view, added carousel for recipe selection

frontend/views/circle.py

@@ -6,6 +6,18 @@ from .base import View
 
 class CircleView(View):
 
+    @property
+    def target(self):
+        try:
+            return float(self._target.get())
+        except ValueError:
+            return 0.0
+    
+    @target.setter
+    def target(self, value):
+        self._target.delete(0, tk.END)
+        self._target.insert(0, str(value))
+
     def __init__(self, parent, size, center, radius_offset=11, **kwargs):
         self.target_radius = min(center) - radius_offset
         super().__init__(parent, size, center, **kwargs)
@@ -13,11 +25,11 @@ class CircleView(View):
     def init_ui(self, parent):
         self.ui = tk.Frame(parent)
         self.ui.pack()
-        self.target_label = ttk.Label(self.ui, text="Target (g)")
-        self.target_label.pack(side=tk.LEFT)
-        self.target = ttk.Entry(self.ui)
-        self.target.insert(0, 100.0)
-        self.target.pack(side=tk.LEFT)
+        self._target_label = ttk.Label(self.ui, text="Target (g)")
+        self._target_label.pack(side=tk.LEFT)
+        self._target = ttk.Entry(self.ui)
+        self._target.insert(0, "0.0")
+        self._target.pack(side=tk.LEFT)
 
     def _init_im(self):
         im = Image.new('1', self.size, 'white')
@@ -30,7 +42,7 @@ class CircleView(View):
         weight_radius = 0.0
         bkg_im = self.bkg_im.copy()
         try:
-            target = float(self.target.get())
+            target = float(self._target.get())
             if target > 0:
                 draw = ImageDraw.Draw(bkg_im)
                 draw.text((60, 98), f"{target:.1f} g", fill='black', font_size=16)