fix

katrain/gui.kv

@@ -729,8 +729,12 @@
                     color_mode: 'custom'
                     line_color_focus: TEXT_COLOR
                     size_hint: 1, 1
-#                    mode: "rectangle"
-#                    width: info.width - dp(26)
+                    canvas.before:
+                        Color:
+                            rgba: LIGHTGREY
+                        Line:
+                            points: self.x, self.y+self.height, self.x+self.width, self.y+self.height
+                            width: 1
     Label:
         size_hint_y: 1e-9 # takes up remaining space if info is closed
 

katrain/gui/kivyutils.py

@@ -66,9 +66,8 @@ class LeftButtonBehavior(ButtonBehavior):  # stops buttons etc activating on rig
 
     def on_press(self):
         if not self.last_touch or self.last_touch.button == "left":
-            r = self.dispatch("on_left_press")
-        return   super().on_press()
-
+            self.dispatch("on_left_press")
+        return super().on_press()
 
     def on_left_release(self):
         pass
@@ -356,11 +355,7 @@ class CollapsablePanel(MDBoxLayout):
         super().__init__(**kwargs)
         self.orientation = "vertical"
         self.bind(
-            options=self.build_options,
-            option_colors=self.build_options,
-            options_height=self.build_options,
-            option_active=self.build_options,
-            options_spacing=self.build_options,
+            options=self.build_options, option_colors=self.build_options, options_height=self.build_options, option_active=self.build_options, options_spacing=self.build_options,
         )
         self.bind(state=self.build, size_hint_y_open=self.build, height_open=self.build)
         self.build_options()
@@ -369,11 +364,10 @@ class CollapsablePanel(MDBoxLayout):
         self.header = CollapsablePanelHeader(height=self.options_height, size_hint_y=None, spacing=self.options_spacing, padding=[1, 0, 0, 0])
         self.option_buttons = []
         option_labels = self.option_labels or [i18n._(f"tab:{opt}") for opt in self.options]
-        for ix,(lbl, opt_col, active) in enumerate(zip(option_labels, self.option_colors, self.option_active)):
-            button = CollapsablePanelTab(text=lbl, active_outline_color=opt_col, height=self.options_height,
-                                         state="down" if active else "normal")
+        for ix, (lbl, opt_col, active) in enumerate(zip(option_labels, self.option_colors, self.option_active)):
+            button = CollapsablePanelTab(text=lbl, active_outline_color=opt_col, height=self.options_height, state="down" if active else "normal")
             self.option_buttons.append(button)
-            button.bind(state = lambda *_args,_ix = ix: self.trigger_select(_ix) )
+            button.bind(state=lambda *_args, _ix=ix: self.trigger_select(_ix))
         self.open_close_button = TransparentIconButton(  # <<  / >> collapse button
             icon=self.open_close_icon(),
             icon_size=[0.5 * self.options_height, 0.5 * self.options_height],
@@ -381,7 +375,7 @@ class CollapsablePanel(MDBoxLayout):
             size_hint_x=None,
             on_press=lambda *_args: self.set_state("toggle"),
         )
-        self.bind()
+        self.bind(state=lambda *_args: self.open_close_button.setter("icon")(None, self.open_close_icon()))
         self.build()
 
     def build(self, *args, **kwargs):
@@ -427,7 +421,7 @@ class CollapsablePanel(MDBoxLayout):
 
     def trigger_select(self, ix):
         if ix is not None and self.option_buttons:
-            self.option_active[ix] = (self.option_buttons[ix].state =='down')
+            self.option_active[ix] = self.option_buttons[ix].state == "down"
         if self.state == "open":
             self.dispatch("on_option_state", {opt: btn.active for opt, btn in zip(self.options, self.option_buttons)})
         return False