tri state checkboxes are probably a terrible idea

katrain/gui.kv

@@ -682,6 +682,7 @@
         color: LIGHTGREY
 
 
+
 <AnalysisToggle>:
     adaptive_width: True
     spacing: CP_SPACING
@@ -697,15 +698,18 @@
         color: checkbox.disabled_color if root.disabled else (checkbox.selected_color if checkbox.active else checkbox.unselected_color)
         size_hint_x: None
         width: self.texture_size[0] + 4
-        on_left_press: checkbox.active = not checkbox.active
-    MDCheckbox:
+        on_left_press: checkbox.trigger_action()
+    TriStateMDCheckbox:
         id: checkbox
         disabled: root.disabled
+        tri_state: root.tri_state
         size_hint: None,0.5
         pos_hint: {'center_y': 0.5}
         width: self.height
         active: root.default_active
         on_active: if app.gui: app.gui.update_state()
+        on_slashed: if app.gui: app.gui.update_state()
+
 
 <AnalysisMenuItem@MenuItem>:
     on_close: app.gui.analysis_controls.close_dropdown()
@@ -794,6 +798,7 @@
             AnalysisToggle:
                 id: eval
                 text: i18n._("analysis:dots")
+                tri_state: True
             AnalysisToggle:
                 id: hints
                 text: i18n._("analysis:topmoves")

katrain/gui/badukpan.py

@@ -272,6 +272,7 @@ class BadukPanWidget(Widget):
             current_node = katrain.game.current_node
             game_ended = katrain.game.end_result
             full_eval_on = katrain.analysis_controls.eval.active
+            all_dots_off = katrain.analysis_controls.eval.checkbox.slashed
             has_stone = {}
             drawn_stone = {}
             for m in katrain.game.stones:
@@ -295,7 +296,10 @@ class BadukPanWidget(Widget):
                 placements = node.placements
                 for m in node.moves + placements:
                     if has_stone.get(m.coords) and not drawn_stone.get(m.coords):  # skip captures, last only for
-                        move_eval_on = show_dots_for.get(m.player) and (i < show_n_eval or full_eval_on)
+                        move_eval_on = (
+                            not all_dots_off and show_dots_for.get(m.player) and (i < show_n_eval or full_eval_on)
+                        )
+                        print(move_eval_on, all_dots_off, show_dots_for.get(m.player), i < show_n_eval, full_eval_on)
                         if move_eval_on and points_lost is not None:
                             evalcol = self.eval_color(points_lost, show_dots_for_class)
                         else:

katrain/gui/kivyutils.py

@@ -23,6 +23,7 @@ from kivymd.uix.behaviors import CircularRippleBehavior, RectangularRippleBehavi
 from kivymd.uix.boxlayout import MDBoxLayout
 from kivymd.uix.button import BaseFlatButton, BasePressedButton
 from kivymd.uix.navigationdrawer import MDNavigationDrawer
+from kivymd.uix.selectioncontrol import MDCheckbox
 from kivymd.uix.textfield import MDTextField
 
 from katrain.core.constants import AI_STRATEGIES_RECOMMENDED_ORDER, GAME_TYPES, MODE_PLAY, PLAYER_AI
@@ -372,14 +373,36 @@ class Timer(BGBoxLayout):
     timeout = BooleanProperty(False)
 
 
+class TriStateMDCheckbox(MDCheckbox):
+    tri_state = BooleanProperty(False)
+    slashed = BooleanProperty(False)
+
+    def _do_press(self):
+        if not self.tri_state:
+            return super()._do_press()
+        if self.slashed:
+            self.state = "normal"
+            self.slashed = False
+            self.icon = "checkbox-blank-outline"
+        elif self.state == "down":
+            self.state = "normal"
+            self.slashed = True
+            self.icon = "checkbox-blank-off-outline"
+        else:
+            self.state = "down"
+            self.slashed = False
+            self.icon = "checkbox-marked-outline"
+
+
 class AnalysisToggle(MDBoxLayout):
     text = StringProperty("")
     default_active = BooleanProperty(False)
     font_name = StringProperty(DEFAULT_FONT)
     disabled = BooleanProperty(False)
+    tri_state = BooleanProperty(False)
 
     def trigger_action(self, *args, **kwargs):
-        return self.checkbox.trigger_action(*args, **kwargs)
+        return self.checkbox._do_press()
 
     def activate(self, *_args):
         self.checkbox.active = True