region attribute of Gadget made private.

examples/advanced/hack/hack/effects.py

@@ -7,7 +7,7 @@ class Darken(Gadget):
 
     def _render(self, canvas):
         super()._render(canvas)
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             s = rect.to_slices()
             canvas["fg_color"][s] >>= 1
             canvas["bg_color"][s] >>= 1

examples/advanced/minesweeper/minesweeper/minefield.py

@@ -217,7 +217,7 @@ def _game_over(self, win: bool):
 
     def _render(self, canvas):
         abs_pos = self.absolute_pos
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst = rect.to_slices()
             src = rect.to_slices(abs_pos)
             visible = self.hidden[src] != 0

examples/advanced/tetris/tetris/matrix.py

@@ -38,7 +38,7 @@ def _render(self, canvas):
         super()._render(canvas)
         glow = self._glow
         abs_pos = self.absolute_pos
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst_y, dst_x = rect.to_slices()
             src_y, src_x = rect.to_slices(abs_pos)
 

src/batgrl/gadgets/_cursor.py

@@ -17,7 +17,7 @@ def __init__(self, fg_color: Color = WHITE, bg_color: Color = BLACK, **kwargs):
 
     def _render(self, canvas: NDArray[Cell]):
         """Render visible region of gadget."""
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst = rect.to_slices()
             canvas[dst]["fg_color"] = self.fg_color
             canvas[dst]["bg_color"] = self.bg_color

src/batgrl/gadgets/_root.py

@@ -89,11 +89,11 @@ def _render(self):
         #   geometry has been static for some time.
 
         with self._render_lock:
-            self.region = Region.from_rect(self.pos, self.size)
+            self._region = Region.from_rect(self.pos, self.size)
 
             for child in self.walk():
-                child.region = (
-                    child.parent.region
+                child._region = (
+                    child.parent._region
                     & Region.from_rect(child.absolute_pos, child.size)
                     if child.is_enabled and child.is_visible
                     else Region()
@@ -102,9 +102,9 @@ def _render(self):
             if self.render_mode == "regions":
                 for child in self.walk_reverse():
                     if child.is_enabled:
-                        child.region &= self.region
+                        child._region &= self._region
                         if child.is_visible and not child.is_transparent:
-                            self.region -= child.region
+                            self._region -= child._region
 
             self.canvas, self._last_canvas = self._last_canvas, self.canvas
 

src/batgrl/gadgets/animation.py

@@ -252,15 +252,15 @@ def __init__(
         self._animation_task = None
 
     @property
-    def region(self) -> Region:
+    def _region(self) -> Region:
         """The visible portion of the gadget on the screen."""
-        return self._region
+        return self._region_value
 
-    @region.setter
-    def region(self, region: Region):
-        self._region = region
+    @_region.setter
+    def _region(self, region: Region):
+        self._region_value = region
         for frame in self.frames:
-            frame.region = region
+            frame._region = region
 
     def on_remove(self):
         """Pause animation."""

src/batgrl/gadgets/bar_chart.py

@@ -293,7 +293,7 @@ def __init__(
 
     @property
     def is_transparent(self) -> bool:
-        """A transparent gadget allows regions beneath it to be painted."""
+        """Whether gadget is transparent."""
         return self._container.is_transparent
 
     @is_transparent.setter

src/batgrl/gadgets/console.py

@@ -254,7 +254,7 @@ def set_text(self, text: str, **kwargs):
 class _AlmostPane(Pane):
     def _render(self, canvas):
         console: Console = self.parent.parent
-        self.region -= console._input.region
+        self._region -= console._input._region
         super()._render(canvas)
 
 

src/batgrl/gadgets/data_table.py

@@ -320,7 +320,7 @@ def on_release(self):
 class _FauxPane(Pane):
     def _render(self, canvas):
         data_table: DataTable = self.parent.parent
-        self.region -= data_table._table.region
+        self._region -= data_table._table._region
         super()._render(canvas)
 
 

src/batgrl/gadgets/gadget.py

@@ -575,7 +575,7 @@ def __init__(
         self.is_visible = is_visible
         self.is_enabled = is_enabled
 
-        self.region: Region = Region()
+        self._region: Region = Region()
         """The visible portion of the gadget on the screen."""
 
     def __repr__(self):
@@ -866,8 +866,8 @@ def collides_point(self, point: Point) -> bool:
         if not self.is_visible or not self.is_enabled:
             return False
 
-        return point in self.region or any(
-            point in child.region
+        return point in self._region or any(
+            point in child._region
             for child in self.walk()
             if child.is_visible or child.is_enabled
         )

src/batgrl/gadgets/graphic_field.py

@@ -245,7 +245,7 @@ def _render(self, canvas: NDArray[Cell]):
         offy, offx = self.absolute_pos
         ppos = self.particle_positions
         pcolors = self.particle_colors
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             height = rect.bottom - rect.top
             width = rect.right - rect.left
             pos = ppos - (rect.top - offy, rect.left - offx)

src/batgrl/gadgets/graphics.py

@@ -260,7 +260,7 @@ def _render(self, canvas: NDArray[Cell]):
         background = canvas["bg_color"]
         abs_pos = self.absolute_pos
         alpha = self.alpha
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst = rect.to_slices()
             src_y, src_x = rect.to_slices(abs_pos)
             fg_rect = foreground[dst]

src/batgrl/gadgets/pane.py

@@ -199,7 +199,7 @@ def _render(self, canvas: NDArray[Cell]):
         styles = canvas[["bold", "italic", "underline", "strikethrough", "overline"]]
         foreground = canvas["fg_color"]
         background = canvas["bg_color"]
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst = rect.to_slices()
             fg_rect = foreground[dst]
             bg_rect = background[dst]

src/batgrl/gadgets/parallax.py

@@ -242,15 +242,15 @@ def __init__(
         self._vertical_offset = self._horizontal_offset = 0.0
 
     @property
-    def region(self) -> Region:
+    def _region(self) -> Region:
         """The visible portion of the gadget on the screen."""
-        return self._region
+        return self._region_value
 
-    @region.setter
-    def region(self, region: Region):
-        self._region = region
+    @_region.setter
+    def _region(self, region: Region):
+        self._region_value = region
         for layer in self.layers:
-            layer.region = region
+            layer._region = region
 
     def on_size(self):
         """Resize parallax layers."""

src/batgrl/gadgets/scroll_view.py

@@ -474,7 +474,7 @@ def alpha(self, alpha: float):
 
     @property
     def is_transparent(self) -> bool:
-        """A transparent gadget allows regions beneath it to be painted."""
+        """Whether gadget is transparent."""
         return self._background.is_transparent
 
     @is_transparent.setter

src/batgrl/gadgets/text.py

@@ -497,7 +497,7 @@ def _render(self, canvas: NDArray[Cell]):
         text_bg = self.canvas["bg_color"]
         abs_pos = self.absolute_pos
         alpha = self.alpha
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             dst = rect.to_slices()
             src = rect.to_slices(abs_pos)
             if self.is_transparent:

src/batgrl/gadgets/text_field.py

@@ -224,7 +224,7 @@ def _render(self, canvas: NDArray[Cell]):
         ppos = self.particle_positions
         pchars = self.particle_cells[cell_sans("bg_color")]
         pbg_color = self.particle_cells["bg_color"]
-        for rect in self.region.rects():
+        for rect in self._region.rects():
             height = rect.bottom - rect.top
             width = rect.right - rect.left
             pos = ppos - (rect.top - offy, rect.left - offx)

src/batgrl/gadgets/textbox.py

@@ -39,7 +39,7 @@ def _render(self, canvas):
         textbox: Textbox = self.parent
         if textbox.hide_input:
             hider_rect = Region.from_rect(self.absolute_pos, (1, textbox._line_length))
-            hider_region = self.region & hider_rect
+            hider_region = self._region & hider_rect
             for rect in hider_region.rects():
                 canvas["char"][rect.to_slices()] = textbox.hide_char