feat: add window animations

toml-spec/spec/spec.generated.md

@@ -942,6 +942,125 @@ This table is a tagged union. The variant is determined by the `type` field. It
     The numbers should be integers.
 
 
+<a name="types-AnimationCurve"></a>
+### `AnimationCurve`
+
+Describes a window animation curve.
+
+Values of this type should have one of the following forms:
+
+#### A string
+
+One of the supported curve presets.
+
+The string should have one of the following values:
+
+- `linear`:
+
+  No easing.
+
+- `ease`:
+
+  The CSS `ease` curve.
+
+- `ease-in`:
+
+  The CSS `ease-in` curve.
+
+- `ease-out`:
+
+  The CSS `ease-out` curve.
+
+- `ease-in-out`:
+
+  The CSS `ease-in-out` curve.
+
+
+#### An array
+
+A custom CSS-style cubic-bezier curve as four numbers:
+`x1`, `y1`, `x2`, and `y2`.
+
+The implicit endpoints are `(0, 0)` and `(1, 1)`. `x1` and `x2` must
+be between `0` and `1`.
+
+Each element of this array should be a number.
+
+
+<a name="types-AnimationStyle"></a>
+### `AnimationStyle`
+
+Describes a tiled window movement animation style.
+
+Values of this type should be strings.
+
+The string should have one of the following values:
+
+- `plain`:
+
+  Uses a single interpolated movement from each window's current visual
+  rectangle to its destination rectangle.
+
+- `multiphase`:
+
+  Uses the no-overlap multiphase planner for tiled window movement when a
+  supported plan exists.
+
+
+<a name="types-Animations"></a>
+### `Animations`
+
+Describes window animation settings.
+
+- Example:
+
+  ```toml
+  [animations]
+  enabled = true
+  duration-ms = 160
+  style = "multiphase"
+  curve = [0.25, 0.1, 0.25, 1.0]
+  ```
+
+Values of this type should be tables.
+
+The table has the following fields:
+
+- `enabled` (optional):
+
+  Enables or disables window animations.
+
+  The default is `false`.
+
+  The value of this field should be a boolean.
+
+- `duration-ms` (optional):
+
+  Sets the animation duration in milliseconds.
+
+  The default is `160`.
+
+  The value of this field should be a number.
+
+  The numbers should be integers.
+
+- `style` (optional):
+
+  Sets the animation style used for tiled window movement animations.
+
+  The default is `multiphase`.
+
+  The value of this field should be a [AnimationStyle](#types-AnimationStyle).
+
+- `curve` (optional):
+
+  Sets the animation curve.
+
+  The default is `ease-out`.
+
+  The value of this field should be a [AnimationCurve](#types-AnimationCurve).
+
+
 <a name="types-BarPosition"></a>
 ### `BarPosition`
 
@@ -2169,6 +2288,24 @@ The table has the following fields:
 
   The value of this field should be a [UiDrag](#types-UiDrag).
 
+- `animations` (optional):
+
+  Configures window animations.
+
+  Animations are disabled by default.
+
+  - Example:
+
+    ```toml
+    [animations]
+    enabled = true
+    duration-ms = 160
+    style = "multiphase"
+    curve = "ease-out"
+    ```
+
+  The value of this field should be a [Animations](#types-Animations).
+
 - `xwayland` (optional):
 
   Configures the Xwayland settings.
@@ -5670,4 +5807,3 @@ The table has the following fields:
 
   The value of this field should be a [XScalingMode](#types-XScalingMode).
 
-