Added #[derive(Serialize, Deserialize)] to the Style structs under th…

…e serde feature (#227)

* Fix docking on empty main surface. (#222)

* Fix docking on empty main surface.

* Update changelog and bump patch number.

* Bugfixes (#225)

* Fix visual bug happening while a tab is being dragged.

* Fix crash on retaining tabs.

* Fix `filter_map_tabs` leaving leaf nodes empty.

* Update changelog

* Revert simple.rs

* Bump patch version number.

* added the derives

---------

Co-authored-by: Adam Gąsior <adanos020@gmail.com>

src/style.rs

@@ -46,6 +46,7 @@ pub enum TabAddAlign {
 /// #
 /// ```
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[allow(missing_docs)]
 pub struct Style {
     /// Sets padding to indent from the edges of the window. By `Default` it's `None`.
@@ -63,6 +64,7 @@ pub struct Style {
 
 /// Specifies the look and feel of buttons.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct ButtonsStyle {
     /// Color of the close tab button.
     pub close_tab_color: Color32,
@@ -91,6 +93,7 @@ pub struct ButtonsStyle {
 
 /// Specifies the look and feel of node separators.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct SeparatorStyle {
     /// Width of the rectangle separator between nodes. By `Default` it's `1.0`.
     pub width: f32,
@@ -115,6 +118,7 @@ pub struct SeparatorStyle {
 
 /// Specifies the look and feel of tab bars.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct TabBarStyle {
     /// Background color of tab bar. By `Default` it's [`Color32::WHITE`].
     pub bg_fill: Color32,
@@ -138,6 +142,7 @@ pub struct TabBarStyle {
 
 /// Specifies the look and feel of an individual tab.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct TabStyle {
     /// Style of the tab when it is active.
     pub active: TabInteractionStyle,
@@ -177,6 +182,7 @@ pub struct TabStyle {
 
 /// Specifies the look and feel of individual tabs while they are being interacted with.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct TabInteractionStyle {
     /// Color of the outline around tabs. By `Default` it's [`Color32::BLACK`].
     pub outline_color: Color32,
@@ -193,6 +199,7 @@ pub struct TabInteractionStyle {
 
 /// Specifies the look and feel of the tab body.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct TabBodyStyle {
     /// Inner margin of tab body. By `Default` it's `Margin::same(4.0)`.
     pub inner_margin: Margin,
@@ -209,6 +216,7 @@ pub struct TabBodyStyle {
 
 /// Specifies the look and feel of the tab drop overlay.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct OverlayStyle {
     /// Sets selection color for the placing area of the tab where this tab targeted on it.
     /// By `Default` it's `(0, 191, 255)` (light blue) with `0.5` capacity.
@@ -246,6 +254,7 @@ pub struct OverlayStyle {
 
 /// Specifies the feel of the tab drop overlay, i.e anything non visual about the overlay.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct OverlayFeel {
     /// range is `0.0..=1.0`.
     pub window_drop_coverage: f32,
@@ -265,6 +274,7 @@ pub struct OverlayFeel {
 
 /// Specifies the type of overlay used.
 #[derive(Clone, Debug, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub enum OverlayType {
     /// Shows highlighted areas predicting where a dropped tab would land were it to be dropped this frame.
     ///
@@ -279,6 +289,7 @@ pub enum OverlayType {
 
 /// Highlighting on the currently hovered leaf.
 #[derive(Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct LeafHighlighting {
     /// Fill color.
     pub color: Color32,