refactor prevent-default

packages/tui/src/node.rs

@@ -0,0 +1,91 @@
+use crate::focus::Focus;
+use crate::layout::StretchLayout;
+use crate::style_attributes::StyleModifier;
+use dioxus_native_core::{real_dom::RealDom, state::*};
+use dioxus_native_core_macro::State;
+
+pub(crate) type Dom = RealDom<NodeState>;
+pub(crate) type Node = dioxus_native_core::real_dom::Node<NodeState>;
+
+#[derive(Debug, Clone, State, Default)]
+pub(crate) struct NodeState {
+    #[child_dep_state(layout, RefCell<Stretch>)]
+    pub layout: StretchLayout,
+    // depends on attributes, the C component of it's parent and a u8 context
+    #[parent_dep_state(style)]
+    pub style: StyleModifier,
+    #[node_dep_state()]
+    pub prevent_default: PreventDefault,
+    #[node_dep_state()]
+    pub focus: Focus,
+    pub focused: bool,
+}
+
+#[derive(PartialEq, Debug, Clone)]
+pub(crate) enum PreventDefault {
+    Focus,
+    KeyPress,
+    KeyRelease,
+    KeyDown,
+    KeyUp,
+    MouseDown,
+    Click,
+    MouseEnter,
+    MouseLeave,
+    MouseOut,
+    Unknown,
+    MouseOver,
+    ContextMenu,
+    Wheel,
+    MouseUp,
+}
+
+impl Default for PreventDefault {
+    fn default() -> Self {
+        PreventDefault::Unknown
+    }
+}
+
+impl NodeDepState for PreventDefault {
+    type Ctx = ();
+
+    type DepState = ();
+
+    const NODE_MASK: dioxus_native_core::node_ref::NodeMask =
+        dioxus_native_core::node_ref::NodeMask::NONE;
+
+    fn reduce(
+        &mut self,
+        node: dioxus_native_core::node_ref::NodeView,
+        _sibling: &Self::DepState,
+        _ctx: &Self::Ctx,
+    ) -> bool {
+        let new = match node
+            .attributes()
+            .find(|a| a.name == "dioxus-prevent-default")
+            .map(|a| a.value)
+        {
+            Some("focus") => PreventDefault::Focus,
+            Some("keypress") => PreventDefault::KeyPress,
+            Some("keyrelease") => PreventDefault::KeyRelease,
+            Some("keydown") => PreventDefault::KeyDown,
+            Some("keyup") => PreventDefault::KeyUp,
+            Some("click") => PreventDefault::Click,
+            Some("mousedown") => PreventDefault::MouseDown,
+            Some("mouseup") => PreventDefault::MouseUp,
+            Some("mouseenter") => PreventDefault::MouseEnter,
+            Some("mouseover") => PreventDefault::MouseOver,
+            Some("mouseleave") => PreventDefault::MouseLeave,
+            Some("mouseout") => PreventDefault::MouseOut,
+            Some("wheel") => PreventDefault::Wheel,
+            Some("contextmenu") => PreventDefault::ContextMenu,
+            _ => return false,
+        };
+        if new == *self {
+            false
+        } else {
+            *self = new;
+            true
+        }
+    }
+}