1 files changed, 236 insertions, 0 deletions
diff --git a/pure/src/widget.rs b/pure/src/widget.rs
new file mode 100644
index 00000000..c516c1f2
--- /dev/null
+++ b/pure/src/widget.rs
@@ -0,0 +1,236 @@
+pub mod image;
+pub mod tree;
+
+mod button;
+mod checkbox;
+mod column;
+mod container;
+mod element;
+mod pick_list;
+mod radio;
+mod row;
+mod scrollable;
+mod slider;
+mod space;
+mod text;
+mod text_input;
+mod toggler;
+
+pub use button::Button;
+pub use checkbox::Checkbox;
+pub use column::Column;
+pub use container::Container;
+pub use element::Element;
+pub use image::Image;
+pub use pick_list::PickList;
+pub use radio::Radio;
+pub use row::Row;
+pub use scrollable::Scrollable;
+pub use slider::Slider;
+pub use space::Space;
+pub use text::Text;
+pub use text_input::TextInput;
+pub use toggler::Toggler;
+pub use tree::Tree;
+
+use iced_native::event::{self, Event};
+use iced_native::layout::{self, Layout};
+use iced_native::mouse;
+use iced_native::overlay;
+use iced_native::renderer;
+use iced_native::{Clipboard, Length, Point, Rectangle, Shell};
+
+use std::borrow::Cow;
+
+pub trait Widget<Message, Renderer> {
+    fn width(&self) -> Length;
+
+    fn height(&self) -> Length;
+
+    fn layout(
+        &self,
+        renderer: &Renderer,
+        limits: &layout::Limits,
+    ) -> layout::Node;
+
+    fn draw(
+        &self,
+        state: &Tree,
+        renderer: &mut Renderer,
+        style: &renderer::Style,
+        layout: Layout<'_>,
+        cursor_position: Point,
+        viewport: &Rectangle,
+    );
+
+    fn tag(&self) -> tree::Tag {
+        tree::Tag::stateless()
+    }
+
+    fn state(&self) -> tree::State {
+        tree::State::None
+    }
+
+    fn children(&self) -> Vec<Tree> {
+        Vec::new()
+    }
+
+    fn diff(&self, _tree: &mut Tree) {}
+
+    fn mouse_interaction(
+        &self,
+        _state: &Tree,
+        _layout: Layout<'_>,
+        _cursor_position: Point,
+        _viewport: &Rectangle,
+        _renderer: &Renderer,
+    ) -> mouse::Interaction {
+        mouse::Interaction::Idle
+    }
+
+    fn on_event(
+        &mut self,
+        _state: &mut Tree,
+        _event: Event,
+        _layout: Layout<'_>,
+        _cursor_position: Point,
+        _renderer: &Renderer,
+        _clipboard: &mut dyn Clipboard,
+        _shell: &mut Shell<'_, Message>,
+    ) -> event::Status {
+        event::Status::Ignored
+    }
+
+    fn overlay<'a>(
+        &'a self,
+        _state: &'a mut Tree,
+        _layout: Layout<'_>,
+        _renderer: &Renderer,
+    ) -> Option<overlay::Element<'a, Message, Renderer>> {
+        None
+    }
+}
+
+pub fn container<'a, Message, Renderer>(
+    content: impl Into<Element<'a, Message, Renderer>>,
+) -> Container<'a, Message, Renderer>
+where
+    Renderer: iced_native::Renderer,
+{
+    Container::new(content)
+}
+
+pub fn column<'a, Message, Renderer>() -> Column<'a, Message, Renderer> {
+    Column::new()
+}
+
+pub fn row<'a, Message, Renderer>() -> Row<'a, Message, Renderer> {
+    Row::new()
+}
+
+pub fn scrollable<'a, Message, Renderer>(
+    content: impl Into<Element<'a, Message, Renderer>>,
+) -> Scrollable<'a, Message, Renderer>
+where
+    Renderer: iced_native::Renderer,
+{
+    Scrollable::new(content)
+}
+
+pub fn button<'a, Message, Renderer>(
+    content: impl Into<Element<'a, Message, Renderer>>,
+) -> Button<'a, Message, Renderer> {
+    Button::new(content)
+}
+
+pub fn text<Renderer>(text: impl Into<String>) -> Text<Renderer>
+where
+    Renderer: iced_native::text::Renderer,
+{
+    Text::new(text)
+}
+
+pub fn checkbox<'a, Message, Renderer>(
+    label: impl Into<String>,
+    is_checked: bool,
+    f: impl Fn(bool) -> Message + 'a,
+) -> Checkbox<'a, Message, Renderer>
+where
+    Renderer: iced_native::text::Renderer,
+{
+    Checkbox::new(is_checked, label, f)
+}
+
+pub fn radio<'a, Message, Renderer, V>(
+    label: impl Into<String>,
+    value: V,
+    selected: Option<V>,
+    on_click: impl FnOnce(V) -> Message,
+) -> Radio<'a, Message, Renderer>
+where
+    Message: Clone,
+    Renderer: iced_native::text::Renderer,
+    V: Copy + Eq,
+{
+    Radio::new(value, label, selected, on_click)
+}
+
+pub fn toggler<'a, Message, Renderer>(
+    label: impl Into<Option<String>>,
+    is_checked: bool,
+    f: impl Fn(bool) -> Message + 'a,
+) -> Toggler<'a, Message, Renderer>
+where
+    Renderer: iced_native::text::Renderer,
+{
+    Toggler::new(is_checked, label, f)
+}
+
+pub fn text_input<'a, Message, Renderer>(
+    placeholder: &str,
+    value: &str,
+    on_change: impl Fn(String) -> Message + 'a,
+) -> TextInput<'a, Message, Renderer>
+where
+    Message: Clone,
+    Renderer: iced_native::text::Renderer,
+{
+    TextInput::new(placeholder, value, on_change)
+}
+
+pub fn slider<'a, Message, T>(
+    range: std::ops::RangeInclusive<T>,
+    value: T,
+    on_change: impl Fn(T) -> Message + 'a,
+) -> Slider<'a, T, Message>
+where
+    Message: Clone,
+    T: Copy + From<u8> + std::cmp::PartialOrd,
+{
+    Slider::new(range, value, on_change)
+}
+
+pub fn pick_list<'a, Message, Renderer, T>(
+    options: impl Into<Cow<'a, [T]>>,
+    selected: Option<T>,
+    on_selected: impl Fn(T) -> Message + 'a,
+) -> PickList<'a, T, Message, Renderer>
+where
+    T: ToString + Eq + 'static,
+    [T]: ToOwned<Owned = Vec<T>>,
+    Renderer: iced_native::text::Renderer,
+{
+    PickList::new(options, selected, on_selected)
+}
+
+pub fn image<Handle>(handle: impl Into<Handle>) -> Image<Handle> {
+    Image::new(handle.into())
+}
+
+pub fn horizontal_space(width: Length) -> Space {
+    Space::with_width(width)
+}
+
+pub fn vertical_space(height: Length) -> Space {
+    Space::with_height(height)
+}