feat!(widget): rewrite button & icon widget APIs

src/widget/button/mod.rs

@@ -0,0 +1,113 @@
+// Copyright 2023 System76 <info@system76.com>
+// SPDX-License-Identifier: MPL-2.0
+
+pub mod hyperlink;
+pub use hyperlink::Button as LinkButton;
+
+mod icon;
+pub use icon::icon;
+pub use icon::Button as IconButton;
+
+mod style;
+pub use style::{Appearance, StyleSheet};
+
+mod text;
+pub use text::Button as TextButton;
+pub use text::{destructive, standard, suggested, text};
+
+mod widget;
+pub use widget::{draw, focus, layout, mouse_interaction, Button};
+
+pub use crate::theme::Button as Style;
+use crate::Element;
+use iced_core::font::Weight;
+use iced_core::widget::Id;
+use iced_core::{Length, Padding};
+use std::borrow::Cow;
+
+pub fn button<'a, Message>(
+    content: impl Into<Element<'a, Message>>,
+) -> Button<'a, Message, crate::Renderer> {
+    Button::new(content)
+}
+
+#[must_use]
+pub struct Builder<'a, Message, Variant> {
+    id: Id,
+    label: Cow<'a, str>,
+    // tooltip: Cow<'a, str>,
+    on_press: Option<Message>,
+    width: Length,
+    height: Length,
+    padding: Padding,
+    spacing: u16,
+    icon_size: u16,
+    line_height: u16,
+    font_size: u16,
+    font_weight: Weight,
+    style: Style,
+    variant: Variant,
+}
+
+// /// A [`Button`] with an icon, which may be used in place of text.
+// pub const fn icon<'a>(selected: bool) -> Button<'a> {
+//     Builder::new(Standard::Icon { selected })
+// }
+
+impl<'a, Message, Variant> Builder<'a, Message, Variant> {
+    /// Sets the [`Id`] of the [`Button`].
+    pub fn id(mut self, id: Id) -> Self {
+        self.id = id;
+        self
+    }
+
+    pub fn label(mut self, label: impl Into<Cow<'a, str>>) -> Self {
+        self.label = label.into();
+        self
+    }
+
+    /// Sets the width of the [`Button`].
+    pub fn width(mut self, width: impl Into<Length>) -> Self {
+        self.width = width.into();
+        self
+    }
+
+    /// Sets the height of the [`Button`].
+    pub fn height(mut self, height: impl Into<Length>) -> Self {
+        self.height = height.into();
+        self
+    }
+
+    /// Sets the [`Padding`] of the [`Button`].
+    pub fn padding<P: Into<Padding>>(mut self, padding: P) -> Self {
+        self.padding = padding.into();
+        self
+    }
+
+    /// Sets the message that will be produced when the [`Button`] is pressed.
+    ///
+    /// Unless `on_press` is called, the [`Button`] will be disabled.
+    pub fn on_press(mut self, on_press: Message) -> Self {
+        self.on_press = Some(on_press);
+        self
+    }
+
+    /// Sets the message that will be produced when the [`Button`] is pressed,
+    /// if `Some`.
+    ///
+    /// If `None`, the [`Button`] will be disabled.
+    pub fn on_press_maybe(mut self, on_press: Option<Message>) -> Self {
+        self.on_press = on_press;
+        self
+    }
+
+    pub fn style(mut self, style: Style) -> Self {
+        self.style = style;
+        self
+    }
+
+    pub fn tooltip(mut self, label: impl Into<Cow<'a, str>>) -> Self {
+        self.label = label.into();
+        self
+    }
+}