diff options
Diffstat (limited to 'virtual/src/widget/button.rs')
-rw-r--r-- | virtual/src/widget/button.rs | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/virtual/src/widget/button.rs b/virtual/src/widget/button.rs new file mode 100644 index 00000000..115be80b --- /dev/null +++ b/virtual/src/widget/button.rs @@ -0,0 +1,64 @@ +use crate::element::{self, Element}; +use crate::Widget; + +pub struct Button<Message, Renderer> { + content: Element<Message, Renderer>, + on_press: Option<Message>, +} + +impl<Message, Renderer> Button<Message, Renderer> { + pub fn new( + content: impl element::Descriptor<Message, Renderer> + 'static, + ) -> Self { + Button { + content: Element::new(content), + on_press: None, + } + } + + pub fn on_press(mut self, on_press: Message) -> Self { + self.on_press = Some(on_press); + self + } +} + +impl<Message, Renderer> element::Descriptor<Message, Renderer> + for Button<Message, Renderer> +where + Message: 'static + Clone, + Renderer: 'static, +{ + fn tag(&self) -> std::any::TypeId { + std::any::TypeId::of::<Self>() + } + + fn build(&self) -> Box<dyn Widget<Message, Renderer>> { + Box::new(State { is_pressed: false }) + } + + fn children(&self) -> &[Element<Message, Renderer>] { + std::slice::from_ref(&self.content) + } + + fn clone(&self) -> Box<dyn element::Descriptor<Message, Renderer>> { + Box::new(Clone::clone(self)) + } +} + +impl<Message, Renderer> Clone for Button<Message, Renderer> +where + Message: Clone, +{ + fn clone(&self) -> Self { + Self { + content: self.content.clone(), + on_press: self.on_press.clone(), + } + } +} + +pub struct State { + is_pressed: bool, +} + +impl<Message, Renderer> Widget<Message, Renderer> for State {} |