RE ADD CONTEXT

src/widget/text/build.rs

@@ -1,15 +1,16 @@
 use crate::prelude::*;
 use cosmic_text::{Attrs, Family, Metrics};
-use std::marker::Sized;
+use std::marker::{PhantomData, Sized};
 
-pub struct TextBuilder<O = TextOutput, H: WidgetOption = ()> {
+pub struct TextBuilder<State, O = TextOutput, H: WidgetOption<State> = ()> {
     pub content: String,
     pub attrs: TextAttrs,
     pub hint: H,
     pub output: O,
+    state: PhantomData<State>,
 }
 
-impl<O, H: WidgetOption> TextBuilder<O, H> {
+impl<State, O, H: WidgetOption<State>> TextBuilder<State, O, H> {
     pub fn size(mut self, size: impl UiNum) -> Self {
         self.attrs.font_size = size.to_f32();
         self.attrs.line_height = self.attrs.font_size * LINE_HEIGHT_MULT;
@@ -39,37 +40,48 @@ impl<O, H: WidgetOption> TextBuilder<O, H> {
         self.attrs.wrap = wrap;
         self
     }
-    pub fn editable(self, single_line: bool) -> TextBuilder<TextEditOutput, H> {
+    pub fn editable(self, single_line: bool) -> TextBuilder<State, TextEditOutput, H> {
         TextBuilder {
             content: self.content,
             attrs: self.attrs,
             hint: self.hint,
             output: TextEditOutput { single_line },
+            state: PhantomData,
         }
     }
 }
 
-impl<O> TextBuilder<O> {
-    pub fn hint<W: WidgetLike<Tag>, Tag>(self, hint: W) -> TextBuilder<O, impl WidgetOption> {
+impl<State: 'static, O> TextBuilder<State, O> {
+    pub fn hint<W: WidgetLike<State, Tag>, Tag>(
+        self,
+        hint: W,
+    ) -> TextBuilder<State, O, impl WidgetOption<State>> {
         TextBuilder {
             content: self.content,
             attrs: self.attrs,
-            hint: move |ui: &mut Ui| Some(hint.add(ui).any()),
+            hint: move |ui: &mut Ui<State>| Some(hint.add(ui).any()),
             output: self.output,
+            state: PhantomData,
         }
     }
 }
 
-pub trait TextBuilderOutput: Sized {
+pub trait TextBuilderOutput<State>: Sized {
     type Output;
-    fn run<H: WidgetOption>(ui: &mut Ui, builder: TextBuilder<Self, H>) -> Self::Output;
+    fn run<H: WidgetOption<State>>(
+        ui: &mut Ui<State>,
+        builder: TextBuilder<State, Self, H>,
+    ) -> Self::Output;
 }
 
 pub struct TextOutput;
-impl TextBuilderOutput for TextOutput {
-    type Output = Text;
+impl<State: 'static> TextBuilderOutput<State> for TextOutput {
+    type Output = Text<State>;
 
-    fn run<H: WidgetOption>(ui: &mut Ui, builder: TextBuilder<Self, H>) -> Self::Output {
+    fn run<H: WidgetOption<State>>(
+        ui: &mut Ui<State>,
+        builder: TextBuilder<State, Self, H>,
+    ) -> Self::Output {
         let mut buf = TextBuffer::new_empty(Metrics::new(
             builder.attrs.font_size,
             builder.attrs.line_height,
@@ -90,10 +102,13 @@ impl TextBuilderOutput for TextOutput {
 pub struct TextEditOutput {
     single_line: bool,
 }
-impl TextBuilderOutput for TextEditOutput {
-    type Output = TextEdit;
+impl<State: 'static> TextBuilderOutput<State> for TextEditOutput {
+    type Output = TextEdit<State>;
 
-    fn run<H: WidgetOption>(ui: &mut Ui, builder: TextBuilder<Self, H>) -> Self::Output {
+    fn run<H: WidgetOption<State>>(
+        ui: &mut Ui<State>,
+        builder: TextBuilder<State, Self, H>,
+    ) -> Self::Output {
         let buf = TextBuffer::new_empty(Metrics::new(
             builder.attrs.font_size,
             builder.attrs.line_height,
@@ -110,19 +125,22 @@ impl TextBuilderOutput for TextEditOutput {
     }
 }
 
-impl<O: TextBuilderOutput, H: WidgetOption> FnOnce<(&mut Ui,)> for TextBuilder<O, H> {
+impl<State, O: TextBuilderOutput<State>, H: WidgetOption<State>> FnOnce<(&mut Ui<State>,)>
+    for TextBuilder<State, O, H>
+{
     type Output = O::Output;
 
-    extern "rust-call" fn call_once(self, args: (&mut Ui,)) -> Self::Output {
+    extern "rust-call" fn call_once(self, args: (&mut Ui<State>,)) -> Self::Output {
         O::run(args.0, self)
     }
 }
 
-pub fn wtext(content: impl Into<String>) -> TextBuilder {
+pub fn wtext<State>(content: impl Into<String>) -> TextBuilder<State> {
     TextBuilder {
         content: content.into(),
         attrs: TextAttrs::default(),
         hint: (),
         output: TextOutput,
+        state: PhantomData,
     }
 }