test iced text_input widget

1 files changed, 31 insertions, 18 deletions

diff --git a/src/main.rs b/src/main.rs
index 1e1bf7a..9bf6c51 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,18 +1,35 @@
 use iced::{
-    widget::{button, column, text},
+    widget::{column, text_input},
     Element, Sandbox, Settings,
 };
 
 pub fn main() -> iced::Result {
-    Counter::run(Settings::default())
+    App::run(Settings::default())
 }
 
 #[derive(Default)]
-struct Counter {
-    value: i32,
+struct App {
+    displacement: f64,
+    ui: UI,
 }
 
-impl Sandbox for Counter {
+#[derive(Default)]
+struct UI {
+    displacement: String,
+}
+
+impl App {
+    fn set_displacement(&mut self, displacement: &str) {
+        if displacement.len() == 0 {
+            self.displacement = 0.;
+        } else if let Ok(d) = displacement.parse::<f64>() {
+            self.displacement = d;
+        }
+        self.ui.displacement = String::from(displacement);
+    }
+}
+
+impl Sandbox for App {
     type Message = Message;
 
     fn new() -> Self {
@@ -25,27 +42,23 @@ impl Sandbox for Counter {
 
     fn update(&mut self, message: Message) {
         match message {
-            Message::IncrementPressed => {
-                self.value += 1;
-            }
-            Message::DecrementPressed => {
-                self.value -= 1;
+            Message::DisplacementChanged(displacement) => {
+                self.set_displacement(&displacement);
             }
         }
     }
 
     fn view(&self) -> Element<Self::Message> {
-        column![
-            button("+").on_press(Message::IncrementPressed),
-            text(self.value).size(50),
-            button("-").on_press(Message::DecrementPressed),
-        ]
+        column![text_input(
+            "placeholder",
+            &self.ui.displacement,
+            Message::DisplacementChanged,
+        ),]
         .into()
     }
 }
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone)]
 pub enum Message {
-    IncrementPressed,
-    DecrementPressed,
+    DisplacementChanged(String),
 }