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-rw-r--r--native/src/widget/text_input.rs149
1 files changed, 149 insertions, 0 deletions
diff --git a/native/src/widget/text_input.rs b/native/src/widget/text_input.rs
new file mode 100644
index 00000000..d9837b61
--- /dev/null
+++ b/native/src/widget/text_input.rs
@@ -0,0 +1,149 @@
+use crate::{
+ input::{keyboard, mouse, ButtonState},
+ Element, Event, Hasher, Layout, Length, Node, Point, Rectangle, Style,
+ Widget,
+};
+
+pub use iced_core::{text_input::State, TextInput};
+
+impl<'a, Message, Renderer> Widget<Message, Renderer> for TextInput<'a, Message>
+where
+ Renderer: self::Renderer,
+ Message: Clone + std::fmt::Debug,
+{
+ fn node(&self, renderer: &Renderer) -> Node {
+ let text_bounds =
+ Node::new(Style::default().width(Length::Fill).height(
+ Length::Units(self.size.unwrap_or(renderer.default_size())),
+ ));
+
+ Node::with_children(
+ Style::default()
+ .width(self.width)
+ .max_width(self.width)
+ .padding(self.padding),
+ vec![text_bounds],
+ )
+ }
+
+ fn on_event(
+ &mut self,
+ event: Event,
+ layout: Layout<'_>,
+ cursor_position: Point,
+ messages: &mut Vec<Message>,
+ _renderer: &Renderer,
+ ) {
+ match event {
+ Event::Mouse(mouse::Event::Input {
+ button: mouse::Button::Left,
+ state: ButtonState::Pressed,
+ }) => {
+ self.state.is_focused =
+ layout.bounds().contains(cursor_position);
+ }
+ Event::Keyboard(keyboard::Event::CharacterReceived(c))
+ if self.state.is_focused && !c.is_control() =>
+ {
+ let cursor_position = self.state.cursor_position(&self.value);
+
+ self.value.insert(cursor_position, c);
+ self.state.move_cursor_right(&self.value);
+
+ let message = (self.on_change)(self.value.to_string());
+ messages.push(message);
+ }
+ Event::Keyboard(keyboard::Event::Input {
+ key_code,
+ state: ButtonState::Pressed,
+ }) if self.state.is_focused => match key_code {
+ keyboard::KeyCode::Enter => {
+ if let Some(on_submit) = self.on_submit.clone() {
+ messages.push(on_submit);
+ }
+ }
+ keyboard::KeyCode::Backspace => {
+ let cursor_position =
+ self.state.cursor_position(&self.value);
+
+ if cursor_position > 0 {
+ self.state.move_cursor_left(&self.value);
+
+ let _ = self.value.remove(cursor_position - 1);
+
+ let message = (self.on_change)(self.value.to_string());
+ messages.push(message);
+ }
+ }
+ keyboard::KeyCode::Delete => {
+ let cursor_position =
+ self.state.cursor_position(&self.value);
+
+ if cursor_position < self.value.len() {
+ let _ = self.value.remove(cursor_position);
+
+ let message = (self.on_change)(self.value.to_string());
+ messages.push(message);
+ }
+ }
+ keyboard::KeyCode::Left => {
+ self.state.move_cursor_left(&self.value);
+ }
+ keyboard::KeyCode::Right => {
+ self.state.move_cursor_right(&self.value);
+ }
+ _ => {}
+ },
+ _ => {}
+ }
+ }
+
+ fn draw(
+ &self,
+ renderer: &mut Renderer,
+ layout: Layout<'_>,
+ cursor_position: Point,
+ ) -> Renderer::Output {
+ let bounds = layout.bounds();
+ let text_bounds = layout.children().next().unwrap().bounds();
+
+ renderer.draw(&self, bounds, text_bounds, cursor_position)
+ }
+
+ fn hash_layout(&self, state: &mut Hasher) {
+ use std::any::TypeId;
+ use std::hash::Hash;
+
+ TypeId::of::<TextInput<'static, ()>>().hash(state);
+
+ self.width.hash(state);
+ self.max_width.hash(state);
+ self.padding.hash(state);
+ self.size.hash(state);
+ }
+}
+
+pub trait Renderer: crate::Renderer + Sized {
+ fn default_size(&self) -> u16;
+
+ fn draw<Message>(
+ &mut self,
+ text_input: &TextInput<'_, Message>,
+ bounds: Rectangle,
+ text_bounds: Rectangle,
+ cursor_position: Point,
+ ) -> Self::Output;
+}
+
+impl<'a, Message, Renderer> From<TextInput<'a, Message>>
+ for Element<'a, Message, Renderer>
+where
+ Renderer: 'static + self::Renderer,
+ Message: 'static + Clone + std::fmt::Debug,
+{
+ fn from(
+ text_input: TextInput<'a, Message>,
+ ) -> Element<'a, Message, Renderer> {
+ Element::new(text_input)
+ }
+}