diff options
Diffstat (limited to 'widget/src/text_input.rs')
-rw-r--r-- | widget/src/text_input.rs | 95 |
1 files changed, 93 insertions, 2 deletions
diff --git a/widget/src/text_input.rs b/widget/src/text_input.rs index 57ebe46a..f2756b5b 100644 --- a/widget/src/text_input.rs +++ b/widget/src/text_input.rs @@ -36,6 +36,7 @@ mod value; pub mod cursor; pub use cursor::Cursor; +use iced_runtime::core::input_method; pub use value::Value; use editor::Editor; @@ -56,8 +57,8 @@ use crate::core::widget::operation::{self, Operation}; use crate::core::widget::tree::{self, Tree}; use crate::core::window; use crate::core::{ - Background, Border, Color, Element, Event, Layout, Length, Padding, Pixels, - Point, Rectangle, Shell, Size, Theme, Vector, Widget, + Background, Border, CaretInfo, Color, Element, Event, Layout, Length, + Padding, Pixels, Point, Rectangle, Shell, Size, Theme, Vector, Widget, }; use crate::runtime::task::{self, Task}; use crate::runtime::Action; @@ -391,6 +392,58 @@ where } } + fn caret_rect( + &self, + tree: &Tree, + layout: Layout<'_>, + value: Option<&Value>, + ) -> Option<Rectangle> { + let state = tree.state.downcast_ref::<State<Renderer::Paragraph>>(); + let value = value.unwrap_or(&self.value); + + let secure_value = self.is_secure.then(|| value.secure()); + let value = secure_value.as_ref().unwrap_or(value); + + let mut children_layout = layout.children(); + let text_bounds = children_layout.next().unwrap().bounds(); + + if let Some(_) = state + .is_focused + .as_ref() + .filter(|focus| focus.is_window_focused) + { + let caret_index = match state.cursor.state(value) { + cursor::State::Index(position) => position, + cursor::State::Selection { start, end } => { + let left = start.min(end); + left + } + }; + let text = state.value.raw(); + let (caret_x, offset) = measure_cursor_and_scroll_offset( + text, + text_bounds, + caret_index, + ); + + let alignment_offset = alignment_offset( + text_bounds.width, + text.min_width(), + self.alignment, + ); + + let x = (text_bounds.x + caret_x).floor(); + Some(Rectangle { + x: (alignment_offset - offset) + x, + y: text_bounds.y, + width: 1.0, + height: text_bounds.height, + }) + } else { + None + } + } + /// Draws the [`TextInput`] with the given [`Renderer`], overriding its /// [`Value`] if provided. /// @@ -1197,6 +1250,31 @@ where state.keyboard_modifiers = *modifiers; } + Event::InputMethod(input_method::Event::Commit(string)) => { + let state = state::<Renderer>(tree); + + if let Some(focus) = &mut state.is_focused { + let Some(on_input) = &self.on_input else { + return; + }; + + state.is_pasting = None; + + let mut editor = + Editor::new(&mut self.value, &mut state.cursor); + + editor.paste(Value::new(&string)); + + let message = (on_input)(editor.contents()); + shell.publish(message); + + focus.updated_at = Instant::now(); + + update_cache(state, &self.value); + + shell.capture_event(); + } + } Event::Window(window::Event::Unfocused) => { let state = state::<Renderer>(tree); @@ -1256,6 +1334,19 @@ where Status::Active }; + shell.update_caret_info(if state.is_focused() { + let rect = self + .caret_rect(tree, layout, Some(&self.value)) + .unwrap_or(Rectangle::with_size(Size::<f32>::default())); + let bottom_left = Point::new(rect.x, rect.y + rect.height); + Some(CaretInfo { + position: bottom_left, + input_method_allowed: true, + }) + } else { + None + }); + if let Event::Window(window::Event::RedrawRequested(_now)) = event { self.last_status = Some(status); } else if self |