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@@ -0,0 +1,464 @@
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+use std::{collections::HashMap, io::stdout};
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+
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+use crossterm::{cursor::MoveTo, execute};
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+use dioxus_html::{input_data::keyboard_types::Key, KeyboardData, MouseData};
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+use dioxus_native_core::{
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+ node::OwnedAttributeDiscription,
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+ node_ref::AttributeMask,
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+ prelude::{ElementNode, NodeType},
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+ real_dom::{ElementNodeMut, NodeImmutable, NodeMut, NodeTypeMut, RealDom},
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+ utils::{
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+ cursor::{Cursor, Pos},
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+ widget_watcher::Widget,
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+ },
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+ NodeId,
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+};
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+use shipyard::UniqueView;
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+use taffy::geometry::Point;
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+
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+use crate::{query::get_layout, Event, EventData, FormData, Query};
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+
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+use super::{RinkWidget, WidgetContext};
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+
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+#[derive(Debug, Default)]
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+pub(crate) struct Number {
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+ text: String,
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+ div_wrapper: NodeId,
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+ pre_cursor_text: NodeId,
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+ highlighted_text: NodeId,
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+ post_cursor_text: NodeId,
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+ cursor: Cursor,
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+ dragging: bool,
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+ border: bool,
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+ max_len: Option<usize>,
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+}
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+
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+impl Number {
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+ fn width(el: &ElementNodeMut) -> String {
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+ if let Some(value) = el
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+ .get_attribute(&OwnedAttributeDiscription {
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+ name: "width".to_string(),
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+ namespace: Some("style".to_string()),
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+ })
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+ .and_then(|value| value.as_text())
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+ .map(|value| value.to_string())
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+ {
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+ value
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+ } else {
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+ "1px".to_string()
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+ }
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+ }
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+
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+ fn height(el: &ElementNodeMut) -> String {
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+ if let Some(value) = el
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+ .get_attribute(&OwnedAttributeDiscription {
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+ name: "height".to_string(),
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+ namespace: Some("style".to_string()),
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+ })
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+ .and_then(|value| value.as_text())
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+ .map(|value| value.to_string())
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+ {
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+ value
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+ } else {
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+ "1px".to_string()
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+ }
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+ }
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+
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+ fn update_max_width_attr(&mut self, el: &ElementNodeMut) {
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+ if let Some(value) = el
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+ .get_attribute(&OwnedAttributeDiscription {
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+ name: "maxlength".to_string(),
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+ namespace: None,
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+ })
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+ .and_then(|value| value.as_text())
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+ .map(|value| value.to_string())
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+ {
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+ if let Ok(max_len) = value.parse::<usize>() {
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+ self.max_len = Some(max_len);
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+ }
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+ }
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+ }
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+
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+ fn update_size_attr(&mut self, el: &mut ElementNodeMut) {
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+ let width = Self::width(el);
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+ let height = Self::height(el);
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+ let single_char = width
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+ .strip_prefix("px")
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+ .and_then(|n| n.parse::<u32>().ok().filter(|num| *num > 3))
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+ .is_some()
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+ || height
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+ .strip_prefix("px")
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+ .and_then(|n| n.parse::<u32>().ok().filter(|num| *num > 3))
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+ .is_some();
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+ self.border = !single_char;
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+ let border_style = if self.border { "solid" } else { "none" };
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+ el.set_attribute(
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+ OwnedAttributeDiscription {
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+ name: "border-style".to_string(),
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+ namespace: Some("style".to_string()),
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+ },
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+ border_style.to_string(),
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+ );
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+ }
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+
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+ fn update_value_attr(&mut self, el: &ElementNodeMut) {
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+ if let Some(value) = el
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+ .get_attribute(&OwnedAttributeDiscription {
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+ name: "value".to_string(),
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+ namespace: None,
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+ })
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+ .and_then(|value| value.as_text())
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+ .map(|value| value.to_string())
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+ {
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+ self.text = value;
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+ }
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+ }
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+
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+ fn write_value(&self, rdom: &mut RealDom, id: NodeId) {
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+ let start_highlight = self.cursor.first().idx(self.text.as_str());
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+ let end_highlight = self.cursor.last().idx(self.text.as_str());
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+ let (text_before_first_cursor, text_after_first_cursor) =
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+ self.text.split_at(start_highlight);
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+ let (text_highlighted, text_after_second_cursor) =
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+ text_after_first_cursor.split_at(end_highlight - start_highlight);
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+
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+ if let Some(mut text) = rdom.get_mut(self.pre_cursor_text) {
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+ let node_type = text.node_type_mut();
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+ let NodeTypeMut::Text(mut text) = node_type else { panic!("input must be an element") };
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+ *text.text_mut() = text_before_first_cursor.to_string();
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+ }
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+
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+ if let Some(mut text) = rdom.get_mut(self.highlighted_text) {
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+ let node_type = text.node_type_mut();
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+ let NodeTypeMut::Text(mut text) = node_type else { panic!("input must be an element") };
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+ *text.text_mut() = text_highlighted.to_string();
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+ }
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+
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+ if let Some(mut text) = rdom.get_mut(self.post_cursor_text) {
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+ let node_type = text.node_type_mut();
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+ let NodeTypeMut::Text(mut text) = node_type else { panic!("input must be an element") };
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+ *text.text_mut() = text_after_second_cursor.to_string();
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+ }
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+
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+ // send the event
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+ {
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+ let world = rdom.raw_world_mut();
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+ let data = FormData {
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+ value: self.text.clone(),
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+ values: HashMap::new(),
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+ files: None,
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+ };
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+ let ctx: UniqueView<WidgetContext> = world.borrow().expect("expected widget context");
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+
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+ ctx.send(Event {
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+ id,
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+ name: "input",
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+ data: EventData::Form(data),
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+ bubbles: true,
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+ });
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+ }
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+ }
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+
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+ fn increase(&mut self) {
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+ let num = self.text.parse::<f64>().unwrap_or(0.0);
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+ self.text = (num + 1.0).to_string();
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+ }
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+
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+ fn decrease(&mut self) {
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+ let num = self.text.parse::<f64>().unwrap_or(0.0);
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+ self.text = (num - 1.0).to_string();
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+ }
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+
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+ fn handle_keydown(&mut self, root: &mut NodeMut, data: &KeyboardData) {
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+ let key = data.key();
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+ let is_text = match key.clone() {
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+ Key::ArrowLeft | Key::ArrowRight | Key::Backspace => true,
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+ Key::Character(c) if c == "." || c == "-" || c.chars().all(|c| c.is_numeric()) => true,
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+ _ => false,
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+ };
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+
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+ if is_text {
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+ let modifiers = data.modifiers();
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+ let code = data.code();
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+
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+ if key == Key::Enter {
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+ return;
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+ }
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+ self.cursor.handle_input(
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+ &code,
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+ &key,
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+ &modifiers,
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+ &mut self.text,
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+ self.max_len.unwrap_or(1000),
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+ );
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+
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+ let id = root.id();
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+
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+ let rdom = root.real_dom_mut();
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+ self.write_value(rdom, id);
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+ let world = rdom.raw_world_mut();
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+
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+ // move cursor to new position
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+ let taffy = {
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+ let query: UniqueView<Query> = world.borrow().unwrap();
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+ query.stretch.clone()
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+ };
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+
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+ let taffy = taffy.lock().unwrap();
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+
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+ let layout = get_layout(rdom.get(self.div_wrapper).unwrap(), &taffy).unwrap();
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+ let Point { x, y } = layout.location;
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+
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+ let Pos { col, row } = self.cursor.start;
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+ let (x, y) = (col as u16 + x as u16, row as u16 + y as u16);
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+ if let Ok(pos) = crossterm::cursor::position() {
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+ if pos != (x, y) {
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+ execute!(stdout(), MoveTo(x, y)).unwrap();
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+ }
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+ } else {
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+ execute!(stdout(), MoveTo(x, y)).unwrap();
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+ }
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+ } else {
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+ match key {
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+ Key::ArrowUp => {
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+ self.increase();
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+ }
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+ Key::ArrowDown => {
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+ self.decrease();
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+ }
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+ _ => (),
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+ }
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+
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+ let id = root.id();
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+ let rdom = root.real_dom_mut();
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+ self.write_value(rdom, id);
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+ }
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+ }
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+
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+ fn handle_mousemove(&mut self, root: &mut NodeMut, data: &MouseData) {
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+ if self.dragging {
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+ let id = root.id();
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+ let offset = data.element_coordinates();
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+ let mut new = Pos::new(offset.x as usize, offset.y as usize);
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+ if self.border {
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+ new.col = new.col.saturating_sub(1);
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+ }
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+ // textboxs are only one line tall
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+ new.row = 0;
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+
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+ if new != self.cursor.start {
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+ self.cursor.end = Some(new);
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+ }
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+ let rdom = root.real_dom_mut();
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+ self.write_value(rdom, id);
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+ }
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+ }
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+
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+ fn handle_mousedown(&mut self, root: &mut NodeMut, data: &MouseData) {
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+ let offset = data.element_coordinates();
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+ let mut new = Pos::new(offset.x as usize, offset.y as usize);
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+ if self.border {
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+ new.col = new.col.saturating_sub(1);
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+ }
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+
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+ // textboxs are only one line tall
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+ new.row = 0;
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+
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+ new.realize_col(self.text.as_str());
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+ self.cursor = Cursor::from_start(new);
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+ self.dragging = true;
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+
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+ let id = root.id();
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+
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+ // move cursor to new position
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+ let rdom = root.real_dom_mut();
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+ let world = rdom.raw_world_mut();
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+ let taffy = {
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+ let query: UniqueView<Query> = world.borrow().unwrap();
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+ query.stretch.clone()
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+ };
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+
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+ let taffy = taffy.lock().unwrap();
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+
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+ let layout = get_layout(rdom.get(self.div_wrapper).unwrap(), &taffy).unwrap();
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+ let Point { x, y } = layout.location;
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+
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+ let Pos { col, row } = self.cursor.start;
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+ let (x, y) = (col as u16 + x as u16, row as u16 + y as u16);
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+ if let Ok(pos) = crossterm::cursor::position() {
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+ if pos != (x, y) {
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+ execute!(stdout(), MoveTo(x, y)).unwrap();
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+ }
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+ } else {
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+ execute!(stdout(), MoveTo(x, y)).unwrap();
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+ }
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+
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+ self.write_value(rdom, id)
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+ }
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+}
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+
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+impl Widget for Number {
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+ const NAME: &'static str = "input";
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+
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+ fn create(root: &mut dioxus_native_core::real_dom::NodeMut<()>) -> Self {
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+ let node_type = root.node_type();
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+ let NodeType::Element(el) = &*node_type else { panic!("input must be an element") };
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+
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+ let value = el
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+ .attributes
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+ .get(&OwnedAttributeDiscription {
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+ name: "value".to_string(),
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+ namespace: None,
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+ })
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+ .and_then(|value| value.as_text())
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+ .map(|value| value.to_string());
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+
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+ drop(node_type);
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+
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+ let rdom = root.real_dom_mut();
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+
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+ let pre_text = rdom.create_node(String::new());
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+ let pre_text_id = pre_text.id();
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+ let highlighted_text = rdom.create_node(String::new());
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+ let highlighted_text_id = highlighted_text.id();
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+ let mut highlighted_text_span = rdom.create_node(NodeType::Element(ElementNode {
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+ tag: "span".to_string(),
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+ attributes: [(
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+ OwnedAttributeDiscription {
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+ name: "background-color".to_string(),
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+ namespace: Some("style".to_string()),
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+ },
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+ "rgba(255, 255, 255, 50%)".to_string().into(),
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+ )]
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+ .into_iter()
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+ .collect(),
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+ ..Default::default()
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+ }));
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+ highlighted_text_span.add_child(highlighted_text_id);
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+ let highlighted_text_span_id = highlighted_text_span.id();
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+ let post_text = rdom.create_node(value.clone().unwrap_or_default());
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+ let post_text_id = post_text.id();
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+ let mut div_wrapper = rdom.create_node(NodeType::Element(ElementNode {
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+ tag: "div".to_string(),
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+ attributes: [(
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+ OwnedAttributeDiscription {
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+ name: "display".to_string(),
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+ namespace: Some("style".to_string()),
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+ },
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+ "flex".to_string().into(),
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+ )]
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+ .into_iter()
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+ .collect(),
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+ ..Default::default()
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+ }));
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+ let div_wrapper_id = div_wrapper.id();
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+ div_wrapper.add_child(pre_text_id);
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+ div_wrapper.add_child(highlighted_text_span_id);
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+ div_wrapper.add_child(post_text_id);
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+
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+ div_wrapper.add_event_listener("mousemove");
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+ div_wrapper.add_event_listener("mousedown");
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+ div_wrapper.add_event_listener("mouseup");
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+ div_wrapper.add_event_listener("mouseleave");
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+ div_wrapper.add_event_listener("mouseenter");
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+ root.add_event_listener("keydown");
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+ root.add_event_listener("focusout");
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+
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+ root.add_child(div_wrapper_id);
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+
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+ Self {
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+ pre_cursor_text: pre_text_id,
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+ highlighted_text: highlighted_text_id,
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+ post_cursor_text: post_text_id,
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+ div_wrapper: div_wrapper_id,
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+ cursor: Cursor::default(),
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+ text: value.unwrap_or_default(),
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+ ..Default::default()
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+ }
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+ }
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+
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+ fn attributes_changed(
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+ &mut self,
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+ mut root: dioxus_native_core::real_dom::NodeMut<()>,
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+ attributes: &dioxus_native_core::node_ref::AttributeMask,
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+ ) {
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+ match attributes {
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+ AttributeMask::All => {
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+ {
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+ let node_type = root.node_type_mut();
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+ let NodeTypeMut::Element(mut el) = node_type else { panic!("input must be an element") };
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+ self.update_value_attr(&el);
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+ self.update_size_attr(&mut el);
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+ self.update_max_width_attr(&el);
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+ }
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+ let id = root.id();
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+ self.write_value(root.real_dom_mut(), id);
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+ }
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+ AttributeMask::Some(attrs) => {
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+ {
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+ let node_type = root.node_type_mut();
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+ let NodeTypeMut::Element(mut el) = node_type else { panic!("input must be an element") };
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+ if attrs.contains("width") || attrs.contains("height") {
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+ self.update_size_attr(&mut el);
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+ }
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+ if attrs.contains("maxlength") {
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|
+ self.update_max_width_attr(&el);
|
|
|
+ }
|
|
|
+ if attrs.contains("value") {
|
|
|
+ self.update_value_attr(&el);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if attrs.contains("value") {
|
|
|
+ let id = root.id();
|
|
|
+ self.write_value(root.real_dom_mut(), id);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+impl RinkWidget for Number {
|
|
|
+ fn handle_event(
|
|
|
+ &mut self,
|
|
|
+ event: &crate::Event,
|
|
|
+ node: &mut dioxus_native_core::real_dom::NodeMut,
|
|
|
+ ) {
|
|
|
+ match event.name {
|
|
|
+ "keydown" => {
|
|
|
+ if let EventData::Keyboard(data) = &event.data {
|
|
|
+ self.handle_keydown(node, data);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ "mousemove" => {
|
|
|
+ if let EventData::Mouse(data) = &event.data {
|
|
|
+ self.handle_mousemove(node, data);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ "mousedown" => {
|
|
|
+ if let EventData::Mouse(data) = &event.data {
|
|
|
+ self.handle_mousedown(node, data);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ "mouseup" => {
|
|
|
+ self.dragging = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ "mouseleave" => {
|
|
|
+ self.dragging = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ "mouseenter" => {
|
|
|
+ self.dragging = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ "focusout" => {
|
|
|
+ execute!(stdout(), MoveTo(0, 1000)).unwrap();
|
|
|
+ }
|
|
|
+
|
|
|
+ _ => {}
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|