rsvim_core 0.1.2

The core library for RSVIM text editor.
Documentation 
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//! Cursor widget.

use crate::inode_impl;
use crate::prelude::*;
use crate::ui::canvas::{self, Canvas, CursorStyle};
use crate::ui::tree::*;
use crate::ui::widget::Widgetable;

use std::fmt::Debug;

#[derive(Debug, Clone, Copy)]
/// Cursor widget.
pub struct Cursor {
  base: InodeBase,
  blinking: bool,
  hidden: bool,
  style: CursorStyle,
}

impl Cursor {
  pub fn new(
    shape: IRect,
    blinking: bool,
    hidden: bool,
    style: CursorStyle,
  ) -> Self {
    Cursor {
      base: InodeBase::new(shape),
      blinking,
      hidden,
      style,
    }
  }

  pub fn default(shape: IRect) -> Self {
    Cursor {
      base: InodeBase::new(shape),
      blinking: false,
      hidden: false,
      style: CursorStyle::SteadyBlock,
    }
  }

  pub fn blinking(&self) -> bool {
    self.blinking
  }

  pub fn set_blinking(&mut self, value: bool) {
    self.blinking = value;
  }

  pub fn hidden(&self) -> bool {
    self.hidden
  }

  pub fn set_hidden(&mut self, value: bool) {
    self.hidden = value;
  }

  pub fn style(&self) -> &CursorStyle {
    &self.style
  }

  pub fn set_style(&mut self, value: &CursorStyle) {
    self.style = *value;
  }
}

inode_impl!(Cursor, base);

impl Widgetable for Cursor {
  fn draw(&self, canvas: &mut Canvas) {
    let actual_shape = self.actual_shape();
    let pos: U16Pos = actual_shape.min().into();
    // trace!(
    //   "draw, actual shape:{:?}, top-left pos:{:?}",
    //   actual_shape, pos
    // );

    canvas.frame_mut().set_cursor(canvas::Cursor::new(
      pos,
      self.blinking,
      self.hidden,
      self.style,
    ));
  }
}