r3bl_tui 0.1.2

/*
 *   Copyright (c) 2022 R3BL LLC
 *   All rights reserved.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

use crossterm::event::*;
use r3bl_rs_utils_core::*;
use serde::{Deserialize, Serialize};

use crate::*;

#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize, Copy)]
pub struct MouseInput {
  pub pos: Position,
  pub kind: MouseInputKind,
  pub maybe_modifier_keys: Option<ModifierKeysMask>,
}

#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize, Copy)]
pub enum MouseInputKind {
  MouseDown(Button),
  MouseUp(Button),
  MouseMove,
  MouseDrag(Button),
  ScrollUp,
  ScrollDown,
}

#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize, Copy)]
pub enum Button {
  Left,
  Right,
  Middle,
}

impl From<MouseEvent> for MouseInput {
  fn from(mouse_event: MouseEvent) -> Self {
    let pos: Position = position!(col:mouse_event.column, row:mouse_event.row);
    let maybe_modifier_keys: Option<ModifierKeysMask> = convert_key_modifiers(&mouse_event.modifiers);
    let kind: MouseInputKind = mouse_event.kind.into();
    MouseInput {
      pos,
      kind,
      maybe_modifier_keys,
    }
  }
}

impl From<MouseEventKind> for MouseInputKind {
  fn from(mouse_event_kind: MouseEventKind) -> Self {
    match mouse_event_kind {
      MouseEventKind::Down(button) => MouseInputKind::MouseDown(button.into()),
      MouseEventKind::Up(button) => MouseInputKind::MouseUp(button.into()),
      MouseEventKind::Moved => MouseInputKind::MouseMove,
      MouseEventKind::Drag(button) => MouseInputKind::MouseDrag(button.into()),
      MouseEventKind::ScrollUp => MouseInputKind::ScrollUp,
      MouseEventKind::ScrollDown => MouseInputKind::ScrollDown,
    }
  }
}

impl From<MouseButton> for Button {
  fn from(mouse_button: MouseButton) -> Self {
    match mouse_button {
      MouseButton::Left => Button::Left,
      MouseButton::Right => Button::Right,
      MouseButton::Middle => Button::Middle,
    }
  }
}