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|
use crate::*;
use std::collections::VecDeque;
pub struct InputDevice {
pub wake_flag: bool,
pub mouse_position: ScreenPosition,
pub mouse_button_state: u8,
pub horizontal_scroll_value: u16,
pub vertical_scroll_value: u16,
pub horizontal_scroll_value_delta: f64,
pub vertical_scroll_value_delta: f64,
pub character_queue: VecDeque<u8>,
pub modifier_state: u8,
pub navigation_state: u8,
}
impl InputDevice {
pub fn new() -> Self {
Self {
wake_flag: false,
mouse_position: ScreenPosition::ZERO,
mouse_button_state: 0x00,
horizontal_scroll_value: 0x0000,
vertical_scroll_value: 0x0000,
horizontal_scroll_value_delta: 0.0,
vertical_scroll_value_delta: 0.0,
character_queue: VecDeque::new(),
modifier_state: 0x00,
navigation_state: 0x00,
}
}
pub fn mouse_button_action(&mut self, mask: u8, action: phosphor::Action) {
let new_button_state = match action {
phosphor::Action::Pressed => self.mouse_button_state | mask,
phosphor::Action::Released => self.mouse_button_state & !mask,
};
if new_button_state != self.mouse_button_state {
self.mouse_button_state = new_button_state;
self.wake_flag = true;
}
}
pub fn move_mouse(&mut self, new_mouse_position: ScreenPosition) {
let old_mouse_position = self.mouse_position;
if new_mouse_position != old_mouse_position {
self.mouse_position = new_mouse_position;
self.wake_flag = true;
}
}
pub fn on_scroll_horizontal(&mut self, delta: f64) {
self.horizontal_scroll_value_delta += delta;
while self.horizontal_scroll_value_delta > 20.0 {
self.horizontal_scroll_value += 1;
self.horizontal_scroll_value_delta -= 20.0;
self.wake_flag = true;
}
while self.horizontal_scroll_value_delta < -20.0 {
self.horizontal_scroll_value -= 1;
self.horizontal_scroll_value_delta += 20.0;
self.wake_flag = true;
}
}
pub fn on_scroll_vertical(&mut self, delta: f64) {
self.vertical_scroll_value_delta += delta;
while self.vertical_scroll_value_delta > 20.0 {
self.vertical_scroll_value += 1;
self.vertical_scroll_value_delta -= 20.0;
self.wake_flag = true;
}
while self.vertical_scroll_value_delta < -20.0 {
self.vertical_scroll_value -= 1;
self.vertical_scroll_value_delta += 20.0;
self.wake_flag = true;
}
}
pub fn on_character_input(&mut self, input: char) {
if let Ok(ascii) = u8::try_from(u32::from(input)) {
self.character_queue.push_back(ascii);
self.wake_flag = true;
}
}
pub fn on_keyboard_input(&mut self, input: phosphor::KeyboardInput) {
let tab = self.modifier_state & 0x40 != 0;
let mask = match input.key {
phosphor::KeyCode::Up => 0x80,
phosphor::KeyCode::Down => 0x40,
phosphor::KeyCode::Left => 0x20,
phosphor::KeyCode::Right => 0x10,
phosphor::KeyCode::Tab => match tab { false => 0x08, true => 0x04 },
phosphor::KeyCode::Return => 0x02,
phosphor::KeyCode::Escape => 0x01,
_ => return,
};
let new_navigation_state = match input.action {
phosphor::Action::Pressed => self.navigation_state | mask,
phosphor::Action::Released => self.navigation_state & !mask,
};
if new_navigation_state != self.navigation_state {
self.navigation_state = new_navigation_state;
self.wake_flag = true;
}
}
pub fn on_modifier_change(&mut self, modifiers: phosphor::ModifiersState) {
let mut new_modifier_state = 0x00;
if modifiers.ctrl() { new_modifier_state |= 0x80 }
if modifiers.shift() { new_modifier_state |= 0x40 }
if modifiers.alt() { new_modifier_state |= 0x20 }
if modifiers.logo() { new_modifier_state |= 0x10 }
if new_modifier_state != self.modifier_state {
self.modifier_state = new_modifier_state;
self.wake_flag = true;
}
}
}
|
