use std::os::raw::c_ushort;
use cocoa::{
appkit::{NSEvent, NSEventModifierFlags},
base::id,
};
use crate::{
dpi::LogicalSize,
event::{ElementState, Event, KeyboardInput, ModifiersState, VirtualKeyCode, WindowEvent},
platform_impl::platform::{
util::{IdRef, Never},
DEVICE_ID,
},
};
#[derive(Debug)]
pub enum EventWrapper {
StaticEvent(Event<'static, Never>),
EventProxy(EventProxy),
}
#[derive(Debug, PartialEq)]
pub enum EventProxy {
DpiChangedProxy {
ns_window: IdRef,
suggested_size: LogicalSize<f64>,
scale_factor: f64,
},
}
pub fn char_to_keycode(c: char) -> Option<VirtualKeyCode> {
Some(match c {
'a' | 'A' => VirtualKeyCode::A,
'b' | 'B' => VirtualKeyCode::B,
'c' | 'C' => VirtualKeyCode::C,
'd' | 'D' => VirtualKeyCode::D,
'e' | 'E' => VirtualKeyCode::E,
'f' | 'F' => VirtualKeyCode::F,
'g' | 'G' => VirtualKeyCode::G,
'h' | 'H' => VirtualKeyCode::H,
'i' | 'I' => VirtualKeyCode::I,
'j' | 'J' => VirtualKeyCode::J,
'k' | 'K' => VirtualKeyCode::K,
'l' | 'L' => VirtualKeyCode::L,
'm' | 'M' => VirtualKeyCode::M,
'n' | 'N' => VirtualKeyCode::N,
'o' | 'O' => VirtualKeyCode::O,
'p' | 'P' => VirtualKeyCode::P,
'q' | 'Q' => VirtualKeyCode::Q,
'r' | 'R' => VirtualKeyCode::R,
's' | 'S' => VirtualKeyCode::S,
't' | 'T' => VirtualKeyCode::T,
'u' | 'U' => VirtualKeyCode::U,
'v' | 'V' => VirtualKeyCode::V,
'w' | 'W' => VirtualKeyCode::W,
'x' | 'X' => VirtualKeyCode::X,
'y' | 'Y' => VirtualKeyCode::Y,
'z' | 'Z' => VirtualKeyCode::Z,
'1' | '!' => VirtualKeyCode::Key1,
'2' | '@' => VirtualKeyCode::Key2,
'3' | '#' => VirtualKeyCode::Key3,
'4' | '$' => VirtualKeyCode::Key4,
'5' | '%' => VirtualKeyCode::Key5,
'6' | '^' => VirtualKeyCode::Key6,
'7' | '&' => VirtualKeyCode::Key7,
'8' | '*' => VirtualKeyCode::Key8,
'9' | '(' => VirtualKeyCode::Key9,
'0' | ')' => VirtualKeyCode::Key0,
'=' | '+' => VirtualKeyCode::Equals,
'-' | '_' => VirtualKeyCode::Minus,
']' | '}' => VirtualKeyCode::RBracket,
'[' | '{' => VirtualKeyCode::LBracket,
'\'' | '"' => VirtualKeyCode::Apostrophe,
';' | ':' => VirtualKeyCode::Semicolon,
'\\' | '|' => VirtualKeyCode::Backslash,
',' | '<' => VirtualKeyCode::Comma,
'/' | '?' => VirtualKeyCode::Slash,
'.' | '>' => VirtualKeyCode::Period,
'`' | '~' => VirtualKeyCode::Grave,
_ => return None,
})
}
pub fn scancode_to_keycode(scancode: c_ushort) -> Option<VirtualKeyCode> {
Some(match scancode {
0x00 => VirtualKeyCode::A,
0x01 => VirtualKeyCode::S,
0x02 => VirtualKeyCode::D,
0x03 => VirtualKeyCode::F,
0x04 => VirtualKeyCode::H,
0x05 => VirtualKeyCode::G,
0x06 => VirtualKeyCode::Z,
0x07 => VirtualKeyCode::X,
0x08 => VirtualKeyCode::C,
0x09 => VirtualKeyCode::V,
0x0b => VirtualKeyCode::B,
0x0c => VirtualKeyCode::Q,
0x0d => VirtualKeyCode::W,
0x0e => VirtualKeyCode::E,
0x0f => VirtualKeyCode::R,
0x10 => VirtualKeyCode::Y,
0x11 => VirtualKeyCode::T,
0x12 => VirtualKeyCode::Key1,
0x13 => VirtualKeyCode::Key2,
0x14 => VirtualKeyCode::Key3,
0x15 => VirtualKeyCode::Key4,
0x16 => VirtualKeyCode::Key6,
0x17 => VirtualKeyCode::Key5,
0x18 => VirtualKeyCode::Equals,
0x19 => VirtualKeyCode::Key9,
0x1a => VirtualKeyCode::Key7,
0x1b => VirtualKeyCode::Minus,
0x1c => VirtualKeyCode::Key8,
0x1d => VirtualKeyCode::Key0,
0x1e => VirtualKeyCode::RBracket,
0x1f => VirtualKeyCode::O,
0x20 => VirtualKeyCode::U,
0x21 => VirtualKeyCode::LBracket,
0x22 => VirtualKeyCode::I,
0x23 => VirtualKeyCode::P,
0x24 => VirtualKeyCode::Return,
0x25 => VirtualKeyCode::L,
0x26 => VirtualKeyCode::J,
0x27 => VirtualKeyCode::Apostrophe,
0x28 => VirtualKeyCode::K,
0x29 => VirtualKeyCode::Semicolon,
0x2a => VirtualKeyCode::Backslash,
0x2b => VirtualKeyCode::Comma,
0x2c => VirtualKeyCode::Slash,
0x2d => VirtualKeyCode::N,
0x2e => VirtualKeyCode::M,
0x2f => VirtualKeyCode::Period,
0x30 => VirtualKeyCode::Tab,
0x31 => VirtualKeyCode::Space,
0x32 => VirtualKeyCode::Grave,
0x33 => VirtualKeyCode::Back,
0x35 => VirtualKeyCode::Escape,
0x36 => VirtualKeyCode::RWin,
0x37 => VirtualKeyCode::LWin,
0x38 => VirtualKeyCode::LShift,
0x3a => VirtualKeyCode::LAlt,
0x3b => VirtualKeyCode::LControl,
0x3c => VirtualKeyCode::RShift,
0x3d => VirtualKeyCode::RAlt,
0x3e => VirtualKeyCode::RControl,
0x40 => VirtualKeyCode::F17,
0x41 => VirtualKeyCode::NumpadDecimal,
0x43 => VirtualKeyCode::NumpadMultiply,
0x45 => VirtualKeyCode::NumpadAdd,
0x47 => VirtualKeyCode::Numlock,
0x49 => VirtualKeyCode::VolumeUp,
0x4a => VirtualKeyCode::VolumeDown,
0x4b => VirtualKeyCode::NumpadDivide,
0x4c => VirtualKeyCode::NumpadEnter,
0x4e => VirtualKeyCode::NumpadSubtract,
0x4f => VirtualKeyCode::F18,
0x50 => VirtualKeyCode::F19,
0x51 => VirtualKeyCode::NumpadEquals,
0x52 => VirtualKeyCode::Numpad0,
0x53 => VirtualKeyCode::Numpad1,
0x54 => VirtualKeyCode::Numpad2,
0x55 => VirtualKeyCode::Numpad3,
0x56 => VirtualKeyCode::Numpad4,
0x57 => VirtualKeyCode::Numpad5,
0x58 => VirtualKeyCode::Numpad6,
0x59 => VirtualKeyCode::Numpad7,
0x5a => VirtualKeyCode::F20,
0x5b => VirtualKeyCode::Numpad8,
0x5c => VirtualKeyCode::Numpad9,
0x5d => VirtualKeyCode::Yen,
0x60 => VirtualKeyCode::F5,
0x61 => VirtualKeyCode::F6,
0x62 => VirtualKeyCode::F7,
0x63 => VirtualKeyCode::F3,
0x64 => VirtualKeyCode::F8,
0x65 => VirtualKeyCode::F9,
0x67 => VirtualKeyCode::F11,
0x69 => VirtualKeyCode::F13,
0x6a => VirtualKeyCode::F16,
0x6b => VirtualKeyCode::F14,
0x6d => VirtualKeyCode::F10,
0x6f => VirtualKeyCode::F12,
0x71 => VirtualKeyCode::F15,
0x72 => VirtualKeyCode::Insert,
0x73 => VirtualKeyCode::Home,
0x74 => VirtualKeyCode::PageUp,
0x75 => VirtualKeyCode::Delete,
0x76 => VirtualKeyCode::F4,
0x77 => VirtualKeyCode::End,
0x78 => VirtualKeyCode::F2,
0x79 => VirtualKeyCode::PageDown,
0x7a => VirtualKeyCode::F1,
0x7b => VirtualKeyCode::Left,
0x7c => VirtualKeyCode::Right,
0x7d => VirtualKeyCode::Down,
0x7e => VirtualKeyCode::Up,
0xa => VirtualKeyCode::Caret,
_ => return None,
})
}
pub fn check_function_keys(string: &str) -> Option<VirtualKeyCode> {
if let Some(ch) = string.encode_utf16().next() {
return Some(match ch {
0xf718 => VirtualKeyCode::F21,
0xf719 => VirtualKeyCode::F22,
0xf71a => VirtualKeyCode::F23,
0xf71b => VirtualKeyCode::F24,
_ => return None,
});
}
None
}
pub fn event_mods(event: id) -> ModifiersState {
let flags = unsafe { NSEvent::modifierFlags(event) };
let mut m = ModifiersState::empty();
m.set(
ModifiersState::SHIFT,
flags.contains(NSEventModifierFlags::NSShiftKeyMask),
);
m.set(
ModifiersState::CTRL,
flags.contains(NSEventModifierFlags::NSControlKeyMask),
);
m.set(
ModifiersState::ALT,
flags.contains(NSEventModifierFlags::NSAlternateKeyMask),
);
m.set(
ModifiersState::LOGO,
flags.contains(NSEventModifierFlags::NSCommandKeyMask),
);
m
}
pub fn get_scancode(event: cocoa::base::id) -> c_ushort {
unsafe { msg_send![event, keyCode] }
}
pub unsafe fn modifier_event(
ns_event: id,
keymask: NSEventModifierFlags,
was_key_pressed: bool,
) -> Option<WindowEvent<'static>> {
if !was_key_pressed && NSEvent::modifierFlags(ns_event).contains(keymask)
|| was_key_pressed && !NSEvent::modifierFlags(ns_event).contains(keymask)
{
let state = if was_key_pressed {
ElementState::Released
} else {
ElementState::Pressed
};
let scancode = get_scancode(ns_event);
let virtual_keycode = scancode_to_keycode(scancode);
#[allow(deprecated)]
Some(WindowEvent::KeyboardInput {
device_id: DEVICE_ID,
input: KeyboardInput {
state,
scancode: scancode as _,
virtual_keycode,
modifiers: event_mods(ns_event),
},
is_synthetic: false,
})
} else {
None
}
}