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Add support for F16-F24 (#641)

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* Added support for F16-F19 keys.

* Documented support for F16-F19 keys

* Added support for F20 key

* Added support for F21-F24 on platforms except macOs

* Added support for F21-F24 on macOs

* Documented addition of F16-F24 keys

* Added missing ref qualifier

* Fixed compilation error on 1.24.1

* Refactored methods in macOs events_loop and view files
This commit is contained in:
Kirill Chibisov 2018-09-12 20:04:16 +03:00 • committed by Francesca Frangipane
parent bb66b7f28e
commit 5a0bc016e7
8 changed files with 91 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/platform/macos/events_loop.rs
View file

@ -610,7 +610,7 @@ pub fn to_virtual_key_code(code: c_ushort) -> Option<events::VirtualKeyCode> {
0x3d => events::VirtualKeyCode::RAlt,
0x3e => events::VirtualKeyCode::RControl,
//0x3f => Fn key,
//0x40 => F17 Key,
0x40 => events::VirtualKeyCode::F17,
0x41 => events::VirtualKeyCode::Decimal,
//0x42 -> unkown,
0x43 => events::VirtualKeyCode::Multiply,
@ -625,8 +625,8 @@ pub fn to_virtual_key_code(code: c_ushort) -> Option<events::VirtualKeyCode> {
0x4c => events::VirtualKeyCode::NumpadEnter,
//0x4d => unkown,
0x4e => events::VirtualKeyCode::Subtract,
//0x4f => F18 key,
//0x50 => F19 Key,
0x4f => events::VirtualKeyCode::F18,
0x50 => events::VirtualKeyCode::F19,
0x51 => events::VirtualKeyCode::NumpadEquals,
0x52 => events::VirtualKeyCode::Numpad0,
0x53 => events::VirtualKeyCode::Numpad1,
@ -636,7 +636,7 @@ pub fn to_virtual_key_code(code: c_ushort) -> Option<events::VirtualKeyCode> {
0x57 => events::VirtualKeyCode::Numpad5,
0x58 => events::VirtualKeyCode::Numpad6,
0x59 => events::VirtualKeyCode::Numpad7,
//0x5a => F20 Key,
0x5a => events::VirtualKeyCode::F20,
0x5b => events::VirtualKeyCode::Numpad8,
0x5c => events::VirtualKeyCode::Numpad9,
//0x5d => unkown,
@ -652,7 +652,7 @@ pub fn to_virtual_key_code(code: c_ushort) -> Option<events::VirtualKeyCode> {
0x67 => events::VirtualKeyCode::F11,
//0x68 => unkown,
0x69 => events::VirtualKeyCode::F13,
//0x6a => F16 Key,
0x6a => events::VirtualKeyCode::F16,
0x6b => events::VirtualKeyCode::F14,
//0x6c => unkown,
0x6d => events::VirtualKeyCode::F10,
@ -680,6 +680,23 @@ pub fn to_virtual_key_code(code: c_ushort) -> Option<events::VirtualKeyCode> {
})
}
pub fn check_additional_virtual_key_codes(
s: &Option<String>
) -> Option<events::VirtualKeyCode> {
if let &Some(ref s) = s {
if let Some(ch) = s.encode_utf16().next() {
return Some(match ch {
0xf718 => events::VirtualKeyCode::F21,
0xf719 => events::VirtualKeyCode::F22,
0xf71a => events::VirtualKeyCode::F23,
0xf71b => events::VirtualKeyCode::F24,
_ => return None,
})
}
}
None
}
pub fn event_mods(event: cocoa::base::id) -> ModifiersState {
let flags = unsafe {
NSEvent::modifierFlags(event)

43
src/platform/macos/view.rs
View file

@ -14,7 +14,7 @@ use objc::declare::ClassDecl;
use objc::runtime::{Class, Object, Protocol, Sel, BOOL, YES};
use {ElementState, Event, KeyboardInput, MouseButton, WindowEvent, WindowId};
use platform::platform::events_loop::{DEVICE_ID, event_mods, Shared, to_virtual_key_code};
use platform::platform::events_loop::{DEVICE_ID, event_mods, Shared, to_virtual_key_code, check_additional_virtual_key_codes};
use platform::platform::util;
use platform::platform::ffi::*;
use platform::platform::window::{get_window_id, IdRef};
@ -344,6 +344,18 @@ extern fn do_command_by_selector(this: &Object, _sel: Sel, command: Sel) {
}
}
fn get_characters(event: id) -> Option<String> {
unsafe {
let characters: id = msg_send![event, characters];
let slice = slice::from_raw_parts(
characters.UTF8String() as *const c_uchar,
characters.len(),
);
let string = str::from_utf8_unchecked(slice);
Some(string.to_owned())
}
}
extern fn key_down(this: &Object, _sel: Sel, event: id) {
//println!("keyDown");
unsafe {
@ -351,8 +363,16 @@ extern fn key_down(this: &Object, _sel: Sel, event: id) {
let state = &mut *(state_ptr as *mut ViewState);
let window_id = WindowId(get_window_id(state.window));
state.raw_characters = get_characters(event);
let keycode: c_ushort = msg_send![event, keyCode];
let virtual_keycode = to_virtual_key_code(keycode);
// We are checking here for F21-F24 keys, since their keycode
// can vary, but we know that they are encoded
// in characters property.
let virtual_keycode = to_virtual_key_code(keycode)
.or_else(|| {
check_additional_virtual_key_codes(&state.raw_characters)
});
let scancode = keycode as u32;
let is_repeat = msg_send![event, isARepeat];
@ -369,16 +389,6 @@ extern fn key_down(this: &Object, _sel: Sel, event: id) {
},
};
state.raw_characters = {
let characters: id = msg_send![event, characters];
let slice = slice::from_raw_parts(
characters.UTF8String() as *const c_uchar,
characters.len(),
);
let string = str::from_utf8_unchecked(slice);
Some(string.to_owned())
};
if let Some(shared) = state.shared.upgrade() {
shared.pending_events
.lock()
@ -416,8 +426,15 @@ extern fn key_up(this: &Object, _sel: Sel, event: id) {
state.last_insert = None;
// We need characters here to check for additional keys such as
// F21-F24.
let characters = get_characters(event);
let keycode: c_ushort = msg_send![event, keyCode];
let virtual_keycode = to_virtual_key_code(keycode);
let virtual_keycode = to_virtual_key_code(keycode)
.or_else(|| {
check_additional_virtual_key_codes(&characters)
});
let scancode = keycode as u32;
let window_event = Event::WindowEvent {
window_id: WindowId(get_window_id(state.window)),