leyoda/winit
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

On Macos, Hide cursor only inside window (#1348)

Browse source 
* On MacOS, hide cursor by invisible cursor

* Add CHANGELOG

* Fix variable name

* Add comments for `CURSOR_BYTES`
This commit is contained in:
hatoo 2020-01-03 09:34:14 +09:00 • committed by Bogaevsky
parent dd768fe655
commit 7367b8be6c
4 changed files with 82 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/platform_impl/macos/util/cursor.rs
View file

@ -3,7 +3,8 @@ use cocoa::{
base::{id, nil},
foundation::{NSDictionary, NSPoint, NSString},
};
use objc::runtime::Sel;
use objc::{runtime::Sel, runtime::NO};
use std::cell::RefCell;
use crate::window::CursorIcon;
@ -126,3 +127,38 @@ pub unsafe fn load_webkit_cursor(cursor_name: &str) -> id {
hotSpot:point
]
}
pub unsafe fn invisible_cursor() -> id {
// 16x16 GIF data for invisible cursor
// You can reproduce this via ImageMagick.
// $ convert -size 16x16 xc:none cursor.gif
static CURSOR_BYTES: &[u8] = &[
0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x10, 0x00, 0x10, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x21, 0xF9, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00, 0x2C, 0x00, 0x00,
0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x02, 0x0E, 0x84, 0x8F, 0xA9, 0xCB, 0xED, 0x0F,
0xA3, 0x9C, 0xB4, 0xDA, 0x8B, 0xB3, 0x3E, 0x05, 0x00, 0x3B,
];
thread_local! {
// We can't initialize this at startup.
static CURSOR_OBJECT: RefCell<id> = RefCell::new(nil);
}
CURSOR_OBJECT.with(|cursor_obj| {
if *cursor_obj.borrow() == nil {
// Create a cursor from `CURSOR_BYTES`
let cursor_data: id = msg_send![class!(NSData),
dataWithBytesNoCopy:CURSOR_BYTES as *const [u8]
length:CURSOR_BYTES.len()
freeWhenDone:NO
];
let ns_image: id = msg_send![class!(NSImage), alloc];
let _: id = msg_send![ns_image, initWithData: cursor_data];
let cursor: id = msg_send![class!(NSCursor), alloc];
*cursor_obj.borrow_mut() =
msg_send![cursor, initWithImage:ns_image hotSpot: NSPoint::new(0.0, 0.0)];
}
*cursor_obj.borrow()
})
}