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Emscripten (#357)

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* impl modifiers state for emscripten

* impl mouse events emscripten

* impl mousemotion for emscripten

it is useful when cursor is grabbed

* changelog
This commit is contained in:
thiolliere 2017-12-01 11:53:50 +02:00 • committed by tomaka
parent 0f14e63b34
commit 663d615379
3 changed files with 120 additions and 4 deletions
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50
src/platform/emscripten/ffi.rs
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@ -2,7 +2,7 @@
#![allow(non_snake_case)]
#![allow(non_camel_case_types)]
use std::os::raw::{c_int, c_char, c_void, c_ulong, c_double};
use std::os::raw::{c_int, c_char, c_void, c_ulong, c_double, c_long, c_ushort};
pub type EM_BOOL = c_int;
pub type EM_UTF8 = c_char;
@ -76,6 +76,11 @@ pub type em_key_callback_func = Option<unsafe extern "C" fn(
keyEvent: *const EmscriptenKeyboardEvent,
userData: *mut c_void) -> EM_BOOL>;
pub type em_mouse_callback_func = Option<unsafe extern "C" fn(
eventType: c_int,
mouseEvent: *const EmscriptenMouseEvent,
userData: *mut c_void) -> EM_BOOL>;
pub type em_pointerlockchange_callback_func = Option<unsafe extern "C" fn(
eventType: c_int,
pointerlockChangeEvent: *const EmscriptenPointerlockChangeEvent,
@ -129,6 +134,34 @@ impl Clone for EmscriptenKeyboardEvent {
fn clone(&self) -> Self { *self }
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct EmscriptenMouseEvent {
pub timestamp: f64,
pub screenX: c_long,
pub screenY: c_long,
pub clientX: c_long,
pub clientY: c_long,
pub ctrlKey: c_int,
pub shiftKey: c_int,
pub altKey: c_int,
pub metaKey: c_int,
pub button: c_ushort,
pub buttons: c_ushort,
pub movementX: c_long,
pub movementY: c_long,
pub targetX: c_long,
pub targetY: c_long,
pub canvasX: c_long,
pub canvasY: c_long,
pub padding: c_long,
}
#[test]
fn bindgen_test_layout_EmscriptenMouseEvent() {
assert_eq!(mem::size_of::<EmscriptenMouseEvent>(), 120usize);
assert_eq!(mem::align_of::<EmscriptenMouseEvent>(), 8usize);
}
#[repr(C)]
pub struct EmscriptenPointerlockChangeEvent {
pub isActive: c_int,
@ -172,6 +205,21 @@ extern "C" {
useCapture: EM_BOOL, callback: em_key_callback_func)
-> EMSCRIPTEN_RESULT;
pub fn emscripten_set_mousemove_callback(
target: *const c_char, user_data: *mut c_void,
use_capture: EM_BOOL, callback: em_mouse_callback_func)
-> EMSCRIPTEN_RESULT;
pub fn emscripten_set_mousedown_callback(
target: *const c_char, user_data: *mut c_void,
use_capture: EM_BOOL, callback: em_mouse_callback_func)
-> EMSCRIPTEN_RESULT;
pub fn emscripten_set_mouseup_callback(
target: *const c_char, user_data: *mut c_void,
use_capture: EM_BOOL, callback: em_mouse_callback_func)
-> EMSCRIPTEN_RESULT;
pub fn emscripten_hide_mouse();
pub fn emscripten_get_device_pixel_ratio() -> f64;