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mach: wasm: Implement setShouldClose for wasm

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iddev5 2022-06-08 13:20:59 +05:30 • committed by Stephen Gutekanst
parent 2d53b8bdfd
commit 772a821ce1
3 changed files with 17 additions and 3 deletions
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4
src/platform/mach.js
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@ -274,6 +274,10 @@ const mach = {
return cv.canvas.height; return cv.canvas.height;
}, },
machEmitCloseEvent() {
window.dispatchEvent(new Event("mach-close"));
},
machEventShift() { machEventShift() {
if (mach.events.length < 0) if (mach.events.length < 0)
return 0; return 0;

5
src/platform/wasm.zig
View file

@ -13,6 +13,7 @@ const js = struct {
extern fn machCanvasGetWindowHeight(canvas: CanvasId) u32; extern fn machCanvasGetWindowHeight(canvas: CanvasId) u32;
extern fn machCanvasGetFramebufferWidth(canvas: CanvasId) u32; extern fn machCanvasGetFramebufferWidth(canvas: CanvasId) u32;
extern fn machCanvasGetFramebufferHeight(canvas: CanvasId) u32; extern fn machCanvasGetFramebufferHeight(canvas: CanvasId) u32;
extern fn machEmitCloseEvent() void;
extern fn machEventShift() i32; extern fn machEventShift() i32;
extern fn machEventShiftFloat() f64; extern fn machEventShiftFloat() f64;
extern fn machChangeShift() u32; extern fn machChangeShift() u32;
@ -63,7 +64,9 @@ pub const Platform = struct {
js.machCanvasSetTitle(platform.id, title.ptr, title.len); js.machCanvasSetTitle(platform.id, title.ptr, title.len);
} }
pub fn setShouldClose(_: *Platform, _: bool) void {} pub fn setShouldClose(_: *Platform, value: bool) void {
if (value) js.machEmitCloseEvent();
}
pub fn getFramebufferSize(platform: *Platform) structs.Size { pub fn getFramebufferSize(platform: *Platform) structs.Size {
return platform.last_framebuffer_size; return platform.last_framebuffer_size;

11
www/template.html
View file

@ -24,12 +24,19 @@
mach.init(instance); mach.init(instance);
instance.exports.wasmInit(); instance.exports.wasmInit();
let frame = true;
let update = function() {{ let update = function() {{
if (!frame) return;
instance.exports.wasmUpdate(); instance.exports.wasmUpdate();
requestAnimationFrame(update); window.requestAnimationFrame(update);
}}; }};
requestAnimationFrame(update); window.requestAnimationFrame(update);
window.addEventListener("mach-close", () => {{
instance.exports.wasmDeinit();
frame = false;
}});
}}) }})
.catch(err => console.error(err)); .catch(err => console.error(err));
</script> </script>