wasm: add support for Window.on_frame

capy-ui · Oct 29, 2024 · eb2785c · eb2785c
1 parent ddfa942
commit eb2785c
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Showing 4 changed files with 16 additions and 1 deletion.
diff --git a/src/backends/wasm/backend.zig b/src/backends/wasm/backend.zig
@@ -113,6 +113,14 @@ pub fn runStep(step: shared.EventLoopStep) bool {
             .UpdateAudio => {
                 lib.audio.backendUpdate();
             },
+            .WindowTick => {
+                if (@import("Window.zig").globalWindow) |window| {
+                    if (window.peer.user.propertyChangeHandler) |handler| {
+                        const value: u64 = 0;
+                        handler("tick_id", &value, window.peer.userdata);
+                    }
+                }
+            },
             else => {
                 if (@import("Window.zig").globalWindow) |window| {
                     if (window.child) |child| {

diff --git a/src/backends/wasm/capy.js b/src/backends/wasm/capy.js
@@ -593,6 +593,12 @@ async function loadExtras() {
 		}
 		drawCommands = [];
 
+		// send window tick event
+		pushEvent({
+			type: 8,
+			args: [],
+		});
+
 		requestAnimationFrame(update);
 	}
 	//setInterval(update, 32);

diff --git a/src/backends/wasm/common.zig b/src/backends/wasm/common.zig
@@ -126,7 +126,7 @@ pub fn Events(comptime T: type) type {
                             handler(dx, dy, self.peer.userdata);
                         }
                     },
-                    .UpdateAudio => unreachable,
+                    .UpdateAudio, .WindowTick => unreachable,
                     .PropertyChange => {
                         if (self.peer.user.propertyChangeHandler) |handler| {
                             const value_f32 = js.getValue(self.peer.element);

diff --git a/src/backends/wasm/js.zig b/src/backends/wasm/js.zig
@@ -14,6 +14,7 @@ pub const EventType = enum(usize) {
     MouseScroll,
     UpdateAudio,
     PropertyChange,
+    WindowTick,
 };
 
 pub extern fn jsPrint(msg: [*]const u8, len: usize) void;