event: add detail and view implementations

Author: krichprollsch

src/events/event_ui.zig

@@ -24,13 +24,13 @@ pub const UIEvent = struct {
         return evt;
     }
 
-    // pub fn get_detail(self: parser.EventUI) !u32 {
-    //     return try parser.eventUIDetail(self);
-    // }
+    pub fn get_detail(self: *parser.UIEvent) !i32 {
+        return try parser.uiEventDetail(self);
+    }
 
-    // pub fn get_view(self: parser.Event) !?Window {
-    //     return try parser.eventUIView(self);
-    // }
+    pub fn get_view(self: *parser.UIEvent) !?Window {
+        return try parser.uiEventView(self);
+    }
 };
 
 pub fn testExecFn(
@@ -43,6 +43,9 @@ pub fn testExecFn(
         .{ .src = "content.addEventListener('evt', function(e) {evt = e})", .ex = "undefined" },
         .{ .src = "content.dispatchEvent(new UIEvent('evt'))", .ex = "true" },
         .{ .src = "evt instanceof UIEvent", .ex = "true" },
+        .{ .src = "evt.__proto__.constructor.name", .ex = "UIEvent" },
+        .{ .src = "evt.detail", .ex = "0" },
+        .{ .src = "evt.view", .ex = "null" },
     };
     try checkCases(js_env, &ui_event);
 }

src/netsurf.zig

@@ -471,12 +471,28 @@ pub fn uiEventInit(evt: *UIEvent, typ: []const u8, opts: UIEventInit) !void {
         try strFromData(typ),
         opts.bubbles,
         opts.cancelable,
+        // TODO pass the Window as view.
+        // opts.view
         null,
         opts.detail,
     );
     try DOMErr(err);
 }
 
+pub fn uiEventDetail(evt: *UIEvent) !i32 {
+    var res: i32 = undefined;
+    const err = c._dom_ui_event_get_detail(evt, &res);
+    try DOMErr(err);
+    return res;
+}
+
+pub fn uiEventView(_: *UIEvent) !?Window {
+    // TODO retrieve the Window as view.
+    // const err = c._dom_ui_event_get_view(evt, &res);
+    // try DOMErr(err);
+    return null;
+}
+
 // EventHandler
 fn event_handler_cbk(data: *anyopaque) *Callback {
     const ptr: *align(@alignOf(*Callback)) anyopaque = @alignCast(data);