From a9b8dca96575ee6e73e069c8785aeed96ffbdbb9 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Thu, 21 Sep 2023 17:38:56 +0200
Subject: [PATCH] [spidermonkey] window.event

---
 src/ecmascript/libdom/spidermonkey/window.cpp | 18 ++++++++++++++++++
 src/viewer/text/view.cpp                      |  9 ++++++++-
 test/ecmascript/onkeydown.html                |  6 +++---
 3 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/src/ecmascript/libdom/spidermonkey/window.cpp b/src/ecmascript/libdom/spidermonkey/window.cpp
index 4f64a9e3..50e82fd8 100644
--- a/src/ecmascript/libdom/spidermonkey/window.cpp
+++ b/src/ecmascript/libdom/spidermonkey/window.cpp
@@ -25,6 +25,7 @@
 #include "document/view.h"
 #include "ecmascript/ecmascript.h"
 #include "ecmascript/spidermonkey/heartbeat.h"
+#include "ecmascript/spidermonkey/keyboard.h"
 #include "ecmascript/spidermonkey/message.h"
 #include "ecmascript/spidermonkey/window.h"
 #include "ecmascript/timer.h"
@@ -51,12 +52,15 @@
 
 
 static bool window_get_property_closed(JSContext *cx, unsigned int argc, JS::Value *vp);
+static bool window_get_property_event(JSContext *cx, unsigned int argc, JS::Value *vp);
 static bool window_get_property_parent(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool window_get_property_self(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool window_get_property_status(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool window_set_property_status(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool window_get_property_top(JSContext *ctx, unsigned int argc, JS::Value *vp);
 
+extern struct term_event last_event;
+
 struct listener {
 	LIST_HEAD_EL(struct listener);
 	char *typ;
@@ -133,6 +137,7 @@ enum window_prop {
  * comparing. */
 JSPropertySpec window_props[] = {
 	JS_PSG("closed",	window_get_property_closed, JSPROP_ENUMERATE),
+	JS_PSG("event",		window_get_property_event, JSPROP_ENUMERATE),
 	JS_PSG("parent",	window_get_property_parent, JSPROP_ENUMERATE),
 	JS_PSG("self",	window_get_property_self, JSPROP_ENUMERATE),
 	JS_PSGS("status",	window_get_property_status, window_set_property_status, 0),
@@ -685,6 +690,19 @@ window_get_property_closed(JSContext *ctx, unsigned int argc, JS::Value *vp)
 	return true;
 }
 
+static bool
+window_get_property_event(JSContext *ctx, unsigned int argc, JS::Value *vp)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	JS::CallArgs args = CallArgsFromVp(argc, vp);
+	JSObject *event = get_keyboardEvent(ctx, &last_event);
+	args.rval().setObject(*event);
+
+	return true;
+}
+
 static bool
 window_get_property_parent(JSContext *ctx, unsigned int argc, JS::Value *vp)
 {
diff --git a/src/viewer/text/view.cpp b/src/viewer/text/view.cpp
index 2c1b7d59..c6f7f7d5 100644
--- a/src/viewer/text/view.cpp
+++ b/src/viewer/text/view.cpp
@@ -1306,6 +1306,8 @@ try_prefix_key(struct session *ses, struct document_view *doc_view,
 	return FRAME_EVENT_IGNORED;
 }
 
+struct term_event last_event;
+
 static enum frame_event_status
 try_form_action(struct session *ses, struct document_view *doc_view,
 		struct link *link, struct term_event *ev)
@@ -1314,6 +1316,12 @@ try_form_action(struct session *ses, struct document_view *doc_view,
 
 	assert(link);
 
+	if (ev) {
+		last_event = *ev;
+	} else {
+		memset(&last_event, 0, sizeof(last_event));
+	}
+
 	if (!link_is_textinput(link))
 		return FRAME_EVENT_IGNORED;
 
@@ -1344,7 +1352,6 @@ try_form_action(struct session *ses, struct document_view *doc_view,
 		if (status != FRAME_EVENT_IGNORED && !current_link_evhook(doc_view, SEVHOOK_ONKEYPRESS)) {
 			status = FRAME_EVENT_IGNORED;
 		}
-
 	}
 #endif
 	if (status != FRAME_EVENT_IGNORED) {
diff --git a/test/ecmascript/onkeydown.html b/test/ecmascript/onkeydown.html
index f8259cae..6dc6688f 100644
--- a/test/ecmascript/onkeydown.html
+++ b/test/ecmascript/onkeydown.html
@@ -5,13 +5,13 @@
 <p>A function is triggered when the user is pressing a key in the input field.</p>
 
 <form action="/">
-<input type="text" onkeydown="myFunction()">
+<input type="text" onkeydown="myFunction(event)">
 <input type="submit">
 </form>
 
 <script>
-function myFunction() {
-  alert("You pressed a key inside the input field");
+function myFunction(event) {
+  alert("You pressed a key inside the input field " + event.keyCode);
 }
 </script>