Shift+F10 show context menus on the embed. (Less invasive way until

2003-06-15  Marco Pesenti Gritti  <marco@it.gnome.org>

	* embed/ephy-embed-event.c: (ephy_embed_event_init):
	* embed/ephy-embed-event.h:
	* embed/ephy-embed-popup-bw.c: (popup_menu_at_coords),
	(ephy_embed_popup_bw_show_impl):
	* embed/ephy-embed.c: (ephy_embed_base_init):
	* embed/ephy-embed.h:
	* embed/mozilla/EventContext.cpp:
	* embed/mozilla/EventContext.h:
	* embed/mozilla/mozilla-embed.cpp:
	* src/ephy-tab.c: (popup_menu_at_coords),
	(ephy_tab_show_embed_popup), (ephy_tab_context_menu_cb),
	(ephy_tab_init):

	Shift+F10 show context menus on the embed.
	(Less invasive way until gtkmozembed has a context_menu
	signal)
	From galeon.

3 files changed, 131 insertions, 1 deletions

diff --git a/embed/mozilla/EventContext.cpp b/embed/mozilla/EventContext.cpp
index 7fa44acc0..229f8d3be 100644
--- a/embed/mozilla/EventContext.cpp
+++ b/embed/mozilla/EventContext.cpp
@@ -586,6 +586,64 @@ nsresult EventContext::GetMouseEventInfo (nsIDOMMouseEvent *aMouseEvent, EphyEmb
 	return NS_OK;
 }
 
+nsresult EventContext::GetKeyEventInfo (nsIDOMKeyEvent *aKeyEvent, EphyEmbedEvent *info)
+{
+	nsresult rv;
+
+	PRUint32 keyCode;
+	rv = aKeyEvent->GetKeyCode(&keyCode);
+	if (NS_FAILED(rv)) return rv;
+	info->keycode = keyCode;
+
+	nsCOMPtr<nsIDOMEventTarget> target;
+	rv = aKeyEvent->GetTarget(getter_AddRefs(target));
+	if (NS_FAILED(rv) || !target) return NS_ERROR_FAILURE;
+
+	/* Calculate the node coordinates relative to the widget origin */
+	nsCOMPtr<nsIDOMNSHTMLElement> elem = do_QueryInterface(target, &rv);
+	if (NS_FAILED(rv)) return rv;
+
+	PRInt32 x = 0, y = 0;
+	while (elem)
+	{
+		PRInt32 val;
+		elem->GetOffsetTop(&val);	y += val;
+		elem->GetScrollTop(&val);	y -= val;
+		elem->GetOffsetLeft(&val);	x += val;
+		elem->GetScrollLeft(&val);	x -= val;
+
+		nsCOMPtr<nsIDOMElement> parent;
+		elem->GetOffsetParent(getter_AddRefs(parent));
+		elem = do_QueryInterface(parent, &rv);
+	}
+	info->x = x;
+	info->y = y;
+
+	/* Context */
+	rv = GetEventContext (target, info);
+	if (NS_FAILED(rv)) return rv;
+
+	/* Get the modifier */
+
+	PRBool mod_key;
+
+	info->modifier = 0;
+
+	aKeyEvent->GetAltKey(&mod_key);
+	if (mod_key) info->modifier |= GDK_MOD1_MASK;
+
+	aKeyEvent->GetShiftKey(&mod_key);
+	if (mod_key) info->modifier |= GDK_SHIFT_MASK;
+
+	aKeyEvent->GetMetaKey(&mod_key);
+	if (mod_key) info->modifier |= GDK_Meta_L;
+	
+	aKeyEvent->GetCtrlKey(&mod_key);
+	if (mod_key) info->modifier |= GDK_CONTROL_MASK;
+
+	return NS_OK;
+}
+
 nsresult EventContext::IsPageFramed (nsIDOMNode *node, PRBool *Framed)
 {
 	nsresult result;
diff --git a/embed/mozilla/EventContext.h b/embed/mozilla/EventContext.h
index 8025fb353..54c51b035 100644
--- a/embed/mozilla/EventContext.h
+++ b/embed/mozilla/EventContext.h
@@ -45,6 +45,7 @@ public:
 	nsresult Init (EphyWrapper *wrapper);
 
 	nsresult GetMouseEventInfo (nsIDOMMouseEvent *event, EphyEmbedEvent *info);
+	nsresult GetKeyEventInfo (nsIDOMKeyEvent *event, EphyEmbedEvent *info);
 	nsresult GetTargetDocument (nsIDOMDocument **domDoc);
 
 private:
diff --git a/embed/mozilla/mozilla-embed.cpp b/embed/mozilla/mozilla-embed.cpp
index f578fb198..95dd0190e 100644
--- a/embed/mozilla/mozilla-embed.cpp
+++ b/embed/mozilla/mozilla-embed.cpp
@@ -206,6 +206,9 @@ mozilla_embed_security_change_cb (GtkMozEmbed *embed,
                                   guint state, MozillaEmbed *membed);
 static EmbedSecurityLevel
 mozilla_embed_security_level (MozillaEmbed *membed);
+static gint
+mozilla_embed_dom_key_down_cb (GtkMozEmbed *embed, gpointer dom_event,
+		               MozillaEmbed *membed);
 
 /* signals to connect on each embed widget */
 static const struct
@@ -228,6 +231,7 @@ signal_connections[] =
         { "size_to",         (void *) mozilla_embed_size_to_cb           },
         { "new_window",      (void *) mozilla_embed_new_window_cb        },
         { "security_change", (void *) mozilla_embed_security_change_cb   },
+	{ "dom_key_down",    (void *) mozilla_embed_dom_key_down_cb      },
 
         /* terminator -- must be last in the list! */
         { NULL, NULL } 
@@ -1312,6 +1316,63 @@ mozilla_embed_visibility_cb (GtkMozEmbed *embed, gboolean visibility,
 	}
 }
 
+static gint
+mozilla_embed_dom_key_down_cb (GtkMozEmbed *embed, gpointer dom_event,
+		               MozillaEmbed *membed)
+{
+	nsCOMPtr<nsIDOMKeyEvent> ev = static_cast<nsIDOMKeyEvent*>(dom_event);
+	if (!ev)
+	{
+		return FALSE;
+	}
+
+	EphyWrapper *wrapper = MOZILLA_EMBED(membed)->priv->wrapper;
+	g_return_val_if_fail (wrapper != NULL, G_FAILED);
+
+	EphyEmbedEvent *info;
+	info = ephy_embed_event_new ();
+
+	gboolean ret = FALSE;
+
+	// Just check for Shift-F10 so that we know to popup the context menu.
+	//
+	// The DOM_VK_* keycodes are not compatible with the keycodes defined
+	// in GDK, so making a generic dom_key_down signal is probably not
+	// worth the trouble.
+
+	nsresult rv;
+	EventContext ctx;
+	ctx.Init (wrapper);
+	rv = ctx.GetKeyEventInfo (ev, info);
+	if (NS_SUCCEEDED(rv) &&
+	    (info->keycode == nsIDOMKeyEvent::DOM_VK_F10 &&
+	     info->modifier == GDK_SHIFT_MASK))
+	{
+		// Translate relative coordinates to absolute values, and try
+		// to avoid covering links by adding a little offset.
+
+		int x, y;
+		gdk_window_get_origin (GTK_WIDGET(membed)->window, &x, &y);
+		info->x += x + 6;	
+		info->y += y + 6;
+
+		nsCOMPtr<nsIDOMDocument> doc;
+		rv = ctx.GetTargetDocument (getter_AddRefs(doc));
+		if (NS_SUCCEEDED(rv))
+		{
+			rv = wrapper->PushTargetDocument (doc);
+			if (NS_SUCCEEDED(rv))
+			{
+				g_signal_emit_by_name (membed, "ge_context_menu", info, &ret);
+				wrapper->PopTargetDocument ();
+			}
+		}
+	}
+
+	g_object_unref (info);
+	return ret;
+}
+
 static void
 mozilla_embed_destroy_brsr_cb (GtkMozEmbed *embed, 
 			       MozillaEmbed *membed)
@@ -1371,8 +1432,18 @@ static gint
 mozilla_embed_dom_mouse_down_cb (GtkMozEmbed *embed, gpointer dom_event, 
 				 MozillaEmbed *membed)
 {
-	return mozilla_embed_emit_mouse_signal
+	int ret;
+
+	ret =  mozilla_embed_emit_mouse_signal
 		(membed, dom_event, "ge_dom_mouse_down");
+
+	if (!ret)
+	{
+		ret = mozilla_embed_emit_mouse_signal
+	                (membed, dom_event, "ge_context_menu");
+	}
+
+	return ret;
 }
 
 static void