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.

8 files changed, 158 insertions, 2 deletions

diff --git a/embed/ephy-embed-event.c b/embed/ephy-embed-event.c
index 5ee7d2781..3df03f3dc 100644
--- a/embed/ephy-embed-event.c
+++ b/embed/ephy-embed-event.c
@@ -87,6 +87,7 @@ ephy_embed_event_init (EphyEmbedEvent *event)
 
 	event->priv->props = g_hash_table_new_full (g_str_hash, g_str_equal,
 						    g_free, free_g_value);
+	event->mouse_button = -1;
 }
 
 static void
diff --git a/embed/ephy-embed-event.h b/embed/ephy-embed-event.h
index 9291ae6ae..44448cce6 100644
--- a/embed/ephy-embed-event.h
+++ b/embed/ephy-embed-event.h
@@ -60,6 +60,7 @@ struct EphyEmbedEvent
 	guint mouse_button;
 	guint context;
 	guint x, y;
+	guint keycode;
 };
 
 struct EphyEmbedEventClass
diff --git a/embed/ephy-embed-popup-bw.c b/embed/ephy-embed-popup-bw.c
index 553f73205..f72e44e6e 100644
--- a/embed/ephy-embed-popup-bw.c
+++ b/embed/ephy-embed-popup-bw.c
@@ -162,6 +162,17 @@ ephy_embed_popup_bw_new (BonoboWindow *window)
 }
 
 static void
+popup_menu_at_coords (GtkMenu *menu, gint *x, gint *y, gboolean *push_in,
+		      gpointer user_data)
+{
+	EphyEmbedEvent *event = user_data;
+
+	*x = event->x;
+	*y = event->y;
+	*push_in = FALSE;
+}
+
+static void
 ephy_embed_popup_bw_show_impl (EphyEmbedPopup *pp,
 				 EphyEmbed *embed)
 {
@@ -181,7 +192,7 @@ ephy_embed_popup_bw_show_impl (EphyEmbedPopup *pp,
 				 ephy_embed_popup_get_popup_path (EPHY_EMBED_POPUP (p)));
 
 	gtk_menu_popup (GTK_MENU (p->priv->menu),
-			NULL, NULL, NULL, NULL,
+			NULL, NULL, button == 2 ? popup_menu_at_coords : NULL, event,
 			button, gtk_get_current_event_time ());
 }
 
diff --git a/embed/ephy-embed.c b/embed/ephy-embed.c
index 3360e9e67..ebc33b833 100644
--- a/embed/ephy-embed.c
+++ b/embed/ephy-embed.c
@@ -29,6 +29,7 @@
 enum
 {
 	NEW_WINDOW,
+	CONTEXT_MENU,
 	LINK_MESSAGE,
 	FAVICON,
 	JS_STATUS,
@@ -108,6 +109,16 @@ ephy_embed_base_init (gpointer g_class)
                               G_TYPE_NONE,
                               1,
 			      G_TYPE_STRING);
+	ephy_embed_signals[CONTEXT_MENU] =
+                g_signal_new ("ge_context_menu",
+                              EPHY_EMBED_TYPE,
+                              G_SIGNAL_RUN_LAST,
+                              G_STRUCT_OFFSET (EphyEmbedClass, context_menu),
+                              NULL, NULL,
+                              ephy_marshal_INT__OBJECT,
+                              G_TYPE_INT,
+                              1,
+			      G_TYPE_OBJECT);
 	ephy_embed_signals[FAVICON] =
                 g_signal_new ("ge_favicon",
                               EPHY_EMBED_TYPE,
diff --git a/embed/ephy-embed.h b/embed/ephy-embed.h
index a80d11d80..6371dea98 100644
--- a/embed/ephy-embed.h
+++ b/embed/ephy-embed.h
@@ -164,6 +164,8 @@ struct EphyEmbedClass
 {
         GTypeInterface base_iface;
 
+	gint (* context_menu)	 (EphyEmbed *embed,
+				  EphyEmbedEvent *event);
 	void (* favicon)	 (EphyEmbed *embed,
 				  const char *location);
 	void (* link_message)    (EphyEmbed *embed,
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