[gtksourceview/wip/chergert/vim] add some signals for future use

[Christian Hergert <chergert src gnome org>]

commit c03deb278fb106990fd8fbf19d4453cfa3a217dd
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 9 11:06:54 2021 -0800

    add some signals for future use

 gtksourceview/gtksourcevimimcontext.c | 50 +++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
---
diff --git a/gtksourceview/gtksourcevimimcontext.c b/gtksourceview/gtksourcevimimcontext.c
index c6d7187d..dad4d247 100644
--- a/gtksourceview/gtksourcevimimcontext.c
+++ b/gtksourceview/gtksourcevimimcontext.c
@@ -62,6 +62,8 @@ enum {
 enum {
        EXECUTE_COMMAND,
        FORMAT_TEXT,
+       DISCOVER_URI,
+       LOAD_URI,
        N_SIGNALS
 };
 
@@ -358,6 +360,54 @@ gtk_source_vim_im_context_class_init (GtkSourceVimIMContextClass *klass)
                              2,
                              GTK_TYPE_TEXT_ITER,
                              GTK_TYPE_TEXT_ITER);
+
+       /**
+        * GtkSourceVimIMContext::load-uri:
+        * @self: a #GtkSourceVimIMContext
+        * @uri: the URI of the buffer to load
+        * @line: the line number to load, starting from 0
+        * @line_offset: the offset within the line, starting from 0
+        *
+        * Requests that the application load the file @uri at @line and
+        * @line_offset.
+        *
+        * Since: 5.4
+        */
+       signals[LOAD_URI] =
+               g_signal_new ("load-uri",
+                             G_TYPE_FROM_CLASS (klass),
+                             G_SIGNAL_RUN_LAST,
+                             0,
+                             g_signal_accumulator_true_handled, NULL,
+                             NULL,
+                             G_TYPE_BOOLEAN,
+                             3,
+                             G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE,
+                             G_TYPE_UINT, G_TYPE_UINT);
+
+       /**
+        * GtkSourceVimIMContext::discover-uri:
+        * @self: a #GtkSourceVimIMContext
+        * @view: the loaded #GtkSourceView
+        *
+        * Requests the URI of the file loaded in @view. This is used when
+        * generating jump history so that the user may move back and forth
+        * during editing with Ctrl+I/Ctrl+0.
+        *
+        * Returns: A string containing the URI
+        *
+        * Since: 5.4
+        */
+       signals[DISCOVER_URI] =
+               g_signal_new ("discover-uri",
+                             G_TYPE_FROM_CLASS (klass),
+                             G_SIGNAL_RUN_LAST,
+                             0,
+                             g_signal_accumulator_first_wins, NULL,
+                             NULL,
+                             G_TYPE_STRING,
+                             1,
+                             GTK_SOURCE_TYPE_VIEW);
 }
 
 static void