[gtksourceview/wip/chergert/vim] add format signal

[Christian Hergert <chergert src gnome org>]

commit 1fee65ea078c90a8f11ea8cfb9f2514e06b4bcf0
Author: Christian Hergert <chergert redhat com>
Date:   Wed Nov 3 17:28:59 2021 -0700

    add format signal

 gtksourceview/vim/gtk-source-vim.c | 30 ++++++++++++++++++++++++++++++
 gtksourceview/vim/gtk-source-vim.h |  3 +++
 2 files changed, 33 insertions(+)
---
diff --git a/gtksourceview/vim/gtk-source-vim.c b/gtksourceview/vim/gtk-source-vim.c
index 6c7f3634..c78d2b00 100644
--- a/gtksourceview/vim/gtk-source-vim.c
+++ b/gtksourceview/vim/gtk-source-vim.c
@@ -44,6 +44,7 @@ enum {
 
 enum {
        EXECUTE_COMMAND,
+       FORMAT,
        READY,
        SPLIT,
        N_SIGNALS
@@ -200,6 +201,23 @@ gtk_source_vim_class_init (GtkSourceVimClass *klass)
                                            1,
                                            G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE);
 
+       /**
+        * GtkSourceVim::format:
+        * @self: a #GtkSourceVim
+        * @begin: the beginning of the text range
+        * @end: the end of the text range
+        *
+        * Requests that the text range @begin to @end be reformatted.
+        * Applications should conntect to this signal to implement
+        * reformatting as they would like.
+        */
+       signals[FORMAT] =
+               g_signal_new ("format",
+                             G_TYPE_FROM_CLASS (klass),
+                             G_SIGNAL_RUN_LAST,
+                             0, NULL, NULL, NULL,
+                             G_TYPE_NONE, 2, GTK_TYPE_TEXT_ITER, GTK_TYPE_TEXT_ITER);
+
        signals[READY] =
                g_signal_new ("ready",
                              G_TYPE_FROM_CLASS (klass),
@@ -341,3 +359,15 @@ gtk_source_vim_emit_ready (GtkSourceVim *self)
 
        g_signal_emit (self, signals[READY], 0);
 }
+
+void
+gtk_source_vim_emit_format (GtkSourceVim *self,
+                            GtkTextIter  *begin,
+                            GtkTextIter  *end)
+{
+       g_return_if_fail (GTK_SOURCE_IS_VIM (self));
+       g_return_if_fail (begin != NULL);
+       g_return_if_fail (end != NULL);
+
+       g_signal_emit (self, signals[FORMAT], 0, begin, end);
+}
diff --git a/gtksourceview/vim/gtk-source-vim.h b/gtksourceview/vim/gtk-source-vim.h
index ff8a7e3d..3fb313fe 100644
--- a/gtksourceview/vim/gtk-source-vim.h
+++ b/gtksourceview/vim/gtk-source-vim.h
@@ -35,6 +35,9 @@ const char   *gtk_source_vim_get_command_text     (GtkSourceVim   *self);
 const char   *gtk_source_vim_get_command_bar_text (GtkSourceVim   *self);
 gboolean      gtk_source_vim_emit_execute_command (GtkSourceVim   *self,
                                                    const char     *command);
+void          gtk_source_vim_emit_format          (GtkSourceVim   *self,
+                                                   GtkTextIter    *begin,
+                                                   GtkTextIter    *end);
 void          gtk_source_vim_emit_ready           (GtkSourceVim   *self);
 void          gtk_source_vim_emit_split           (GtkSourceVim   *self,
                                                    GtkOrientation  orientation,