[gtksourceview/wip/chergert/vim] add begin command helper

[Christian Hergert <chergert src gnome org>]

commit f05219b45cc7a4068227ca500d1701cd373cf434
Author: Christian Hergert <chergert redhat com>
Date:   Thu Oct 28 21:59:39 2021 -0700

    add begin command helper

 gtksourceview/vim/gtk-source-vim-normal.c | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
---
diff --git a/gtksourceview/vim/gtk-source-vim-normal.c b/gtksourceview/vim/gtk-source-vim-normal.c
index ce557c25..2e8c1e7c 100644
--- a/gtksourceview/vim/gtk-source-vim-normal.c
+++ b/gtksourceview/vim/gtk-source-vim-normal.c
@@ -22,6 +22,7 @@
 #include "config.h"
 
 #include "gtk-source-vim.h"
+#include "gtk-source-vim-command.h"
 #include "gtk-source-vim-command-bar.h"
 #include "gtk-source-vim-delete.h"
 #include "gtk-source-vim-insert.h"
@@ -188,6 +189,41 @@ gtk_source_vim_normal_begin_insert (GtkSourceVimNormal   *self,
        return ret;
 }
 
+static void
+gtk_source_vim_normal_begin_command (GtkSourceVimNormal *self,
+                                     GtkSourceVimState  *insert_motion,
+                                     GtkSourceVimState  *selection_motion,
+                                     const char         *command_str)
+{
+       GtkSourceVimCommand *command;
+       int count;
+
+       g_assert (GTK_SOURCE_IS_VIM_NORMAL (self));
+       g_assert (!insert_motion || GTK_SOURCE_IS_VIM_MOTION (insert_motion));
+       g_assert (!selection_motion || GTK_SOURCE_IS_VIM_MOTION (selection_motion));
+
+       count = self->count, self->count = 0;
+
+       if (insert_motion)
+               gtk_source_vim_state_set_count (GTK_SOURCE_VIM_STATE (insert_motion), count);
+
+       if (selection_motion)
+               gtk_source_vim_state_set_count (GTK_SOURCE_VIM_STATE (selection_motion), count);
+
+       command = g_object_new (GTK_SOURCE_TYPE_VIM_COMMAND,
+                               "motion", insert_motion,
+                               "selection-motion", selection_motion,
+                               "command", command_str,
+                               NULL);
+
+       g_clear_object (&insert_motion);
+       g_clear_object (&selection_motion);
+
+       gtk_source_vim_state_push (GTK_SOURCE_VIM_STATE (self),
+                                  GTK_SOURCE_VIM_STATE (command));
+       gtk_source_vim_state_pop (GTK_SOURCE_VIM_STATE (command));
+}
+
 static void
 go_backward_char (GtkSourceVimNormal *self)
 {