[gtksourceview/wip/chergert/vim] allow setting register with "<name>

[Christian Hergert <chergert src gnome org>]

commit 71261c37dbed7de0c52baa5bf6eb67c9cfe5c863
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 2 12:10:46 2021 -0700

    allow setting register with "<name>
    
    you can now do "myy to copy the line into register m

 gtksourceview/vim/gtk-source-vim-normal.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
---
diff --git a/gtksourceview/vim/gtk-source-vim-normal.c b/gtksourceview/vim/gtk-source-vim-normal.c
index 403f4392..caaa9fdc 100644
--- a/gtksourceview/vim/gtk-source-vim-normal.c
+++ b/gtksourceview/vim/gtk-source-vim-normal.c
@@ -79,6 +79,7 @@ gtk_source_vim_normal_bail (GtkSourceVimNormal *self)
        g_assert (GTK_SOURCE_IS_VIM_NORMAL (self));
 
        gtk_source_vim_state_beep (GTK_SOURCE_VIM_STATE (self));
+       gtk_source_vim_state_set_current_register (GTK_SOURCE_VIM_STATE (self), NULL);
        gtk_source_vim_normal_clear (self);
 
        return TRUE;
@@ -684,6 +685,28 @@ key_handler_yank (GtkSourceVimNormal *self,
        return TRUE;
 }
 
+static gboolean
+key_handler_register (GtkSourceVimNormal *self,
+                      guint               keyval,
+                      guint               keycode,
+                      GdkModifierType     mods,
+                      const char         *string)
+{
+       g_assert (GTK_SOURCE_IS_VIM_NORMAL (self));
+
+       if (string == NULL || string[0] == 0)
+       {
+               /* We require a string to access the register */
+               return gtk_source_vim_normal_bail (self);
+       }
+
+       gtk_source_vim_state_set_current_register (GTK_SOURCE_VIM_STATE (self), string);
+
+       self->handler = key_handler_initial;
+
+       return TRUE;
+}
+
 static gboolean
 key_handler_split (GtkSourceVimNormal *self,
                    guint               keyval,
@@ -889,6 +912,10 @@ key_handler_initial (GtkSourceVimNormal *self,
                                self->handler = key_handler_command;
                                break;
 
+                       case GDK_KEY_quotedbl:
+                               self->handler = key_handler_register;
+                               return TRUE;
+
                        case GDK_KEY_y:
                                self->handler = key_handler_yank;
                                return TRUE;
@@ -1001,6 +1028,7 @@ gtk_source_vim_normal_resume (GtkSourceVimState *state,
 
        gtk_source_vim_normal_clear (GTK_SOURCE_VIM_NORMAL (state));
        gtk_source_vim_state_set_overwrite (state, TRUE);
+       gtk_source_vim_state_set_current_register (state, NULL);
 
        /* Go back one character if we exited replace/insert state */
        if (GTK_SOURCE_IS_VIM_INSERT (from) || GTK_SOURCE_IS_VIM_REPLACE (from))