[gtksourceview/wip/chergert/vim: 235/363] add select linewise helper

[Christian Hergert <chergert src gnome org>]

commit c068bba09379cb806ebf7a8db427304c6548b761
Author: Christian Hergert <chergert redhat com>
Date:   Wed Nov 3 10:25:29 2021 -0700

    add select linewise helper
    
    this will make it easier to apply linewise from other operations such
    as commands later on.

 gtksourceview/vim/gtk-source-vim-state.c  | 44 +++++++++++++++++++++++++++++++
 gtksourceview/vim/gtk-source-vim-state.h  |  3 +++
 gtksourceview/vim/gtk-source-vim-visual.c | 26 +-----------------
 3 files changed, 48 insertions(+), 25 deletions(-)
---
diff --git a/gtksourceview/vim/gtk-source-vim-state.c b/gtksourceview/vim/gtk-source-vim-state.c
index 64fcb4a6..e2cc5456 100644
--- a/gtksourceview/vim/gtk-source-vim-state.c
+++ b/gtksourceview/vim/gtk-source-vim-state.c
@@ -1117,3 +1117,47 @@ gtk_source_vim_state_set_visual_column (GtkSourceVimState *self,
        priv->column_set = TRUE;
 }
 
+static void
+extend_lines (GtkTextIter *a,
+              GtkTextIter *b)
+{
+       if (gtk_text_iter_compare (a, b) <= 0)
+       {
+               gtk_text_iter_set_line_offset (a, 0);
+               if (!gtk_text_iter_ends_line (b))
+                       gtk_text_iter_forward_to_line_end (b);
+               if (gtk_text_iter_ends_line (b) && !gtk_text_iter_is_end (b))
+                       gtk_text_iter_forward_char (b);
+       }
+       else
+       {
+               gtk_text_iter_set_line_offset (b, 0);
+               if (!gtk_text_iter_ends_line (a))
+                       gtk_text_iter_forward_to_line_end (a);
+               if (gtk_text_iter_ends_line (a) && !gtk_text_iter_is_end (a))
+                       gtk_text_iter_forward_char (a);
+       }
+}
+
+void
+gtk_source_vim_state_select_linewise (GtkSourceVimState *self,
+                                      GtkTextIter       *insert,
+                                      GtkTextIter       *selection)
+{
+       GtkSourceBuffer *buffer;
+       GtkTextIter iter1, iter2;
+
+       g_return_if_fail (GTK_SOURCE_IS_VIM_STATE (self));
+
+       buffer = gtk_source_vim_state_get_buffer (self, &iter1, &iter2);
+
+       if (insert == NULL)
+               insert = &iter1;
+
+       if (selection == NULL)
+               selection = &iter2;
+
+       extend_lines (insert, selection);
+
+       gtk_text_buffer_select_range (GTK_TEXT_BUFFER (buffer), insert, selection);
+}
diff --git a/gtksourceview/vim/gtk-source-vim-state.h b/gtksourceview/vim/gtk-source-vim-state.h
index 8cde2813..51014eaf 100644
--- a/gtksourceview/vim/gtk-source-vim-state.h
+++ b/gtksourceview/vim/gtk-source-vim-state.h
@@ -123,6 +123,9 @@ void               gtk_source_vim_state_keyval_unescaped           (guint
 guint              gtk_source_vim_state_get_visual_column          (GtkSourceVimState *self);
 void               gtk_source_vim_state_set_visual_column          (GtkSourceVimState *self,
                                                                     int                visual_column);
+void               gtk_source_vim_state_select_linewise            (GtkSourceVimState *self,
+                                                                    GtkTextIter       *insert,
+                                                                    GtkTextIter       *selection);
 
 static inline gboolean
 gtk_source_vim_state_is_escape (guint           keyval,
diff --git a/gtksourceview/vim/gtk-source-vim-visual.c b/gtksourceview/vim/gtk-source-vim-visual.c
index b1a90dcc..abb8db9c 100644
--- a/gtksourceview/vim/gtk-source-vim-visual.c
+++ b/gtksourceview/vim/gtk-source-vim-visual.c
@@ -111,28 +111,6 @@ gtk_source_vim_visual_bail (GtkSourceVimVisual *self)
        return TRUE;
 }
 
-static void
-extend_lines (GtkTextIter *a,
-              GtkTextIter *b)
-{
-       if (gtk_text_iter_compare (a, b) <= 0)
-       {
-               gtk_text_iter_set_line_offset (a, 0);
-               if (!gtk_text_iter_ends_line (b))
-                       gtk_text_iter_forward_to_line_end (b);
-               if (gtk_text_iter_ends_line (b) && !gtk_text_iter_is_end (b))
-                       gtk_text_iter_forward_char (b);
-       }
-       else
-       {
-               gtk_text_iter_set_line_offset (b, 0);
-               if (!gtk_text_iter_ends_line (a))
-                       gtk_text_iter_forward_to_line_end (a);
-               if (gtk_text_iter_ends_line (a) && !gtk_text_iter_is_end (a))
-                       gtk_text_iter_forward_char (a);
-       }
-}
-
 static void
 gtk_source_vim_visual_track_char (GtkSourceVimVisual *self)
 {
@@ -205,9 +183,7 @@ gtk_source_vim_visual_track_line (GtkSourceVimVisual *self)
        gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (buffer), &cursor, self->cursor);
        gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (buffer), &started_at, self->started_at);
 
-       extend_lines (&cursor, &started_at);
-
-       gtk_source_vim_state_select (GTK_SOURCE_VIM_STATE (self), &cursor, &started_at);
+       gtk_source_vim_state_select_linewise (GTK_SOURCE_VIM_STATE (self), &cursor, &started_at);
 }
 
 static void