[gnome-text-editor] view: keep cursor on first non-space char

[Christian Hergert <chergert src gnome org>]

commit 4c22e38e7fc20c88439a3e3c0251cd2da2a90ed6
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 12 12:31:18 2021 -0800

    view: keep cursor on first non-space char
    
    When deleting lines using Ctrl+D we want to keep the cursor at the
    beginning of the resulting line (but skip past space chars).
    
    Related #215

 src/editor-source-view.c | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/editor-source-view.c b/src/editor-source-view.c
index b83c63a..7a0556f 100644
--- a/src/editor-source-view.c
+++ b/src/editor-source-view.c
@@ -406,6 +406,13 @@ editor_source_view_action_delete_line (GtkWidget  *widget,
   text = gtk_text_iter_get_slice (&begin, &end);
   gtk_text_buffer_delete (buffer, &begin, &end);
   gtk_text_buffer_end_user_action (buffer);
+
+  /* now move the cursor to the beginning of the new line */
+  gtk_text_iter_set_line_offset (&begin, 0);
+  while (!gtk_text_iter_ends_line (&begin) &&
+         g_unichar_isspace (gtk_text_iter_get_char (&begin)))
+    gtk_text_iter_forward_char (&begin);
+  gtk_text_buffer_select_range (buffer, &begin, &begin);
 }
 
 static void