[gnome-builder] python: auto indent 2 levels for multi-line parameter list

[Christian Hergert <chergert src gnome org>]

commit 5e615cb76f714341d86fc02aa91d73cc5ada60c9
Author: Christian Hergert <christian hergert me>
Date:   Thu Jan 8 14:02:56 2015 -0800

    python: auto indent 2 levels for multi-line parameter list
    
    This only affects parameter lists where the first parameter is not on the
    same line as the function definition. Such as:
    
        def foo(
                param1,
                param2):
            pass

 src/auto-indent/gb-source-auto-indenter-python.c |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/src/auto-indent/gb-source-auto-indenter-python.c 
b/src/auto-indent/gb-source-auto-indenter-python.c
index 5dde210..fc47060 100644
--- a/src/auto-indent/gb-source-auto-indenter-python.c
+++ b/src/auto-indent/gb-source-auto-indenter-python.c
@@ -159,6 +159,7 @@ indent_colon (GbSourceAutoIndenterPython *python,
               GtkTextIter                *iter)
 {
   GString *str;
+  gboolean is_colon;
   guint tab_width = 4;
   guint offset;
   guint i;
@@ -167,6 +168,8 @@ indent_colon (GbSourceAutoIndenterPython *python,
    * TODO: Assign tab width from source view.
    */
 
+  is_colon = gtk_text_iter_get_char (iter) == ':';
+
   /*
    * Work our way back to the first character of the first line. Jumping past
    * strings and parens.
@@ -222,6 +225,25 @@ indent_colon (GbSourceAutoIndenterPython *python,
 
   offset = gtk_text_iter_get_line_offset (iter);
 
+  /*
+   * If we are actually still in the parameter list, possibly indent more.
+   * I don't like that this code is here, it really belongs somewhere else.
+   */
+  if (!is_colon) {
+    GtkTextIter copy = *iter;
+
+    if (gtk_text_iter_forward_chars (&copy, 4))
+      {
+        gchar *slice;
+
+        slice = gtk_text_iter_get_slice (iter, &copy);
+        g_print ("SLICE: %s\n", slice);
+        if (g_strcmp0 (slice, "def ") == 0)
+          offset += tab_width;
+        g_free (slice);
+      }
+  }
+
   str = g_string_new (NULL);
   for (i = 0; i < (offset + tab_width); i++)
     g_string_append (str, " ");