[PATCH] Added ability to not strip the current line

[Shuhao]

This feature is good for the trim on save as usually an user do not want
the line that they are currently selecting to be trimmed.
---
 mousepad/mousepad-view.c |   16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/mousepad/mousepad-view.c b/mousepad/mousepad-view.c
index a123241..b03b153 100644
--- a/mousepad/mousepad-view.c
+++ b/mousepad/mousepad-view.c
@@ -820,7 +820,7 @@ mousepad_view_selection_draw (MousepadView *view,
               /* calculate line coordinates */
               gtk_text_view_buffer_to_window_coords(textview,GTK_TEXT_WINDOW_TEXT,
                                                     rect.x,rect.y, &line_x,&line_y);
-                                                    
+
               /* draw a line in front of the iter */
               gdk_draw_line (GDK_DRAWABLE (window),
                              gtk_widget_get_style(GTK_WIDGET (view))->base_gc[GTK_STATE_SELECTED],
@@ -2030,8 +2030,9 @@ void
 mousepad_view_strip_trailing_spaces (MousepadView *view)
 {
   GtkTextBuffer *buffer;
-  GtkTextIter    start_iter, end_iter, needle;
-  gint           start, end, i;
+  GtkTextMark   *mark;
+  GtkTextIter    start_iter, end_iter, needle, current_iter;
+  gint           start, end, i, current;
   gunichar       c;
 
   mousepad_return_if_fail (MOUSEPAD_IS_VIEW (view));
@@ -2055,9 +2056,18 @@ mousepad_view_strip_trailing_spaces (MousepadView *view)
   g_object_freeze_notify (G_OBJECT (buffer));
   gtk_text_buffer_begin_user_action (buffer);
 
+  /* get the current seleted line */
+  mark = gtk_text_buffer_get_insert (buffer);
+  gtk_text_buffer_get_iter_at_mark (buffer, &current_iter, mark);
+  current = gtk_text_iter_get_line (&current_iter);
+
   /* walk all the selected lines */
   for (i = start; i < end; i++)
     {
+      /* skip if the line is the current selected line. */
+      if (i == current)
+        continue;
+
       /* get the iter at the line */
       gtk_text_buffer_get_iter_at_line (buffer, &end_iter, i);
 
-- 
1.7.9.5