[meld] Fix delete and copy up linkmap actions at EOF

[Kai Willadsen <kaiw src gnome org>]

commit 30b95069f42960738768ad48f424d8621917e40b
Author: Piotr Piastucki <leech miranda gmail com>
Date:   Mon Aug 10 18:16:17 2009 +0200

    Fix delete and copy up linkmap actions at EOF

 filediff.py |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/filediff.py b/filediff.py
index 25a5c86..1adb849 100644
--- a/filediff.py
+++ b/filediff.py
@@ -1343,10 +1343,15 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
                     b0 = self.textbuffer[src]
                     b1 = self.textbuffer[dst]
                     if self.keymask & MASK_SHIFT: # delete
-                        b0.delete(get_iter_at_line_or_eof(b0, chunk[0]), get_iter_at_line_or_eof(b0, chunk[1]))
+                        it = get_iter_at_line_or_eof(b0, chunk[0])
+                        if chunk[1] >= b0.get_line_count():
+                            it.backward_char()
+                        b0.delete(it, get_iter_at_line_or_eof(b0, chunk[1]))
                     elif self.keymask & MASK_CTRL: # copy up or down
                         t0 = b0.get_text( get_iter_at_line_or_eof(b0, chunk[0]), get_iter_at_line_or_eof(b0, chunk[1]), 0)
                         if event.y - rect[1] < 0.5 * rect[3]: # copy up
+                            if chunk[1] >= b0.get_line_count() and chunk[2] < b1.get_line_count():
+                                t0 = t0 + "\n"
                             insert_with_tags_by_name(b1, chunk[2], t0, "edited line")
                         else: # copy down
                             insert_with_tags_by_name(b1, chunk[3], t0, "edited line")