# HG changeset patch
# User Jun Wu <quark@fb.com>
# Date 2016-11-23 22:23:15
# Node ID f3cff00c7a00d1d5b7850ceb0b96545a389139af
# Parent  d4035372db8dc0cc27dcc7145ce9b496f9cd4796

crecord: make _getstatuslines update numstatuslines

We are going to make the text in the status window dynamically generated,
so its size would be dynamic. Change getstatuslines to update
"numstatuslines" automatically. Fix an issue where "numstatuslines" being 1
makes the chunkpad disappear.

diff --git a/mercurial/crecord.py b/mercurial/crecord.py
--- a/mercurial/crecord.py
+++ b/mercurial/crecord.py
@@ -541,7 +541,7 @@ class curseschunkselector(object):
         # keeps track of the number of lines in the pad
         self.numpadlines = None
 
-        self.numstatuslines = 2
+        self.numstatuslines = 1
 
         # keep a running count of the number of lines printed to the pad
         # (used for determining when the selected item begins/ends)
@@ -955,6 +955,9 @@ class curseschunkselector(object):
                        "(space/A) toggle hunk/all; (e)dit hunk;"),
                      _(" (f)old/unfold; (c)onfirm applied; (q)uit; (?) help "
                        "| [X]=hunk applied **=folded, toggle [a]mend mode")]
+        if len(lines) != self.numstatuslines:
+            self.numstatuslines = len(lines)
+            self.statuswin.resize(self.numstatuslines, self.xscreensize)
         return [util.ellipsis(l, self.xscreensize - 1) for l in lines]
 
     def updatescreen(self):
@@ -979,7 +982,7 @@ class curseschunkselector(object):
             self.updatescroll()
             self.chunkpad.refresh(self.firstlineofpadtoprint, 0,
                                   self.numstatuslines, 0,
-                                  self.yscreensize + 1 - self.numstatuslines,
+                                  self.yscreensize - self.numstatuslines,
                                   self.xscreensize)
         except curses.error:
             pass