[tor-commits] [nyx/master] Stacktrace when resizing graph

[atagar@xxxxxxxxxxxxxx]

commit 7d486ef3d970b0185e0659ed558f2cbe24e0dc10
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Fri Mar 25 09:03:25 2016 -0700

    Stacktrace when resizing graph
    
    Bug spotted by yurb.
---
 nyx/curses.py      | 7 ++++---
 nyx/panel/graph.py | 5 ++++-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/nyx/curses.py b/nyx/curses.py
index 67305c6..8e41bb3 100644
--- a/nyx/curses.py
+++ b/nyx/curses.py
@@ -378,7 +378,8 @@ def is_wide_characters_supported():
 
 def draw(func, left = 0, top = 0, width = None, height = None):
   """
-  Renders subwindow using the given draw function.
+  Renders a subwindow. This calls the given draw function with a
+  :class:`~nyx.curses._Subwindow`.
 
   :param function func: draw function for rendering the subwindow
   :param int left: left position of the panel
@@ -401,11 +402,11 @@ def draw(func, left = 0, top = 0, width = None, height = None):
 
     curses_subwindow = CURSES_SCREEN.subwin(subwindow_height, subwindow_width, top, left)
     curses_subwindow.erase()
-    func(Subwindow(subwindow_width, subwindow_height, curses_subwindow))
+    func(_Subwindow(subwindow_width, subwindow_height, curses_subwindow))
     curses_subwindow.refresh()
 
 
-class Subwindow(object):
+class _Subwindow(object):
   """
   Subwindow that can be drawn within.
 
diff --git a/nyx/panel/graph.py b/nyx/panel/graph.py
index 212ee85..510fa14 100644
--- a/nyx/panel/graph.py
+++ b/nyx/panel/graph.py
@@ -16,6 +16,7 @@ import copy
 import time
 
 import nyx.controller
+import nyx.curses
 import nyx.panel
 import nyx.popups
 import nyx.tracker
@@ -484,7 +485,9 @@ class GraphPanel(nyx.panel.Panel):
             # don't grow the graph if it's already consuming the whole display
             # (plus an extra line for the graph/log gap)
 
-            max_height = self.parent.getmaxyx()[0] - self.top
+            with nyx.curses.raw_screen() as stdscr:
+              max_height = stdscr.getmaxyx()[0] - self.top
+
             current_height = self.get_height()
 
             if current_height < max_height + 1:

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