[tor-commits] [nyx/master] Curses setup() function

[atagar@xxxxxxxxxxxxxx]

commit 505f4e623097d29fcc7361d375b8e11a411a4971
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Tue Mar 15 08:43:29 2016 -0700

    Curses setup() function
    
    Moving our one-time curses setup to the nyx.curses module.
---
 nyx/controller.py | 18 +++---------------
 nyx/curses.py     | 22 ++++++++++++++++++++++
 nyx/menu/menu.py  |  2 +-
 3 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/nyx/controller.py b/nyx/controller.py
index 9a75f60..54508aa 100644
--- a/nyx/controller.py
+++ b/nyx/controller.py
@@ -102,7 +102,7 @@ class Controller:
     top to bottom on the page.
 
     Arguments:
-      stdscr       - curses window
+      stdscr - curses window
     """
 
     self._screen = stdscr
@@ -381,7 +381,7 @@ def start_nyx(stdscr):
   Main draw loop context.
 
   Arguments:
-    stdscr    - curses window
+    stdscr - curses window
   """
 
   global NYX_CONTROLLER
@@ -403,19 +403,7 @@ def start_nyx(stdscr):
   for panel_impl in control.get_daemon_panels():
     panel_impl.start()
 
-  # allows for background transparency
-
-  try:
-    curses.use_default_colors()
-  except curses.error:
-    pass
-
-  # makes the cursor invisible
-
-  try:
-    curses.curs_set(0)
-  except curses.error:
-    pass
+  nyx.curses.setup(transparent_background = True, cursor = False)
 
   # logs the initialization time
 
diff --git a/nyx/curses.py b/nyx/curses.py
index 18da7f2..fa2a77c 100644
--- a/nyx/curses.py
+++ b/nyx/curses.py
@@ -9,6 +9,7 @@ if we want Windows support in the future too.
 ::
 
   curses_attr - curses encoded text attribute
+  setup - configures curses settings
 
   is_color_supported - checks if terminal supports color output
   get_color_override - provides color we override requests with
@@ -151,6 +152,27 @@ def curses_attr(*attributes):
   return encoded
 
 
+def setup(transparent_background = False, cursor = True):
+  """
+  One time setup operations for configuring curses.
+
+  :param bool transparent_background: allows background transparency
+  :param bool cursor: makes cursor visible
+  """
+
+  if transparent_background:
+    try:
+      curses.use_default_colors()
+    except curses.error:
+      pass
+
+  if not cursor:
+    try:
+      curses.curs_set(0)
+    except curses.error:
+      pass
+
+
 def is_color_supported():
   """
   Checks if curses currently supports rendering colors.
diff --git a/nyx/menu/menu.py b/nyx/menu/menu.py
index df7d499..1deab02 100644
--- a/nyx/menu/menu.py
+++ b/nyx/menu/menu.py
@@ -113,7 +113,7 @@ def show_menu():
 
           draw_label = ' %s ' % top_level_item.get_label()[1]
           popup.addstr(0, draw_left, draw_label, BOLD, attr)
-          popup.addch(0, draw_left + len(draw_label), curses.ACS_VLINE)
+          popup.vline(0, draw_left + len(draw_label), 1)
 
           draw_left += len(draw_label) + 1
 



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