Begin work on new urwid interface.

newfol

@@ -56,29 +56,25 @@ def convert_color(x):
 locale.setlocale(locale.LC_ALL, '')
 
 def start_curses():
-    try:
-        mainwin = curses.initscr()
-        curses.start_color()
-        attr = 0
-        if curses.has_colors() and curses.can_change_color():
-            curses.start_color()
-            curses.use_default_colors()
-            curses.init_color(22, convert_color(0xee), convert_color(0xd6),
-                    convert_color(0x80))
-            curses.init_color(23, convert_color(0x66), convert_color(0x38),
-                    convert_color(0x22))
-            curses.init_pair(1, 23, 22)
-            attr = curses.color_pair(1)
-        mainpanel = curses.panel.new_panel(mainwin)
-        mainpanel.show()
-        curses.panel.update_panels()
-        mainwin.addstr("Hello, world!", attr)
-        curses.doupdate()
-        mainwin.getch()
-        curses.endwin()
-    except Exception as e:
-        curses.endwin()
-        raise e
+    palette = [
+            ('bg', 'black', 'yellow', '', 'black', '#ffa'),
+            ('text', 'black', 'yellow', '', '#860', '#ffa'),
+    ]
+    intro1 = urwid.Text(("text", "newfol " + __version__), align="center")
+    intro2 = urwid.Text(("text", "Press q to quit at any time."),
+            align="center")
+    pile = urwid.Pile([
+        urwid.AttrMap(intro1, "bg"),
+        urwid.AttrMap(intro2, "bg")])
+    fill = urwid.Filler(pile)
+    map2 = urwid.AttrMap(fill, "bg")
+
+    def exit_on_q(inp):
+        if inp in ('q', 'Q'):
+            raise urwid.ExitMainLoop()
+    loop = urwid.MainLoop(map2, palette, unhandled_input=exit_on_q)
+    loop.screen.set_terminal_properties(colors=256)
+    loop.run()
 
 def load_schemata():
     vault = filemanip.FileStorage('csv', os.path.expanduser("~/.newfol/schema"))