diff -r 5cd40c30c4f2 -r 2bead23b1262 tuikit/driver.py
--- a/tuikit/driver.py	Fri Mar 14 10:30:43 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-# -*- coding: utf-8 -*-
-'''Tuikit driver base.'''
-
-from tuikit.common import Size, ClipStack, UnicodeGraphics
-
-
-class Driver:
-
-    '''Abstract driver interface. Use as base for drivers.'''
-
-    def __init__(self):
-        '''Initialize instance attributes.'''
-        #: Screen size.
-        self.size = Size()
-        #: Clipping region stack.
-        self.clipstack = ClipStack()
-        #: Unicode graphics characters.
-        self.unigraph = UnicodeGraphics()
-        #: Stack of color prefixes.
-        self.colorprefix = []
-
-
-    ## drawing ##
-
-    def puts(self, x, y, s):
-        '''Output string of characters.'''
-        for c in s:
-            self.putch(x, y, c)
-            x += 1
-
-    def hline(self, x, y, w, c=' '):
-        '''Draw horizontal line.'''
-        if isinstance(c, str):
-            s = c*w
-        else:
-            s = [c]*w
-        self.puts(x, y, s)
-
-    def vline(self, x, y, h, c=' '):
-        '''Draw vertical line.'''
-        for i in range(h):
-            self.putch(x, y+i, c)
-
-    def fill_clip(self, c=' '):
-        """Fill current clip region."""
-        rect = self.clipstack.top()
-        self.fill(rect.x, rect.y, rect.w, rect.h, c)
-
-    def fill(self, x, y, w, h, c=' '):
-        '''Fill rectangular area.'''
-        for i in range(h):
-            self.hline(x, y + i, w, c)
-
-    def frame(self, x, y, w, h):
-        '''Draw rectangular frame using line-drawing characters.'''
-        self.putch(x, y, self.unigraph.ULCORNER)
-        self.putch(x+w-1, y, self.unigraph.URCORNER)
-        self.putch(x, y+h-1, self.unigraph.LLCORNER)
-        self.putch(x+w-1, y+h-1, self.unigraph.LRCORNER)
-        self.hline(x+1, y, w-2, self.unigraph.HLINE)
-        self.hline(x+1, y+h-1, w-2, self.unigraph.HLINE)
-        self.vline(x, y+1, h-2, self.unigraph.VLINE)
-        self.vline(x+w-1, y+1, h-2, self.unigraph.VLINE)
-
-
-    ## colors ##
-
-    def pushcolorprefix(self, name):
-        self.colorprefix.append(name)
-
-    def popcolorprefix(self):
-        self.colorprefix.pop()
-