hex mode improvements round two

--HG--
branch : pmacs2

buffer.py

@@ -519,13 +519,16 @@ class Binary32Buffer(FileBuffer):
     btype = 'bin32file'
     wordsize = 4
     numwords = 4
+    data     = None
     def __init__(self, path, nl='\n', name=None):
         '''fb = FileBuffer(path)'''
         FileBuffer.__init__(self, path, nl, name)
     def read_filter(self, data):
+        self.rawdata = []
         lines = []
         i = 0
         while i < len(data):
+            self.rawdata.append(data[i:i + self.numwords * self.wordsize])
             j = 0
             words = []
             while j < self.numwords * self.wordsize and i + j < len(data):

mode/hex.py

@@ -17,6 +17,12 @@ class Hex(mode.Fundamental):
         'zero':      ('magenta', 'default'),
         'byte':      ('white', 'default'),
     }
+    lmargin = 12
+    rmargin = 18
+    _ctrans = ['.'] * 256
+    for c in string.letters + string.digits + string.punctuation + ' ':
+        _ctrans[ord(c)] = c
+    ctrans = ''.join(_ctrans)
     def __init__(self, w):
         mode.Fundamental.__init__(self, w)
 
@@ -30,20 +36,19 @@ class Hex(mode.Fundamental):
                 self.add_binding('overwrite-char-%s' % c.lower(), c)
             else:
                 self.del_binding(c)
-
-    def enable_line_numbers(self):
-        self.show_line_numbers = True
-        self.lmargin = 12
-    def disable_line_numbers(self):
-        self.show_line_numbers = False
-        self.lmargin = 0
     def get_lmargin(self, y, x=0, ended=False, cont=False):
         lm = self.lmargin
         if ended:
             s = '  --------  '
         elif x == 0:
-            s = '0x%08x  ' % y
+            s = '0x%08x  ' % (y * 16)
-        return (s, color.build('default', 'default', 'bold'))
+        return (s, color.build('cyan', 'default', 'bold'))
+    def get_rmargin(self, y, x=0, ended=False, cont=False):
+        if ended:
+            s = ''
+        else:
+            s = string.translate(self.window.buffer.rawdata[y], self.ctrans)
+        return (s, color.build('green', 'default', 'bold'))
 
 class GotoWord(Method):
     '''Jump to the specified line number'''