diff options
| -rw-r--r-- | tcvt.1 | 2 | ||||
| -rwxr-xr-x | tcvt.py | 18 |
2 files changed, 15 insertions, 5 deletions
@@ -27,6 +27,8 @@ In addition the \fBtcvt\fP tool accepts a few switches. Specify the number of columns. This defaults to two. .It Fl h , Fl Fl help Print a quick option overview and exit. +.It Fl r , Fl Fl reverse +Order columns so that the last one is the left most. .It Fl Fl Signal end of options. .El @@ -115,7 +115,7 @@ class BadWidth(Exception): pass class Columns: - def __init__(self, curseswindow, numcolumns=2): + def __init__(self, curseswindow, numcolumns=2, reverse=False): self.screen = curseswindow self.height, width = self.screen.getmaxyx() if numcolumns < 1: @@ -130,6 +130,8 @@ class Columns: 0, i * (self.columnwidth + 1)) window.scrollok(1) self.windows.append(window) + if reverse: + self.windows.reverse() self.ypos, self.xpos = 0, 0 for i in range(1, numcolumns): self.screen.vline(0, i * (self.columnwidth + 1) - 1, @@ -303,7 +305,7 @@ simple_characters = bytearray( b'\xb4\xb6\xb7\xc3\xc4\xd6\xdc\xe4\xe9\xfc\xf6') class Terminal: - def __init__(self, acsc, columns): + def __init__(self, acsc, columns, reverse=False): self.mode = (self.feed_simple,) self.realscreen = None self.screen = None @@ -312,6 +314,7 @@ class Terminal: self.graphics_chars = acsc # really initialized after self.lastchar = ord(b' ') self.columns = columns + self.reverse = reverse def switchmode(self): if isinstance(self.screen, Columns): @@ -325,7 +328,8 @@ class Terminal: self.realscreen.refresh() self.realscreen.clear() try: - self.screen = Columns(self.realscreen, self.columns) + self.screen = Columns(self.realscreen, self.columns, + reverse=self.reverse) except BadWidth: self.screen = Simple(self.realscreen) @@ -344,7 +348,8 @@ class Terminal: self.realscreen.keypad(1) curses.start_color() init_color_pairs() - self.screen = Columns(self.realscreen, self.columns) + self.screen = Columns(self.realscreen, self.columns, + reverse=self.reverse) curses.noecho() curses.raw() self.graphics_chars = compose_dicts(self.graphics_chars, acs_map()) @@ -648,9 +653,12 @@ def main(): parser.disable_interspersed_args() parser.add_option("-c", "--columns", dest="columns", metavar="N", type="int", default=2, help="number of columns") + parser.add_option("-r", "--reverse", action="store_true", + dest="reverse", default=False, + help="order last column to the left") options, args = parser.parse_args() keymapping, acsc = compute_keymap(symbolic_keymapping) - t = Terminal(acsc, options.columns) + t = Terminal(acsc, options.columns, reverse=options.reverse) errpiper, errpipew = os.pipe() set_cloexec(errpipew) |