Import jack_3.1.1+cvs20050801.orig.tar.gz

[dgit import orig jack_3.1.1+cvs20050801.orig.tar.gz]

1 files changed, 198 insertions, 0 deletions

diff --git a/jack_term.py b/jack_term.py
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+### jack_term: terminal specific stuff for
+### jack - extract audio from a CD and encode it using 3rd party software
+### Copyright (C) 1999-2002  Arne Zellentin <zarne@users.sf.net>
+
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+### GNU General Public License for more details.
+
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software
+### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+# terminal is one of dumb, curses
+
+import array
+import traceback
+import fcntl
+import sys
+
+import jack_ripstuff
+import jack_freedb
+
+from jack_globals import *
+
+# exported functions:
+#init
+#enable
+#disable
+
+# expected functions in tmod:
+#update
+#getkey
+#sig_winch_handler
+
+# exported variables:
+enabled = None
+initialized = None
+size_x, size_y = None, None
+orig_size_x, orig_size_y = None, None
+term_type = None
+sig_winch_cache = None
+
+# variables
+xtermset = None
+can_getsize = None
+geom_changed = None
+
+
+def init(arg_type="auto", arg_xtermset = 0):
+    global initialized
+    global geom_changed
+    global tmod
+    global xtermset
+    global term_type
+    global size_x, size_y
+    global orig_size_x, orig_size_y
+    size_x, size_y = None, None
+    
+    if initialized:
+        return
+
+    # import the terminal specific module
+    if arg_type == "auto":
+        try:
+            import jack_t_curses as tmod
+            term_type = "curses"
+        except:
+            import jack_t_dumb as tmod
+            term_type = "dump"
+    elif arg_type == "dumb":
+        import jack_t_dumb as tmod
+        term_type = "dump"
+    elif arg_type == "curses":
+        import jack_t_curses as tmod
+        term_type = "curses"
+
+    if not tmod:
+        error("invalid terminal type `%s'" % term_type)
+
+    xtermset = arg_xtermset
+
+    initialized = 1
+    geom_changed = 0
+    size_x, size_y = 80, 24     # fallback value
+
+    oldsize = getsize()
+    if oldsize != (None, None):
+        orig_size_x, orig_size_y = oldsize
+        size_x, size_y = oldsize
+    del oldsize
+
+def xtermset_enable():
+    global xtermset
+    global geom_changed
+    if xtermset:
+        import os
+        want_x = 80 - len("track_00") + jack_ripstuff.max_name_len
+        want_y = len(jack_ripstuff.all_tracks_todo_sorted) + 3
+        if term_type == "curses":
+            want_y = want_y - 1
+        if jack_freedb.names_available:
+            want_y = want_y + 1
+        want_y = max(want_y, 7)
+        if (size_x, size_y) != (want_x, want_y):
+            try:
+                os.system("xtermset -geom %dx%d" % (want_x, want_y))
+                geom_changed = 1
+                resize()
+            except:
+                warning("failed to call xtermset, is it really installed?")
+                xtermset = 0
+        del want_x, want_y
+
+def xtermset_disable():
+    import os
+    global geom_changed
+    if xtermset and geom_changed:
+        try:
+            os.system("xtermset -restore -geom %dx%d" % (orig_size_x, orig_size_y))
+            geom_changed = 0
+        except:
+            pass
+
+def getsize():
+    global can_getsize
+    if can_getsize == 0:
+        return None, None
+
+    if can_getsize == None:
+        try:
+            from IOCTLS import TIOCGWINSZ
+        except ImportError:
+            try:
+                from termios import TIOCGWINSZ
+            except ImportError:
+                # TIOCGWINSZ = 0x5413 # linux, ix86. Anyone else?
+                can_getsize = 0
+                warning("""could not find a module which exports
+TIOCGWINSZ.  This means I can't determine your terminal's geometry, so please
+don't resize it. Use Tools/scripts/h2py.py from the Python source distribution
+to convert /usr/include/asm/ioctls.h to IOCTLS.py and install it.""")
+                return None, None
+    try:
+        # to get the size, we will have to do an ioctl which will return a
+        # struct winsize {
+        #         unsigned short ws_row;
+        #         unsigned short ws_col;
+        #         unsigned short ws_xpixel;
+        #         unsigned short ws_ypixel;
+        # };
+        # (according to _I386_TERMIOS_H, /usr/include/asm/termios.h)
+
+        winsize = array.array("H")
+        data = " " * (winsize.itemsize * 4)
+        data = fcntl.ioctl(sys.stdout.fileno(), TIOCGWINSZ, data)
+        # unpack the data, I hope this is portable:
+        winsize.fromstring(data)
+        new_y, new_x, xpixel, ypixel = winsize.tolist()
+    except:
+        can_getsize = 0
+        return None, None
+    return new_x, new_y
+
+def resize():
+    global size_x, size_y
+    x, y = getsize()
+    if (x, y) != (None, None):
+        size_x, size_y = x, y
+
+def enable():
+    global enabled
+
+    if not initialized:
+        return
+
+    if enabled:
+        return
+
+    xtermset_enable()
+    tmod.enable()
+    enabled = 1
+
+def disable():
+    global enabled
+    import os
+
+    if not enabled or not initialized:
+        return
+
+    tmod.disable()
+    xtermset_disable()
+    enabled = 0