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#!/usr/bin/env python2
#
# (c) Copyright 2010 Michael Towers (larch42 at googlemail dot com)
#
# This file is part of the larch project.
#
# larch 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.
#
# larch 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 larch; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#----------------------------------------------------------------------------
#2010.10.12
import __builtin__
from liblarch.suim import Suim, debug
__builtin__.debug = debug
def larchcall(script, *args):
if script[0] != '*':
progress.start() # initialize progress widget
ui.setcb(None)
else:
# This script won't switch to the progress widget, but accepts
# a callback to handle the resulting output
script = script[1:]
ui.setcb(args[0])
args = args[1:]
fss('larchscript', script, *args)
__builtin__.larchcall = larchcall
class Ui(Suim):
def __init__(self):
self.setcb(None)
Suim.__init__(self, 'larch', busywidgets=[':larch'])
self.connect('$$$uiclose$$$', self.quit)
self.connect('$$$uiquit$$$', self.quit)
self.connect('$$$cancel$$$', self.interrupt)
self.progressing = False # used for managing progress display
def sigin(self, signal, *args):
self.idle_add(getattr(self, 'sig_' + signal), *args)
def setcb(self, cb):
"""Set a callback to run when a 'larchscript' sends an output line,
or completes.
"""
self._read_cb = cb
def isbusy(self):
return self._read_cb != None
def runningtab(self, i=None):
if (i == None):
i = 1 if progress.active else 0
if (i == 0) and hasattr(stage, 'reenter'):
stage.reenter()
self.command(':tabs.set', i)
def fileDialog(self, message, startdir=None, create=False,
dirsonly=False, file=None, filter=None):
# Actually this should access the file-system via 'fss' ...
# (that would require a new, custom widget)
if dirsonly:
return self.command('fileDialog_getdir', message, not create, startdir)
if file and startdir:
startdir = startdir + '/' + file
if create:
return self.command('fileDialog_save', message, startdir, filter)
return self.command('fileDialog_open', message, startdir, filter)
def enable_installation_page(self, on):
self.command(':notebook.enableTab', 1, on)
def interrupt(self):
fss('larchscript', 'interrupt')
def quit(self):
"""Do any tidying up which may be necessary.
"""
fss('larchscript', 'close')
Suim.quit(self)
def data(self, key):
return self.command('main_page_data.get', key)
def sig_get_password(self, message):
"""This is a callback, triggered by signal 'get_password'
to ask the user to input the password.
"""
fss('larchscript', 'sendpassword', *ui.command('textLineDialog',
message, "larch: pw", "", True))
def sig_line_cb(self, message):
"""A line has been received from the 'larchscript' (this is a callback,
in the main thread).
The input lines are filtered for pacman, mksquashfs and mkisofs
progress output so that appropriate progress reports can be given.
"""
if message.startswith('>-'):
if message.startswith('>-_$$_'):
# Informing us of the pid
fss('larchscript', 'pid', int(message.rsplit('_', 1)[1]))
else:
# It is a progress report
progress.set(message[2:])
self.progressing = True
return
else:
if self.progressing:
progress.set()
self.progressing = False
progress.addLine(message)
if message.startswith('?>'):
# a query (yes/no): pop up the query
fss('larchscript', 'reply', '??YES' if ui.command(
'confirmDialog', message[2:]) else '??NO')
elif self._read_cb:
self._read_cb(message)
def sig_end_cb(self, ok):
"""A callback for the end of a 'larchscript'.
The completion code, ok, is ignored.
"""
if self._read_cb:
self._read_cb(None)
self._read_cb = None
self.busy(False)
else:
progress.end()
def sig_log(self, line):
logger.addLine(line)
def tab_changed(index):
__builtin__.stage = pages[index]
stage.enter()
from page_project import ProjectSettings
from page_installation import Installation
from page_larchify import Larchify
from page_medium import Medium
from docviewer import DocViewer
from editor import Editor
from logview import Logger, Progress
def run_error(message, title=None):
ui.command('warningDialog', message, title)
__builtin__.run_error = run_error
pages = [] # Must be initialized before init() because of calls to tab_changed
def init():
pages.append(ProjectSettings())
pages.append(Installation())
pages.append(Larchify())
pages.append(Medium())
__builtin__.docviewer = DocViewer()
__builtin__.edit = Editor().edit
__builtin__.progress = Progress()
__builtin__.logger = Logger()
MainWindow = fss('fetch_layout', 'page_main.uim')
ui.widgetlist(MainWindow)
ui.connect(':notebook*changed', tab_changed)
ui.command(':larch.pack')
# Set up the first gui page (project settings)
pages[0].setup()
ui.command(':larch.show')
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