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133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
#!/usr/bin/env python2
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#
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# larcon_self.py -- Frame for a single larcon tool
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# (c) Copyright 2009-2011 Michael Towers (larch42 at googlemail dot com)
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#-------------------------------------------------------------------
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# 2011.01.16
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from suim import Suim
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class LarconGui(Suim):
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def __init__(self, appname, backend):
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self.appname = appname
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self.app_backend = backend
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# Tell the backend how to send signals to the GUI
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self.app_backend.setuisig(self.sigin)
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self._running = False
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Suim.__init__(self, appname, [appname])
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self.widgetlist(self.fss('uim_fetch', 'larcon.uim'))
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self.connect('$$$uiquit$$$', self.quit)
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self.command('larcon.title', appname)
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icon, logo = self.fss('pixmaps', appname)
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self.command('larcon.icon', icon)
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self.command('larcon:pixmap.image', logo)
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self.command('larcon:header.markup', ['h3', ['color', '#c55500',
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['em', appname], self.fss('header')]])
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self.command('larcon:main.layout', ['VBOX', appname])
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self.connect('larcon:docs*clicked', self._showdocs)
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self._showdocs(init=True)
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def quit(self):
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Suim.quit(self)
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def interface(self, func, *args):
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"""Interface between GUI and file-system accessing functions (normally
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the main, functional part of the application). The first argument is the
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function name. There may be any number of arguments, including none.
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The simplest functions, those completing quickly and without interaction,
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return a non-<None> result - the type of the result is open.
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Longer running functions, or those that require some interaction return
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<None>, and then communicate subsequently using 'signals'.
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"""
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return getattr(self.app_backend, 'fss_' + func)(*args)
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def fss(self, func, *args):
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"""Supply backend (file-system) services to the gui
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"""
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if func:
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if self._running and (func[0] != '_'):
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self.busy(True)
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# (Repeated setting or unsetting of the busy state is just ignored)
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result = self.interface(func, *args)
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else:
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result = True
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if self._running and result != None:
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self.busy(False)
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return result
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def data(self, key):
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return self.command('larcon_data.get', key)
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def _showdocs(self, init=False):
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if init:
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self.helptext = self.fss('about')
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self.helpstate = False
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else:
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self.helpstate = not self.helpstate
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if self.helpstate:
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self.command('larcon:docview.html', self.helptext)
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state = 1
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buttontext = self.data('hidetext')
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tooltip = self.data('hidett')
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else:
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state = 0
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buttontext = self.data('showtext')
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tooltip = self.data('showtt')
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self.command('larcon:stack.set', state)
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self.command('larcon:docs.text', buttontext)
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self.command('larcon:docs.tt', tooltip)
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def go(self):
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self.command('larcon.pack')
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self.command('larcon.show')
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self.run()
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def sigin(self, signal, *args):
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if signal:
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self.idle_add(getattr(self, 'sig_' + signal), *args)
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def sig_get_password(self, message):
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"""This is a callback, triggered by signal 'get_password'
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to ask the user to input the password.
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"""
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self.fss('sendpassword', *self.command('textLineDialog', message,
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"%s: pw" % self.appname, "", True))
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def sig_showcompleted(self, ok, message):
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"""This is a callback, triggered by signal 'showcompleted'
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to display an info dialog.
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"""
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self.command('infoDialog' if ok else 'warningDialog', message)
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self.fss(None) # Tell 'fss' that the command has terminated
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