/usr/share/pyshared/Eikazo/Eikazo.py is in eikazo 0.5.2-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) Abel Deuring 2006 <adeuring@gmx.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.
"""
"""
complete Eikazo user interface.
The main widget can laso be included in another program
"""
import os
import gtk
import SaneThread, threading
import Widgets, Config
import Preview
import ScanJob
import I18n
import Processor
import Help
import Plugins
import output, postprocessing
from SaneError import SaneError
from devices.scannerinfo import scannerinfo
t = I18n.get_translation('eikazo')
if t:
_ = t.gettext
else:
_ = lambda x: x
t2 = I18n.get_translation('sane-backends')
if t2:
SB_ = t2.gettext
else:
SB_ = lambda x: x
class ScanStarter(Processor.SaneInputProducer):
def __init__(self, device):
Processor.SaneInputProducer.__init__(self)
self.device = device
self.scanprocessor = None
def set_scanprocessor(self, processor):
self.scanprocessor = processor
def set_start_button(self, button):
self.startbutton = button
button.connect('clicked', self.do_start)
def do_start(self, widget):
# FIXME: add bureaucracy like filename definition here, not as
# late as in the write processor!!
self.scan_one()
def scan_one(self):
job = Processor.SaneScanJob(self)
try:
self.scanprocessor.append(job)
except SaneError, value:
if str(value) == "SaneQueueingProcessor.append: queue full":
pending = self.scanprocessor.numjobs(True)
# method can be called from the scan proceccor thread.
msg = _("cannot start a new scan. %i pending scan job(s)") % pending
if threading.currentThread() == SaneThread.mainthread:
self.show_errmsg(msg)
else:
gtk.gdk.threads_enter()
self.show_errmsg()
gtk.gdk.threads_leave()
else:
raise
def show_errmsg(self, msg):
errmsg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, msg)
errmsg.run()
errmsg.destroy()
def next_job(self):
# callback from scanprocessor: request for a new job
if self.device.adf_mode():
self.scan_one()
def delete_from_id(self, id):
return
class DeviceControl:
""" - provides widgets which are "collections" of smaller widgets
controlling device parameters
- provides the scan processor
"""
_nodisplayOpts = []
_mainOpts = ['source', 'mode', 'resolution', 'y_resolution',
'tl_x', 'br_x', 'tl_y', 'br_y',
'pagewidth', 'pageheight', 'overscan'
]
# The Sane option constraints are represented in the PIL Sane
# module as:
# None -> no constraint;
# tuple -> range constraint
# list -> selection list
# Some scanners allow for example only a fixed list of resolutions, so
# we need to be able to deal with all types of constraints.
_num_constrmap = { type(None): ('number field', ),
type([]): ('choice', ),
type(()): ('hscale', 'number field'),
}
_default_map = { type(None): ('default', ),
}
_mainOptWTypes = {
Widgets.SANE_TYPE_BOOL: _default_map,
Widgets.SANE_TYPE_INT: _num_constrmap,
Widgets.SANE_TYPE_FIXED: _num_constrmap,
Widgets.SANE_TYPE_STRING: { type(None): ('string field', ),
type([]): ('choice', ),
},
Widgets.SANE_TYPE_BUTTON: _default_map,
Widgets.SANE_TYPE_GROUP: { type(None): (),
},
}
def __init__(self, device, config, notify_hub):
self.device = device
self.config = config
self._tabs = []
self.notify_hub = notify_hub
self.scanstarter = ScanStarter(device)
self.scanprocessor = Processor.SaneScannerControl(device,
self.scanstarter,
notify_hub, 2)
self.scanstarter.set_scanprocessor(self.scanprocessor)
deviceinfo = scannerinfo(device.devicename)
nodisplayOpts = self._nodisplayOpts[:]
replacementOpts = {}
replacementPos = []
self.specialDeviceCaps = []
# device_status: a speicel widget optionally provided by a device
# plugin to display additional information
self.deviceStatusWidget = None
for r in deviceinfo:
# "input elements" of the device like buttons or
# "selectors"
if r['usage'] == None or r['type'] in ('button', 'selection'):
nodisplayOpts.append(r['name'])
elif r['type'] == 'cap':
devcap = r['usage']()
self.specialDeviceCaps.append(devcap)
capOpts = devcap.widgets(device, self, self.config)
# search for a status widget; this does not fit in
# any other tab, but is useful in the "scan" tab
for i in xrange(len(capOpts)-1, -1, -1):
if capOpts[i][:2] == ('status', 'gtksane_status'):
self.deviceStatusWidget = capOpts[i][2]
capOpts.pop(i)
replacementPos += [x[:2] for x in capOpts]
replacementOpts.update([(x[0], x[2]) for x in capOpts])
allOpts = device.getOptionNames()
o = device.getOptions()
o = [(x[9], x) for x in o]
optinfo = {}
optinfo.update(o)
mainOpts = [x for x in self._mainOpts \
if x in allOpts and not x in nodisplayOpts]
addMain = [x[0] for x in replacementOpts \
if x[1] == 'main' and not x[0] in mainOpts]
mainOpts += addMain
optbox = gtk.Table(len(mainOpts), 3, homogeneous=False)
optbox.set_col_spacing(0, 6)
pos = 0
for opt in mainOpts:
hpos = 1
if opt in replacementOpts.keys():
# FIXME: should be possible to select, which widget types
# we want!
widgets = replacementOpts[opt]
for w in widgets:
if hpos == 1:
l = w.titleWidget()
l.set_alignment(0, 0.5)
optbox.attach(l, 0, 1, pos, pos+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
l.show()
optbox.attach(w, hpos, hpos+1, pos, pos+1,
xoptions=gtk.FILL|gtk.EXPAND, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
else:
optbox.attach(w, hpos, hpos+1, pos, pos+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
w.show()
hpos += 1
else:
otype = optinfo[opt][4]
constr = optinfo[opt][8]
for t in self._mainOptWTypes[otype][type(constr)]:
w = device.createOptionWidget(opt, self.config, t)
if hpos == 1:
l = w.titleWidget()
l.set_alignment(0, 0.5)
optbox.attach(l, 0, 1, pos, pos+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
l.show()
optbox.attach(w, hpos, hpos+1, pos, pos+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
else:
optbox.attach(w, hpos, hpos+1, pos, pos+1,
xoptions=gtk.FILL|gtk.EXPAND, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
if t == 'hscale' and w.__class__ == Widgets.HScale:
w.set_draw_value(False)
w.show()
hpos += 1
pos += 1
self.mainOptsPane = pane = gtk.HPaned()
pane.pack1(optbox, shrink=False, resize=True)
optbox.show()
self._tabs.append((_('Main Scan\nParameters'), pane))
for groupname, opts in device.getGroupedOptionNames():
opts = [x for x in opts if not x in self._mainOpts \
and not x in nodisplayOpts]
if opts:
optbox = gtk.Table(len(opts), 2)
optbox.set_col_spacing(0, 6)
pos = 0
for opt in opts:
if opt in replacementOpts.keys():
w = replacement_opts[opt]
else:
w = device.createOptionWidget(opt, self.config)
if w != None:
l = w.titleWidget()
l.set_alignment(0, 0.5)
optbox.attach(l, 0, 1, pos, pos+1,
xoptions=gtk.FILL, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
optbox.attach(w, 1, 2, pos, pos+1,
xoptions=gtk.FILL|gtk.EXPAND, yoptions=gtk.FILL,
xpadding=0, ypadding=0)
w.show() # implies l.show()
else:
print "Warning: Could not create widget for option", opt
pos += 1
self._tabs.append((SB_(groupname), optbox))
def tabs(self):
return self._tabs
def set_start_button(self, button):
self.scanstarter.set_start_button(button)
def get_scanprocessor(self):
return self.scanprocessor
def insert_preview(self, preview):
self.mainOptsPane.pack2(preview, shrink=True, resize=True)
preview.show()
class ScanTab(gtk.VBox):
def __init__(self, device, devicecontrol, config, notify_hub):
gtk.VBox.__init__(self)
self.tablabel = gtk.Label(_('Scan'))
self.preview = Preview.SanePreview(device, config)
self.pack_start(self.preview, expand=True, fill=True)
self.preview.show()
self.infoManager = ScanJob.InfoManager(notify_hub)
self.jobstatus = self.infoManager.get_widget()
self.pack_start(self.jobstatus, expand=False, fill=True)
self.jobstatus.show()
if devicecontrol.deviceStatusWidget:
self.pack_start(devicecontrol.deviceStatusWidget,
expand=False, fill=True)
devicecontrol.deviceStatusWidget.show()
self.buttonbar = gtk.HBox()
self.pack_start(self.buttonbar, expand=False, fill=True)
self.buttonbar.show()
self.buttonbar.set_spacing(10)
self.scanbutton = gtk.Button(_('Scan'))
self.buttonbar.pack_start(self.scanbutton, expand=False, fill=False)
self.scanbutton.show()
devicecontrol.set_start_button(self.scanbutton)
self.delbutton = gtk.Button(_('Delete Job'))
self.buttonbar.pack_start(self.delbutton, expand=False, fill=False)
self.delbutton.show()
self.infoManager.add_deleteButton(self.delbutton)
self.retrybutton = gtk.Button(_('Retry Job'))
self.buttonbar.pack_start(self.retrybutton, expand=False, fill=False)
self.retrybutton.show()
self.infoManager.add_retryButton(self.retrybutton)
self.editbutton = gtk.Button(_('Edit Job'))
self.buttonbar.pack_start(self.editbutton, expand=False, fill=False)
self.editbutton.show()
self.infoManager.add_editButton(self.editbutton)
def get_previewWidget(self):
return self.preview
class SaneMainWidget(gtk.VBox):
def __init__(self, device, config=None):
""" device: SaneDevice instance
config: SaneConfig instance, or a string, providing
a file name of a config file
configfile: file to read config data from, if config is None
If None, a default config is created
"""
gtk.VBox.__init__(self)
if config == None:
self.config = config = Config.SaneConfig()
elif type(config) == type(''):
self.config = Config.SaneConfig()
config.loadConfig(config)
config = self.config
else:
self.config = config
self.device = device
self.notify_hub = Processor.SaneProcessorNotifyHub()
self.devicecontrol = DeviceControl(device, config, self.notify_hub)
self._gtkActions = gtk.ActionGroup('SaneMainActions')
self._gtkActions.add_actions(self.action_description())
self.mainArea = gtk.Notebook()
self.pack_start(self.mainArea, expand=True, fill=True)
self.mainArea.show()
self.statusbar = gtk.Statusbar()
self.pack_start(self.statusbar, expand=False, fill=True)
self.statusbar.show()
self.scantab = ScanTab(self.device, self.devicecontrol, config,
self.notify_hub)
self.mainArea.append_page(self.scantab, self.scantab.tablabel)
self.scantab.show()
self.previewProcessor = \
Preview.SanePreviewProcessor(
self.devicecontrol.get_scanprocessor(),
self.notify_hub,
2,
self.scantab.get_previewWidget())
preview2 = Preview.SanePreview(device, config)
self.previewProcessor.add_preview(preview2)
self.devicecontrol.insert_preview(preview2)
for title, widget in self.devicecontrol.tabs():
l = gtk.Label(_(title))
self.mainArea.append_page(widget, l)
widget.show()
lastfilter = self.devicecontrol.get_scanprocessor()
self.postprocOpts = [x(self.notify_hub, False, config) \
for x in postprocessing.procinfo.infos]
if self.postprocOpts:
if len(self.postprocOpts) == 1:
# simply show the plain output widget, but with
# a frame for the name of the processing class
o = self.postprocOpts[0]
postprocwidget = gtk.Frame(_(o.get_name()))
w = o.get_widget()
postprocwidget.add(w)
w.show()
o.set_processor_input(lastfilter)
lastfilter = o.get_processor()
else:
postprocwidget = gtk.Notebook()
postprocwidget.set_tab_pos(gtk.POS_LEFT)
for o in self.postprocOpts:
l = o.get_name_label()
w = o.get_widget()
c = o.get_connect_widget()
box = gtk.VBox()
box.pack_start(c, expand=False, fill=False)
c.show()
box.pack_start(w, expand=True, fill=True)
w.show()
postprocwidget.append_page(box, l)
box.show()
o.set_processor_input(lastfilter)
lastfilter = o.get_processor()
l = gtk.Label(_('Postprocessing'))
self.mainArea.append_page(postprocwidget, l)
postprocwidget.show()
self.outputOpts = [x(self.notify_hub, config) for x in output.outputinfo.infos]
if not self.outputOpts:
msg = _(\
"""Warning: Could not find any output write classes.
Please install at least one output writer.
Currently you can only view scanned images in this program.
""")
errmsg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, msg)
errmsg.run()
errmsg.destroy()
else:
if len(self.outputOpts) == 1:
# simply show the plain output widget, but with
# a frame for the name of the writer class
o = self.outputOpts[0]
outputwidget = gtk.Frame(_(o.get_name()))
w = o.get_widget()
outputwidget.add(w)
w.show()
o.enable_input(True)
o.set_processor_input(lastfilter)
else:
outputwidget = gtk.Notebook()
outputwidget.set_tab_pos(gtk.POS_LEFT)
first_widget = True
for o in self.outputOpts:
l = o.get_name_label()
w = o.get_widget()
c = o.get_connect_widget()
box = gtk.VBox()
box.pack_start(c, expand=False, fill=False)
c.show()
box.pack_start(w, expand=True, fill=True)
w.show()
outputwidget.append_page(box, l)
box.show()
if first_widget:
o.enable_input(True)
first_widget = False
o.set_processor_input(lastfilter)
l = gtk.Label(_('Output'))
self.mainArea.append_page(outputwidget, l)
outputwidget.show()
self.help = Help.Help()
############################################################
#
# Menu
#
def ui_description(self):
""" return an XML description of the menu structure for
this widget
"""
return """<ui>
<menubar name="Menubar">
<menu action="FileMenu">
<menuitem action="LoadConfig" />
<menuitem action="SaveConfig" />
<menuitem action="SaveConfigAs" />
</menu>
<menu action="HelpMenu">
<menuitem action="About" />
<menuitem action="Manual" />
<menuitem action="Plugins" />
</menu>
</menubar>
</ui>"""
def action_description(self):
""" return the actions needed by this widget
"""
return [
# name, stockID, label, accelerator, tooltip, callback
('FileMenu', None, _('_File')),
('LoadConfig', None, _('_Load Configuration'), None, None,
self.cbLoadConfig),
('SaveConfig', None, _('_Save Configuration'), None, None,
self.cbSaveConfig),
('SaveConfigAs', None, _('Save Configuration _As'), None, None,
self.cbSaveConfigAs),
('HelpMenu', None, _('_Help')),
('About', None, _('_About'), None, None,
self.cbHelpAbout),
('Manual', None, _('_Manual'), None, None,
self.cbHelpManual),
('Plugins', None, _('_Plugins'), None, None,
self.cbPluginList),
]
def gtkActions(self):
""" return the GTK action group for this widget
"""
return self._gtkActions
################################################################
#
# Configuration
#
def cbLoadConfig(self, widget):
dlg = gtk.FileChooserDialog(_("Select filename..."), None,
gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
dlg.set_default_response(gtk.RESPONSE_OK)
filter = gtk.FileFilter()
filter.set_name(_("Eikazo config files (*.eicfg)"))
filter.add_pattern("*.eicfg")
dlg.add_filter(filter)
filter = gtk.FileFilter()
filter.set_name(_("All files"))
filter.add_pattern("*")
dlg.add_filter(filter)
dlg.hide()
if dlg.run() == gtk.RESPONSE_OK:
filename = dlg.get_filename()
if os.access(filename, os.W_OK):
self.config.loadConfig(filename)
else:
errmsg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
_("Can't open file %s") % filename)
errmsg.run()
errmsg.destroy()
dlg.destroy()
def cbSaveConfig(self, widget):
if self.config.currentFile:
self.config.saveConfig(self.config.currentFile)
else:
self.cbSaveConfigAs(widget)
def cbSaveConfigAs(self, widget):
dlg = gtk.FileChooserDialog(_("Select filename..."), None,
gtk.FILE_CHOOSER_ACTION_SAVE,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK))
dlg.set_default_response(gtk.RESPONSE_OK)
filter = gtk.FileFilter()
filter.set_name(_("Eikazo config files (*.eicfg)"))
filter.add_pattern("*.eicfg")
dlg.add_filter(filter)
filter = gtk.FileFilter()
filter.set_name(_("All files"))
filter.add_pattern("*")
dlg.add_filter(filter)
dlg.hide()
if self.config.currentFile:
path, fname = os.path.split(self.config.currentFile)
dlg.set_current_folder(path)
dlg.set_current_name(fname)
if dlg.run() == gtk.RESPONSE_OK:
filename = dlg.get_filename()
try:
self.config.saveConfig(filename)
except ValueError: # FIXME: Check for reasonable
# errors, and translate them into
# "end user understandable" language
errmsg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
_("Can't save to file %s") % filename)
errmsg.run()
errmsg.destroy()
dlg.destroy()
def cbHelpAbout(self, widget):
path = os.path.split(__file__)
fname = os.path.join(path[0], 'version.txt')
version = open(fname).read().strip()
text = _(about_text)
text = text.split('\n\n')
text = [x.replace('\n', ' ') for x in text]
text = '\n\n'.join(text)
text = 'Eikazo version %s\n\n%s' % (version, text)
msg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
_(text))
msg.run()
msg.destroy()
def cbHelpManual(self, widget):
self.help.show()
def cbPluginList(self, widget):
text = Plugins.plugininfo()
msg = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
text)
msg.run()
msg.destroy()
class SaneMainWindow(gtk.Window):
""" simple top level window which ties together a menu bar and
a SaneMain widget
"""
def __init__(self, device, type=gtk.WINDOW_TOPLEVEL):
gtk.Window.__init__(self, type=type)
self.exit_on_destroy = False
vbox = gtk.VBox()
self.add(vbox)
vbox.show()
self.saneWidget = SaneMainWidget(device)
self.windowActionGroup = gtk.ActionGroup('WidowActions')
self.windowActionGroup.add_actions(
[('FileMenu', None, _('_File')),
('Quit', None, _('_Quit'), '<control>q', None, self.destroy)
])
self.uim = gtk.UIManager()
self.uim.insert_action_group(self.saneWidget.gtkActions(), 0)
self.uim.insert_action_group(self.windowActionGroup, 0)
self.uim.add_ui_from_string(self.saneWidget.ui_description())
self.uim.add_ui_from_string(self.ui_description())
self.add_accel_group(self.uim.get_accel_group())
self.menu = self.uim.get_widget('/Menubar')
vbox.pack_start(self.menu, expand=False)
self.menu.show()
vbox.pack_start(self.saneWidget, expand=True, fill=True)
self.saneWidget.show()
self.connect("destroy", self.destroy)
def ui_description(self):
return """<ui>
<menubar name="Menubar">
<menu action="FileMenu">
<menuitem action="Quit" />
</menu>
</menubar>
</ui>"""
def destroy(self, w):
self.onExit = True
SaneThread.abort_threads()
if self.exit_on_destroy:
gtk.main_quit()
def main(self):
self.show()
self.exit_on_destroy = True
gtk.main()
if __name__ == '__main__':
dev = Widgets.getDevice()
if not dev:
print _("no devices found")
sys.exit(0)
m = SaneMainWindow(dev, type=gtk.WINDOW_TOPLEVEL)
m.main()
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