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166 lines
6.1 KiB
Python
166 lines
6.1 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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# Copyright (C) 2007, One Laptop Per Child
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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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import logging
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from gettext import gettext as _
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import gobject
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import gtk
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from sugar.graphics.radiotoolbutton import RadioToolButton
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from sugar.graphics.xocolor import XoColor
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from sugar.graphics.icon import Icon
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from sugar.graphics import style
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from sugar.clipboard import clipboardservice
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from sugar.bundle.activitybundle import ActivityBundle
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from sugar import util
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from sugar import profile
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from view.clipboardmenu import ClipboardMenu
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from view.frame.frameinvoker import FrameWidgetInvoker
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class ClipboardIcon(RadioToolButton):
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__gtype_name__ = 'SugarClipboardIcon'
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def __init__(self, object_id, name, group):
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RadioToolButton.__init__(self, group=group)
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self._object_id = object_id
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self._name = name
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self._percent = 0
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self._preview = None
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self._activity = None
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self.owns_clipboard = False
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self.props.sensitive = False
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self.props.active = False
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self._icon = Icon()
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self._icon.props.xo_color = profile.get_color()
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self.set_icon_widget(self._icon)
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self._icon.show()
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cb_service = clipboardservice.get_instance()
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cb_service.connect('object-state-changed', self._object_state_changed_cb)
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obj = cb_service.get_object(self._object_id)
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self.palette = ClipboardMenu(self._object_id, self._name, self._percent,
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self._preview, self._activity,
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self._is_bundle(obj['FORMATS']))
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self.palette.props.invoker = FrameWidgetInvoker(self)
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self.child.connect('drag_data_get', self._drag_data_get_cb)
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self.connect('notify::active', self._notify_active_cb)
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def _is_bundle(self, formats):
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# A bundle will have only one format.
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return formats and formats[0] in [ActivityBundle.MIME_TYPE,
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ActivityBundle.DEPRECATED_MIME_TYPE]
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def get_object_id(self):
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return self._object_id
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def _drag_data_get_cb(self, widget, context, selection, targetType, eventTime):
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logging.debug('_drag_data_get_cb: requested target ' + selection.target)
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cb_service = clipboardservice.get_instance()
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data = cb_service.get_object_data(self._object_id, selection.target)['DATA']
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selection.set(selection.target, 8, data)
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def _put_in_clipboard(self):
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logging.debug('ClipboardIcon._put_in_clipboard')
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if self._percent < 100:
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raise ValueError('Object is not complete, cannot be put into the clipboard.')
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targets = self._get_targets()
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if targets:
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clipboard = gtk.Clipboard()
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if not clipboard.set_with_data(targets,
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self._clipboard_data_get_cb,
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self._clipboard_clear_cb,
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targets):
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logging.error('GtkClipboard.set_with_data failed!')
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else:
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self.owns_clipboard = True
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def _clipboard_data_get_cb(self, clipboard, selection, info, targets):
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if not selection.target in [target[0] for target in targets]:
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logging.warning('ClipboardIcon._clipboard_data_get_cb: asked %s but' \
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' only have %r.' % (selection.target, targets))
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return
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cb_service = clipboardservice.get_instance()
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data = cb_service.get_object_data(self._object_id, selection.target)['DATA']
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selection.set(selection.target, 8, data)
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def _clipboard_clear_cb(self, clipboard, targets):
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logging.debug('ClipboardIcon._clipboard_clear_cb')
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self.owns_clipboard = False
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def _object_state_changed_cb(self, cb_service, object_id, name, percent,
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icon_name, preview, activity):
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if object_id != self._object_id:
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return
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cb_service = clipboardservice.get_instance()
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obj = cb_service.get_object(self._object_id)
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if icon_name:
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self._icon.props.icon_name = icon_name
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else:
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self._icon.props.icon_name = 'application-octet-stream'
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self.child.drag_source_set(gtk.gdk.BUTTON1_MASK,
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self._get_targets(),
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gtk.gdk.ACTION_COPY)
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self.child.drag_source_set_icon_name(self._icon.props.icon_name)
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self._name = name
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self._preview = preview
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self._activity = activity
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self.palette.set_state(name, percent, preview, activity,
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self._is_bundle(obj['FORMATS']))
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old_percent = self._percent
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self._percent = percent
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if self._percent == 100:
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self.props.sensitive = True
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# Clipboard object became complete. Make it the active one.
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if old_percent < 100 and self._percent == 100:
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self.props.active = True
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def _notify_active_cb(self, widget, pspec):
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if self.props.active:
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self._put_in_clipboard()
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else:
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self.owns_clipboard = False
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def _get_targets(self):
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cb_service = clipboardservice.get_instance()
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attrs = cb_service.get_object(self._object_id)
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format_types = attrs[clipboardservice.FORMATS_KEY]
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targets = []
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for format_type in format_types:
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targets.append((format_type, 0, 0))
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return targets
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