diff options
Diffstat (limited to 'src/view/clipboardicon.py')
| -rw-r--r-- | src/view/clipboardicon.py | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/view/clipboardicon.py b/src/view/clipboardicon.py new file mode 100644 index 0000000..4b36395 --- /dev/null +++ b/src/view/clipboardicon.py @@ -0,0 +1,165 @@ +# Copyright (C) 2007, Red Hat, Inc. +# Copyright (C) 2007, One Laptop Per Child +# +# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +import logging +from gettext import gettext as _ + +import gobject +import gtk + +from sugar.graphics.radiotoolbutton import RadioToolButton +from sugar.graphics.xocolor import XoColor +from sugar.graphics.icon import Icon +from sugar.graphics import style +from sugar.clipboard import clipboardservice +from sugar.bundle.activitybundle import ActivityBundle +from sugar import util +from sugar import profile + +from view.clipboardmenu import ClipboardMenu +from view.frame.frameinvoker import FrameWidgetInvoker + +class ClipboardIcon(RadioToolButton): + __gtype_name__ = 'SugarClipboardIcon' + + def __init__(self, object_id, name, group): + RadioToolButton.__init__(self, group=group) + self._object_id = object_id + self._name = name + self._percent = 0 + self._preview = None + self._activity = None + self.owns_clipboard = False + self.props.sensitive = False + self.props.active = False + + self._icon = Icon() + self._icon.props.xo_color = profile.get_color() + self.set_icon_widget(self._icon) + self._icon.show() + + cb_service = clipboardservice.get_instance() + cb_service.connect('object-state-changed', self._object_state_changed_cb) + obj = cb_service.get_object(self._object_id) + + self.palette = ClipboardMenu(self._object_id, self._name, self._percent, + self._preview, self._activity, + self._is_bundle(obj['FORMATS'])) + self.palette.props.invoker = FrameWidgetInvoker(self) + + self.child.connect('drag_data_get', self._drag_data_get_cb) + self.connect('notify::active', self._notify_active_cb) + + def _is_bundle(self, formats): + # A bundle will have only one format. + return formats and formats[0] in [ActivityBundle.MIME_TYPE, + ActivityBundle.DEPRECATED_MIME_TYPE] + + def get_object_id(self): + return self._object_id + + def _drag_data_get_cb(self, widget, context, selection, targetType, eventTime): + logging.debug('_drag_data_get_cb: requested target ' + selection.target) + + cb_service = clipboardservice.get_instance() + data = cb_service.get_object_data(self._object_id, selection.target)['DATA'] + + selection.set(selection.target, 8, data) + + def _put_in_clipboard(self): + logging.debug('ClipboardIcon._put_in_clipboard') + + if self._percent < 100: + raise ValueError('Object is not complete, cannot be put into the clipboard.') + + targets = self._get_targets() + if targets: + clipboard = gtk.Clipboard() + if not clipboard.set_with_data(targets, + self._clipboard_data_get_cb, + self._clipboard_clear_cb, + targets): + logging.error('GtkClipboard.set_with_data failed!') + else: + self.owns_clipboard = True + + def _clipboard_data_get_cb(self, clipboard, selection, info, targets): + if not selection.target in [target[0] for target in targets]: + logging.warning('ClipboardIcon._clipboard_data_get_cb: asked %s but' \ + ' only have %r.' % (selection.target, targets)) + return + cb_service = clipboardservice.get_instance() + data = cb_service.get_object_data(self._object_id, selection.target)['DATA'] + + selection.set(selection.target, 8, data) + + def _clipboard_clear_cb(self, clipboard, targets): + logging.debug('ClipboardIcon._clipboard_clear_cb') + self.owns_clipboard = False + + def _object_state_changed_cb(self, cb_service, object_id, name, percent, + icon_name, preview, activity): + + if object_id != self._object_id: + return + + cb_service = clipboardservice.get_instance() + obj = cb_service.get_object(self._object_id) + + if icon_name: + self._icon.props.icon_name = icon_name + else: + self._icon.props.icon_name = 'application-octet-stream' + + self.child.drag_source_set(gtk.gdk.BUTTON1_MASK, + self._get_targets(), + gtk.gdk.ACTION_COPY) + self.child.drag_source_set_icon_name(self._icon.props.icon_name) + + self._name = name + self._preview = preview + self._activity = activity + self.palette.set_state(name, percent, preview, activity, + self._is_bundle(obj['FORMATS'])) + + old_percent = self._percent + self._percent = percent + if self._percent == 100: + self.props.sensitive = True + + # Clipboard object became complete. Make it the active one. + if old_percent < 100 and self._percent == 100: + self.props.active = True + + def _notify_active_cb(self, widget, pspec): + if self.props.active: + self._put_in_clipboard() + else: + self.owns_clipboard = False + + def _get_targets(self): + cb_service = clipboardservice.get_instance() + + attrs = cb_service.get_object(self._object_id) + format_types = attrs[clipboardservice.FORMATS_KEY] + + targets = [] + for format_type in format_types: + targets.append((format_type, 0, 0)) + + return targets + |