349 lines
10 KiB
Python
349 lines
10 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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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 gtk
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import gobject
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import hippo
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from view.frame.eventframe import EventFrame
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from view.frame.ActivitiesBox import ActivitiesBox
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from view.frame.ZoomBox import ZoomBox
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from view.frame.overlaybox import OverlayBox
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from view.frame.FriendsBox import FriendsBox
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from view.frame.PanelWindow import PanelWindow
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from view.frame.clipboardpanelwindow import ClipboardPanelWindow
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from view.frame.framepopupcontext import FramePopupContext
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from model.ShellModel import ShellModel
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from sugar.graphics import animator
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from sugar.graphics import units
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MODE_NONE = 0
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MODE_MOUSE = 1
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MODE_KEYBOARD = 2
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MODE_FORCE = 3
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_FRAME_HIDING_DELAY = 500
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class _Animation(animator.Animation):
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def __init__(self, frame, end):
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start = frame.get_current_position()
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animator.Animation.__init__(self, start, end)
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self._frame = frame
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def next_frame(self, current):
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self._frame.move(current)
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class _MouseListener(object):
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def __init__(self, frame):
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self._frame = frame
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self._hide_sid = 0
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def mouse_enter(self):
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if self._frame.mode == MODE_NONE or \
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self._frame.mode == MODE_MOUSE:
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self._show_frame()
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def mouse_leave(self):
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if self._frame.mode == MODE_MOUSE:
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self._hide_frame()
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def _show_frame(self):
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if self._hide_sid != 0:
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gobject.source_remove(self._hide_sid)
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self._frame.show()
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self._frame.mode = MODE_MOUSE
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def _hide_frame_timeout_cb(self):
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self._frame.hide()
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return False
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def _hide_frame(self):
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if self._hide_sid != 0:
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gobject.source_remove(self._hide_sid)
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self._hide_sid = gobject.timeout_add(
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_FRAME_HIDING_DELAY, self._hide_frame_timeout_cb)
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class _KeyListener(object):
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def __init__(self, frame):
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self._frame = frame
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self._hide_sid = 0
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def key_press(self):
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if self._frame.mode != MODE_NONE and \
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self._frame.mode != MODE_KEYBOARD:
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return
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if self._frame.visible:
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self._hide_frame()
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else:
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self._show_frame()
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def key_release(self):
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self._hide_frame()
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def _hide_frame_timeout_cb(self):
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self._frame.hide()
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return False
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def _show_frame(self):
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if self._hide_sid != 0:
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gobject.source_remove(self._hide_sid)
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self._frame.show()
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self._frame.mode = MODE_KEYBOARD
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def _hide_frame(self):
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if self._hide_sid != 0:
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gobject.source_remove(self._hide_sid)
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self._hide_sid = gobject.timeout_add(
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100, self._hide_frame_timeout_cb)
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class _FrameState(object):
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def __init__(self, visible, mode):
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self.visible = visible
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self.mode = mode
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class Frame(object):
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def __init__(self, shell):
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self.mode = MODE_NONE
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self.visible = False
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self._left_panel = None
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self._right_panel = None
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self._top_panel = None
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self._bottom_panel = None
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self._shell = shell
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self._current_position = 0.0
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self._animator = None
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self._hover = False
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self._saved_state = None
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self._event_frame = EventFrame()
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self._event_frame.connect('enter-corner', self._enter_corner_cb)
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self._event_frame.show()
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self._popup_context = FramePopupContext()
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self._popup_context.connect('activated',
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self._popup_context_activated_cb)
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self._popup_context.connect('deactivated',
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self._popup_context_deactivated_cb)
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self._top_panel = self._create_top_panel()
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self._bottom_panel = self._create_bottom_panel()
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self._left_panel = self._create_left_panel()
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self._right_panel = self._create_right_panel()
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shell.get_model().connect('notify::state',
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self._shell_state_changed_cb)
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screen = gtk.gdk.screen_get_default()
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screen.connect('size-changed', self._size_changed_cb)
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self._key_listener = _KeyListener(self)
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self._mouse_listener = _MouseListener(self)
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self.save_state()
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def save_state(self):
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self._saved_state = _FrameState(self.visible, self.mode)
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def restore_state(self):
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if self._saved_state == None:
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return
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if self._saved_state.visible:
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self.show()
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else:
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self.hide()
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self.mode = self._saved_state.mode
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def hide(self, force=False):
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if not self.visible:
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return
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if self._animator:
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self._animator.stop()
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self._animator = animator.Animator(0.5, 30, animator.EASE_OUT_EXPO)
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self._animator.add(_Animation(self, 0.0))
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self._animator.start()
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self._event_frame.show()
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self.visible = False
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if force:
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self.mode = MODE_NONE
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else:
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self.mode = MODE_FORCE
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self._animator.connect('completed', self._hide_completed_cb)
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def show(self):
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if self.visible:
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return
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if self._animator:
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self._animator.stop()
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self._animator = animator.Animator(0.5, 30, animator.EASE_OUT_EXPO)
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self._animator.add(_Animation(self, 1.0))
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self._animator.start()
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self._event_frame.hide()
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self.visible = True
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self.mode = MODE_FORCE
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def get_popup_context(self):
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return self._popup_context
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def get_current_position(self):
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return self._current_position
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def move(self, pos):
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self._current_position = pos
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self._update_position()
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def _is_hover(self):
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return (self._top_panel.hover or \
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self._bottom_panel.hover or \
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self._left_panel.hover or \
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self._right_panel.hover)
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def _create_top_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
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root = panel.get_root()
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box = ZoomBox(self._shell, self._popup_context)
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root.append(box)
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box = OverlayBox(self._shell)
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root.append(box, hippo.PACK_END)
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return panel
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def _create_bottom_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
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root = panel.get_root()
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box = ActivitiesBox(self._shell, self._popup_context)
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root.append(box)
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return panel
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def _create_right_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_VERTICAL)
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root = panel.get_root()
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box = FriendsBox(self._shell, self._popup_context)
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root.append(box)
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return panel
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def _create_left_panel(self):
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panel = ClipboardPanelWindow(self, hippo.ORIENTATION_VERTICAL)
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self._connect_to_panel(panel)
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panel.connect('drag-motion', self._drag_motion_cb)
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panel.connect('drag-leave', self._drag_leave_cb)
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return panel
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def _shell_state_changed_cb(self, model, pspec):
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if model.props.state == ShellModel.STATE_SHUTDOWN:
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self._timeline.goto('slide_out', True)
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def _create_panel(self, orientation):
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panel = PanelWindow(orientation)
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self._connect_to_panel(panel)
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return panel
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def _move_panel(self, panel, pos, x1, y1, x2, y2):
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x = (x2 - x1) * pos + x1
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y = (y2 - y1) * pos + y1
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panel.move(int(x), int(y))
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# FIXME we should hide and show as necessary to free memory
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if not panel.props.visible:
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panel.show()
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def _connect_to_panel(self, panel):
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panel.connect('enter-notify-event', self._enter_notify_cb)
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panel.connect('leave-notify-event', self._leave_notify_cb)
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def _update_position(self):
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screen_h = gtk.gdk.screen_height()
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screen_w = gtk.gdk.screen_width()
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self._move_panel(self._top_panel, self._current_position,
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0, units.grid_to_pixels(-1),
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0, 0)
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self._move_panel(self._bottom_panel, self._current_position,
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0, screen_h,
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0, screen_h - units.grid_to_pixels(1))
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self._move_panel(self._left_panel, self._current_position,
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units.grid_to_pixels(-1), 0,
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0, 0)
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self._move_panel(self._right_panel, self._current_position,
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screen_w, 0,
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screen_w - units.grid_to_pixels(1), 0)
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def _hide_completed_cb(self, animator):
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self.mode = MODE_NONE
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def _size_changed_cb(self, screen):
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self._update_position()
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def _popup_context_activated_cb(self, popup_context):
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self._mouse_listener.mouse_enter()
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def _popup_context_deactivated_cb(self, popup_context):
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if not self._hover:
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self._mouse_listener.mouse_leave()
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def _enter_notify_cb(self, window, event):
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if self._hover:
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return
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self._hover = True
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self._mouse_listener.mouse_enter()
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def _leave_notify_cb(self, window, event):
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if not self._hover:
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return
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if not self._is_hover():
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self._hover = False
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if not self._popup_context.is_active():
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self._mouse_listener.mouse_leave()
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def _drag_motion_cb(self, window, context, x, y, time):
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self._mouse_listener.mouse_enter()
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def _drag_leave_cb(self, window, drag_context, timestamp):
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self._mouse_listener.mouse_leave()
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def _enter_corner_cb(self, event_frame):
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self._mouse_listener.mouse_enter()
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def notify_key_press(self):
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self._key_listener.key_press()
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def notify_key_release(self):
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self._key_listener.key_release()
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