sugar-toolkit-gtk3/shell/view/frame/Frame.py

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# Copyright (C) 2006, Red Hat, Inc.
#
# 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
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import gtk
import gobject
import hippo
import wnck
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from view.frame.ActivitiesBox import ActivitiesBox
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.notificationtray import NotificationTray
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from view.frame.shutdownicon import ShutdownIcon
from sugar.graphics.timeline import Timeline
from sugar.graphics.grid import Grid
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from sugar.graphics.menushell import MenuShell
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class EventFrame(gobject.GObject):
__gsignals__ = {
'enter-edge': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([])),
'enter-corner': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([])),
'leave': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([]))
}
HOVER_NONE = 0
HOVER_CORNER = 1
HOVER_EDGE = 2
def __init__(self):
gobject.GObject.__init__(self)
self._windows = []
self._hover = EventFrame.HOVER_NONE
self._active = False
invisible = self._create_invisible(0, 0, gtk.gdk.screen_width(), 1)
self._windows.append(invisible)
invisible = self._create_invisible(0, 0, 1, gtk.gdk.screen_height())
self._windows.append(invisible)
invisible = self._create_invisible(gtk.gdk.screen_width() - 1, 0,
gtk.gdk.screen_width(),
gtk.gdk.screen_height())
self._windows.append(invisible)
invisible = self._create_invisible(0, gtk.gdk.screen_height() - 1,
gtk.gdk.screen_width(),
gtk.gdk.screen_height())
self._windows.append(invisible)
screen = wnck.screen_get_default()
screen.connect('active-window-changed',
self._active_window_changed_cb)
def _create_invisible(self, x, y, width, height):
invisible = gtk.Invisible()
invisible.connect('motion-notify-event', self._motion_notify_cb)
invisible.connect('enter-notify-event', self._enter_notify_cb)
invisible.connect('leave-notify-event', self._leave_notify_cb)
invisible.realize()
invisible.window.set_events(gtk.gdk.POINTER_MOTION_MASK |
gtk.gdk.ENTER_NOTIFY_MASK |
gtk.gdk.LEAVE_NOTIFY_MASK)
invisible.window.move_resize(x, y, width, height)
return invisible
def _enter_notify_cb(self, widget, event):
self._notify_enter(event.x, event.y)
def _motion_notify_cb(self, widget, event):
self._notify_enter(event.x, event.y)
def _notify_enter(self, x, y):
screen_w = gtk.gdk.screen_width()
screen_h = gtk.gdk.screen_height()
if (x == 0 and y == 0) or \
(x == 0 and y == screen_h - 1) or \
(x == screen_w - 1 and y == 0) or \
(x == screen_w - 1 and y == screen_h - 1):
if self._hover != EventFrame.HOVER_CORNER:
self._hover = EventFrame.HOVER_CORNER
self.emit('enter-corner')
else:
if self._hover != EventFrame.HOVER_EDGE:
self._hover = EventFrame.HOVER_EDGE
self.emit('enter-edge')
def _leave_notify_cb(self, widget, event):
self._hover = EventFrame.HOVER_NONE
if self._active:
self.emit('leave')
def show(self):
self._active = True
for window in self._windows:
window.show()
def hide(self):
self._active = False
for window in self._windows:
window.hide()
def _active_window_changed_cb(self, screen):
for window in self._windows:
window.window.raise_()
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class Frame:
INACTIVE = 0
TEMPORARY = 1
STICKY = 2
HIDE_ON_LEAVE = 3
AUTOMATIC = 4
def __init__(self, shell):
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self._windows = []
self._active_menus = 0
self._shell = shell
self._mode = Frame.INACTIVE
self._timeline = Timeline(self)
self._timeline.add_tag('slide_in', 6, 12)
self._timeline.add_tag('before_slide_out', 36, 36)
self._timeline.add_tag('slide_out', 37, 42)
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self._event_frame = EventFrame()
self._event_frame.connect('enter-edge', self._enter_edge_cb)
self._event_frame.connect('enter-corner', self._enter_corner_cb)
self._event_frame.connect('leave', self._event_frame_leave_cb)
self._event_frame.show()
grid = Grid()
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# Top panel
[menu_shell, root] = self._create_panel(grid, 0, 0, 16, 1)
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menu_shell.set_position(MenuShell.BOTTOM)
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box = ZoomBox(self._shell, menu_shell)
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[x, y] = grid.point(1, 0)
root.append(box, hippo.PACK_FIXED)
root.move(box, x, y)
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tray = NotificationTray()
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tray_box = hippo.CanvasBox(box_width=grid.dimension(1),
box_height=grid.dimension(1),
xalign=hippo.ALIGNMENT_END)
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tray_widget = hippo.CanvasWidget()
tray_widget.props.widget = tray
tray_box.append(tray_widget, gtk.EXPAND)
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[x, y] = grid.point(13, 0)
root.append(tray_box, hippo.PACK_FIXED)
root.move(tray_box, x, y)
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box = OverlayBox(self._shell)
[x, y] = grid.point(14, 0)
root.append(box, hippo.PACK_FIXED)
root.move(box, x, y)
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shutdown_icon = ShutdownIcon(menu_shell)
[x, y] = grid.point(12, 0)
root.append(shutdown_icon, hippo.PACK_FIXED)
root.move(shutdown_icon, x, y)
# Bottom panel
[menu_shell, root] = self._create_panel(grid, 0, 11, 16, 1)
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menu_shell.set_position(MenuShell.TOP)
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box = ActivitiesBox(self._shell)
root.append(box, hippo.PACK_FIXED)
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[x, y] = grid.point(1, 0)
root.move(box, x, y)
# Right panel
[menu_shell, root] = self._create_panel(grid, 15, 1, 1, 10)
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menu_shell.set_position(MenuShell.LEFT)
box = FriendsBox(self._shell, menu_shell)
root.append(box)
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# Left panel
self._create_panel(grid, 0, 1, 1, 10)
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def _create_panel(self, grid, x, y, width, height):
panel = PanelWindow()
panel.connect('enter-notify-event', self._enter_notify_cb)
panel.connect('leave-notify-event', self._leave_notify_cb)
menu_shell = panel.get_menu_shell()
menu_shell.connect('activated', self._menu_shell_activated_cb)
menu_shell.connect('deactivated', self._menu_shell_deactivated_cb)
[x, y, width, height] = grid.rectangle(x, y, width, height)
panel.move(x, y)
panel.resize(width, height)
self._windows.append(panel)
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return [panel.get_menu_shell(), panel.get_root()]
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def _menu_shell_activated_cb(self, menu_shell):
self._active_menus += 1
self._timeline.goto('slide_in', True)
def _menu_shell_deactivated_cb(self, menu_shell):
self._active_menus -= 1
if self._mode != Frame.STICKY:
self._timeline.play('before_slide_out', 'slide_out')
def _enter_notify_cb(self, window, event):
self._timeline.goto('slide_in', True)
def _leave_notify_cb(self, window, event):
# FIXME for some reason every click cause also a leave-notify
if event.state == gtk.gdk.BUTTON1_MASK:
return
if self._active_menus == 0 and \
(self._mode == Frame.HIDE_ON_LEAVE or \
self._mode == Frame.AUTOMATIC):
self._timeline.play('before_slide_out', 'slide_out')
def _enter_edge_cb(self, event_frame):
self._mode = Frame.HIDE_ON_LEAVE
self._timeline.play(None, 'slide_in')
def _enter_corner_cb(self, event_frame):
self._mode = Frame.HIDE_ON_LEAVE
self._timeline.play('slide_in', 'slide_in')
def _event_frame_leave_cb(self, event_frame):
if self._mode != Frame.STICKY:
self._timeline.goto('slide_out', True)
def show_and_hide(self, seconds):
self._mode = Frame.AUTOMATIC
self._timeline.play()
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def notify_key_press(self):
if self._timeline.on_tag('slide_in'):
self._timeline.play('before_slide_out', 'slide_out')
elif self._timeline.on_tag('before_slide_out'):
self._mode = Frame.TEMPORARY
else:
self._mode = Frame.STICKY
self._timeline.play('slide_in', 'slide_in')
def notify_key_release(self):
if self._mode == Frame.TEMPORARY:
self._timeline.play('before_slide_out', 'slide_out')
def do_slide_in(self, current=0, n_frames=0):
if not self._windows[0].props.visible:
for panel in self._windows:
panel.show()
self._event_frame.hide()
def do_slide_out(self, current=0, n_frames=0):
if self._windows[0].props.visible:
for panel in self._windows:
panel.hide()
self._event_frame.show()
def is_visible(self):
if self._windows[0].props.visible:
return True
return False