# Copyright (C) 2006-2007 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

import gtk
import hippo

from sugar.graphics import style

class FrameWindow(gtk.Window):
    __gtype_name__ = 'SugarFrameWindow'

    def __init__(self, position):
        gtk.Window.__init__(self)
        self.hover = False
        self.size = style.GRID_CELL_SIZE + style.LINE_WIDTH

        self._position = position

        self.set_decorated(False)
        self.connect('realize', self._realize_cb)
        self.connect('enter-notify-event', self._enter_notify_cb)
        self.connect('leave-notify-event', self._leave_notify_cb)

        self._canvas = hippo.Canvas()
        self.add(self._canvas)
        self._canvas.show()

        box = hippo.CanvasBox()
        self._canvas.set_root(box)

        padding = style.GRID_CELL_SIZE
        if self._position == gtk.POS_TOP or self._position == gtk.POS_BOTTOM:
            box.props.orientation = hippo.ORIENTATION_HORIZONTAL
            box.props.padding_left = padding
            box.props.padding_right = padding
            box.props.padding_top = 0
            box.props.padding_bottom = 0
        else:
            box.props.orientation = hippo.ORIENTATION_VERTICAL
            box.props.padding_left = 0
            box.props.padding_right = 0
            box.props.padding_top = padding
            box.props.padding_bottom = padding

        self._bg = hippo.CanvasBox(
                border_color=style.COLOR_BUTTON_GREY.get_int())

        border = style.LINE_WIDTH
        if position == gtk.POS_TOP:
            self._bg.props.orientation = hippo.ORIENTATION_HORIZONTAL
            self._bg.props.border_bottom = border
        elif position == gtk.POS_BOTTOM:
            self._bg.props.orientation = hippo.ORIENTATION_HORIZONTAL
            self._bg.props.border_top = border
        elif position == gtk.POS_LEFT:
            self._bg.props.orientation = hippo.ORIENTATION_VERTICAL
            self._bg.props.border_right = border
        elif position == gtk.POS_RIGHT:
            self._bg.props.orientation = hippo.ORIENTATION_VERTICAL
            self._bg.props.border_left = border

        box.append(self._bg, hippo.PACK_EXPAND)

        self._update_size()
    
        screen = gtk.gdk.screen_get_default()
        screen.connect('size-changed', self._size_changed_cb)

    def append(self, child, flags=0):
        self._bg.append(child, flags)

    def _update_size(self):
        if self._position == gtk.POS_TOP or self._position == gtk.POS_BOTTOM:
            self.resize(gtk.gdk.screen_width(), self.size)
        else:
            self.resize(self.size, gtk.gdk.screen_height())

    def _realize_cb(self, widget):
        self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
        self.window.set_accept_focus(False)

    def _enter_notify_cb(self, window, event):
        if event.detail != gtk.gdk.NOTIFY_INFERIOR:
            self.hover = True

    def _leave_notify_cb(self, window, event):
        if event.detail != gtk.gdk.NOTIFY_INFERIOR:
            self.hover = False
        
    def _size_changed_cb(self, screen):
        self._update_size()