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# Copyright (C) 2009, Tutorius.org
#
# 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
from sugar.tutorius.actions import Action, DragWrapper
from sugar.tutorius.properties import TScreenClipProperty, \
TArrayProperty
import gtk
class ScreenClip(Action):
# Create the position as an array of fixed-size 2
position = TArrayProperty((0,0), 2, 2)
# Do the same for the tail position
clip_image = TScreenClipProperty("")
def __init__(self, position=None,
clip_image=None,
**kwargs):
"""
Shows a dialog with a given text, at the given position on the screen.
@param position A list of the form [x, y]
@param clip_image the screen clip image path
@param clip_rect rectangle of the clip image
"""
Action.__init__(self, **kwargs)
if position:
self.position = position
if clip_image:
self.clip_image = clip_image
self.overlay = None
self._bubble = None
def do(self, overlayer=None, **kwargs):
"""
Show the dialog
"""
if overlayer is None:
raise TypeError("Missing overlayer argument")
self.overlay = overlayer
if not self._bubble:
# Normal gtk widgets use the parent window to draw themselves.
# For normal layouts, this is good, but as we are using the layout
# for stacking widgets, the rendering order is sometimes wrong.
# Thus, by adding the Image widget in a visible EventBox, we ensure
# the Image is drawn in its own window, and stacking is correct.
x, y = self.position
self._bubble = gtk.EventBox()
self._bubble.set_visible_window(True)
image = gtk.Image()
image.set_from_file(self.clip_image)
self._bubble.add(image)
self._bubble.show_all()
self.overlay.put(self._bubble, x, y)
self.overlay.queue_draw()
def undo(self):
"""
Destroy the dialog
"""
if self._bubble:
self.overlay.remove(self._bubble)
self._bubble.destroy()
self._bubble = None
def enter_editmode(self, overlayer=None, *args, **kwargs):
"""
Enters edit mode. The action should display itself in some way,
without affecting the currently running application.
"""
if overlayer is None:
raise TypeError("Missing overlayer argument")
self.overlay = overlayer
assert not self._drag, "bubble action set to editmode twice"
x, y = self.position
if self.clip_image:
self._bubble = gtk.EventBox()
self._bubble.set_visible_window(True)
image = gtk.Image()
image.set_from_file(self.clip_image)
self._bubble.add(image)
self._bubble.show_all()
self.overlay.put(self._bubble, x, y)
self._drag = DragWrapper(self._bubble, self.position,
update_action_cb=self.update_property,
draggable=True)
def exit_editmode(self, *args):
if self._drag:
x, y = self._drag.position
self.position = (int(x), int(y))
self._drag.draggable = False
self._drag = None
if self._bubble:
self.overlay.remove(self._bubble)
self._bubble = None
self.overlay = None
__action__ = {
"name" : ScreenClip.__name__,
"display_name" : "Screen Capture Clip",
"icon" : "screenclip",
"class" : ScreenClip,
"mandatory_props" : []
}
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