diff options
Diffstat (limited to 'addons/screenclipper.py')
| -rw-r--r-- | addons/screenclipper.py | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/addons/screenclipper.py b/addons/screenclipper.py new file mode 100644 index 0000000..7ad6808 --- /dev/null +++ b/addons/screenclipper.py @@ -0,0 +1,124 @@ +# 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" : [] +} + |