diff options
Diffstat (limited to 'sugar/graphics/iconbutton.py')
| -rw-r--r-- | sugar/graphics/iconbutton.py | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/sugar/graphics/iconbutton.py b/sugar/graphics/iconbutton.py new file mode 100644 index 0000000..80bd52f --- /dev/null +++ b/sugar/graphics/iconbutton.py @@ -0,0 +1,190 @@ +# Copyright (C) 2007, One Laptop Per Child +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the +# Free Software Foundation, Inc., 59 Temple Place - Suite 330, +# Boston, MA 02111-1307, USA. + +import sys + +import gobject +import hippo + +from canvasicon import CanvasIcon +from iconcolor import IconColor +from sugar.graphics import units +from sugar.graphics.timeline import Timeline +from sugar import profile + +STANDARD_SIZE = 0 +SMALL_SIZE = 1 + +class IconButton(hippo.CanvasBox): + __gtype_name__ = 'SugarIconButton' + + __gproperties__ = { + 'icon-name' : (str, None, None, None, + gobject.PARAM_READWRITE), + 'size' : (int, None, None, + 0, sys.maxint, STANDARD_SIZE, + gobject.PARAM_READWRITE), + 'active' : (bool, None, None, True, + gobject.PARAM_READWRITE) + } + + def __init__(self, icon_name, color=None): + if color: + self._normal_color = color + else: + self._normal_color = IconColor('white') + + self._prelight_color = profile.get_color() + self._inactive_color = IconColor('#808080,#424242') + self._active = True + self._popup = None + self._hover_popup = False + + self._icon = CanvasIcon(icon_name=icon_name, cache=True, + color=self._normal_color) + + hippo.CanvasBox.__init__(self) + + self._set_size(STANDARD_SIZE) + + self.append(self._icon, hippo.PACK_EXPAND) + + self._timeline = Timeline(self) + self._timeline.add_tag('popup', 6, 6) + self._timeline.add_tag('before_popdown', 7, 7) + self._timeline.add_tag('popdown', 8, 8) + + self.connect('motion-notify-event', self._motion_notify_event_cb) + self.connect('button-press-event', self._button_press_event_cb) + + def get_popup(self): + return self._popup + + def get_popup_context(self): + return None + + def do_popup(self, current, n_frames): + if self._popup: + return + + popup = self.get_popup() + if not popup: + return + + popup_context = self.get_popup_context() + + [x, y] = [None, None] + if popup_context: + try: + [x, y] = popup_context.get_position(self._icon, popup) + except NotImplementedError: + pass + + if [x, y] == [None, None]: + context = self._icon.get_context() + #[x, y] = context.translate_to_screen(self._icon) + [x, y] = context.translate_to_widget(self._icon) + + # TODO: Any better place to do this? + popup.props.box_width = max(popup.props.box_width, + self.get_width_request()) + + [width, height] = self._icon.get_allocation() + y += height + position = [x, y] + + popup.popup(x, y) + popup.connect('motion-notify-event', + self._popup_motion_notify_event_cb) + popup.connect('action-completed', + self._popup_action_completed_cb) + + if popup_context: + popup_context.popped_up(popup) + + self._popup = popup + + def do_popdown(self, current, frame): + if self._popup: + self._popup.popdown() + + popup_context = self.get_popup_context() + if popup_context: + popup_context.popped_down(self._popup) + + self._popup = None + + def popdown(self): + self._timeline.play('popdown', 'popdown') + + def _motion_notify_event_cb(self, button, event): + if event.detail == hippo.MOTION_DETAIL_ENTER: + self._timeline.play(None, 'popup') + elif event.detail == hippo.MOTION_DETAIL_LEAVE: + if not self._hover_popup: + self._timeline.play('before_popdown', 'popdown') + + def _popup_motion_notify_event_cb(self, popup, event): + if event.detail == hippo.MOTION_DETAIL_ENTER: + self._hover_popup = True + self._timeline.play('popup', 'popup') + elif event.detail == hippo.MOTION_DETAIL_LEAVE: + self._hover_popup = False + self._timeline.play('popdown', 'popdown') + + def _popup_action_completed_cb(self, popup): + self.popdown() + + def _set_size(self, size): + if size == SMALL_SIZE: + self.props.box_width = -1 + self.props.box_height = -1 + self._icon.props.scale = units.SMALL_ICON_SCALE + else: + self.props.box_width = units.grid_to_pixels(1) + self.props.box_height = units.grid_to_pixels(1) + self._icon.props.scale = units.STANDARD_ICON_SCALE + + self._size = size + + def do_set_property(self, pspec, value): + if pspec.name == 'icon-name': + self._icon.props.icon_name = value + elif pspec.name == 'size': + self._set_size(value) + elif pspec.name == 'active': + self._active = value + if self._active: + self._icon.props.color = self._normal_color + else: + self._icon.props.color = self._inactive_color + else: + hippo.CanvasBox.do_set_property(self, pspec, value) + + def do_get_property(self, pspec): + if pspec.name == 'icon-name': + return self._icon.props.icon_name + elif pspec.name == 'size': + return self._icon.props.size + elif pspec.name == 'active': + return self._active + else: + return hippo.CanvasBox.get_property(self, pspec) + + def _button_press_event_cb(self, widget, event): + if self._active: + self.emit_activated() |