forked from sugarlabs/sugar
-
Notifications
You must be signed in to change notification settings - Fork 0
/
homewindow.py
281 lines (230 loc) · 9.9 KB
/
homewindow.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
# 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
from gettext import gettext as _
import logging
from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkX11
from sugar3.graphics import style
from sugar3.graphics import palettegroup
from sugar3.graphics.alert import ErrorAlert
from jarabe.desktop.meshbox import MeshBox
from jarabe.desktop.homebox import HomeBox
from jarabe.desktop.homebackgroundbox import HomeBackgroundBox
from jarabe.desktop.groupbox import GroupBox
from jarabe.desktop.transitionbox import TransitionBox
from jarabe.desktop.viewtoolbar import ViewToolbar
from jarabe.model.shell import ShellModel
from jarabe.model import shell
_HOME_PAGE = 0
_GROUP_PAGE = 1
_MESH_PAGE = 2
_TRANSITION_PAGE = 3
_instance = None
class HomeWindow(Gtk.Window):
def __init__(self):
logging.debug('STARTUP: Loading the desktop window')
Gtk.Window.__init__(self)
self.set_has_resize_grip(False)
accel_group = Gtk.AccelGroup()
self.sugar_accel_group = accel_group
self.add_accel_group(accel_group)
self._active = False
self._fully_obscured = True
screen = self.get_screen()
screen.connect('size-changed', self.__screen_size_change_cb)
self.set_default_size(screen.get_width(),
screen.get_height())
self.realize()
self.set_type_hint(Gdk.WindowTypeHint.DESKTOP)
self.modify_bg(Gtk.StateType.NORMAL,
style.COLOR_WHITE.get_gdk_color())
self.add_events(Gdk.EventMask.VISIBILITY_NOTIFY_MASK |
Gdk.EventMask.BUTTON_PRESS_MASK)
self.connect('visibility-notify-event',
self._visibility_notify_event_cb)
self.connect('map-event', self.__map_event_cb)
self.connect('key-press-event', self.__key_press_event_cb)
self.connect('key-release-event', self.__key_release_event_cb)
self.connect('button-press-event', self.__button_pressed_cb)
self._box = HomeBackgroundBox()
self._toolbar = ViewToolbar()
self._box.pack_start(self._toolbar, False, True, 0)
self._toolbar.show()
self._home_box = HomeBox(self._toolbar)
self._box.pack_start(self._home_box, True, True, 0)
self._home_box.show()
self._home_box.grab_focus()
self._toolbar.show_view_buttons()
self._group_box = GroupBox(self._toolbar)
self._mesh_box = MeshBox(self._toolbar)
self._transition_box = TransitionBox()
self.add(self._box)
self._box.show()
self._transition_box.connect('completed',
self._transition_completed_cb)
self._alert = None
shell_model = shell.get_model()
shell_model.zoom_level_changed.connect(self.__zoom_level_changed_cb)
shell_model.connect('open-activity-error',
self.__open_activity_error_cb)
def add_alert(self, alert):
if self._alert is not None:
self.remove_alert()
self._alert = alert
self._box.pack_start(alert, False, True, 0)
self._box.reorder_child(alert, 1)
def remove_alert(self):
self._box.remove(self._alert)
self._alert = None
def __open_activity_error_cb(self, model, title, message):
logging.error('%s: %s' % (title, message))
if self._alert is None:
self._alert = ErrorAlert()
self._alert.connect('response', self.__alert_response_cb)
self.add_alert(self._alert)
self._alert.show()
self._alert.props.title = title
self._alert.props.msg = message
def __alert_response_cb(self, alert, response_id):
self.remove_alert()
def _deactivate_view(self, level):
group = palettegroup.get_group('default')
group.popdown()
if level == ShellModel.ZOOM_HOME:
self._home_box.suspend()
elif level == ShellModel.ZOOM_MESH:
self._mesh_box.suspend()
def __screen_size_change_cb(self, screen):
self.resize(screen.get_width(), screen.get_height())
def _activate_view(self, level):
if level == ShellModel.ZOOM_HOME:
self._home_box.resume()
elif level == ShellModel.ZOOM_MESH:
self._mesh_box.resume()
def _visibility_notify_event_cb(self, window, event):
fully_obscured = (
event.get_state() == Gdk.VisibilityState.FULLY_OBSCURED)
if self._fully_obscured == fully_obscured:
return
self._fully_obscured = fully_obscured
if fully_obscured:
self._deactivate_view(shell.get_model().zoom_level)
else:
display = Gdk.Display.get_default()
screen_, x_, y_, modmask = display.get_pointer()
if modmask & Gdk.ModifierType.MOD1_MASK:
self._home_box.set_resume_mode(False)
else:
self._home_box.set_resume_mode(True)
self._activate_view(shell.get_model().zoom_level)
def __key_press_event_cb(self, window, event):
if event.keyval in [Gdk.KEY_Alt_L, Gdk.KEY_Alt_R]:
self._home_box.set_resume_mode(False)
else:
if not self._toolbar.search_entry.has_focus():
self._toolbar.search_entry.grab_focus()
return False
def __key_release_event_cb(self, window, event):
if event.keyval in [Gdk.KEY_Alt_L, Gdk.KEY_Alt_R]:
self._home_box.set_resume_mode(True)
return False
def __button_pressed_cb(self, widget, event):
current_box = self._box.get_children()[1]
current_box.grab_focus()
return False
def __map_event_cb(self, window, event):
# have to make the desktop window active
# since metacity doesn't make it on startup
timestamp = event.get_time()
x11_window = self.get_window()
if not timestamp:
timestamp = GdkX11.x11_get_server_time(x11_window)
x11_window.focus(timestamp)
def __zoom_level_changed_cb(self, **kwargs):
old_level = kwargs['old_level']
new_level = kwargs['new_level']
self._deactivate_view(old_level)
self._activate_view(new_level)
if old_level != ShellModel.ZOOM_ACTIVITY and \
new_level != ShellModel.ZOOM_ACTIVITY:
children = self._box.get_children()
if len(children) >= 2:
self._box.remove(children[1])
self._box.pack_start(self._transition_box, True, True, 0)
self._transition_box.show()
if new_level == ShellModel.ZOOM_HOME:
end_size = style.XLARGE_ICON_SIZE
elif new_level == ShellModel.ZOOM_GROUP:
end_size = style.LARGE_ICON_SIZE
elif new_level == ShellModel.ZOOM_MESH:
end_size = style.STANDARD_ICON_SIZE
if old_level == ShellModel.ZOOM_HOME:
start_size = style.XLARGE_ICON_SIZE
elif old_level == ShellModel.ZOOM_GROUP:
start_size = style.LARGE_ICON_SIZE
elif old_level == ShellModel.ZOOM_MESH:
start_size = style.STANDARD_ICON_SIZE
self._transition_box.start_transition(start_size, end_size)
else:
self._update_view(new_level)
def _transition_completed_cb(self, transition_box):
self._update_view(shell.get_model().zoom_level)
def _update_view(self, level):
if level == ShellModel.ZOOM_ACTIVITY:
return
children = self._box.get_children()
if len(children) >= 2:
self._box.remove(children[1])
if level == ShellModel.ZOOM_HOME:
self._box.pack_start(self._home_box, True, True, 0)
self._home_box.show()
self._toolbar.clear_query()
self._toolbar.set_placeholder_text_for_view(_('Home'))
self._home_box.grab_focus()
self._toolbar.show_view_buttons()
elif level == ShellModel.ZOOM_GROUP:
self._box.pack_start(self._group_box, True, True, 0)
self._group_box.show()
self._toolbar.clear_query()
self._toolbar.set_placeholder_text_for_view(_('Group'))
self._group_box.grab_focus()
self._toolbar.hide_view_buttons()
elif level == ShellModel.ZOOM_MESH:
self._box.pack_start(self._mesh_box, True, True, 0)
self._mesh_box.show()
self._toolbar.clear_query()
self._toolbar.set_placeholder_text_for_view(_('Neighborhood'))
self._mesh_box.grab_focus()
self._toolbar.hide_view_buttons()
def get_home_box(self):
return self._home_box
def busy_during_delayed_action(self, action):
"""Use busy cursor during execution of action, scheduled via idle_add.
"""
def action_wrapper(old_cursor):
try:
action()
finally:
self.get_window().set_cursor(old_cursor)
old_cursor = self.get_window().get_cursor()
self.get_window().set_cursor(Gdk.Cursor.new(Gdk.CursorType.WATCH))
GLib.idle_add(action_wrapper, old_cursor)
def get_instance():
global _instance
if not _instance:
_instance = HomeWindow()
return _instance