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
|
import dbus
import gobject
from sugar import env
from hardware import hardwaremanager
from model.ShellModel import ShellModel
from _sugar import KeyGrabber
import sugar
_actions_table = {
'F1' : 'zoom_mesh',
'F2' : 'zoom_friends',
'F3' : 'zoom_home',
'F4' : 'zoom_activity',
'F5' : 'brightness_1',
'F6' : 'brightness_2',
'F7' : 'brightness_3',
'F8' : 'brightness_4',
'F9' : 'volume_1',
'F10' : 'volume_2',
'F11' : 'volume_3',
'F12' : 'volume_4',
'<alt>F5' : 'color_mode',
'<alt>F8' : 'b_and_w_mode',
'<alt>equal' : 'console',
'<alt>0' : 'console',
'<alt>f' : 'frame',
'0x93' : 'frame',
'<alt>o' : 'overlay',
'0xE0' : 'overlay',
'0xDC' : 'camera',
'0x7C' : 'shutdown',
'<alt><shift>s' : 'shutdown',
'0xEB' : 'rotate',
'<alt>r' : 'rotate',
'0xEC' : 'keyboard_brightness',
'<alt>Tab' : 'home'
}
class KeyHandler(object):
def __init__(self, shell):
self._shell = shell
self._hw_manager = hardwaremanager.get_hardware_manager()
self._audio_manager = hardwaremanager.get_audio_manager()
self._screen_rotation = 0
self._key_grabber = KeyGrabber()
self._key_grabber.connect('key-pressed',
self._key_pressed_cb)
self._key_grabber.connect('key-released',
self._key_released_cb)
for key in _actions_table.keys():
self._key_grabber.grab(key)
def handle_zoom_mesh(self):
self._shell.set_zoom_level(sugar.ZOOM_MESH)
def handle_zoom_friends(self):
self._shell.set_zoom_level(sugar.ZOOM_FRIENDS)
def handle_zoom_home(self):
self._shell.set_zoom_level(sugar.ZOOM_HOME)
def handle_zoom_activity(self):
self._shell.set_zoom_level(sugar.ZOOM_ACTIVITY)
def handle_brightness_1(self):
self._hw_manager.set_display_brightness(0)
def handle_brightness_2(self):
self._hw_manager.set_display_brightness(5)
def handle_brightness_3(self):
self._hw_manager.set_display_brightness(9)
def handle_brightness_4(self):
self._hw_manager.set_display_brightness(15)
def handle_volume_1(self):
self._audio_manager.set_volume(0)
def handle_volume_2(self):
self._audio_manager.set_volume(50)
def handle_volume_3(self):
self._audio_manager.set_volume(80)
def handle_volume_4(self):
self._audio_manager.set_volume(100)
def handle_color_mode(self):
self._hw_manager.set_display_mode(hardwaremanager.COLOR_MODE)
def handle_b_and_w_mode(self):
self._hw_manager.set_display_mode(hardwaremanager.B_AND_W_MODE)
def handle_console(self):
gobject.idle_add(self._toggle_console_visibility_cb)
def handle_frame(self):
self._shell.get_frame().notify_key_press()
def handle_overlay(self):
self._shell.toggle_chat_visibility()
def handle_camera(self):
current_activity = self._shell.get_current_activity()
if current_activity:
if current_activity.execute('camera', []):
return
self._shell.start_activity('org.laptop.CameraActivity')
def handle_shutdown(self):
model = self._shell.get_model()
model.props.state = ShellModel.STATE_SHUTDOWN
if env.is_emulator():
return
bus = dbus.SystemBus()
proxy = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/devices/computer')
mgr = dbus.Interface(proxy, 'org.freedesktop.Hal.Device.SystemPowerManagement')
mgr.Shutdown()
def handle_keyboard_brightness(self):
self._hw_manager.toggle_keyboard_brightness()
def handle_rotate(self):
states = [ 'normal', 'left', 'inverted', 'right']
self._screen_rotation += 1
if self._screen_rotation == len(states):
self._screen_rotation = 0
gobject.spawn_async(['xrandr', '-o', states[self._screen_rotation]],
flags=gobject.SPAWN_SEARCH_PATH)
def handle_home(self):
# FIXME: finish alt+tab support
pass
def _key_pressed_cb(self, grabber, key):
action = _actions_table[key]
method = getattr(self, 'handle_' + action)
method()
def _key_released_cb(self, grabber, key):
if key == '<shft><alt>F9':
self._frame.notify_key_release()
elif key == '0x93':
self._frame.notify_key_release()
def _toggle_console_visibility_cb(self):
bus = dbus.SessionBus()
proxy = bus.get_object('org.laptop.sugar.Console',
'/org/laptop/sugar/Console')
console = dbus.Interface(proxy, 'org.laptop.sugar.Console')
console.toggle_visibility()
|