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add multi-touch event definitions from linux/input.h

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This commit is contained in:
Qingping Hou
2012-10-21 01:25:48 +08:00
parent d4e01f97a8
commit e07c1d147f
1 changed files with 40 additions and 2 deletions
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42
frontend/ui/inputevent.lua
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@@ -1,10 +1,25 @@
require "ui/event"
require "ui/device"
require "settings"
-- constants from <linux/input.h>
EV_SYN = 0
EV_KEY = 1
EV_ABS = 3
-- event values
-- Synchronization events (SYN.code).
SYN_REPORT = 0
SYN_CONFIG = 1
SYN_MT_REPORT = 2
-- For multi-touch events (ABS.code).
ABS_MT_SLOT = 47
ABS_MT_POSITION_X = 53
ABS_MT_POSITION_Y = 54
ABS_MT_TRACKING_ID = 57
ABS_MT_PRESSURE = 58
-- key press event values (KEY.value)
EVENT_VALUE_KEY_PRESS = 1
EVENT_VALUE_KEY_REPEAT = 2
EVENT_VALUE_KEY_RELEASE = 0
@@ -219,7 +234,7 @@ Input = {
"Back", "Enter", "Sym", "AA", "Menu", "Home", "Del",
"LPgBack", "RPgBack", "LPgFwd", "RPgFwd"
}
}
},
}
function Input:init()
@@ -325,6 +340,29 @@ function Input:waitEvent(timeout_us, timeout_s)
elseif ev.value == EVENT_VALUE_KEY_RELEASE then
return Event:new("KeyRelease", key)
end
elseif ev.type == EV_ABS then
if ev.code == ABS_MT_SLOT then
DEBUG("MT_SLOT:", ev.value)
elseif ev.code == ABS_MT_TRACKING_ID then
DEBUG("MT_TRACK_ID:", ev.value)
elseif ev.code == ABS_MT_POSITION_X then
DEBUG("MT_X:", ev.value)
elseif ev.code == ABS_MT_POSITION_Y then
DEBUG("MT_Y:", ev.value)
else
DEBUG("unknown touch event!", ev)
return Event:new("UnkonwnTouchEvent", ev)
end
elseif ev.type == EV_SYN then
if ev.code == SYN_REPORT then
DEBUG("SYN REPORT")
elseif ev.code == SYN_MT_REPORT then
DEBUG("SYN MT_REPORT")
elseif ev.code == SYN_CONFIG then
DEBUG("SYN CONFIG")
else
DEBUG(ev)
end
else
-- some other kind of event that we do not know yet
return Event:new("GenericInput", ev)