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use rotate gesture to set screen mode

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This commit is contained in:
chrox
2013-03-28 22:08:48 +08:00
parent 7fcc2e5972
commit f4b74cea95
1 changed files with 51 additions and 5 deletions
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56
frontend/ui/reader/readerrotation.lua
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@@ -1,12 +1,42 @@
ReaderRotation = InputContainer:new{
key_events = {
-- these will all generate the same event, just with different arguments
RotateLeft = { {"J"}, doc = "rotate left by 90 degrees", event = "Rotate", args = -90 },
RotateRight = { {"K"}, doc = "rotate right by 90 degrees", event = "Rotate", args = 90 },
},
ROTATE_ANGLE_THRESHOLD = 15,
current_rotation = 0
}
function ReaderRotation:init()
if Device:hasKeyboard() then
self.key_events = {
-- these will all generate the same event, just with different arguments
RotateLeft = { {"J"}, doc = "rotate left by 90 degrees", event = "Rotate", args = -90 },
RotateRight = { {"K"}, doc = "rotate right by 90 degrees", event = "Rotate", args = 90 },
}
end
if Device:isTouchDevice() then
self.ges_events = {
RotateGes = {
GestureRange:new{
ges = "rotate",
range = Geom:new{
x = 0, y = 0,
w = Screen:getWidth(),
h = Screen:getHeight(),
}
}
},
TwoFingerPanRelease = {
GestureRange:new{
ges = "two_finger_pan_release",
range = Geom:new{
x = 0, y = 0,
w = Screen:getWidth(),
h = Screen:getHeight(),
}
}
}
}
end
end
-- TODO: reset rotation on new document, maybe on new page?
function ReaderRotation:onRotate(rotate_by)
@@ -14,3 +44,19 @@ function ReaderRotation:onRotate(rotate_by)
self.ui:handleEvent(Event:new("RotationUpdate", self.current_rotation))
return true
end
function ReaderRotation:onRotateGes(arg, ges)
self.ratate_angle = ges.angle
return true
end
function ReaderRotation:onTwoFingerPanRelease(arg, ges)
if self.ratate_angle and self.ratate_angle > self.ROTATE_ANGLE_THRESHOLD then
if Screen:getScreenMode() == "portrait" then
self.ui:handleEvent(Event:new("SetScreenMode", "landscape"))
else
self.ui:handleEvent(Event:new("SetScreenMode", "portrait"))
end
self.ratate_angle = nil
end
end