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set rate in pan GestureRange in bbox widget

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chrox
2013-03-02 23:13:29 +08:00
parent 94a69b87a7
commit 27935a2f3c
1 changed files with 16 additions and 14 deletions
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30
frontend/ui/bbox.lua
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@@ -24,6 +24,13 @@ function BBoxWidget:init()
GestureRange:new{
ges = "pan",
range = self.view.dimen,
rate = 3.0, -- emit up to 3 evs per second
}
},
HoldAdjust = {
GestureRange:new{
ges = "hold",
range = self.view.dimen,
}
},
ConfirmAdjust = {
@@ -87,7 +94,7 @@ function BBoxWidget:inPageArea(ges)
return not ges.pos:notIntersectWith(page_dimen)
end
function BBoxWidget:adjustScreenBBox(ges, rate)
function BBoxWidget:adjustScreenBBox(ges)
--DEBUG("adjusting crop bbox with pos", ges.pos)
if not self:inPageArea(ges) then return end
local bbox = self.screen_bbox
@@ -135,17 +142,8 @@ function BBoxWidget:adjustScreenBBox(ges, rate)
x1 = math.round(bottom_right.x),
y1 = math.round(bottom_right.y)
}
if rate then
local last_time = self.last_time or {0, 0}
local this_time = { util.gettime() }
local elap_time = (this_time[1] - last_time[1]) * 1000 + (this_time[2] - last_time[2]) / 1000 -- in millisec
if elap_time > 1000 / rate then
UIManager.repaint_all = true
self.last_time = this_time
end
else
UIManager.repaint_all = true
end
UIManager.repaint_all = true
end
function BBoxWidget:getModifiedPageBBox()
@@ -158,8 +156,12 @@ function BBoxWidget:onTapAdjust(arg, ges)
end
function BBoxWidget:onPanAdjust(arg, ges)
-- up to 3 updates per second
self:adjustScreenBBox(ges, 3.0)
self:adjustScreenBBox(ges)
return true
end
function BBoxWidget:onHoldAdjust(arg, ges)
self:adjustScreenBBox(ges)
return true
end