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add: support for fle navigation after rotation

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now filechooser can properly navigate through files
in rotated screen.
This commit is contained in:
Qingping Hou
2012-02-05 11:09:22 +08:00
parent 6b0365a711
commit b69c1318a2
1 changed files with 76 additions and 21 deletions
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97
filechooser.lua
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@@ -50,10 +50,66 @@ function FileChooser:setPath(newPath)
return true
end
function FileChooser:rotationMode()
--[[
return code for four kinds of rotation mode:
0 for no rotation,
1 for landscape with bottom on the right side of screen, etc.
2
---------
| |
| |
| |
3 | | 1
| |
| |
| |
---------
0
--]]
orie_fd = io.open("/sys/module/eink_fb_hal_broads/parameters/bs_orientation", "r")
updown_fd = io.open("/sys/module/eink_fb_hal_broads/parameters/bs_upside_down", "r")
mode = orie_fd:read() + (updown_fd:read() * 2)
return mode
end
function FileChooser:choose(ypos, height)
local perpage = math.floor(height / self.spacing) - 1
local pagedirty = true
local markerdirty = false
prevItem = function ()
if self.current == 1 then
if self.page > 1 then
self.current = perpage
self.page = self.page - 1
pagedirty = true
end
else
self.current = self.current - 1
markerdirty = true
end
end
nextItem = function ()
if self.current == perpage then
if self.page < (self.items / perpage) then
self.current = 1
self.page = self.page + 1
pagedirty = true
end
else
if self.page ~= math.floor(self.items / perpage) + 1
or self.current + (self.page-1)*perpage < self.items then
self.current = self.current + 1
markerdirty = true
end
end
end
while true do
if pagedirty then
fb.bb:paintRect(0, ypos, fb.bb:getWidth(), height, 0)
@@ -93,29 +149,28 @@ function FileChooser:choose(ypos, height)
local ev = input.waitForEvent()
if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
if ev.code == KEY_FW_UP then
if self.current == 1 then
if self.page > 1 then
self.current = perpage
self.page = self.page - 1
pagedirty = true
end
else
self.current = self.current - 1
markerdirty = true
if self:rotationMode() == 0 then
prevItem()
elseif self:rotationMode() == 2 then
nextItem()
end
elseif ev.code == KEY_FW_DOWN then
if self.current == perpage then
if self.page < (self.items / perpage) then
self.current = 1
self.page = self.page + 1
pagedirty = true
end
else
if self.page ~= math.floor(self.items / perpage) + 1
or self.current + (self.page-1)*perpage < self.items then
self.current = self.current + 1
markerdirty = true
end
if self:rotationMode() == 0 then
nextItem()
elseif self:rotationMode() == 2 then
prevItem()
end
elseif ev.code == KEY_FW_LEFT then
if self:rotationMode() == 1 then
prevItem()
elseif self:rotationMode() == 3 then
nextItem()
end
elseif ev.code == KEY_FW_RIGHT then
if self:rotationMode() == 1 then
nextItem()
elseif self:rotationMode() == 3 then
prevItem()
end
elseif ev.code == KEY_PGFWD then
if self.page < (self.items / perpage) then