make ffi/util module local

frontend/apps/filemanager/filemanager.lua

@@ -15,6 +15,7 @@ local Geom = require("ui/geometry")
 local Event = require("ui/event")
 local DEBUG = require("dbg")
 local _ = require("gettext")
+local util = require("ffi/util")
 
 local FileManager = InputContainer:extend{
     title = _("FileManager"),
@@ -38,7 +39,7 @@ function FileManager:init()
         },
         VerticalSpan:new{ width = Screen:scaleByDPI(10) }
     }
-    
+
     local g_show_hidden = G_reader_settings:readSetting("show_hidden")
     local show_hidden = g_show_hidden == nil and DSHOWHIDDENFILES or g_show_hidden
     local file_chooser = FileChooser:new{
@@ -68,13 +69,13 @@ function FileManager:init()
         showReaderUI(file)
         return true
     end
-    
+
     local copyFile = function(file) self:copyFile(file) end
     local pasteHere = function(file) self:pasteHere(file) end
     local cutFile = function(file) self:cutFile(file) end
     local deleteFile = function(file) self:deleteFile(file) end
     local fileManager = self
-    
+
     function file_chooser:onFileHold(file)
         --DEBUG("hold file", file)
         self.file_dialog = ButtonDialog:new{

frontend/apps/reader/modules/readeractivityindicator.lua

@@ -1,5 +1,6 @@
 local EventListener = require("ui/widget/eventlistener")
 local Device = require("ui/device")
+local util = require("ffi/util")
 -- lipc
 
 local ReaderActivityIndicator = EventListener:new{}
@@ -12,7 +13,7 @@ function ReaderActivityIndicator:init()
     end
 end
 
-function ReaderActivityIndicator:onStartActivityIndicator()    
+function ReaderActivityIndicator:onStartActivityIndicator()
     if self.lipc_handle then
         -- check if activity indicator is needed
         if self.document.configurable.text_wrap == 1 then

frontend/ui/device/screen.lua

@@ -1,6 +1,7 @@
 local Blitbuffer = require("ffi/blitbuffer")
 local Geom = require("ui/geometry")
 local DEBUG = require("dbg")
+local util = require("ffi/util")
 
 -- Blitbuffer
 -- einkfb

frontend/ui/input.lua

@@ -6,6 +6,7 @@ local Screen = require("ui/screen")
 local Math = require("optmath")
 local DEBUG = require("dbg")
 local _ = require("gettext")
+local util = require("ffi/util")
 
 -- constants from <linux/input.h>
 local EV_SYN = 0

frontend/ui/timeval.lua

@@ -1,3 +1,5 @@
+local util = require("ffi/util")
+
 local TimeVal = {
     sec = 0,
     usec = 0,

frontend/ui/uimanager.lua

@@ -4,6 +4,7 @@ local Input = require("ui/input")
 local Event = require("ui/event")
 local DEBUG = require("dbg")
 local _ = require("gettext")
+local util = require("ffi/util")
 
 -- initialize output module, this must be initialized before Input
 Screen:init()
@@ -214,7 +215,7 @@ function UIManager:run()
                 dirty = true
             end
         end
-        
+
         if self.full_refresh then
             dirty = true
             force_full_refresh = true
@@ -224,11 +225,11 @@ function UIManager:run()
             dirty = true
             force_patial_refresh = true
         end
-        
+
         self.repaint_all = false
         self.full_refresh = false
         self.patial_refresh = false
-        
+
         local refresh_type = self.default_refresh_type
         local waveform_mode = self.default_waveform_mode
         if dirty then
@@ -243,7 +244,7 @@ function UIManager:run()
             if self.update_region_func then
                 local update_region = self.update_region_func()
                 -- in some rare cases update region has 1 pixel offset
-                Screen:refresh(refresh_type, waveform_mode, 
+                Screen:refresh(refresh_type, waveform_mode,
                                update_region.x-1, update_region.y-1,
                                update_region.w+2, update_region.h+2)
             else
@@ -251,7 +252,7 @@ function UIManager:run()
             end
             if self.refresh_type == 1 then
                 self.refresh_count = 0
-            elseif not force_patial_refresh and not force_full_refresh then 
+            elseif not force_patial_refresh and not force_full_refresh then
                 self.refresh_count = (self.refresh_count + 1)%self.FULL_REFRESH_COUNT
             end
             self.update_region_func = nil

frontend/ui/widget/filechooser.lua

@@ -2,6 +2,7 @@ local Menu = require("ui/widget/menu")
 local Screen = require("ui/screen")
 local UIManager = require("ui/uimanager")
 local DEBUG = require("dbg")
+local util = require("ffi/util")
 -- lfs
 local ffi = require("ffi")
 ffi.cdef[[

frontend/ui/widget/inputtext.lua

@@ -10,6 +10,7 @@ local Device = require("ui/device")
 local Screen = require("ui/screen")
 local Font = require("ui/font")
 local DEBUG = require("dbg")
+local util = require("ffi/util")
 
 local InputText = InputContainer:new{
     text = "",