@ -56,7 +56,9 @@ function UIManager:init()
self._entered_poweroff_stage = true ;
Screen : setRotationMode ( 0 )
require ( " ui/screensaver " ) : show ( " poweroff " , _ ( " Powered off " ) )
Screen : refreshFull ( )
if Device : needsScreenRefreshAfterResume ( ) then
Screen : refreshFull ( )
end
UIManager : nextTick ( function ( )
Device : saveSettings ( )
self : broadcastEvent ( Event : new ( " Close " ) )
@ -67,7 +69,9 @@ function UIManager:init()
self._entered_poweroff_stage = true ;
Screen : setRotationMode ( 0 )
require ( " ui/screensaver " ) : show ( " reboot " , _ ( " Rebooting... " ) )
Screen : refreshFull ( )
if Device : needsScreenRefreshAfterResume ( ) then
Screen : refreshFull ( )
end
UIManager : nextTick ( function ( )
Device : saveSettings ( )
self : broadcastEvent ( Event : new ( " Close " ) )
@ -261,13 +265,14 @@ For refreshtype & refreshregion see description of setDirty().
---- @param refreshregion a Geom object
---- @int x
---- @int y
---- @param refreshdither an optional bool
---- @see setDirty
function UIManager : show ( widget , refreshtype , refreshregion , x , y
function UIManager : show ( widget , refreshtype , refreshregion , x , y , refreshdither )
if not widget then
logger.dbg ( " widget not exist to be shown " )
return
end
logger.dbg ( " show widget " , widget.id or widget.name or " unknown " )
logger.dbg ( " show widget : " , widget.id or widget.name or tostring ( widget ) )
self._running = true
local window = { x = x or 0 , y = y or 0 , widget = widget }
@ -281,7 +286,7 @@ function UIManager:show(widget, refreshtype, refreshregion, x, y)
end
end
-- and schedule it to be painted
self : setDirty ( widget , refreshtype , refreshregion
self : setDirty ( widget , refreshtype , refreshregion , refreshdither )
-- tell the widget that it is shown now
widget : handleEvent ( Event : new ( " Show " ) )
-- check if this widget disables double tap gesture
@ -300,13 +305,14 @@ For refreshtype & refreshregion see description of setDirty().
---- @param widget a widget object
---- @param refreshtype "full", "flashpartial", "flashui", "partial", "ui", "fast"
---- @param refreshregion a Geom object
---- @param refreshdither an optional bool
---- @see setDirty
function UIManager : close ( widget , refreshtype , refreshregion
function UIManager : close ( widget , refreshtype , refreshregion , refreshdither )
if not widget then
logger.dbg ( " widget to be closed does not exist " )
return
end
logger.dbg ( " close widget " , widget.id or widget.name )
logger.dbg ( " close widget :" , widget.name or widget.id or tostring ( widget ) )
local dirty = false
-- Ensure all the widgets can get onFlushSettings event.
widget : handleEvent ( Event : new ( " FlushSettings " ) )
@ -317,10 +323,19 @@ function UIManager:close(widget, refreshtype, refreshregion)
-- then remove all references to that widget on stack and refresh
for i = # self._window_stack , 1 , - 1 do
if self._window_stack [ i ] . widget == widget then
self._dirty [ self._window_stack [ i ] . widget ] = nil
table.remove ( self._window_stack , i )
dirty = true
elseif self._window_stack [ i ] . widget.disable_double_tap == false then
Input.disable_double_tap = false
else
-- If anything else on the stack was dithered, honor the hint
if self._window_stack [ i ] . widget.dithered then
refreshdither = true
logger.dbg ( " Lower widget " , self._window_stack [ i ] . widget.name or self._window_stack [ i ] . widget.id or tostring ( self._window_stack [ i ] . widget ) , " was dithered, honoring the dithering hint " )
end
if self._window_stack [ i ] . widget.disable_double_tap == false then
Input.disable_double_tap = false
end
end
end
if dirty and not widget.invisible then
@ -328,7 +343,7 @@ function UIManager:close(widget, refreshtype, refreshregion)
for i = 1 , # self._window_stack do
self : setDirty ( self._window_stack [ i ] . widget )
end
self : _refresh ( refreshtype , refreshregion
self : _refresh ( refreshtype , refreshregion , refreshdither )
end
end
@ -464,6 +479,8 @@ NOTE: You'll notice a trend on UI elements that are usually shown *over* some ki
That said , depending on your use case , using " ui " onClose can be a perfectly valid decision , and will ensure
never seeing a flash because of that widget .
The final parameter ( refreshdither ) is an optional hint for devices with hardware dithering support that this repaint
could benefit from dithering ( i.e . , it contains an image ) .
@ usage
@ -475,15 +492,32 @@ UIManager:setDirty(self.widget, function() return "ui", self.someelement.dimen e
---- @param widget a widget object
---- @param refreshtype "full", "flashpartial", "flashui", "partial", "ui", "fast"
---- @param refreshregion a Geom object
function UIManager : setDirty ( widget , refreshtype , refreshregion )
---- @param refreshdither an optional bool
function UIManager : setDirty ( widget , refreshtype , refreshregion , refreshdither )
if widget then
if widget == " all " then
-- special case: set all top-level widgets as being "dirty".
for i = 1 , # self._window_stack do
self._dirty [ self._window_stack [ i ] . widget ] = true
-- If any of 'em were dithered, honor their dithering hint
if self._window_stack [ i ] . widget.dithered then
-- NOTE: That works when refreshtype is NOT a function,
-- which is why _repaint does another pass of this check ;).
refreshdither = true
end
end
elseif not widget.invisible then
self._dirty [ widget ] = true
-- We only ever check the dirty flag on top-level widgets, so only set it there!
-- NOTE: Enable verbose debug to catch misbehaving widgets via our post-guard.
for i = 1 , # self._window_stack do
if self._window_stack [ i ] . widget == widget then
self._dirty [ widget ] = true
end
end
-- Again, if it's flagged as dithered, honor that
if widget.dithered then
refreshdither = true
end
end
end
-- handle refresh information
@ -493,23 +527,23 @@ function UIManager:setDirty(widget, refreshtype, refreshregion)
if dbg.is_on then
-- FIXME: We can't consume the return values of refreshtype by running it, because for a reason that is beyond me (scoping? gc?), that renders it useless later, meaning we then enqueue refreshes with bogus arguments...
-- Thankfully, we can track them in _refresh()'s logging very soon after that...
logger.dbg ( " setDirty via a func from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) )
logger.dbg ( " setDirty via a func from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) or " nil " )
end
else
-- otherwise, enqueue refresh
self : _refresh ( refreshtype , refreshregion
self : _refresh ( refreshtype , refreshregion , refreshdither )
if dbg.is_on then
if refreshregion then
logger.dbg ( " setDirty " , refreshtype and refreshtype or " nil " , " from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) or " nil " , " w/ region " , refreshregion.x , refreshregion.y , refreshregion.w , refreshregion.h
logger.dbg ( " setDirty " , refreshtype and refreshtype or " nil " , " from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) or " nil " , " w/ region " , refreshregion.x , refreshregion.y , refreshregion.w , refreshregion.h , refreshdither and " AND w/ HW dithering " or " " )
else
logger.dbg ( " setDirty " , refreshtype and refreshtype or " nil " , " from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) or " nil " , " w/ NO region "
logger.dbg ( " setDirty " , refreshtype and refreshtype or " nil " , " from widget " , widget and ( widget.name or widget.id or tostring ( widget ) ) or " nil " , " w/ NO region " , refreshdither and " AND w/ HW dithering " or " " )
end
end
end
end
dbg : guard ( UIManager , ' setDirty ' ,
nil ,
function ( self , widget , refreshtype , refreshregion
function ( self , widget , refreshtype , refreshregion , refreshdither )
if not widget or widget == " all " then return end
-- when debugging, we check if we get handed a valid widget,
-- which would be a dialog that was previously passed via show()
@ -680,6 +714,8 @@ end
-- precedence of refresh modes:
local refresh_modes = { fast = 1 , ui = 2 , partial = 3 , flashui = 4 , flashpartial = 5 , full = 6 }
-- NOTE: We might want to introduce a "force_fast" that points to fast, but has the highest priority,
-- for the few cases where we might *really* want to enforce fast (for stuff like panning or skimming?).
-- refresh methods in framebuffer implementation
local refresh_methods = {
fast = " refreshFast " ,
@ -704,6 +740,20 @@ local function update_mode(mode1, mode2)
end
end
--[[
Compares dither hints .
Dither always wins .
--]]
local function update_dither ( dither1 , dither2 )
if dither1 and not dither2 then
logger.dbg ( " update_dither: Update dither hint " , dither2 , " to " , dither1 )
return dither1
else
return dither2
end
end
--[[--
Enqueues a refresh .
@ -716,9 +766,20 @@ UIManager that a certain part of the screen is to be refreshed.
Rect ( ) that specifies the region to be updated
optional , update will affect whole screen if not specified .
Note that this should be the exception .
@ param dither
Bool , a hint to request hardware dithering ( if supported )
optional , no dithering requested if not specified or not supported .
--]]
function UIManager : _refresh ( mode , region )
if not mode then return end
function UIManager : _refresh ( mode , region , dither )
if not mode then
-- If we're trying to float a dither hint up from a lower widget after a close, mode might be nil...
-- So use the lowest priority refresh mode (short of fast, because that'd do half-toning).
if dither then
mode = " ui "
else
return
end
end
if not region and mode == " full " then
self.refresh_count = 0 -- reset counter on explicit full refresh
end
@ -763,6 +824,9 @@ function UIManager:_refresh(mode, region)
-- if no region is specified, define default region
region = region or Geom : new { w = Screen : getWidth ( ) , h = Screen : getHeight ( ) }
-- if no dithering hint was specified, don't request dithering
dither = dither or false
-- NOTE: While, ideally, we shouldn't merge refreshes w/ different waveform modes,
-- this allows us to optimize away a number of quirks of our rendering stack
-- (f.g., multiple setDirty calls queued when showing/closing a widget because of update mechanisms),
@ -775,16 +839,18 @@ function UIManager:_refresh(mode, region)
local combined = region : combine ( self._refresh_stack [ i ] . region )
-- update the mode, if needed
mode = update_mode ( mode , self._refresh_stack [ i ] . mode )
-- dithering hints are viral, one is enough to infect the whole queue
dither = update_dither ( dither , self._refresh_stack [ i ] . dither )
-- remove colliding refresh
table.remove ( self._refresh_stack , i )
-- and try again with combined data
return self : _refresh ( mode , combined
return self : _refresh ( mode , combined , dither )
end
end
-- if we've stopped hitting collisions, enqueue the refresh
logger.dbg ( " _refresh: Enqueued " , mode , " update for region " , region.x , region.y , region.w , region.h
table.insert ( self._refresh_stack , { mode = mode , region = region )
logger.dbg ( " _refresh: Enqueued " , mode , " update for region " , region.x , region.y , region.w , region.h , dither and " w/ HW dithering " or " " )
table.insert ( self._refresh_stack , { mode = mode , region = region , dither = dither })
end
--- Repaints dirty widgets.
@ -792,6 +858,8 @@ function UIManager:_repaint()
-- flag in which we will record if we did any repaints at all
-- will trigger a refresh if set.
local dirty = false
-- remember if any of our repaints were dithered
local dithered = false
-- We don't need to call paintTo() on widgets that are under
-- a widget that covers the full screen
@ -820,13 +888,21 @@ function UIManager:_repaint()
-- trigger repaint
dirty = true
-- if any of 'em were dithered, we'll want to dither the final refresh
if widget.widget . dithered then
logger.dbg ( " _repaint: it was dithered, infecting the refresh queue " )
dithered = true
end
end
end
-- execute pending refresh functions
for _ , refreshfunc in ipairs ( self._refresh_func_stack ) do
local refreshtype , region = refreshfunc ( )
if refreshtype then self : _refresh ( refreshtype , region ) end
local refreshtype , region , dither = refreshfunc ( )
-- honor dithering hints from *anywhere* in the dirty stack
dither = update_dither ( dither , dithered )
if refreshtype then self : _refresh ( refreshtype , region , dither ) end
end
self._refresh_func_stack = { }
@ -845,7 +921,8 @@ function UIManager:_repaint()
-- but checkBounds & getPhysicalRect will sanitize that in mxc_update @ ffi/framebuffer_mxcfb ;).
Screen [ refresh_methods [ refresh.mode ] ] ( Screen ,
refresh.region . x - 1 , refresh.region . y - 1 ,
refresh.region . w + 2 , refresh.region . h + 2 )
refresh.region . w + 2 , refresh.region . h + 2 ,
refresh.dither )
end
self._refresh_stack = { }
self.refresh_counted = false
@ -855,6 +932,16 @@ function UIManager:forceRePaint()
self : _repaint ( )
end
-- Used to repaint a specific sub-widget that isn't on the _window_stack itself
-- Useful to avoid repainting a complex widget when we just want to invert an icon, for instance.
-- No safety checks on x & y *by design*. I want this to blow up if used wrong.
function UIManager : widgetRepaint ( widget , x , y )
if not widget then return end
logger.dbg ( " Explicit widgetRepaint: " , widget.name or widget.id or tostring ( widget ) , " @ ( " , x , " , " , y , " ) " )
widget : paintTo ( Screen.bb , x , y )
end
function UIManager : setInputTimeout ( timeout )
self.INPUT_TIMEOUT = timeout or 200 * 1000
end
NiLuJe
5 years ago
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