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set widget dirty with "auto", "full" and "partial" arguments

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The "auto" argument requests a full refresh and increses full refresh count
by one. And the "full" argument forces a full refresh and reset full refresh
count. And the "partial" argument requests a partial refresh.
This commit is contained in:
chrox
2013-03-06 22:24:48 +08:00
parent 64addcc841
commit d879603352
1 changed files with 15 additions and 9 deletions
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24
frontend/ui/ui.lua
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@@ -78,12 +78,11 @@ end
-- register a widget to be repainted
function UIManager:setDirty(widget, refresh_type)
-- "auto": request full refresh
-- "full": force full refresh
-- "partial": partial refresh
if not refresh_type then
refresh_type = "full"
elseif refresh_type == 0 then
refresh_type = "full"
elseif refresh_type == 1 then
refresh_type = "partial"
refresh_type = "auto"
end
self._dirty[widget] = refresh_type
end
@@ -165,13 +164,17 @@ function UIManager:run()
-- repaint dirty widgets
local dirty = false
local full_refresh = false
local request_full_refresh = false
local force_full_refresh = false
for _, widget in ipairs(self._window_stack) do
if self.repaint_all or self._dirty[widget.widget] then
widget.widget:paintTo(Screen.bb, widget.x, widget.y)
if self._dirty[widget.widget] == "full" then
full_refresh = true
if self._dirty[widget.widget] == "auto" then
request_full_refresh = true
end
if self._dirty[widget.widget] == "full" then
force_full_refresh = true
end
-- and remove from list after painting
self._dirty[widget.widget] = nil
-- trigger repaint
@@ -181,6 +184,9 @@ function UIManager:run()
self.repaint_all = false
if dirty then
if force_full_refresh then
self.refresh_count = self.FULL_REFRESH_COUNT - 1
end
if self.refresh_count == self.FULL_REFRESH_COUNT - 1 then
self.refresh_type = 0
else
@@ -189,7 +195,7 @@ function UIManager:run()
-- refresh FB
Screen:refresh(self.refresh_type) -- TODO: refresh explicitly only repainted area
-- increase refresh_count only when full refresh is requested or performed
local refresh_increment = (full_refresh or self.refresh_type == 0) and 1 or 0
local refresh_increment = (request_full_refresh or self.refresh_type == 0) and 1 or 0
self.refresh_count = (self.refresh_count + refresh_increment)%self.FULL_REFRESH_COUNT
-- reset refresh_type
self.refresh_type = 1