Merge pull request #167 from chrox/refresh_mode

add regional screen refresh support

frontend/ui/geometry.lua

@@ -74,6 +74,17 @@ function Geom:transformByScale(zx, zy)
 	self:scaleBy(zx, zy)
 end
 
+--[[
+return size of geom
+]]--
+function Geom:sizeof()
+	if not self.w or not self.h then
+		return 0
+	else
+		return self.w * self.h
+	end
+end
+
 --[[
 enlarges or shrinks dimensions or rectangles
 
@@ -91,7 +102,8 @@ return the outer rectangle that contains both us and a given rectangle
 works for rectangles, dimensions and points
 ]]--
 function Geom:combine(rect_b)
-	local combined = Geom:new(self)
+	local combined = self:copy()
+	if not rect_b or rect_b:sizeof() == 0 then return combined end
 	if combined.x > rect_b.x then
 		combined.x = rect_b.x
 	end

frontend/ui/reader/readerpaging.lua

@@ -108,7 +108,7 @@ function ReaderPaging:initGesListener()
 					w = Screen:getWidth(),
 					h = Screen:getHeight(),
 				},
-				rate = 4.0,
+				rate = 5.0,
 			}
 		},
 		PanRelease = {
@@ -244,6 +244,9 @@ end
 function ReaderPaging:onPanRelease(arg, ges)
 	if self.flipping_mode then
 		self:updateFlippingPage(self.current_page)
+	else
+		UIManager.full_refresh = true
+		UIManager:setDirty(self.view.dialog)
 	end
 end
 
@@ -516,7 +519,10 @@ function ReaderPaging:onScrollPanRel(diff)
 	end
 	-- update current pageno to the very last part in current view
 	self:gotoPage(self.view.page_states[#self.view.page_states].page, "scrolling")
-	UIManager:setDirty(self.view.dialog)
+	
+	UIManager.waveform_mode = WAVEFORM_MODE_A2
+	UIManager.patial_refresh = true
+	UIManager:setDirty(self.view.dialog, "partial")
 end
 
 function ReaderPaging:onScrollPageRel(diff)

frontend/ui/screen.lua

@@ -72,19 +72,38 @@ function Screen:init()
 	self.cur_rotation_mode = self.native_rotation_mode
 end
 
-function Screen:refresh(refesh_type)
-	if self.native_rotation_mode ==  self.cur_rotation_mode then
+function Screen:refresh(refesh_type, waveform_mode, x, y, w, h)
+	if x then x = x < 0 and 0 or math.floor(x) end
+    if y then y = y < 0 and 0 or math.floor(y) end
+    if w then w = w > self.width and self.width or math.ceil(w) end
+    if h then h = h > self.height and self.height or math.ceil(h) end
+	if self.native_rotation_mode == self.cur_rotation_mode then
         self.fb.bb:blitFrom(self.bb, 0, 0, 0, 0, self.width, self.height)
     elseif self.native_rotation_mode == 0 and self.cur_rotation_mode == 1 then
         self.fb.bb:blitFromRotate(self.bb, 270)
+        if x and y and w and h then
+        	x, y = y, self.width - w - x
+        	w, h = h, w
+        end
     elseif self.native_rotation_mode == 0 and self.cur_rotation_mode == 3 then
         self.fb.bb:blitFromRotate(self.bb, 90)
+        if x and y and w and h then
+        	x, y = self.height - h - y, x
+        	w, h = h, w
+        end
     elseif self.native_rotation_mode == 1 and self.cur_rotation_mode == 0 then
         self.fb.bb:blitFromRotate(self.bb, 90)
+        if x and y and w and h then
+        	x, y = self.height - h - y, x
+        	w, h = h, w
+        end
     elseif self.native_rotation_mode == 1 and self.cur_rotation_mode == 3 then
         self.fb.bb:blitFromRotate(self.bb, 180)
+        if x and y and w and h then
+        	x, y = self.width - w - x, self.height - h - y
+        end
     end
-	self.fb:refresh(refesh_type)
+	self.fb:refresh(refesh_type, waveform_mode, y, x, w, h)
 end
 
 function Screen:getSize()

frontend/ui/uimanager.lua

@@ -10,18 +10,33 @@ Screen:init()
 -- initialize the input handling
 Input:init()
 
+WAVEFORM_MODE_INIT			= 0x0	-- Screen goes to white (clears)
+WAVEFORM_MODE_DU			= 0x1	-- Grey->white/grey->black
+WAVEFORM_MODE_GC16			= 0x2	-- High fidelity (flashing)
+WAVEFORM_MODE_GC4			= WAVEFORM_MODE_GC16 -- For compatibility
+WAVEFORM_MODE_GC16_FAST		= 0x3	-- Medium fidelity
+WAVEFORM_MODE_A2			= 0x4	-- Faster but even lower fidelity
+WAVEFORM_MODE_GL16			= 0x5	-- High fidelity from white transition
+WAVEFORM_MODE_GL16_FAST		= 0x6	-- Medium fidelity from white transition
+WAVEFORM_MODE_AUTO			= 0x101
 
 -- there is only one instance of this
 UIManager = {
 	-- change this to set refresh type for next refresh
 	-- defaults to 1 initially and will be set to 1 after each refresh
 	refresh_type = 1,
+	-- change this to set refresh waveform for next refresh
+	-- default to WAVEFORM_MODE_GC16 
+	waveform_mode = WAVEFORM_MODE_GC16,
 	-- force to repaint all the widget is stack, will be reset to false
 	-- after each ui loop
 	repaint_all = false,
 	-- force to do full refresh, will be reset to false
 	-- after each ui loop
 	full_refresh = false,
+	-- force to do patial refresh, will be reset to false
+	-- after each ui loop
+	patial_refresh = false,
 	-- trigger a full refresh when counter reaches FULL_REFRESH_COUNT
 	FULL_REFRESH_COUNT = DRCOUNTMAX,
 	refresh_count = 0,
@@ -173,6 +188,7 @@ function UIManager:run()
 		local dirty = false
 		local request_full_refresh = false
 		local force_full_refresh = false
+		local force_patial_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)
@@ -182,6 +198,9 @@ function UIManager:run()
 				if self._dirty[widget.widget] == "full" then
 					force_full_refresh = true
 				end
+				if self._dirty[widget.widget] == "patial" then
+					force_patial_refresh = true
+				end
 				-- and remove from list after painting
 				self._dirty[widget.widget] = nil
 				-- trigger repaint
@@ -193,26 +212,41 @@ function UIManager:run()
 			dirty = true
 			force_full_refresh = true
 		end
+		
+		if self.patial_refresh then
+			dirty = true
+			force_patial_refresh = true
+		end
 
 		self.repaint_all = false
 		self.full_refresh = false
+		self.patial_refresh = 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
+			if force_patial_refresh then
+				self.refresh_type = 1
+			elseif force_full_refresh or self.refresh_count == self.FULL_REFRESH_COUNT - 1 then
 				self.refresh_type = 0
 			else
 				self.refresh_type = 1
 			end
-			-- 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 = (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
+			--self.waveform_mode = self.fast_refresh and WAVEFORM_MODE_A2 or WAVEFORM_MODE_GC16
+			if self.update_region_func then
+				local update_region = self.update_region_func()
+				Screen:refresh(self.refresh_type, self.waveform_mode, 
+							   update_region.x, update_region.y,
+							   update_region.w, update_region.h)
+			else
+				Screen:refresh(self.refresh_type, self.waveform_mode)
+			end
+			if self.refresh_type == 0 then
+				self.refresh_count = 0
+			elseif not force_patial_refresh and not force_full_refresh then 
+				self.refresh_count = (self.refresh_count + 1)%self.FULL_REFRESH_COUNT
+			end
+			-- reset waveform_mode to WAVEFORM_MODE_GC16
+			self.waveform_mode = WAVEFORM_MODE_GC16
+			self.update_region_func = nil
 		end
 
 		self:checkTasks()

frontend/ui/widget/config.lua

@@ -37,12 +37,13 @@ end
 OptionTextItem = InputContainer:new{}
 function OptionTextItem:init()
 	local text_widget = self[1]
-	self.dimen = text_widget:getSize()
+	
 	self[1] = UnderlineContainer:new{
 		text_widget,
 		padding = self.padding,
 		color = self.color,
-		}
+	}
+	self.dimen = self[1]:getSize()
 	-- we need this table per-instance, so we declare it here
 	if Device:isTouchDevice() then
 		self.ges_events = {
@@ -255,7 +256,6 @@ function ConfigOption:init()
 					end
 				end
 			end
-
 			if self.options[c].item_text then
 				for d = 1, #self.options[c].item_text do
 					local option_item = nil
@@ -421,13 +421,10 @@ function ConfigDialog:init()
 	------------------------------------------
 	-- start to set up widget layout ---------
 	------------------------------------------
-	self.config_panel = ConfigPanel:new{
-		config_dialog = self,
-	}
 	self.config_menubar = MenuBar:new{
 		config_dialog = self,
 	}
-	self:makeDialog()
+	self:update()
 	------------------------------------------
 	-- start to set up input event callback --
 	------------------------------------------
@@ -449,19 +446,17 @@ function ConfigDialog:init()
 		self.key_events.FocusRight = nil
 	end
 	self.key_events.Select = { {"Press"}, doc = _("select current menu item") }
-
-	UIManager:setDirty(self, "partial")
 end
 
 function ConfigDialog:updateConfigPanel(index)
-	self.panel_index = index
-	self.config_panel = ConfigPanel:new{
-		index = index,
-		config_dialog = self,
-	}
+	
 end
 
-function ConfigDialog:makeDialog()
+function ConfigDialog:update()
+	self.config_panel = ConfigPanel:new{
+		index = self.panel_index,
+		config_dialog = self,
+	}
 	self.dialog_frame = FrameContainer:new{
 		background = 0,
 		VerticalGroup:new{
@@ -474,12 +469,20 @@ function ConfigDialog:makeDialog()
 		dimen = Screen:getSize(),
 		self.dialog_frame,
 	}
+	UIManager.repaint_all = true
 end
 
 function ConfigDialog:onShowConfigPanel(index)
-	self:updateConfigPanel(index)
-	self:makeDialog()
-	UIManager.repaint_all = true
+	self.panel_index = index
+	local orig_dimen = self.dialog_frame and self.dialog_frame.dimen or Geom:new{}
+	
+	self:update()
+	
+	UIManager.update_region_func = function()
+		local update_region = self.dialog_frame.dimen:combine(orig_dimen)
+		DEBUG("update region", update_region)
+		return update_region
+	end
 	return true
 end
 
@@ -487,12 +490,13 @@ function ConfigDialog:onConfigChoice(option_name, option_value)
 	--DEBUG("config option value", option_name, option_value)
 	self.configurable[option_name] = option_value
 	self.ui:handleEvent(Event:new("StartActivityIndicator"))
+	return true
 end
 
 function ConfigDialog:onConfigEvent(option_event, option_arg)
 	--DEBUG("config option event", option_event, option_arg)
 	self.ui:handleEvent(Event:new(option_event, option_arg))
-	self:onShowConfigPanel(self.panel_index)
+	return true
 end
 
 function ConfigDialog:closeDialog()

frontend/ui/widget/container.lua

@@ -204,16 +204,12 @@ UnderlineContainer = WidgetContainer:new{
 }
 
 function UnderlineContainer:getSize()
-	if self.dimen then
-		return { w = self.dimen.w, h = self.dimen.h }
-	else
-		return self:getContentSize()
-	end
+	return self:getContentSize()
 end
 
 function UnderlineContainer:getContentSize()
 	local contentSize = self[1]:getSize()
-	return {
+	return Geom:new{
 		w = contentSize.w,
 		h = contentSize.h + self.linesize + self.padding
 	}

frontend/ui/widget/dict.lua

@@ -154,6 +154,7 @@ function DictQuickLookup:update()
 		dimen = Screen:getSize(),
 		self.dict_frame,
 	}
+	UIManager.repaint_all = true
 end
 
 function DictQuickLookup:isPrevDictAvaiable()
@@ -177,8 +178,15 @@ function DictQuickLookup:changeDictionary(index)
 	self.dictionary = self.results[index].dict
 	self.lookupword = self.results[index].word
 	self.definition = self.results[index].definition
+	
+	local orig_dimen = self.dict_frame and self.dict_frame.dimen or Geom:new{}
 	self:update()
-	UIManager.repaint_all = true
+
+	UIManager.update_region_func = function()
+		local update_region = self.dict_frame.dimen:combine(orig_dimen)
+		DEBUG("update region", update_region)
+		return update_region
+	end
 end
 
 function DictQuickLookup:changeToDefaultDict()