move adjustGesCoordinate from Screen to GestureDetector

also adjust swipe direction according to screen view mode

frontend/ui/gesturedetector.lua

@@ -326,4 +326,29 @@ function GestureDetector:holdState(tev)
 	end
 end
 
+--[[
+  @brief change gesture's x and y coordinates according to screen view mode
+
+  @param ges gesture that you want to adjust
+  @return adjusted gesture.
+--]]
+function GestureDetector:adjustGesCoordinate(ges)
+	if Screen.cur_rotation_mode == 1 then
+		-- in landscape mode
+		ges.pos.x, ges.pos.y = (Screen.width - ges.pos.y), (ges.pos.x)
+		if ges.ges == "swipe" then
+			if ges.direction == "down" then
+				ges.direction = "left"
+			elseif ges.direction == "up" then
+				ges.direction = "right"
+			elseif ges.direction == "right" then
+				ges.direction = "down"
+			elseif ges.direction == "left" then
+				ges.direction = "up"
+			end
+		end
+	end
+
+	return ges
+end
 

frontend/ui/inputevent.lua

@@ -407,7 +407,7 @@ function Input:handleTouchEv(ev)
 			--self.cur_ev = {}
 			if touch_ges then
 				return Event:new("Gesture", 
-					Screen:adjustGesCoordinate(touch_ges)
+					GestureDetector:adjustGesCoordinate(touch_ges)
 				)
 			end
 		end
@@ -448,7 +448,7 @@ function Input:waitEvent(timeout_us, timeout_s)
 							-- decided a gesture? FIXME
 							Input.timer_callbacks = {}
 							return Event:new("Gesture", 
-								Screen:adjustGesCoordinate(touch_ges)
+								GestureDetector:adjustGesCoordinate(touch_ges)
 							)
 						end -- EOF if touch_ges
 					end -- EOF if deadline reached

frontend/ui/screen.lua

@@ -148,21 +148,6 @@ function Screen:setScreenMode(mode)
 	end
 end
 
---[[
-  @brief change gesture's x and y coordinates according to screen view mode
-
-  @param ges gesture that you want to adjust
-  @return adjusted gesture.
---]]
-function Screen:adjustGesCoordinate(ges)
-	if self.cur_rotation_mode == 1 then
-		--@TODO fix wipe direction  03.02 2013 (houqp)
-		ges.pos.x, ges.pos.y = (self.width - ges.pos.y), (ges.pos.x)
-	end
-
-	return ges
-end
-
 function Screen:saveCurrentBB()
 	local width, height = self:getWidth(), self:getHeight()