Support to miniwindow margin, fix protocollogin connectCallback, pt translation

modules/corelib/ui/uiminiwindow.lua

@@ -166,9 +166,10 @@ end
 
 function UIMiniWindow:onDragLeave(droppedWidget, mousePos)
   if self.movedWidget then
-    self.setMovedChildMargin(0)
+    self.setMovedChildMargin(self.movedOldMargin or 0)
     self.movedWidget = nil
     self.setMovedChildMargin = nil
+    self.movedOldMargin = nil
     self.movedIndex = nil
   end
 
@@ -190,14 +191,16 @@ function UIMiniWindow:onDragMove(mousePos, mouseMoved)
       end
 
       if self.movedWidget then
-        self.setMovedChildMargin(0)
+        self.setMovedChildMargin(self.movedOldMargin or 0)
         self.setMovedChildMargin = nil
       end
 
       if mousePos.y < childCenterY then
+        self.movedOldMargin = child:getMarginTop()
         self.setMovedChildMargin = function(v) child:setMarginTop(v) end
         self.movedIndex = 0
       else
+        self.movedOldMargin = child:getMarginBottom()
         self.setMovedChildMargin = function(v) child:setMarginBottom(v) end
         self.movedIndex = 1
       end
@@ -209,7 +212,7 @@ function UIMiniWindow:onDragMove(mousePos, mouseMoved)
   end
 
   if not overAnyWidget and self.movedWidget then
-    self.setMovedChildMargin(0)
+    self.setMovedChildMargin(self.movedOldMargin or 0)
     self.movedWidget = nil
   end
 

modules/corelib/ui/uiscrollarea.lua

@@ -135,7 +135,7 @@ function UIScrollArea:ensureChildVisible(child)
       if deltaY > 0 then
         self.verticalScrollBar:increment(deltaY)
       end
-    else
+    elseif self.horizontalScrollBar then
       local deltaX = paddingRect.x - child:getX()
       if deltaX > 0 then
         self.horizontalScrollBar:decrement(deltaX)

modules/gamelib/protocollogin.lua

@@ -16,7 +16,7 @@ function ProtocolLogin:login(host, port, accountName, accountPassword)
 
   self.accountName = accountName
   self.accountPassword = accountPassword
-  self.connectCallback = sendLoginPacket
+  self.connectCallback = self.sendLoginPacket
 
   self:connect(host, port)
 end
@@ -86,7 +86,8 @@ end
 
 function ProtocolLogin:onConnect()
   self.gotConnection = true
-  self:sendLoginPacket()
+  self:connectCallback()
+  self.connectCallback = nil
 end
 
 function ProtocolLogin:onRecv(msg)