Resolve "Merge the best from 7.40 branch"

SabrehavenOTClient/modules/gamelib/ui/uiitem.lua

@@ -0,0 +1,137 @@
+function UIItem:onDragEnter(mousePos)
+  if self:isVirtual() then return false end
+
+  local item = self:getItem()
+  if not item then return false end
+
+  self:setBorderWidth(1)
+  self.currentDragThing = item
+  g_mouse.pushCursor('target')
+  return true
+end
+
+function UIItem:onDragLeave(droppedWidget, mousePos)
+  if self:isVirtual() then return false end
+  self.currentDragThing = nil
+  g_mouse.popCursor('target')
+  self:setBorderWidth(0)
+  self.hoveredWho = nil
+  return true
+end
+
+function UIItem:onDrop(widget, mousePos, forced)
+  if not self:canAcceptDrop(widget, mousePos) and not forced then return false end
+
+  local item = widget.currentDragThing
+  if not item or not item:isItem() then return false end
+  
+  if self.selectable then
+    if item:isPickupable() then
+      self:setItem(Item.create(item:getId(), item:getCountOrSubType()))
+      return true
+    end
+    return false
+  end
+
+  local toPos = self.position
+
+  local itemPos = item:getPosition()
+  if itemPos.x == toPos.x and itemPos.y == toPos.y and itemPos.z == toPos.z then return false end
+
+  if item:getCount() > 1 then
+    modules.game_interface.moveStackableItem(item, toPos)
+  else
+    g_game.move(item, toPos, 1)
+  end
+
+  self:setBorderWidth(0)
+  return true
+end
+
+function UIItem:onDestroy()
+  if self == g_ui.getDraggingWidget() and self.hoveredWho then
+    self.hoveredWho:setBorderWidth(0)
+  end
+
+  if self.hoveredWho then
+    self.hoveredWho = nil
+  end
+end
+
+function UIItem:onHoverChange(hovered)
+  UIWidget.onHoverChange(self, hovered)
+    
+  if self:isVirtual() or not self:isDraggable() then return end
+
+  local draggingWidget = g_ui.getDraggingWidget()
+  if draggingWidget and self ~= draggingWidget then
+    local gotMap = draggingWidget:getClassName() == 'UIGameMap'
+    local gotItem = draggingWidget:getClassName() == 'UIItem' and not draggingWidget:isVirtual()
+    if hovered and (gotItem or gotMap) then
+      self:setBorderWidth(1)
+      draggingWidget.hoveredWho = self
+    else
+      self:setBorderWidth(0)
+      draggingWidget.hoveredWho = nil
+    end
+  end
+end
+
+function UIItem:onMouseRelease(mousePosition, mouseButton)
+  if self.cancelNextRelease then
+    self.cancelNextRelease = false
+    return true
+  end
+
+  if self:isVirtual() then return false end
+
+  local item = self:getItem()
+  if not item or not self:containsPoint(mousePosition) then return false end
+
+  if modules.client_options.getOption('classicControl') and not g_app.isMobile() and
+     ((g_mouse.isPressed(MouseLeftButton) and mouseButton == MouseRightButton) or
+      (g_mouse.isPressed(MouseRightButton) and mouseButton == MouseLeftButton)) then
+    g_game.look(item)
+    self.cancelNextRelease = true
+    return true
+  elseif modules.game_interface.processMouseAction(mousePosition, mouseButton, nil, item, item, nil, nil) then
+    return true
+  end
+  return false
+end
+
+function UIItem:canAcceptDrop(widget, mousePos)
+  if not self.selectable and (self:isVirtual() or not self:isDraggable()) then return false end
+  if not widget or not widget.currentDragThing then return false end
+
+  local children = rootWidget:recursiveGetChildrenByPos(mousePos)
+  for i=1,#children do
+    local child = children[i]
+    if child == self then
+      return true
+    elseif not child:isPhantom() then
+      return false
+    end
+  end
+
+  error('Widget ' .. self:getId() .. ' not in drop list.')
+  return false
+end
+
+function UIItem:onClick(mousePos)
+  if not self.selectable or not self.editable then
+    return
+  end
+
+  if modules.game_itemselector then
+    modules.game_itemselector.show(self)
+  end
+end
+
+function UIItem:onItemChange()
+  local tooltip = nil
+  if self:getItem() and self:getItem():getTooltip():len() > 0 then
+    tooltip = self:getItem():getTooltip()
+  end
+  self:setTooltip(tooltip)
+end