otclient-redemption/modules/corelib/ui/uidragicon.lua

UIDragIcon = {}
local uiIcon = nil

function UIDragIcon:display(item)
    if modules.client_options.getOption('showDragIcon') then
        if uiIcon == nil then
            uiIcon = g_ui.createWidget('UIDragIcon', rootWidget)
            uiIcon:setVirtual(true)
            uiIcon:setShowCount(false)
        end
        
        uiIcon:setItem(item)
        uiIcon:show()
        
        connect(rootWidget, { onMouseMove = onMouseMove })
    end
end

function UIDragIcon:hide()
    if uiIcon ~= nil then
        uiIcon:hide()
        disconnect(rootWidget, { onMouseMove = onMouseMove })
    end
end

function UIDragIcon:destroy()
    if uiIcon ~= nil then
        disconnect(rootWidget, { onMouseMove = onMouseMove })
        uiIcon:destroy()
        uiIcon = nil
    end
end

function onMouseMove(self, mousePos, mouseMoved)
    if uiIcon ~= nil then
        uiIcon:setPosition(mousePos)
    end
end