window: bind the widget to our update_child then if the child change of pos/size/... it will update properties according to hints (like FloatLayout.)
window: bind the widget to our update_child then if the child change of pos/size/... it will update properties according to hints (like FloatLayout.)

edubrunaldi/kivy,jkankiewicz/kivy,kivy/kivy,cbenhagen/kivy,eHealthAfrica/kivy,adamkh/kivy,autosportlabs/kivy,Shyam10/kivy,el-ethan/kivy,mSenyor/kivy,Ramalus/kivy,yoelk/kivy,darkopevec/kivy,kivatu/kivy-bak,ehealthafrica-ci/kivy,hansent/kivy,manthansharma/kivy,bhargav2408/kivy,Shyam10/kivy,bliz937/kivy,jegger/kivy,KeyWeeUsr/kivy,ernstp/kivy,bhargav2408/kivy,darkopevec/kivy,arcticshores/kivy,xpndlabs/kivy,VinGarcia/kivy,denys-duchier/kivy,ehealthafrica-ci/kivy,CuriousLearner/kivy,matham/kivy,LogicalDash/kivy,xpndlabs/kivy,Davideddu/kivy-forkedtouch,autosportlabs/kivy,kivatu/kivy-bak,angryrancor/kivy,bionoid/kivy,inclement/kivy,zennobjects/kivy,xpndlabs/kivy,arcticshores/kivy,manthansharma/kivy,kivatu/kivy-bak,bob-the-hamster/kivy,yoelk/kivy,rnixx/kivy,Davideddu/kivy-forkedtouch,bionoid/kivy,matham/kivy,jffernandez/kivy,andnovar/kivy,JohnHowland/kivy,angryrancor/kivy,JohnHowland/kivy,matham/kivy,wangjun/kivy,hansent/kivy,VinGarcia/kivy,manthansharma/kivy,thezawad/kivy,MiyamotoAkira/kivy,JohnHowland/kivy,arlowhite/kivy,andnovar/kivy,jehutting/kivy,jegger/kivy,rafalo1333/kivy,manashmndl/kivy,el-ethan/kivy,bob-the-hamster/kivy,dirkjot/kivy,KeyWeeUsr/kivy,iamutkarshtiwari/kivy,bionoid/kivy,jehutting/kivy,LogicalDash/kivy,Farkal/kivy,Cheaterman/kivy,Davideddu/kivy-forkedtouch,arlowhite/kivy,eHealthAfrica/kivy,Farkal/kivy,kived/kivy,viralpandey/kivy,tony/kivy,rafalo1333/kivy,janssen/kivy,viralpandey/kivy,vipulroxx/kivy,ernstp/kivy,cbenhagen/kivy,niavlys/kivy,jffernandez/kivy,arcticshores/kivy,jffernandez/kivy,Cheaterman/kivy,inclement/kivy,bhargav2408/kivy,aron-bordin/kivy,habibmasuro/kivy,aron-bordin/kivy,thezawad/kivy,el-ethan/kivy,xiaoyanit/kivy,MiyamotoAkira/kivy,MiyamotoAkira/kivy,manashmndl/kivy,akshayaurora/kivy,denys-duchier/kivy,edubrunaldi/kivy,adamkh/kivy,janssen/kivy,arlowhite/kivy,JohnHowland/kivy,autosportlabs/kivy,akshayaurora/kivy,mSenyor/kivy,youprofit/kivy,niavlys/kivy,matham/kivy,kived/kivy,hansent/kivy,akshayaurora/kivy,manthansharma/kivy,arcticshores/kivy,wangjun/kivy,iamutkarshtiwari/kivy,bliz937/kivy,janssen/kivy,dirkjot/kivy,vitorio/kivy,dirkjot/kivy,jegger/kivy,ernstp/kivy,Cheaterman/kivy,xiaoyanit/kivy,MiyamotoAkira/kivy,CuriousLearner/kivy,jkankiewicz/kivy,zennobjects/kivy,gonzafirewall/kivy,inclement/kivy,VinGarcia/kivy,youprofit/kivy,tony/kivy,Shyam10/kivy,Shyam10/kivy,gonzafirewall/kivy,Farkal/kivy,vitorio/kivy,denys-duchier/kivy,kived/kivy,Cheaterman/kivy,jkankiewicz/kivy,ehealthafrica-ci/kivy,janssen/kivy,aron-bordin/kivy,LogicalDash/kivy,vipulroxx/kivy,kivy/kivy,jehutting/kivy,ernstp/kivy,darkopevec/kivy,hansent/kivy,rnixx/kivy,adamkh/kivy,Ramalus/kivy,kivy/kivy,denys-duchier/kivy,rnixx/kivy,Farkal/kivy,yoelk/kivy,habibmasuro/kivy,xiaoyanit/kivy,viralpandey/kivy,habibmasuro/kivy,angryrancor/kivy,ehealthafrica-ci/kivy,adamkh/kivy,zennobjects/kivy,wangjun/kivy,vitorio/kivy,bliz937/kivy,dirkjot/kivy,KeyWeeUsr/kivy,jffernandez/kivy,aron-bordin/kivy,niavlys/kivy,eHealthAfrica/kivy,niavlys/kivy,edubrunaldi/kivy,thezawad/kivy,iamutkarshtiwari/kivy,manashmndl/kivy,vipulroxx/kivy,tony/kivy,KeyWeeUsr/kivy,bob-the-hamster/kivy,eHealthAfrica/kivy,jkankiewicz/kivy,cbenhagen/kivy,rafalo1333/kivy,yoelk/kivy,LogicalDash/kivy,kivatu/kivy-bak,Ramalus/kivy,bionoid/kivy,youprofit/kivy,gonzafirewall/kivy,andnovar/kivy,bob-the-hamster/kivy,wangjun/kivy,zennobjects/kivy,mSenyor/kivy,angryrancor/kivy,jegger/kivy,gonzafirewall/kivy,CuriousLearner/kivy,darkopevec/kivy,vipulroxx/kivy,Davideddu/kivy-forkedtouch