uix:TextInput: avoid situations that could lead to cursor_row being off screen. closes #885
uix:TextInput: avoid situations that could lead to cursor_row being off
screen. closes #885

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