ubuntu安装使用QTvirtualkeyboard

编译qtvirtualkeyboard

下载地址https://mirrors.tuna.tsinghua.edu.cn/qt/archive/qt/5.15/5.15.0/submodules/qtvirtualkeyboard-everywhere-src-5.15.0.zip

unable to locate package xcb-xfixes-dev	先搜素具体包名字 apt search xcb-xfixes | grep dev 然后再安装 sudo apt-get install xcb-xfixes0-dev
not such file:#include <qpa/qplatforminputcontext.h>	sudo apt-get install qtbase5-private-dev
键盘界面不显示	原因参考这个链接吧，果断放弃，不想用qml和quick，一个按键定义而已，采用自定义键盘https://blog.youkuaiyun.com/m0_55986987/article/details/140182705
保持按键见面置顶	https://www.cnblogs.com/sherlock-lin/p/11708895.html topWindow->setWindowFlags(topWindow->windowFlags() |Qt::Dialog); topWindow->setWindowModality(Qt::ApplicationModal); //阻塞除当前窗体之外的所有的窗体 topWindow->show();