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fluttercandies / extended_text

A powerful extended official text for Flutter, which supports Speical Text(Image,@somebody), Custom Background, Custom overFlow, Text Selection.
MIT License
664 stars 134 forks source link

遇到'\r'为单独一行时，选中框偏移，全选模式菜单位置不对 #80

Closed droplet-js closed 4 years ago

droplet-js commented 4 years ago

Screenshot_20200915_210829_com yuedu reader

zmtzawqlp commented 4 years ago

替换成 \n呢？？ 这个是官方计算的位置

droplet-js commented 4 years ago

我尝试了，换成'\n'会多出空行，空行也有这个问题，这是全角和半角的问题引发的。计算选中光标的方法有问题

droplet-js commented 4 years ago

同14号字体，汉语字符的行高是20，英语字符的行高是16，textPainter.preferredLineHeight=16。而我看了选中框的计算方式是直接使用textPainter.preferredLineHeight当成了行高，这小于真实的行高。

zmtzawqlp commented 4 years ago

可以给官方提下issue

droplet-js commented 4 years ago

flutter issues#65905

zmtzawqlp commented 4 years ago

试试 selectionHeightMode

droplet-js commented 4 years ago

直接关注flutter issues#65905