标签:blog http io ar os 使用 sp for on
要求: 能够控制显示的总共行数。但不想要太重量级,简单显示就好。
If you want to limit the total number of paragraphs in a QPlainTextEdit, as it is for example useful in a log viewer, then you can use the maximumBlockCount property. The combination of
setMaximumBlockCount()andappendPlainText()turnsQPlainTextEditinto an efficient viewer for log text. The scrolling can be reduced with thecenterOnScroll()property, making the log viewer even faster. Text can be formatted in a limited way, either using a syntax highlighter (see below), or by appending html-formatted text withappendHtml(). WhileQPlainTextEditdoes not support complex rich text rendering with tables and floats, it does support limited paragraph-based formatting that you may need in a log viewer.
组合 setMaximumBlockCount() 和 appendPlainText() 方法,来实现logger的显示,可以控制总共显示的行数。
可以设置总行数来控制显示的日志数量。
可参考Qt之日志输出文件,相对容易实现点。
标签:blog http io ar os 使用 sp for on
原文地址:http://my.oschina.net/gongshang/blog/353590