Plugin created by inheriting QWebPluginFactory doesn't get a paint event right after the page is loaded, when the page is scrolled the plugin gets visible. Please check the modification of the fancy browser example. Visit some sites on the bottom of the startup page or visit http://www.adobe.com/software/flash/about/ site. The paint events are logged and the plugin is not visible nor the log. Qt 4.7.1,4.7.3,4.7.4 was used for development.
Created attachment 109756 [details] The zip file contains the modification of fancy browser qt example to reproduce the bug
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