I am very confident that the X11 behaviour is that the data goes with the application. It might be that more recent desktops/toolkits have some work around, but the gtk2 functions lazarus uses only copy data externally when asked for by an X11 messaage and this is all gtk2 provides.
Colin > On 01/04/2021 08:26 Anthony Walter via lazarus > <lazarus@lists.lazarus-ide.org> wrote: > > > I noticed a recent discussion touching on this problem posted by Bo Berglund > on November 20, 2020 to this same mailing list. > > Andreas Schneider replied in that thread, 'Pasting basically asks the > application that "copied" it to get the content. If that app is gone in the > meantime, there's nothing to paste anymore.' > > Also, Colin Western replied this is how Linux applications work, 'the data is > kept with the source program, so goes when the program closes'. > > I disagree. > > I've tested several Gtk2 applications, including older versions of Gimp and > Geany. Both these programs have clipboard copy functions and the data on the > clipboard from those applications my tests show their clipboard data persists > after they have been closed. So it would seem that Gtk2 the clipboard works > correctly and handles persisting data after an application has exited. > > I stepped through the LCL source and it looks like the clipboard code is > using some Gtk clipboard functions, and not using X windows functions, > thereby introducing a possible problem, but I am unsure if the LCL is using > the Gtk clipboard correctly. That is, the LCL might be using some Gtk > clipboard functions which seem to work well, but exhibit the problematic > behaviour I've described. > -- _______________________________________________ lazarus mailing list > lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus -- _______________________________________________ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
