Hi Mitko! Can you post here the code for the button-press event handler? It should more or less follow the code here: http://scentric.net/tutorial/sec-misc-get-renderer-from-click.html
Luca Il giorno lun 17 dic 2018 alle ore 20:28 Mitko Haralanov via gtk-list < gtk-list@gnome.org> ha scritto: > Hi, > > In my application, I want to be able to update a treeview from a separate > thread. Each treeview row was a column that is a progress bar. The progress > to be displayed is generated by a separate thread as to not block the UI. > > Since GTK is not thread-safe, the way the application is written is that > the thread, when it needs to emit a signal, will prepare the signal data > and then call g_main_context_invoke_full(NULL, cb, data, ...) in order to > be able to call g_singal_emit() in the global default context thread. The > signal handler updates the tree model, which in turn updates the tree view. > > For the most part this works with one big, ugly exception - the same > treeview has a column, which is supposed to open the item's Edit dialog > when clicked. So, naturally, I have a button-press handler connected to the > treeview, which launches the Edit dialog when the button press occurs in > the correct column. > > However, when an update is running and the thread is continuously emitting > signals, clicking on *any* column of *any* of the other items opens the > Edit dialog. The treeview behaves as if the items in it have only one > column. > > Every example or document that I have seen in relation to signals from > threads says to emit the signal from a g_idle_add() handler. However, > g_main_context_invoke_full(NULL, ...) should be the same as calling > g_idle_add(). > > Can someone shed some light into what might be happening? > > Thank you. > > > _______________________________________________ > gtk-list mailing list > gtk-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtk-list >
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