On Thu, Jul 02, 2009 at 09:58:33PM +0200, Sven Neumann wrote: > > Two questions: > > > > 1. Do I have to be careful when entry callbacks write to the > > XMPModel (or any other model or structure) everytime a user types in > > a character (performance wise)? > > Usually this is not a problem. But if it turns out to be one (because > changing the model is expensive), then you might want to delay changes > to the model. You can do that for example by not connecting to 'changed' > but instead apply the changes when the dialog is closed. Or you could > connect to 'activate' and 'leave-notify-event' and apply the change when > the user presses Enter and when the focus leaves the entry. > > > 2. I tried to find out how I can add callbacks to editable tree > > items. Those callbacks should update the corresponding fields in the > > description tab. E.g someone changes in the advanced tab the title > > field. This change should then visible in the description tab and > > the title has changed. > > What am I looking for, when I want to add callbacks to those tree > > columns? A pointer to documentation or some keywords I should look > > out for would be helpful. > > You want to connect to the 'edited' signal of the GtkCellRendererText > object that is responsible for rendering the editable cell. Cheers for that response! Helped a lot!
Greetings, -- Roman Joost www: http://www.romanofski.de email: romanof...@gimp.org
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