Re: Multiple Renderers In A Tree View Column

[Daniel Kasak <d j kasak dk gmail com>]

I'm @ work now ( new job too ) so I can't spend time right now preparing an example, but I have this kind of functionality in Gtk3::Ex::DBI - http://tesla.duckdns.org/gtk3-ex-dbi/ - ( specifically in the Datasheet class ), where the list of items in a combo box are populated by a query, using a value or values from other cells as a filter. Look for stuff related to refresh_dynamic_combos in Gtk3::Ex::DBI::Datasheet. If you're still having issues with it, reply and I'll give you a hand tonight or ASAP.

Dan

On Sat, May 16, 2015 at 3:39 AM, Williams, James P2 <james p2 williams lmco com> wrote:

I’m trying to create a tree view that lets the user edit items in one of the columns.  Items are either simple strings or picked from a list of strings.  To do this, I packed a text renderer and a combo box renderer into that column.  In the model, I added two Glib::Boolean columns, one to control the “visible” attribute of each of these renderers.  If the row is of string type, only the text renderer will be visible, etc.

 

The problem is in the combo box renderer, which should show a different list of items for each row.  How do I tell the renderer which model to use for its list for a given row?  I tried adding another column to the tree view’s model, of type Glib::Scalar, and set to the right model for combo box rows, and to undef for text renderer rows, but I can’t seem to get any items to show up in the combo boxes.

 

Thanks for the help, and for those who maintain this useful API.

 

Jim

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