2011/4/20 Tristan Van Berkom <t...@gnome.org> > On Wed, Apr 20, 2011 at 8:34 AM, Bernhard Schuster > <schuster.bernh...@googlemail.com> wrote: > > Hi I am trying to achieve the effect of new tab openening if one tab gets > > selected. Unfortunaltly the doc is very sparse on that: > > http://developer.gnome.org/gtk/stable/GtkNotebook.html as of using the > > "select-page" signal. Can anyone give me a hint how to use it properly > with > > a g_signal_connect function? > > > > Note: I am still in a learning phase so please be patient with me :) > > > > What I tried so far: > > > > gboolean > > derived_notebook_insert_page (DerivedNotebook *obj, gboolean b, gpointer > > data) > > { > > // do page insert > > } > > > > and within foo_derived_notebook_init: g_signal_connect (obj, > "select-page", > > G_CALLBACK (derived_notebook_insert_page), NULL); > > > > If anybody could shed some light of what the return value is for, and how > to > > achiev what I want, thanks very much > > Hi, > First of all if you are deriving the notebook, you should not connect a > signal handler but instead override the class vfunc (in this case would > be GtkNotebookClass->select_page). > > Also, "select-page" is generally a keybinding signal used to move > focus (it's used when one of the tabs have keyboard focus and > spacebar is pressed to make that tab's page the current page, > the return value I believe is whether the notebook keeps focus or > not). > > Probably you want to use the "switch-page" vfunc which will be > called to do the work of actually changing the current page (whether > it's done by code or by user interaction, so you might have to > be careful to avoid recursion here). > > Also, I have a hard time imagining how it would be desirable > to open a new tab as a result of selecting a different tab (maybe > some more context here would let us give you better advice). >
Texteditor, where the last tab head is just a plus and the tab content is never expected to be visible. The tab head is GtkImage showing GTK_STOCK_ADD. On click its expected to spawn a new tab let of the "special" one and gets focused instantly. Thanks for your tipp! B. _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
