Re: Which signal is emitted when the arrow in GtkComboBoxEntry() is pressed?

Egon Andersen <post@xxxxxxxxx> · Sun, 21 Nov 2004 14:24:49 +0100

Jan-Marek Glogowski wrote:
Hi Egon

This is a hack, but I it should work:

static void combo_toggle_func( GtkToggleButton
	*togglebutton, gpointer user_data )
{
	// Do your "menu" stuff
}

static void scan_children( GtkWidget *w,  gpointer data )
{
	if( GTK_IS_TOGGLE_BUTTON( w ) ) {
		g_print( "Found Button!\n" );
		g_signal_connect( w, "toggled",
			G_CALLBACK( combo_toggle_func ), NULL );
	}
}

gtk_container_forall( GTK_CONTAINER( my_combo ), scan_children, NULL );

I have also attached a patch to add a popup event (diff against v2.5.5).
Maybe you can try it and report results to the list, so it could be
included in the 2.6 release.

HTH

Jan-Marek

Thanks Jan-Marek,

I've experimented with the above 'hack'.

Unfortunately no toggle_button is found during the child-scan.

Actually the scan found only one widget in the gtkcomboboxentry, which 
to me seems quite strange as I would have expected at least two.

(Checke by setting another print-statement in the scan_children())

I haven't been able to determine which widget it actually detected, as I 
hevent found any good way of getting the type extracted from the widget 
in a human readable way.

Do you have any clue on what is going on here?

Best regards
Egon Andersen

(Also things like the GTK_IS_TOGGLE_BUTTON() macro is not found in the 
documents - okay, it is defined in the header-file, but it is missing in 
the GTK+ Reference Manual for GtkToggleButton)

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