static VALUE
rg_query_tab_label_packing(VALUE self, VALUE child)
{
gboolean expand, fill;
GtkPackType pack_type;
VALUE ary;
gtk_notebook_query_tab_label_packing(_SELF(self),
RVAL2WIDGET(child),
&expand, &fill, &pack_type);
ary = rb_ary_new2(3);
rb_ary_push(ary, CBOOL2RVAL(expand));
rb_ary_push(ary, CBOOL2RVAL(fill));
rb_ary_push(ary, GENUM2RVAL(pack_type, GTK_TYPE_PACK_TYPE));
return ary;
}
/* Looks for the packing attributes of the bookmarks of child. */
int
clip_GTK_NOTEBOOKQUERYTABLABELPACKING(ClipMachine * cm)
{
C_widget *cntb = _fetch_cw_arg(cm);
C_widget *cchild = _fetch_cwidget(cm,_clip_spar(cm,2));
gboolean expand, fill;
GtkPackType pack_type;
CHECKCWID(cntb,GTK_IS_NOTEBOOK);
CHECKARG2(2,MAP_t,NUMERIC_t); CHECKCWID(cchild,GTK_IS_WIDGET);
gtk_notebook_query_tab_label_packing(GTK_NOTEBOOK(cntb->widget),
cchild->widget, &expand, &fill, &pack_type);
_clip_storni(cm,expand,3,0);
_clip_storni(cm,fill,4,0);
_clip_storni(cm,pack_type,5,0);
return 0;
err:
return 1;
}
void
clearlooks_get_notebook_tab_position (GtkWidget *widget,
gboolean *start,
gboolean *end)
{
/* default value */
*start = TRUE;
*end = FALSE;
if (GE_IS_NOTEBOOK (widget)) {
gboolean found_tabs = FALSE;
gint i, n_pages;
GtkNotebook *notebook = GTK_NOTEBOOK (widget);
/* got a notebook, so walk over all the tabs and decide based
* on that ...
* It works like this:
* - If there is any visible tab that is expanded, set both.
* - Set start/end if there is any visible tab that is at
* the start/end.
* - If one has the child_visibility set to false, arrows
* are present; so none
* The heuristic falls over if there is a notebook that just
* happens to fill up all the available space. ie. All tabs
* are left aligned, but it does not require scrolling.
* (a more complex heuristic could calculate the tabs width
* and add them all up) */
n_pages = gtk_notebook_get_n_pages (notebook);
for (i = 0; i < n_pages; i++) {
GtkWidget *tab_child;
GtkWidget *tab_label;
gboolean expand;
GtkPackType pack_type;
tab_child = gtk_notebook_get_nth_page (notebook, i);
/* Skip invisible tabs */
tab_label = gtk_notebook_get_tab_label (notebook, tab_child);
if (!tab_label || !GTK_WIDGET_VISIBLE (tab_label))
continue;
/* This is the same what the notebook does internally. */
if (tab_label && !gtk_widget_get_child_visible (tab_label)) {
/* One child is hidden because scroll arrows are present.
* So both corners are rounded. */
*start = FALSE;
*end = FALSE;
return;
}
gtk_notebook_query_tab_label_packing (notebook, tab_child,
&expand,
NULL, /* don't need fill */
&pack_type);
if (!found_tabs) {
found_tabs = TRUE;
*start = FALSE;
*end = FALSE;
}
if (expand) {
*start = TRUE;
*end = TRUE;
} else if (pack_type == GTK_PACK_START) {
*start = TRUE;
} else {
*end = TRUE;
}
}
}
}
