func gListboxSelMultiTexts(widget *C.GtkWidget) (texts []string) {
var model *C.GtkTreeModel
var iter C.GtkTreeIter
var gs *C.gchar
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
rows := C.gtk_tree_selection_get_selected_rows(sel, &model)
defer C.g_list_free_full(rows, C.GDestroyNotify(unsafe.Pointer(C.gtk_tree_path_free)))
len := C.g_list_length(rows)
if len == 0 {
return nil
}
texts = make([]string, len)
for i := C.guint(0); i < len; i++ {
path := (*C.GtkTreePath)(unsafe.Pointer(rows.data))
if C.gtk_tree_model_get_iter(model, &iter, path) == C.FALSE {
panic("gtk_tree_model_get_iter() failed getting Listbox selected texts; reason unknown")
}
C.gtkTreeModelGet(model, &iter, &gs)
texts[i] = fromgstr(gs)
rows = rows.next
}
return texts
}
func (g *glib) Tracks() []Track {
ptr := g.db.tracks
len := C.g_list_length(ptr)
arr := make([]Track, 0, len)
for ptr != nil {
track := newTrack(g, (*C.Itdb_Track)(ptr.data), false)
arr = append(arr, track)
ptr = ptr.next
}
return arr
}
func (c *Client) QueryBySubsystem(subsystem string) []Device {
l := C.g_udev_client_query_by_subsystem(c.p, (*C.gchar)(C.CString(subsystem)))
result := make([]Device, C.g_list_length(l))
for i := range result {
p := (*C.struct__GUdevDevice)(l.data)
device := Device{
p: p,
}
runtime.SetFinalizer(&device, func(device *Device) {
C.g_object_unref((C.gpointer)(device.p))
})
result[i] = device
l = l.next
}
C.g_list_free(l)
return result
}
func gListboxSelectedMulti(widget *C.GtkWidget) (indices []int) {
var model *C.GtkTreeModel
tv := getTreeViewFrom(widget)
sel := C.gtk_tree_view_get_selection(tv)
rows := C.gtk_tree_selection_get_selected_rows(sel, &model)
defer C.g_list_free_full(rows, C.GDestroyNotify(unsafe.Pointer(C.gtk_tree_path_free)))
// g_list_length() is O(N), but we need the length below, alas
len := C.g_list_length(rows)
if len == 0 {
return nil
}
indices = make([]int, len)
for i := C.guint(0); i < len; i++ {
path := (*C.GtkTreePath)(unsafe.Pointer(rows.data))
idx := C.gtk_tree_path_get_indices(path)
indices[i] = int(*idx)
rows = rows.next
}
return indices
}
func (v List) Length() uint {
return uint(C.g_list_length(v.GList))
}
func (self *GList) Length() uint {
return uint(C.g_list_length(self.object))
}
// Length is a wrapper around g_list_length().
func (v *List) Length() uint {
glist := (*C.GList)(unsafe.Pointer(v))
return uint(C.g_list_length(glist))
}