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//+build gtk_3_6 gtk_3_8 gtk_3_10 gtk_3_12 gtk_3_14 gtk_3_16 gtk_3_18 gtk_3_20 gtk_3_22 gtk_deprecated
package gtk
// #include <gtk/gtk.h>
// #include <stdlib.h>
import "C"
import (
"fmt"
"unsafe"
"github.com/gotk3/gotk3/glib"
)
// GetFocusChain is a wrapper around gtk_container_get_focus_chain().
func (v *Container) GetFocusChain() ([]IWidget, bool, error) {
var cwlist *C.GList
c := C.gtk_container_get_focus_chain(v.native(), &cwlist)
if cwlist == nil {
return nil, gobool(c), nil
}
var widgets []IWidget
wlist := glib.WrapList(uintptr(unsafe.Pointer(cwlist)))
for ; wlist.Data() != nil; wlist = wlist.Next() {
w, ok := wlist.Data().(*Widget)
if !ok {
return nil, gobool(c), fmt.Errorf("element is not of type *Widget, got %T", w)
}
widget, err := castWidget(w.toWidget())
if err != nil {
return nil, gobool(c), err
}
widgets = append(widgets, widget)
}
return widgets, gobool(c), nil
}
/*
* GtkContainer
*/
// SetFocusChain is a wrapper around gtk_container_set_focus_chain().
func (v *Container) SetFocusChain(focusableWidgets []IWidget) {
var list *glib.List
for _, w := range focusableWidgets {
data := uintptr(unsafe.Pointer(w.toWidget()))
list = list.Append(data)
}
glist := (*C.GList)(unsafe.Pointer(list))
C.gtk_container_set_focus_chain(v.native(), glist)
}
// TODO:
// gtk_container_unset_focus_chain
// CssProviderGetDefault is a wrapper around gtk_css_provider_get_default().
func CssProviderGetDefault() (*CssProvider, error) {
c := C.gtk_css_provider_get_default()
if c == nil {
return nil, nilPtrErr
}
obj := glib.Take(unsafe.Pointer(c))
return wrapCssProvider(obj), nil
}
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