// Package gtk was automatically generated by github.com/bnema/puregotk DO NOT EDIT
package gtk

import (
	"structs"
	"unsafe"

	"github.com/ebitengine/purego"

	"github.com/bnema/puregotk/pkg/core"
	"github.com/bnema/puregotk/v4/gdk"
	"github.com/bnema/puregotk/v4/gobject"
	"github.com/bnema/puregotk/v4/gobject/types"
)

type RootInterface struct {
	_ structs.HostLayout
}

func (x *RootInterface) GoPointer() uintptr {
	return uintptr(unsafe.Pointer(x))
}

// An interface for widgets that can act as the root of a widget hierarchy.
//
// The root widget takes care of providing the connection to the windowing
// system and manages layout, drawing and event delivery for its widget
// hierarchy.
//
// The obvious example of a `GtkRoot` is `GtkWindow`.
//
// To get the display to which a `GtkRoot` belongs, use
// [method@Gtk.Root.get_display].
//
// `GtkRoot` also maintains the location of keyboard focus inside its widget
// hierarchy, with [method@Gtk.Root.set_focus] and [method@Gtk.Root.get_focus].
type Root interface {
	GoPointer() uintptr
	SetGoPointer(uintptr)
	GetDisplay() *gdk.Display
	GetFocus() *Widget
	SetFocus(FocusVar *Widget)
}

var xRootGLibType func() types.GType

func RootGLibType() types.GType {
	return xRootGLibType()
}

type RootBase struct {
	Ptr uintptr
}

func (x *RootBase) GoPointer() uintptr {
	if x == nil {
		return 0
	}
	return x.Ptr
}

func (x *RootBase) SetGoPointer(ptr uintptr) {
	x.Ptr = ptr
}

// Returns the display that this `GtkRoot` is on.
func (x *RootBase) GetDisplay() *gdk.Display {
	var cls *gdk.Display

	cret := XGtkRootGetDisplay(x.GoPointer())

	if cret == 0 {
		return nil
	}
	gobject.IncreaseRef(cret)
	cls = &gdk.Display{}
	cls.Ptr = cret
	return cls
}

// Retrieves the current focused widget within the root.
//
// Note that this is the widget that would have the focus
// if the root is active; if the root is not focused then
// `gtk_widget_has_focus (widget)` will be %FALSE for the
// widget.
func (x *RootBase) GetFocus() *Widget {
	var cls *Widget

	cret := XGtkRootGetFocus(x.GoPointer())

	if cret == 0 {
		return nil
	}
	gobject.IncreaseRef(cret)
	cls = &Widget{}
	cls.Ptr = cret
	return cls
}

// If @focus is not the current focus widget, and is focusable, sets
// it as the focus widget for the root.
//
// If @focus is %NULL, unsets the focus widget for the root.
//
// To set the focus to a particular widget in the root, it is usually
// more convenient to use [method@Gtk.Widget.grab_focus] instead of
// this function.
func (x *RootBase) SetFocus(FocusVar *Widget) {

	XGtkRootSetFocus(x.GoPointer(), FocusVar.GoPointer())

}

var XGtkRootGetDisplay func(uintptr) uintptr
var XGtkRootGetFocus func(uintptr) uintptr
var XGtkRootSetFocus func(uintptr, uintptr)

func init() {
	core.SetPackageName("GTK", "gtk4")
	core.SetSharedLibraries("GTK", []string{"libgtk-4.so.1"})
	var libs []uintptr
	for _, libPath := range core.GetPaths("GTK") {
		lib, err := purego.Dlopen(libPath, purego.RTLD_NOW|purego.RTLD_GLOBAL)
		if err != nil {
			panic(err)
		}
		libs = append(libs, lib)
	}

	core.PuregoSafeRegister(&xRootGLibType, libs, "gtk_root_get_type")

	core.PuregoSafeRegister(&XGtkRootGetDisplay, libs, "gtk_root_get_display")
	core.PuregoSafeRegister(&XGtkRootGetFocus, libs, "gtk_root_get_focus")
	core.PuregoSafeRegister(&XGtkRootSetFocus, libs, "gtk_root_set_focus")

}