platform_linux.go

//----------------------------------------
//
// Copyright © ying32. All Rights Reserved.
//
// Licensed under Apache License 2.0
//
//----------------------------------------

// +build linux

package vcl

import (
	"unsafe"

	. "github.com/ying32/govcl/vcl/api"
	"github.com/ying32/govcl/vcl/types"
)

type GdkWindow uintptr

type GtkWidget uintptr

type GtkFixed uintptr

type XID uintptr

// PGtkWidget
func HandleToPlatformHandle(h types.HWND) GtkWidget {
	return GtkWidget(h)
}

func (f *TForm) PlatformWindow() GdkWindow {
	r, _, _ := GdkWindow_FromForm.Call(f.instance)
	return GdkWindow(r)
}

func (g GdkWindow) XID() (xid XID) {
	GdkWindow_GetXId.Call(uintptr(g), uintptr(unsafe.Pointer(&xid)))
	return
}

// lz中首先是一个widget，然后上面用了一个fixedWidget来处理的。
func (g GtkWidget) FixedWidget() GtkFixed {
	r, _, _ := GtkWidget_GetGtkFixed.Call(uintptr(g))
	return GtkFixed(r)
}

func (g GtkWidget) Window() GdkWindow {
	return 0
	r, _, _ := GtkWidget_Window.Call(uintptr(g))
	return GdkWindow(r)
}