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// 12 july 2014
package ui
import (
"fmt"
"syscall"
"unsafe"
)
// #cgo LDFLAGS: -luser32 -lkernel32 -lgdi32 -luxtheme
// #include "winapi_windows.h"
import "C"
var msgwin C.HWND
func uiinit() error {
var errmsg *C.char
errcode := C.initWindows(&errmsg)
if errcode != 0 || errmsg != nil {
return fmt.Errorf("error initializing package ui on Windows: %s: %v", C.GoString(errmsg), syscall.Errno(errcode))
}
if err := initCommonControls(); err != nil {
return fmt.Errorf("error initializing comctl32.dll version 6: %v", err)
}
if err := makemsgwin(); err != nil {
return fmt.Errorf("error creating message-only window: %v", err)
}
if err := makeWindowWindowClass(); err != nil {
return fmt.Errorf("error creating Window window class: %v", err)
}
return nil
}
func uimsgloop() {
C.uimsgloop()
}
func uistop() {
C.PostQuitMessage(0)
}
func issue(f func()) {
C.issue(unsafe.Pointer(&f))
}
func makemsgwin() error {
var errmsg *C.char
err := C.makemsgwin(&errmsg)
if err != 0 || errmsg != nil {
return fmt.Errorf("%s: %v", C.GoString(errmsg), syscall.Errno(err))
}
return nil
}
//export doissue
func doissue(fp unsafe.Pointer) {
perform(fp)
}
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