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