func (p *_Systray) SetIcon(file string) error {
p.currentIcon = file
if p.isCreated {
cFile := C.CString(file)
defer C.free(unsafe.Pointer(cFile))
C.setIcon(cFile)
}
return nil
}
func SetIcon(iconBytes []byte) {
f, err := ioutil.TempFile("", "systray_temp_icon")
if err != nil {
log.Printf("Unable to create temp icon: %v", err)
return
}
defer f.Close()
_, err = f.Write(iconBytes)
if err != nil {
log.Printf("Unable to write icon to temp file %v: %v", f.Name(), f)
return
}
// Need to close file before we load it to make sure contents is flushed.
f.Close()
name, err := syscall.UTF16PtrFromString(f.Name())
if err != nil {
log.Printf("Unable to convert name to string pointer: %v", err)
return
}
C.setIcon((*C.wchar_t)(unsafe.Pointer(name)), 0)
}
// SetIcon sets the systray icon.
// iconBytes should be the content of .ico for windows and .ico/.jpg/.png
// for other platforms.
func SetIcon(iconBytes []byte) {
cstr := (*C.char)(unsafe.Pointer(&iconBytes[0]))
C.setIcon(cstr, (C.int)(len(iconBytes)))
}