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Optimize message loop.

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This commit is contained in:
Nuno Cruces 2021-03-11 14:47:40 +00:00
parent 45800f00aa
commit cafad5d70a
1 changed files with 11 additions and 5 deletions
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16
entry_windows.go
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@ -324,9 +324,15 @@ func registerClass(className string, instance syscall.Handle, fn interface{}) er
// https://docs.microsoft.com/en-us/windows/win32/winmsg/using-messages-and-message-queues
func messageLoop(hwnd uintptr) error {
for {
getMessage := getMessage.Addr()
isDialogMessage := isDialogMessage.Addr()
translateMessage := translateMessage.Addr()
dispatchMessage := dispatchMessage.Addr()
var msg _MSG
ret, _, err := getMessage.Call(uintptr(unsafe.Pointer(&msg)), 0, 0, 0)
var ptr = uintptr(unsafe.Pointer(&msg))
for {
ret, _, err := syscall.Syscall6(getMessage, 4, ptr, 0, 0, 0, 0, 0)
if int32(ret) == -1 {
return err
}
@ -334,10 +340,10 @@ func messageLoop(hwnd uintptr) error {
return nil
}
ret, _, _ = isDialogMessage.Call(hwnd, uintptr(unsafe.Pointer(&msg)), 0)
ret, _, _ = syscall.Syscall(isDialogMessage, 2, hwnd, ptr, 0)
if ret == 0 {
translateMessage.Call(uintptr(unsafe.Pointer(&msg)))
dispatchMessage.Call(uintptr(unsafe.Pointer(&msg)))
syscall.Syscall(translateMessage, 1, ptr, 0, 0)
syscall.Syscall(dispatchMessage, 1, ptr, 0, 0)
}
}
}