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28 lines
621 B
Go
28 lines
621 B
Go
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package terminal
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import (
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"syscall"
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"unsafe"
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)
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func EraseLine(out FileWriter, mode EraseLineMode) {
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handle := syscall.Handle(out.Fd())
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var csbi consoleScreenBufferInfo
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procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
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var w uint32
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var x Short
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cursor := csbi.cursorPosition
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switch mode {
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case ERASE_LINE_END:
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x = csbi.size.X
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case ERASE_LINE_START:
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x = 0
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case ERASE_LINE_ALL:
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cursor.X = 0
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x = csbi.size.X
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}
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procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(x), uintptr(*(*int32)(unsafe.Pointer(&cursor))), uintptr(unsafe.Pointer(&w)))
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}
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