From 2a11d1421c9ef9f175b646cd1c5d0ce30e93044d Mon Sep 17 00:00:00 2001
From: gwenn <gtreguier@gmail.com>
Date: Sun, 10 Jul 2016 12:25:59 +0200
Subject: [PATCH] Fix clear_screen on windows
---
src/lib.rs | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/src/lib.rs b/src/lib.rs
index a93edaa3..ae572d13 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -332,8 +332,19 @@ fn clear_screen(out: &mut Write) -> Result<()> {
write_and_flush(out, b"\x1b[H\x1b[2J")
}
#[cfg(windows)]
-fn clear_screen(out: &mut Write) -> Result<()> {
- unimplemented!()
+fn clear_screen(_: &mut Write) -> Result<()> {
+ let handle = unsafe { kernel32::GetStdHandle(STDOUT_FILENO) };
+ let mut info = unsafe { mem::zeroed() };
+ check!(kernel32::GetConsoleScreenBufferInfo(handle, &mut info));
+ let coord = winapi::COORD { X: 0, Y: 0 };
+ check!(kernel32::SetConsoleCursorPosition(handle, coord));
+ let mut _count = 0;
+ check!(kernel32::FillConsoleOutputCharacterA(handle,
+ ' ',
+ info.dwSize.X * info.dwSize.Y,
+ coord,
+ &mut _count));
+ Ok(())
}
/// Beep, used for completion when there is nothing to complete or when all
--
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