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* fhandler_console.cc: New member variable dwBufferSize' for info'.

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(fillin_info): Set `dwBufferSize' to the size of the console buffer.
(clear_screen): Use width of console buffer to calculate how many spaces to
clear.
This commit is contained in:
Christopher Faylor
2000-11-17 03:01:14 +00:00
parent c302181722
commit 5758fdf31d
2 changed files with 11 additions and 2 deletions
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6
winsup/cygwin/fhandler_console.cc
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@@ -264,6 +264,7 @@ static struct
SHORT winTop;
SHORT winBottom;
COORD dwWinSize;
COORD dwBufferSize;
COORD dwCursorPosition;
WORD wAttributes;
} info;
@@ -280,6 +281,7 @@ fhandler_console::fillin_info (void)
info.winBottom = linfo.srWindow.Bottom;
info.dwWinSize.Y = 1 + linfo.srWindow.Bottom - linfo.srWindow.Top;
info.dwWinSize.X = 1 + linfo.srWindow.Right - linfo.srWindow.Left;
info.dwBufferSize = linfo.dwSize;
info.dwCursorPosition = linfo.dwCursorPosition;
info.wAttributes = linfo.wAttributes;
}
@@ -648,9 +650,9 @@ fhandler_console::clear_screen (int x1, int y1, int x2, int y2)
if (y2 < 0)
y2 = info.winBottom;
num = abs (y1 - y2) * info.dwWinSize.X + abs (x1 - x2) + 1;
num = abs (y1 - y2) * info.dwBufferSize.X + abs (x1 - x2) + 1;
if ((y2 * info.dwWinSize.X + x2) > (y1 * info.dwWinSize.X + x1))
if ((y2 * info.dwBufferSize.X + x2) > (y1 * info.dwBufferSize.X + x1))
{
tlc.X = x1;
tlc.Y = y1;