diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-07-03 10:56:21 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-07-03 10:56:21 +0000 |
| commit | 66245e1b2b510c005788f56f49750808c7c80829 (patch) | |
| tree | 94d1c6cf119f9efddc14fa59f8c7cd87845647dc /win32 | |
| parent | 2c4d43082cb7c1147302f559ad623f5deb22afd0 (diff) | |
win32.c: clear relative to screen
* win32/win32.c (constat_apply): clear visible screen only, not
the entire buffer. [ruby-core:81883] [Bug #13707]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'win32')
| -rw-r--r-- | win32/win32.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/win32/win32.c b/win32/win32.c index d5b2fd792c..1544476ff0 100644 --- a/win32/win32.c +++ b/win32/win32.c @@ -6682,6 +6682,16 @@ constat_attr(int count, const int *seq, WORD attr, WORD default_attr, int *rever /* License: Ruby's */ static void +constat_clear(HANDLE handle, WORD attr, DWORD len, COORD pos) +{ + DWORD written; + + FillConsoleOutputAttribute(handle, attr, len, pos, &written); + FillConsoleOutputCharacterW(handle, L' ', len, pos, &written); +} + +/* License: Ruby's */ +static void constat_apply(HANDLE handle, struct constat *s, WCHAR w) { CONSOLE_SCREEN_BUFFER_INFO csbi; @@ -6689,7 +6699,6 @@ constat_apply(HANDLE handle, struct constat *s, WCHAR w) int count = s->vt100.state; int arg1 = 1; COORD pos; - DWORD written; if (!GetConsoleScreenBufferInfo(handle, &csbi)) return; if (count > 0 && seq[0] > 0) arg1 = seq[0]; @@ -6747,38 +6756,53 @@ constat_apply(HANDLE handle, struct constat *s, WCHAR w) case L'J': switch (arg1) { case 0: /* erase after cursor */ - FillConsoleOutputCharacterW(handle, L' ', - csbi.dwSize.X * (csbi.dwSize.Y - csbi.dwCursorPosition.Y) - csbi.dwCursorPosition.X, - csbi.dwCursorPosition, &written); + constat_clear(handle, csbi.wAttributes, + (csbi.dwSize.X * (csbi.srWindow.Bottom - csbi.dwCursorPosition.Y + 1) + - csbi.dwCursorPosition.X), + csbi.dwCursorPosition); break; case 1: /* erase before cursor */ pos.X = 0; - pos.Y = csbi.dwCursorPosition.Y; - FillConsoleOutputCharacterW(handle, L' ', - csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X, - pos, &written); + pos.Y = csbi.srWindow.Top; + constat_clear(handle, csbi.wAttributes, + (csbi.dwSize.X * (csbi.dwCursorPosition.Y - csbi.srWindow.Top) + + csbi.dwCursorPosition.X), + pos); break; case 2: /* erase entire screen */ pos.X = 0; + pos.Y = csbi.srWindow.Top; + constat_clear(handle, csbi.wAttributes, + (csbi.dwSize.X * (csbi.srWindow.Bottom - csbi.srWindow.Top + 1)), + pos); + break; + case 3: /* erase entire screen */ + pos.X = 0; pos.Y = 0; - FillConsoleOutputCharacterW(handle, L' ', csbi.dwSize.X * csbi.dwSize.Y, pos, &written); + constat_clear(handle, csbi.wAttributes, + (csbi.dwSize.X * csbi.dwSize.Y), + pos); break; } break; case L'K': switch (arg1) { case 0: /* erase after cursor */ - FillConsoleOutputCharacterW(handle, L' ', csbi.dwSize.X - csbi.dwCursorPosition.X, csbi.dwCursorPosition, &written); + constat_clear(handle, csbi.wAttributes, + (csbi.dwSize.X - csbi.dwCursorPosition.X), + csbi.dwCursorPosition); break; case 1: /* erase before cursor */ pos.X = 0; pos.Y = csbi.dwCursorPosition.Y; - FillConsoleOutputCharacterW(handle, L' ', csbi.dwCursorPosition.X, pos, &written); + constat_clear(handle, csbi.wAttributes, + csbi.dwCursorPosition.X, pos); break; case 2: /* erase entire line */ pos.X = 0; pos.Y = csbi.dwCursorPosition.Y; - FillConsoleOutputCharacterW(handle, L' ', csbi.dwSize.X, pos, &written); + constat_clear(handle, csbi.wAttributes, + csbi.dwSize.X, pos); break; } break; |