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win32.c: fix CSI sequences to delete

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* win32/win32.c (constat_apply): CSI 'J' and 'K' are defaulted to
  1, not 0.  [ruby-core:86560] [Bug #14691]

* win32/win32.c (constat_apply): "delete before cursor" sequences
  include the cursor position.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63187 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-04-18 03:51:19 +00:00
parent 0f6a665484
commit 55d3ed4b9d
1 changed files with 8 additions and 8 deletions
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16
win32/win32.c
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@ -6679,11 +6679,11 @@ constat_apply(HANDLE handle, struct constat *s, WCHAR w)
CONSOLE_SCREEN_BUFFER_INFO csbi;
const int *seq = s->vt100.seq;
int count = s->vt100.state;
int arg1 = 1;
int arg0, arg1 = 1;
COORD pos;
if (!GetConsoleScreenBufferInfo(handle, &csbi)) return;
if (count > 0 && seq[0] > 0) arg1 = seq[0];
if (arg0 = (count > 0 && seq[0] > 0)) arg1 = seq[0];
switch (w) {
case L'm':
SetConsoleTextAttribute(handle, constat_attr(count, seq, csbi.wAttributes, s->vt100.attr, &s->vt100.reverse));
@ -6742,19 +6742,19 @@ constat_apply(HANDLE handle, struct constat *s, WCHAR w)
SetConsoleCursorPosition(handle, pos);
break;
case L'J':
switch (arg1) {
switch (arg0 ? arg1 : 0) {
case 0: /* erase after cursor */
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 */
case 1: /* erase before *and* cursor */
pos.X = 0;
pos.Y = csbi.srWindow.Top;
constat_clear(handle, csbi.wAttributes,
(csbi.dwSize.X * (csbi.dwCursorPosition.Y - csbi.srWindow.Top)
+ csbi.dwCursorPosition.X),
+ csbi.dwCursorPosition.X + 1),
pos);
break;
case 2: /* erase entire screen */
@ -6774,17 +6774,17 @@ constat_apply(HANDLE handle, struct constat *s, WCHAR w)
}
break;
case L'K':
switch (arg1) {
switch (arg0 ? arg1 : 0) {
case 0: /* erase after cursor */
constat_clear(handle, csbi.wAttributes,
(csbi.dwSize.X - csbi.dwCursorPosition.X),
csbi.dwCursorPosition);
break;
case 1: /* erase before cursor */
case 1: /* erase before *and* cursor */
pos.X = 0;
pos.Y = csbi.dwCursorPosition.Y;
constat_clear(handle, csbi.wAttributes,
csbi.dwCursorPosition.X, pos);
csbi.dwCursorPosition.X + 1, pos);
break;
case 2: /* erase entire line */
pos.X = 0;