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Prevent flicker in Visual mode on mintty when holding down PgUp/PgDn (#16780)

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Khairul Azhar Kasmiran 2020-05-08 08:37:14 +08:00 committed by GitHub
parent 47008105b2
commit 2a4cc154f6
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1 changed files with 32 additions and 18 deletions
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50
libr/cons/cons.c
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@ -1295,34 +1295,48 @@ static int __xterm_get_cur_pos(int *xpos) {
if (write (I.fdout, get_pos, sizeof (get_pos)) < 1) {
return 0;
}
int ch = r_cons_readchar ();
if (ch != 0x1b) {
while (ch = r_cons_readchar_timeout (25)) {
if (ch < 1) {
return 0;
int ch;
char pos[16];
size_t i;
bool is_reply;
do {
is_reply = true;
ch = r_cons_readchar ();
if (ch != 0x1b) {
while (ch = r_cons_readchar_timeout (25)) {
if (ch < 1) {
return 0;
}
if (ch == 0x1b) {
break;
}
}
if (ch == 0x1b) {
}
(void)r_cons_readchar ();
for (i = 0; i < R_ARRAY_SIZE (pos) - 1; i++) {
ch = r_cons_readchar ();
if ((!i && !IS_DIGIT (ch)) || // dumps arrow keys etc.
(i == 1 && ch == '~')) { // dumps PgUp, PgDn etc.
is_reply = false;
break;
}
if (ch == ';') {
pos[i] = 0;
break;
}
pos[i] = ch;
}
}
(void)r_cons_readchar ();
char pos[16] = { 0 };
size_t i;
for (i = 0; i < sizeof (pos); i++) {
if ((ch = r_cons_readchar ()) == ';') {
break;
}
pos[i] = ch;
}
} while (!is_reply);
pos[R_ARRAY_SIZE (pos) - 1] = 0;
ypos = atoi (pos);
pos[0] = '\0';
for (i = 0; i < sizeof (pos); i++) {
for (i = 0; i < R_ARRAY_SIZE (pos) - 1; i++) {
if ((ch = r_cons_readchar ()) == 'R') {
pos[i] = 0;
break;
}
pos[i] = ch;
}
pos[R_ARRAY_SIZE (pos) - 1] = 0;
*xpos = atoi (pos);
return ypos;