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-rw-r--r--src/getstring.c275
1 files changed, 128 insertions, 147 deletions
diff --git a/src/getstring.c b/src/getstring.c
index 045af68..cc2a949 100644
--- a/src/getstring.c
+++ b/src/getstring.c
@@ -48,14 +48,13 @@ struct getstr_status {
};
/* Print the string at the desired position. */
-static void
-getstr_print (WINDOW *win, int x, int y, struct getstr_status *st)
+static void getstr_print(WINDOW * win, int x, int y, struct getstr_status *st)
{
char c = 0;
/* print string */
- mvwaddnstr (win, y, x, &st->s[st->ci[st->scrpos].offset], -1);
- wclrtoeol (win);
+ mvwaddnstr(win, y, x, &st->s[st->ci[st->scrpos].offset], -1);
+ wclrtoeol(win);
/* print scrolling indicator */
if (st->scrpos > 0 && st->ci[st->len].dpyoff -
@@ -65,62 +64,57 @@ getstr_print (WINDOW *win, int x, int y, struct getstr_status *st)
c = '<';
else if (st->ci[st->len].dpyoff - st->ci[st->scrpos].dpyoff > col - 2)
c = '>';
- mvwprintw (win, y, col - 2, " %c", c);
+ mvwprintw(win, y, col - 2, " %c", c);
/* print cursor */
- wmove (win, y, st->ci[st->pos].dpyoff - st->ci[st->scrpos].dpyoff);
- wchgat (win, 1, A_REVERSE, COLR_CUSTOM, NULL);
+ wmove(win, y, st->ci[st->pos].dpyoff - st->ci[st->scrpos].dpyoff);
+ wchgat(win, 1, A_REVERSE, COLR_CUSTOM, NULL);
}
/* Delete a character at the given position in string. */
-static void
-getstr_del_char (struct getstr_status *st)
+static void getstr_del_char(struct getstr_status *st)
{
char *str = st->s + st->ci[st->pos].offset;
int cl = st->ci[st->pos + 1].offset - st->ci[st->pos].offset;
int cw = st->ci[st->pos + 1].dpyoff - st->ci[st->pos].dpyoff;
int i;
- memmove (str, str + cl, strlen (str) + 1);
+ memmove(str, str + cl, strlen(str) + 1);
st->len--;
- for (i = st->pos; i <= st->len; i++)
- {
- st->ci[i].offset = st->ci[i + 1].offset - cl;
- st->ci[i].dpyoff = st->ci[i + 1].dpyoff - cw;
- }
+ for (i = st->pos; i <= st->len; i++) {
+ st->ci[i].offset = st->ci[i + 1].offset - cl;
+ st->ci[i].dpyoff = st->ci[i + 1].dpyoff - cw;
+ }
}
/* Add a character at the given position in string. */
-static void
-getstr_ins_char (struct getstr_status *st, char *c)
+static void getstr_ins_char(struct getstr_status *st, char *c)
{
char *str = st->s + st->ci[st->pos].offset;
- int cl = UTF8_LENGTH (c[0]);
- int cw = utf8_width (c);
+ int cl = UTF8_LENGTH(c[0]);
+ int cw = utf8_width(c);
int i;
- memmove (str + cl, str, strlen (str) + 1);
+ memmove(str + cl, str, strlen(str) + 1);
for (i = 0; i < cl; i++, str++)
*str = c[i];
- for (i = st->len; i >= st->pos; i--)
- {
- st->ci[i + 1].offset = st->ci[i].offset + cl;
- st->ci[i + 1].dpyoff = st->ci[i].dpyoff + cw;
- }
+ for (i = st->len; i >= st->pos; i--) {
+ st->ci[i + 1].offset = st->ci[i].offset + cl;
+ st->ci[i + 1].dpyoff = st->ci[i].dpyoff + cw;
+ }
st->len++;
}
-static void
-bell (void)
+static void bell(void)
{
- putchar ('\a');
+ putchar('\a');
}
/* Initialize getstring data structure. */
static void
-getstr_init (struct getstr_status *st, char *str, struct getstr_charinfo *ci)
+getstr_init(struct getstr_status *st, char *str, struct getstr_charinfo *ci)
{
int width;
@@ -128,15 +122,14 @@ getstr_init (struct getstr_status *st, char *str, struct getstr_charinfo *ci)
st->ci = ci;
st->len = width = 0;
- while (*str)
- {
- st->ci[st->len].offset = str - st->s;
- st->ci[st->len].dpyoff = width;
-
- st->len++;
- width += utf8_width (str);
- str += UTF8_LENGTH (*str);
- }
+ while (*str) {
+ st->ci[st->len].offset = str - st->s;
+ st->ci[st->len].dpyoff = width;
+
+ st->len++;
+ width += utf8_width(str);
+ str += UTF8_LENGTH(*str);
+ }
st->ci[st->len].offset = str - st->s;
st->ci[st->len].dpyoff = width;
@@ -145,30 +138,25 @@ getstr_init (struct getstr_status *st, char *str, struct getstr_charinfo *ci)
}
/* Scroll left/right if the cursor moves outside the window range. */
-static void
-getstr_fixscr (struct getstr_status *st)
+static void getstr_fixscr(struct getstr_status *st)
{
const int pgsize = col / 3;
int pgskip;
- while (st->pos < st->scrpos)
- {
- pgskip = 0;
- while (pgskip < pgsize && st->scrpos > 0)
- {
- st->scrpos--;
- pgskip += st->ci[st->scrpos + 1].dpyoff - st->ci[st->scrpos].dpyoff;
- }
+ while (st->pos < st->scrpos) {
+ pgskip = 0;
+ while (pgskip < pgsize && st->scrpos > 0) {
+ st->scrpos--;
+ pgskip += st->ci[st->scrpos + 1].dpyoff - st->ci[st->scrpos].dpyoff;
}
- while (st->ci[st->pos].dpyoff - st->ci[st->scrpos].dpyoff > col - 2)
- {
- pgskip = 0;
- while (pgskip < pgsize && st->scrpos < st->len)
- {
- pgskip += st->ci[st->scrpos + 1].dpyoff - st->ci[st->scrpos].dpyoff;
- st->scrpos++;
- }
+ }
+ while (st->ci[st->pos].dpyoff - st->ci[st->scrpos].dpyoff > col - 2) {
+ pgskip = 0;
+ while (pgskip < pgsize && st->scrpos < st->len) {
+ pgskip += st->ci[st->scrpos + 1].dpyoff - st->ci[st->scrpos].dpyoff;
+ st->scrpos++;
}
+ }
}
/*
@@ -179,8 +167,7 @@ getstr_fixscr (struct getstr_status *st)
* environment, otherwise the cursor would move from place to place without
* control.
*/
-enum getstr
-getstring (WINDOW *win, char *str, int l, int x, int y)
+enum getstr getstring(WINDOW * win, char *str, int l, int x, int y)
{
struct getstr_status st;
struct getstr_charinfo ci[l + 1];
@@ -188,112 +175,106 @@ getstring (WINDOW *win, char *str, int l, int x, int y)
int ch, k;
char c[UTF8_MAXLEN];
- getstr_init (&st, str, ci);
- custom_apply_attr (win, ATTR_HIGHEST);
+ getstr_init(&st, str, ci);
+ custom_apply_attr(win, ATTR_HIGHEST);
for (;;) {
- getstr_fixscr (&st);
- getstr_print (win, x, y, &st);
- wins_doupdate ();
-
- if ((ch = wgetch (win)) == '\n') break;
- switch (ch)
- {
- case KEY_BACKSPACE: /* delete one character */
- case 330:
- case 127:
- case CTRL ('H'):
- if (st.pos > 0)
- {
- st.pos--;
- getstr_del_char (&st);
- }
- else
- bell ();
- break;
- case CTRL ('D'): /* delete next character */
- if (st.pos < st.len)
- getstr_del_char (&st);
- else
- bell ();
- break;
- case CTRL ('W'): /* delete a word */
- if (st.pos > 0) {
- while (st.pos && st.s[st.ci[st.pos - 1].offset] == ' ')
- {
- st.pos--;
- getstr_del_char (&st);
- }
- while (st.pos && st.s[st.ci[st.pos - 1].offset] != ' ')
- {
- st.pos--;
- getstr_del_char (&st);
- }
- }
- else
- bell ();
- break;
- case CTRL ('K'): /* delete to end-of-line */
- st.s[st.ci[st.pos].offset] = 0;
- st.len = st.pos;
- break;
- case CTRL ('A'): /* go to begginning of string */
- st.pos = 0;
- break;
- case CTRL ('E'): /* go to end of string */
- st.pos = st.len;
- break;
- case KEY_LEFT: /* move one char backward */
- case CTRL ('B'):
- if (st.pos > 0) st.pos--;
- break;
- case KEY_RIGHT: /* move one char forward */
- case CTRL ('F'):
- if (st.pos < st.len) st.pos++;
- break;
- case ESCAPE: /* cancel editing */
- return GETSTRING_ESC;
- break;
- default: /* insert one character */
- c[0] = ch;
- for (k = 1; k < MIN (UTF8_LENGTH (c[0]), UTF8_MAXLEN); k++)
- c[k] = (unsigned char)wgetch (win);
- if (st.ci[st.len].offset + k < l)
- {
- getstr_ins_char (&st, c);
- st.pos++;
- }
+ getstr_fixscr(&st);
+ getstr_print(win, x, y, &st);
+ wins_doupdate();
+
+ if ((ch = wgetch(win)) == '\n')
+ break;
+ switch (ch) {
+ case KEY_BACKSPACE: /* delete one character */
+ case 330:
+ case 127:
+ case CTRL('H'):
+ if (st.pos > 0) {
+ st.pos--;
+ getstr_del_char(&st);
+ } else
+ bell();
+ break;
+ case CTRL('D'): /* delete next character */
+ if (st.pos < st.len)
+ getstr_del_char(&st);
+ else
+ bell();
+ break;
+ case CTRL('W'): /* delete a word */
+ if (st.pos > 0) {
+ while (st.pos && st.s[st.ci[st.pos - 1].offset] == ' ') {
+ st.pos--;
+ getstr_del_char(&st);
+ }
+ while (st.pos && st.s[st.ci[st.pos - 1].offset] != ' ') {
+ st.pos--;
+ getstr_del_char(&st);
+ }
+ } else
+ bell();
+ break;
+ case CTRL('K'): /* delete to end-of-line */
+ st.s[st.ci[st.pos].offset] = 0;
+ st.len = st.pos;
+ break;
+ case CTRL('A'): /* go to begginning of string */
+ st.pos = 0;
+ break;
+ case CTRL('E'): /* go to end of string */
+ st.pos = st.len;
+ break;
+ case KEY_LEFT: /* move one char backward */
+ case CTRL('B'):
+ if (st.pos > 0)
+ st.pos--;
+ break;
+ case KEY_RIGHT: /* move one char forward */
+ case CTRL('F'):
+ if (st.pos < st.len)
+ st.pos++;
+ break;
+ case ESCAPE: /* cancel editing */
+ return GETSTRING_ESC;
+ break;
+ default: /* insert one character */
+ c[0] = ch;
+ for (k = 1; k < MIN(UTF8_LENGTH(c[0]), UTF8_MAXLEN); k++)
+ c[k] = (unsigned char)wgetch(win);
+ if (st.ci[st.len].offset + k < l) {
+ getstr_ins_char(&st, c);
+ st.pos++;
}
+ }
}
- custom_remove_attr (win, ATTR_HIGHEST);
+ custom_remove_attr(win, ATTR_HIGHEST);
return st.len == 0 ? GETSTRING_RET : GETSTRING_VALID;
}
/* Update an already existing string. */
-int
-updatestring (WINDOW *win, char **str, int x, int y)
+int updatestring(WINDOW * win, char **str, int x, int y)
{
- int len = strlen (*str);
+ int len = strlen(*str);
char *buf;
enum getstr ret;
- EXIT_IF (len + 1 > BUFSIZ, _("Internal error: line too long"));
+ EXIT_IF(len + 1 > BUFSIZ, _("Internal error: line too long"));
- buf = mem_malloc (BUFSIZ);
- memcpy (buf, *str, len + 1);
+ buf = mem_malloc(BUFSIZ);
+ memcpy(buf, *str, len + 1);
- ret = getstring (win, buf, BUFSIZ, x, y);
+ ret = getstring(win, buf, BUFSIZ, x, y);
- if (ret == GETSTRING_VALID)
- {
- len = strlen (buf);
- *str = mem_realloc (*str, len + 1, 1);
- EXIT_IF (*str == NULL, _("out of memory"));
- memcpy (*str, buf, len + 1);
- }
+ if (ret == GETSTRING_VALID) {
+ len = strlen(buf);
+ *str = mem_realloc(*str, len + 1, 1);
+ EXIT_IF(*str == NULL, _("out of memory"));
+ memcpy(*str, buf, len + 1);
+ }
- mem_free (buf);
+ mem_free(buf);
return ret;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-26 10:49:24 +0000