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Add ^X,^B,^F,^E,^A

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Implement KEY_DC/^D
Fix some displaying errors
Add more beeps on reaching edges
This commit is contained in:
ache 1994-11-20 00:21:02 +00:00
parent 683f53703c
commit 56b9433db5
1 changed files with 50 additions and 38 deletions
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72
gnu/lib/libdialog/lineedit.c
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@ -78,8 +78,10 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
key = '\n';
goto ret;
case '\025':
case '\030':
kill_it:
memset(instr, 0, sizeof(instr));
case '\001':
case KEY_HOME:
input_x = scroll = 0;
wmove(dialog, box_y, box_x);
@ -89,9 +91,10 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wattrset(dialog, old_attr);
max_len = MIN(len,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[i]);
waddch(dialog, instr[i] ? instr[i] : ' ');
wmove(dialog, box_y, box_x);
continue;
case '\005':
case KEY_END:
for (i = strlen(instr) - 1; i >= scroll + input_x && instr[i] == ' '; i--)
instr[i] = '\0';
@ -105,9 +108,10 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
continue;
case '\002':
case KEY_LEFT:
if (input_x || scroll) {
if (!input_x) {
@ -120,14 +124,16 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
input_x = oldscroll - 1 - scroll;
}
else
input_x--;
wmove(dialog, box_y, input_x + box_x);
}
} else
beep();
continue;
case '\006':
case KEY_RIGHT:
if ( scroll+input_x < MAX_LEN
&& (flen < 0 || scroll+input_x < flen)
@ -143,7 +149,7 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, box_x + box_width - 1);
}
else {
@ -157,32 +163,48 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
case '\b':
case '\177':
case KEY_BACKSPACE:
case KEY_DC:
erase_it:
if (input_x || scroll) {
i = strlen(instr);
memmove(instr+scroll+input_x-1, instr+scroll+input_x, i-scroll+input_x+1);
memmove(instr+scroll+input_x-1, instr+scroll+input_x, i-(scroll+input_x)+1);
if (!input_x) {
int oldscroll = scroll;
scroll = scroll < box_width-1 ? 0 : scroll-(box_width-1);
wmove(dialog, box_y, box_x);
fix_len = flen >= 0 ? MIN(flen-scroll,box_width) : box_width;
for (i = 0; i < fix_len; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
input_x = oldscroll - 1 - scroll;
}
else
input_x--;
wmove(dialog, box_y, input_x + box_x);
wmove(dialog, box_y, box_x);
fix_len = flen >= 0 ? MIN(flen-scroll,box_width) : box_width;
for (i = input_x; i < fix_len; i++)
for (i = 0; i < fix_len; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
} else
beep();
continue;
case '\004':
case KEY_DC:
for (i = strlen(instr) - 1; i >= scroll + input_x && instr[i] == ' '; i--)
instr[i] = '\0';
i++;
if (i == 0) {
beep();
continue;
}
memmove(instr+scroll+input_x, instr+scroll+input_x+1, i-(scroll+input_x));
wmove(dialog, box_y, box_x);
fix_len = flen >= 0 ? MIN(flen-scroll,box_width) : box_width;
for (i = 0; i < fix_len; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
continue;
default:
if (CCEQ(key, erase_char))
@ -195,10 +217,12 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
i++;
if (i < MAX_LEN && (flen < 0 || scroll+input_x < flen)) {
if (flen < 0 || i < flen)
memmove(instr+scroll+input_x+1, instr+scroll+input_x, i-scroll+input_x);
memmove(instr+scroll+input_x+1, instr+scroll+input_x, i-(scroll+input_x));
instr[scroll+input_x] = key;
if (input_x == box_width-1 && (flen < 0 || i < flen)) {
if (input_x == box_width-1 && (flen < 0 || i < flen))
scroll++;
else
input_x++;
wmove(dialog, box_y, box_x);
fix_len = flen >= 0 ? MIN(flen-scroll,box_width) : box_width;
for (i = 0; i < fix_len; i++)
@ -206,20 +230,8 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
wmove(dialog, box_y, input_x + box_x);
}
else {
wmove(dialog, box_y, input_x + box_x);
fix_len = flen >= 0 ? MIN(flen-scroll,box_width) : box_width;
for (i = input_x; i < fix_len; i++)
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wattrset(dialog, old_attr);
max_len = MIN(len-scroll,box_width);
for ( ; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
wmove(dialog, box_y, ++input_x + box_x);
}
wmove(dialog, box_y, input_x + box_x);
} else
beep(); /* Alarm user about overflow */
continue;
@ -231,7 +243,7 @@ int line_edit(WINDOW* dialog, int box_y, int box_x, int flen, int box_width, cht
wmove(dialog, box_y, box_x);
max_len = MIN(len-scroll,box_width);
for (i = 0; i < max_len; i++)
waddch(dialog, instr[scroll+i]);
waddch(dialog, instr[scroll+i] ? instr[scroll+i] : ' ');
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
strcpy(result, instr);