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javalsai
2024-07-13 16:56:34 +02:00
parent 24b7db38a4
commit 6398d1b206
2 changed files with 190 additions and 26 deletions
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8
src/efield.c
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@@ -11,11 +11,13 @@ struct editable_field field_new(char* content) {
} else {
field_trim(&__efield, 0);
}
__efield.content[__efield.length] = '\0';
return __efield;
}
void field_trim(struct editable_field *field, u_char pos) {
field->length = field->pos = pos;
field->content[field->length] = '\0';
}
void field_update(struct editable_field *field, char *update) {
@@ -28,12 +30,14 @@ void field_update(struct editable_field *field, char *update) {
if (insert_len == 1) {
// backspace
if (*update == 127) {
if (field->pos == 0) return;
if (field->pos < field->length) {
memcpy(&field->content[field->pos - 1], &field->content[field->pos],
field->length - field->pos);
}
(field->pos)--;
(field->length)--;
field->content[field->length] = '\0';
return;
}
}
@@ -51,6 +55,7 @@ void field_update(struct editable_field *field, char *update) {
field->pos += insert_len;
field->length += insert_len;
field->content[field->length] = '\0';
}
// returns bool depending if it was able to "use" the seek
@@ -60,5 +65,8 @@ bool field_seek(struct editable_field *field, char seek) {
if(seek < 0 && -seek > field->pos) field->pos = 0;
else if(seek > 0 && 255 - field->pos < seek) field->pos = 255;
else field->pos += seek;
if(field->pos > field->length) field->pos = field->length;
return true;
}