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Don't copy into cut buffer during tab complete

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C. McEnroe 2020-02-14 04:04:07 -05:00
parent 3b257a55c3
commit eb3a92c99e
1 changed files with 9 additions and 9 deletions
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18
edit.c
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@ -60,9 +60,9 @@ static bool reserve(size_t index, size_t count) {
return true; return true;
} }
static void delete(size_t index, size_t count) { static void delete(bool copy, size_t index, size_t count) {
if (index + count > len) return; if (index + count > len) return;
if (count > 1) { if (copy) {
memcpy(cut.buf, &buf[index], sizeof(*buf) * count); memcpy(cut.buf, &buf[index], sizeof(*buf) * count);
cut.len = count; cut.len = count;
} }
@ -109,7 +109,7 @@ static void tabComplete(size_t id) {
return; return;
} }
delete(tab.pos, tab.len); delete(false, tab.pos, tab.len);
if (wcs[0] != L'/' && !tab.pos) { if (wcs[0] != L'/' && !tab.pos) {
tab.len = n + 2; tab.len = n + 2;
reserve(tab.pos, tab.len); reserve(tab.pos, tab.len);
@ -158,22 +158,22 @@ void edit(size_t id, enum Edit op, wchar_t ch) {
while (pos < len && !iswspace(buf[pos])) pos++; while (pos < len && !iswspace(buf[pos])) pos++;
} }
break; case EditDeleteHead: delete(0, pos); pos = 0; break; case EditDeleteHead: delete(true, 0, pos); pos = 0;
break; case EditDeleteTail: delete(pos, len - pos); break; case EditDeleteTail: delete(true, pos, len - pos);
break; case EditDeletePrev: if (pos) delete(--pos, 1); break; case EditDeletePrev: if (pos) delete(false, --pos, 1);
break; case EditDeleteNext: delete(pos, 1); break; case EditDeleteNext: delete(false, pos, 1);
break; case EditDeletePrevWord: { break; case EditDeletePrevWord: {
if (!pos) break; if (!pos) break;
size_t word = pos - 1; size_t word = pos - 1;
while (word && !iswspace(buf[word - 1])) word--; while (word && !iswspace(buf[word - 1])) word--;
delete(word, pos - word); delete(true, word, pos - word);
pos = word; pos = word;
} }
break; case EditDeleteNextWord: { break; case EditDeleteNextWord: {
if (pos == len) break; if (pos == len) break;
size_t word = pos + 1; size_t word = pos + 1;
while (word < len && !iswspace(buf[word])) word++; while (word < len && !iswspace(buf[word])) word++;
delete(pos, word - pos); delete(true, pos, word - pos);
} }
break; case EditPaste: { break; case EditPaste: {
if (reserve(pos, cut.len)) { if (reserve(pos, cut.len)) {