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search: don’t re-scan the scrollback unless the search string actually has changed

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Daniel Eklöf 2021-01-24 20:31:22 +01:00
parent 89b810261e
commit dd8a6fdd4d
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GPG key ID: 5BBD4992C116573F
1 changed files with 82 additions and 36 deletions
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118
search.c
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@ -574,8 +574,11 @@ from_clipboard_done(void *user)
static bool
execute_binding(struct seat *seat, struct terminal *term,
enum bind_action_search action, uint32_t serial)
enum bind_action_search action, uint32_t serial,
bool *update_search_result, bool *redraw)
{
*update_search_result = *redraw = false;
switch (action) {
case BIND_ACTION_SEARCH_NONE:
return false;
@ -611,7 +614,8 @@ execute_binding(struct seat *seat, struct terminal *term,
term->search.match.row = new_row;
}
}
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_FIND_NEXT:
if (term->search.match_len > 0) {
@ -627,41 +631,58 @@ execute_binding(struct seat *seat, struct terminal *term,
term->search.match.col = new_col;
term->search.match.row = new_row;
term->search.direction = SEARCH_FORWARD;
}
}
}
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_EDIT_LEFT:
if (term->search.cursor > 0)
if (term->search.cursor > 0) {
term->search.cursor--;
return false;
*redraw = true;
}
return true;
case BIND_ACTION_SEARCH_EDIT_LEFT_WORD: {
size_t diff = distance_prev_word(term);
term->search.cursor -= diff;
xassert(term->search.cursor <= term->search.len);
return false;
if (diff > 0)
*redraw = true;
return true;
}
case BIND_ACTION_SEARCH_EDIT_RIGHT:
if (term->search.cursor < term->search.len)
if (term->search.cursor < term->search.len) {
term->search.cursor++;
return false;
*redraw = true;
}
return true;
case BIND_ACTION_SEARCH_EDIT_RIGHT_WORD: {
size_t diff = distance_next_word(term);
term->search.cursor += diff;
xassert(term->search.cursor <= term->search.len);
return false;
if (diff > 0)
*redraw = true;
return true;
}
case BIND_ACTION_SEARCH_EDIT_HOME:
term->search.cursor = 0;
return false;
if (term->search.cursor != 0) {
term->search.cursor = 0;
*redraw = true;
}
return true;
case BIND_ACTION_SEARCH_EDIT_END:
term->search.cursor = term->search.len;
return false;
if (term->search.cursor != term->search.len) {
term->search.cursor = term->search.len;
*redraw = true;
}
return true;
case BIND_ACTION_SEARCH_DELETE_PREV:
if (term->search.cursor > 0) {
@ -671,21 +692,25 @@ execute_binding(struct seat *seat, struct terminal *term,
(term->search.len - term->search.cursor) * sizeof(wchar_t));
term->search.cursor--;
term->search.buf[--term->search.len] = L'\0';
*update_search_result = *redraw = true;
}
return false;
return true;
case BIND_ACTION_SEARCH_DELETE_PREV_WORD: {
size_t diff = distance_prev_word(term);
size_t old_cursor = term->search.cursor;
size_t new_cursor = old_cursor - diff;
memmove(&term->search.buf[new_cursor],
&term->search.buf[old_cursor],
(term->search.len - old_cursor) * sizeof(wchar_t));
if (diff > 0) {
memmove(&term->search.buf[new_cursor],
&term->search.buf[old_cursor],
(term->search.len - old_cursor) * sizeof(wchar_t));
term->search.len -= diff;
term->search.cursor = new_cursor;
return false;
term->search.len -= diff;
term->search.cursor = new_cursor;
*update_search_result = *redraw = true;
}
return true;
}
case BIND_ACTION_SEARCH_DELETE_NEXT:
@ -695,42 +720,50 @@ execute_binding(struct seat *seat, struct terminal *term,
&term->search.buf[term->search.cursor + 1],
(term->search.len - term->search.cursor - 1) * sizeof(wchar_t));
term->search.buf[--term->search.len] = L'\0';
*update_search_result = *redraw = true;
}
return false;
return true;
case BIND_ACTION_SEARCH_DELETE_NEXT_WORD: {
size_t diff = distance_next_word(term);
size_t cursor = term->search.cursor;
memmove(&term->search.buf[cursor],
&term->search.buf[cursor + diff],
(term->search.len - (cursor + diff)) * sizeof(wchar_t));
if (diff > 0) {
memmove(&term->search.buf[cursor],
&term->search.buf[cursor + diff],
(term->search.len - (cursor + diff)) * sizeof(wchar_t));
term->search.len -= diff;
return false;
term->search.len -= diff;
*update_search_result = *redraw = true;
}
return true;
}
case BIND_ACTION_SEARCH_EXTEND_WORD:
search_match_to_end_of_word(term, false);
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_EXTEND_WORD_WS:
search_match_to_end_of_word(term, true);
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_CLIPBOARD_PASTE:
text_from_clipboard(
seat, term, &from_clipboard_cb, &from_clipboard_done, term);
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_PRIMARY_PASTE:
text_from_primary(
seat, term, &from_clipboard_cb, &from_clipboard_done, term);
return false;
*update_search_result = *redraw = true;
return true;
case BIND_ACTION_SEARCH_COUNT:
xassert(false);
return false;
return true;
}
xassert(false);
@ -746,6 +779,9 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
enum xkb_compose_status compose_status = xkb_compose_state_get_status(
seat->kbd.xkb_compose_state);
bool update_search_result = false;
bool redraw = false;
/* Key bindings */
tll_foreach(seat->kbd.bindings.search, it) {
if (it->item.bind.mods != mods)
@ -753,16 +789,22 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
/* Match symbol */
if (it->item.bind.sym == sym) {
if (!execute_binding(seat, term, it->item.action, serial))
if (execute_binding(seat, term, it->item.action, serial,
&update_search_result, &redraw))
{
goto update_search;
}
return;
}
/* Match raw key code */
tll_foreach(it->item.bind.key_codes, code) {
if (code->item == key) {
if (!execute_binding(seat, term, it->item.action, serial))
if (execute_binding(seat, term, it->item.action, serial,
&update_search_result, &redraw))
{
goto update_search;
}
return;
}
}
@ -782,6 +824,8 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
seat->kbd.xkb_state, key, (char *)buf, sizeof(buf));
}
update_search_result = redraw = count > 0;
if (count == 0)
return;
@ -789,6 +833,8 @@ search_input(struct seat *seat, struct terminal *term, uint32_t key,
update_search:
LOG_DBG("search: buffer: %ls", term->search.buf);
search_find_next(term);
render_refresh_search(term);
if (update_search_result)
search_find_next(term);
if (redraw)
render_refresh_search(term);
}