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-rw-r--r--find.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/find.c b/find.c
index 0d7b2c4..ee7793f 100644
--- a/find.c
+++ b/find.c
@@ -35,13 +35,10 @@ static void find_menu_frame(Ted *ted) {
float const menu_height = find_menu_height(ted);
float const window_width = ted->window_width, window_height = ted->window_height;
u32 const *colors = settings->colors;
-
- bool invalid_search_term = false;
+
TextBuffer *buffer = ted->prev_active_buffer, *find_buffer = &ted->find_buffer;
assert(buffer);
-
-
String32 term = buffer_get_line(find_buffer, 0);
if (term.len) {
pcre2_match_data *match_data = pcre2_match_data_create(FIND_MAX_GROUPS, NULL);
@@ -53,6 +50,9 @@ static void find_menu_frame(Ted *ted) {
if (code) {
if (find_buffer->modified) { // if search term has been changed,
// recompute match count
+ BufferPos best_scroll_candidate = {U32_MAX, U32_MAX}; // pos we will scroll to (scroll to first match)
+ BufferPos cursor_pos = buffer->cursor_pos;
+
u32 match_count = 0;
for (u32 line_idx = 0, end = buffer->nlines; line_idx < end; ++line_idx) {
Line *line = &buffer->lines[line_idx];
@@ -62,6 +62,13 @@ static void find_menu_frame(Ted *ted) {
while (start_index < len) {
int ret = pcre2_match(code, str, len, start_index, 0, match_data, NULL);
if (ret > 0) {
+ // a match!
+
+ BufferPos match_start_pos = {.line = line_idx, .index = (u32)groups[0]};
+ if (best_scroll_candidate.line == U32_MAX
+ || (buffer_pos_cmp(best_scroll_candidate, cursor_pos) < 0 && buffer_pos_cmp(match_start_pos, cursor_pos) >= 0))
+ best_scroll_candidate = match_start_pos;
+
u32 match_end = (u32)groups[1];
++match_count;
start_index = match_end;
@@ -70,6 +77,8 @@ static void find_menu_frame(Ted *ted) {
}
ted->find_match_count = match_count;
find_buffer->modified = false;
+ if (best_scroll_candidate.line != U32_MAX)
+ buffer_scroll_to_pos(buffer, best_scroll_candidate);
}
// highlight matches
@@ -95,13 +104,16 @@ static void find_menu_frame(Ted *ted) {
}
}
pcre2_code_free(code);
+ ted->find_invalid_pattern = false;
} else {
- invalid_search_term = true;
+ ted->find_invalid_pattern = true;
}
pcre2_match_data_free(match_data);
}
- } else {
+ } else if (find_buffer->modified) {
ted->find_match_count = 0;
+ ted->find_invalid_pattern = false;
+ buffer_scroll_to_cursor(buffer);
}
@@ -126,14 +138,16 @@ static void find_menu_frame(Ted *ted) {
y1 += char_height_bold;
- if (invalid_search_term) {
- gl_geometry_rect(find_buffer_bounds, colors[COLOR_ERROR_BG] & 0xFFFFFF7F);
- }
-
gl_geometry_draw();
text_render(font_bold);
buffer_render(&ted->find_buffer, find_buffer_bounds);
+
+ if (ted->find_invalid_pattern)
+ gl_geometry_rect(find_buffer_bounds, colors[COLOR_NO] & 0xFFFFFF3F); // invalid regex
+ else if (term.len && ted->find_match_count == 0)
+ gl_geometry_rect(find_buffer_bounds, colors[COLOR_CANCEL] & 0xFFFFFF3F); // no matches
+ gl_geometry_draw();
}