diff options
Diffstat (limited to 'find.c')
| -rw-r--r-- | find.c | 82 |
1 files changed, 79 insertions, 3 deletions
@@ -1,3 +1,14 @@ +static void find_open(Ted *ted) { + ted->prev_active_buffer = ted->active_buffer; + ted->active_buffer = &ted->find_buffer; + ted->find = true; +} + +static void find_close(Ted *ted) { + ted->find = false; + ted->active_buffer = ted->prev_active_buffer; +} + static float find_menu_height(Ted *ted) { Font *font = ted->font, *font_bold = ted->font_bold; float char_height = text_font_char_height(font), @@ -5,7 +16,7 @@ static float find_menu_height(Ted *ted) { Settings const *settings = &ted->settings; float padding = settings->padding; - return char_height_bold + char_height + 4 * padding; + return char_height_bold + char_height + 2 * padding; } static void find_menu_frame(Ted *ted) { @@ -19,10 +30,75 @@ static void find_menu_frame(Ted *ted) { float const window_width = ted->window_width, window_height = ted->window_height; u32 const *colors = settings->colors; - Rect menu_bounds = rect(V2(padding, window_height - menu_height), V2(window_width - 2*padding, menu_height - padding)); + float x1 = padding, y1 = window_height - menu_height, x2 = window_width - padding, y2 = window_height - padding; + Rect menu_bounds = rect4(x1, y1, x2, y2); gl_geometry_rect_border(menu_bounds, 1, colors[COLOR_BORDER]); gl_geometry_draw(); - (void)char_height; (void)char_height_bold; + + text_utf8(font_bold, "Find...", x1 + padding, y1, colors[COLOR_TEXT]); + text_render(font_bold); + + y1 += char_height_bold; + + buffer_render(&ted->find_buffer, rect4(x1 + padding, y1, x2 - padding, y1 + char_height)); +} + +#define FIND_MAX_GROUPS 100 + +// go to next find result +static void find_next(Ted *ted) { + TextBuffer *buffer = ted->prev_active_buffer; + if (buffer) { + // create match data + pcre2_match_data *match_data = pcre2_match_data_create(FIND_MAX_GROUPS, NULL); + if (match_data) { + String32 term = buffer_get_line(&ted->find_buffer, 0); + int error = 0; + size_t error_pos = 0; + // compile the search term + pcre2_code *code = pcre2_compile(term.str, term.len, PCRE2_LITERAL, &error, &error_pos, NULL); + if (code) { + // do the searching + BufferPos pos = buffer->cursor_pos; + size_t nsearches = 0; + u32 nlines = buffer->nlines; + + // we need to search the starting line twice, because we might start at a non-zero index + while (nsearches < nlines + 1) { + Line *line = &buffer->lines[pos.line]; + char32_t *str = line->str; + size_t len = line->len; + int ret = pcre2_match(code, str, len, pos.index, 0, match_data, NULL); + if (ret > 0) { + PCRE2_SIZE *groups = pcre2_get_ovector_pointer(match_data); + u32 match_start = (u32)groups[0]; + u32 match_end = (u32)groups[1]; + BufferPos pos_start = {.line = pos.line, .index = match_start}; + BufferPos pos_end = {.line = pos.line, .index = match_end}; + buffer_cursor_move_to_pos(buffer, pos_start); + buffer_select_to_pos(buffer, pos_end); + break; + } + + ++nsearches; + pos.index = 0; + pos.line += 1; + pos.line %= nlines; + } + } else { + char32_t buf[256] = {0}; + size_t len = (size_t)pcre2_get_error_message(error, buf, sizeof buf - 1); + char *error_cstr = str32_to_utf8_cstr(str32(buf, len)); + if (error_cstr) { + ted_seterr(ted, "Invalid search term: (at position %zu) %s.", (size_t)error_pos, error_cstr); + free(error_cstr); + } + } + pcre2_match_data_free(match_data); + } else { + ted_seterr(ted, "Out of memory."); + } + } } |