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45

browser: Make sure H[1-5] elements have two newlines before them

Keep track of the last two printed characters so we don't end up
printing more than two newlines

jcs made amendment 45 10 months ago
--- browser.c Wed Aug 30 15:44:45 2023 +++ browser.c Wed Aug 30 17:47:55 2023 @@ -836,8 +836,11 @@ browser_print(struct browser *browser, const char *str link->pos = was_len; TESetSelect(SHRT_MAX, SHRT_MAX, browser->te); - if ((last_style & STYLE_ITALIC) && !(style & STYLE_ITALIC)) + if ((last_style & STYLE_ITALIC) && !(style & STYLE_ITALIC)) { TEStylInsert(" ", 1, scrp_rec_h, browser->te); + browser->last_printed[0] = browser->last_printed[1]; + browser->last_printed[1] = ' '; + } if (style & (STYLE_H1 | STYLE_H2 | STYLE_H3 | STYLE_H4 | STYLE_H5)) { while (len && (str[0] == ' ' || str[0] == '\r')) { @@ -847,14 +850,37 @@ browser_print(struct browser *browser, const char *str while (len && (str[len - 1] == ' ' || str[len - 1] == '\r')) { len--; } + + if (browser->last_printed[1] != '\0') { + if (browser->last_printed[1] == '\r') { + if (browser->last_printed[0] != '\r') + TEStylInsert("\r", 1, scrp_rec_h, browser->te); + } else + TEStylInsert("\r\r", 2, scrp_rec_h, browser->te); + } + + browser->last_printed[0] = browser->last_printed[1] = '\r'; } TEStylInsert(str, len, scrp_rec_h, browser->te); - if (style & (STYLE_H1 | STYLE_H2)) + if (len == 1) { + browser->last_printed[0] = browser->last_printed[1]; + browser->last_printed[1] = str[0]; + } else { + browser->last_printed[0] = str[len - 2]; + browser->last_printed[1] = str[len - 1]; + } + + if (style & (STYLE_H1 | STYLE_H2)) { browser_draw_line(browser); - else if (style & (STYLE_H3 | STYLE_H4 | STYLE_H5)) + browser->last_printed[0] = '-'; + browser->last_printed[1] = '\r'; + } else if (style & (STYLE_H3 | STYLE_H4 | STYLE_H5)) { TEStylInsert("\r", 1, scrp_rec_h, browser->te); + browser->last_printed[0] = browser->last_printed[1]; + browser->last_printed[1] = '\r'; + } if (was_len == 0) { SetCtlValue(browser->te_scroller, GetCtlMin(browser->te_scroller)); @@ -890,6 +916,7 @@ browser_clear(struct browser *browser) HLock(browser->te); TESetText("", 0, browser->te); + browser->last_printed[0] = browser->last_printed[1] = '\0'; InvalRect(&(*(browser->te))->viewRect); HUnlock(browser->te); --- browser.h Tue Aug 29 09:55:47 2023 +++ browser.h Wed Aug 30 17:27:24 2023 @@ -58,6 +58,7 @@ struct browser { size_t links_count; size_t links_size; struct browser_link *links; + char last_printed[2]; }; struct browser *browser_init(void);