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@ -262,67 +262,71 @@ millis_t MarlinUI::next_button_update_ms; // = 0
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#endif
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void _wrap_string(uint8_t &col, uint8_t &row, const char * const string, read_byte_cb_t cb_read_byte, bool wordwrap/*=false*/) {
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SETCURSOR(col, row);
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if (!string) return;
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#if !HAS_GRAPHICAL_TFT
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auto _newline = [&col, &row]{
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col = 0; row++; // Move col to string len (plus space)
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SETCURSOR(0, row); // Simulate carriage return
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};
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void _wrap_string(uint8_t &col, uint8_t &row, const char * const string, read_byte_cb_t cb_read_byte, bool wordwrap/*=false*/) {
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SETCURSOR(col, row);
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if (!string) return;
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uint8_t *p = (uint8_t*)string;
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wchar_t ch;
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if (wordwrap) {
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uint8_t *wrd = nullptr, c = 0;
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// find the end of the part
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for (;;) {
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if (!wrd) wrd = p; // Get word start /before/ advancing
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p = get_utf8_value_cb(p, cb_read_byte, &ch);
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const bool eol = !ch; // zero ends the string
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// End or a break between phrases?
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if (eol || ch == ' ' || ch == '-' || ch == '+' || ch == '.') {
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if (!c && ch == ' ') { if (wrd) wrd++; continue; } // collapse extra spaces
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// Past the right and the word is not too long?
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if (col + c > LCD_WIDTH && col >= (LCD_WIDTH) / 4) _newline(); // should it wrap?
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c += !eol; // +1 so the space will be printed
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col += c; // advance col to new position
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while (c) { // character countdown
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--c; // count down to zero
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wrd = get_utf8_value_cb(wrd, cb_read_byte, &ch); // get characters again
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lcd_put_wchar(ch); // character to the LCD
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auto _newline = [&col, &row]{
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col = 0; row++; // Move col to string len (plus space)
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SETCURSOR(0, row); // Simulate carriage return
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};
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uint8_t *p = (uint8_t*)string;
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wchar_t ch;
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if (wordwrap) {
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uint8_t *wrd = nullptr, c = 0;
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// find the end of the part
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for (;;) {
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if (!wrd) wrd = p; // Get word start /before/ advancing
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p = get_utf8_value_cb(p, cb_read_byte, &ch);
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const bool eol = !ch; // zero ends the string
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// End or a break between phrases?
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if (eol || ch == ' ' || ch == '-' || ch == '+' || ch == '.') {
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if (!c && ch == ' ') { if (wrd) wrd++; continue; } // collapse extra spaces
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// Past the right and the word is not too long?
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if (col + c > LCD_WIDTH && col >= (LCD_WIDTH) / 4) _newline(); // should it wrap?
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c += !eol; // +1 so the space will be printed
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col += c; // advance col to new position
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while (c) { // character countdown
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--c; // count down to zero
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wrd = get_utf8_value_cb(wrd, cb_read_byte, &ch); // get characters again
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lcd_put_wchar(ch); // character to the LCD
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}
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if (eol) break; // all done!
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wrd = nullptr; // set up for next word
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}
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if (eol) break; // all done!
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wrd = nullptr; // set up for next word
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else c++; // count word characters
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}
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}
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else {
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for (;;) {
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p = get_utf8_value_cb(p, cb_read_byte, &ch);
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if (!ch) break;
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lcd_put_wchar(ch);
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col++;
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if (col >= LCD_WIDTH) _newline();
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}
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else c++; // count word characters
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}
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}
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else {
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for (;;) {
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p = get_utf8_value_cb(p, cb_read_byte, &ch);
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if (!ch) break;
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lcd_put_wchar(ch);
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col++;
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if (col >= LCD_WIDTH) _newline();
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}
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}
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}
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void MarlinUI::draw_select_screen_prompt(PGM_P const pref, const char * const string/*=nullptr*/, PGM_P const suff/*=nullptr*/) {
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const uint8_t plen = utf8_strlen_P(pref), slen = suff ? utf8_strlen_P(suff) : 0;
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uint8_t col = 0, row = 0;
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if (!string && plen + slen <= LCD_WIDTH) {
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col = (LCD_WIDTH - plen - slen) / 2;
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row = LCD_HEIGHT > 3 ? 1 : 0;
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void MarlinUI::draw_select_screen_prompt(PGM_P const pref, const char * const string/*=nullptr*/, PGM_P const suff/*=nullptr*/) {
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const uint8_t plen = utf8_strlen_P(pref), slen = suff ? utf8_strlen_P(suff) : 0;
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uint8_t col = 0, row = 0;
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if (!string && plen + slen <= LCD_WIDTH) {
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col = (LCD_WIDTH - plen - slen) / 2;
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row = LCD_HEIGHT > 3 ? 1 : 0;
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}
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wrap_string_P(col, row, pref, true);
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if (string) {
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if (col) { col = 0; row++; } // Move to the start of the next line
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wrap_string(col, row, string);
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}
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if (suff) wrap_string_P(col, row, suff);
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}
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wrap_string_P(col, row, pref, true);
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if (string) {
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if (col) { col = 0; row++; } // Move to the start of the next line
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wrap_string(col, row, string);
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}
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if (suff) wrap_string_P(col, row, suff);
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}
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#endif // !HAS_GRAPHICAL_TFT
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#endif // HAS_LCD_MENU
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Victor Oliveira
4 years ago
committed by
GitHub