Firmware2/Marlin/src/lcd/lcdprint.cpp
2021-07-17 02:41:31 -05:00

101 lines
2.9 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* lcdprint.cpp
*/
#include "../inc/MarlinConfigPre.h"
#if HAS_WIRED_LCD && !HAS_GRAPHICAL_TFT
#include "marlinui.h"
#include "lcdprint.h"
/**
* lcd_put_u8str_ind_P
*
* Print a string with an index substituted within it:
*
* = displays '0'....'10' for indexes 0 - 10
* ~ displays '1'....'11' for indexes 0 - 10
* * displays 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
*/
lcd_uint_t lcd_put_u8str_ind_P(PGM_P const pstr, const int8_t ind, PGM_P const inStr/*=nullptr*/, const lcd_uint_t maxlen/*=LCD_WIDTH*/) {
const uint8_t prop = USE_WIDE_GLYPH ? 2 : 1;
uint8_t *p = (uint8_t*)pstr;
int8_t n = maxlen;
while (n > 0) {
wchar_t ch;
p = get_utf8_value_cb(p, read_byte_rom, &ch);
if (!ch) break;
if (ch == '=' || ch == '~' || ch == '*') {
if (ind >= 0) {
if (ch == '*') { lcd_put_wchar('E'); n--; }
if (n) {
int8_t inum = ind + ((ch == '=') ? 0 : LCD_FIRST_TOOL);
if (inum >= 10) {
lcd_put_wchar('0' + (inum / 10)); n--;
inum %= 10;
}
if (n) { lcd_put_wchar('0' + inum); n--; }
}
}
else {
PGM_P const b = ind == -2 ? GET_TEXT(MSG_CHAMBER) : GET_TEXT(MSG_BED);
n -= lcd_put_u8str_max_P(b, n * (MENU_FONT_WIDTH)) / (MENU_FONT_WIDTH);
}
if (n) {
n -= lcd_put_u8str_max_P((PGM_P)p, n * (MENU_FONT_WIDTH)) / (MENU_FONT_WIDTH);
break;
}
}
else if (ch == '$' && inStr) {
n -= lcd_put_u8str_max_P(inStr, n * (MENU_FONT_WIDTH)) / (MENU_FONT_WIDTH);
}
else {
lcd_put_wchar(ch);
n -= ch > 255 ? prop : 1;
}
}
return n;
}
// Calculate UTF8 width with a simple check
int calculateWidth(PGM_P const pstr) {
if (!USE_WIDE_GLYPH) return utf8_strlen_P(pstr) * MENU_FONT_WIDTH;
const uint8_t prop = 2;
uint8_t *p = (uint8_t*)pstr;
int n = 0;
do {
wchar_t ch;
p = get_utf8_value_cb(p, read_byte_rom, &ch);
if (!ch) break;
n += (ch > 255) ? prop : 1;
} while (1);
return n * MENU_FONT_WIDTH;
}
#endif // HAS_WIRED_LCD