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Bugfixes in Freetext Module.

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- work without fixed messages defined
- honour cursor position on backspace
- don't send an empty string
- compiler warnings in font engine fixed
This commit is contained in:
Thomas Göttgens
2022-09-21 10:42:10 +02:00
parent b73e240f4d
commit 011db443ba
2 changed files with 48 additions and 27 deletions
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44
src/graphics/Screen.h
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@@ -213,27 +213,29 @@ class Screen : public concurrency::OSThread
LASTCHAR = ch;
switch (last) { // conversion depending on first UTF8-character
case 0xC2: {
SKIPREST = false;
return (uint8_t)ch;
}
case 0xC3: {
SKIPREST = false;
return (uint8_t)(ch | 0xC0);
}
// map UTF-8 cyrillic chars to it Windows-1251 (CP-1251) ASCII codes
// note: in this case we must use compatible font - provided ArialMT_Plain_10/16/24 by 'ThingPulse/esp8266-oled-ssd1306' library
// have empty chars for non-latin ASCII symbols
case 0xD0: {
SKIPREST = false;
if (ch == 129) return (uint8_t)(168); // Ё
if (ch > 143 && ch < 192) return (uint8_t)(ch + 48);
}
case 0xD1: {
SKIPREST = false;
if (ch == 145) return (uint8_t)(184); // ё
if (ch > 127 && ch < 144) return (uint8_t)(ch + 112);
}
case 0xC2: {
SKIPREST = false;
return (uint8_t)ch;
}
case 0xC3: {
SKIPREST = false;
return (uint8_t)(ch | 0xC0);
}
// map UTF-8 cyrillic chars to it Windows-1251 (CP-1251) ASCII codes
// note: in this case we must use compatible font - provided ArialMT_Plain_10/16/24 by 'ThingPulse/esp8266-oled-ssd1306' library
// have empty chars for non-latin ASCII symbols
case 0xD0: {
SKIPREST = false;
if (ch == 129) return (uint8_t)(168); // Ё
if (ch > 143 && ch < 192) return (uint8_t)(ch + 48);
break;
}
case 0xD1: {
SKIPREST = false;
if (ch == 145) return (uint8_t)(184); // ё
if (ch > 127 && ch < 144) return (uint8_t)(ch + 112);
break;
}
}
// We want to strip out prefix chars for two-byte char formats