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Fix for mingw compilers (including wx64devkit) - fixes #1423 fixes #1529 #1462

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merged 1 commit into from
May 20, 2023
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Fix for mingw compilers (including wx64devkit) - fixes #1423 fixes #1529 #1462

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32 changes: 32 additions & 0 deletions examples/common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -586,6 +586,37 @@ void console_set_color(console_state & con_st, console_color_t color) {
}

char32_t getchar32() {
#if defined(_WIN32)
HANDLE hConsole = GetStdHandle(STD_INPUT_HANDLE);
wchar_t high_surrogate = 0;

while (true) {
INPUT_RECORD record;
DWORD count;
if (!ReadConsoleInputW(hConsole, &record, 1, &count) || count == 0) {
return WEOF;
}

if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) {
wchar_t wc = record.Event.KeyEvent.uChar.UnicodeChar;
if (wc == 0) {
continue;
}

if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
high_surrogate = wc;
continue;
} else if ((wc >= 0xDC00) && (wc <= 0xDFFF)) { // Check if wc is a low surrogate
if (high_surrogate != 0) { // Check if we have a high surrogate
return ((high_surrogate - 0xD800) << 10) + (wc - 0xDC00) + 0x10000;
}
}

high_surrogate = 0; // Reset the high surrogate
return static_cast<char32_t>(wc);
}
}
#else
wchar_t wc = getwchar();
if (static_cast<wint_t>(wc) == WEOF) {
return WEOF;
Expand All @@ -604,6 +635,7 @@ char32_t getchar32() {
#endif

return static_cast<char32_t>(wc);
#endif
}

void pop_cursor(console_state & con_st) {
Expand Down