diff options
Diffstat (limited to 'platform/windows/display_server_windows.cpp')
| -rw-r--r-- | platform/windows/display_server_windows.cpp | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/platform/windows/display_server_windows.cpp b/platform/windows/display_server_windows.cpp index dfbb734ee4..2581cc3af6 100644 --- a/platform/windows/display_server_windows.cpp +++ b/platform/windows/display_server_windows.cpp @@ -2792,6 +2792,24 @@ void DisplayServerWindows::_process_key_events() { case WM_CHAR: { // extended keys should only be processed as WM_KEYDOWN message. if (!KeyMappingWindows::is_extended_key(ke.wParam) && ((i == 0 && ke.uMsg == WM_CHAR) || (i > 0 && key_event_buffer[i - 1].uMsg == WM_CHAR))) { + static char32_t prev_wc = 0; + char32_t unicode = ke.wParam; + if ((unicode & 0xfffffc00) == 0xd800) { + if (prev_wc != 0) { + ERR_PRINT("invalid utf16 surrogate input"); + } + prev_wc = unicode; + break; // Skip surrogate. + } else if ((unicode & 0xfffffc00) == 0xdc00) { + if (prev_wc == 0) { + ERR_PRINT("invalid utf16 surrogate input"); + break; // Skip invalid surrogate. + } + unicode = (prev_wc << 10UL) + unicode - ((0xd800 << 10UL) + 0xdc00 - 0x10000); + prev_wc = 0; + } else { + prev_wc = 0; + } Ref<InputEventKey> k; k.instance(); @@ -2803,7 +2821,7 @@ void DisplayServerWindows::_process_key_events() { k->set_pressed(true); k->set_keycode(KeyMappingWindows::get_keysym(ke.wParam)); k->set_physical_keycode(KeyMappingWindows::get_scansym((ke.lParam >> 16) & 0xFF, ke.lParam & (1 << 24))); - k->set_unicode(ke.wParam); + k->set_unicode(unicode); if (k->get_unicode() && gr_mem) { k->set_alt(false); k->set_control(false); @@ -2840,7 +2858,25 @@ void DisplayServerWindows::_process_key_events() { k->set_physical_keycode(KeyMappingWindows::get_scansym((ke.lParam >> 16) & 0xFF, ke.lParam & (1 << 24))); if (i + 1 < key_event_pos && key_event_buffer[i + 1].uMsg == WM_CHAR) { - k->set_unicode(key_event_buffer[i + 1].wParam); + char32_t unicode = key_event_buffer[i + 1].wParam; + static char32_t prev_wck = 0; + if ((unicode & 0xfffffc00) == 0xd800) { + if (prev_wck != 0) { + ERR_PRINT("invalid utf16 surrogate input"); + } + prev_wck = unicode; + break; // Skip surrogate. + } else if ((unicode & 0xfffffc00) == 0xdc00) { + if (prev_wck == 0) { + ERR_PRINT("invalid utf16 surrogate input"); + break; // Skip invalid surrogate. + } + unicode = (prev_wck << 10UL) + unicode - ((0xd800 << 10UL) + 0xdc00 - 0x10000); + prev_wck = 0; + } else { + prev_wck = 0; + } + k->set_unicode(unicode); } if (k->get_unicode() && gr_mem) { k->set_alt(false); |