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Unicode characters outside the BMP (> 0xFFFF) are now correctly handled on Windows (#366)

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This commit is contained in:
Laurent Gomila 2013-05-16 23:38:28 +02:00
parent 11837e9fc8
commit 83ffe11709
2 changed files with 32 additions and 6 deletions
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37
src/SFML/Window/Win32/WindowImplWin32.cpp
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@ -73,7 +73,8 @@ m_icon (NULL),
m_keyRepeatEnabled(true),
m_isCursorIn (false),
m_lastSize (0, 0),
m_resizing (false)
m_resizing (false),
m_surrogate (0)
{
if (m_handle)
{
@ -93,7 +94,8 @@ m_icon (NULL),
m_keyRepeatEnabled(true),
m_isCursorIn (false),
m_lastSize (mode.width, mode.height),
m_resizing (false)
m_resizing (false),
m_surrogate (0)
{
// Register the window class at first call
if (windowCount == 0)
@ -510,10 +512,33 @@ void WindowImplWin32::processEvent(UINT message, WPARAM wParam, LPARAM lParam)
{
if (m_keyRepeatEnabled || ((lParam & (1 << 30)) == 0))
{
Event event;
event.type = Event::TextEntered;
event.text.unicode = static_cast<Uint32>(wParam);
pushEvent(event);
// Get the code of the typed character
Uint32 character = static_cast<Uint32>(wParam);
// Check if it is the first part of a surrogate pair, or a regular character
if ((character >= 0xD800) && (character <= 0xDBFF))
{
// First part of a surrogate pair: store it and wait for the second one
m_surrogate = static_cast<Uint16>(character);
}
else
{
// Check if it is the second part of a surrogate pair, or a regular character
if ((character >= 0xDC00) && (character <= 0xDFFF))
{
// Convert the UTF-16 surrogate pair to a single UTF-32 value
Uint16 utf16[] = {m_surrogate, static_cast<Uint16>(character)};
sf::Utf16::toUtf32(utf16, utf16 + 2, &character);
m_surrogate = 0;
}
// Send a TextEntered event
Event event;
event.type = Event::TextEntered;
event.text.unicode = character;
pushEvent(event);
}
}
break;
}

1
src/SFML/Window/Win32/WindowImplWin32.hpp
View File

@ -238,6 +238,7 @@ private :
bool m_isCursorIn; ///< Is the mouse cursor in the window's area ?
Vector2u m_lastSize; ///< The last handled size of the window
bool m_resizing; ///< Is the window being resized ?
Uint16 m_surrogate; ///< First half of the surrogate pair, in case we're receiving a Unicode character in two events
};
} // namespace priv