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Fix XBufferOverflow handling for XIM input

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This commit is contained in:
Camilla Berglund 2015-10-09 13:37:44 +02:00
parent 87ad8c0561
commit 0d759c8c1a
2 changed files with 46 additions and 16 deletions
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1
README.md
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@ -100,6 +100,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
- [X11] Bugfix: `glfwWaitEvents` could return when no events were available
- [X11] Bugfix: `XkbGetKeyboard` fails on XWayland
- [X11] Bugfix: Character input did not work correctly for non-UTF-8 locales
- [X11] Bugfix: Long input sequences generated by IMEs were discarded
- [WGL] Made all WGL functions dynamically loaded
- [WGL] Removed `GLFW_USE_DWM_SWAP_INTERVAL` compile-time option
- [WGL] Bugfix: Swap interval was ignored when DWM was enabled

47
src/x11_window.c
View File

@ -921,31 +921,60 @@ static void processEvent(XEvent *event)
if (!filtered)
{
int count;
Status status;
#if defined(X_HAVE_UTF8_STRING)
Status status;
char buffer[96];
const char* c = buffer;
char* chars = buffer;
const int count = Xutf8LookupString(window->x11.ic,
count = Xutf8LookupString(window->x11.ic,
&event->xkey,
buffer, sizeof(buffer),
NULL, &status);
while (c - buffer < count)
if (status == XBufferOverflow)
{
chars = calloc(count, 1);
count = Xutf8LookupString(window->x11.ic,
&event->xkey,
chars, count,
NULL, &status);
}
if (status == XLookupChars || status == XLookupBoth)
{
const char* c = chars;
while (c - chars < count)
_glfwInputChar(window, decodeUTF8(&c), mods, plain);
}
#else
int i;
Status status;
wchar_t buffer[16];
wchar_t* chars = buffer;
const int count = XwcLookupString(window->x11.ic,
count = XwcLookupString(window->x11.ic,
&event->xkey,
buffer, sizeof(buffer),
buffer, sizeof(buffer) / sizeof(wchar_t),
NULL, &status);
if (status == XBufferOverflow)
{
chars = calloc(count, sizeof(wchar_t));
count = XwcLookupString(window->x11.ic,
&event->xkey,
chars, count,
NULL, &status);
}
if (status == XLookupChars || status == XLookupBoth)
{
int i;
for (i = 0; i < count; i++)
_glfwInputChar(window, buffer[i], mods, plain);
_glfwInputChar(window, chars[i], mods, plain);
}
#endif
if (chars != buffer)
free(chars);
}
}
else