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X11: Remove non-UTF-8 fallback paths
It seems it has not been possible to compile GLFW on systems without the
UTF-8 extensions to Xlib since a0a5cc57df
was merged five months ago. The UTF-8 extension functions were
introduced with XFree86 4.0.2 in December 2000 and are likely widely
available at this point.
This removes the locale-dependent fallback paths and uses the UTF-8
extension functions where available.
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parent
9a3664b4a9
commit
4ae93e0547
@ -1297,6 +1297,9 @@ int _glfwPlatformInit(void)
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_glfw.x11.xlib.utf8SetWMProperties = (PFN_Xutf8SetWMProperties)
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_glfw_dlsym(_glfw.x11.xlib.handle, "Xutf8SetWMProperties");
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if (_glfw.x11.xlib.utf8LookupString && _glfw.x11.xlib.utf8SetWMProperties)
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_glfw.x11.xlib.utf8 = GLFW_TRUE;
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XInitThreads();
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XrmInitialize();
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@ -1330,7 +1333,7 @@ int _glfwPlatformInit(void)
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_glfw.x11.helperWindowHandle = createHelperWindow();
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_glfw.x11.hiddenCursorHandle = createHiddenCursor();
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if (XSupportsLocale())
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if (XSupportsLocale() && _glfw.x11.xlib.utf8)
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{
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XSetLocaleModifiers("");
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@ -501,6 +501,7 @@ typedef struct _GLFWlibraryX11
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struct {
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void* handle;
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GLFWbool utf8;
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PFN_XAllocClassHint AllocClassHint;
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PFN_XAllocSizeHints AllocSizeHints;
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PFN_XAllocWMHints AllocWMHints;
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@ -463,7 +463,6 @@ static size_t encodeUTF8(char* s, unsigned int ch)
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// Decode a Unicode code point from a UTF-8 stream
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// Based on cutef8 by Jeff Bezanson (Public Domain)
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//
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#if defined(X_HAVE_UTF8_STRING)
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static unsigned int decodeUTF8(const char** s)
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{
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unsigned int ch = 0, count = 0;
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@ -483,7 +482,6 @@ static unsigned int decodeUTF8(const char** s)
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assert(count <= 6);
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return ch - offsets[count - 1];
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}
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#endif /*X_HAVE_UTF8_STRING*/
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// Convert the specified Latin-1 string to UTF-8
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//
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@ -1285,7 +1283,6 @@ static void processEvent(XEvent *event)
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{
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int count;
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Status status;
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#if defined(X_HAVE_UTF8_STRING)
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char buffer[100];
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char* chars = buffer;
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@ -1310,33 +1307,6 @@ static void processEvent(XEvent *event)
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while (c - chars < count)
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_glfwInputChar(window, decodeUTF8(&c), mods, plain);
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}
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#else /*X_HAVE_UTF8_STRING*/
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wchar_t buffer[16];
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wchar_t* chars = buffer;
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count = XwcLookupString(window->x11.ic,
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&event->xkey,
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buffer,
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sizeof(buffer) / sizeof(wchar_t),
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NULL,
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&status);
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if (status == XBufferOverflow)
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{
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chars = calloc(count, sizeof(wchar_t));
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count = XwcLookupString(window->x11.ic,
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&event->xkey,
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chars, count,
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NULL, &status);
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}
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if (status == XLookupChars || status == XLookupBoth)
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{
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int i;
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for (i = 0; i < count; i++)
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_glfwInputChar(window, chars[i], mods, plain);
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}
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#endif /*X_HAVE_UTF8_STRING*/
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if (chars != buffer)
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free(chars);
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@ -2106,21 +2076,14 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
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void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
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{
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#if defined(X_HAVE_UTF8_STRING)
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Xutf8SetWMProperties(_glfw.x11.display,
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window->x11.handle,
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title, title,
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NULL, 0,
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NULL, NULL, NULL);
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#else
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// This may be a slightly better fallback than using XStoreName and
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// XSetIconName, which always store their arguments using STRING
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XmbSetWMProperties(_glfw.x11.display,
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window->x11.handle,
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title, title,
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NULL, 0,
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NULL, NULL, NULL);
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#endif
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if (_glfw.x11.xlib.utf8)
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{
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Xutf8SetWMProperties(_glfw.x11.display,
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window->x11.handle,
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title, title,
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NULL, 0,
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NULL, NULL, NULL);
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}
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XChangeProperty(_glfw.x11.display, window->x11.handle,
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_glfw.x11.NET_WM_NAME, _glfw.x11.UTF8_STRING, 8,
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