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-rw-r--r--unix/tkUnixEvent.c55
1 files changed, 54 insertions, 1 deletions
diff --git a/unix/tkUnixEvent.c b/unix/tkUnixEvent.c
index 4d0ccfa..f3beb16 100644
--- a/unix/tkUnixEvent.c
+++ b/unix/tkUnixEvent.c
@@ -12,6 +12,11 @@
#include "tkUnixInt.h"
#include <signal.h>
+#ifdef HAVE_XKBKEYCODETOKEYSYM
+# include <X11/XKBlib.h>
+#else
+# define XkbOpenDisplay(D,V,E,M,m,R) ((V),(E),(M),(m),(R),(NULL))
+#endif
/*
* The following static indicates whether this module has been initialized in
@@ -116,7 +121,54 @@ TkpOpenDisplay(
const char *displayNameStr)
{
TkDisplay *dispPtr;
- Display *display = XOpenDisplay(displayNameStr);
+ Display *display;
+ int event = 0;
+ int error = 0;
+ int major = 1;
+ int minor = 0;
+ int reason = 0;
+ unsigned int use_xkb = 0;
+ /* Disabled, until we have a better test. See [Bug 3613668] */
+#if 0 && defined(XKEYCODETOKEYSYM_IS_DEPRECATED) && defined(TCL_THREADS)
+ static int xinited = 0;
+ static Tcl_Mutex xinitMutex = NULL;
+
+ if (!xinited) {
+ Tcl_MutexLock(&xinitMutex);
+ if (!xinited) {
+ /* Necessary for threaded apps, of no consequence otherwise */
+ /* need only be called once, but must be called before *any* */
+ /* Xlib call is made. If xinitMutex is still NULL after the */
+ /* Tcl_MutexLock call, Tcl was compiled without threads so */
+ /* we cannot use XInitThreads() either. */
+ if (xinitMutex != NULL){
+ XInitThreads();
+ }
+ xinited = 1;
+ }
+ Tcl_MutexUnlock(&xinitMutex);
+ }
+#endif
+
+ /*
+ ** Bug [3607830]: Before using Xkb, it must be initialized and confirmed
+ ** that the serve supports it. The XkbOpenDisplay call
+ ** will perform this check and return NULL if the extension
+ ** is not supported.
+ **
+ ** Work around un-const-ified Xkb headers using (char *) cast.
+ */
+ display = XkbOpenDisplay((char *)displayNameStr, &event, &error, &major,
+ &minor, &reason);
+
+ if (display == NULL) {
+ /*fprintf(stderr,"event=%d error=%d major=%d minor=%d reason=%d\nDisabling xkb\n",
+ event, error, major, minor, reason);*/
+ display = XOpenDisplay(displayNameStr);
+ } else {
+ use_xkb = TK_DISPLAY_USE_XKB;
+ /*fprintf(stderr, "Using xkb %d.%d\n", major, minor);*/
+ }
if (display == NULL) {
return NULL;
@@ -124,6 +176,7 @@ TkpOpenDisplay(
dispPtr = ckalloc(sizeof(TkDisplay));
memset(dispPtr, 0, sizeof(TkDisplay));
dispPtr->display = display;
+ dispPtr->flags |= use_xkb;
#ifdef TK_USE_INPUT_METHODS
OpenIM(dispPtr);
#endif