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Call setlocale + XSetModifiers before XOpenIM, Work around ibus+xim duplicate events.

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This commit is contained in:
Alex Baines 2015-09-30 04:16:09 +01:00
parent 64180d2261
commit 7543092add
3 changed files with 39 additions and 3 deletions
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5
src/video/x11/SDL_x11events.c
View File

@ -565,15 +565,12 @@ X11_DispatchEvent(_THIS)
#endif
if (orig_keycode) {
/* Make sure dead key press/release events are sent */
/* Actually, don't do this because it causes double-delivery
of some keys on Ubuntu 14.04 (bug 2526)
SDL_Scancode scancode = videodata->key_layout[orig_keycode];
if (orig_event_type == KeyPress) {
SDL_SendKeyboardKey(SDL_PRESSED, scancode);
} else {
SDL_SendKeyboardKey(SDL_RELEASED, scancode);
}
*/
}
return;
}
@ -781,6 +778,8 @@ X11_DispatchEvent(_THIS)
if (data->ic) {
X11_Xutf8LookupString(data->ic, &xevent.xkey, text, sizeof(text),
&keysym, &status);
} else {
X11_XLookupString(&xevent.xkey, text, sizeof(text), &keysym, NULL);
}
#else
X11_XLookupString(&xevent.xkey, text, sizeof(text), &keysym, NULL);

1
src/video/x11/SDL_x11sym.h
View File

@ -196,6 +196,7 @@ SDL_X11_SYM(XIM,XOpenIM,(Display* a,struct _XrmHashBucketRec* b,char* c,char* d)
SDL_X11_SYM(Status,XCloseIM,(XIM a),(a),return)
SDL_X11_SYM(void,Xutf8DrawString,(Display *a, Drawable b, XFontSet c, GC d, int e, int f, _Xconst char *g, int h),(a,b,c,d,e,f,g,h),)
SDL_X11_SYM(int,Xutf8TextExtents,(XFontSet a, _Xconst char* b, int c, XRectangle* d, XRectangle* e),(a,b,c,d,e),return)
SDL_X11_SYM(char*,XSetLocaleModifiers,(const char *a),(a),return)
#endif
#ifndef NO_SHARED_MEMORY

36
src/video/x11/SDL_x11video.c
View File

@ -39,6 +39,10 @@
#include "SDL_x11opengles.h"
#endif
#ifdef X_HAVE_UTF8_STRING
#include <locale.h>
#endif
/* Initialization/Query functions */
static int X11_VideoInit(_THIS);
static void X11_VideoQuit(_THIS);
@ -387,8 +391,40 @@ X11_VideoInit(_THIS)
/* Open a connection to the X input manager */
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
/* Set the locale, and call XSetLocaleModifiers before XOpenIM so that
Compose keys will work correctly. */
char *prev_locale = setlocale(LC_ALL, NULL);
char *prev_xmods = X11_XSetLocaleModifiers(NULL);
if (prev_xmods) {
prev_xmods = SDL_strdup(prev_xmods);
}
/* IBus resends some key events that were filtered by XFilterEvents
when it is used via XIM which causes issues. Prevent this by forcing
@im=none if XMODIFIERS contains @im=ibus. IBus can still be used via
the DBus implementation, which also has support for pre-editing. */
const char *new_xmods = "";
const char *env_xmods = SDL_getenv("XMODIFIERS");
if (env_xmods && SDL_strstr(env_xmods, "@im=ibus") != NULL) {
new_xmods = "@im=none";
}
setlocale(LC_ALL, "");
X11_XSetLocaleModifiers(new_xmods);
data->im =
X11_XOpenIM(data->display, NULL, data->classname, data->classname);
/* Reset the locale + X locale modifiers back to how they were,
locale first because the X locale modifiers depend on it. */
setlocale(LC_ALL, prev_locale);
X11_XSetLocaleModifiers(prev_xmods);
if (prev_xmods) {
SDL_free(prev_xmods);
}
}
#endif