| /* |
| * Copyright 1995-2007 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| #include "awt_p.h" |
| |
| #include <sys/time.h> |
| #include <limits.h> |
| #include <locale.h> |
| |
| #ifndef HEADLESS |
| #include <X11/cursorfont.h> |
| #include <Xm/MenuShell.h> |
| #include <Xm/RowColumn.h> |
| #endif /* !HEADLESS */ |
| |
| #include <jvm.h> |
| #include <jni.h> |
| #include <jlong.h> |
| #include <jni_util.h> |
| |
| /* JNI headers */ |
| #include "java_awt_AWTEvent.h" |
| #include "java_awt_Frame.h" |
| #include "java_awt_SystemColor.h" |
| #include "sun_awt_motif_MToolkit.h" |
| |
| /* JNI field and method ids */ |
| #include "awt_Component.h" |
| //#include "awt_Cursor.h" |
| #include "awt_MenuComponent.h" |
| #include "awt_TopLevel.h" |
| #include "canvas.h" |
| #include "color.h" |
| #include "awt_mgrsel.h" |
| #include "awt_wm.h" |
| #include "awt_DrawingSurface.h" |
| #include "awt_Window.h" |
| #include "awt_xembed.h" |
| #include "awt_xembed_server.h" |
| |
| extern JavaVM *jvm; |
| |
| #ifndef HEADLESS |
| #ifdef __linux__ |
| extern void statusWindowEventHandler(XEvent event); |
| #endif |
| #endif /* !HEADLESS */ |
| |
| JNIEXPORT jint JNICALL |
| JNI_OnLoad(JavaVM *vm, void *reserved) |
| { |
| #ifndef HEADLESS |
| awt_util_debug_init(); |
| #endif /* !HEADLESS */ |
| jvm = vm; |
| return JNI_VERSION_1_2; |
| } |
| |
| JNIEXPORT jboolean JNICALL AWTIsHeadless() { |
| #ifdef HEADLESS |
| return JNI_TRUE; |
| #else |
| return JNI_FALSE; |
| #endif |
| } |
| |
| #ifndef HEADLESS |
| static jlong awtJNI_TimeMillis(void); |
| extern void awt_initialize_Xm_DnD(Display*); |
| extern void awt_initialize_DataTransferer(); |
| |
| extern Display *awt_init_Display(JNIEnv *env); |
| |
| extern void X11SD_LibDispose(JNIEnv *env); |
| |
| extern Widget drag_source = NULL; |
| |
| extern struct ComponentIDs componentIDs; |
| extern struct MenuComponentIDs menuComponentIDs; |
| extern struct MComponentPeerIDs mComponentPeerIDs; |
| extern struct WindowIDs windowIDs; |
| |
| static Atom _XA_XSETTINGS_SETTINGS = None; |
| struct xsettings_callback_cookie { |
| jobject mtoolkit; |
| jmethodID upcallMID; |
| }; |
| |
| static struct xsettings_callback_cookie xsettings_callback_cookie; |
| |
| |
| static XEvent focusOutEvent; |
| |
| static void awt_pipe_init(void); |
| static void processOneEvent(XtInputMask iMask); |
| extern void waitForEvents(JNIEnv *env, int32_t fdXPipe, int32_t fdAWTPipe); |
| #ifdef USE_SELECT |
| static void performSelect(JNIEnv *env, int32_t fdXPipe, int32_t fdAWTPipe); |
| #else |
| static void performPoll(JNIEnv *env,int32_t fdXPipe, int32_t fdAWTPipe); |
| #endif |
| |
| |
| #include <X11/Intrinsic.h> |
| #include <dlfcn.h> |
| #include <fcntl.h> |
| |
| #ifdef USE_SELECT |
| #if defined(AIX) |
| #include <sys/select.h> |
| #endif |
| #else |
| #include <poll.h> |
| #ifndef POLLRDNORM |
| #define POLLRDNORM POLLIN |
| #endif |
| #endif |
| |
| #ifdef NDEBUG |
| #undef DEBUG /* NDEBUG overrides DEBUG */ |
| #endif |
| |
| static struct WidgetInfo *awt_winfo = (struct WidgetInfo *) NULL; |
| static struct MenuList* menu_list = (struct MenuList*) NULL; |
| |
| #ifndef bzero |
| #define bzero(a,b) memset(a, 0, b) |
| #endif |
| |
| static jboolean syncUpdated = JNI_FALSE; |
| static jboolean syncFailed = JNI_FALSE; |
| static jint eventNumber = 0; |
| static void syncWait_eventHandler(XEvent *); |
| static Atom oops_atom = None; |
| static Atom wm_selection = None; |
| static Atom version_atom = None; |
| |
| static Boolean inSyncWait = False; |
| |
| Widget grabbed_widget = NULL; |
| |
| XtAppContext awt_appContext; |
| Widget awt_root_shell; |
| Pixel awt_defaultBg; |
| Pixel awt_defaultFg; |
| int32_t awt_multiclick_time; /* milliseconds */ |
| uint32_t awt_MetaMask = 0; |
| uint32_t awt_AltMask = 0; |
| uint32_t awt_NumLockMask = 0; |
| uint32_t awt_ModeSwitchMask = 0; |
| Cursor awt_scrollCursor; |
| Boolean awt_ModLockIsShiftLock = False; |
| extern Boolean awt_UseType4Patch; |
| extern Boolean awt_UseXKB; |
| |
| #define SPECIAL_KEY_EVENT 2 |
| |
| /* implement a "putback queue" -- see comments on awt_put_back_event() */ |
| #define PUTBACK_QUEUE_MIN_INCREMENT 5 /* min size increase */ |
| static XEvent *putbackQueue = NULL; /* the queue -- next event is 0 */ |
| static int32_t putbackQueueCount = 0; /* # of events available on queue */ |
| static int32_t putbackQueueCapacity = 0; /* total capacity of queue */ |
| static XtInputMask awt_events_pending(XtAppContext appContext); |
| static int32_t awt_get_next_put_back_event(XEvent *xev_out); |
| |
| #define AWT_FLUSH_TIMEOUT ((uint32_t)100) /* milliseconds */ |
| #define AWT_MIN_POLL_TIMEOUT ((uint32_t)0) /* milliseconds */ |
| #define AWT_MAX_POLL_TIMEOUT ((uint32_t)250) /* milliseconds */ |
| |
| #define AWT_POLL_BUFSIZE 100 |
| #define AWT_READPIPE (awt_pipe_fds[0]) |
| #define AWT_WRITEPIPE (awt_pipe_fds[1]) |
| #define AWT_FLUSHOUTPUT_NOW() \ |
| { \ |
| XFlush(awt_display); \ |
| awt_next_flush_time = 0LL; \ |
| } |
| |
| typedef XtIntervalId (*XTFUNC)(); |
| |
| static jobject awt_MainThread = NULL; |
| static char read_buf[AWT_POLL_BUFSIZE + 1]; /* dummy buf to empty pipe */ |
| static int32_t awt_pipe_fds[2]; /* fds for wkaeup pipe */ |
| static Boolean awt_pipe_inited = False; /* make sure pipe is initialized before write */ |
| static int32_t def_poll_timeout = AWT_MAX_POLL_TIMEOUT; /* default value for timeout */ |
| static jlong awt_next_flush_time = 0LL; /* 0 == no scheduled flush */ |
| static void *xt_lib = NULL; |
| static XTFUNC xt_timeout = NULL; |
| |
| #ifdef DEBUG_AWT_LOCK |
| |
| int32_t awt_locked = 0; |
| char *lastF = ""; |
| int32_t lastL = -1; |
| |
| #endif |
| |
| #ifndef NOMODALFIX |
| extern Boolean awt_isModal(); |
| extern Boolean awt_isWidgetModal(Widget w); |
| #endif |
| |
| Boolean keyboardGrabbed = False; |
| |
| static uint32_t curPollTimeout = AWT_MAX_POLL_TIMEOUT; |
| |
| /* Font information to feed Motif widgets. */ |
| static const char *motifFontList; |
| static XFontSet defaultMotifFontSet; |
| static XFontStruct *defaultMotifFontStruct; |
| static const char *defaultMotifFont = /* a.k.a "fixed", known everywhere */ |
| "-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso8859-1"; |
| |
| XFontSet getMotifFontSet() { |
| char **missingList; |
| int32_t missingCount; |
| char *defChar; |
| |
| return XCreateFontSet(awt_display, motifFontList, |
| &missingList, &missingCount, &defChar); |
| } |
| |
| XFontStruct *getMotifFontStruct() { |
| return XLoadQueryFont(awt_display, defaultMotifFont); |
| } |
| |
| XmFontList getMotifFontList() { |
| XmFontListEntry motifFontListEntry; |
| XmFontList fontlist; |
| |
| if (strchr(motifFontList, ',') == NULL) { |
| /* If the default font is a single font. */ |
| if (defaultMotifFontStruct == NULL) |
| defaultMotifFontStruct = getMotifFontStruct(); |
| motifFontListEntry = XmFontListEntryCreate(XmFONTLIST_DEFAULT_TAG, |
| XmFONT_IS_FONT, |
| (XtPointer)defaultMotifFontStruct); |
| } |
| else { |
| /* If the default font is multiple fonts. */ |
| if (defaultMotifFontSet == NULL) |
| defaultMotifFontSet = getMotifFontSet(); |
| motifFontListEntry = XmFontListEntryCreate(XmFONTLIST_DEFAULT_TAG, |
| XmFONT_IS_FONTSET, |
| (XtPointer)defaultMotifFontSet); |
| } |
| fontlist = XmFontListAppendEntry(NULL, motifFontListEntry); |
| XmFontListEntryFree(&motifFontListEntry); |
| return fontlist; |
| } |
| |
| static void |
| awt_set_poll_timeout (uint32_t newTimeout) |
| { |
| DTRACE_PRINTLN1("awt_set_poll_timeout(%lu)", newTimeout); |
| |
| newTimeout = max(AWT_MIN_POLL_TIMEOUT, newTimeout); |
| newTimeout = min(AWT_MAX_POLL_TIMEOUT, newTimeout); |
| newTimeout = min(newTimeout, curPollTimeout); |
| curPollTimeout = newTimeout; |
| |
| } /* awt_set_poll_timeout */ |
| |
| /* |
| * Gets the best timeout for the next call to poll() or select(). |
| * If timedOut is True, we assume that our previous timeout elapsed |
| * with no events/timers arriving. Therefore, we can increase the |
| * next timeout slightly. |
| */ |
| static uint32_t |
| awt_get_poll_timeout( Boolean timedOut ) |
| { |
| uint32_t timeout = AWT_MAX_POLL_TIMEOUT; |
| |
| DTRACE_PRINTLN2("awt_get_poll_timeout(%s), awt_next_flush_time:%ld", |
| (remove?"true":"false"), |
| awt_next_flush_time); |
| |
| if (timedOut) { |
| /* add 1/16 (plus 1, in case the division truncates to 0) */ |
| curPollTimeout += ((curPollTimeout>>4) + 1); |
| curPollTimeout = min(AWT_MAX_POLL_TIMEOUT, curPollTimeout); |
| } |
| if (awt_next_flush_time > 0) { |
| int32_t flushDiff = (int32_t)(awt_next_flush_time - awtJNI_TimeMillis()); |
| timeout = min(curPollTimeout, flushDiff); |
| } else { |
| timeout = curPollTimeout; |
| } |
| |
| return timeout; |
| } /* awt_get_poll_timeout() */ |
| |
| static jlong |
| awtJNI_TimeMillis(void) |
| { |
| struct timeval t; |
| |
| gettimeofday(&t, 0); |
| |
| return jlong_add(jlong_mul(jint_to_jlong(t.tv_sec), jint_to_jlong(1000)), |
| jint_to_jlong(t.tv_usec / 1000)); |
| } |
| |
| static int32_t |
| xtError() |
| { |
| #ifdef DEBUG |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| |
| jio_fprintf(stderr, "Xt error\n"); |
| JNU_ThrowNullPointerException(env, "NullPointerException"); |
| #endif |
| return 0; |
| } |
| |
| static int32_t |
| xIOError(Display *dpy) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| jclass cl = (*env)->FindClass(env, "java/lang/Thread"); |
| |
| if (errno == EPIPE) { |
| jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL)); |
| } |
| AWT_NOFLUSH_UNLOCK(); |
| JVM_RaiseSignal(JVM_SIGTERM); /* Shut down cleanly */ |
| if (cl != NULL) { |
| JVM_Sleep(env, cl, 20000); |
| } |
| |
| return 0; /* to keep compiler happy */ |
| } |
| |
| /* Like XKeysymToKeycode, but ensures that keysym is the primary |
| * symbol on the keycode returned. Returns zero otherwise. |
| */ |
| static int32_t |
| keysym_to_keycode_if_primary(Display *dpy, KeySym sym) |
| { |
| KeyCode code; |
| KeySym primary; |
| |
| code = XKeysymToKeycode(dpy, sym); |
| if (code == 0) { |
| return 0; |
| } |
| |
| primary = XKeycodeToKeysym(dpy, code, 0); |
| if (sym == primary) { |
| return code; |
| } else { |
| return 0; |
| } |
| } |
| /* |
| * +kb or -kb ? |
| */ |
| static Boolean |
| isXKBenabled(Display *display) { |
| int mop, beve, berr; |
| /* |
| * NB: TODO: hope it will return False if XkbIgnoreExtension was called! |
| */ |
| return XQueryExtension(display, "XKEYBOARD", &mop, &beve, &berr); |
| } |
| |
| |
| /* Assign meaning - alt, meta, etc. - to X modifiers mod1 ... mod5. |
| * Only consider primary symbols on keycodes attached to modifiers. |
| */ |
| static void |
| setup_modifier_map(Display *disp) |
| { |
| KeyCode metaL = keysym_to_keycode_if_primary(disp, XK_Meta_L); |
| KeyCode metaR = keysym_to_keycode_if_primary(disp, XK_Meta_R); |
| KeyCode altL = keysym_to_keycode_if_primary(disp, XK_Alt_L); |
| KeyCode altR = keysym_to_keycode_if_primary(disp, XK_Alt_R); |
| KeyCode numLock = keysym_to_keycode_if_primary(disp, XK_Num_Lock); |
| KeyCode modeSwitch = keysym_to_keycode_if_primary(disp, XK_Mode_switch); |
| KeyCode shiftLock = keysym_to_keycode_if_primary(disp, XK_Shift_Lock); |
| KeyCode capsLock = keysym_to_keycode_if_primary(disp, XK_Caps_Lock); |
| |
| XModifierKeymap *modmap = NULL; |
| int32_t nkeys, modn, i; |
| char *ptr = NULL; |
| |
| DTRACE_PRINTLN("In setup_modifier_map"); |
| |
| modmap = XGetModifierMapping(disp); |
| nkeys = modmap->max_keypermod; |
| |
| for (modn = Mod1MapIndex; |
| (modn <= Mod5MapIndex) && |
| (awt_MetaMask == 0 || awt_AltMask == 0 || |
| awt_NumLockMask == 0 || awt_ModeSwitchMask == 0); |
| ++modn) |
| { |
| static const uint32_t modmask[8] = { |
| ShiftMask, LockMask, ControlMask, |
| Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask |
| }; |
| |
| |
| for (i = 0; i < nkeys; ++i) { |
| /* for each keycode attached to this modifier */ |
| KeyCode keycode = modmap->modifiermap[modn * nkeys + i]; |
| if (keycode == 0) { |
| continue; |
| } |
| |
| if (awt_MetaMask == 0 && (keycode == metaL || keycode == metaR)) { |
| awt_MetaMask = modmask[modn]; |
| DTRACE_PRINTLN2(" awt_MetaMask = %d, modn = %d", awt_MetaMask, modn); |
| break; |
| } else if (awt_AltMask == 0 && (keycode == altL || keycode == altR)) { |
| awt_AltMask = modmask[modn]; |
| DTRACE_PRINTLN2(" awt_AltMask = %d, modn = %d", awt_AltMask, modn); |
| break; |
| } else if (awt_NumLockMask == 0 && keycode == numLock) { |
| awt_NumLockMask = modmask[modn]; |
| DTRACE_PRINTLN2(" awt_NumLockMask = %d, modn = %d", awt_NumLockMask, modn); |
| break; |
| } else if (awt_ModeSwitchMask == 0 && keycode == modeSwitch) { |
| awt_ModeSwitchMask = modmask[modn]; |
| DTRACE_PRINTLN2(" awt_ModeSwitchMask = %d, modn = %d", awt_ModeSwitchMask, modn); |
| break; |
| } |
| } |
| } |
| for(i = 0; i < nkeys; i++) { |
| KeyCode keycode = modmap->modifiermap[LockMapIndex * nkeys + i]; |
| if (keycode == 0) { |
| break; |
| } |
| if (keycode == shiftLock) { |
| awt_ModLockIsShiftLock = True; |
| break; |
| } |
| if (keycode == capsLock) { |
| break; |
| } |
| } |
| |
| DTRACE_PRINTLN1(" ShiftMask = %d", ShiftMask); |
| DTRACE_PRINTLN1(" ControlMask = %d", ControlMask); |
| |
| XFreeModifiermap(modmap); |
| ptr = getenv("_AWT_USE_TYPE4_PATCH"); |
| if( ptr != NULL && ptr[0] != 0 ) { |
| if( strncmp("true", ptr, 4) == 0 ) { |
| awt_UseType4Patch = True; |
| }else if( strncmp("false", ptr, 5) == 0 ) { |
| awt_UseType4Patch = False; |
| } |
| } |
| awt_UseXKB = isXKBenabled(disp); |
| |
| } |
| |
| |
| Boolean scrollBugWorkAround; |
| |
| |
| void |
| awt_output_flush() |
| { |
| char c = 'p'; |
| |
| if (awt_next_flush_time == 0) |
| { |
| Boolean needsWakeup = False; |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| if (awt_pipe_inited && (awt_get_poll_timeout(False) > (2*AWT_FLUSH_TIMEOUT))){ |
| needsWakeup = True; |
| } |
| /* awt_next_flush_time affects awt_get_poll_timeout(), so set |
| * the variable *after* calling the function. |
| */ |
| awt_next_flush_time = awtJNI_TimeMillis() + AWT_FLUSH_TIMEOUT; |
| if (needsWakeup) |
| { |
| /* write to the utility pipe to wake up the event |
| * loop, if it's sleeping |
| */ |
| write ( AWT_WRITEPIPE, &c, 1 ); |
| } |
| } |
| #ifdef FLUSHDEBUG |
| else |
| jio_fprintf(stderr, "!"); |
| #endif |
| } /* awt_output_flush() */ |
| |
| void |
| null_event_handler(Widget w, XtPointer client_data, |
| XEvent * event, Boolean * cont) |
| { |
| /* do nothing */ |
| } |
| |
| struct WidgetInfo * |
| findWidgetInfo(Widget widget) |
| { |
| struct WidgetInfo *cw; |
| |
| for (cw = awt_winfo; cw != NULL; cw = cw->next) { |
| if (cw->widget == widget || cw->origin == widget) { |
| return cw; |
| } |
| } |
| return NULL; |
| } |
| |
| void |
| awt_addWidget(Widget w, Widget origin, void *peer, jlong event_flags) |
| { |
| if (findWidgetInfo(w) != NULL) return; |
| |
| if (!XtIsSubclass(w, xmFileSelectionBoxWidgetClass)) { |
| struct WidgetInfo *nw = (struct WidgetInfo *) malloc(sizeof(struct WidgetInfo)); |
| |
| if (nw) { |
| nw->widget = w; |
| nw->origin = origin; |
| nw->peer = peer; |
| nw->event_mask = event_flags; |
| nw->next = awt_winfo; |
| awt_winfo = nw; |
| |
| if (event_flags & java_awt_AWTEvent_MOUSE_EVENT_MASK) { |
| XtAddEventHandler(w, |
| ButtonPressMask | ButtonReleaseMask | |
| EnterWindowMask | LeaveWindowMask, |
| False, null_event_handler, NULL); |
| if (w != origin) { |
| XtAddEventHandler(origin, |
| ButtonPressMask | ButtonReleaseMask | |
| EnterWindowMask | LeaveWindowMask, |
| False, null_event_handler, NULL); |
| } |
| } |
| if (event_flags & java_awt_AWTEvent_MOUSE_MOTION_EVENT_MASK) { |
| XtAddEventHandler(w, |
| PointerMotionMask, |
| False, null_event_handler, NULL); |
| if (w != origin) { |
| XtAddEventHandler(origin, |
| PointerMotionMask, |
| False, null_event_handler, NULL); |
| } |
| } |
| if (event_flags & java_awt_AWTEvent_KEY_EVENT_MASK) { |
| XtAddEventHandler(w, |
| KeyPressMask | KeyReleaseMask, |
| False, null_event_handler, NULL); |
| if (w != origin) { |
| XtAddEventHandler(origin, |
| KeyPressMask | KeyReleaseMask, |
| False, null_event_handler, NULL); |
| } |
| } |
| } else { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| } |
| |
| } |
| } |
| |
| void |
| awt_delWidget(Widget w) |
| { |
| struct WidgetInfo *cw; |
| |
| if (awt_winfo != NULL) { |
| if ((awt_winfo->widget == w) || |
| (awt_winfo->origin == w)) { |
| cw = awt_winfo; |
| awt_winfo = awt_winfo->next; |
| free((void *) cw); |
| } else { |
| struct WidgetInfo *pw; |
| |
| for (pw = awt_winfo, cw = awt_winfo->next; |
| cw != NULL; |
| pw = cw, cw = cw->next) { |
| if ((cw->widget == w) || |
| (cw->origin == w)) { |
| pw->next = cw->next; |
| free((void *) cw); |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| |
| void * |
| findPeer(Widget * pwidget) |
| { |
| struct WidgetInfo *cw; |
| Widget widgetParent; |
| void * peer; |
| |
| if ((cw = findWidgetInfo(*pwidget)) != NULL) { |
| return cw->peer; |
| } |
| /* fix for 4053856, robi.khan@eng |
| couldn't find peer corresponding to widget |
| but the widget may be child of one with |
| a peer, so recurse up the hierarchy */ |
| widgetParent = XtParent(*pwidget); |
| if (widgetParent != NULL ) { |
| peer = findPeer(&widgetParent); |
| if( peer != NULL ) { |
| /* found peer attached to ancestor of given |
| widget, so set widget return value as well */ |
| *pwidget = widgetParent; |
| return peer; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| Boolean |
| awt_isAwtWidget(Widget widget) |
| { |
| return (findWidgetInfo(widget) != NULL); |
| } |
| |
| |
| static Boolean |
| awt_isAwtMenuWidget(Widget wdgt) { |
| struct MenuList* cur; |
| |
| if (!XtIsSubclass(wdgt, xmRowColumnWidgetClass)) { |
| return False; |
| } |
| for (cur = menu_list; cur != NULL; cur = cur->next) { |
| if (cur->menu == wdgt) { |
| return True; |
| } |
| } |
| return False; |
| } |
| |
| void |
| awt_addMenuWidget(Widget wdgt) { |
| DASSERT(XtIsSubclass(wdgt, xmRowColumnWidgetClass)); |
| |
| if (!awt_isAwtMenuWidget(wdgt)) { |
| struct MenuList* ml = (struct MenuList*) malloc(sizeof(struct MenuList)); |
| if (ml != NULL) { |
| ml->menu = wdgt; |
| ml->next = menu_list; |
| menu_list = ml; |
| } else { |
| JNIEnv* env = (JNIEnv*)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| } |
| } |
| } |
| |
| void |
| awt_delMenuWidget(Widget wdgt) { |
| struct MenuList** pp; |
| struct MenuList* p; |
| |
| DASSERT(XtIsSubclass(wdgt, xmRowColumnWidgetClass)); |
| |
| for (pp = &menu_list; *pp != NULL; pp = &((*pp)->next)) { |
| if ((*pp)->menu == wdgt) { |
| p = *pp; |
| *pp = (*pp)->next; |
| free((void*)p); |
| break; |
| } |
| } |
| } |
| |
| |
| static Widget |
| getShellWidgetByPart(Widget part) { |
| int i; |
| for (i = 0; i < 3; i++) { |
| if (part == NULL) return NULL; |
| if (XtIsShell(part)) return part; |
| part = XtParent(part); |
| } |
| return NULL; |
| } |
| |
| static Boolean |
| isTheSameShellWidget(Widget shell, Widget w) { |
| Widget s1, s2; |
| if (shell == NULL || w == NULL) return False; |
| s1 = getShellWidgetByPart(shell); |
| s2 = getShellWidgetByPart(w); |
| if (s1 == s2 && s1 != NULL) { |
| return True; |
| } else { |
| return False; |
| } |
| } |
| |
| static Boolean |
| shouldDispatchToWidget(XEvent * xev) |
| { |
| /* If this function returns False, that means that it has not pre-posted |
| this event to Java. The caller will then dispatch the event to Motif, |
| and our handlers will be called to post it to Java. |
| If this function returns true, then this function has posted this event |
| to java before returning. The caller will not dispatch it to Motif; |
| it will be dispatched to Motif via the putbackQueue after it has been |
| processed by Java */ |
| |
| Window win; |
| Widget widget = NULL; |
| struct WidgetInfo *winfo; |
| void *peer = NULL; |
| Boolean cont = FALSE; |
| |
| switch (xev->type) { |
| case KeyPress: |
| case KeyRelease: |
| win = xev->xkey.window; |
| break; |
| case FocusIn: |
| case FocusOut: |
| win = xev->xfocus.window; |
| break; |
| case ButtonPress: |
| case ButtonRelease: |
| win = xev->xbutton.window; |
| break; |
| case MotionNotify: |
| win = xev->xmotion.window; |
| break; |
| case EnterNotify: |
| case LeaveNotify: |
| win = xev->xcrossing.window; |
| break; |
| default: |
| return False; |
| } |
| |
| if ((widget = XtWindowToWidget(awt_display, win)) == NULL) { |
| return False; |
| } |
| |
| if (xev->type == KeyPress || xev->type == KeyRelease) { |
| Widget focusWidget = XmGetFocusWidget(widget); |
| |
| /* Fix for 4328561 by ibd@sparc.spb.su |
| If the widget is a Choice, the widget with focus is probably lying |
| outside the current widget's sub-hierarchy, so we have to go up the |
| hierarchy to reach it */ |
| |
| if ((focusWidget == NULL) && XmIsMenuShell(widget)) { |
| if ((widget = XtParent(widget)) != NULL) { |
| focusWidget = XmGetFocusWidget(widget); |
| } else { |
| return False; |
| } |
| |
| /* In this case, focus widget should be CascadeButtonGadget type, |
| but we should send the events to its parent */ |
| if (focusWidget != NULL && XmIsCascadeButtonGadget(focusWidget)) { |
| widget = XtParent(focusWidget); |
| } else { |
| /* If something went wrong, restore the original status */ |
| widget = XtWindowToWidget(awt_display, win); |
| } |
| } |
| |
| /* if focus owner is null, redirect key events to focused window */ |
| if (focusWidget == NULL && findWidgetInfo(widget) == NULL) { |
| focusWidget = findTopLevelByShell(widget); |
| } |
| |
| /* If we are on a non-choice widget, process events in a normal way */ |
| if ((focusWidget != NULL) && (focusWidget != widget)) { |
| if (isTheSameShellWidget(focusWidget, widget)) { |
| focusWidget = findTopLevelByShell(widget); |
| } |
| if (focusWidget != NULL) { |
| peer = findPeer(&focusWidget); |
| } |
| if (peer != NULL) { |
| widget = focusWidget; |
| win = xev->xkey.window = XtWindow(focusWidget); |
| } |
| } |
| } |
| |
| if ((winfo = findWidgetInfo(widget)) == NULL) { |
| return False; |
| } |
| |
| /* |
| * Fix for bug 4145193 |
| * |
| * If a menu is up (not just a popup menu), prevent awt components from |
| * getting any events until the menu is popped down. |
| * Before this fix, the fact that mouse/button events were |
| * preposted to the Java event queue was causing the ButtonRelease |
| * (needed to pop menu down) to be seen by the menu's parent and |
| * not the menu. |
| */ |
| if (awtMenuIsActive()) { |
| Widget focusWidget = XmGetFocusWidget(widget); |
| |
| if (focusWidget == NULL) { |
| return False; |
| } |
| |
| /* If we are on a choice, dispatch the events to widget, but do not |
| * dispatch the events if we are on popped up menu. |
| */ |
| if (!XmIsRowColumn(widget) || !XmIsCascadeButtonGadget(focusWidget)) { |
| /* Fix for 4328557 by ibd@sparc.spb.su |
| * If we are dragging mouse from choice and are currently outside |
| * of it, dispatch events to the choice - the source of dragging. |
| */ |
| |
| if ((drag_source != NULL) && (widget != drag_source) && |
| (peer = findPeer(&drag_source))) { |
| awt_canvas_handleEvent(drag_source, peer, xev, winfo, &cont, TRUE); |
| } |
| return False; |
| } |
| } |
| |
| /* If the keyboard is grabbed by a popup (such as a choice) during |
| a time when a focus proxy is in effect, the abovefocusIsOnMenu |
| test will not detect the sitation because the focus will be on |
| the proxy. But we need events to go to Motif first, so that the |
| grab can be undone when appropriate. */ |
| if (keyboardGrabbed) { |
| return False; |
| } |
| |
| /* If it's a keyboard event, we need to find the peer associated */ |
| /* with the widget that has the focus rather than the widget */ |
| /* associated with the window in the X event. */ |
| |
| switch (xev->type) { |
| case KeyPress: |
| case KeyRelease: |
| if (!(winfo->event_mask & java_awt_AWTEvent_KEY_EVENT_MASK)) |
| return False; |
| break; |
| case FocusIn: |
| case FocusOut: |
| if (!(winfo->event_mask & java_awt_AWTEvent_FOCUS_EVENT_MASK)) |
| return False; |
| break; |
| case ButtonPress: |
| case ButtonRelease: |
| if (!(winfo->event_mask & java_awt_AWTEvent_MOUSE_EVENT_MASK)) { |
| return False; |
| } |
| break; |
| case EnterNotify: |
| case LeaveNotify: |
| /* |
| * Do not post the enter/leave event if it's on a subwidget |
| * within the component. |
| */ |
| if (!(winfo->event_mask & java_awt_AWTEvent_MOUSE_EVENT_MASK) || |
| widget != winfo->origin) |
| return False; |
| break; |
| case MotionNotify: |
| if (!(winfo->event_mask & java_awt_AWTEvent_MOUSE_MOTION_EVENT_MASK)) |
| return False; |
| break; |
| default: |
| return False; |
| } |
| |
| peer = winfo->peer; |
| |
| /* If we found a widget and a suitable peer (either the focus |
| peer above or the one associated with the widget then we |
| dispatch to it. */ |
| if (peer == NULL) { |
| return False; |
| } |
| |
| /* |
| * Fix for bug 4173714 - java.awt.button behaves differently under |
| * Win32/Solaris. |
| * Component should not get any events when it's disabled. |
| */ |
| if (!XtIsSensitive(widget)) { |
| if (xev->type == EnterNotify) { |
| updateCursor(peer, CACHE_UPDATE); |
| } |
| return False; |
| } |
| |
| awt_canvas_handleEvent(widget, peer, xev, winfo, &cont, TRUE); |
| return (!cont); |
| } /* shouldDispatchToWidget() */ |
| |
| |
| void set_toolkit_busy(Boolean busy) { |
| |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| |
| static jclass awtAutoShutdownClass = NULL; |
| static jmethodID notifyBusyMethodID = NULL; |
| static jmethodID notifyFreeMethodID = NULL; |
| |
| if (awtAutoShutdownClass == NULL) { |
| jclass awtAutoShutdownClassLocal = (*env)->FindClass(env, "sun/awt/AWTAutoShutdown"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| DASSERT(awtAutoShutdownClassLocal != NULL); |
| if (awtAutoShutdownClassLocal == NULL) { |
| return; |
| } |
| |
| awtAutoShutdownClass = (jclass)(*env)->NewGlobalRef(env, awtAutoShutdownClassLocal); |
| (*env)->DeleteLocalRef(env, awtAutoShutdownClassLocal); |
| |
| notifyBusyMethodID = (*env)->GetStaticMethodID(env, awtAutoShutdownClass, |
| "notifyToolkitThreadBusy", "()V"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| notifyFreeMethodID = (*env)->GetStaticMethodID(env, awtAutoShutdownClass, |
| "notifyToolkitThreadFree", "()V"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| DASSERT(notifyBusyMethodID != NULL); |
| DASSERT(notifyFreeMethodID != NULL); |
| if (notifyBusyMethodID == NULL || notifyFreeMethodID == NULL) { |
| return; |
| } |
| } /* awtAutoShutdownClass == NULL*/ |
| |
| if (busy) { |
| (*env)->CallStaticVoidMethod(env, awtAutoShutdownClass, |
| notifyBusyMethodID); |
| } else { |
| (*env)->CallStaticVoidMethod(env, awtAutoShutdownClass, |
| notifyFreeMethodID); |
| } |
| |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| } |
| |
| #ifdef DEBUG |
| static int32_t debugPrintLineCount = 0; /* limit debug output per line */ |
| #endif |
| |
| /* |
| * This is the main Xt event loop for the AWT. |
| * |
| * Because java applications are multithreaded, but X and Xt |
| * are thread-dumb, we must make special considerations to |
| * make ensure that the X/Xt libraries are not entered by |
| * multiple threads simultaneously. |
| * |
| * The biggest difference between the standard Xt loop |
| * and this loop is that we go to great lengths never to block |
| * in the X libraries. We poll() on the X event pipe, waiting |
| * for events, rather than simply calling XtAppNextEvent() and |
| * blocking. If this thread were to block in XtAppNextEvent(), |
| * no other thread could enter (e.g., to perform a paint or |
| * retrieve data). |
| */ |
| /* #ifdef DEBUG */ |
| int32_t numEventsHandled = 0; |
| /* #endif */ |
| static void |
| awt_MToolkit_loop(JNIEnv *env) |
| { |
| XtInputMask iMask; |
| int32_t fdXPipe = -1; /* pipe where X events arrive */ |
| |
| /* only privileged thread should be running here */ |
| DASSERT(awt_currentThreadIsPrivileged(env)); |
| |
| /* The pipe where X events arrive */ |
| fdXPipe = ConnectionNumber(awt_display) ; |
| |
| /* We execute events while locked, unlocking only when waiting |
| * for an event |
| */ |
| AWT_LOCK(); |
| |
| /* Create the AWT utility pipe. See the comments on awt_pipe_init() */ |
| awt_pipe_init(); |
| |
| /* |
| * Need to flush here in case data on the connection was read |
| * before we acquired the monitor. |
| * |
| * I don't get this, but I'm too chicken to remove it. -jethro 2Sep98 |
| */ |
| AWT_FLUSHOUTPUT_NOW(); |
| |
| /* |
| * ACTUALLY PROCESS EVENTS |
| */ |
| while(True) { |
| |
| /* process all events in the queue */ |
| /* #ifdef DEBUG */ |
| /* numEventsHandled = 0; */ |
| /* #endif */ |
| while (((iMask = awt_events_pending(awt_appContext)) & XtIMAll) > 0) { |
| |
| /* #ifdef DEBUG */ |
| ++numEventsHandled; |
| /* #endif */ |
| processOneEvent(iMask); |
| |
| } /* end while awt_events_pending() */ |
| /* At this point, we have exhausted the event queue */ |
| |
| /* print the number of events handled in parens */ |
| DTRACE_PRINT1("(%d events)",(int32_t)numEventsHandled); |
| #ifdef DEBUG |
| if (++debugPrintLineCount > 8) { |
| DTRACE_PRINTLN(""); |
| debugPrintLineCount = 0; |
| } |
| #endif |
| |
| AWT_NOTIFY_ALL(); /* wake up modalWait() */ |
| |
| set_toolkit_busy(False); |
| |
| /* Here, we wait for X events, outside of the X libs. When |
| * it's likely that an event is waiting, we process the queue |
| */ |
| waitForEvents(env, fdXPipe, AWT_READPIPE); |
| |
| set_toolkit_busy(True); |
| |
| } /* while(True) */ |
| |
| /* If we ever exit the loop, must unlock the toolkit */ |
| |
| } /* awt_MToolkit_loop() */ |
| |
| /* |
| * Creates the AWT utility pipe. This pipe exists solely so that |
| * we can cause the main event thread to wake up from a poll() or |
| * select() by writing to this pipe. |
| */ |
| static void |
| awt_pipe_init(void) { |
| |
| if (awt_pipe_inited) { |
| return; |
| } |
| |
| if ( pipe ( awt_pipe_fds ) == 0 ) |
| { |
| /* |
| ** the write wakes us up from the infinite sleep, which |
| ** then we cause a delay of AWT_FLUSHTIME and then we |
| ** flush. |
| */ |
| int32_t flags = 0; |
| awt_set_poll_timeout (def_poll_timeout); |
| /* set the pipe to be non-blocking */ |
| flags = fcntl ( AWT_READPIPE, F_GETFL, 0 ); |
| fcntl( AWT_READPIPE, F_SETFL, flags | O_NDELAY | O_NONBLOCK ); |
| flags = fcntl ( AWT_WRITEPIPE, F_GETFL, 0 ); |
| fcntl( AWT_WRITEPIPE, F_SETFL, flags | O_NDELAY | O_NONBLOCK ); |
| awt_pipe_inited = True; |
| } |
| else |
| { |
| AWT_READPIPE = -1; |
| AWT_WRITEPIPE = -1; |
| awt_pipe_inited = False; |
| } |
| } /* awt_pipe_init() */ |
| |
| static Window |
| proxyTopLevel(Window proxyWindow) { |
| Window parent = None, root = None, *children = NULL, retvalue = None; |
| uint32_t nchildren = 0; |
| Status res = XQueryTree(awt_display, proxyWindow, &root, &parent, |
| &children, &nchildren); |
| if (res != 0) { |
| if (nchildren > 0) { |
| retvalue = children[0]; |
| } |
| else retvalue = None; |
| if (children != NULL) { |
| XFree(children); |
| } |
| return retvalue; |
| } else { |
| return None; |
| } |
| } |
| |
| static jclass clazzF, clazzD = NULL; |
| |
| static Boolean |
| initClazzD(JNIEnv *env) { |
| jclass t_clazzD = (*env)->FindClass(env, "java/awt/Dialog"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| DASSERT(t_clazzD != NULL); |
| if (t_clazzD == NULL) { |
| return False; |
| } |
| clazzD = (*env)->NewGlobalRef(env, t_clazzD); |
| DASSERT(clazzD != NULL); |
| (*env)->DeleteLocalRef(env, t_clazzD); |
| return True; |
| } |
| |
| Boolean |
| isFrameOrDialog(jobject target, JNIEnv *env) { |
| if ((*env)->EnsureLocalCapacity(env, 1) < 0) { |
| return False; |
| } |
| |
| if (clazzF == NULL) { |
| jclass t_clazzF = (*env)->FindClass(env, "java/awt/Frame"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| DASSERT(t_clazzF != NULL); |
| if (t_clazzF == NULL) { |
| return False; |
| } |
| clazzF = (*env)->NewGlobalRef(env, t_clazzF); |
| DASSERT(clazzF != NULL); |
| (*env)->DeleteLocalRef(env, t_clazzF); |
| } |
| |
| if (clazzD == NULL && !initClazzD(env)) { |
| return False; |
| } |
| |
| return (*env)->IsInstanceOf(env, target, clazzF) || |
| (*env)->IsInstanceOf(env, target, clazzD); |
| } |
| |
| Boolean |
| isDialog(jobject target, JNIEnv *env) { |
| if (clazzD == NULL && !initClazzD(env)) { |
| return False; |
| } |
| return (*env)->IsInstanceOf(env, target, clazzD); |
| } |
| |
| // Returns a local ref to a decorated owner of the target, |
| // or NULL if the target is Frame or Dialog itself. |
| // The local ref returned should be deleted by the caller. |
| jobject |
| getOwningFrameOrDialog(jobject target, JNIEnv *env) { |
| jobject _target = (*env)->NewLocalRef(env, target); |
| jobject parent = _target; |
| Boolean isSelfFrameOrDialog = True; |
| |
| while (!isFrameOrDialog(parent, env)) { |
| isSelfFrameOrDialog = False; |
| parent = (*env)->CallObjectMethod(env, _target, componentIDs.getParent); |
| (*env)->DeleteLocalRef(env, _target); |
| _target = parent; |
| } |
| |
| if (isSelfFrameOrDialog) { |
| (*env)->DeleteLocalRef(env, parent); |
| return NULL; |
| } |
| return parent; |
| } |
| |
| Widget |
| findWindowsProxy(jobject window, JNIEnv *env) { |
| struct ComponentData *cdata; |
| jobject tlPeer; |
| jobject owner_prev = NULL, owner_new = NULL; |
| /* the owner of a Window is in its parent field */ |
| /* we may have a chain of Windows; go up the chain till we find the |
| owning Frame or Dialog */ |
| if ((*env)->EnsureLocalCapacity(env, 4) < 0) { |
| return NULL; |
| } |
| |
| if (window == NULL) return NULL; |
| |
| owner_prev = (*env)->NewLocalRef(env, window); |
| while (!JNU_IsNull(env, owner_prev) && !(isFrameOrDialog(owner_prev, env))) { |
| owner_new = (*env)->CallObjectMethod(env, owner_prev, componentIDs.getParent); |
| (*env)->DeleteLocalRef(env, owner_prev); |
| owner_prev = owner_new; |
| } |
| |
| if (owner_prev == NULL) return NULL; |
| |
| tlPeer = (*env)->GetObjectField(env, owner_prev, componentIDs.peer); |
| (*env)->DeleteLocalRef(env, owner_prev); |
| if (tlPeer == NULL) return NULL; |
| |
| cdata = (struct ComponentData *) |
| JNU_GetLongFieldAsPtr(env, tlPeer, mComponentPeerIDs.pData); |
| (*env)->DeleteLocalRef(env, tlPeer); |
| |
| if (cdata == NULL) return NULL; |
| return(findFocusProxy(cdata->widget)); |
| } |
| |
| jobject |
| findTopLevel(jobject peer, JNIEnv *env) { |
| jobject target_prev = NULL; |
| static jclass clazzW = NULL; |
| |
| if ((*env)->EnsureLocalCapacity(env, 3) < 0) { |
| return NULL; |
| } |
| |
| if (clazzW == NULL) { |
| jclass t_clazzW = (*env)->FindClass(env, "java/awt/Window"); |
| if ((*env)->ExceptionOccurred(env)) { |
| (*env)->ExceptionDescribe(env); |
| (*env)->ExceptionClear(env); |
| } |
| DASSERT(t_clazzW != NULL); |
| if (t_clazzW == NULL) { |
| return NULL; |
| } |
| clazzW = (*env)->NewGlobalRef(env, t_clazzW); |
| DASSERT(clazzW != NULL); |
| (*env)->DeleteLocalRef(env, t_clazzW); |
| } |
| target_prev = (*env)->GetObjectField(env, peer, mComponentPeerIDs.target); |
| if (target_prev == NULL) { |
| return NULL; |
| } |
| |
| while ((target_prev != NULL) |
| && !(*env)->IsInstanceOf(env, target_prev, clazzW) ) |
| { |
| /* go up the hierarchy until we find a window */ |
| jobject target_new = (*env)->CallObjectMethod(env, target_prev, componentIDs.getParent); |
| (*env)->DeleteLocalRef(env, target_prev); |
| target_prev = target_new; |
| } |
| return target_prev; |
| } |
| |
| static Window |
| rootWindow(Window w) { |
| Window root = None; |
| Window parent = None; |
| Window *children = NULL; |
| uint32_t nchildren = 0; |
| |
| if (w != None) { |
| Status res = XQueryTree(awt_display, w, &root, &parent, &children, &nchildren); |
| if (res == 0) { |
| return None; |
| } |
| if (children != NULL) { |
| XFree(children); |
| } |
| return root; |
| } else { |
| return None; |
| } |
| } |
| |
| Boolean IsRootOf(Window root, Window child) { |
| Window w_root = None, w_parent = None, * children = NULL; |
| uint32_t c_count = 0; |
| if (root == None || child == None) { |
| return False; |
| } |
| do { |
| w_root = None; |
| w_parent = None; |
| children = NULL; |
| c_count = 0; |
| if (XQueryTree(awt_display, child, &w_root, &w_parent, |
| &children, &c_count)) { |
| if (children != NULL) { |
| XFree(children); |
| } |
| if (w_parent == None) { |
| return False; |
| } |
| if (w_parent == root) { |
| return True; |
| } |
| } else { |
| return False; |
| } |
| child = w_parent; |
| } while (True); |
| } |
| |
| Window findShellByProxy(Window proxy) { |
| Widget proxy_wid = XtWindowToWidget(awt_display, proxy); |
| while (proxy_wid != NULL && !XtIsShell(proxy_wid)) { |
| proxy_wid = XtParent(proxy_wid); |
| } |
| if (proxy_wid == NULL) { |
| return None; |
| } |
| return XtWindow(proxy_wid); |
| } |
| |
| // Window which contains focus owner when focus proxy is enabled |
| Window trueFocusWindow = None; |
| // Window which works as proxy for input events for real focus owner. |
| Window focusProxyWindow = None; |
| |
| void clearFocusPathOnWindow(Window win) { |
| if (focusProxyWindow != None && IsRootOf(win, trueFocusWindow)) { |
| XEvent ev; |
| memset(&ev, 0, sizeof(ev)); |
| ev.type = FocusOut; |
| ev.xany.send_event = True; |
| ev.xany.display = awt_display; |
| ev.xfocus.mode = NotifyNormal; |
| ev.xfocus.detail = NotifyNonlinear; |
| { |
| Window root = rootWindow(trueFocusWindow); |
| JNIEnv *env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| ev.xfocus.window = trueFocusWindow; |
| while (ev.xfocus.window != root && |
| ev.xfocus.window != None) { |
| Widget w = XtWindowToWidget(awt_display, |
| ev.xfocus.window); |
| awt_put_back_event(env, &ev); |
| if (w == NULL) { |
| break; |
| } |
| if (XtParent(w) != NULL) { |
| ev.xfocus.window = XtWindow(XtParent(w)); |
| } else { |
| ev.xfocus.window = None; |
| } |
| } |
| } |
| XSetInputFocus(awt_display, findShellByProxy(focusProxyWindow), RevertToPointerRoot, CurrentTime); |
| trueFocusWindow = None; |
| focusProxyWindow = None; |
| } |
| } |
| void clearFocusPath(Widget shell) { |
| Window w = None; |
| if (shell == NULL) { |
| return; |
| } |
| w = XtWindow(shell); |
| clearFocusPathOnWindow(w); |
| } |
| |
| void globalClearFocusPath(Widget focusOwnerShell ) { |
| if (focusProxyWindow != None) { |
| Window shellWindow = findShellByProxy(trueFocusWindow); |
| if (shellWindow != None) { |
| Widget shell = XtWindowToWidget(awt_display, shellWindow); |
| if (shell != NULL && shell != focusOwnerShell) { |
| clearFocusPath(shell); |
| } |
| } |
| } |
| } |
| |
| static void |
| focusEventForProxy(XEvent xev, |
| JNIEnv *env, |
| Window *trueFocusWindow, |
| Window *focusProxyWindow) { |
| |
| DASSERT (trueFocusWindow != NULL && focusProxyWindow != NULL); |
| if (xev.type == FocusOut) { |
| if (xev.xfocus.window == *focusProxyWindow) { |
| if (*trueFocusWindow != None) { |
| Window root = rootWindow(*trueFocusWindow); |
| focusOutEvent.xfocus.window = *trueFocusWindow; |
| #ifdef DEBUG_FOCUS |
| printf(" nulling out proxy; putting back event" |
| "\n"); |
| #endif |
| |
| while (focusOutEvent.xfocus.window != root && |
| focusOutEvent.xfocus.window != None) { |
| Widget w = XtWindowToWidget(awt_display, |
| focusOutEvent.xfocus.window); |
| awt_put_back_event(env, &focusOutEvent); |
| if (w != NULL && XtParent(w) != NULL) { |
| focusOutEvent.xfocus.window = XtWindow(XtParent(w)); |
| } else { |
| focusOutEvent.xfocus.window = None; |
| } |
| } |
| *trueFocusWindow = None; |
| *focusProxyWindow = None; |
| return; |
| } else { |
| #ifdef DEBUG_FOCUS |
| printf("\n"); |
| #endif |
| return; |
| } |
| } else { |
| #ifdef DEBUG_FOCUS |
| printf("\n"); |
| #endif |
| return; |
| } |
| } |
| } |
| |
| static void |
| focusEventForFrame(XEvent xev, Window focusProxyWindow) { |
| if (xev.type == FocusIn) { |
| if (focusProxyWindow != None) { |
| /* eat it */ |
| return; |
| } else /* FocusIn on Frame or Dialog */ { |
| XtDispatchEvent(&xev); |
| } |
| } else /* FocusOut on Frame or Dialog */{ |
| XtDispatchEvent(&xev); |
| } |
| } |
| |
| static void |
| focusEventForWindow(XEvent xev, JNIEnv *env, Window *trueFocusWindow, |
| Window *focusProxyWindow, jobject target) { |
| XEvent pev; |
| if (xev.type == FocusIn && xev.xfocus.mode == NotifyNormal) { |
| /* If it's a FocusIn, allow it to process, then set |
| focus to focus proxy */ |
| Widget focusProxy; |
| focusProxy = findWindowsProxy(target, env); |
| if (focusProxy != NULL) { |
| XtDispatchEvent(&xev); |
| *focusProxyWindow = XtWindow(focusProxy); |
| |
| XSetInputFocus(awt_display, *focusProxyWindow, |
| RevertToParent, |
| CurrentTime); |
| |
| XPeekEvent(awt_display, &pev); |
| while (pev.type == FocusIn) { |
| XNextEvent(awt_display, &xev); |
| XPeekEvent(awt_display, &pev); |
| } |
| *trueFocusWindow = xev.xany.window; |
| |
| } /* otherwise error */ |
| } else /* FocusOut */ { |
| /* If it's a FocusOut on a Window, discard it unless |
| it's an event generated by us. */ |
| if (xev.xany.send_event) { |
| XtDispatchEvent(&xev); |
| } |
| } |
| } |
| |
| Boolean |
| isAncestor(Window ancestor, Window child) { |
| Window *children; |
| uint32_t nchildren; |
| Boolean retvalue = False; |
| |
| while (child != ancestor) { |
| Window parent, root; |
| Status status; |
| |
| status = XQueryTree(awt_display, child, &root, &parent, |
| &children, &nchildren); |
| if (status == 0) return False; /* should be an error of some sort? */ |
| |
| if (parent == root) { |
| if (child != ancestor) { |
| retvalue = False; |
| break; |
| } else { |
| retvalue = True; |
| break; |
| } |
| } |
| if (parent == ancestor) { retvalue = True; break; } |
| if (nchildren > 0) XFree(children); |
| child = parent; |
| } |
| if (nchildren > 0) XFree(children); |
| return retvalue; |
| } |
| |
| /** |
| * Returns focusability of the corresponding Java Window object |
| */ |
| Boolean |
| isFocusableWindow(Window w) { |
| Widget wid = NULL; |
| JNIEnv *env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| |
| wid = XtWindowToWidget(awt_display, w); |
| while (wid != NULL && !XtIsShell(wid)) { |
| wid = XtParent(wid); |
| } |
| |
| // If the window doesn't have shell consider it focusable as all windows |
| // are focusable by default |
| if (wid == NULL) return True; |
| |
| return isFocusableWindowByShell(env, wid); |
| } |
| |
| void postUngrabEvent(Widget shell) { |
| JNIEnv *env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| Widget canvas = findTopLevelByShell(shell); |
| if (canvas != NULL) { |
| jobject peer = findPeer(&canvas); |
| if (peer != NULL) { |
| JNU_CallMethodByName(env, NULL, peer, "postUngrabEvent", "()V", NULL); |
| } |
| } |
| } |
| |
| Boolean eventInsideGrabbed(XEvent * ev) { |
| if (grabbed_widget == NULL) { |
| return False; |
| } |
| |
| switch (ev->xany.type) { |
| case LeaveNotify: |
| case ButtonPress: |
| case ButtonRelease: |
| case MotionNotify: |
| case EnterNotify: |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| Widget grab = findTopLevelByShell(grabbed_widget); |
| if (grab != NULL) { |
| jobject peer = findPeer(&grab); |
| Widget target = XtWindowToWidget(awt_display, ev->xbutton.window); |
| jobject targetPeer = findPeer(&target); |
| if (peer != NULL) { |
| return JNU_CallMethodByName(env, NULL, peer, "processUngrabMouseEvent", "(Lsun/awt/motif/MComponentPeer;III)Z", |
| targetPeer, ev->xbutton.x_root, ev->xbutton.y_root, |
| ev->xany.type, NULL).z; |
| } |
| } |
| return False; |
| } |
| case FocusOut: |
| if (ev->xfocus.window == XtWindow(grabbed_widget) || |
| isAncestor(XtWindow(grabbed_widget), ev->xfocus.window)) |
| { |
| postUngrabEvent(grabbed_widget); |
| return True; |
| } |
| default: |
| return True; |
| } |
| } |
| |
| /** |
| * Processes and removes one X/Xt event from the Xt event queue. |
| * Handles events pushed back via awt_put_back_event() FIRST, |
| * then new events on the X queue |
| */ |
| static void |
| processOneEvent(XtInputMask iMask) { |
| XEvent xev; |
| Boolean haveEvent = False; |
| if (putbackQueueCount > 0) { |
| // There is a pushed-back event - handle it first |
| if (awt_get_next_put_back_event(&xev) == 0) { |
| if (xev.xany.send_event != SPECIAL_KEY_EVENT) { |
| #ifdef DEBUG_FOCUS |
| if (xev.type == FocusOut) { |
| printf("putback FocusOut on window %d, mode %d, " |
| "detail %d, send_event %d\n", |
| xev.xfocus.window, xev.xfocus.mode, |
| xev.xfocus.detail, xev.xfocus.send_event); |
| } |
| #endif |
| eventNumber++; |
| XtDispatchEvent(&xev); |
| return; |
| } else { |
| haveEvent = True; |
| } |
| } |
| } |
| |
| if (haveEvent || XtAppPeekEvent(awt_appContext, &xev)) { |
| /* |
| * Fix for BugTraq ID 4041235, 4100167: |
| * First check that the event still has a widget, because |
| * the widget may have been destroyed by another thread. |
| */ |
| Widget widget=XtWindowToWidget(awt_display, xev.xany.window); |
| eventNumber++; |
| #ifdef __linux__ |
| statusWindowEventHandler(xev); |
| #endif |
| xembed_eventHandler(&xev); |
| xembed_serverEventHandler(&xev); |
| syncWait_eventHandler(&xev); |
| |
| if (!haveEvent && awt_dnd_process_event(&xev)) { |
| return; |
| } |
| |
| if ((widget == NULL) || (!XtIsObject(widget)) || |
| (widget->core.being_destroyed)) { |
| /* |
| * if we get here, the event could be one of |
| * the following: |
| * - notification that a "container" of |
| * any of our embedded frame has been moved |
| * - event understandable by XFilterEvent |
| * - for one of our old widget which has gone away |
| */ |
| XNextEvent(awt_display, &xev); |
| |
| if (widget == NULL) { |
| /* an embedded frame container has been moved? */ |
| if (awt_util_processEventForEmbeddedFrame(&xev)) { |
| return; |
| } |
| |
| /* manager selections related event? */ |
| if (awt_mgrsel_processEvent(&xev)) { |
| return; |
| } |
| } |
| |
| /* |
| * Fix for BugTraq ID 4196573: |
| * Call XFilterEvent() to give a chance to X Input |
| * Method to process this event before being |
| * discarded. |
| */ |
| (void) XFilterEvent(&xev, NULL); |
| return; |
| } |
| |
| /* There is an X event on the queue. */ |
| switch (xev.type) { |
| case KeyPress: |
| case KeyRelease: |
| case ButtonPress: |
| case ButtonRelease: |
| case MotionNotify: |
| case EnterNotify: |
| case LeaveNotify: |
| /* Fix for BugTraq ID 4048060. Dispatch scrolling events |
| immediately to the ScrollBar widget to prevent spurious |
| continuous scrolling. Otherwise, if the application is busy, |
| the ButtonRelease event is not dispatched in time to prevent |
| a ScrollBar timeout from expiring, and restarting the |
| continuous scrolling timer. |
| */ |
| if ((xev.type == ButtonPress || |
| xev.type == ButtonRelease || |
| (xev.type == MotionNotify && |
| (xev.xmotion.state == Button1Mask || |
| xev.xmotion.state == Button2Mask || |
| xev.xmotion.state == Button3Mask))) && |
| (XtIsSubclass(widget, xmScrollBarWidgetClass))) { |
| /* Use XNextEvent instead of XtAppNextEvent, because |
| XtAppNextEvent processes timers before getting the next X |
| event, causing a race condition, since the TimerEvent |
| callback in the ScrollBar widget restarts the continuous |
| scrolling timer. |
| */ |
| XNextEvent(awt_display, &xev); |
| |
| XtDispatchEvent(&xev); |
| XSync(awt_display, False); |
| |
| // This is the event on scrollbar. Key, Motion, |
| // Enter/Leave dispatch as usual, Button should |
| // generate Ungrab after Java mouse event |
| if (xev.type == ButtonPress && grabbed_widget != NULL) { |
| eventInsideGrabbed(&xev); |
| } |
| } |
| else { |
| if (!haveEvent) XtAppNextEvent(awt_appContext, &xev); |
| |
| // This is an event on one of our widgets. Key, |
| // Motion, Enter/Leave dispatch as usual, Button |
| // should generate Ungrab after Java mouse event |
| /* if (grabbed_widget != NULL && !eventInsideGrabbed(&xev)) { */ |
| /* return; */ |
| /* } */ |
| |
| if (xev.type == ButtonPress) { |
| Window window = findShellByProxy(xev.xbutton.window); |
| if (window != None) { |
| XWindowAttributes winAttr; |
| memset(&winAttr, 0, sizeof(XWindowAttributes)); |
| XGetWindowAttributes(awt_display, window, &winAttr); |
| if (winAttr.override_redirect == TRUE && isFocusableWindow(window)) { |
| XSetInputFocus(awt_display, window, RevertToPointerRoot, CurrentTime); |
| } |
| } |
| } |
| if(xev.type == KeyPress) { |
| #ifdef DEBUG_FOCUS |
| printf("KeyPress on window %d\n", xev.xany.window); |
| #endif |
| } |
| |
| /* this could be moved to shouldDispatchToWidget */ |
| /* if there is a proxy in effect, dispatch key events |
| through the proxy */ |
| if ((xev.type == KeyPress || xev.type == KeyRelease) && |
| !keyboardGrabbed && !haveEvent) { |
| if (focusProxyWindow != None) { |
| Widget widget; |
| struct WidgetInfo *winfo; |
| Boolean cont; |
| /* Key event should be posted to the top-level |
| widget of the proxy */ |
| xev.xany.window = proxyTopLevel(focusProxyWindow); |
| widget = XtWindowToWidget(awt_display, |
| xev.xany.window); |
| if (widget == NULL) return; |
| if ((winfo = findWidgetInfo(widget)) == NULL) { |
| return; |
| } |
| awt_canvas_handleEvent(widget, winfo->peer, &xev, |
| winfo, &cont, TRUE); |
| return; |
| } |
| } |
| if (!shouldDispatchToWidget(&xev)) { |
| XtDispatchEvent(&xev); |
| } |
| |
| // See comment above - "after time" is here. |
| if (grabbed_widget != NULL && xev.type == ButtonPress) { |
| eventInsideGrabbed(&xev); |
| } |
| } |
| |
| |
| break; |
| |
| case FocusIn: |
| case FocusOut: { |
| void *peer; |
| jobject target; |
| |
| JNIEnv *env = (JNIEnv *) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| |
| #ifdef DEBUG_FOCUS |
| if (xev.type == FocusIn) { |
| |
| fprintf(stderr, "FocusIn on window %x, mode %d, detail %d, " |
| "send_event %d\n", xev.xfocus.window, |
| xev.xfocus.mode, xev.xfocus.detail, |
| xev.xfocus.send_event); |
| } else { |
| fprintf(stderr, "FocusOut on window %x, mode %d, detail %d, " |
| "send_event %d\n", xev.xfocus.window, |
| xev.xfocus.mode, xev.xfocus.detail, |
| xev.xfocus.send_event); |
| } |
| #endif |
| XtAppNextEvent(awt_appContext, &xev); |
| |
| if (xev.xfocus.detail == NotifyVirtual || |
| xev.xfocus.detail == NotifyNonlinearVirtual) { |
| #ifdef DEBUG_FOCUS |
| printf("discarding\n"); |
| #endif |
| return; |
| } |
| |
| // Check for xembed on this window. If it is active and this is not XEmbed focus |
| // event(send_event = 0) then we should skip it |
| if (isXEmbedActiveByWindow(xev.xfocus.window) && !xev.xfocus.send_event) { |
| return; |
| } |
| |
| /* In general, we need to to block out focus events |
| that are caused by keybaord grabs initiated by |
| dragging the title bar or the scrollbar. But we |
| need to let through the ones that are aimed at |
| choice boxes or menus. So we keep track of when |
| the keyboard is grabbed by a popup. */ |
| |
| if (awt_isAwtMenuWidget(widget)) { |
| if (xev.type == FocusIn && |
| xev.xfocus.mode == NotifyGrab) { |
| extern Boolean poppingDown; |
| if (!poppingDown) { |
| keyboardGrabbed = True; |
| } |
| } else /* FocusOut */ { |
| if (xev.type == FocusOut && |
| xev.xfocus.mode == NotifyUngrab) { |
| keyboardGrabbed = False; |
| } |
| } |
| } |
| |
| if (focusProxyWindow != None) { |
| #ifdef DEBUG_FOCUS |
| printf("non-null proxy; proxy = %d ", focusProxyWindow); |
| #endif |
| if (trueFocusWindow != None) { |
| /* trueFocusWindow should never be None here, but if |
| things ever get skewed, we want to be able to |
| recover rather than crash */ |
| focusEventForProxy(xev, env, &trueFocusWindow, |
| &focusProxyWindow); |
| return; |
| } else { |
| /* beartrap -- remove before shipping */ |
| /* printf("trueFocusWindow None in processOneEvent;\n"); */ |
| /* printf("Please file a bug\n"); */ |
| } |
| } |
| |
| peer = findPeer(&widget); |
| if (peer == NULL) { |
| #ifdef DEBUG_FOCUS |
| printf("null peer -- shouldn't see in java handler\n"); |
| #endif |
| XtDispatchEvent(&xev); |
| return; |
| } |
| |
| /* Find the top-level component */ |
| |
| if ((*env)->EnsureLocalCapacity(env, 1) < 0) { |
| return; |
| } |
| target = findTopLevel(peer, env); |
| if (target == NULL) { |
| JNU_ThrowNullPointerException(env, "component without a " |
| "window"); |
| return; |
| } |
| |
| if (isFrameOrDialog(target, env)) { |
| #ifdef DEBUG_FOCUS |
| printf("Focus event directed at a frame; frame = %d\n", |
| xev.xany.window); |
| #endif |
| focusEventForFrame(xev, focusProxyWindow); |
| (*env)->DeleteLocalRef(env, target); |
| return; |
| } else { |
| #ifdef DEBUG_FOCUS |
| printf("Focus event directed at a window; window = %d\n", |
| xev.xany.window); |
| #endif |
| focusEventForWindow(xev, env, &trueFocusWindow, |
| &focusProxyWindow, target); |
| (*env)->DeleteLocalRef(env, target); |
| return; |
| } |
| } |
| |
| case UnmapNotify: |
| #ifdef DEBUG_FOCUS |
| printf("Unmap on window %d\n", xev.xany.window); |
| printf("True focus window is %d\n", trueFocusWindow); |
| #endif |
| clearFocusPathOnWindow(xev.xunmap.window); |
| |
| default: |
| XtAppProcessEvent(awt_appContext, iMask); |
| break; |
| } |
| } |
| else { |
| /* There must be a timer, alternate input, or signal event. */ |
| XtAppProcessEvent(awt_appContext, iMask & ~XtIMXEvent); |
| } |
| |
| /* |
| ** Bug #4361799: Forte4J sometimes crashes on Solaris: |
| ** There is an underlying bug in Selection.c in Xt lib. |
| ** The routine HandleSelectionEvents, can call EndProtectedSection() |
| ** more than StartProtectedSection(), and then EndProtectedSection |
| ** will restore the default XError handler. As a result awt's |
| ** XError handler gets removed and we later crash on an XError. |
| ** |
| ** This happens when we call XtAppProcessEvent with event type 1e |
| ** (SelectionRequest) when running two copies of Forte |
| ** |
| ** XSetErrorHandler can safely be called repeatedly, so we are |
| ** fixing this with the sledgehammer, and resetting our XError |
| ** handler every time through the loop: |
| */ |
| { |
| extern int32_t xerror_handler(); |
| XSetErrorHandler(xerror_handler); |
| } |
| |
| } /* processOneEvent() */ |
| |
| /* |
| * Waits for X/Xt events to appear on the pipe. Returns only when |
| * it is likely (but not definite) that there are events waiting to |
| * be processed. |
| * |
| * This routine also flushes the outgoing X queue, when the |
| * awt_next_flush_time has been reached. |
| * |
| * If fdAWTPipe is greater or equal than zero the routine also |
| * checks if there are events pending on the putback queue. |
| */ |
| void |
| waitForEvents(JNIEnv *env, int32_t fdXPipe, int32_t fdAWTPipe) { |
| |
| while ((fdAWTPipe >= 0 && awt_events_pending(awt_appContext) == 0) || |
| (fdAWTPipe < 0 && XtAppPending(awt_appContext) == 0)) { |
| #ifdef USE_SELECT |
| performSelect(env,fdXPipe,fdAWTPipe); |
| #else |
| performPoll(env,fdXPipe,fdAWTPipe); |
| #endif |
| if ((awt_next_flush_time > 0) && |
| (awtJNI_TimeMillis() > awt_next_flush_time)) { |
| AWT_FLUSHOUTPUT_NOW(); |
| } |
| } /* end while awt_events_pending() == 0 */ |
| } /* waitForEvents() */ |
| |
| /************************************************************************* |
| ** ** |
| ** WE USE EITHER select() OR poll(), DEPENDING ON THE USE_SELECT ** |
| ** COMPILE-TIME CONSTANT. ** |
| ** ** |
| *************************************************************************/ |
| |
| #ifdef USE_SELECT |
| |
| static struct fd_set rdset; |
| struct timeval sel_time; |
| |
| /* |
| * Performs select() on both the X pipe and our AWT utility pipe. |
| * Returns when data arrives or the operation times out. |
| * |
| * Not all Xt events come across the X pipe (e.g., timers |
| * and alternate inputs), so we must time out every now and |
| * then to check the Xt event queue. |
| * |
| * The fdAWTPipe will be empty when this returns. |
| */ |
| static void |
| performSelect(JNIEnv *env, int32_t fdXPipe, int32_t fdAWTPipe) { |
| |
| int32_t result; |
| int32_t count; |
| int32_t nfds = 1; |
| uint32_t timeout = awt_get_poll_timeout(False); |
| |
| /* Fixed 4250354 7/28/99 ssi@sparc.spb.su |
| * Cleaning up Global Refs in case of No Events |
| */ |
| awtJNI_CleanupGlobalRefs(); |
| |
| FD_ZERO( &rdset ); |
| FD_SET(fdXPipe, &rdset); |
| if (fdAWTPipe >= 0) { |
| nfds++; |
| FD_SET(fdAWTPipe, &rdset); |
| } |
| if (timeout == 0) { |
| // be sure other threads get a chance |
| awtJNI_ThreadYield(env); |
| } |
| // set the appropriate time values. The DASSERT() in |
| // MToolkit_run() makes sure that this will not overflow |
| sel_time.tv_sec = (timeout * 1000) / (1000 * 1000); |
| sel_time.tv_usec = (timeout * 1000) % (1000 * 1000); |
| AWT_NOFLUSH_UNLOCK(); |
| result = select(nfds, &rdset, 0, 0, &sel_time); |
| AWT_LOCK(); |
| |
| /* reset tick if this was not a time out */ |
| if (result == 0) { |
| /* select() timed out -- update timeout value */ |
| awt_get_poll_timeout(True); |
| } |
| if (fdAWTPipe >= 0 && FD_ISSET ( fdAWTPipe, &rdset ) ) |
| { |
| /* There is data on the AWT pipe - empty it */ |
| do { |
| count = read(fdAWTPipe, read_buf, AWT_POLL_BUFSIZE ); |
| } while (count == AWT_POLL_BUFSIZE ); |
| } |
| } /* performSelect() */ |
| |
| #else /* !USE_SELECT */ |
| |
| /* |
| * Polls both the X pipe and our AWT utility pipe. Returns |
| * when there is data on one of the pipes, or the operation times |
| * out. |
| * |
| * Not all Xt events come across the X pipe (e.g., timers |
| * and alternate inputs), so we must time out every now and |
| * then to check the Xt event queue. |
| * |
| * The fdAWTPipe will be empty when this returns. |
| */ |
| static void |
| performPoll(JNIEnv *env, int32_t fdXPipe, int32_t fdAWTPipe) { |
| |
| static struct pollfd pollFds[2]; |
| uint32_t timeout = awt_get_poll_timeout(False); |
| int32_t result; |
| int32_t count; |
| |
| /* Fixed 4250354 7/28/99 ssi@sparc.spb.su |
| * Cleaning up Global Refs in case of No Events |
| */ |
| awtJNI_CleanupGlobalRefs(); |
| |
| pollFds[0].fd = fdXPipe; |
| pollFds[0].events = POLLRDNORM; |
| pollFds[0].revents = 0; |
| |
| pollFds[1].fd = fdAWTPipe; |
| pollFds[1].events = POLLRDNORM; |
| pollFds[1].revents = 0; |
| |
| AWT_NOFLUSH_UNLOCK(); |
| |
| /* print the poll timeout time in brackets */ |
| DTRACE_PRINT1("[%dms]",(int32_t)timeout); |
| #ifdef DEBUG |
| if (++debugPrintLineCount > 8) { |
| DTRACE_PRINTLN(""); |
| debugPrintLineCount = 0; |
| } |
| #endif |
| /* ACTUALLY DO THE POLL() */ |
| if (timeout == 0) { |
| // be sure other threads get a chance |
| awtJNI_ThreadYield(env); |
| } |
| result = poll( pollFds, 2, (int32_t) timeout ); |
| |
| #ifdef DEBUG |
| DTRACE_PRINT1("[poll()->%d]", result); |
| if (++debugPrintLineCount > 8) { |
| DTRACE_PRINTLN(""); |
| debugPrintLineCount = 0; |
| } |
| #endif |
| AWT_LOCK(); |
| if (result == 0) { |
| /* poll() timed out -- update timeout value */ |
| awt_get_poll_timeout(True); |
| } |
| if ( pollFds[1].revents ) |
| { |
| /* There is data on the AWT pipe - empty it */ |
| do { |
| count = read(AWT_READPIPE, read_buf, AWT_POLL_BUFSIZE ); |
| } while (count == AWT_POLL_BUFSIZE ); |
| DTRACE_PRINTLN1("wokeup on AWTPIPE, timeout:%d", timeout); |
| } |
| return; |
| |
| } /* performPoll() */ |
| |
| #endif /* !USE_SELECT */ |
| |
| /* |
| * Pushes an X event back on the queue to be handled |
| * later. |
| * |
| * Ignores the request if event is NULL |
| */ |
| void |
| awt_put_back_event(JNIEnv *env, XEvent *event) { |
| |
| Boolean addIt = True; |
| if (putbackQueueCount >= putbackQueueCapacity) { |
| /* not enough room - alloc 50% more space */ |
| int32_t newCapacity; |
| XEvent *newQueue; |
| newCapacity = putbackQueueCapacity * 3 / 2; |
| if ((newCapacity - putbackQueueCapacity) |
| < PUTBACK_QUEUE_MIN_INCREMENT) { |
| /* always increase by at least min increment */ |
| newCapacity = putbackQueueCapacity + PUTBACK_QUEUE_MIN_INCREMENT; |
| } |
| newQueue = (XEvent*)realloc( |
| putbackQueue, newCapacity*(sizeof(XEvent))); |
| if (newQueue == NULL) { |
| JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError"); |
| addIt = False; |
| } else { |
| putbackQueue = newQueue; |
| putbackQueueCapacity = newCapacity; |
| } |
| } |
| if (addIt) { |
| char oneChar = 'p'; |
| memcpy(&(putbackQueue[putbackQueueCount]), event, sizeof(XEvent)); |
| putbackQueueCount++; |
| |
| // wake up the event loop, if it's sleeping |
| write (AWT_WRITEPIPE, &oneChar, 1); |
| } |
| |
| return; |
| } /* awt_put_back_event() */ |
| |
| /* |
| * Gets the next event that has been pushed back onto the queue. |
| * Returns 0 and fills in xev_out if successful |
| */ |
| static int32_t |
| awt_get_next_put_back_event(XEvent *xev_out) { |
| |
| Boolean err = False; |
| if (putbackQueueCount < 1) { |
| err = True; |
| } else { |
| memcpy(xev_out, &(putbackQueue[0]), sizeof(XEvent)); |
| } |
| if (!err) { |
| /* remove it from the queue */ |
| if (putbackQueueCount == 1) { |
| |
| // queue is now empty |
| if (putbackQueueCapacity > PUTBACK_QUEUE_MIN_INCREMENT) { |
| |
| /* Too much space -- delete it and rebuild later */ |
| free(putbackQueue); |
| putbackQueue = NULL; |
| putbackQueueCapacity = 0; |
| } |
| } else { |
| /* more than 1 event in queue - shift all events to the left */ |
| /* We don't free the allocated memory until the queue |
| becomes empty, just 'cause it's easier that way. */ |
| /* NOTE: use memmove(), because the memory blocks overlap */ |
| memmove(&(putbackQueue[0]), &(putbackQueue[1]), |
| (putbackQueueCount-1)*sizeof(XEvent)); |
| } |
| --putbackQueueCount; |
| } |
| DASSERT(putbackQueueCount >= 0); |
| |
| return (err? -1:0); |
| |
| } /* awt_get_next_put_back_event() */ |
| |
| /** |
| * Determines whether or not there are X or Xt events pending. |
| * Looks at the putbackQueue. |
| */ |
| static XtInputMask |
| awt_events_pending(XtAppContext appContext) { |
| XtInputMask imask = 0L; |
| imask = XtAppPending(appContext); |
| if (putbackQueueCount > 0) { |
| imask |= XtIMXEvent; |
| } |
| return imask; |
| } |
| |
| |
| #ifndef NOMODALFIX |
| #define WIDGET_ARRAY_SIZE 5; |
| static int32_t arraySize = 0; |
| static int32_t arrayIndx = 0; |
| static Widget *dShells = NULL; |
| |
| void |
| awt_shellPoppedUp(Widget shell, |
| XtPointer modal, |
| XtPointer call_data) |
| { |
| if (arrayIndx == arraySize ) { |
| /* if we have not allocate an array, do it first */ |
| if (arraySize == 0) { |
| arraySize += WIDGET_ARRAY_SIZE; |
| dShells = (Widget *) malloc(sizeof(Widget) * arraySize); |
| } else { |
| arraySize += WIDGET_ARRAY_SIZE; |
| dShells = (Widget *) realloc((void *)dShells, sizeof(Widget) * arraySize); |
| } |
| } |
| |
| dShells[arrayIndx] = shell; |
| arrayIndx++; |
| } |
| |
| void |
| awt_shellPoppedDown(Widget shell, |
| XtPointer modal, |
| XtPointer call_data) |
| { |
| arrayIndx--; |
| |
| if (dShells[arrayIndx] == shell) { |
| dShells[arrayIndx] = NULL; |
| return; |
| } else { |
| int32_t i; |
| |
| /* find the position of the shell in the array */ |
| for (i = arrayIndx; i >= 0; i--) { |
| if (dShells[i] == shell) { |
| break; |
| } |
| } |
| |
| /* remove the found element */ |
| while (i <= arrayIndx-1) { |
| dShells[i] = dShells[i+1]; |
| i++; |
| } |
| } |
| } |
| |
| Boolean |
| awt_isWidgetModal(Widget widget) |
| { |
| Widget w; |
| |
| for (w = widget; !XtIsShell(w); w = XtParent(w)) { } |
| |
| while (w != NULL) { |
| if (w == dShells[arrayIndx-1]) { |
| return True; |
| } |
| w = XtParent(w); |
| } |
| return False; |
| } |
| |
| Boolean |
| awt_isModal() |
| { |
| return (arrayIndx > 0); |
| } |
| #endif // NOMODALFIX |
| |
| |
| /* |
| * Simply waits for terminateFn() to return True. Waits on the |
| * awt lock and is notified to check its state by the main event |
| * loop whenever the Xt event queue is empty. |
| * |
| * NOTE: when you use this routine check if it can be called on the event |
| * dispatch thread during drag-n-drop operation and update |
| * secondary_loop_event() predicate to prevent deadlock. |
| */ |
| void |
| awt_MToolkit_modalWait(int32_t (*terminateFn) (void *data), void *data ) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| |
| AWT_LOCK(); |
| AWT_FLUSHOUTPUT_NOW(); |
| while ((*terminateFn) (data) == 0) { |
| AWT_WAIT(AWT_MAX_POLL_TIMEOUT); |
| if ((*env)->ExceptionCheck(env)) { |
| (*env)->ExceptionClear(env); |
| break; |
| } |
| } |
| AWT_NOTIFY_ALL(); |
| AWT_UNLOCK(); |
| } |
| |
| static uint32_t |
| colorToRGB(XColor * color) |
| { |
| int32_t rgb = 0; |
| |
| rgb |= ((color->red >> 8) << 16); |
| rgb |= ((color->green >> 8) << 8); |
| rgb |= ((color->blue >> 8) << 0); |
| |
| return rgb; |
| } |
| |
| /* |
| * fix for bug #4088106 - ugly text boxes and grayed out looking text |
| */ |
| |
| XmColorProc oldColorProc; |
| |
| void |
| ColorProc(XColor* bg_color, |
| XColor* fg_color, |
| XColor* sel_color, |
| XColor* ts_color, |
| XColor* bs_color) |
| { |
| unsigned long plane_masks[1]; |
| unsigned long colors[5]; |
| |
| AwtGraphicsConfigDataPtr defaultConfig = |
| getDefaultConfig(DefaultScreen(awt_display)); |
| |
| /* use the default procedure to calculate colors */ |
| oldColorProc(bg_color, fg_color, sel_color, ts_color, bs_color); |
| |
| /* check if there is enought free color cells */ |
| if (XAllocColorCells(awt_display, defaultConfig->awt_cmap, False, |
| plane_masks, 0, colors, 5)) { |
| XFreeColors(awt_display, defaultConfig->awt_cmap, colors, 5, 0); |
| return; |
| } |
| |
| /* find the closest matches currently available */ |
| fg_color->pixel = defaultConfig->AwtColorMatch(fg_color->red >> 8, |
| fg_color->green >> 8, |
| fg_color->blue >> 8, |
| defaultConfig); |
| fg_color->flags = DoRed | DoGreen | DoBlue; |
| XQueryColor(awt_display, defaultConfig->awt_cmap, fg_color); |
| sel_color->pixel = defaultConfig->AwtColorMatch(sel_color->red >> 8, |
| sel_color->green >> 8, |
| sel_color->blue >> 8, |
| defaultConfig); |
| sel_color->flags = DoRed | DoGreen | DoBlue; |
| XQueryColor(awt_display, defaultConfig->awt_cmap, sel_color); |
| ts_color->pixel = defaultConfig->AwtColorMatch(ts_color->red >> 8, |
| ts_color->green >> 8, |
| ts_color->blue >> 8, |
| defaultConfig); |
| ts_color->flags = DoRed | DoGreen | DoBlue; |
| XQueryColor(awt_display, defaultConfig->awt_cmap, ts_color); |
| bs_color->pixel = defaultConfig->AwtColorMatch(bs_color->red >> 8, |
| bs_color->green >> 8, |
| bs_color->blue >> 8, |
| defaultConfig); |
| bs_color->flags = DoRed | DoGreen | DoBlue; |
| XQueryColor(awt_display, defaultConfig->awt_cmap, bs_color); |
| } |
| |
| |
| /* |
| * Read _XSETTINGS_SETTINGS property from _XSETTINGS selection owner |
| * and pass its value to the java world for processing. |
| */ |
| /*static*/ void |
| awt_xsettings_update(int scr, Window owner, void *cookie) |
| { |
| Display *dpy = awt_display; |
| int status; |
| |
| JNIEnv *env; |
| jobject mtoolkit; |
| jmethodID upcall; |
| jbyteArray array; |
| |
| struct xsettings_callback_cookie *upcall_cookie = cookie; |
| |
| /* Returns of XGetWindowProperty */ |
| Atom actual_type; |
| int actual_format; |
| unsigned long nitems; |
| unsigned long bytes_after; |
| unsigned char *xsettings; |
| |
| DTRACE_PRINTLN2("XS: update screen %d, owner 0x%08lx", |
| scr, owner); |
| |
| #if 1 /* XXX: kludge */ |
| /* |
| * As toolkit cannot yet cope with per-screen desktop properties, |
| * only report XSETTINGS changes on the default screen. This |
| * should be "good enough" for most cases. |
| */ |
| if (scr != DefaultScreen(dpy)) { |
| DTRACE_PRINTLN2("XS: XXX: default screen is %d, update is for %d, ignoring", DefaultScreen(dpy), scr); |
| return; |
| } |
| #endif /* kludge */ |
| |
| env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| DASSERT(env != NULL); |
| |
| DASSERT(upcall_cookie != NULL); |
| mtoolkit = upcall_cookie->mtoolkit; |
| upcall = upcall_cookie->upcallMID; |
| |
| DASSERT(!JNU_IsNull(env, mtoolkit)); |
| DASSERT(upcall != NULL); |
| |
| /* |
| * XXX: move awt_getPropertyFOO from awt_wm.c to awt_util.c and |
| * use the appropriate one. |
| */ |
| status = XGetWindowProperty(dpy, owner, |
| _XA_XSETTINGS_SETTINGS, 0, 0xFFFF, False, |
| _XA_XSETTINGS_SETTINGS, |
| &actual_type, &actual_format, &nitems, &bytes_after, |
| &xsettings); |
| |
| if (status != Success) { |
| DTRACE_PRINTLN("XS: unable to read _XSETTINGS"); |
| return; |
| } |
| |
| if (xsettings == NULL) { |
| DTRACE_PRINTLN("XS: reading _XSETTINGS, got NULL"); |
| return; |
| } |
| |
| if (actual_type != _XA_XSETTINGS_SETTINGS) { |
| XFree(xsettings); /* NULL data already catched above */ |
| DTRACE_PRINTLN("XS: _XSETTINGS_SETTINGS is not of type _XSETTINGS_SETTINGS"); |
| return; |
| } |
| |
| DTRACE_PRINTLN1("XS: read %lu bytes of _XSETTINGS_SETTINGS", |
| nitems); |
| |
| /* ok, propagate xsettings to the toolkit for processing */ |
| if ((*env)->EnsureLocalCapacity(env, 1) < 0) { |
| DTRACE_PRINTLN("XS: EnsureLocalCapacity failed"); |
| XFree(xsettings); |
| return; |
| } |
| |
| array = (*env)->NewByteArray(env, (jint)nitems); |
| if (JNU_IsNull(env, array)) { |
| DTRACE_PRINTLN("awt_xsettings_update: NewByteArray failed"); |
| XFree(xsettings); |
| return; |
| } |
| |
| (*env)->SetByteArrayRegion(env, array, 0, (jint)nitems, |
| (jbyte *)xsettings); |
| XFree(xsettings); |
| |
| (*env)->CallVoidMethod(env, mtoolkit, upcall, (jint)scr, array); |
| (*env)->DeleteLocalRef(env, array); |
| } |
| |
| |
| /* |
| * Event handler for events on XSETTINGS selection owner. |
| * We are interested in PropertyNotify only. |
| */ |
| static void |
| awt_xsettings_callback(int scr, XEvent *xev, void *cookie) |
| { |
| Display *dpy = awt_display; /* xev->xany.display */ |
| XPropertyEvent *ev; |
| |
| if (xev->type != PropertyNotify) { |
| DTRACE_PRINTLN2("XS: awt_xsettings_callback(%d) event %d ignored", |
| scr, xev->type); |
| return; |
| } |
| |
| ev = &xev->xproperty; |
| |
| if (ev->atom == None) { |
| DTRACE_PRINTLN("XS: awt_xsettings_callback(%d) atom == None"); |
| return; |
| } |
| |
| #ifdef DEBUG |
| { |
| char *name; |
| |
| DTRACE_PRINT2("XS: awt_xsettings_callback(%d) 0x%08lx ", |
| scr, ev->window); |
| name = XGetAtomName(dpy, ev->atom); |
| if (name == NULL) { |
| DTRACE_PRINT1("atom #%d", ev->atom); |
| } else { |
| DTRACE_PRINT1("%s", name); |
| XFree(name); |
| } |
| DTRACE_PRINTLN1(" %s", ev->state == PropertyNewValue ? |
| "changed" : "deleted"); |
| } |
| #endif |
| |
| if (ev->atom != _XA_XSETTINGS_SETTINGS) { |
| DTRACE_PRINTLN("XS: property != _XSETTINGS_SETTINGS ... ignoring"); |
| return; |
| } |
| |
| |
| if (ev->state == PropertyDelete) { |
| /* XXX: notify toolkit to reset to "defaults"? */ |
| return; |
| } |
| |
| awt_xsettings_update(scr, ev->window, cookie); |
| } |
| |
| |
| /* |
| * Owner of XSETTINGS selection changed on the given screen. |
| */ |
| static void |
| awt_xsettings_owner_callback(int scr, Window owner, long *data_unused, |
| void *cookie) |
| { |
| if (owner == None) { |
| DTRACE_PRINTLN("XS: awt_xsettings_owner_callback: owner = None"); |
| /* XXX: reset to defaults??? */ |
| return; |
| } |
| |
| DTRACE_PRINTLN1("XS: awt_xsettings_owner_callback: owner = 0x%08lx", |
| owner); |
| |
| awt_xsettings_update(scr, owner, cookie); |
| } |
| |
| /* |
| * Returns a reference to the class java.awt.Component. |
| */ |
| jclass |
| getComponentClass(JNIEnv *env) |
| { |
| static jclass componentCls = NULL; |
| |
| // get global reference of java/awt/Component class (run only once) |
| if (componentCls == NULL) { |
| jclass componentClsLocal = (*env)->FindClass(env, "java/awt/Component"); |
| DASSERT(componentClsLocal != NULL); |
| if (componentClsLocal == NULL) { |
| /* exception already thrown */ |
| return NULL; |
| } |
| componentCls = (jclass)(*env)->NewGlobalRef(env, componentClsLocal); |
| (*env)->DeleteLocalRef(env, componentClsLocal); |
| } |
| return componentCls; |
| } |
| |
| |
| /* |
| * Returns a reference to the class java.awt.MenuComponent. |
| */ |
| jclass |
| getMenuComponentClass(JNIEnv *env) |
| { |
| static jclass menuComponentCls = NULL; |
| |
| // get global reference of java/awt/MenuComponent class (run only once) |
| if (menuComponentCls == NULL) { |
| jclass menuComponentClsLocal = (*env)->FindClass(env, "java/awt/MenuComponent"); |
| DASSERT(menuComponentClsLocal != NULL); |
| if (menuComponentClsLocal == NULL) { |
| /* exception already thrown */ |
| return NULL; |
| } |
| menuComponentCls = (jclass)(*env)->NewGlobalRef(env, menuComponentClsLocal); |
| (*env)->DeleteLocalRef(env, menuComponentClsLocal); |
| } |
| return menuComponentCls; |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: init |
| * Signature: (Ljava/lang/String;)V |
| */ |
| JNIEXPORT void JNICALL |
| Java_sun_awt_motif_MToolkit_init(JNIEnv *env, jobject this, |
| jstring mainClassName) |
| { |
| char *appName = NULL; |
| char *mainChars = NULL; |
| |
| int32_t argc = 0; |
| char *argv[10] = { NULL }; |
| |
| /* |
| * Note: The MToolkit object depends on the static initializer |
| * of X11GraphicsEnvironment to initialize the connection to |
| * the X11 server. |
| */ |
| XFontStruct *xfont; |
| XmFontListEntry tmpFontListEntry; |
| char *multiclick_time_query; |
| AwtGraphicsConfigDataPtr defaultConfig = |
| getDefaultConfig(DefaultScreen(awt_display)); |
| AwtScreenDataPtr defaultScreen = |
| getScreenData(DefaultScreen(awt_display)); |
| |
| static String fallback_resources[] = |
| { |
| "*enableThinThickness: True", |
| "*XmFileSelectionBox.fileFilterStyle: XmFILTER_HIDDEN_FILES", |
| "*XmFileSelectionBox.pathMode: XmPATH_MODE_RELATIVE", |
| "*XmFileSelectionBox.resizePolicy: XmRESIZE_GROW", |
| "*XmFileSelectionBox*dirTextLabelString: Enter path or folder name:", |
| "*XmFileSelectionBox*applyLabelString: Update", |
| "*XmFileSelectionBox*selectionLabelString: Enter file name:", |
| "*XmFileSelectionBox*dirListLabelString: Folders", |
| NULL /* Must be NULL terminated */ |
| }; |
| |
| focusOutEvent.type = FocusOut; |
| focusOutEvent.xfocus.send_event = True; |
| focusOutEvent.xfocus.display = awt_display; |
| focusOutEvent.xfocus.mode = NotifyNormal; |
| focusOutEvent.xfocus.detail = NotifyNonlinear; |
| |
| /* Need to make sure this is deleted someplace! */ |
| AWT_LOCK(); |
| |
| XSetIOErrorHandler(xIOError); |
| |
| if (!XSupportsLocale()) { |
| jio_fprintf(stderr, |
| "current locale is not supported in X11, locale is set to C"); |
| setlocale(LC_ALL, "C"); |
| } |
| if (!XSetLocaleModifiers("")) { |
| jio_fprintf(stderr, "X locale modifiers are not supported, using default"); |
| } |
| #ifdef NETSCAPE |
| if (awt_init_xt) { |
| XtToolkitInitialize(); |
| } |
| #else |
| XtToolkitInitialize(); |
| #endif |
| |
| { |
| jclass fontConfigClass; |
| jmethodID methID; |
| jstring jFontList; |
| char *cFontRsrc; |
| char *cFontRsrc2; |
| |
| fontConfigClass = (*env)->FindClass(env, "sun/awt/motif/MFontConfiguration"); |
| methID = (*env)->GetStaticMethodID(env, fontConfigClass, |
| "getDefaultMotifFontSet", |
| "()Ljava/lang/String;"); |
| jFontList = (*env)->CallStaticObjectMethod(env, fontConfigClass, methID); |
| if (jFontList == NULL) { |
| motifFontList = |
| "-monotype-arial-regular-r-normal--*-140-*-*-p-*-iso8859-1"; |
| } else { |
| motifFontList = JNU_GetStringPlatformChars(env, jFontList, NULL); |
| } |
| |
| /* fprintf(stderr, "motifFontList: %s\n", motifFontList); */ |
| |
| cFontRsrc = malloc(strlen(motifFontList) + 20); |
| strcpy(cFontRsrc, "*fontList: "); |
| strcat(cFontRsrc, motifFontList); |
| cFontRsrc2 = malloc(strlen(motifFontList) + 20); |
| strcpy(cFontRsrc2, "*labelFontList: "); |
| strcat(cFontRsrc2, motifFontList); |
| |
| argc = 1; |
| argv[argc++] = "-xrm"; |
| argv[argc++] = cFontRsrc; |
| argv[argc++] = "-xrm"; |
| argv[argc++] = cFontRsrc2; |
| argv[argc++] = "-font"; |
| argv[argc++] = (char *)defaultMotifFont; |
| } |
| |
| awt_appContext = XtCreateApplicationContext(); |
| XtAppSetErrorHandler(awt_appContext, (XtErrorHandler) xtError); |
| XtAppSetFallbackResources(awt_appContext, fallback_resources); |
| |
| appName = NULL; |
| mainChars = NULL; |
| if (!JNU_IsNull(env, mainClassName)) { |
| mainChars = (char *)JNU_GetStringPlatformChars(env, mainClassName, NULL); |
| appName = mainChars; |
| } |
| if (appName == NULL || appName[0] == '\0') { |
| appName = "AWT"; |
| } |
| |
| XtDisplayInitialize(awt_appContext, awt_display, |
| appName, /* application name */ |
| appName, /* application class */ |
| NULL, 0, &argc, argv); |
| |
| /* Root shell widget that serves as a parent for all AWT top-levels. */ |
| awt_root_shell = XtVaAppCreateShell(appName, /* application name */ |
| appName, /* application class */ |
| applicationShellWidgetClass, |
| awt_display, |
| /* va_list */ |
| XmNmappedWhenManaged, False, |
| NULL); |
| XtRealizeWidget(awt_root_shell); |
| |
| if (mainChars != NULL) { |
| JNU_ReleaseStringPlatformChars(env, mainClassName, mainChars); |
| } |
| |
| awt_mgrsel_init(); |
| awt_wm_init(); |
| init_xembed(); |
| |
| /* |
| * Find the correct awt_multiclick_time to use. We normally |
| * would call XtMultiClickTime() and wouldn't have to do |
| * anything special, but because OpenWindows defines its own |
| * version (OpenWindows.MultiClickTimeout), we need to |
| * determine out which resource to use. |
| * |
| * We do this by searching in order for: |
| * |
| * 1) an explicit definition of multiClickTime |
| * (this is the resource that XtGetMultiClickTime uses) |
| * |
| * if that fails, search for: |
| * |
| * 2) an explicit definition of Openwindows.MultiClickTimeout |
| * |
| * if both searches fail: |
| * |
| * 3) use the fallback provided by XtGetMultiClickTime() |
| * (which is 200 milliseconds... I looked at the source :-) |
| * |
| */ |
| multiclick_time_query = XGetDefault(awt_display, "*", "multiClickTime"); |
| if (multiclick_time_query) { |
| awt_multiclick_time = XtGetMultiClickTime(awt_display); |
| } else { |
| multiclick_time_query = XGetDefault(awt_display, |
| "OpenWindows", "MultiClickTimeout"); |
| if (multiclick_time_query) { |
| /* Note: OpenWindows.MultiClickTimeout is in tenths of |
| a second, so we need to multiply by 100 to convert to |
| milliseconds */ |
| awt_multiclick_time = atoi(multiclick_time_query) * 100; |
| } else { |
| awt_multiclick_time = XtGetMultiClickTime(awt_display); |
| } |
| } |
| |
| /* |
| scrollBugWorkAround = |
| (strcmp(XServerVendor(awt_display), "Sun Microsystems, Inc.") == 0 |
| && XVendorRelease(awt_display) == 3400); |
| */ |
| scrollBugWorkAround = TRUE; |
| |
| /* |
| * Create the cursor for TextArea scrollbars... |
| */ |
| awt_scrollCursor = XCreateFontCursor(awt_display, XC_left_ptr); |
| |
| awt_defaultBg = defaultConfig->AwtColorMatch(200, 200, 200, defaultConfig); |
| awt_defaultFg = defaultScreen->blackpixel; |
| setup_modifier_map(awt_display); |
| |
| awt_initialize_DataTransferer(); |
| awt_initialize_Xm_DnD(awt_display); |
| |
| /* |
| * fix for bug #4088106 - ugly text boxes and grayed out looking text |
| */ |
| oldColorProc = XmGetColorCalculation(); |
| XmSetColorCalculation(ColorProc); |
| |
| AWT_UNLOCK(); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: run |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL Java_sun_awt_motif_MToolkit_run |
| (JNIEnv *env, jobject this) |
| { |
| /* |
| * in performSelect(), we multiply the timeout by 1000. Make sure |
| * that the maximum value will not cause an overflow. |
| */ |
| DASSERT(AWT_MAX_POLL_TIMEOUT <= (ULONG_MAX/1000)); |
| |
| awt_MainThread = (*env)->NewGlobalRef(env, awtJNI_GetCurrentThread(env)); |
| awt_MToolkit_loop(env); /* never returns */ |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: makeColorModel |
| * Signature: ()Ljava/awt/image/ColorModel; |
| */ |
| JNIEXPORT jobject JNICALL Java_sun_awt_motif_MToolkit_makeColorModel |
| (JNIEnv *env, jclass this) |
| { |
| AwtGraphicsConfigDataPtr defaultConfig = |
| getDefaultConfig(DefaultScreen(awt_display)); |
| |
| return awtJNI_GetColorModel(env, defaultConfig); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getScreenResolution |
| * Signature: ()I |
| */ |
| JNIEXPORT jint JNICALL Java_sun_awt_motif_MToolkit_getScreenResolution |
| (JNIEnv *env, jobject this) |
| { |
| return (jint) ((DisplayWidth(awt_display, DefaultScreen(awt_display)) |
| * 25.4) / |
| DisplayWidthMM(awt_display, DefaultScreen(awt_display))); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getScreenWidth |
| * Signature: ()I |
| */ |
| JNIEXPORT jint JNICALL Java_sun_awt_motif_MToolkit_getScreenWidth |
| (JNIEnv *env, jobject this) |
| { |
| return DisplayWidth(awt_display, DefaultScreen(awt_display)); |
| } |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getScreenHeight |
| * Signature: ()I |
| */ |
| JNIEXPORT jint JNICALL Java_sun_awt_motif_MToolkit_getScreenHeight |
| (JNIEnv *env, jobject this) |
| { |
| return DisplayHeight(awt_display, DefaultScreen(awt_display)); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: beep |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL Java_sun_awt_motif_MToolkit_beep |
| (JNIEnv *env, jobject this) |
| { |
| AWT_LOCK(); |
| XBell(awt_display, 0); |
| AWT_FLUSH_UNLOCK(); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: shutdown |
| * Signature: ()V |
| */ |
| |
| JNIEXPORT void JNICALL Java_sun_awt_motif_MToolkit_shutdown |
| (JNIEnv *env, jobject this) |
| { |
| X11SD_LibDispose(env); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getLockingKeyStateNative |
| * Signature: (I)B |
| */ |
| JNIEXPORT jboolean JNICALL Java_sun_awt_motif_MToolkit_getLockingKeyStateNative |
| (JNIEnv *env, jobject this, jint awtKey) |
| { |
| KeySym sym; |
| KeyCode keyCode; |
| uint32_t byteIndex; |
| uint32_t bitIndex; |
| char keyVector[32]; |
| |
| AWT_LOCK(); |
| |
| sym = awt_getX11KeySym(awtKey); |
| keyCode = XKeysymToKeycode(awt_display, sym); |
| if (sym == NoSymbol || keyCode == 0) { |
| JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", "Keyboard doesn't have requested key"); |
| AWT_UNLOCK(); |
| return False; |
| } |
| |
| byteIndex = (keyCode/8); |
| bitIndex = keyCode & 7; |
| XQueryKeymap(awt_display, keyVector); |
| |
| AWT_UNLOCK(); |
| |
| return (1 & (keyVector[byteIndex] >> bitIndex)); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: loadSystemColors |
| * Signature: ([I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_awt_motif_MToolkit_loadSystemColors |
| (JNIEnv *env, jobject this, jintArray systemColors) |
| { |
| Widget frame, panel, control, menu, text, scrollbar; |
| Colormap cmap; |
| Pixel bg, fg, highlight, shadow; |
| Pixel pixels[java_awt_SystemColor_NUM_COLORS]; |
| XColor *colorsPtr; |
| jint rgbColors[java_awt_SystemColor_NUM_COLORS]; |
| int32_t count = 0; |
| int32_t i, j; |
| Arg args[10]; |
| int32_t argc; |
| AwtGraphicsConfigDataPtr defaultConfig = |
| getDefaultConfig(DefaultScreen(awt_display)); |
| |
| AWT_LOCK(); |
| |
| /* |
| * initialize array of pixels |
| */ |
| for (i = 0; i < java_awt_SystemColor_NUM_COLORS; i++) { |
| pixels[i] = -1; |
| } |
| |
| /* |
| * Create phantom widgets in order to determine the default |
| * colors; this is somewhat inelegant, however it is the simplest |
| * and most reliable way to determine the system's default colors |
| * for objects. |
| */ |
| argc = 0; |
| XtSetArg(args[argc], XmNbuttonFontList, getMotifFontList()); argc++; |
| XtSetArg(args[argc], XmNlabelFontList, getMotifFontList()); argc++; |
| XtSetArg(args[argc], XmNtextFontList, getMotifFontList()); argc++; |
| frame = XtAppCreateShell("AWTColors", "XApplication", |
| vendorShellWidgetClass, |
| awt_display, |
| args, argc); |
| /* |
| XtSetMappedWhenManaged(frame, False); |
| XtRealizeWidget(frame); |
| */ |
| panel = XmCreateDrawingArea(frame, "awtPanelColor", NULL, 0); |
| argc = 0; |
| XtSetArg(args[argc], XmNfontList, getMotifFontList()); argc++; |
| control = XmCreatePushButton(panel, "awtControlColor", args, argc); |
| argc = 0; |
| XtSetArg(args[argc], XmNlabelFontList, getMotifFontList()); argc++; |
| XtSetArg(args[argc], XmNbuttonFontList, getMotifFontList()); argc++; |
| menu = XmCreatePulldownMenu(control, "awtColorMenu", args, argc); |
| argc = 0; |
| XtSetArg(args[argc], XmNfontList, getMotifFontList()); argc++; |
| text = XmCreateText(panel, "awtTextColor", args, argc); |
| scrollbar = XmCreateScrollBar(panel, "awtScrollbarColor", NULL, 0); |
| |
| XtVaGetValues(panel, |
| XmNbackground, &bg, |
| XmNforeground, &fg, |
| XmNcolormap, &cmap, |
| NULL); |
| |
| pixels[java_awt_SystemColor_WINDOW] = bg; |
| count++; |
| pixels[java_awt_SystemColor_INFO] = bg; |
| count++; |
| pixels[java_awt_SystemColor_WINDOW_TEXT] = fg; |
| count++; |
| pixels[java_awt_SystemColor_INFO_TEXT] = fg; |
| count++; |
| |
| XtVaGetValues(menu, |
| XmNbackground, &bg, |
| XmNforeground, &fg, |
| NULL); |
| |
| pixels[java_awt_SystemColor_MENU] = bg; |
| count++; |
| pixels[java_awt_SystemColor_MENU_TEXT] = fg; |
| count++; |
| |
| XtVaGetValues(text, |
| XmNbackground, &bg, |
| XmNforeground, &fg, |
| NULL); |
| |
| pixels[java_awt_SystemColor_TEXT] = bg; |
| count++; |
| pixels[java_awt_SystemColor_TEXT_TEXT] = fg; |
| count++; |
| pixels[java_awt_SystemColor_TEXT_HIGHLIGHT] = fg; |
| count++; |
| pixels[java_awt_SystemColor_TEXT_HIGHLIGHT_TEXT] = bg; |
| count++; |
| |
| XtVaGetValues(control, |
| XmNbackground, &bg, |
| XmNforeground, &fg, |
| XmNtopShadowColor, &highlight, |
| XmNbottomShadowColor, &shadow, |
| NULL); |
| |
| pixels[java_awt_SystemColor_CONTROL] = bg; |
| count++; |
| pixels[java_awt_SystemColor_CONTROL_TEXT] = fg; |
| count++; |
| pixels[java_awt_SystemColor_CONTROL_HIGHLIGHT] = highlight; |
| count++; |
| pixels[java_awt_SystemColor_CONTROL_LT_HIGHLIGHT] = highlight; |
| count++; |
| pixels[java_awt_SystemColor_CONTROL_SHADOW] = shadow; |
| count++; |
| pixels[java_awt_SystemColor_CONTROL_DK_SHADOW] = shadow; |
| count++; |
| |
| XtVaGetValues(scrollbar, |
| XmNbackground, &bg, |
| NULL); |
| pixels[java_awt_SystemColor_SCROLLBAR] = bg; |
| count++; |
| |
| /* |
| * Convert pixel values to RGB |
| */ |
| colorsPtr = (XColor *) malloc(count * sizeof(XColor)); |
| j = 0; |
| for (i = 0; i < java_awt_SystemColor_NUM_COLORS; i++) { |
| if (pixels[i] != -1) { |
| colorsPtr[j++].pixel = pixels[i]; |
| } |
| } |
| XQueryColors(awt_display, cmap, colorsPtr, count); |
| |
| /* Get current System Colors */ |
| |
| (*env)->GetIntArrayRegion (env, systemColors, 0, |
| java_awt_SystemColor_NUM_COLORS, |
| rgbColors); |
| |
| /* |
| * Fill systemColor array with new rgb values |
| */ |
| |
| j = 0; |
| for (i = 0; i < java_awt_SystemColor_NUM_COLORS; i++) { |
| if (pixels[i] != -1) { |
| uint32_t rgb = colorToRGB(&colorsPtr[j++]); |
| |
| /* |
| printf("SystemColor[%d] = %x\n", i, rgb); |
| */ |
| rgbColors[i] = (rgb | 0xFF000000); |
| } |
| } |
| |
| (*env)->SetIntArrayRegion(env, |
| systemColors, |
| 0, |
| java_awt_SystemColor_NUM_COLORS, |
| rgbColors); |
| |
| /* Duplicate system colors. If color allocation is unsuccessful, |
| system colors will be approximated with matched colors */ |
| if (defaultConfig->awt_depth == 8) |
| awt_allocate_systemcolors(colorsPtr, count, defaultConfig); |
| |
| /* |
| * Cleanup |
| */ |
| XtDestroyWidget(frame); |
| free(colorsPtr); |
| |
| AWT_UNLOCK(); |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: isDynamicLayoutSupportedNative |
| * Signature: ()Z |
| * |
| * Note: there doesn't seem to be a protocol for querying the WM |
| * about its opaque resize settings, so this function just returns |
| * whether there is a solid resize option available for that WM. |
| */ |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_motif_MToolkit_isDynamicLayoutSupportedNative(JNIEnv *env, jobject this) |
| { |
| enum wmgr_t wm; |
| |
| AWT_LOCK(); |
| wm = awt_wm_getRunningWM(); |
| AWT_UNLOCK(); |
| |
| switch (wm) { |
| case ENLIGHTEN_WM: |
| case KDE2_WM: |
| case SAWFISH_WM: |
| case ICE_WM: |
| case METACITY_WM: |
| return JNI_TRUE; |
| case OPENLOOK_WM: |
| case MOTIF_WM: |
| case CDE_WM: |
| return JNI_FALSE; |
| default: |
| return JNI_FALSE; |
| } |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: isFrameStateSupported |
| * Signature: (I)Z |
| */ |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_motif_MToolkit_isFrameStateSupported(JNIEnv *env, jobject this, |
| jint state) |
| { |
| if (state == java_awt_Frame_NORMAL || state == java_awt_Frame_ICONIFIED) { |
| return JNI_TRUE; |
| } else { |
| return awt_wm_supportsExtendedState(state) ? JNI_TRUE : JNI_FALSE; |
| } |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getMulticlickTime |
| * Signature: ()I |
| */ |
| JNIEXPORT jint JNICALL Java_sun_awt_motif_MToolkit_getMulticlickTime |
| (JNIEnv *env, jobject this) |
| { |
| return awt_multiclick_time; |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getNumMouseButtons |
| * Signature: ()I |
| */ |
| JNIEXPORT jint JNICALL Java_sun_awt_motif_MToolkit_getNumMouseButtons |
| (JNIEnv *env, jobject this) |
| { |
| jint res = 0; |
| AWT_LOCK(); |
| res = XGetPointerMapping(awt_display, NULL, 0); |
| AWT_UNLOCK(); |
| return res; |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: loadXSettings |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL |
| Java_sun_awt_motif_MToolkit_loadXSettings(JNIEnv *env, jobject this) |
| { |
| static Boolean registered = False; |
| |
| jclass mtoolkitCLS; |
| Display *dpy = awt_display; |
| const Window *owners; |
| int scr; |
| |
| AWT_LOCK(); |
| |
| if (registered) { |
| AWT_UNLOCK(); |
| return; |
| } |
| |
| if (_XA_XSETTINGS_SETTINGS == None) { |
| _XA_XSETTINGS_SETTINGS = XInternAtom(dpy, "_XSETTINGS_SETTINGS", False); |
| if (_XA_XSETTINGS_SETTINGS == None) { |
| JNU_ThrowNullPointerException(env, |
| "unable to intern _XSETTINGS_SETTINGS"); |
| AWT_UNLOCK(); |
| return; |
| } |
| } |
| |
| mtoolkitCLS = (*env)->GetObjectClass(env, this); |
| |
| xsettings_callback_cookie.mtoolkit = |
| (*env)->NewGlobalRef(env, this); |
| xsettings_callback_cookie.upcallMID = |
| (*env)->GetMethodID(env, mtoolkitCLS, |
| "parseXSettings", "(I[B)V"); |
| |
| if (JNU_IsNull(env, xsettings_callback_cookie.upcallMID)) { |
| JNU_ThrowNoSuchMethodException(env, |
| "sun.awt.motif.MToolkit.parseXSettings"); |
| AWT_UNLOCK(); |
| return; |
| } |
| |
| owners = awt_mgrsel_select("_XSETTINGS", PropertyChangeMask, |
| &xsettings_callback_cookie, |
| awt_xsettings_callback, |
| awt_xsettings_owner_callback); |
| if (owners == NULL) { |
| JNU_ThrowNullPointerException(env, |
| "unable to regiser _XSETTINGS with mgrsel"); |
| AWT_UNLOCK(); |
| return; |
| } |
| |
| registered = True; |
| |
| for (scr = 0; scr < ScreenCount(dpy); ++scr) { |
| if (owners[scr] == None) { |
| DTRACE_PRINTLN1("XS: MToolkit.loadXSettings: none on screen %d", |
| scr); |
| continue; |
| } |
| |
| awt_xsettings_update(scr, owners[scr], &xsettings_callback_cookie); |
| } |
| |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_motif_MToolkit_isAlwaysOnTopSupported(JNIEnv *env, jobject toolkit) { |
| Boolean res; |
| AWT_LOCK(); |
| res = awt_wm_supportsAlwaysOnTop(); |
| AWT_UNLOCK(); |
| return res; |
| } |
| |
| /* |
| * Returns true if the current thread is privileged. Currently, |
| * only the main event loop thread is considered to be privileged. |
| */ |
| Boolean |
| awt_currentThreadIsPrivileged(JNIEnv *env) { |
| return (*env)->IsSameObject(env, |
| awt_MainThread, awtJNI_GetCurrentThread(env)); |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_motif_MToolkit_isSyncUpdated(JNIEnv *env, jobject toolkit) { |
| return syncUpdated; |
| } |
| |
| JNIEXPORT jboolean JNICALL |
| Java_sun_awt_motif_MToolkit_isSyncFailed(JNIEnv *env, jobject toolkit) { |
| return syncFailed; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_motif_MToolkit_updateSyncSelection(JNIEnv *env, jobject toolkit) { |
| |
| // AWT_LOCK is held by calling function |
| if (wm_selection == None) { |
| wm_selection = XInternAtom(awt_display, "WM_S0", False); |
| } |
| if (version_atom == None) { |
| version_atom = XInternAtom(awt_display, "VERSION", False); |
| } |
| if (oops_atom == None) { |
| oops_atom = XInternAtom(awt_display, "OOPS", False); |
| } |
| syncUpdated = False; |
| syncFailed = False; |
| XConvertSelection(awt_display, wm_selection, version_atom, oops_atom, XtWindow(awt_root_shell), CurrentTime); |
| XSync(awt_display, False); |
| inSyncWait = True; // Protect from spurious events |
| // Calling function will call AWT_LOCK_WAIT instead of AWT_UNLOCK |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_awt_motif_MToolkit_getEventNumber(JNIEnv *env, jobject toolkit) { |
| // AWT_LOCK must be held by the calling method |
| return eventNumber; |
| } |
| |
| static void |
| syncWait_eventHandler(XEvent * event) { |
| static jmethodID syncNotifyMID = NULL; |
| if (event != NULL && event->xany.type == SelectionNotify && |
| event->xselection.requestor == XtWindow(awt_root_shell) && |
| event->xselection.property == oops_atom && |
| inSyncWait) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| syncUpdated = True; |
| inSyncWait = False; |
| AWT_NOTIFY_ALL(); |
| } else if (event != NULL && event->xany.type == SelectionNotify && |
| event->xselection.requestor == XtWindow(awt_root_shell) && |
| event->xselection.target == version_atom && |
| event->xselection.property == None && |
| XGetSelectionOwner(awt_display, wm_selection) == None && |
| event->xselection.selection == wm_selection) |
| { |
| JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| syncFailed = True; |
| inSyncWait = False; |
| AWT_NOTIFY_ALL(); |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_motif_MToolkit_nativeGrab(JNIEnv *env, jobject toolkit, jobject window) { |
| struct FrameData *wdata; |
| static Cursor cursor = None; |
| int grab_result; |
| |
| AWT_LOCK(); |
| |
| wdata = (struct FrameData *) |
| JNU_GetLongFieldAsPtr(env, window, mComponentPeerIDs.pData); |
| |
| if (wdata == NULL || |
| wdata->winData.comp.widget == NULL || |
| wdata->winData.shell == NULL) |
| { |
| AWT_UNLOCK(); |
| return; |
| } |
| if (None == cursor) { |
| cursor = XCreateFontCursor(awt_display, XC_hand2); |
| } |
| grabbed_widget = wdata->winData.shell; |
| grab_result = XGrabPointer(awt_display, XtWindow(wdata->winData.shell), |
| True, (ButtonPressMask | ButtonReleaseMask |
| | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
| | ButtonMotionMask), |
| GrabModeAsync, GrabModeAsync, None, |
| cursor, CurrentTime); |
| if (GrabSuccess != grab_result) { |
| XUngrabPointer(awt_display, CurrentTime); |
| AWT_UNLOCK(); |
| DTRACE_PRINTLN1("XGrabPointer() failed, result %d", grab_result); |
| return; |
| } |
| grab_result = XGrabKeyboard(awt_display, XtWindow(wdata->winData.shell), |
| True, |
| GrabModeAsync, GrabModeAsync, CurrentTime); |
| if (GrabSuccess != grab_result) { |
| XUngrabKeyboard(awt_display, CurrentTime); |
| XUngrabPointer(awt_display, CurrentTime); |
| DTRACE_PRINTLN1("XGrabKeyboard() failed, result %d", grab_result); |
| } |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_motif_MToolkit_nativeUnGrab(JNIEnv *env, jobject toolkit, jobject window) { |
| struct FrameData *wdata; |
| |
| AWT_LOCK(); |
| |
| wdata = (struct FrameData *) |
| JNU_GetLongFieldAsPtr(env, window, mComponentPeerIDs.pData); |
| |
| if (wdata == NULL || |
| wdata->winData.comp.widget == NULL || |
| wdata->winData.shell == NULL) |
| { |
| AWT_UNLOCK(); |
| return; |
| } |
| |
| XUngrabPointer(awt_display, CurrentTime); |
| XUngrabKeyboard(awt_display, CurrentTime); |
| grabbed_widget = NULL; |
| AWT_FLUSHOUTPUT_NOW(); |
| |
| AWT_UNLOCK(); |
| |
| } |
| |
| /* |
| * Class: sun_awt_motif_MToolkit |
| * Method: getWMName |
| * Signature: ()Ljava/lang/String; |
| */ |
| JNIEXPORT jstring JNICALL |
| Java_sun_awt_motif_MToolkit_getWMName(JNIEnv *env, jclass this) |
| { |
| enum wmgr_t wm; |
| |
| AWT_LOCK(); |
| wm = awt_wm_getRunningWM(); |
| AWT_UNLOCK(); |
| |
| switch (wm) { |
| case NO_WM: |
| return (*env)->NewStringUTF(env, "NO_WM"); |
| case OTHER_WM: |
| return (*env)->NewStringUTF(env, "OTHER_WM"); |
| case ENLIGHTEN_WM: |
| return (*env)->NewStringUTF(env, "ENLIGHTEN_WM"); |
| case KDE2_WM: |
| return (*env)->NewStringUTF(env, "KDE2_WM"); |
| case SAWFISH_WM: |
| return (*env)->NewStringUTF(env, "SAWFISH_WM"); |
| case ICE_WM: |
| return (*env)->NewStringUTF(env, "ICE_WM"); |
| case METACITY_WM: |
| return (*env)->NewStringUTF(env, "METACITY_WM"); |
| case OPENLOOK_WM: |
| return (*env)->NewStringUTF(env, "OPENLOOK_WM"); |
| case MOTIF_WM: |
| return (*env)->NewStringUTF(env, "MOTIF_WM"); |
| case CDE_WM: |
| return (*env)->NewStringUTF(env, "CDE_WM"); |
| } |
| return (*env)->NewStringUTF(env, "UNDETERMINED_WM"); |
| } |
| |
| |
| #endif /* !HEADLESS */ |