J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #ifdef HEADLESS |
| 27 | #error This file should not be included in headless library |
| 28 | #endif |
| 29 | |
| 30 | #include "awt_p.h" |
| 31 | #include "color.h" |
| 32 | #include "awt_TopLevel.h" |
| 33 | #include <X11/IntrinsicP.h> |
| 34 | #include <X11/Xatom.h> |
| 35 | #include <X11/Xmd.h> |
| 36 | #include <X11/Xutil.h> |
| 37 | #include <X11/Xproto.h> |
| 38 | #ifndef XAWT |
| 39 | #include <Xm/MenuShell.h> |
| 40 | #include <Xm/List.h> |
| 41 | #include <Xm/Form.h> |
| 42 | #include <Xm/RowColumn.h> |
| 43 | #include <Xm/MwmUtil.h> |
| 44 | #endif /* XAWT */ |
| 45 | #include <jni.h> |
| 46 | #include <jni_util.h> |
| 47 | #include <sys/time.h> |
| 48 | |
| 49 | #include "awt_xembed.h" |
| 50 | |
| 51 | |
| 52 | #ifndef XAWT |
| 53 | #if MOTIF_VERSION!=1 |
| 54 | #include <Xm/GrabShell.h> |
| 55 | #endif |
| 56 | #endif |
| 57 | |
| 58 | #include "java_awt_event_MouseWheelEvent.h" |
| 59 | |
| 60 | /* |
| 61 | * Since X reports protocol errors asynchronously, we often need to |
| 62 | * install an error handler that acts like a callback. While that |
| 63 | * specialized handler is installed we save original handler here. |
| 64 | */ |
| 65 | XErrorHandler xerror_saved_handler; |
| 66 | |
| 67 | /* |
| 68 | * A place for error handler to report the error code. |
| 69 | */ |
| 70 | unsigned char xerror_code; |
| 71 | |
| 72 | extern jint getModifiers(uint32_t state, jint button, jint keyCode); |
| 73 | extern jint getButton(uint32_t button); |
| 74 | |
| 75 | static int32_t winmgr_running = 0; |
| 76 | static Atom OLDecorDelAtom = 0; |
| 77 | static Atom MWMHints = 0; |
| 78 | static Atom DTWMHints = 0; |
| 79 | static Atom decor_list[9]; |
| 80 | |
| 81 | #ifndef MAX |
| 82 | #define MAX(a,b) ((a) > (b) ? (a) : (b)) |
| 83 | #endif |
| 84 | |
| 85 | #ifndef MIN |
| 86 | #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
| 87 | #endif |
| 88 | |
| 89 | #ifndef XAWT |
| 90 | /* |
| 91 | * The following three funtions are to work around menu problems |
| 92 | */ |
| 93 | |
| 94 | /* |
| 95 | * test if there is a menu that has the current focus |
| 96 | * called from awt_Dialog.c and awt_Component.c |
| 97 | */ |
| 98 | Boolean |
| 99 | awt_util_focusIsOnMenu(Display *display) |
| 100 | { |
| 101 | Window window; |
| 102 | Widget widget; |
| 103 | int32_t rtr; |
| 104 | |
| 105 | XGetInputFocus(display, &window, &rtr); |
| 106 | if (window == None) { |
| 107 | return False; |
| 108 | } |
| 109 | |
| 110 | widget = XtWindowToWidget(display, window); |
| 111 | if (widget == NULL) { |
| 112 | return False; |
| 113 | } |
| 114 | |
| 115 | if (XtIsSubclass(widget, xmMenuShellWidgetClass)) { |
| 116 | return True; |
| 117 | } |
| 118 | |
| 119 | #if MOTIF_VERSION!=1 |
| 120 | /* Motif 2.1 uses XmGrabShell on XmComboBox instead |
| 121 | of XmMenuShell |
| 122 | */ |
| 123 | if (XtIsSubclass(widget, xmGrabShellWidgetClass)) { |
| 124 | return True; |
| 125 | } |
| 126 | /* Fix 4800638 check the ancestor of focus widget is |
| 127 | GrabSell |
| 128 | */ |
| 129 | if (XtIsSubclass(widget, xmListWidgetClass)) |
| 130 | { |
| 131 | Widget shell = getShellWidget(widget); |
| 132 | if (shell && XtIsSubclass(shell, |
| 133 | xmGrabShellWidgetClass)) |
| 134 | { |
| 135 | return True; |
| 136 | } |
| 137 | } |
| 138 | #endif |
| 139 | |
| 140 | if (XtIsSubclass(widget, xmRowColumnWidgetClass)) { |
| 141 | unsigned char type; |
| 142 | XtVaGetValues(widget, XmNrowColumnType, &type, NULL); |
| 143 | if (type == XmMENU_BAR) { |
| 144 | return True; |
| 145 | } |
| 146 | } |
| 147 | return False; |
| 148 | } |
| 149 | |
| 150 | static |
| 151 | void fillButtonEvent(XButtonEvent *ev, int32_t type, Display *display, Window window) { |
| 152 | ev->type = type; |
| 153 | ev->display = display; |
| 154 | ev->window = window; |
| 155 | ev->send_event = True; |
| 156 | |
| 157 | /* REMIND: multi-screen */ |
| 158 | ev->root = RootWindow(display, DefaultScreen(display)); |
| 159 | ev->subwindow = (Window)None; |
| 160 | ev->time = CurrentTime; |
| 161 | ev->x = 0; |
| 162 | ev->y = 0; |
| 163 | ev->x_root = 0; |
| 164 | ev->y_root = 0; |
| 165 | ev->same_screen = True; |
| 166 | ev->button = Button1; |
| 167 | ev->state = Button1Mask; |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | * generates a mouse press event and a release event |
| 172 | * called from awt_Dialog.c |
| 173 | */ |
| 174 | int32_t |
| 175 | awt_util_sendButtonClick(Display *display, Window window) |
| 176 | { |
| 177 | XButtonEvent ev; |
| 178 | int32_t status; |
| 179 | |
| 180 | fillButtonEvent(&ev, ButtonPress, display, window); |
| 181 | status = XSendEvent(display, window, True, ButtonPressMask, (XEvent *)&ev); |
| 182 | |
| 183 | if (status != 0) { |
| 184 | fillButtonEvent(&ev, ButtonRelease, display, window); |
| 185 | status = XSendEvent(display, window, False, ButtonReleaseMask, |
| 186 | (XEvent *)&ev); |
| 187 | } |
| 188 | return status; |
| 189 | } |
| 190 | |
| 191 | Widget |
| 192 | awt_util_createWarningWindow(Widget parent, char *warning) |
| 193 | { |
| 194 | Widget warningWindow; |
| 195 | #ifdef NETSCAPE |
| 196 | extern Widget FE_MakeAppletSecurityChrome(Widget parent, char* message); |
| 197 | warningWindow = FE_MakeAppletSecurityChrome(parent, warning); |
| 198 | #else |
| 199 | Widget label; |
| 200 | int32_t argc; |
| 201 | #define MAX_ARGC 10 |
| 202 | Arg args[MAX_ARGC]; |
| 203 | int32_t screen = 0; |
| 204 | int32_t i; |
| 205 | AwtGraphicsConfigDataPtr adata; |
| 206 | extern int32_t awt_numScreens; |
| 207 | |
| 208 | Pixel gray; |
| 209 | Pixel black; |
| 210 | |
| 211 | for (i = 0; i < awt_numScreens; i++) { |
| 212 | if (ScreenOfDisplay(awt_display, i) == XtScreen(parent)) { |
| 213 | screen = i; |
| 214 | break; |
| 215 | } |
| 216 | } |
| 217 | adata = getDefaultConfig(screen); |
| 218 | |
| 219 | gray = adata->AwtColorMatch(192, 192, 192, adata); |
| 220 | black = adata->AwtColorMatch(0, 0, 0, adata); |
| 221 | |
| 222 | argc = 0; |
| 223 | XtSetArg(args[argc], XmNbackground, gray); argc++; |
| 224 | XtSetArg(args[argc], XmNmarginHeight, 0); argc++; |
| 225 | XtSetArg(args[argc], XmNmarginWidth, 0); argc++; |
| 226 | XtSetArg (args[argc], XmNscreen, XtScreen(parent)); argc++; |
| 227 | |
| 228 | DASSERT(!(argc > MAX_ARGC)); |
| 229 | warningWindow = XmCreateForm(parent, "main", args, argc); |
| 230 | |
| 231 | XtManageChild(warningWindow); |
| 232 | label = XtVaCreateManagedWidget(warning, |
| 233 | xmLabelWidgetClass, warningWindow, |
| 234 | XmNhighlightThickness, 0, |
| 235 | XmNbackground, gray, |
| 236 | XmNforeground, black, |
| 237 | XmNalignment, XmALIGNMENT_CENTER, |
| 238 | XmNrecomputeSize, False, |
| 239 | NULL); |
| 240 | XtVaSetValues(label, |
| 241 | XmNbottomAttachment, XmATTACH_FORM, |
| 242 | XmNtopAttachment, XmATTACH_FORM, |
| 243 | XmNleftAttachment, XmATTACH_FORM, |
| 244 | XmNrightAttachment, XmATTACH_FORM, |
| 245 | NULL); |
| 246 | #endif |
| 247 | return warningWindow; |
| 248 | } |
| 249 | |
| 250 | void |
| 251 | awt_setWidgetGravity(Widget w, int32_t gravity) |
| 252 | { |
| 253 | XSetWindowAttributes xattr; |
| 254 | Window win = XtWindow(w); |
| 255 | |
| 256 | if (win != None) { |
| 257 | xattr.bit_gravity = StaticGravity; |
| 258 | xattr.win_gravity = StaticGravity; |
| 259 | XChangeWindowAttributes(XtDisplay(w), win, |
| 260 | CWBitGravity|CWWinGravity, |
| 261 | &xattr); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | Widget get_shell_focused_widget(Widget w) { |
| 266 | while (w != NULL && !XtIsShell(w)) { |
| 267 | w = XtParent(w); |
| 268 | } |
| 269 | if (w != NULL) { |
| 270 | return XmGetFocusWidget(w); |
| 271 | } else { |
| 272 | return NULL; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | void |
| 277 | awt_util_reshape(Widget w, jint x, jint y, jint wd, jint ht) |
| 278 | { |
| 279 | Widget parent; |
| 280 | Dimension ww, wh; |
| 281 | Position wx, wy; |
| 282 | Boolean move = False; |
| 283 | Boolean resize = False; |
| 284 | Boolean mapped_when_managed = False; |
| 285 | Boolean need_to_unmanage = True; |
| 286 | Widget saved_focus_widget = NULL; |
| 287 | |
| 288 | if (w == NULL) { |
| 289 | JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| 290 | JNU_ThrowNullPointerException(env,"NullPointerException"); |
| 291 | return; |
| 292 | } |
| 293 | parent = XtParent(w); |
| 294 | |
| 295 | /* Aim: hack to prevent direct children of scrollpane from |
| 296 | * being unmanaged during a reshape operation (which results |
| 297 | * in too many expose events). |
| 298 | */ |
| 299 | if (parent != NULL && XtParent(parent) != NULL && |
| 300 | XtIsSubclass(XtParent(parent), xmScrolledWindowWidgetClass)) { |
| 301 | need_to_unmanage = False; |
| 302 | } |
| 303 | |
| 304 | XtVaGetValues(w, |
| 305 | XmNwidth, &ww, |
| 306 | XmNheight, &wh, |
| 307 | XmNx, &wx, |
| 308 | XmNy, &wy, |
| 309 | NULL); |
| 310 | |
| 311 | if (x != wx || y != wy) { |
| 312 | move = True; |
| 313 | } |
| 314 | if (wd != ww || ht != wh) { |
| 315 | resize = True; |
| 316 | } |
| 317 | if (!move && !resize) { |
| 318 | return; |
| 319 | } |
| 320 | |
| 321 | if (need_to_unmanage) { |
| 322 | if (!resize) { |
| 323 | mapped_when_managed = w->core.mapped_when_managed; |
| 324 | w->core.mapped_when_managed = False; |
| 325 | } |
| 326 | saved_focus_widget = get_shell_focused_widget(w); |
| 327 | XtUnmanageChild(w); |
| 328 | } |
| 329 | |
| 330 | /* GES: AVH's hack: |
| 331 | * Motif ignores attempts to move a toplevel window to 0,0. |
| 332 | * Instead we set the position to 1,1. The expected value is |
| 333 | * returned by Frame.getBounds() since it uses the internally |
| 334 | * held rectangle rather than querying the peer. |
| 335 | * N.B. [pauly, 9/97] This is only required for wm shells |
| 336 | * under the Motif Window Manager (MWM), not for any others. |
| 337 | * Note. Utilizes C short-circuiting if w is not a wm shell. |
| 338 | */ |
| 339 | if ((x == 0) && (y == 0) && |
| 340 | (XtIsSubclass(w, wmShellWidgetClass)) && |
| 341 | (XmIsMotifWMRunning(w))) { |
| 342 | XtVaSetValues(w, XmNx, 1, XmNy, 1, NULL); |
| 343 | } |
| 344 | |
| 345 | if (move && !resize) { |
| 346 | XtVaSetValues(w, XmNx, x, XmNy, y, NULL); |
| 347 | |
| 348 | } else if (resize && !move) { |
| 349 | XtVaSetValues(w, |
| 350 | XmNwidth, (wd > 0) ? wd : 1, |
| 351 | XmNheight, (ht > 0) ? ht : 1, |
| 352 | NULL); |
| 353 | |
| 354 | } else { |
| 355 | XtVaSetValues(w, |
| 356 | XmNx, x, |
| 357 | XmNy, y, |
| 358 | XmNwidth, (wd > 0) ? wd : 1, |
| 359 | XmNheight, (ht > 0) ? ht : 1, |
| 360 | NULL); |
| 361 | } |
| 362 | |
| 363 | if (need_to_unmanage) { |
| 364 | XtManageChild(w); |
| 365 | if (!resize) { |
| 366 | w->core.mapped_when_managed = mapped_when_managed; |
| 367 | } |
| 368 | if (saved_focus_widget != NULL) { |
| 369 | Boolean result = XmProcessTraversal(saved_focus_widget, XmTRAVERSE_CURRENT); |
| 370 | if (!result) |
| 371 | { |
| 372 | Widget shell = saved_focus_widget; |
| 373 | while(shell != NULL && !XtIsShell(shell)) { |
| 374 | shell = XtParent(shell); |
| 375 | } |
| 376 | XtSetKeyboardFocus(shell, saved_focus_widget); |
| 377 | } |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | void |
| 383 | awt_util_hide(Widget w) |
| 384 | { |
| 385 | if (w == NULL) { |
| 386 | JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| 387 | JNU_ThrowNullPointerException(env,"NullPointerException"); |
| 388 | return; |
| 389 | } |
| 390 | XtSetMappedWhenManaged(w, False); |
| 391 | } |
| 392 | |
| 393 | void |
| 394 | awt_util_show(Widget w) |
| 395 | { |
| 396 | /* |
| 397 | extern Boolean scrollBugWorkAround; |
| 398 | */ |
| 399 | if (w == NULL) { |
| 400 | JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| 401 | JNU_ThrowNullPointerException(env,"NullPointerException"); |
| 402 | return; |
| 403 | } |
| 404 | XtSetMappedWhenManaged(w, True); |
| 405 | /* |
| 406 | XXX: causes problems on 2.5 |
| 407 | if (!scrollBugWorkAround) { |
| 408 | awt_setWidgetGravity(w, StaticGravity); |
| 409 | } |
| 410 | */ |
| 411 | } |
| 412 | |
| 413 | void |
| 414 | awt_util_enable(Widget w) |
| 415 | { |
| 416 | XtSetSensitive(w, True); |
| 417 | } |
| 418 | |
| 419 | void |
| 420 | awt_util_disable(Widget w) |
| 421 | { |
| 422 | XtSetSensitive(w, False); |
| 423 | } |
| 424 | |
| 425 | void |
| 426 | awt_util_mapChildren(Widget w, void (*func)(Widget,void *), |
| 427 | int32_t applyToCurrent, void *data) { |
| 428 | WidgetList wlist; |
| 429 | Cardinal wlen = 0; |
| 430 | Cardinal i; |
| 431 | |
| 432 | /* The widget may have been destroyed by another thread. */ |
| 433 | if ((w == NULL) || (!XtIsObject(w)) || (w->core.being_destroyed)) |
| 434 | return; |
| 435 | |
| 436 | if (applyToCurrent != 0) { |
| 437 | (*func)(w, data); |
| 438 | } |
| 439 | if (!XtIsComposite(w)) { |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | XtVaGetValues(w, |
| 444 | XmNchildren, &wlist, |
| 445 | XmNnumChildren, &wlen, |
| 446 | NULL); |
| 447 | if (wlen > 0) { |
| 448 | for (i=0; i < wlen; i++) { |
| 449 | awt_util_mapChildren(wlist[i], func, 1, data); |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | void |
| 455 | awt_changeAttributes(Display *dpy, Widget w, unsigned long mask, |
| 456 | XSetWindowAttributes *xattr) |
| 457 | { |
| 458 | WidgetList wlist; |
| 459 | Cardinal wlen = 0; |
| 460 | Cardinal i; |
| 461 | |
| 462 | if (XtWindow(w) && XtIsRealized(w)) { |
| 463 | XChangeWindowAttributes(dpy, |
| 464 | XtWindow(w), |
| 465 | mask, |
| 466 | xattr); |
| 467 | } else { |
| 468 | return; |
| 469 | } |
| 470 | XtVaGetValues(w, |
| 471 | XmNchildren, &wlist, |
| 472 | XmNnumChildren, &wlen, |
| 473 | NULL); |
| 474 | for (i = 0; i < wlen; i++) { |
| 475 | if (XtWindow(wlist[i]) && XtIsRealized(wlist[i])) { |
| 476 | XChangeWindowAttributes(dpy, |
| 477 | XtWindow(wlist[i]), |
| 478 | mask, |
| 479 | xattr); |
| 480 | } |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | static Widget prevWgt = NULL; |
| 485 | |
| 486 | static void |
| 487 | DestroyCB(Widget w, XtPointer client_data, XtPointer call_data) { |
| 488 | if (prevWgt == w) { |
| 489 | prevWgt = NULL; |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | int32_t |
| 494 | awt_util_setCursor(Widget w, Cursor c) { |
| 495 | static Cursor prevCur = None; |
| 496 | |
| 497 | if (XtIsRealized(w)) { |
| 498 | unsigned long valuemask = 0; |
| 499 | XSetWindowAttributes attributes; |
| 500 | |
| 501 | valuemask = CWCursor; |
| 502 | if (prevWgt != NULL) { |
| 503 | attributes.cursor = None; |
| 504 | XChangeWindowAttributes(awt_display, |
| 505 | XtWindow(prevWgt), |
| 506 | valuemask, |
| 507 | &attributes); |
| 508 | } |
| 509 | |
| 510 | if (c == None) { |
| 511 | c = prevCur; |
| 512 | if (w != NULL) { |
| 513 | XtAddCallback(w, XmNdestroyCallback, DestroyCB, NULL); |
| 514 | } |
| 515 | prevWgt = w; |
| 516 | } else { |
| 517 | prevCur = c; |
| 518 | prevWgt = NULL; |
| 519 | } |
| 520 | attributes.cursor = c; |
| 521 | XChangeWindowAttributes(awt_display, |
| 522 | XtWindow(w), |
| 523 | valuemask, |
| 524 | &attributes); |
| 525 | XFlush(awt_display); |
| 526 | return 1; |
| 527 | } else |
| 528 | return 0; |
| 529 | } |
| 530 | |
| 531 | void |
| 532 | awt_util_convertEventTimeAndModifiers(XEvent *event, |
| 533 | ConvertEventTimeAndModifiers *output) { |
| 534 | switch (event->type) { |
| 535 | case KeyPress: |
| 536 | case KeyRelease: |
| 537 | output->when = awt_util_nowMillisUTC_offset(event->xkey.time); |
| 538 | output->modifiers = getModifiers(event->xkey.state, 0, 0); |
| 539 | break; |
| 540 | case ButtonPress: |
| 541 | case ButtonRelease: |
| 542 | output->when = awt_util_nowMillisUTC_offset(event->xbutton.time); |
| 543 | output->modifiers = getModifiers(event->xbutton.state, |
| 544 | getButton(event->xbutton.button), 0); |
| 545 | break; |
| 546 | default: |
| 547 | output->when = awt_util_nowMillisUTC(); |
| 548 | output->modifiers =0; |
| 549 | break; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | |
| 554 | /* |
| 555 | Part fix for bug id 4017222. Return the widget at the given screen coords |
| 556 | by searching the widget tree beginning at root. This function will return |
| 557 | null if the pointer is not over the root widget or child of the root widget. |
| 558 | |
| 559 | Additionally, this function will only return a Widget with non-nil XmNuserData. |
| 560 | In 1.2.1, when the mouse was dragged over a Choice component, this function |
| 561 | returned the GadgetButton associated with the Choice. This GadgetButton had |
| 562 | nil as its XmNuserData. This lead to a crash when the nil XmNuserData was |
| 563 | extracted and used as a reference to a peer. Ooops. |
| 564 | Now the GadgetButton is not returned and the function goes on to find a widget |
| 565 | which contains the correct peer reference in XmNuserData. |
| 566 | */ |
| 567 | Widget |
| 568 | awt_WidgetAtXY(Widget root, Position pointerx, Position pointery) { |
| 569 | Widget answer = NULL; |
| 570 | |
| 571 | if(!root) return NULL; |
| 572 | |
| 573 | if(XtIsComposite(root)) { |
| 574 | int32_t i=0; |
| 575 | WidgetList wl=NULL; |
| 576 | Cardinal wlen=0; |
| 577 | |
| 578 | XtVaGetValues(root, XmNchildren, &wl, XmNnumChildren, &wlen, NULL); |
| 579 | |
| 580 | if(wlen>0) { |
| 581 | for(i=0; i<wlen && !answer; i++) { |
| 582 | answer = awt_WidgetAtXY(wl[i], pointerx, pointery); |
| 583 | } |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | if(!answer) { |
| 588 | Position wx=0, wy=0; |
| 589 | Dimension width=0, height=0; |
| 590 | int32_t lastx=0, lasty=0; |
| 591 | XtPointer widgetUserData=NULL; |
| 592 | |
| 593 | XtVaGetValues(root, XmNwidth, &width, XmNheight, &height, |
| 594 | XmNuserData, &widgetUserData, |
| 595 | NULL); |
| 596 | |
| 597 | XtTranslateCoords(root, 0, 0, &wx, &wy); |
| 598 | lastx = wx + width; |
| 599 | lasty = wy + height; |
| 600 | |
| 601 | if(pointerx>=wx && pointerx<=lastx && pointery>=wy && pointery<=lasty && |
| 602 | widgetUserData) |
| 603 | answer = root; |
| 604 | } |
| 605 | |
| 606 | return answer; |
| 607 | } |
| 608 | #ifdef __linux__ |
| 609 | |
| 610 | |
| 611 | #define MAXARGS 10 |
| 612 | static Arg xic_vlist[MAXARGS]; |
| 613 | static Arg status_vlist[MAXARGS]; |
| 614 | static Arg preedit_vlist[MAXARGS]; |
| 615 | |
| 616 | #define NO_ARG_VAL -1 |
| 617 | #define SEPARATOR_HEIGHT 2 |
| 618 | |
| 619 | static XFontSet extract_fontset(XmFontList); |
| 620 | |
| 621 | /* get_im_height: returns height of the input method status area in pixels. |
| 622 | * |
| 623 | * This function assumes that if any XIM related information cannot be |
| 624 | * queried then the app must not have an input method status area in the |
| 625 | * current locale and returns zero as the status area height |
| 626 | */ |
| 627 | |
| 628 | static XtPointer* |
| 629 | get_im_info_ptr(Widget w, |
| 630 | Boolean create) |
| 631 | { |
| 632 | Widget p; |
| 633 | XmVendorShellExtObject ve; |
| 634 | XmWidgetExtData extData; |
| 635 | XmImShellInfo im_info; |
| 636 | XmImDisplayInfo xim_info; |
| 637 | |
| 638 | if (w == NULL) |
| 639 | return NULL; |
| 640 | |
| 641 | p = w; |
| 642 | while (!XtIsShell(p)) |
| 643 | p = XtParent(p); |
| 644 | |
| 645 | /* Check extension data since app could be attempting to create |
| 646 | * a text widget as child of menu shell. This is illegal, and will |
| 647 | * be detected later, but check here so we don't core dump. |
| 648 | */ |
| 649 | if ((extData = _XmGetWidgetExtData((Widget)p, XmSHELL_EXTENSION)) == NULL) |
| 650 | return NULL; |
| 651 | |
| 652 | ve = (XmVendorShellExtObject) extData->widget; |
| 653 | |
| 654 | return &ve->vendor.im_info; |
| 655 | } |
| 656 | |
| 657 | static XmImShellInfo |
| 658 | get_im_info(Widget w, |
| 659 | Boolean create) |
| 660 | { |
| 661 | XmImShellInfo* ptr = (XmImShellInfo *) get_im_info_ptr(w, create); |
| 662 | if (ptr != NULL) |
| 663 | return *ptr; |
| 664 | else |
| 665 | return NULL; |
| 666 | } |
| 667 | |
| 668 | #endif /* !linux */ |
| 669 | |
| 670 | Widget |
| 671 | awt_util_getXICStatusAreaWindow(Widget w) |
| 672 | { |
| 673 | while (!XtIsShell(w)){ |
| 674 | w = XtParent(w); |
| 675 | } |
| 676 | return w; |
| 677 | } |
| 678 | |
| 679 | #ifdef __linux__ |
| 680 | static XRectangle geometryRect; |
| 681 | XVaNestedList awt_util_getXICStatusAreaList(Widget w) |
| 682 | { |
| 683 | XIC xic; |
| 684 | XmImXICInfo icp; |
| 685 | XmVendorShellExtObject ve; |
| 686 | XmWidgetExtData extData; |
| 687 | XmImShellInfo im_info; |
| 688 | XmFontList fl=NULL; |
| 689 | |
| 690 | XRectangle *ssgeometry = &geometryRect; |
| 691 | XRectangle geomRect ; |
| 692 | XRectangle *im_rect; |
| 693 | XFontSet *im_font; |
| 694 | |
| 695 | Pixel bg ; |
| 696 | Pixel fg ; |
| 697 | Dimension height, width ; |
| 698 | Position x,y ; |
| 699 | Pixmap bpm, *bpmout ; |
| 700 | |
| 701 | XVaNestedList list = NULL; |
| 702 | |
| 703 | char *ret; |
| 704 | Widget p=w; |
| 705 | |
| 706 | while (!XtIsShell(p)) { |
| 707 | p = XtParent(p); |
| 708 | } |
| 709 | |
| 710 | XtVaGetValues(p, |
| 711 | XmNx, &x, |
| 712 | XmNy, &y, |
| 713 | XmNwidth, &width, |
| 714 | XmNheight, &height, |
| 715 | XmNbackgroundPixmap, &bpm, |
| 716 | NULL); |
| 717 | |
| 718 | extData = _XmGetWidgetExtData((Widget) p, XmSHELL_EXTENSION); |
| 719 | if (extData == NULL) { |
| 720 | return NULL; |
| 721 | } |
| 722 | ve = (XmVendorShellExtObject) extData->widget; |
| 723 | im_info = get_im_info(w, False); |
| 724 | |
| 725 | if (im_info == NULL) { |
| 726 | return NULL; |
| 727 | } else { |
| 728 | icp = im_info->iclist; |
| 729 | } |
| 730 | |
| 731 | if (icp) { |
| 732 | /* |
| 733 | * We have at least a textfield/textarea in the frame, use the |
| 734 | * first one. |
| 735 | */ |
| 736 | ssgeometry->x = 0; |
| 737 | ssgeometry->y = height - icp->sp_height; |
| 738 | ssgeometry->width = icp->status_width; |
| 739 | ssgeometry->height = icp->sp_height; |
| 740 | XtVaGetValues(w, XmNbackground, &bg, NULL); |
| 741 | XtVaGetValues(w, XmNforeground, &fg, NULL); |
| 742 | XtVaGetValues(w, XmNfontList, &fl, NULL); |
| 743 | /* |
| 744 | * use motif TextComponent's resource |
| 745 | */ |
| 746 | |
| 747 | list = XVaCreateNestedList(0, |
| 748 | XNFontSet, extract_fontset(fl), |
| 749 | XNArea, ssgeometry, |
| 750 | XNBackground, bg, |
| 751 | XNForeground, fg, |
| 752 | NULL); |
| 753 | } |
| 754 | return list ; |
| 755 | } |
| 756 | |
| 757 | static XFontSet |
| 758 | extract_fontset(XmFontList fl) |
| 759 | { |
| 760 | XmFontContext context; |
| 761 | XmFontListEntry next_entry; |
| 762 | XmFontType type_return; |
| 763 | XtPointer tmp_font; |
| 764 | XFontSet first_fs = NULL; |
| 765 | char *font_tag; |
| 766 | |
| 767 | if (!XmFontListInitFontContext(&context, fl)) |
| 768 | return NULL; |
| 769 | |
| 770 | do { |
| 771 | next_entry = XmFontListNextEntry(context); |
| 772 | if (next_entry) { |
| 773 | tmp_font = XmFontListEntryGetFont(next_entry, &type_return); |
| 774 | if (type_return == XmFONT_IS_FONTSET) { |
| 775 | font_tag = XmFontListEntryGetTag(next_entry); |
| 776 | if (!strcmp(font_tag, XmFONTLIST_DEFAULT_TAG)) { |
| 777 | XmFontListFreeFontContext(context); |
| 778 | XtFree(font_tag); |
| 779 | return (XFontSet) tmp_font; |
| 780 | } |
| 781 | XtFree(font_tag); |
| 782 | if (first_fs == NULL) |
| 783 | first_fs = (XFontSet) tmp_font; |
| 784 | } |
| 785 | } |
| 786 | } while (next_entry); |
| 787 | |
| 788 | XmFontListFreeFontContext(context); |
| 789 | return first_fs; |
| 790 | } |
| 791 | #endif |
| 792 | |
| 793 | /*the caller does have the responsibility to free the memory return |
| 794 | from this function...*/ |
| 795 | char* awt_util_makeWMMenuItem(char *target, Atom protocol){ |
| 796 | char *buf = NULL; |
| 797 | int32_t buflen = 0; |
| 798 | |
| 799 | /*a label in a menuitem is not supposed to be a FullOfSpaceString... */ |
| 800 | buflen = strlen(target) * 3; |
| 801 | buf = (char*)malloc(buflen + 20); |
| 802 | if (buf == NULL){ |
| 803 | JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), NULL); |
| 804 | } |
| 805 | else{ |
| 806 | int32_t off = 0; |
| 807 | char *ptr = target; |
| 808 | while ((off < (buflen - 20)) && (*ptr != '\0')){ |
| 809 | if (*ptr == ' '){ |
| 810 | *(buf + off++) = 0x5c; |
| 811 | } |
| 812 | *(buf + off++) = *ptr++; |
| 813 | } |
| 814 | sprintf(buf + off, " f.send_msg %ld", protocol); |
| 815 | } |
| 816 | return buf; |
| 817 | } |
| 818 | |
| 819 | /* |
| 820 | * This callback proc is installed via setting the XmNinsertPosition |
| 821 | * resource on a widget. It ensures that components added |
| 822 | * to a widget are inserted in the correct z-order position |
| 823 | * to match up with their peer/target ordering in Container.java |
| 824 | */ |
| 825 | Cardinal |
| 826 | awt_util_insertCallback(Widget w) |
| 827 | { |
| 828 | jobject peer; |
| 829 | WidgetList children; |
| 830 | Cardinal num_children; |
| 831 | Widget parent; |
| 832 | XtPointer userdata; |
| 833 | Cardinal index; |
| 834 | int32_t pos; |
| 835 | JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| 836 | |
| 837 | parent = XtParent(w); |
| 838 | XtVaGetValues(parent, |
| 839 | XmNnumChildren, &num_children, |
| 840 | XmNchildren, &children, |
| 841 | NULL); |
| 842 | XtVaGetValues(w, XmNuserData, &userdata, NULL); |
| 843 | |
| 844 | index = num_children; /* default is to add to end */ |
| 845 | |
| 846 | if (userdata != NULL) { |
| 847 | peer = (jobject) userdata; |
| 848 | |
| 849 | // SECURITY: We are running on the privileged toolkit thread. |
| 850 | // The peer must *NOT* call into user code |
| 851 | pos = (int32_t) JNU_CallMethodByName(env |
| 852 | ,NULL |
| 853 | ,(jobject) peer |
| 854 | ,"getZOrderPosition_NoClientCode" |
| 855 | ,"()I").i; |
| 856 | if ((*env)->ExceptionOccurred(env)) { |
| 857 | (*env)->ExceptionDescribe(env); |
| 858 | (*env)->ExceptionClear(env); |
| 859 | } |
| 860 | index = (Cardinal) (pos != -1 ? pos : num_children); |
| 861 | } |
| 862 | return index; |
| 863 | } |
| 864 | |
| 865 | void |
| 866 | awt_util_consumeAllXEvents(Widget widget) |
| 867 | { |
| 868 | /* Remove all queued X Events for the window of the widget. */ |
| 869 | |
| 870 | #define ALL_EVENTS_MASK 0xFFFF |
| 871 | |
| 872 | XEvent xev; |
| 873 | |
| 874 | XFlush(awt_display); |
| 875 | while (XCheckWindowEvent(awt_display, XtWindow(widget), |
| 876 | ALL_EVENTS_MASK, &xev)) ; |
| 877 | } |
| 878 | |
| 879 | #endif /* XAWT */ |
| 880 | /** |
| 881 | * Gets the thread we are currently executing on |
| 882 | */ |
| 883 | jobject |
| 884 | awtJNI_GetCurrentThread(JNIEnv *env) { |
| 885 | static jclass threadClass = NULL; |
| 886 | static jmethodID currentThreadMethodID = NULL; |
| 887 | |
| 888 | jobject currentThread = NULL; |
| 889 | |
| 890 | /* Initialize our java identifiers once. Checking before locking |
| 891 | * is a huge performance win. |
| 892 | */ |
| 893 | if (threadClass == NULL) { |
| 894 | // should enter a monitor here... |
| 895 | Boolean err = FALSE; |
| 896 | if (threadClass == NULL) { |
| 897 | jclass tc = (*env)->FindClass(env, "java/lang/Thread"); |
| 898 | threadClass = (*env)->NewGlobalRef(env, tc); |
| 899 | if (threadClass != NULL) { |
| 900 | currentThreadMethodID = (*env)->GetStaticMethodID(env, |
| 901 | threadClass, |
| 902 | "currentThread", |
| 903 | "()Ljava/lang/Thread;" |
| 904 | ); |
| 905 | } |
| 906 | } |
| 907 | if (currentThreadMethodID == NULL) { |
| 908 | threadClass = NULL; |
| 909 | err = TRUE; |
| 910 | } |
| 911 | if (err) { |
| 912 | return NULL; |
| 913 | } |
| 914 | } /* threadClass == NULL*/ |
| 915 | |
| 916 | currentThread = (*env)->CallStaticObjectMethod( |
| 917 | env, threadClass, currentThreadMethodID); |
| 918 | DASSERT(!((*env)->ExceptionOccurred(env))); |
| 919 | /*JNU_PrintString(env, "getCurrentThread() -> ", JNU_ToString(env,currentThread));*/ |
| 920 | return currentThread; |
| 921 | } /* awtJNI_GetCurrentThread() */ |
| 922 | |
| 923 | void |
| 924 | awtJNI_ThreadYield(JNIEnv *env) { |
| 925 | |
| 926 | static jclass threadClass = NULL; |
| 927 | static jmethodID yieldMethodID = NULL; |
| 928 | |
| 929 | /* Initialize our java identifiers once. Checking before locking |
| 930 | * is a huge performance win. |
| 931 | */ |
| 932 | if (threadClass == NULL) { |
| 933 | // should enter a monitor here... |
| 934 | Boolean err = FALSE; |
| 935 | if (threadClass == NULL) { |
| 936 | jclass tc = (*env)->FindClass(env, "java/lang/Thread"); |
| 937 | threadClass = (*env)->NewGlobalRef(env, tc); |
| 938 | (*env)->DeleteLocalRef(env, tc); |
| 939 | if (threadClass != NULL) { |
| 940 | yieldMethodID = (*env)->GetStaticMethodID(env, |
| 941 | threadClass, |
| 942 | "yield", |
| 943 | "()V" |
| 944 | ); |
| 945 | } |
| 946 | } |
| 947 | if (yieldMethodID == NULL) { |
| 948 | threadClass = NULL; |
| 949 | err = TRUE; |
| 950 | } |
| 951 | if (err) { |
| 952 | return; |
| 953 | } |
| 954 | } /* threadClass == NULL*/ |
| 955 | |
| 956 | (*env)->CallStaticVoidMethod(env, threadClass, yieldMethodID); |
| 957 | DASSERT(!((*env)->ExceptionOccurred(env))); |
| 958 | } /* awtJNI_ThreadYield() */ |
| 959 | |
| 960 | #ifndef XAWT |
| 961 | |
| 962 | void |
| 963 | awt_util_cleanupBeforeDestroyWidget(Widget widget) |
| 964 | { |
| 965 | /* Bug 4017222: Drag processing uses global prevWidget. */ |
| 966 | if (widget == prevWidget) { |
| 967 | prevWidget = NULL; |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | static Boolean timeStampUpdated = False; |
| 972 | |
| 973 | static int32_t |
| 974 | isTimeStampUpdated(void* p) { |
| 975 | return timeStampUpdated; |
| 976 | } |
| 977 | |
| 978 | static void |
| 979 | propertyChangeEventHandler(Widget w, XtPointer client_data, |
| 980 | XEvent* event, Boolean* continue_to_dispatch) { |
| 981 | timeStampUpdated = True; |
| 982 | } |
| 983 | |
| 984 | /* |
| 985 | * If the application doesn't receive events with timestamp for a long time |
| 986 | * XtLastTimestampProcessed() will return out-of-date value. This may cause |
| 987 | * selection handling routines to fail (see BugTraq ID 4085183). |
| 988 | * This routine is to resolve this problem. It queries the current X server |
| 989 | * time by appending a zero-length data to a property as prescribed by |
| 990 | * X11 Reference Manual. |
| 991 | * Note that this is a round-trip request, so it can be slow. If you know |
| 992 | * that the Xt timestamp is up-to-date use XtLastTimestampProcessed(). |
| 993 | */ |
| 994 | Time |
| 995 | awt_util_getCurrentServerTime() { |
| 996 | |
| 997 | JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| 998 | static Atom _XA_JAVA_TIME_PROPERTY_ATOM = 0; |
| 999 | Time server_time = 0; |
| 1000 | |
| 1001 | AWT_LOCK(); |
| 1002 | |
| 1003 | if (_XA_JAVA_TIME_PROPERTY_ATOM == 0) { |
| 1004 | XtAddEventHandler(awt_root_shell, PropertyChangeMask, False, |
| 1005 | propertyChangeEventHandler, NULL); |
| 1006 | _XA_JAVA_TIME_PROPERTY_ATOM = XInternAtom(awt_display, "_SUNW_JAVA_AWT_TIME", False); |
| 1007 | } |
| 1008 | |
| 1009 | timeStampUpdated = False; |
| 1010 | XChangeProperty(awt_display, XtWindow(awt_root_shell), |
| 1011 | _XA_JAVA_TIME_PROPERTY_ATOM, XA_ATOM, 32, PropModeAppend, |
| 1012 | (unsigned char *)"", 0); |
| 1013 | XFlush(awt_display); |
| 1014 | |
| 1015 | if (awt_currentThreadIsPrivileged(env)) { |
| 1016 | XEvent event; |
| 1017 | XMaskEvent(awt_display, PropertyChangeMask, &event); |
| 1018 | XtDispatchEvent(&event); |
| 1019 | } else { |
| 1020 | awt_MToolkit_modalWait(isTimeStampUpdated, NULL); |
| 1021 | } |
| 1022 | server_time = XtLastTimestampProcessed(awt_display); |
| 1023 | |
| 1024 | AWT_UNLOCK(); |
| 1025 | |
| 1026 | return server_time; |
| 1027 | } |
| 1028 | |
| 1029 | /* |
| 1030 | * This function is stolen from /src/solaris/hpi/src/system_md.c |
| 1031 | * It is used in setting the time in Java-level InputEvents |
| 1032 | */ |
| 1033 | jlong |
| 1034 | awt_util_nowMillisUTC() |
| 1035 | { |
| 1036 | struct timeval t; |
| 1037 | gettimeofday(&t, NULL); |
| 1038 | return ((jlong)t.tv_sec) * 1000 + (jlong)(t.tv_usec/1000); |
| 1039 | } |
| 1040 | |
| 1041 | /* |
| 1042 | * This function converts between the X server time (number of milliseconds |
| 1043 | * since the last server reset) and the UTC time for the 'when' field of an |
| 1044 | * InputEvent (or another event type with a timestamp). |
| 1045 | */ |
| 1046 | jlong |
| 1047 | awt_util_nowMillisUTC_offset(Time server_offset) |
| 1048 | { |
| 1049 | /* |
| 1050 | * Because Time is of type 'unsigned long', it is possible that Time will |
| 1051 | * never wrap when using 64-bit Xlib. However, if a 64-bit client |
| 1052 | * connects to a 32-bit server, I suspect the values will still wrap. So |
| 1053 | * we should not attempt to remove the wrap checking even if _LP64 is |
| 1054 | * true. |
| 1055 | */ |
| 1056 | static const jlong WRAP_TIME_MILLIS = (jlong)((uint32_t)-1); |
| 1057 | static jlong reset_time_utc; |
| 1058 | |
| 1059 | jlong current_time_utc = awt_util_nowMillisUTC(); |
| 1060 | |
| 1061 | if ((current_time_utc - reset_time_utc) > WRAP_TIME_MILLIS) { |
| 1062 | reset_time_utc = awt_util_nowMillisUTC() - |
| 1063 | awt_util_getCurrentServerTime(); |
| 1064 | } |
| 1065 | |
| 1066 | return reset_time_utc + server_offset; |
| 1067 | } |
| 1068 | |
| 1069 | void awt_util_do_wheel_scroll(Widget scrolled_window, jint scrollType, |
| 1070 | jint scrollAmt, jint wheelAmt) { |
| 1071 | Widget scrollbar = NULL; |
| 1072 | int value; |
| 1073 | int slider_size; |
| 1074 | int min; |
| 1075 | int max; |
| 1076 | int increment; |
| 1077 | int page_increment; |
| 1078 | int scrollAdjustment; |
| 1079 | int newValue; |
| 1080 | |
| 1081 | /* TODO: |
| 1082 | * If a TextArea's scrollbar policy is set to never, it should still |
| 1083 | * wheel scroll, but right now it doesn't. |
| 1084 | */ |
| 1085 | |
| 1086 | scrollbar = awt_util_get_scrollbar_to_scroll(scrolled_window); |
| 1087 | if (scrollbar == NULL) { /* no suitable scrollbar for scrolling */ |
| 1088 | return; |
| 1089 | } |
| 1090 | |
| 1091 | XtVaGetValues(scrollbar, XmNvalue, &value, |
| 1092 | XmNsliderSize, &slider_size, |
| 1093 | XmNminimum, &min, |
| 1094 | XmNmaximum, &max, |
| 1095 | XmNincrement, &increment, |
| 1096 | XmNpageIncrement, &page_increment, NULL); |
| 1097 | |
| 1098 | if (scrollType == java_awt_event_MouseWheelEvent_WHEEL_BLOCK_SCROLL) { |
| 1099 | scrollAdjustment = page_increment; |
| 1100 | } |
| 1101 | else { // WHEEL_UNIT_SCROLL |
| 1102 | scrollAdjustment = increment * scrollAmt; |
| 1103 | } |
| 1104 | |
| 1105 | if (wheelAmt < 0) { |
| 1106 | // Don't need to check that newValue < max - slider_size because |
| 1107 | // newValue < current value. If scrollAmt is ever user-configurable, |
| 1108 | // we'll have to check this. |
| 1109 | newValue = MAX(min, value+ (scrollAdjustment * wheelAmt)); |
| 1110 | } |
| 1111 | else { |
| 1112 | newValue = MIN(max - slider_size, |
| 1113 | value + (scrollAdjustment * wheelAmt)); |
| 1114 | } |
| 1115 | |
| 1116 | XtVaSetValues(scrollbar, XmNvalue, newValue, NULL); |
| 1117 | XtCallCallbacks(scrollbar, XmNvalueChangedCallback, NULL); |
| 1118 | } |
| 1119 | |
| 1120 | |
| 1121 | /* Given a ScrollWindow widget, return the Scrollbar that the wheel should |
| 1122 | * scroll. A null return value means that the ScrollWindow has a scrollbar |
| 1123 | * display policy of none, or that neither scrollbar can be scrolled. |
| 1124 | */ |
| 1125 | Widget awt_util_get_scrollbar_to_scroll(Widget scrolled_window) { |
| 1126 | Widget scrollbar = NULL; |
| 1127 | int value; |
| 1128 | int slider_size; |
| 1129 | int min; |
| 1130 | int max; |
| 1131 | |
| 1132 | /* first, try the vertical scrollbar */ |
| 1133 | XtVaGetValues(scrolled_window, XmNverticalScrollBar, &scrollbar, NULL); |
| 1134 | if (scrollbar != NULL) { |
| 1135 | XtVaGetValues(scrollbar, XmNvalue, &value, |
| 1136 | XmNsliderSize, &slider_size, |
| 1137 | XmNminimum, &min, |
| 1138 | XmNmaximum, &max, NULL); |
| 1139 | if (slider_size < max - min) { |
| 1140 | return scrollbar; |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | /* then, try the horiz */ |
| 1145 | XtVaGetValues(scrolled_window, XmNhorizontalScrollBar, &scrollbar, NULL); |
| 1146 | if (scrollbar != NULL) { |
| 1147 | XtVaGetValues(scrollbar, XmNvalue, &value, |
| 1148 | XmNsliderSize, &slider_size, |
| 1149 | XmNminimum, &min, |
| 1150 | XmNmaximum, &max, NULL); |
| 1151 | if (slider_size < max - min) { |
| 1152 | return scrollbar; |
| 1153 | } |
| 1154 | } |
| 1155 | /* neither is suitable for scrolling */ |
| 1156 | return NULL; |
| 1157 | } |
| 1158 | |
| 1159 | EmbeddedFrame *theEmbeddedFrameList = NULL; |
| 1160 | |
| 1161 | static void awt_util_updateXtCoordinatesForEmbeddedFrame(Widget ef) |
| 1162 | { |
| 1163 | Window ef_window; |
| 1164 | Window win; |
| 1165 | int32_t x, y; |
| 1166 | ef_window = XtWindow(ef); |
| 1167 | if (ef_window != None) { |
| 1168 | if (XTranslateCoordinates(awt_display, ef_window, |
| 1169 | RootWindowOfScreen(XtScreen(ef)), |
| 1170 | 0, 0, &x, &y, &win)) { |
| 1171 | DTRACE_PRINTLN("correcting coordinates"); |
| 1172 | ef->core.x = x; |
| 1173 | ef->core.y = y; |
| 1174 | } |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | Boolean awt_util_processEventForEmbeddedFrame(XEvent *ev) |
| 1179 | { |
| 1180 | EmbeddedFrame *ef; |
| 1181 | Boolean dummy; |
| 1182 | Boolean eventProcessed = False; |
| 1183 | switch (ev->type) { |
| 1184 | case FocusIn: |
| 1185 | case FocusOut: |
| 1186 | ef = theEmbeddedFrameList; |
| 1187 | while (ef != NULL) { |
| 1188 | if (ef->frameContainer == ev->xfocus.window) { |
| 1189 | eventProcessed = True; |
| 1190 | if (isXEmbedActiveByWindow(XtWindow(ef->embeddedFrame))) { |
| 1191 | return True; |
| 1192 | } |
| 1193 | // pretend that the embedded frame gets a focus event |
| 1194 | // the event's window field is not the same as |
| 1195 | // the embeddedFrame's widget, but luckily the shellEH |
| 1196 | // doesnt seem to care about this. |
| 1197 | shellEH(ef->embeddedFrame, ef->javaRef, ev, &dummy); |
| 1198 | } |
| 1199 | ef = ef->next; |
| 1200 | } |
| 1201 | return eventProcessed; |
| 1202 | case ConfigureNotify: |
| 1203 | for (ef = theEmbeddedFrameList; ef != NULL; ef = ef->next) { |
| 1204 | awt_util_updateXtCoordinatesForEmbeddedFrame(ef->embeddedFrame); |
| 1205 | } |
| 1206 | return True; |
| 1207 | } |
| 1208 | return False; |
| 1209 | } |
| 1210 | |
| 1211 | void awt_util_addEmbeddedFrame(Widget embeddedFrame, jobject javaRef) |
| 1212 | { |
| 1213 | EmbeddedFrame *ef, *eflist; |
| 1214 | Atom WM_STATE; |
| 1215 | Window win; |
| 1216 | Window parent, root; |
| 1217 | Window *children; |
| 1218 | uint32_t nchildren; |
| 1219 | Atom type = None; |
| 1220 | int32_t format; |
| 1221 | unsigned long nitems, after; |
| 1222 | unsigned char * data; |
| 1223 | XWindowAttributes win_attributes; |
| 1224 | |
| 1225 | WM_STATE = XInternAtom(awt_display, "WM_STATE", True); |
| 1226 | if (WM_STATE == None) { |
| 1227 | return; |
| 1228 | } |
| 1229 | win = XtWindow(embeddedFrame); |
| 1230 | if (win == None) |
| 1231 | return; |
| 1232 | /* |
| 1233 | * according to XICCM, we search our toplevel window |
| 1234 | * by looking for WM_STATE property |
| 1235 | */ |
| 1236 | while (True) { |
| 1237 | if (!XQueryTree(awt_display, win, &root, &parent, |
| 1238 | &children, &nchildren)) { |
| 1239 | return; |
| 1240 | } |
| 1241 | if (children) { |
| 1242 | XFree(children); |
| 1243 | } |
| 1244 | if (parent == NULL || parent == root) { |
| 1245 | return; |
| 1246 | } |
| 1247 | win = parent; |
| 1248 | /* |
| 1249 | * Add StructureNotifyMask through hierarchy upto toplevel |
| 1250 | */ |
| 1251 | XGetWindowAttributes(awt_display, win, &win_attributes); |
| 1252 | XSelectInput(awt_display, win, win_attributes.your_event_mask | |
| 1253 | StructureNotifyMask); |
| 1254 | |
| 1255 | if (XGetWindowProperty(awt_display, win, WM_STATE, |
| 1256 | 0, 0, False, AnyPropertyType, |
| 1257 | &type, &format, &nitems, &after, &data) == Success) { |
| 1258 | XFree(data); |
| 1259 | if (type) { |
| 1260 | break; |
| 1261 | } |
| 1262 | } |
| 1263 | } |
| 1264 | ef = (EmbeddedFrame *) malloc(sizeof(EmbeddedFrame)); |
| 1265 | if (ef == NULL) { |
| 1266 | JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), |
| 1267 | "OutOfMemory in awt_util_addEmbeddedFrame"); |
| 1268 | return; |
| 1269 | } |
| 1270 | ef->embeddedFrame = embeddedFrame; |
| 1271 | ef->frameContainer = win; |
| 1272 | ef->javaRef = javaRef; |
| 1273 | ef->eventSelectedPreviously = False; |
| 1274 | /* initialize the xt coordinates */ |
| 1275 | awt_util_updateXtCoordinatesForEmbeddedFrame(embeddedFrame); |
| 1276 | |
| 1277 | /* |
| 1278 | * go through the exisiting embedded frames see if we have |
| 1279 | * already selected the event on the same frameContainer |
| 1280 | */ |
| 1281 | eflist = theEmbeddedFrameList; |
| 1282 | while (eflist != NULL) { |
| 1283 | if (eflist->frameContainer == win) { |
| 1284 | break; |
| 1285 | } |
| 1286 | eflist = eflist->next; |
| 1287 | } |
| 1288 | if (eflist != NULL) { |
| 1289 | /* |
| 1290 | * we already have a embedded frame selecting this container's |
| 1291 | * event, we remember its eventSelectedPreviously value |
| 1292 | * so that we know whether to deselect later when we are removed |
| 1293 | */ |
| 1294 | ef->eventSelectedPreviously = eflist->eventSelectedPreviously; |
| 1295 | } else { |
| 1296 | XGetWindowAttributes(awt_display, ef->frameContainer, |
| 1297 | &win_attributes); |
| 1298 | XSelectInput(awt_display, ef->frameContainer, |
| 1299 | win_attributes.your_event_mask | FocusChangeMask); |
| 1300 | } |
| 1301 | |
| 1302 | /* ef will become the head of the embedded frame list */ |
| 1303 | ef->next = theEmbeddedFrameList; |
| 1304 | if (theEmbeddedFrameList != NULL) { |
| 1305 | theEmbeddedFrameList->prev = ef; |
| 1306 | } |
| 1307 | ef->prev = NULL; |
| 1308 | theEmbeddedFrameList = ef; |
| 1309 | } |
| 1310 | |
| 1311 | void awt_util_delEmbeddedFrame(Widget embeddedFrame) |
| 1312 | { |
| 1313 | EmbeddedFrame *ef = theEmbeddedFrameList; |
| 1314 | Window frameContainer; |
| 1315 | XWindowAttributes win_attributes; |
| 1316 | Boolean needToDeselect; |
| 1317 | |
| 1318 | while (ef != NULL) { |
| 1319 | if (ef->embeddedFrame == embeddedFrame) { |
| 1320 | break; |
| 1321 | } |
| 1322 | ef = ef->next; |
| 1323 | } |
| 1324 | if (ef == NULL) { /* cannot find specified embedded frame */ |
| 1325 | return; |
| 1326 | } |
| 1327 | /* remove ef from link list EmbeddedFrameList */ |
| 1328 | if (ef->prev) { |
| 1329 | ef->prev->next = ef->next; |
| 1330 | } |
| 1331 | if (ef->next) { |
| 1332 | ef->next->prev = ef->prev; |
| 1333 | } |
| 1334 | if (theEmbeddedFrameList == ef) { |
| 1335 | theEmbeddedFrameList = ef->next; |
| 1336 | } |
| 1337 | |
| 1338 | frameContainer = ef->frameContainer; |
| 1339 | needToDeselect = ef->eventSelectedPreviously ? False : True; |
| 1340 | free(ef); |
| 1341 | if (!needToDeselect) { |
| 1342 | return; |
| 1343 | } |
| 1344 | /* |
| 1345 | * now decide whether we need to stop listenning event for |
| 1346 | * frameContainer |
| 1347 | */ |
| 1348 | ef = theEmbeddedFrameList; |
| 1349 | while (ef != NULL) { |
| 1350 | if (ef->frameContainer == frameContainer) { |
| 1351 | break; |
| 1352 | } |
| 1353 | ef = ef->next; |
| 1354 | } |
| 1355 | if (ef == NULL) { |
| 1356 | /* |
| 1357 | * if we get here, no one is interested in this frame |
| 1358 | * and StructureNotify was not selected by anyone else |
| 1359 | * so we deselect it |
| 1360 | */ |
| 1361 | DTRACE_PRINTLN("remove event from frame"); |
| 1362 | XGetWindowAttributes(awt_display, frameContainer, &win_attributes); |
| 1363 | XSelectInput(awt_display, frameContainer, |
| 1364 | win_attributes.your_event_mask & |
| 1365 | (~FocusChangeMask)); |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | #endif /* XAWT */ |
| 1370 | |
| 1371 | void awt_util_debug_init() { |
| 1372 | #if defined(DEBUG) |
| 1373 | DTrace_Initialize(); |
| 1374 | #endif |
| 1375 | } |
| 1376 | |
| 1377 | static void awt_util_debug_fini() { |
| 1378 | #if defined(DEBUG) |
| 1379 | DTrace_Shutdown(); |
| 1380 | #endif |
| 1381 | } |