src/event.c

   1 /* event.c- event loop and handling
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #ifdef HAVE_INOTIFY
  25 #include <sys/select.h>
  26 #include <sys/inotify.h>
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <unistd.h>
  32 #include <string.h>
  33 #include <strings.h>
  34 #include <time.h>
  35
  36 #include <X11/Xlib.h>
  37 #include <X11/Xutil.h>
  38 #ifdef SHAPE
  39 # include <X11/extensions/shape.h>
  40 #endif
  41 #ifdef XDND
  42 #include "xdnd.h"
  43 #endif
  44
  45 #ifdef HAVE_XRANDR
  46 #include <X11/extensions/Xrandr.h>
  47 #endif
  48
  49 #ifdef KEEP_XKB_LOCK_STATUS
  50 #include <X11/XKBlib.h>
  51 #endif                          /* KEEP_XKB_LOCK_STATUS */
  52
  53 #include "WindowMaker.h"
  54 #include "window.h"
  55 #include "actions.h"
  56 #include "client.h"
  57 #include "main.h"
  58 #include "cycling.h"
  59 #include "keybind.h"
  60 #include "application.h"
  61 #include "stacking.h"
  62 #include "defaults.h"
  63 #include "workspace.h"
  64 #include "dock.h"
  65 #include "framewin.h"
  66 #include "properties.h"
  67 #include "balloon.h"
  68 #include "xinerama.h"
  69 #include "wmspec.h"
  70 #include "rootmenu.h"
  71 #include "colormap.h"
  72 #include "screen.h"
  73 #include "shutdown.h"
  74 #include "misc.h"
  75 #include "event.h"
  76 #include "winmenu.h"
  77 #include "switchmenu.h"
  78
  79 /******** Global Variables **********/
  80 extern WShortKey wKeyBindings[WKBD_LAST];
  81 extern int wScreenCount;
  82
  83 #define MOD_MASK wPreferences.modifier_mask
  84
  85 #ifdef SHAPE
  86 extern Bool wShapeSupported;
  87 extern int wShapeEventBase;
  88 #endif
  89
  90 #ifdef KEEP_XKB_LOCK_STATUS
  91 extern int wXkbEventBase;
  92 #endif
  93
  94 /************ Local stuff ***********/
  95
  96 static void saveTimestamp(XEvent *event);
  97 static void handleColormapNotify(XEvent *event);
  98 static void handleMapNotify(XEvent *event);
  99 static void handleUnmapNotify(XEvent *event);
 100 static void handleButtonPress(XEvent *event);
 101 static void handleExpose(XEvent *event);
 102 static void handleDestroyNotify(XEvent *event);
 103 static void handleConfigureRequest(XEvent *event);
 104 static void handleMapRequest(XEvent *event);
 105 static void handlePropertyNotify(XEvent *event);
 106 static void handleEnterNotify(XEvent *event);
 107 static void handleLeaveNotify(XEvent *event);
 108 static void handleExtensions(XEvent *event);
 109 static void handleClientMessage(XEvent *event);
 110 static void handleKeyPress(XEvent *event);
 111 static void handleFocusIn(XEvent *event);
 112 static void handleMotionNotify(XEvent *event);
 113 static void handleVisibilityNotify(XEvent *event);
 114 static void handle_inotify_events(int fd, int wd);
 115 static void wdelete_death_handler(WMagicNumber id);
 116
 117
 118 #ifdef SHAPE
 119 static void handleShapeNotify(XEvent *event);
 120 #endif
 121
 122 #ifdef KEEP_XKB_LOCK_STATUS
 123 static void handleXkbIndicatorStateNotify(XEvent *event);
 124 #endif
 125
 126 /* real dead process handler */
 127 static void handleDeadProcess(void *foo);
 128
 129 typedef struct DeadProcesses {
 130         pid_t pid;
 131         unsigned char exit_status;
 132 } DeadProcesses;
 133
 134 /* stack of dead processes */
 135 static DeadProcesses deadProcesses[MAX_DEAD_PROCESSES];
 136 static int deadProcessPtr = 0;
 137
 138 typedef struct DeathHandler {
 139         WDeathHandler *callback;
 140         pid_t pid;
 141         void *client_data;
 142 } DeathHandler;
 143
 144 static WMArray *deathHandlers = NULL;
 145
 146 WMagicNumber wAddDeathHandler(pid_t pid, WDeathHandler * callback, void *cdata)
 147 {
 148         DeathHandler *handler;
 149
 150         handler = malloc(sizeof(DeathHandler));
 151         if (!handler)
 152                 return 0;
 153
 154         handler->pid = pid;
 155         handler->callback = callback;
 156         handler->client_data = cdata;
 157
 158         if (!deathHandlers)
 159                 deathHandlers = WMCreateArrayWithDestructor(8, free);
 160
 161         WMAddToArray(deathHandlers, handler);
 162
 163         return handler;
 164 }
 165
 166 static void wdelete_death_handler(WMagicNumber id)
 167 {
 168         DeathHandler *handler = (DeathHandler *) id;
 169
 170         if (!handler || !deathHandlers)
 171                 return;
 172
 173         /* array destructor will call free(handler) */
 174         WMRemoveFromArray(deathHandlers, handler);
 175 }
 176
 177 void DispatchEvent(XEvent * event)
 178 {
 179         if (deathHandlers)
 180                 handleDeadProcess(NULL);
 181
 182         if (WCHECK_STATE(WSTATE_NEED_EXIT)) {
 183                 WCHANGE_STATE(WSTATE_EXITING);
 184                 /* received SIGTERM */
 185                 /*
 186                  * WMHandleEvent() can't be called from anything
 187                  * executed inside here, or we can get in a infinite
 188                  * recursive loop.
 189                  */
 190                 Shutdown(WSExitMode);
 191
 192         } else if (WCHECK_STATE(WSTATE_NEED_RESTART)) {
 193                 WCHANGE_STATE(WSTATE_RESTARTING);
 194
 195                 Shutdown(WSRestartPreparationMode);
 196                 /* received SIGHUP */
 197                 Restart(NULL, True);
 198         } else if (WCHECK_STATE(WSTATE_NEED_REREAD)) {
 199                 WCHANGE_STATE(WSTATE_NORMAL);
 200                 wDefaultsCheckDomains(NULL);
 201         }
 202
 203         /* for the case that all that is wanted to be dispatched is
 204          * the stuff above */
 205         if (!event)
 206                 return;
 207
 208         saveTimestamp(event);
 209         switch (event->type) {
 210         case MapRequest:
 211                 handleMapRequest(event);
 212                 break;
 213
 214         case KeyPress:
 215                 handleKeyPress(event);
 216                 break;
 217
 218         case MotionNotify:
 219                 handleMotionNotify(event);
 220                 break;
 221
 222         case ConfigureRequest:
 223                 handleConfigureRequest(event);
 224                 break;
 225
 226         case DestroyNotify:
 227                 handleDestroyNotify(event);
 228                 break;
 229
 230         case MapNotify:
 231                 handleMapNotify(event);
 232                 break;
 233
 234         case UnmapNotify:
 235                 handleUnmapNotify(event);
 236                 break;
 237
 238         case ButtonPress:
 239                 handleButtonPress(event);
 240                 break;
 241
 242         case Expose:
 243                 handleExpose(event);
 244                 break;
 245
 246         case PropertyNotify:
 247                 handlePropertyNotify(event);
 248                 break;
 249
 250         case EnterNotify:
 251                 handleEnterNotify(event);
 252                 break;
 253
 254         case LeaveNotify:
 255                 handleLeaveNotify(event);
 256                 break;
 257
 258         case ClientMessage:
 259                 handleClientMessage(event);
 260                 break;
 261
 262         case ColormapNotify:
 263                 handleColormapNotify(event);
 264                 break;
 265
 266         case MappingNotify:
 267                 if (event->xmapping.request == MappingKeyboard || event->xmapping.request == MappingModifier)
 268                         XRefreshKeyboardMapping(&event->xmapping);
 269                 break;
 270
 271         case FocusIn:
 272                 handleFocusIn(event);
 273                 break;
 274
 275         case VisibilityNotify:
 276                 handleVisibilityNotify(event);
 277                 break;
 278
 279         case ConfigureNotify:
 280 #ifdef HAVE_XRANDR
 281                 if (event->xconfigure.window == DefaultRootWindow(dpy))
 282                         XRRUpdateConfiguration(event);
 283 #endif
 284                 break;
 285
 286         default:
 287                 handleExtensions(event);
 288                 break;
 289         }
 290 }
 291
 292 #ifdef HAVE_INOTIFY
 293 /*
 294  *----------------------------------------------------------------------
 295  * handle_inotify_events-
 296  *      Check for inotify events
 297  *
 298  * Returns:
 299  *      After reading events for the given file descriptor (fd) and
 300  *     watch descriptor (wd)
 301  *
 302  * Side effects:
 303  *      Calls wDefaultsCheckDomains if config database is updated
 304  *----------------------------------------------------------------------
 305  */
 306 /* allow 5 simultaneous events, with path + filenames up to 64 chars */
 307 #define BUFF_SIZE ((sizeof(struct inotify_event) + 64)*5)
 308 static void handle_inotify_events(int fd, int wd)
 309 {
 310         ssize_t eventQLength, i = 0;
 311         char buff[BUFF_SIZE] = { 0 };
 312         /* Check config only once per read of the event queue */
 313         int oneShotFlag = 0;
 314
 315         /*
 316          * Read off the queued events
 317          * queue overflow is not checked (IN_Q_OVERFLOW). In practise this should
 318          * not occur; the block is on Xevents, but a config file change will normally
 319          * occur as a result of an Xevent - so the event queue should never have more than
 320          * a few entries before a read().
 321          */
 322         eventQLength = read(fd, buff, BUFF_SIZE);
 323
 324         /* check what events occured */
 325         /* Should really check wd here too, but for now we only have one watch! */
 326         while (i < eventQLength) {
 327                 struct inotify_event *pevent = (struct inotify_event *)&buff[i];
 328
 329                 /*
 330                  * see inotify.h for event types.
 331                  */
 332                 if (pevent->mask & IN_DELETE_SELF) {
 333                         wwarning(_("the defaults database has been deleted!"
 334                                    " Restart Window Maker to create the database" " with the default settings"));
 335                         close(fd);
 336                 }
 337                 if (pevent->mask & IN_UNMOUNT) {
 338                         wwarning(_("the unit containing the defaults database has"
 339                                    " been unmounted. Setting --static mode." " Any changes will not be saved."));
 340                         close(fd);
 341                         wPreferences.flags.noupdates = 1;
 342                 }
 343                 if ((pevent->mask & IN_MODIFY) && oneShotFlag == 0) {
 344                         wwarning(_("Inotify: Reading config files in defaults database."));
 345                         wDefaultsCheckDomains(NULL);
 346                 }
 347
 348                 /* move to next event in the buffer */
 349                 i += sizeof(struct inotify_event) + pevent->len;
 350         }
 351 }
 352 #endif /* HAVE_INOTIFY */
 353
 354 /*
 355  *----------------------------------------------------------------------
 356  * EventLoop-
 357  *      Processes X and internal events indefinitely.
 358  *
 359  * Returns:
 360  *      Never returns
 361  *
 362  * Side effects:
 363  *      The LastTimestamp global variable is updated.
 364  *      Calls inotifyGetEvents if defaults database changes.
 365  *----------------------------------------------------------------------
 366  */
 367 noreturn void EventLoop(void)
 368 {
 369         XEvent event;
 370 #ifdef HAVE_INOTIFY
 371         extern int inotifyFD;
 372         extern int inotifyWD;
 373         struct timeval time;
 374         fd_set rfds;
 375         int retVal = 0;
 376
 377         if (inotifyFD < 0 || inotifyWD < 0)
 378                 retVal = -1;
 379 #endif
 380
 381         for (;;) {
 382
 383                 WMNextEvent(dpy, &event);       /* Blocks here */
 384                 WMHandleEvent(&event);
 385 #ifdef HAVE_INOTIFY
 386                 if (retVal != -1) {
 387                         time.tv_sec = 0;
 388                         time.tv_usec = 0;
 389                         FD_ZERO(&rfds);
 390                         FD_SET(inotifyFD, &rfds);
 391
 392                         /* check for available read data from inotify - don't block! */
 393                         retVal = select(inotifyFD + 1, &rfds, NULL, NULL, &time);
 394
 395                         if (retVal < 0) {       /* an error has occured */
 396                                 wwarning(_("select failed. The inotify instance will be closed."
 397                                            " Changes to the defaults database will require"
 398                                            " a restart to take effect."));
 399                                 close(inotifyFD);
 400                                 continue;
 401                         }
 402                         if (FD_ISSET(inotifyFD, &rfds))
 403                                 handle_inotify_events(inotifyFD, inotifyWD);
 404                 }
 405 #endif
 406         }
 407 }
 408
 409 /*
 410  *----------------------------------------------------------------------
 411  * ProcessPendingEvents --
 412  *      Processes the events that are currently pending (at the time
 413  *      this function is called) in the display's queue.
 414  *
 415  * Returns:
 416  *      After the pending events that were present at the function call
 417  *      are processed.
 418  *
 419  * Side effects:
 420  *      Many -- whatever handling events may involve.
 421  *
 422  *----------------------------------------------------------------------
 423  */
 424 void ProcessPendingEvents(void)
 425 {
 426         XEvent event;
 427         int count;
 428
 429         XSync(dpy, False);
 430
 431         /* Take a snapshot of the event count in the queue */
 432         count = XPending(dpy);
 433
 434         while (count > 0 && XPending(dpy)) {
 435                 WMNextEvent(dpy, &event);
 436                 WMHandleEvent(&event);
 437                 count--;
 438         }
 439 }
 440
 441 Bool IsDoubleClick(WScreen * scr, XEvent * event)
 442 {
 443         if ((scr->last_click_time > 0) &&
 444             (event->xbutton.time - scr->last_click_time <= wPreferences.dblclick_time)
 445             && (event->xbutton.button == scr->last_click_button)
 446             && (event->xbutton.window == scr->last_click_window)) {
 447
 448                 scr->flags.next_click_is_not_double = 1;
 449                 scr->last_click_time = 0;
 450                 scr->last_click_window = event->xbutton.window;
 451
 452                 return True;
 453         }
 454         return False;
 455 }
 456
 457 void NotifyDeadProcess(pid_t pid, unsigned char status)
 458 {
 459         if (deadProcessPtr >= MAX_DEAD_PROCESSES - 1) {
 460                 wwarning("stack overflow: too many dead processes");
 461                 return;
 462         }
 463         /* stack the process to be handled later,
 464          * as this is called from the signal handler */
 465         deadProcesses[deadProcessPtr].pid = pid;
 466         deadProcesses[deadProcessPtr].exit_status = status;
 467         deadProcessPtr++;
 468 }
 469
 470 static void handleDeadProcess(void *foo)
 471 {
 472         DeathHandler *tmp;
 473         int i;
 474
 475         for (i = 0; i < deadProcessPtr; i++) {
 476                 wWindowDeleteSavedStatesForPID(deadProcesses[i].pid);
 477         }
 478
 479         if (!deathHandlers) {
 480                 deadProcessPtr = 0;
 481                 return;
 482         }
 483
 484         /* get the pids on the queue and call handlers */
 485         while (deadProcessPtr > 0) {
 486                 deadProcessPtr--;
 487
 488                 for (i = WMGetArrayItemCount(deathHandlers) - 1; i >= 0; i--) {
 489                         tmp = WMGetFromArray(deathHandlers, i);
 490                         if (!tmp)
 491                                 continue;
 492
 493                         if (tmp->pid == deadProcesses[deadProcessPtr].pid) {
 494                                 (*tmp->callback) (tmp->pid,
 495                                                   deadProcesses[deadProcessPtr].exit_status, tmp->client_data);
 496                                 wdelete_death_handler(tmp);
 497                         }
 498                 }
 499         }
 500 }
 501
 502 static void saveTimestamp(XEvent * event)
 503 {
 504         /*
 505          * Never save CurrentTime as LastTimestamp because CurrentTime
 506          * it's not a real timestamp (it's the 0L constant)
 507          */
 508
 509         switch (event->type) {
 510         case ButtonRelease:
 511         case ButtonPress:
 512                 w_global.timestamp.last_event = event->xbutton.time;
 513                 break;
 514         case KeyPress:
 515         case KeyRelease:
 516                 w_global.timestamp.last_event = event->xkey.time;
 517                 break;
 518         case MotionNotify:
 519                 w_global.timestamp.last_event = event->xmotion.time;
 520                 break;
 521         case PropertyNotify:
 522                 w_global.timestamp.last_event = event->xproperty.time;
 523                 break;
 524         case EnterNotify:
 525         case LeaveNotify:
 526                 w_global.timestamp.last_event = event->xcrossing.time;
 527                 break;
 528         case SelectionClear:
 529                 w_global.timestamp.last_event = event->xselectionclear.time;
 530                 break;
 531         case SelectionRequest:
 532                 w_global.timestamp.last_event = event->xselectionrequest.time;
 533                 break;
 534         case SelectionNotify:
 535                 w_global.timestamp.last_event = event->xselection.time;
 536 #ifdef XDND
 537                 wXDNDProcessSelection(event);
 538 #endif
 539                 break;
 540         }
 541 }
 542
 543 static int matchWindow(const void *item, const void *cdata)
 544 {
 545         return (((WFakeGroupLeader *) item)->origLeader == (Window) cdata);
 546 }
 547
 548 static void handleExtensions(XEvent * event)
 549 {
 550 #ifdef KEEP_XKB_LOCK_STATUS
 551         XkbEvent *xkbevent;
 552         xkbevent = (XkbEvent *) event;
 553 #endif                          /*KEEP_XKB_LOCK_STATUS */
 554 #ifdef SHAPE
 555         if (wShapeSupported && event->type == (wShapeEventBase + ShapeNotify)) {
 556                 handleShapeNotify(event);
 557         }
 558 #endif
 559 #ifdef KEEP_XKB_LOCK_STATUS
 560         if (wPreferences.modelock && (xkbevent->type == wXkbEventBase)) {
 561                 handleXkbIndicatorStateNotify(event);
 562         }
 563 #endif                          /*KEEP_XKB_LOCK_STATUS */
 564 #ifdef HAVE_XRANDR
 565         if (has_randr && event->type == (randr_event_base + RRScreenChangeNotify)) {
 566                 /* From xrandr man page: "Clients must call back into Xlib using
 567                  * XRRUpdateConfiguration when screen configuration change notify
 568                  * events are generated */
 569                 XRRUpdateConfiguration(event);
 570                 WCHANGE_STATE(WSTATE_RESTARTING);
 571                 Shutdown(WSRestartPreparationMode);
 572                 Restart(NULL,True);
 573         }
 574 #endif
 575 }
 576
 577 static void handleMapRequest(XEvent * ev)
 578 {
 579         WWindow *wwin;
 580         WScreen *scr = NULL;
 581         Window window = ev->xmaprequest.window;
 582
 583         if ((wwin = wWindowFor(window))) {
 584                 if (wwin->flags.shaded) {
 585                         wUnshadeWindow(wwin);
 586                 }
 587                 /* deiconify window */
 588                 if (wwin->flags.miniaturized) {
 589                         wDeiconifyWindow(wwin);
 590                 } else if (wwin->flags.hidden) {
 591                         WApplication *wapp = wApplicationOf(wwin->main_window);
 592                         /* go to the last workspace that the user worked on the app */
 593                         if (wapp) {
 594                                 wWorkspaceChange(wwin->screen_ptr, wapp->last_workspace);
 595                         }
 596                         wUnhideApplication(wapp, False, False);
 597                 }
 598                 return;
 599         }
 600
 601         scr = wScreenForRootWindow(ev->xmaprequest.parent);
 602
 603         wwin = wManageWindow(scr, window);
 604
 605         /*
 606          * This is to let the Dock know that the application it launched
 607          * has already been mapped (eg: it has finished launching).
 608          * It is not necessary for normally docked apps, but is needed for
 609          * apps that were forcedly docked (like with dockit).
 610          */
 611         if (scr->last_dock) {
 612                 if (wwin && wwin->main_window != None && wwin->main_window != window)
 613                         wDockTrackWindowLaunch(scr->last_dock, wwin->main_window);
 614                 else
 615                         wDockTrackWindowLaunch(scr->last_dock, window);
 616         }
 617
 618         if (wwin) {
 619                 wClientSetState(wwin, NormalState, None);
 620                 if (wwin->flags.maximized) {
 621                         wMaximizeWindow(wwin, wwin->flags.maximized);
 622                 }
 623                 if (wwin->flags.shaded) {
 624                         wwin->flags.shaded = 0;
 625                         wwin->flags.skip_next_animation = 1;
 626                         wShadeWindow(wwin);
 627                 }
 628                 if (wwin->flags.miniaturized) {
 629                         wwin->flags.miniaturized = 0;
 630                         wwin->flags.skip_next_animation = 1;
 631                         wIconifyWindow(wwin);
 632                 }
 633                 if (wwin->flags.fullscreen) {
 634                         wwin->flags.fullscreen = 0;
 635                         wFullscreenWindow(wwin);
 636                 }
 637                 if (wwin->flags.hidden) {
 638                         WApplication *wapp = wApplicationOf(wwin->main_window);
 639
 640                         wwin->flags.hidden = 0;
 641                         wwin->flags.skip_next_animation = 1;
 642                         if (wapp) {
 643                                 wHideApplication(wapp);
 644                         }
 645                 }
 646         }
 647 }
 648
 649 static void handleDestroyNotify(XEvent * event)
 650 {
 651         WWindow *wwin;
 652         WApplication *app;
 653         Window window = event->xdestroywindow.window;
 654         WScreen *scr = wScreenForRootWindow(event->xdestroywindow.event);
 655         int widx;
 656
 657         wwin = wWindowFor(window);
 658         if (wwin) {
 659                 wUnmanageWindow(wwin, False, True);
 660         }
 661
 662         if (scr != NULL) {
 663                 while ((widx = WMFindInArray(scr->fakeGroupLeaders, matchWindow, (void *)window)) != WANotFound) {
 664                         WFakeGroupLeader *fPtr;
 665
 666                         fPtr = WMGetFromArray(scr->fakeGroupLeaders, widx);
 667                         if (fPtr->retainCount > 0) {
 668                                 fPtr->retainCount--;
 669                                 if (fPtr->retainCount == 0 && fPtr->leader != None) {
 670                                         XDestroyWindow(dpy, fPtr->leader);
 671                                         fPtr->leader = None;
 672                                         XFlush(dpy);
 673                                 }
 674                         }
 675                         fPtr->origLeader = None;
 676                 }
 677         }
 678
 679         app = wApplicationOf(window);
 680         if (app) {
 681                 if (window == app->main_window) {
 682                         app->refcount = 0;
 683                         wwin = app->main_window_desc->screen_ptr->focused_window;
 684                         while (wwin) {
 685                                 if (wwin->main_window == window) {
 686                                         wwin->main_window = None;
 687                                 }
 688                                 wwin = wwin->prev;
 689                         }
 690                 }
 691                 wApplicationDestroy(app);
 692         }
 693 }
 694
 695 static void handleExpose(XEvent * event)
 696 {
 697         WObjDescriptor *desc;
 698         XEvent ev;
 699
 700         while (XCheckTypedWindowEvent(dpy, event->xexpose.window, Expose, &ev)) ;
 701
 702         if (XFindContext(dpy, event->xexpose.window, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 703                 return;
 704         }
 705
 706         if (desc->handle_expose) {
 707                 (*desc->handle_expose) (desc, event);
 708         }
 709 }
 710
 711 static void executeButtonAction(WScreen * scr, XEvent * event, int action)
 712 {
 713         switch (action) {
 714         case WA_SELECT_WINDOWS:
 715                 wUnselectWindows(scr);
 716                 wSelectWindows(scr, event);
 717                 break;
 718         case WA_OPEN_APPMENU:
 719                 OpenRootMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 720                 /* ugly hack */
 721                 if (scr->root_menu) {
 722                         if (scr->root_menu->brother->flags.mapped)
 723                                 event->xbutton.window = scr->root_menu->brother->frame->core->window;
 724                         else
 725                                 event->xbutton.window = scr->root_menu->frame->core->window;
 726                 }
 727                 break;
 728         case WA_OPEN_WINLISTMENU:
 729                 OpenSwitchMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 730                 if (scr->switch_menu) {
 731                         if (scr->switch_menu->brother->flags.mapped)
 732                                 event->xbutton.window = scr->switch_menu->brother->frame->core->window;
 733                         else
 734                                 event->xbutton.window = scr->switch_menu->frame->core->window;
 735                 }
 736                 break;
 737         default:
 738                 break;
 739         }
 740 }
 741
 742 /* bindable */
 743 static void handleButtonPress(XEvent * event)
 744 {
 745         WObjDescriptor *desc;
 746         WScreen *scr;
 747
 748         scr = wScreenForRootWindow(event->xbutton.root);
 749
 750 #ifdef BALLOON_TEXT
 751         wBalloonHide(scr);
 752 #endif
 753
 754         if (event->xbutton.window == scr->root_win) {
 755                 if (event->xbutton.button == Button1 && wPreferences.mouse_button1 != WA_NONE) {
 756                         executeButtonAction(scr, event, wPreferences.mouse_button1);
 757                 } else if (event->xbutton.button == Button2 && wPreferences.mouse_button2 != WA_NONE) {
 758                         executeButtonAction(scr, event, wPreferences.mouse_button2);
 759                 } else if (event->xbutton.button == Button3 && wPreferences.mouse_button3 != WA_NONE) {
 760                         executeButtonAction(scr, event, wPreferences.mouse_button3);
 761                 } else if (event->xbutton.button == Button4 && wPreferences.mouse_wheel != WA_NONE) {
 762                         wWorkspaceRelativeChange(scr, 1);
 763                 } else if (event->xbutton.button == Button5 && wPreferences.mouse_wheel != WA_NONE) {
 764                         wWorkspaceRelativeChange(scr, -1);
 765                 }
 766         }
 767
 768         desc = NULL;
 769         if (XFindContext(dpy, event->xbutton.subwindow, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 770                 if (XFindContext(dpy, event->xbutton.window, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 771                         return;
 772                 }
 773         }
 774
 775         if (desc->parent_type == WCLASS_WINDOW) {
 776                 XSync(dpy, 0);
 777
 778                 if (event->xbutton.state & ( MOD_MASK | ControlMask )) {
 779                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 780                 } else {
 781                         /*      if (wPreferences.focus_mode == WKF_CLICK) { */
 782                         if (wPreferences.ignore_focus_click) {
 783                                 XAllowEvents(dpy, AsyncPointer, CurrentTime);
 784                         }
 785                         XAllowEvents(dpy, ReplayPointer, CurrentTime);
 786                         /*      } */
 787                 }
 788                 XSync(dpy, 0);
 789         } else if (desc->parent_type == WCLASS_APPICON
 790                    || desc->parent_type == WCLASS_MINIWINDOW || desc->parent_type == WCLASS_DOCK_ICON) {
 791                 if (event->xbutton.state & MOD_MASK) {
 792                         XSync(dpy, 0);
 793                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 794                         XSync(dpy, 0);
 795                 }
 796         }
 797
 798         if (desc->handle_mousedown != NULL) {
 799                 (*desc->handle_mousedown) (desc, event);
 800         }
 801
 802         /* save double-click information */
 803         if (scr->flags.next_click_is_not_double) {
 804                 scr->flags.next_click_is_not_double = 0;
 805         } else {
 806                 scr->last_click_time = event->xbutton.time;
 807                 scr->last_click_button = event->xbutton.button;
 808                 scr->last_click_window = event->xbutton.window;
 809         }
 810 }
 811
 812 static void handleMapNotify(XEvent * event)
 813 {
 814         WWindow *wwin;
 815
 816         wwin = wWindowFor(event->xmap.event);
 817         if (wwin && wwin->client_win == event->xmap.event) {
 818                 if (wwin->flags.miniaturized) {
 819                         wDeiconifyWindow(wwin);
 820                 } else {
 821                         XGrabServer(dpy);
 822                         wWindowMap(wwin);
 823                         wClientSetState(wwin, NormalState, None);
 824                         XUngrabServer(dpy);
 825                 }
 826         }
 827 }
 828
 829 static void handleUnmapNotify(XEvent * event)
 830 {
 831         WWindow *wwin;
 832         XEvent ev;
 833         Bool withdraw = False;
 834
 835         /* only process windows with StructureNotify selected
 836          * (ignore SubstructureNotify) */
 837         wwin = wWindowFor(event->xunmap.window);
 838         if (!wwin)
 839                 return;
 840
 841         /* whether the event is a Withdrawal request */
 842         if (event->xunmap.event == wwin->screen_ptr->root_win && event->xunmap.send_event)
 843                 withdraw = True;
 844
 845         if (wwin->client_win != event->xunmap.event && !withdraw)
 846                 return;
 847
 848         if (!wwin->flags.mapped && !withdraw
 849             && wwin->frame->workspace == w_global.workspace.current
 850             && !wwin->flags.miniaturized && !wwin->flags.hidden)
 851                 return;
 852
 853         XGrabServer(dpy);
 854         XUnmapWindow(dpy, wwin->frame->core->window);
 855         wwin->flags.mapped = 0;
 856         XSync(dpy, 0);
 857         /* check if the window was destroyed */
 858         if (XCheckTypedWindowEvent(dpy, wwin->client_win, DestroyNotify, &ev)) {
 859                 DispatchEvent(&ev);
 860         } else {
 861                 Bool reparented = False;
 862
 863                 if (XCheckTypedWindowEvent(dpy, wwin->client_win, ReparentNotify, &ev))
 864                         reparented = True;
 865
 866                 /* withdraw window */
 867                 wwin->flags.mapped = 0;
 868                 if (!reparented)
 869                         wClientSetState(wwin, WithdrawnState, None);
 870
 871                 /* if the window was reparented, do not reparent it back to the
 872                  * root window */
 873                 wUnmanageWindow(wwin, !reparented, False);
 874         }
 875         XUngrabServer(dpy);
 876 }
 877
 878 static void handleConfigureRequest(XEvent * event)
 879 {
 880         WWindow *wwin;
 881
 882         if (!(wwin = wWindowFor(event->xconfigurerequest.window))) {
 883                 /*
 884                  * Configure request for unmapped window
 885                  */
 886                 wClientConfigure(NULL, &(event->xconfigurerequest));
 887         } else {
 888                 wClientConfigure(wwin, &(event->xconfigurerequest));
 889         }
 890 }
 891
 892 static void handlePropertyNotify(XEvent * event)
 893 {
 894         WWindow *wwin;
 895         WApplication *wapp;
 896         Window jr;
 897         int ji;
 898         unsigned int ju;
 899
 900         wwin = wWindowFor(event->xproperty.window);
 901         if (wwin) {
 902                 if (!XGetGeometry(dpy, wwin->client_win, &jr, &ji, &ji, &ju, &ju, &ju, &ju)) {
 903                         return;
 904                 }
 905                 wClientCheckProperty(wwin, &event->xproperty);
 906         }
 907         wapp = wApplicationOf(event->xproperty.window);
 908         if (wapp) {
 909                 wClientCheckProperty(wapp->main_window_desc, &event->xproperty);
 910         }
 911 }
 912
 913 static void handleClientMessage(XEvent * event)
 914 {
 915         WWindow *wwin;
 916         WObjDescriptor *desc;
 917
 918         /* handle transition from Normal to Iconic state */
 919         if (event->xclient.message_type == w_global.atom.wm.change_state
 920             && event->xclient.format == 32 && event->xclient.data.l[0] == IconicState) {
 921
 922                 wwin = wWindowFor(event->xclient.window);
 923                 if (!wwin)
 924                         return;
 925                 if (!wwin->flags.miniaturized)
 926                         wIconifyWindow(wwin);
 927         } else if (event->xclient.message_type == w_global.atom.wm.colormap_notify && event->xclient.format == 32) {
 928                 WScreen *scr = wScreenForRootWindow(event->xclient.window);
 929
 930                 if (!scr)
 931                         return;
 932
 933                 if (event->xclient.data.l[1] == 1) {    /* starting */
 934                         wColormapAllowClientInstallation(scr, True);
 935                 } else {        /* stopping */
 936                         wColormapAllowClientInstallation(scr, False);
 937                 }
 938         } else if (event->xclient.message_type == w_global.atom.wmaker.command) {
 939
 940                 char *command;
 941                 size_t len;
 942
 943                 len = sizeof(event->xclient.data.b) + 1;
 944                 command = wmalloc(len);
 945                 strncpy(command, event->xclient.data.b, sizeof(event->xclient.data.b));
 946
 947                 if (strncmp(command, "Reconfigure", sizeof("Reconfigure")) == 0) {
 948                         wwarning(_("Got Reconfigure command"));
 949                         wDefaultsCheckDomains(NULL);
 950                 } else {
 951                         wwarning(_("Got unknown command %s"), command);
 952                 }
 953
 954                 wfree(command);
 955
 956         } else if (event->xclient.message_type == w_global.atom.wmaker.wm_function) {
 957                 WApplication *wapp;
 958                 int done = 0;
 959                 wapp = wApplicationOf(event->xclient.window);
 960                 if (wapp) {
 961                         switch (event->xclient.data.l[0]) {
 962                         case WMFHideOtherApplications:
 963                                 wHideOtherApplications(wapp->main_window_desc);
 964                                 done = 1;
 965                                 break;
 966
 967                         case WMFHideApplication:
 968                                 wHideApplication(wapp);
 969                                 done = 1;
 970                                 break;
 971                         }
 972                 }
 973                 if (!done) {
 974                         wwin = wWindowFor(event->xclient.window);
 975                         if (wwin) {
 976                                 switch (event->xclient.data.l[0]) {
 977                                 case WMFHideOtherApplications:
 978                                         wHideOtherApplications(wwin);
 979                                         break;
 980
 981                                 case WMFHideApplication:
 982                                         wHideApplication(wApplicationOf(wwin->main_window));
 983                                         break;
 984                                 }
 985                         }
 986                 }
 987         } else if (event->xclient.message_type == w_global.atom.gnustep.wm_attr) {
 988                 wwin = wWindowFor(event->xclient.window);
 989                 if (!wwin)
 990                         return;
 991                 switch (event->xclient.data.l[0]) {
 992                 case GSWindowLevelAttr:
 993                         {
 994                                 int level = (int)event->xclient.data.l[1];
 995
 996                                 if (WINDOW_LEVEL(wwin) != level) {
 997                                         ChangeStackingLevel(wwin->frame->core, level);
 998                                 }
 999                         }
1000                         break;
1001                 }
1002         } else if (event->xclient.message_type == w_global.atom.gnustep.titlebar_state) {
1003                 wwin = wWindowFor(event->xclient.window);
1004                 if (!wwin)
1005                         return;
1006                 switch (event->xclient.data.l[0]) {
1007                 case WMTitleBarNormal:
1008                         wFrameWindowChangeState(wwin->frame, WS_UNFOCUSED);
1009                         break;
1010                 case WMTitleBarMain:
1011                         wFrameWindowChangeState(wwin->frame, WS_PFOCUSED);
1012                         break;
1013                 case WMTitleBarKey:
1014                         wFrameWindowChangeState(wwin->frame, WS_FOCUSED);
1015                         break;
1016                 }
1017         } else if (event->xclient.message_type == w_global.atom.wm.ignore_focus_events) {
1018                 WScreen *scr = wScreenForRootWindow(event->xclient.window);
1019                 if (!scr)
1020                         return;
1021                 scr->flags.ignore_focus_events = event->xclient.data.l[0] ? 1 : 0;
1022         } else if (wNETWMProcessClientMessage(&event->xclient)) {
1023                 /* do nothing */
1024 #ifdef XDND
1025         } else if (wXDNDProcessClientMessage(&event->xclient)) {
1026                 /* do nothing */
1027 #endif                          /* XDND */
1028         } else {
1029                 /*
1030                  * Non-standard thing, but needed by OffiX DND.
1031                  * For when the icon frame gets a ClientMessage
1032                  * that should have gone to the icon_window.
1033                  */
1034                 if (XFindContext(dpy, event->xbutton.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1035                         struct WIcon *icon = NULL;
1036
1037                         if (desc->parent_type == WCLASS_MINIWINDOW) {
1038                                 icon = (WIcon *) desc->parent;
1039                         } else if (desc->parent_type == WCLASS_DOCK_ICON || desc->parent_type == WCLASS_APPICON) {
1040                                 icon = ((WAppIcon *) desc->parent)->icon;
1041                         }
1042                         if (icon && (wwin = icon->owner)) {
1043                                 if (wwin->client_win != event->xclient.window) {
1044                                         event->xclient.window = wwin->client_win;
1045                                         XSendEvent(dpy, wwin->client_win, False, NoEventMask, event);
1046                                 }
1047                         }
1048                 }
1049         }
1050 }
1051
1052 static void raiseWindow(WScreen * scr)
1053 {
1054         WWindow *wwin;
1055
1056         scr->autoRaiseTimer = NULL;
1057
1058         wwin = wWindowFor(scr->autoRaiseWindow);
1059         if (!wwin)
1060                 return;
1061
1062         if (!wwin->flags.destroyed && wwin->flags.focused) {
1063                 wRaiseFrame(wwin->frame->core);
1064                 /* this is needed or a race condition will occur */
1065                 XSync(dpy, False);
1066         }
1067 }
1068
1069 static void handleEnterNotify(XEvent * event)
1070 {
1071         WWindow *wwin;
1072         WObjDescriptor *desc = NULL;
1073         XEvent ev;
1074         WScreen *scr = wScreenForRootWindow(event->xcrossing.root);
1075
1076         if (XCheckTypedWindowEvent(dpy, event->xcrossing.window, LeaveNotify, &ev)) {
1077                 /* already left the window... */
1078                 saveTimestamp(&ev);
1079                 if (ev.xcrossing.mode == event->xcrossing.mode && ev.xcrossing.detail == event->xcrossing.detail) {
1080                         return;
1081                 }
1082         }
1083
1084         if (XFindContext(dpy, event->xcrossing.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1085                 if (desc->handle_enternotify)
1086                         (*desc->handle_enternotify) (desc, event);
1087         }
1088
1089         /* enter to window */
1090         wwin = wWindowFor(event->xcrossing.window);
1091         if (!wwin) {
1092                 if (wPreferences.colormap_mode == WCM_POINTER) {
1093                         wColormapInstallForWindow(scr, NULL);
1094                 }
1095                 if (scr->autoRaiseTimer && event->xcrossing.root == event->xcrossing.window) {
1096                         WMDeleteTimerHandler(scr->autoRaiseTimer);
1097                         scr->autoRaiseTimer = NULL;
1098                 }
1099         } else {
1100                 /* set auto raise timer even if in focus-follows-mouse mode
1101                  * and the event is for the frame window, even if the window
1102                  * has focus already.  useful if you move the pointer from a focused
1103                  * window to the root window and back pretty fast
1104                  *
1105                  * set focus if in focus-follows-mouse mode and the event
1106                  * is for the frame window and window doesn't have focus yet */
1107                 if (wPreferences.focus_mode == WKF_SLOPPY
1108                     && wwin->frame->core->window == event->xcrossing.window && !scr->flags.doing_alt_tab) {
1109
1110                         if (!wwin->flags.focused && !WFLAGP(wwin, no_focusable))
1111                                 wSetFocusTo(scr, wwin);
1112
1113                         if (scr->autoRaiseTimer)
1114                                 WMDeleteTimerHandler(scr->autoRaiseTimer);
1115                         scr->autoRaiseTimer = NULL;
1116
1117                         if (wPreferences.raise_delay && !WFLAGP(wwin, no_focusable)) {
1118                                 scr->autoRaiseWindow = wwin->frame->core->window;
1119                                 scr->autoRaiseTimer
1120                                     = WMAddTimerHandler(wPreferences.raise_delay, (WMCallback *) raiseWindow, scr);
1121                         }
1122                 }
1123                 /* Install colormap for window, if the colormap installation mode
1124                  * is colormap_follows_mouse */
1125                 if (wPreferences.colormap_mode == WCM_POINTER) {
1126                         if (wwin->client_win == event->xcrossing.window)
1127                                 wColormapInstallForWindow(scr, wwin);
1128                         else
1129                                 wColormapInstallForWindow(scr, NULL);
1130                 }
1131         }
1132
1133         if (event->xcrossing.window == event->xcrossing.root
1134             && event->xcrossing.detail == NotifyNormal
1135             && event->xcrossing.detail != NotifyInferior && wPreferences.focus_mode != WKF_CLICK) {
1136
1137                 wSetFocusTo(scr, scr->focused_window);
1138         }
1139 #ifdef BALLOON_TEXT
1140         wBalloonEnteredObject(scr, desc);
1141 #endif
1142 }
1143
1144 static void handleLeaveNotify(XEvent * event)
1145 {
1146         WObjDescriptor *desc = NULL;
1147
1148         if (XFindContext(dpy, event->xcrossing.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1149                 if (desc->handle_leavenotify)
1150                         (*desc->handle_leavenotify) (desc, event);
1151         }
1152 }
1153
1154 #ifdef SHAPE
1155 static void handleShapeNotify(XEvent * event)
1156 {
1157         XShapeEvent *shev = (XShapeEvent *) event;
1158         WWindow *wwin;
1159         union {
1160                 XEvent xevent;
1161                 XShapeEvent xshape;
1162         } ev;
1163
1164         while (XCheckTypedWindowEvent(dpy, shev->window, event->type, &ev.xevent)) {
1165                 if (ev.xshape.kind == ShapeBounding) {
1166                         if (ev.xshape.shaped == shev->shaped) {
1167                                 *shev = ev.xshape;
1168                         } else {
1169                                 XPutBackEvent(dpy, &ev.xevent);
1170                                 break;
1171                         }
1172                 }
1173         }
1174
1175         wwin = wWindowFor(shev->window);
1176         if (!wwin || shev->kind != ShapeBounding)
1177                 return;
1178
1179         if (!shev->shaped && wwin->flags.shaped) {
1180
1181                 wwin->flags.shaped = 0;
1182                 wWindowClearShape(wwin);
1183
1184         } else if (shev->shaped) {
1185
1186                 wwin->flags.shaped = 1;
1187                 wWindowSetShape(wwin);
1188         }
1189 }
1190 #endif                          /* SHAPE */
1191
1192 #ifdef KEEP_XKB_LOCK_STATUS
1193 /* please help ]d if you know what to do */
1194 static void handleXkbIndicatorStateNotify(XEvent *event)
1195 {
1196         WWindow *wwin;
1197         WScreen *scr;
1198         XkbStateRec staterec;
1199         int i;
1200
1201         for (i = 0; i < wScreenCount; i++) {
1202                 scr = wScreenWithNumber(i);
1203                 wwin = scr->focused_window;
1204                 if (wwin && wwin->flags.focused) {
1205                         XkbGetState(dpy, XkbUseCoreKbd, &staterec);
1206                         if (wwin->frame->languagemode != staterec.group) {
1207                                 wwin->frame->last_languagemode = wwin->frame->languagemode;
1208                                 wwin->frame->languagemode = staterec.group;
1209                         }
1210 #ifdef XKB_BUTTON_HINT
1211                         if (wwin->frame->titlebar) {
1212                                 wFrameWindowPaint(wwin->frame);
1213                         }
1214 #endif
1215                 }
1216         }
1217 }
1218 #endif                          /*KEEP_XKB_LOCK_STATUS */
1219
1220 static void handleColormapNotify(XEvent * event)
1221 {
1222         WWindow *wwin;
1223         WScreen *scr;
1224         Bool reinstall = False;
1225
1226         wwin = wWindowFor(event->xcolormap.window);
1227         if (!wwin)
1228                 return;
1229
1230         scr = wwin->screen_ptr;
1231
1232         do {
1233                 if (wwin) {
1234                         if (event->xcolormap.new) {
1235                                 XWindowAttributes attr;
1236
1237                                 XGetWindowAttributes(dpy, wwin->client_win, &attr);
1238
1239                                 if (wwin == scr->cmap_window && wwin->cmap_window_no == 0)
1240                                         scr->current_colormap = attr.colormap;
1241
1242                                 reinstall = True;
1243                         } else if (event->xcolormap.state == ColormapUninstalled &&
1244                                    scr->current_colormap == event->xcolormap.colormap) {
1245
1246                                 /* some bastard app (like XV) removed our colormap */
1247                                 /*
1248                                  * can't enforce or things like xscreensaver wont work
1249                                  * reinstall = True;
1250                                  */
1251                         } else if (event->xcolormap.state == ColormapInstalled &&
1252                                    scr->current_colormap == event->xcolormap.colormap) {
1253
1254                                 /* someone has put our colormap back */
1255                                 reinstall = False;
1256                         }
1257                 }
1258         } while (XCheckTypedEvent(dpy, ColormapNotify, event)
1259                  && ((wwin = wWindowFor(event->xcolormap.window)) || 1));
1260
1261         if (reinstall && scr->current_colormap != None) {
1262                 if (!scr->flags.colormap_stuff_blocked)
1263                         XInstallColormap(dpy, scr->current_colormap);
1264         }
1265 }
1266
1267 static void handleFocusIn(XEvent * event)
1268 {
1269         WWindow *wwin;
1270
1271         /*
1272          * For applications that like stealing the focus.
1273          */
1274         while (XCheckTypedEvent(dpy, FocusIn, event)) ;
1275         saveTimestamp(event);
1276         if (event->xfocus.mode == NotifyUngrab
1277             || event->xfocus.mode == NotifyGrab || event->xfocus.detail > NotifyNonlinearVirtual) {
1278                 return;
1279         }
1280
1281         wwin = wWindowFor(event->xfocus.window);
1282         if (wwin && !wwin->flags.focused) {
1283                 if (wwin->flags.mapped)
1284                         wSetFocusTo(wwin->screen_ptr, wwin);
1285                 else
1286                         wSetFocusTo(wwin->screen_ptr, NULL);
1287         } else if (!wwin) {
1288                 WScreen *scr = wScreenForWindow(event->xfocus.window);
1289                 if (scr)
1290                         wSetFocusTo(scr, NULL);
1291         }
1292 }
1293
1294 static WWindow *windowUnderPointer(WScreen * scr)
1295 {
1296         unsigned int mask;
1297         int foo;
1298         Window bar, win;
1299
1300         if (XQueryPointer(dpy, scr->root_win, &bar, &win, &foo, &foo, &foo, &foo, &mask))
1301                 return wWindowFor(win);
1302         return NULL;
1303 }
1304
1305 static int CheckFullScreenWindowFocused(WScreen * scr)
1306 {
1307         if (scr->focused_window && scr->focused_window->flags.fullscreen)
1308                 return 1;
1309         else
1310                 return 0;
1311 }
1312
1313 static void handleKeyPress(XEvent * event)
1314 {
1315         WScreen *scr = wScreenForRootWindow(event->xkey.root);
1316         WWindow *wwin = scr->focused_window;
1317         short i, widx;
1318         int modifiers;
1319         int command = -1;
1320 #ifdef KEEP_XKB_LOCK_STATUS
1321         XkbStateRec staterec;
1322 #endif                          /*KEEP_XKB_LOCK_STATUS */
1323
1324         /* ignore CapsLock */
1325         modifiers = event->xkey.state & ValidModMask;
1326
1327         for (i = 0; i < WKBD_LAST; i++) {
1328                 if (wKeyBindings[i].keycode == 0)
1329                         continue;
1330
1331                 if (wKeyBindings[i].keycode == event->xkey.keycode && ( /*wKeyBindings[i].modifier==0
1332                                                                            || */ wKeyBindings[i].modifier ==
1333                                                                               modifiers)) {
1334                         command = i;
1335                         break;
1336                 }
1337         }
1338
1339         if (command < 0) {
1340
1341                 if (!wRootMenuPerformShortcut(event)) {
1342                         static int dontLoop = 0;
1343
1344                         if (dontLoop > 10) {
1345                                 wwarning("problem with key event processing code");
1346                                 return;
1347                         }
1348                         dontLoop++;
1349                         /* if the focused window is an internal window, try redispatching
1350                          * the event to the managed window, as it can be a WINGs window */
1351                         if (wwin && wwin->flags.internal_window && wwin->client_leader != None) {
1352                                 /* client_leader contains the WINGs toplevel */
1353                                 event->xany.window = wwin->client_leader;
1354                                 WMHandleEvent(event);
1355                         }
1356                         dontLoop--;
1357                 }
1358                 return;
1359         }
1360 #define ISMAPPED(w) ((w) && !(w)->flags.miniaturized && ((w)->flags.mapped || (w)->flags.shaded))
1361 #define ISFOCUSED(w) ((w) && (w)->flags.focused)
1362
1363         switch (command) {
1364
1365         case WKBD_ROOTMENU:
1366                 /*OpenRootMenu(scr, event->xkey.x_root, event->xkey.y_root, True); */
1367                 if (!CheckFullScreenWindowFocused(scr)) {
1368                         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1369                         OpenRootMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
1370                                      True);
1371                 }
1372                 break;
1373         case WKBD_WINDOWLIST:
1374                 if (!CheckFullScreenWindowFocused(scr)) {
1375                         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1376                         OpenSwitchMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
1377                                        True);
1378                 }
1379                 break;
1380
1381         case WKBD_WINDOWMENU:
1382                 if (ISMAPPED(wwin) && ISFOCUSED(wwin))
1383                         OpenWindowMenu(wwin, wwin->frame_x, wwin->frame_y + wwin->frame->top_width, True);
1384                 break;
1385         case WKBD_MINIMIZEALL:
1386                 CloseWindowMenu(scr);
1387                 wHideAll(scr);
1388                 break;
1389         case WKBD_MINIATURIZE:
1390                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)
1391                     && !WFLAGP(wwin, no_miniaturizable)) {
1392                         CloseWindowMenu(scr);
1393
1394                         if (wwin->protocols.MINIATURIZE_WINDOW)
1395                                 wClientSendProtocol(wwin, w_global.atom.gnustep.wm_miniaturize_window, event->xbutton.time);
1396                         else {
1397                                 wIconifyWindow(wwin);
1398                         }
1399                 }
1400                 break;
1401         case WKBD_HIDE:
1402                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1403                         WApplication *wapp = wApplicationOf(wwin->main_window);
1404                         CloseWindowMenu(scr);
1405
1406                         if (wapp && !WFLAGP(wapp->main_window_desc, no_appicon)) {
1407                                 wHideApplication(wapp);
1408                         }
1409                 }
1410                 break;
1411         case WKBD_HIDE_OTHERS:
1412                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1413                         CloseWindowMenu(scr);
1414
1415                         wHideOtherApplications(wwin);
1416                 }
1417                 break;
1418         case WKBD_MAXIMIZE:
1419                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1420                         CloseWindowMenu(scr);
1421
1422                         handleMaximize(wwin, MAX_VERTICAL | MAX_HORIZONTAL | MAX_KEYBOARD);
1423                 }
1424                 break;
1425         case WKBD_VMAXIMIZE:
1426                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1427                         CloseWindowMenu(scr);
1428
1429                         handleMaximize(wwin, MAX_VERTICAL | MAX_KEYBOARD);
1430                 }
1431                 break;
1432         case WKBD_HMAXIMIZE:
1433                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1434                         CloseWindowMenu(scr);
1435
1436                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_KEYBOARD);
1437                 }
1438                 break;
1439         case WKBD_LHMAXIMIZE:
1440                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1441                         CloseWindowMenu(scr);
1442
1443                         handleMaximize(wwin, MAX_VERTICAL | MAX_LEFTHALF | MAX_KEYBOARD);
1444                 }
1445                 break;
1446         case WKBD_RHMAXIMIZE:
1447                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1448                         CloseWindowMenu(scr);
1449
1450                         handleMaximize(wwin, MAX_VERTICAL | MAX_RIGHTHALF | MAX_KEYBOARD);
1451                 }
1452                 break;
1453         case WKBD_THMAXIMIZE:
1454                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1455                         CloseWindowMenu(scr);
1456
1457                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_TOPHALF | MAX_KEYBOARD);
1458                 }
1459                 break;
1460         case WKBD_BHMAXIMIZE:
1461                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1462                         CloseWindowMenu(scr);
1463
1464                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_BOTTOMHALF | MAX_KEYBOARD);
1465                 }
1466                 break;
1467         case WKBD_LTCMAXIMIZE:
1468                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1469                         CloseWindowMenu(scr);
1470
1471                         handleMaximize(wwin, MAX_LEFTHALF | MAX_TOPHALF | MAX_KEYBOARD);
1472                 }
1473                 break;
1474         case WKBD_RTCMAXIMIZE:
1475                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1476                         CloseWindowMenu(scr);
1477
1478                         handleMaximize(wwin, MAX_RIGHTHALF | MAX_TOPHALF | MAX_KEYBOARD);
1479                 }
1480                 break;
1481         case WKBD_LBCMAXIMIZE:
1482                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1483                         CloseWindowMenu(scr);
1484
1485                         handleMaximize(wwin, MAX_LEFTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
1486                 }
1487                  break;
1488         case WKBD_RBCMAXIMIZE:
1489                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1490                         CloseWindowMenu(scr);
1491
1492                         handleMaximize(wwin, MAX_RIGHTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
1493                 }
1494                 break;
1495         case WKBD_MAXIMUS:
1496                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1497                         CloseWindowMenu(scr);
1498
1499                         handleMaximize(wwin, MAX_MAXIMUS | MAX_KEYBOARD);
1500                 }
1501                 break;
1502         case WKBD_RAISE:
1503                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1504                         CloseWindowMenu(scr);
1505
1506                         wRaiseFrame(wwin->frame->core);
1507                 }
1508                 break;
1509         case WKBD_LOWER:
1510                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1511                         CloseWindowMenu(scr);
1512
1513                         wLowerFrame(wwin->frame->core);
1514                 }
1515                 break;
1516         case WKBD_RAISELOWER:
1517                 /* raise or lower the window under the pointer, not the
1518                  * focused one
1519                  */
1520                 wwin = windowUnderPointer(scr);
1521                 if (wwin)
1522                         wRaiseLowerFrame(wwin->frame->core);
1523                 break;
1524         case WKBD_SHADE:
1525                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_shadeable)) {
1526                         if (wwin->flags.shaded)
1527                                 wUnshadeWindow(wwin);
1528                         else
1529                                 wShadeWindow(wwin);
1530                 }
1531                 break;
1532         case WKBD_MOVERESIZE:
1533                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && (IS_RESIZABLE(wwin) || IS_MOVABLE(wwin))) {
1534                         CloseWindowMenu(scr);
1535
1536                         wKeyboardMoveResizeWindow(wwin);
1537                 }
1538                 break;
1539         case WKBD_CLOSE:
1540                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_closable)) {
1541                         CloseWindowMenu(scr);
1542                         if (wwin->protocols.DELETE_WINDOW)
1543                                 wClientSendProtocol(wwin, w_global.atom.wm.delete_window, event->xkey.time);
1544                 }
1545                 break;
1546         case WKBD_SELECT:
1547                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1548                         wSelectWindow(wwin, !wwin->flags.selected);
1549                 }
1550                 break;
1551         case WKBD_FOCUSNEXT:
1552                 StartWindozeCycle(wwin, event, True, False);
1553                 break;
1554
1555         case WKBD_FOCUSPREV:
1556                 StartWindozeCycle(wwin, event, False, False);
1557                 break;
1558
1559         case WKBD_GROUPNEXT:
1560                 StartWindozeCycle(wwin, event, True, True);
1561                 break;
1562
1563         case WKBD_GROUPPREV:
1564                 StartWindozeCycle(wwin, event, False, True);
1565                 break;
1566
1567         case WKBD_WORKSPACE1 ... WKBD_WORKSPACE10:
1568                 widx = command - WKBD_WORKSPACE1;
1569                 i = (w_global.workspace.current / 10) * 10 + widx;
1570                 if (wPreferences.ws_advance || i < w_global.workspace.count)
1571                         wWorkspaceChange(scr, i);
1572                 break;
1573
1574         case WKBD_NEXTWORKSPACE:
1575                 wWorkspaceRelativeChange(scr, 1);
1576                 break;
1577         case WKBD_PREVWORKSPACE:
1578                 wWorkspaceRelativeChange(scr, -1);
1579                 break;
1580         case WKBD_LASTWORKSPACE:
1581                 wWorkspaceChange(scr, w_global.workspace.last_used);
1582                 break;
1583
1584         case WKBD_MOVE_WORKSPACE1 ... WKBD_MOVE_WORKSPACE10:
1585                 widx = command - WKBD_MOVE_WORKSPACE1;
1586                 i = (w_global.workspace.current / 10) * 10 + widx;
1587                 if (wwin && (wPreferences.ws_advance || i < w_global.workspace.count))
1588                         wWindowChangeWorkspace(wwin, i);
1589                 break;
1590
1591         case WKBD_MOVE_NEXTWORKSPACE:
1592                 if (wwin)
1593                         wWindowChangeWorkspaceRelative(wwin, 1);
1594                 break;
1595         case WKBD_MOVE_PREVWORKSPACE:
1596                 if (wwin)
1597                         wWindowChangeWorkspaceRelative(wwin, -1);
1598                 break;
1599         case WKBD_MOVE_LASTWORKSPACE:
1600                 if (wwin)
1601                         wWindowChangeWorkspace(wwin, w_global.workspace.last_used);
1602                 break;
1603
1604         case WKBD_MOVE_NEXTWSLAYER:
1605         case WKBD_MOVE_PREVWSLAYER:
1606                 {
1607                         if (wwin) {
1608                                 int row, column;
1609
1610                                 row = w_global.workspace.current / 10;
1611                                 column = w_global.workspace.current % 10;
1612
1613                                 if (command == WKBD_MOVE_NEXTWSLAYER) {
1614                                         if ((row + 1) * 10 < w_global.workspace.count)
1615                                                 wWindowChangeWorkspace(wwin, column + (row + 1) * 10);
1616                                 } else {
1617                                         if (row > 0)
1618                                                 wWindowChangeWorkspace(wwin, column + (row - 1) * 10);
1619                                 }
1620                         }
1621                 }
1622                 break;
1623
1624         case WKBD_WINDOW1:
1625         case WKBD_WINDOW2:
1626         case WKBD_WINDOW3:
1627         case WKBD_WINDOW4:
1628         case WKBD_WINDOW5:
1629         case WKBD_WINDOW6:
1630         case WKBD_WINDOW7:
1631         case WKBD_WINDOW8:
1632         case WKBD_WINDOW9:
1633         case WKBD_WINDOW10:
1634
1635                 widx = command - WKBD_WINDOW1;
1636
1637                 if (scr->shortcutWindows[widx]) {
1638                         WMArray *list = scr->shortcutWindows[widx];
1639                         int cw;
1640                         int count = WMGetArrayItemCount(list);
1641                         WWindow *twin;
1642                         WMArrayIterator iter;
1643                         WWindow *wwin;
1644
1645                         wUnselectWindows(scr);
1646                         cw = w_global.workspace.current;
1647
1648                         WM_ETARETI_ARRAY(list, wwin, iter) {
1649                                 if (count > 1)
1650                                         wWindowChangeWorkspace(wwin, cw);
1651
1652                                 wMakeWindowVisible(wwin);
1653
1654                                 if (count > 1)
1655                                         wSelectWindow(wwin, True);
1656                         }
1657
1658                         /* rotate the order of windows, to create a cycling effect */
1659                         twin = WMGetFromArray(list, 0);
1660                         WMDeleteFromArray(list, 0);
1661                         WMAddToArray(list, twin);
1662
1663                 } else if (wwin && ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1664                         if (scr->shortcutWindows[widx]) {
1665                                 WMFreeArray(scr->shortcutWindows[widx]);
1666                                 scr->shortcutWindows[widx] = NULL;
1667                         }
1668
1669                         if (wwin->flags.selected && scr->selected_windows) {
1670                                 scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
1671                                 /*WMRemoveFromArray(scr->shortcutWindows[index], wwin);
1672                                    WMInsertInArray(scr->shortcutWindows[index], 0, wwin); */
1673                         } else {
1674                                 scr->shortcutWindows[widx] = WMCreateArray(4);
1675                                 WMAddToArray(scr->shortcutWindows[widx], wwin);
1676                         }
1677
1678                         wSelectWindow(wwin, !wwin->flags.selected);
1679                         XFlush(dpy);
1680                         wusleep(3000);
1681                         wSelectWindow(wwin, !wwin->flags.selected);
1682                         XFlush(dpy);
1683
1684                 } else if (scr->selected_windows && WMGetArrayItemCount(scr->selected_windows)) {
1685
1686                         if (wwin->flags.selected && scr->selected_windows) {
1687                                 if (scr->shortcutWindows[widx]) {
1688                                         WMFreeArray(scr->shortcutWindows[widx]);
1689                                 }
1690                                 scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
1691                         }
1692                 }
1693
1694                 break;
1695
1696         case WKBD_RELAUNCH:
1697                 if (ISMAPPED(wwin) && ISFOCUSED(wwin))
1698                         (void) RelaunchWindow(wwin);
1699
1700                 break;
1701
1702         case WKBD_SWITCH_SCREEN:
1703                 if (wScreenCount > 1) {
1704                         WScreen *scr2;
1705                         int i;
1706
1707                         /* find index of this screen */
1708                         for (i = 0; i < wScreenCount; i++) {
1709                                 if (wScreenWithNumber(i) == scr)
1710                                         break;
1711                         }
1712                         i++;
1713                         if (i >= wScreenCount) {
1714                                 i = 0;
1715                         }
1716                         scr2 = wScreenWithNumber(i);
1717
1718                         if (scr2) {
1719                                 XWarpPointer(dpy, scr->root_win, scr2->root_win, 0, 0, 0, 0,
1720                                              scr2->scr_width / 2, scr2->scr_height / 2);
1721                         }
1722                 }
1723                 break;
1724
1725         case WKBD_NEXTWSLAYER:
1726         case WKBD_PREVWSLAYER:
1727                 {
1728                         int row, column;
1729
1730                         row = w_global.workspace.current / 10;
1731                         column = w_global.workspace.current % 10;
1732
1733                         if (command == WKBD_NEXTWSLAYER) {
1734                                 if ((row + 1) * 10 < w_global.workspace.count)
1735                                         wWorkspaceChange(scr, column + (row + 1) * 10);
1736                         } else {
1737                                 if (row > 0)
1738                                         wWorkspaceChange(scr, column + (row - 1) * 10);
1739                         }
1740                 }
1741                 break;
1742         case WKBD_CLIPRAISELOWER:
1743                 if (!wPreferences.flags.noclip)
1744                         wDockRaiseLower(scr->workspaces[w_global.workspace.current]->clip);
1745                 break;
1746         case WKBD_DOCKRAISELOWER:
1747                 if (!wPreferences.flags.nodock)
1748                         wDockRaiseLower(scr->dock);
1749                 break;
1750 #ifdef KEEP_XKB_LOCK_STATUS
1751         case WKBD_TOGGLE:
1752                 if (wPreferences.modelock) {
1753                         /*toggle */
1754                         wwin = scr->focused_window;
1755
1756                         if (wwin && wwin->flags.mapped
1757                             && wwin->frame->workspace == w_global.workspace.current
1758                             && !wwin->flags.miniaturized && !wwin->flags.hidden) {
1759                                 XkbGetState(dpy, XkbUseCoreKbd, &staterec);
1760
1761                                 wwin->frame->languagemode = wwin->frame->last_languagemode;
1762                                 wwin->frame->last_languagemode = staterec.group;
1763                                 XkbLockGroup(dpy, XkbUseCoreKbd, wwin->frame->languagemode);
1764
1765                         }
1766                 }
1767                 break;
1768 #endif  /* KEEP_XKB_LOCK_STATUS */
1769         }
1770 }
1771
1772 static void handleMotionNotify(XEvent * event)
1773 {
1774         WScreen *scr = wScreenForRootWindow(event->xmotion.root);
1775
1776         if (wPreferences.scrollable_menus) {
1777                 WMPoint p = wmkpoint(event->xmotion.x_root, event->xmotion.y_root);
1778                 WMRect rect = wGetRectForHead(scr, wGetHeadForPoint(scr, p));
1779
1780                 if (scr->flags.jump_back_pending ||
1781                     p.x <= (rect.pos.x + 1) ||
1782                     p.x >= (rect.pos.x + rect.size.width - 2) ||
1783                     p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
1784                         WMenu *menu;
1785
1786                         menu = wMenuUnderPointer(scr);
1787                         if (menu != NULL)
1788                                 wMenuScroll(menu, event);
1789                 }
1790         }
1791 }
1792
1793 static void handleVisibilityNotify(XEvent * event)
1794 {
1795         WWindow *wwin;
1796
1797         wwin = wWindowFor(event->xvisibility.window);
1798         if (!wwin)
1799                 return;
1800         wwin->flags.obscured = (event->xvisibility.state == VisibilityFullyObscured);
1801 }