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  *  Copyright (c) 2014 Window Maker Team
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License along
  19  *  with this program; if not, write to the Free Software Foundation, Inc.,
  20  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #ifdef HAVE_INOTIFY
  26 #include <sys/select.h>
  27 #include <sys/inotify.h>
  28 #endif
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <unistd.h>
  33 #include <string.h>
  34 #include <strings.h>
  35 #include <time.h>
  36
  37 #include <X11/Xlib.h>
  38 #include <X11/Xutil.h>
  39 #ifdef USE_XSHAPE
  40 # include <X11/extensions/shape.h>
  41 #endif
  42 #ifdef XDND
  43 #include "xdnd.h"
  44 #endif
  45
  46 #ifdef USE_RANDR
  47 #include <X11/extensions/Xrandr.h>
  48 #endif
  49
  50 #ifdef KEEP_XKB_LOCK_STATUS
  51 #include <X11/XKBlib.h>
  52 #endif                          /* KEEP_XKB_LOCK_STATUS */
  53
  54 #include "WindowMaker.h"
  55 #include "window.h"
  56 #include "actions.h"
  57 #include "client.h"
  58 #include "main.h"
  59 #include "cycling.h"
  60 #include "keybind.h"
  61 #include "application.h"
  62 #include "stacking.h"
  63 #include "defaults.h"
  64 #include "workspace.h"
  65 #include "dock.h"
  66 #include "framewin.h"
  67 #include "properties.h"
  68 #include "balloon.h"
  69 #include "xinerama.h"
  70 #include "wmspec.h"
  71 #include "rootmenu.h"
  72 #include "colormap.h"
  73 #include "screen.h"
  74 #include "shutdown.h"
  75 #include "misc.h"
  76 #include "event.h"
  77 #include "winmenu.h"
  78 #include "switchmenu.h"
  79
  80
  81 #define MOD_MASK wPreferences.modifier_mask
  82
  83 /************ Local stuff ***********/
  84
  85 static void saveTimestamp(XEvent *event);
  86 static void handleColormapNotify(XEvent *event);
  87 static void handleMapNotify(XEvent *event);
  88 static void handleUnmapNotify(XEvent *event);
  89 static void handleButtonPress(XEvent *event);
  90 static void handleExpose(XEvent *event);
  91 static void handleDestroyNotify(XEvent *event);
  92 static void handleConfigureRequest(XEvent *event);
  93 static void handleMapRequest(XEvent *event);
  94 static void handlePropertyNotify(XEvent *event);
  95 static void handleEnterNotify(XEvent *event);
  96 static void handleLeaveNotify(XEvent *event);
  97 static void handleExtensions(XEvent *event);
  98 static void handleClientMessage(XEvent *event);
  99 static void handleKeyPress(XEvent *event);
 100 static void handleFocusIn(XEvent *event);
 101 static void handleMotionNotify(XEvent *event);
 102 static void handleVisibilityNotify(XEvent *event);
 103 static void handle_inotify_events(void);
 104 static void wdelete_death_handler(WMagicNumber id);
 105
 106
 107 #ifdef USE_XSHAPE
 108 static void handleShapeNotify(XEvent *event);
 109 #endif
 110
 111 #ifdef KEEP_XKB_LOCK_STATUS
 112 static void handleXkbIndicatorStateNotify(XkbEvent *event);
 113 #endif
 114
 115 /* real dead process handler */
 116 static void handleDeadProcess(void);
 117
 118 typedef struct DeadProcesses {
 119         pid_t pid;
 120         unsigned char exit_status;
 121 } DeadProcesses;
 122
 123 /* stack of dead processes */
 124 static DeadProcesses deadProcesses[MAX_DEAD_PROCESSES];
 125 static int deadProcessPtr = 0;
 126
 127 typedef struct DeathHandler {
 128         WDeathHandler *callback;
 129         pid_t pid;
 130         void *client_data;
 131 } DeathHandler;
 132
 133 static WMArray *deathHandlers = NULL;
 134
 135 WMagicNumber wAddDeathHandler(pid_t pid, WDeathHandler * callback, void *cdata)
 136 {
 137         DeathHandler *handler;
 138
 139         handler = malloc(sizeof(DeathHandler));
 140         if (!handler)
 141                 return 0;
 142
 143         handler->pid = pid;
 144         handler->callback = callback;
 145         handler->client_data = cdata;
 146
 147         if (!deathHandlers)
 148                 deathHandlers = WMCreateArrayWithDestructor(8, free);
 149
 150         WMAddToArray(deathHandlers, handler);
 151
 152         return handler;
 153 }
 154
 155 static void wdelete_death_handler(WMagicNumber id)
 156 {
 157         DeathHandler *handler = (DeathHandler *) id;
 158
 159         if (!handler || !deathHandlers)
 160                 return;
 161
 162         /* array destructor will call free(handler) */
 163         WMRemoveFromArray(deathHandlers, handler);
 164 }
 165
 166 void DispatchEvent(XEvent * event)
 167 {
 168         if (deathHandlers)
 169                 handleDeadProcess();
 170
 171         if (WCHECK_STATE(WSTATE_NEED_EXIT)) {
 172                 WCHANGE_STATE(WSTATE_EXITING);
 173                 /* received SIGTERM */
 174                 /*
 175                  * WMHandleEvent() can't be called from anything
 176                  * executed inside here, or we can get in a infinite
 177                  * recursive loop.
 178                  */
 179                 Shutdown(WSExitMode);
 180
 181         } else if (WCHECK_STATE(WSTATE_NEED_RESTART)) {
 182                 WCHANGE_STATE(WSTATE_RESTARTING);
 183
 184                 Shutdown(WSRestartPreparationMode);
 185                 /* received SIGHUP */
 186                 Restart(NULL, True);
 187         } else if (WCHECK_STATE(WSTATE_NEED_REREAD)) {
 188                 WCHANGE_STATE(WSTATE_NORMAL);
 189                 wDefaultsCheckDomains(NULL);
 190         }
 191
 192         /* for the case that all that is wanted to be dispatched is
 193          * the stuff above */
 194         if (!event)
 195                 return;
 196
 197         saveTimestamp(event);
 198         switch (event->type) {
 199         case MapRequest:
 200                 handleMapRequest(event);
 201                 break;
 202
 203         case KeyPress:
 204                 handleKeyPress(event);
 205                 break;
 206
 207         case MotionNotify:
 208                 handleMotionNotify(event);
 209                 break;
 210
 211         case ConfigureRequest:
 212                 handleConfigureRequest(event);
 213                 break;
 214
 215         case DestroyNotify:
 216                 handleDestroyNotify(event);
 217                 break;
 218
 219         case MapNotify:
 220                 handleMapNotify(event);
 221                 break;
 222
 223         case UnmapNotify:
 224                 handleUnmapNotify(event);
 225                 break;
 226
 227         case ButtonPress:
 228                 handleButtonPress(event);
 229                 break;
 230
 231         case Expose:
 232                 handleExpose(event);
 233                 break;
 234
 235         case PropertyNotify:
 236                 handlePropertyNotify(event);
 237                 break;
 238
 239         case EnterNotify:
 240                 handleEnterNotify(event);
 241                 break;
 242
 243         case LeaveNotify:
 244                 handleLeaveNotify(event);
 245                 break;
 246
 247         case ClientMessage:
 248                 handleClientMessage(event);
 249                 break;
 250
 251         case ColormapNotify:
 252                 handleColormapNotify(event);
 253                 break;
 254
 255         case MappingNotify:
 256                 if (event->xmapping.request == MappingKeyboard || event->xmapping.request == MappingModifier)
 257                         XRefreshKeyboardMapping(&event->xmapping);
 258                 break;
 259
 260         case FocusIn:
 261                 handleFocusIn(event);
 262                 break;
 263
 264         case VisibilityNotify:
 265                 handleVisibilityNotify(event);
 266                 break;
 267
 268         case ConfigureNotify:
 269 #ifdef USE_RANDR
 270                 if (event->xconfigure.window == DefaultRootWindow(dpy))
 271                         XRRUpdateConfiguration(event);
 272 #endif
 273                 break;
 274
 275         default:
 276                 handleExtensions(event);
 277                 break;
 278         }
 279 }
 280
 281 #ifdef HAVE_INOTIFY
 282 /*
 283  *----------------------------------------------------------------------
 284  * handle_inotify_events-
 285  *      Check for inotify events
 286  *
 287  * Returns:
 288  *      After reading events for the given file descriptor (fd) and
 289  *     watch descriptor (wd)
 290  *
 291  * Side effects:
 292  *      Calls wDefaultsCheckDomains if config database is updated
 293  *----------------------------------------------------------------------
 294  */
 295 static void handle_inotify_events(void)
 296 {
 297         ssize_t eventQLength, i = 0;
 298         /* Make room for at lease 5 simultaneous events, with path + filenames */
 299         char buff[ (sizeof(struct inotify_event) + NAME_MAX + 1) * 5 ];
 300         /* Check config only once per read of the event queue */
 301         int oneShotFlag = 0;
 302
 303         /*
 304          * Read off the queued events
 305          * queue overflow is not checked (IN_Q_OVERFLOW). In practise this should
 306          * not occur; the block is on Xevents, but a config file change will normally
 307          * occur as a result of an Xevent - so the event queue should never have more than
 308          * a few entries before a read().
 309          */
 310         eventQLength = read(w_global.inotify.fd_event_queue,
 311                             buff, sizeof(buff) );
 312
 313         /* check what events occured */
 314         /* Should really check wd here too, but for now we only have one watch! */
 315         while (i < eventQLength) {
 316                 struct inotify_event *pevent = (struct inotify_event *)&buff[i];
 317
 318                 /*
 319                  * see inotify.h for event types.
 320                  */
 321                 if (pevent->mask & IN_DELETE_SELF) {
 322                         wwarning(_("the defaults database has been deleted!"
 323                                    " Restart Window Maker to create the database" " with the default settings"));
 324
 325                         if (w_global.inotify.fd_event_queue >= 0) {
 326                                 close(w_global.inotify.fd_event_queue);
 327                                 w_global.inotify.fd_event_queue = -1;
 328                         }
 329                 }
 330                 if (pevent->mask & IN_UNMOUNT) {
 331                         wwarning(_("the unit containing the defaults database has"
 332                                    " been unmounted. Setting --static mode." " Any changes will not be saved."));
 333
 334                         if (w_global.inotify.fd_event_queue >= 0) {
 335                                 close(w_global.inotify.fd_event_queue);
 336                                 w_global.inotify.fd_event_queue = -1;
 337                         }
 338
 339                         wPreferences.flags.noupdates = 1;
 340                 }
 341                 if ((pevent->mask & IN_MODIFY) && oneShotFlag == 0) {
 342                         wwarning(_("Inotify: Reading config files in defaults database."));
 343                         wDefaultsCheckDomains(NULL);
 344                         oneShotFlag = 1;
 345                 }
 346
 347                 /* move to next event in the buffer */
 348                 i += sizeof(struct inotify_event) + pevent->len;
 349         }
 350 }
 351 #endif /* HAVE_INOTIFY */
 352
 353 /*
 354  *----------------------------------------------------------------------
 355  * EventLoop-
 356  *      Processes X and internal events indefinitely.
 357  *
 358  * Returns:
 359  *      Never returns
 360  *
 361  * Side effects:
 362  *      The LastTimestamp global variable is updated.
 363  *      Calls inotifyGetEvents if defaults database changes.
 364  *----------------------------------------------------------------------
 365  */
 366 noreturn void EventLoop(void)
 367 {
 368         XEvent event;
 369 #ifdef HAVE_INOTIFY
 370         struct timeval time;
 371         fd_set rfds;
 372         int retVal = 0;
 373
 374         if (w_global.inotify.fd_event_queue < 0 || w_global.inotify.wd_defaults < 0)
 375                 retVal = -1;
 376 #endif
 377
 378         for (;;) {
 379
 380                 WMNextEvent(dpy, &event);       /* Blocks here */
 381                 WMHandleEvent(&event);
 382 #ifdef HAVE_INOTIFY
 383                 if (retVal != -1) {
 384                         time.tv_sec = 0;
 385                         time.tv_usec = 0;
 386                         FD_ZERO(&rfds);
 387                         FD_SET(w_global.inotify.fd_event_queue, &rfds);
 388
 389                         /* check for available read data from inotify - don't block! */
 390                         retVal = select(w_global.inotify.fd_event_queue + 1, &rfds, NULL, NULL, &time);
 391
 392                         if (retVal < 0) {       /* an error has occured */
 393                                 wwarning(_("select failed. The inotify instance will be closed."
 394                                            " Changes to the defaults database will require"
 395                                            " a restart to take effect."));
 396                                 close(w_global.inotify.fd_event_queue);
 397                                 w_global.inotify.fd_event_queue = -1;
 398                                 continue;
 399                         }
 400                         if (FD_ISSET(w_global.inotify.fd_event_queue, &rfds))
 401                                 handle_inotify_events();
 402                 }
 403 #endif
 404         }
 405 }
 406
 407 /*
 408  *----------------------------------------------------------------------
 409  * ProcessPendingEvents --
 410  *      Processes the events that are currently pending (at the time
 411  *      this function is called) in the display's queue.
 412  *
 413  * Returns:
 414  *      After the pending events that were present at the function call
 415  *      are processed.
 416  *
 417  * Side effects:
 418  *      Many -- whatever handling events may involve.
 419  *
 420  *----------------------------------------------------------------------
 421  */
 422 void ProcessPendingEvents(void)
 423 {
 424         XEvent event;
 425         int count;
 426
 427         XSync(dpy, False);
 428
 429         /* Take a snapshot of the event count in the queue */
 430         count = XPending(dpy);
 431
 432         while (count > 0 && XPending(dpy)) {
 433                 WMNextEvent(dpy, &event);
 434                 WMHandleEvent(&event);
 435                 count--;
 436         }
 437 }
 438
 439 Bool IsDoubleClick(WScreen * scr, XEvent * event)
 440 {
 441         if ((scr->last_click_time > 0) &&
 442             (event->xbutton.time - scr->last_click_time <= wPreferences.dblclick_time)
 443             && (event->xbutton.button == scr->last_click_button)
 444             && (event->xbutton.window == scr->last_click_window)) {
 445
 446                 scr->flags.next_click_is_not_double = 1;
 447                 scr->last_click_time = 0;
 448                 scr->last_click_window = event->xbutton.window;
 449
 450                 return True;
 451         }
 452         return False;
 453 }
 454
 455 void NotifyDeadProcess(pid_t pid, unsigned char status)
 456 {
 457         if (deadProcessPtr >= MAX_DEAD_PROCESSES - 1) {
 458                 wwarning("stack overflow: too many dead processes");
 459                 return;
 460         }
 461         /* stack the process to be handled later,
 462          * as this is called from the signal handler */
 463         deadProcesses[deadProcessPtr].pid = pid;
 464         deadProcesses[deadProcessPtr].exit_status = status;
 465         deadProcessPtr++;
 466 }
 467
 468 static void handleDeadProcess(void)
 469 {
 470         DeathHandler *tmp;
 471         int i;
 472
 473         for (i = 0; i < deadProcessPtr; i++) {
 474                 wWindowDeleteSavedStatesForPID(deadProcesses[i].pid);
 475         }
 476
 477         if (!deathHandlers) {
 478                 deadProcessPtr = 0;
 479                 return;
 480         }
 481
 482         /* get the pids on the queue and call handlers */
 483         while (deadProcessPtr > 0) {
 484                 deadProcessPtr--;
 485
 486                 for (i = WMGetArrayItemCount(deathHandlers) - 1; i >= 0; i--) {
 487                         tmp = WMGetFromArray(deathHandlers, i);
 488                         if (!tmp)
 489                                 continue;
 490
 491                         if (tmp->pid == deadProcesses[deadProcessPtr].pid) {
 492                                 (*tmp->callback) (tmp->pid,
 493                                                   deadProcesses[deadProcessPtr].exit_status, tmp->client_data);
 494                                 wdelete_death_handler(tmp);
 495                         }
 496                 }
 497         }
 498 }
 499
 500 static void saveTimestamp(XEvent * event)
 501 {
 502         /*
 503          * Never save CurrentTime as LastTimestamp because CurrentTime
 504          * it's not a real timestamp (it's the 0L constant)
 505          */
 506
 507         switch (event->type) {
 508         case ButtonRelease:
 509         case ButtonPress:
 510                 w_global.timestamp.last_event = event->xbutton.time;
 511                 break;
 512         case KeyPress:
 513         case KeyRelease:
 514                 w_global.timestamp.last_event = event->xkey.time;
 515                 break;
 516         case MotionNotify:
 517                 w_global.timestamp.last_event = event->xmotion.time;
 518                 break;
 519         case PropertyNotify:
 520                 w_global.timestamp.last_event = event->xproperty.time;
 521                 break;
 522         case EnterNotify:
 523         case LeaveNotify:
 524                 w_global.timestamp.last_event = event->xcrossing.time;
 525                 break;
 526         case SelectionClear:
 527                 w_global.timestamp.last_event = event->xselectionclear.time;
 528                 break;
 529         case SelectionRequest:
 530                 w_global.timestamp.last_event = event->xselectionrequest.time;
 531                 break;
 532         case SelectionNotify:
 533                 w_global.timestamp.last_event = event->xselection.time;
 534 #ifdef XDND
 535                 wXDNDProcessSelection(event);
 536 #endif
 537                 break;
 538         }
 539 }
 540
 541 static int matchWindow(const void *item, const void *cdata)
 542 {
 543         return (((WFakeGroupLeader *) item)->origLeader == (Window) cdata);
 544 }
 545
 546 static void handleExtensions(XEvent * event)
 547 {
 548 #ifdef USE_XSHAPE
 549         if (w_global.xext.shape.supported && event->type == (w_global.xext.shape.event_base + ShapeNotify)) {
 550                 handleShapeNotify(event);
 551         }
 552 #endif
 553 #ifdef KEEP_XKB_LOCK_STATUS
 554         if (wPreferences.modelock && (event->type == w_global.xext.xkb.event_base)) {
 555                 handleXkbIndicatorStateNotify((XkbEvent *) event);
 556         }
 557 #endif                          /*KEEP_XKB_LOCK_STATUS */
 558 #ifdef USE_RANDR
 559         if (w_global.xext.randr.supported && event->type == (w_global.xext.randr.event_base + RRScreenChangeNotify)) {
 560                 /* From xrandr man page: "Clients must call back into Xlib using
 561                  * XRRUpdateConfiguration when screen configuration change notify
 562                  * events are generated */
 563                 XRRUpdateConfiguration(event);
 564                 WCHANGE_STATE(WSTATE_RESTARTING);
 565                 Shutdown(WSRestartPreparationMode);
 566                 Restart(NULL,True);
 567         }
 568 #endif
 569 }
 570
 571 static void handleMapRequest(XEvent * ev)
 572 {
 573         WWindow *wwin;
 574         WScreen *scr = NULL;
 575         Window window = ev->xmaprequest.window;
 576
 577         if ((wwin = wWindowFor(window))) {
 578                 if (wwin->flags.shaded) {
 579                         wUnshadeWindow(wwin);
 580                 }
 581                 /* deiconify window */
 582                 if (wwin->flags.miniaturized) {
 583                         wDeiconifyWindow(wwin);
 584                 } else if (wwin->flags.hidden) {
 585                         WApplication *wapp = wApplicationOf(wwin->main_window);
 586                         /* go to the last workspace that the user worked on the app */
 587                         if (wapp) {
 588                                 wWorkspaceChange(wwin->screen_ptr, wapp->last_workspace);
 589                         }
 590                         wUnhideApplication(wapp, False, False);
 591                 }
 592                 return;
 593         }
 594
 595         scr = wScreenForRootWindow(ev->xmaprequest.parent);
 596
 597         wwin = wManageWindow(scr, window);
 598
 599         /*
 600          * This is to let the Dock know that the application it launched
 601          * has already been mapped (eg: it has finished launching).
 602          * It is not necessary for normally docked apps, but is needed for
 603          * apps that were forcedly docked (like with dockit).
 604          */
 605         if (scr->last_dock) {
 606                 if (wwin && wwin->main_window != None && wwin->main_window != window)
 607                         wDockTrackWindowLaunch(scr->last_dock, wwin->main_window);
 608                 else
 609                         wDockTrackWindowLaunch(scr->last_dock, window);
 610         }
 611
 612         if (wwin) {
 613                 wClientSetState(wwin, NormalState, None);
 614                 if (wwin->flags.maximized) {
 615                         wMaximizeWindow(wwin, wwin->flags.maximized);
 616                 }
 617                 if (wwin->flags.shaded) {
 618                         wwin->flags.shaded = 0;
 619                         wwin->flags.skip_next_animation = 1;
 620                         wShadeWindow(wwin);
 621                 }
 622                 if (wwin->flags.miniaturized) {
 623                         wwin->flags.miniaturized = 0;
 624                         wwin->flags.skip_next_animation = 1;
 625                         wIconifyWindow(wwin);
 626                 }
 627                 if (wwin->flags.fullscreen) {
 628                         wwin->flags.fullscreen = 0;
 629                         wFullscreenWindow(wwin);
 630                 }
 631                 if (wwin->flags.hidden) {
 632                         WApplication *wapp = wApplicationOf(wwin->main_window);
 633
 634                         wwin->flags.hidden = 0;
 635                         wwin->flags.skip_next_animation = 1;
 636                         if (wapp) {
 637                                 wHideApplication(wapp);
 638                         }
 639                 }
 640         }
 641 }
 642
 643 static void handleDestroyNotify(XEvent * event)
 644 {
 645         WWindow *wwin;
 646         WApplication *app;
 647         Window window = event->xdestroywindow.window;
 648         WScreen *scr = wScreenForRootWindow(event->xdestroywindow.event);
 649         int widx;
 650
 651         wwin = wWindowFor(window);
 652         if (wwin) {
 653                 wUnmanageWindow(wwin, False, True);
 654         }
 655
 656         if (scr != NULL) {
 657                 while ((widx = WMFindInArray(scr->fakeGroupLeaders, matchWindow, (void *)window)) != WANotFound) {
 658                         WFakeGroupLeader *fPtr;
 659
 660                         fPtr = WMGetFromArray(scr->fakeGroupLeaders, widx);
 661                         if (fPtr->retainCount > 0) {
 662                                 fPtr->retainCount--;
 663                                 if (fPtr->retainCount == 0 && fPtr->leader != None) {
 664                                         XDestroyWindow(dpy, fPtr->leader);
 665                                         fPtr->leader = None;
 666                                         XFlush(dpy);
 667                                 }
 668                         }
 669                         fPtr->origLeader = None;
 670                 }
 671         }
 672
 673         app = wApplicationOf(window);
 674         if (app) {
 675                 if (window == app->main_window) {
 676                         app->refcount = 0;
 677                         wwin = app->main_window_desc->screen_ptr->focused_window;
 678                         while (wwin) {
 679                                 if (wwin->main_window == window) {
 680                                         wwin->main_window = None;
 681                                 }
 682                                 wwin = wwin->prev;
 683                         }
 684                 }
 685                 wApplicationDestroy(app);
 686         }
 687 }
 688
 689 static void handleExpose(XEvent * event)
 690 {
 691         WObjDescriptor *desc;
 692         XEvent ev;
 693
 694         while (XCheckTypedWindowEvent(dpy, event->xexpose.window, Expose, &ev)) ;
 695
 696         if (XFindContext(dpy, event->xexpose.window, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 697                 return;
 698         }
 699
 700         if (desc->handle_expose) {
 701                 (*desc->handle_expose) (desc, event);
 702         }
 703 }
 704
 705 static void executeButtonAction(WScreen * scr, XEvent * event, int action)
 706 {
 707         switch (action) {
 708         case WA_SELECT_WINDOWS:
 709                 wUnselectWindows(scr);
 710                 wSelectWindows(scr, event);
 711                 break;
 712         case WA_OPEN_APPMENU:
 713                 OpenRootMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 714                 /* ugly hack */
 715                 if (scr->root_menu) {
 716                         if (scr->root_menu->brother->flags.mapped)
 717                                 event->xbutton.window = scr->root_menu->brother->frame->core->window;
 718                         else
 719                                 event->xbutton.window = scr->root_menu->frame->core->window;
 720                 }
 721                 break;
 722         case WA_OPEN_WINLISTMENU:
 723                 OpenSwitchMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 724                 if (scr->switch_menu) {
 725                         if (scr->switch_menu->brother->flags.mapped)
 726                                 event->xbutton.window = scr->switch_menu->brother->frame->core->window;
 727                         else
 728                                 event->xbutton.window = scr->switch_menu->frame->core->window;
 729                 }
 730                 break;
 731         default:
 732                 break;
 733         }
 734 }
 735
 736 /* bindable */
 737 static void handleButtonPress(XEvent * event)
 738 {
 739         WObjDescriptor *desc;
 740         WScreen *scr;
 741
 742         scr = wScreenForRootWindow(event->xbutton.root);
 743
 744 #ifdef BALLOON_TEXT
 745         wBalloonHide(scr);
 746 #endif
 747
 748         if (!wPreferences.disable_root_mouse && event->xbutton.window == scr->root_win) {
 749                 if (event->xbutton.button == Button1 && wPreferences.mouse_button1 != WA_NONE) {
 750                         executeButtonAction(scr, event, wPreferences.mouse_button1);
 751                 } else if (event->xbutton.button == Button2 && wPreferences.mouse_button2 != WA_NONE) {
 752                         executeButtonAction(scr, event, wPreferences.mouse_button2);
 753                 } else if (event->xbutton.button == Button3 && wPreferences.mouse_button3 != WA_NONE) {
 754                         executeButtonAction(scr, event, wPreferences.mouse_button3);
 755                 } else if (event->xbutton.button == Button8 && wPreferences.mouse_button8 != WA_NONE) {
 756                         executeButtonAction(scr, event, wPreferences.mouse_button8);
 757                 }else if (event->xbutton.button == Button9 && wPreferences.mouse_button9 != WA_NONE) {
 758                         executeButtonAction(scr, event, wPreferences.mouse_button9);
 759                 } else if (event->xbutton.button == Button4 && wPreferences.mouse_wheel_scroll != WA_NONE) {
 760                         wWorkspaceRelativeChange(scr, 1);
 761                 } else if (event->xbutton.button == Button5 && wPreferences.mouse_wheel_scroll != WA_NONE) {
 762                         wWorkspaceRelativeChange(scr, -1);
 763                 } else if (event->xbutton.button == Button6 && wPreferences.mouse_wheel_tilt != WA_NONE) {
 764                         wWorkspaceRelativeChange(scr, -1);
 765                 } else if (event->xbutton.button == Button7 && wPreferences.mouse_wheel_tilt != WA_NONE) {
 766                         wWorkspaceRelativeChange(scr, 1);
 767                 }
 768         }
 769
 770         desc = NULL;
 771         if (XFindContext(dpy, event->xbutton.subwindow, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 772                 if (XFindContext(dpy, event->xbutton.window, w_global.context.client_win, (XPointer *) & desc) == XCNOENT) {
 773                         return;
 774                 }
 775         }
 776
 777         if (desc->parent_type == WCLASS_WINDOW) {
 778                 XSync(dpy, 0);
 779
 780                 if (event->xbutton.state & ( MOD_MASK | ControlMask )) {
 781                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 782                 } else {
 783                         /*      if (wPreferences.focus_mode == WKF_CLICK) { */
 784                         if (wPreferences.ignore_focus_click) {
 785                                 XAllowEvents(dpy, AsyncPointer, CurrentTime);
 786                         }
 787                         XAllowEvents(dpy, ReplayPointer, CurrentTime);
 788                         /*      } */
 789                 }
 790                 XSync(dpy, 0);
 791         } else if (desc->parent_type == WCLASS_APPICON
 792                    || desc->parent_type == WCLASS_MINIWINDOW || desc->parent_type == WCLASS_DOCK_ICON) {
 793                 if (event->xbutton.state & MOD_MASK) {
 794                         XSync(dpy, 0);
 795                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 796                         XSync(dpy, 0);
 797                 }
 798         }
 799
 800         if (desc->handle_mousedown != NULL) {
 801                 (*desc->handle_mousedown) (desc, event);
 802         }
 803
 804         /* save double-click information */
 805         if (scr->flags.next_click_is_not_double) {
 806                 scr->flags.next_click_is_not_double = 0;
 807         } else {
 808                 scr->last_click_time = event->xbutton.time;
 809                 scr->last_click_button = event->xbutton.button;
 810                 scr->last_click_window = event->xbutton.window;
 811         }
 812 }
 813
 814 static void handleMapNotify(XEvent * event)
 815 {
 816         WWindow *wwin;
 817
 818         wwin = wWindowFor(event->xmap.event);
 819         if (wwin && wwin->client_win == event->xmap.event) {
 820                 if (wwin->flags.miniaturized) {
 821                         wDeiconifyWindow(wwin);
 822                 } else {
 823                         XGrabServer(dpy);
 824                         wWindowMap(wwin);
 825                         wClientSetState(wwin, NormalState, None);
 826                         XUngrabServer(dpy);
 827                 }
 828         }
 829 }
 830
 831 static void handleUnmapNotify(XEvent * event)
 832 {
 833         WWindow *wwin;
 834         XEvent ev;
 835         Bool withdraw = False;
 836
 837         /* only process windows with StructureNotify selected
 838          * (ignore SubstructureNotify) */
 839         wwin = wWindowFor(event->xunmap.window);
 840         if (!wwin)
 841                 return;
 842
 843         /* whether the event is a Withdrawal request */
 844         if (event->xunmap.event == wwin->screen_ptr->root_win && event->xunmap.send_event)
 845                 withdraw = True;
 846
 847         if (wwin->client_win != event->xunmap.event && !withdraw)
 848                 return;
 849
 850         if (!wwin->flags.mapped && !withdraw
 851             && wwin->frame->workspace == w_global.workspace.current
 852             && !wwin->flags.miniaturized && !wwin->flags.hidden)
 853                 return;
 854
 855         XGrabServer(dpy);
 856         XUnmapWindow(dpy, wwin->frame->core->window);
 857         wwin->flags.mapped = 0;
 858         XSync(dpy, 0);
 859         /* check if the window was destroyed */
 860         if (XCheckTypedWindowEvent(dpy, wwin->client_win, DestroyNotify, &ev)) {
 861                 DispatchEvent(&ev);
 862         } else {
 863                 Bool reparented = False;
 864
 865                 if (XCheckTypedWindowEvent(dpy, wwin->client_win, ReparentNotify, &ev))
 866                         reparented = True;
 867
 868                 /* withdraw window */
 869                 wwin->flags.mapped = 0;
 870                 if (!reparented)
 871                         wClientSetState(wwin, WithdrawnState, None);
 872
 873                 /* if the window was reparented, do not reparent it back to the
 874                  * root window */
 875                 wUnmanageWindow(wwin, !reparented, False);
 876         }
 877         XUngrabServer(dpy);
 878 }
 879
 880 static void handleConfigureRequest(XEvent * event)
 881 {
 882         WWindow *wwin;
 883
 884         if (!(wwin = wWindowFor(event->xconfigurerequest.window))) {
 885                 /*
 886                  * Configure request for unmapped window
 887                  */
 888                 wClientConfigure(NULL, &(event->xconfigurerequest));
 889         } else {
 890                 wClientConfigure(wwin, &(event->xconfigurerequest));
 891         }
 892 }
 893
 894 static void handlePropertyNotify(XEvent * event)
 895 {
 896         WWindow *wwin;
 897         WApplication *wapp;
 898         Window jr;
 899         int ji;
 900         unsigned int ju;
 901
 902         wwin = wWindowFor(event->xproperty.window);
 903         if (wwin) {
 904                 if (!XGetGeometry(dpy, wwin->client_win, &jr, &ji, &ji, &ju, &ju, &ju, &ju)) {
 905                         return;
 906                 }
 907                 wClientCheckProperty(wwin, &event->xproperty);
 908         }
 909         wapp = wApplicationOf(event->xproperty.window);
 910         if (wapp) {
 911                 wClientCheckProperty(wapp->main_window_desc, &event->xproperty);
 912         }
 913 }
 914
 915 static void handleClientMessage(XEvent * event)
 916 {
 917         WWindow *wwin;
 918         WObjDescriptor *desc;
 919
 920         /* handle transition from Normal to Iconic state */
 921         if (event->xclient.message_type == w_global.atom.wm.change_state
 922             && event->xclient.format == 32 && event->xclient.data.l[0] == IconicState) {
 923
 924                 wwin = wWindowFor(event->xclient.window);
 925                 if (!wwin)
 926                         return;
 927                 if (!wwin->flags.miniaturized)
 928                         wIconifyWindow(wwin);
 929         } else if (event->xclient.message_type == w_global.atom.wm.colormap_notify && event->xclient.format == 32) {
 930                 WScreen *scr = wScreenForRootWindow(event->xclient.window);
 931
 932                 if (!scr)
 933                         return;
 934
 935                 if (event->xclient.data.l[1] == 1) {    /* starting */
 936                         wColormapAllowClientInstallation(scr, True);
 937                 } else {        /* stopping */
 938                         wColormapAllowClientInstallation(scr, False);
 939                 }
 940         } else if (event->xclient.message_type == w_global.atom.wmaker.command) {
 941
 942                 char *command;
 943                 size_t len;
 944
 945                 len = sizeof(event->xclient.data.b) + 1;
 946                 command = wmalloc(len);
 947                 strncpy(command, event->xclient.data.b, sizeof(event->xclient.data.b));
 948
 949                 if (strncmp(command, "Reconfigure", sizeof("Reconfigure")) == 0) {
 950                         wwarning(_("Got Reconfigure command"));
 951                         wDefaultsCheckDomains(NULL);
 952                 } else {
 953                         wwarning(_("Got unknown command %s"), command);
 954                 }
 955
 956                 wfree(command);
 957
 958         } else if (event->xclient.message_type == w_global.atom.wmaker.wm_function) {
 959                 WApplication *wapp;
 960                 int done = 0;
 961                 wapp = wApplicationOf(event->xclient.window);
 962                 if (wapp) {
 963                         switch (event->xclient.data.l[0]) {
 964                         case WMFHideOtherApplications:
 965                                 wHideOtherApplications(wapp->main_window_desc);
 966                                 done = 1;
 967                                 break;
 968
 969                         case WMFHideApplication:
 970                                 wHideApplication(wapp);
 971                                 done = 1;
 972                                 break;
 973                         }
 974                 }
 975                 if (!done) {
 976                         wwin = wWindowFor(event->xclient.window);
 977                         if (wwin) {
 978                                 switch (event->xclient.data.l[0]) {
 979                                 case WMFHideOtherApplications:
 980                                         wHideOtherApplications(wwin);
 981                                         break;
 982
 983                                 case WMFHideApplication:
 984                                         wHideApplication(wApplicationOf(wwin->main_window));
 985                                         break;
 986                                 }
 987                         }
 988                 }
 989         } else if (event->xclient.message_type == w_global.atom.gnustep.wm_attr) {
 990                 wwin = wWindowFor(event->xclient.window);
 991                 if (!wwin)
 992                         return;
 993                 switch (event->xclient.data.l[0]) {
 994                 case GSWindowLevelAttr:
 995                         {
 996                                 int level = (int)event->xclient.data.l[1];
 997
 998                                 if (WINDOW_LEVEL(wwin) != level) {
 999                                         ChangeStackingLevel(wwin->frame->core, level);
1000                                 }
1001                         }
1002                         break;
1003                 }
1004         } else if (event->xclient.message_type == w_global.atom.gnustep.titlebar_state) {
1005                 wwin = wWindowFor(event->xclient.window);
1006                 if (!wwin)
1007                         return;
1008                 switch (event->xclient.data.l[0]) {
1009                 case WMTitleBarNormal:
1010                         wFrameWindowChangeState(wwin->frame, WS_UNFOCUSED);
1011                         break;
1012                 case WMTitleBarMain:
1013                         wFrameWindowChangeState(wwin->frame, WS_PFOCUSED);
1014                         break;
1015                 case WMTitleBarKey:
1016                         wFrameWindowChangeState(wwin->frame, WS_FOCUSED);
1017                         break;
1018                 }
1019         } else if (event->xclient.message_type == w_global.atom.wm.ignore_focus_events) {
1020                 WScreen *scr = wScreenForRootWindow(event->xclient.window);
1021                 if (!scr)
1022                         return;
1023                 scr->flags.ignore_focus_events = event->xclient.data.l[0] ? 1 : 0;
1024         } else if (wNETWMProcessClientMessage(&event->xclient)) {
1025                 /* do nothing */
1026 #ifdef XDND
1027         } else if (wXDNDProcessClientMessage(&event->xclient)) {
1028                 /* do nothing */
1029 #endif                          /* XDND */
1030         } else {
1031                 /*
1032                  * Non-standard thing, but needed by OffiX DND.
1033                  * For when the icon frame gets a ClientMessage
1034                  * that should have gone to the icon_window.
1035                  */
1036                 if (XFindContext(dpy, event->xbutton.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1037                         struct WIcon *icon = NULL;
1038
1039                         if (desc->parent_type == WCLASS_MINIWINDOW) {
1040                                 icon = (WIcon *) desc->parent;
1041                         } else if (desc->parent_type == WCLASS_DOCK_ICON || desc->parent_type == WCLASS_APPICON) {
1042                                 icon = ((WAppIcon *) desc->parent)->icon;
1043                         }
1044                         if (icon && (wwin = icon->owner)) {
1045                                 if (wwin->client_win != event->xclient.window) {
1046                                         event->xclient.window = wwin->client_win;
1047                                         XSendEvent(dpy, wwin->client_win, False, NoEventMask, event);
1048                                 }
1049                         }
1050                 }
1051         }
1052 }
1053
1054 static void raiseWindow(WScreen * scr)
1055 {
1056         WWindow *wwin;
1057
1058         scr->autoRaiseTimer = NULL;
1059
1060         wwin = wWindowFor(scr->autoRaiseWindow);
1061         if (!wwin)
1062                 return;
1063
1064         if (!wwin->flags.destroyed && wwin->flags.focused) {
1065                 wRaiseFrame(wwin->frame->core);
1066                 /* this is needed or a race condition will occur */
1067                 XSync(dpy, False);
1068         }
1069 }
1070
1071 static void handleEnterNotify(XEvent * event)
1072 {
1073         WWindow *wwin;
1074         WObjDescriptor *desc = NULL;
1075         XEvent ev;
1076         WScreen *scr = wScreenForRootWindow(event->xcrossing.root);
1077
1078         if (XCheckTypedWindowEvent(dpy, event->xcrossing.window, LeaveNotify, &ev)) {
1079                 /* already left the window... */
1080                 saveTimestamp(&ev);
1081                 if (ev.xcrossing.mode == event->xcrossing.mode && ev.xcrossing.detail == event->xcrossing.detail) {
1082                         return;
1083                 }
1084         }
1085
1086         if (XFindContext(dpy, event->xcrossing.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1087                 if (desc->handle_enternotify)
1088                         (*desc->handle_enternotify) (desc, event);
1089         }
1090
1091         /* enter to window */
1092         wwin = wWindowFor(event->xcrossing.window);
1093         if (!wwin) {
1094                 if (wPreferences.colormap_mode == WCM_POINTER) {
1095                         wColormapInstallForWindow(scr, NULL);
1096                 }
1097                 if (scr->autoRaiseTimer && event->xcrossing.root == event->xcrossing.window) {
1098                         WMDeleteTimerHandler(scr->autoRaiseTimer);
1099                         scr->autoRaiseTimer = NULL;
1100                 }
1101         } else {
1102                 /* set auto raise timer even if in focus-follows-mouse mode
1103                  * and the event is for the frame window, even if the window
1104                  * has focus already.  useful if you move the pointer from a focused
1105                  * window to the root window and back pretty fast
1106                  *
1107                  * set focus if in focus-follows-mouse mode and the event
1108                  * is for the frame window and window doesn't have focus yet */
1109                 if (wPreferences.focus_mode == WKF_SLOPPY
1110                     && wwin->frame->core->window == event->xcrossing.window && !scr->flags.doing_alt_tab) {
1111
1112                         if (!wwin->flags.focused && !WFLAGP(wwin, no_focusable))
1113                                 wSetFocusTo(scr, wwin);
1114
1115                         if (scr->autoRaiseTimer)
1116                                 WMDeleteTimerHandler(scr->autoRaiseTimer);
1117                         scr->autoRaiseTimer = NULL;
1118
1119                         if (wPreferences.raise_delay && !WFLAGP(wwin, no_focusable)) {
1120                                 scr->autoRaiseWindow = wwin->frame->core->window;
1121                                 scr->autoRaiseTimer
1122                                     = WMAddTimerHandler(wPreferences.raise_delay, (WMCallback *) raiseWindow, scr);
1123                         }
1124                 }
1125                 /* Install colormap for window, if the colormap installation mode
1126                  * is colormap_follows_mouse */
1127                 if (wPreferences.colormap_mode == WCM_POINTER) {
1128                         if (wwin->client_win == event->xcrossing.window)
1129                                 wColormapInstallForWindow(scr, wwin);
1130                         else
1131                                 wColormapInstallForWindow(scr, NULL);
1132                 }
1133         }
1134
1135         if (event->xcrossing.window == event->xcrossing.root
1136             && event->xcrossing.detail == NotifyNormal
1137             && event->xcrossing.detail != NotifyInferior && wPreferences.focus_mode != WKF_CLICK) {
1138
1139                 wSetFocusTo(scr, scr->focused_window);
1140         }
1141 #ifdef BALLOON_TEXT
1142         wBalloonEnteredObject(scr, desc);
1143 #endif
1144 }
1145
1146 static void handleLeaveNotify(XEvent * event)
1147 {
1148         WObjDescriptor *desc = NULL;
1149
1150         if (XFindContext(dpy, event->xcrossing.window, w_global.context.client_win, (XPointer *) & desc) != XCNOENT) {
1151                 if (desc->handle_leavenotify)
1152                         (*desc->handle_leavenotify) (desc, event);
1153         }
1154 }
1155
1156 #ifdef USE_XSHAPE
1157 static void handleShapeNotify(XEvent * event)
1158 {
1159         XShapeEvent *shev = (XShapeEvent *) event;
1160         WWindow *wwin;
1161         union {
1162                 XEvent xevent;
1163                 XShapeEvent xshape;
1164         } ev;
1165
1166         while (XCheckTypedWindowEvent(dpy, shev->window, event->type, &ev.xevent)) {
1167                 if (ev.xshape.kind == ShapeBounding) {
1168                         if (ev.xshape.shaped == shev->shaped) {
1169                                 *shev = ev.xshape;
1170                         } else {
1171                                 XPutBackEvent(dpy, &ev.xevent);
1172                                 break;
1173                         }
1174                 }
1175         }
1176
1177         wwin = wWindowFor(shev->window);
1178         if (!wwin || shev->kind != ShapeBounding)
1179                 return;
1180
1181         if (!shev->shaped && wwin->flags.shaped) {
1182
1183                 wwin->flags.shaped = 0;
1184                 wWindowClearShape(wwin);
1185
1186         } else if (shev->shaped) {
1187
1188                 wwin->flags.shaped = 1;
1189                 wWindowSetShape(wwin);
1190         }
1191 }
1192 #endif                          /* USE_XSHAPE */
1193
1194 #ifdef KEEP_XKB_LOCK_STATUS
1195 /* please help ]d if you know what to do */
1196 static void handleXkbIndicatorStateNotify(XkbEvent *event)
1197 {
1198         WWindow *wwin;
1199         WScreen *scr;
1200         XkbStateRec staterec;
1201         int i;
1202
1203         for (i = 0; i < w_global.screen_count; i++) {
1204                 scr = wScreenWithNumber(i);
1205                 wwin = scr->focused_window;
1206                 if (wwin && wwin->flags.focused) {
1207                         XkbGetState(dpy, XkbUseCoreKbd, &staterec);
1208                         if (wwin->frame->languagemode != staterec.group) {
1209                                 wwin->frame->last_languagemode = wwin->frame->languagemode;
1210                                 wwin->frame->languagemode = staterec.group;
1211                         }
1212 #ifdef XKB_BUTTON_HINT
1213                         if (wwin->frame->titlebar) {
1214                                 wFrameWindowPaint(wwin->frame);
1215                         }
1216 #endif
1217                 }
1218         }
1219 }
1220 #endif                          /*KEEP_XKB_LOCK_STATUS */
1221
1222 static void handleColormapNotify(XEvent * event)
1223 {
1224         WWindow *wwin;
1225         WScreen *scr;
1226         Bool reinstall = False;
1227
1228         wwin = wWindowFor(event->xcolormap.window);
1229         if (!wwin)
1230                 return;
1231
1232         scr = wwin->screen_ptr;
1233
1234         do {
1235                 if (wwin) {
1236                         if (event->xcolormap.new) {
1237                                 XWindowAttributes attr;
1238
1239                                 XGetWindowAttributes(dpy, wwin->client_win, &attr);
1240
1241                                 if (wwin == scr->cmap_window && wwin->cmap_window_no == 0)
1242                                         scr->current_colormap = attr.colormap;
1243
1244                                 reinstall = True;
1245                         } else if (event->xcolormap.state == ColormapUninstalled &&
1246                                    scr->current_colormap == event->xcolormap.colormap) {
1247
1248                                 /* some bastard app (like XV) removed our colormap */
1249                                 /*
1250                                  * can't enforce or things like xscreensaver wont work
1251                                  * reinstall = True;
1252                                  */
1253                         } else if (event->xcolormap.state == ColormapInstalled &&
1254                                    scr->current_colormap == event->xcolormap.colormap) {
1255
1256                                 /* someone has put our colormap back */
1257                                 reinstall = False;
1258                         }
1259                 }
1260         } while (XCheckTypedEvent(dpy, ColormapNotify, event)
1261                  && ((wwin = wWindowFor(event->xcolormap.window)) || 1));
1262
1263         if (reinstall && scr->current_colormap != None) {
1264                 if (!scr->flags.colormap_stuff_blocked)
1265                         XInstallColormap(dpy, scr->current_colormap);
1266         }
1267 }
1268
1269 static void handleFocusIn(XEvent * event)
1270 {
1271         WWindow *wwin;
1272
1273         /*
1274          * For applications that like stealing the focus.
1275          */
1276         while (XCheckTypedEvent(dpy, FocusIn, event)) ;
1277         saveTimestamp(event);
1278         if (event->xfocus.mode == NotifyUngrab
1279             || event->xfocus.mode == NotifyGrab || event->xfocus.detail > NotifyNonlinearVirtual) {
1280                 return;
1281         }
1282
1283         wwin = wWindowFor(event->xfocus.window);
1284         if (wwin && !wwin->flags.focused) {
1285                 if (wwin->flags.mapped)
1286                         wSetFocusTo(wwin->screen_ptr, wwin);
1287                 else
1288                         wSetFocusTo(wwin->screen_ptr, NULL);
1289         } else if (!wwin) {
1290                 WScreen *scr = wScreenForWindow(event->xfocus.window);
1291                 if (scr)
1292                         wSetFocusTo(scr, NULL);
1293         }
1294 }
1295
1296 static WWindow *windowUnderPointer(WScreen * scr)
1297 {
1298         unsigned int mask;
1299         int foo;
1300         Window bar, win;
1301
1302         if (XQueryPointer(dpy, scr->root_win, &bar, &win, &foo, &foo, &foo, &foo, &mask))
1303                 return wWindowFor(win);
1304         return NULL;
1305 }
1306
1307 static int CheckFullScreenWindowFocused(WScreen * scr)
1308 {
1309         if (scr->focused_window && scr->focused_window->flags.fullscreen)
1310                 return 1;
1311         else
1312                 return 0;
1313 }
1314
1315 static void handleKeyPress(XEvent * event)
1316 {
1317         WScreen *scr = wScreenForRootWindow(event->xkey.root);
1318         WWindow *wwin = scr->focused_window;
1319         short i, widx;
1320         int modifiers;
1321         int command = -1;
1322 #ifdef KEEP_XKB_LOCK_STATUS
1323         XkbStateRec staterec;
1324 #endif                          /*KEEP_XKB_LOCK_STATUS */
1325
1326         /* ignore CapsLock */
1327         modifiers = event->xkey.state & w_global.shortcut.modifiers_mask;
1328
1329         for (i = 0; i < WKBD_LAST; i++) {
1330                 if (wKeyBindings[i].keycode == 0)
1331                         continue;
1332
1333                 if (wKeyBindings[i].keycode == event->xkey.keycode && ( /*wKeyBindings[i].modifier==0
1334                                                                            || */ wKeyBindings[i].modifier ==
1335                                                                               modifiers)) {
1336                         command = i;
1337                         break;
1338                 }
1339         }
1340
1341         if (command < 0) {
1342
1343                 if (!wRootMenuPerformShortcut(event)) {
1344                         static int dontLoop = 0;
1345
1346                         if (dontLoop > 10) {
1347                                 wwarning("problem with key event processing code");
1348                                 return;
1349                         }
1350                         dontLoop++;
1351                         /* if the focused window is an internal window, try redispatching
1352                          * the event to the managed window, as it can be a WINGs window */
1353                         if (wwin && wwin->flags.internal_window && wwin->client_leader != None) {
1354                                 /* client_leader contains the WINGs toplevel */
1355                                 event->xany.window = wwin->client_leader;
1356                                 WMHandleEvent(event);
1357                         }
1358                         dontLoop--;
1359                 }
1360                 return;
1361         }
1362 #define ISMAPPED(w) ((w) && !(w)->flags.miniaturized && ((w)->flags.mapped || (w)->flags.shaded))
1363 #define ISFOCUSED(w) ((w) && (w)->flags.focused)
1364
1365         switch (command) {
1366
1367         case WKBD_ROOTMENU:
1368                 /*OpenRootMenu(scr, event->xkey.x_root, event->xkey.y_root, True); */
1369                 if (!CheckFullScreenWindowFocused(scr)) {
1370                         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1371                         OpenRootMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
1372                                      True);
1373                 }
1374                 break;
1375         case WKBD_WINDOWLIST:
1376                 if (!CheckFullScreenWindowFocused(scr)) {
1377                         WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1378                         OpenSwitchMenu(scr, rect.pos.x + rect.size.width / 2, rect.pos.y + rect.size.height / 2,
1379                                        True);
1380                 }
1381                 break;
1382
1383         case WKBD_WINDOWMENU:
1384                 if (ISMAPPED(wwin) && ISFOCUSED(wwin))
1385                         OpenWindowMenu(wwin, wwin->frame_x, wwin->frame_y + wwin->frame->top_width, True);
1386                 break;
1387         case WKBD_MINIMIZEALL:
1388                 CloseWindowMenu(scr);
1389                 wHideAll(scr);
1390                 break;
1391         case WKBD_MINIATURIZE:
1392                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)
1393                     && !WFLAGP(wwin, no_miniaturizable)) {
1394                         CloseWindowMenu(scr);
1395
1396                         if (wwin->protocols.MINIATURIZE_WINDOW)
1397                                 wClientSendProtocol(wwin, w_global.atom.gnustep.wm_miniaturize_window, event->xbutton.time);
1398                         else {
1399                                 wIconifyWindow(wwin);
1400                         }
1401                 }
1402                 break;
1403         case WKBD_HIDE:
1404                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1405                         WApplication *wapp = wApplicationOf(wwin->main_window);
1406                         CloseWindowMenu(scr);
1407
1408                         if (wapp && !WFLAGP(wapp->main_window_desc, no_appicon)) {
1409                                 wHideApplication(wapp);
1410                         }
1411                 }
1412                 break;
1413         case WKBD_HIDE_OTHERS:
1414                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1415                         CloseWindowMenu(scr);
1416
1417                         wHideOtherApplications(wwin);
1418                 }
1419                 break;
1420         case WKBD_MAXIMIZE:
1421                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1422                         CloseWindowMenu(scr);
1423
1424                         handleMaximize(wwin, MAX_VERTICAL | MAX_HORIZONTAL | MAX_KEYBOARD);
1425                 }
1426                 break;
1427         case WKBD_VMAXIMIZE:
1428                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1429                         CloseWindowMenu(scr);
1430
1431                         handleMaximize(wwin, MAX_VERTICAL | MAX_KEYBOARD);
1432                 }
1433                 break;
1434         case WKBD_HMAXIMIZE:
1435                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1436                         CloseWindowMenu(scr);
1437
1438                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_KEYBOARD);
1439                 }
1440                 break;
1441         case WKBD_LHMAXIMIZE:
1442                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1443                         CloseWindowMenu(scr);
1444
1445                         handleMaximize(wwin, MAX_VERTICAL | MAX_LEFTHALF | MAX_KEYBOARD);
1446                 }
1447                 break;
1448         case WKBD_RHMAXIMIZE:
1449                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1450                         CloseWindowMenu(scr);
1451
1452                         handleMaximize(wwin, MAX_VERTICAL | MAX_RIGHTHALF | MAX_KEYBOARD);
1453                 }
1454                 break;
1455         case WKBD_THMAXIMIZE:
1456                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1457                         CloseWindowMenu(scr);
1458
1459                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_TOPHALF | MAX_KEYBOARD);
1460                 }
1461                 break;
1462         case WKBD_BHMAXIMIZE:
1463                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1464                         CloseWindowMenu(scr);
1465
1466                         handleMaximize(wwin, MAX_HORIZONTAL | MAX_BOTTOMHALF | MAX_KEYBOARD);
1467                 }
1468                 break;
1469         case WKBD_LTCMAXIMIZE:
1470                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1471                         CloseWindowMenu(scr);
1472
1473                         handleMaximize(wwin, MAX_LEFTHALF | MAX_TOPHALF | MAX_KEYBOARD);
1474                 }
1475                 break;
1476         case WKBD_RTCMAXIMIZE:
1477                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1478                         CloseWindowMenu(scr);
1479
1480                         handleMaximize(wwin, MAX_RIGHTHALF | MAX_TOPHALF | MAX_KEYBOARD);
1481                 }
1482                 break;
1483         case WKBD_LBCMAXIMIZE:
1484                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1485                         CloseWindowMenu(scr);
1486
1487                         handleMaximize(wwin, MAX_LEFTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
1488                 }
1489                  break;
1490         case WKBD_RBCMAXIMIZE:
1491                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1492                         CloseWindowMenu(scr);
1493
1494                         handleMaximize(wwin, MAX_RIGHTHALF | MAX_BOTTOMHALF | MAX_KEYBOARD);
1495                 }
1496                 break;
1497         case WKBD_MAXIMUS:
1498                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1499                         CloseWindowMenu(scr);
1500
1501                         handleMaximize(wwin, MAX_MAXIMUS | MAX_KEYBOARD);
1502                 }
1503                 break;
1504         case WKBD_RAISE:
1505                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1506                         CloseWindowMenu(scr);
1507
1508                         wRaiseFrame(wwin->frame->core);
1509                 }
1510                 break;
1511         case WKBD_LOWER:
1512                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1513                         CloseWindowMenu(scr);
1514
1515                         wLowerFrame(wwin->frame->core);
1516                 }
1517                 break;
1518         case WKBD_RAISELOWER:
1519                 /* raise or lower the window under the pointer, not the
1520                  * focused one
1521                  */
1522                 wwin = windowUnderPointer(scr);
1523                 if (wwin)
1524                         wRaiseLowerFrame(wwin->frame->core);
1525                 break;
1526         case WKBD_SHADE:
1527                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_shadeable)) {
1528                         if (wwin->flags.shaded)
1529                                 wUnshadeWindow(wwin);
1530                         else
1531                                 wShadeWindow(wwin);
1532                 }
1533                 break;
1534         case WKBD_MOVERESIZE:
1535                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && (IS_RESIZABLE(wwin) || IS_MOVABLE(wwin))) {
1536                         CloseWindowMenu(scr);
1537
1538                         wKeyboardMoveResizeWindow(wwin);
1539                 }
1540                 break;
1541         case WKBD_CLOSE:
1542                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_closable)) {
1543                         CloseWindowMenu(scr);
1544                         if (wwin->protocols.DELETE_WINDOW)
1545                                 wClientSendProtocol(wwin, w_global.atom.wm.delete_window, event->xkey.time);
1546                 }
1547                 break;
1548         case WKBD_SELECT:
1549                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1550                         wSelectWindow(wwin, !wwin->flags.selected);
1551                 }
1552                 break;
1553         case WKBD_FOCUSNEXT:
1554                 StartWindozeCycle(wwin, event, True, False);
1555                 break;
1556
1557         case WKBD_FOCUSPREV:
1558                 StartWindozeCycle(wwin, event, False, False);
1559                 break;
1560
1561         case WKBD_GROUPNEXT:
1562                 StartWindozeCycle(wwin, event, True, True);
1563                 break;
1564
1565         case WKBD_GROUPPREV:
1566                 StartWindozeCycle(wwin, event, False, True);
1567                 break;
1568
1569         case WKBD_WORKSPACE1 ... WKBD_WORKSPACE10:
1570                 widx = command - WKBD_WORKSPACE1;
1571                 i = (w_global.workspace.current / 10) * 10 + widx;
1572                 if (wPreferences.ws_advance || i < w_global.workspace.count)
1573                         wWorkspaceChange(scr, i);
1574                 break;
1575
1576         case WKBD_NEXTWORKSPACE:
1577                 wWorkspaceRelativeChange(scr, 1);
1578                 break;
1579         case WKBD_PREVWORKSPACE:
1580                 wWorkspaceRelativeChange(scr, -1);
1581                 break;
1582         case WKBD_LASTWORKSPACE:
1583                 wWorkspaceChange(scr, w_global.workspace.last_used);
1584                 break;
1585
1586         case WKBD_MOVE_WORKSPACE1 ... WKBD_MOVE_WORKSPACE10:
1587                 widx = command - WKBD_MOVE_WORKSPACE1;
1588                 i = (w_global.workspace.current / 10) * 10 + widx;
1589                 if (wwin && (wPreferences.ws_advance || i < w_global.workspace.count))
1590                         wWindowChangeWorkspace(wwin, i);
1591                 break;
1592
1593         case WKBD_MOVE_NEXTWORKSPACE:
1594                 if (wwin)
1595                         wWindowChangeWorkspaceRelative(wwin, 1);
1596                 break;
1597         case WKBD_MOVE_PREVWORKSPACE:
1598                 if (wwin)
1599                         wWindowChangeWorkspaceRelative(wwin, -1);
1600                 break;
1601         case WKBD_MOVE_LASTWORKSPACE:
1602                 if (wwin)
1603                         wWindowChangeWorkspace(wwin, w_global.workspace.last_used);
1604                 break;
1605
1606         case WKBD_MOVE_NEXTWSLAYER:
1607         case WKBD_MOVE_PREVWSLAYER:
1608                 {
1609                         if (wwin) {
1610                                 int row, column;
1611
1612                                 row = w_global.workspace.current / 10;
1613                                 column = w_global.workspace.current % 10;
1614
1615                                 if (command == WKBD_MOVE_NEXTWSLAYER) {
1616                                         if ((row + 1) * 10 < w_global.workspace.count)
1617                                                 wWindowChangeWorkspace(wwin, column + (row + 1) * 10);
1618                                 } else {
1619                                         if (row > 0)
1620                                                 wWindowChangeWorkspace(wwin, column + (row - 1) * 10);
1621                                 }
1622                         }
1623                 }
1624                 break;
1625
1626         case WKBD_WINDOW1:
1627         case WKBD_WINDOW2:
1628         case WKBD_WINDOW3:
1629         case WKBD_WINDOW4:
1630         case WKBD_WINDOW5:
1631         case WKBD_WINDOW6:
1632         case WKBD_WINDOW7:
1633         case WKBD_WINDOW8:
1634         case WKBD_WINDOW9:
1635         case WKBD_WINDOW10:
1636
1637                 widx = command - WKBD_WINDOW1;
1638
1639                 if (w_global.shortcut.windows[widx]) {
1640                         WMArray *list = w_global.shortcut.windows[widx];
1641                         int cw;
1642                         int count = WMGetArrayItemCount(list);
1643                         WWindow *twin;
1644                         WMArrayIterator iter;
1645                         WWindow *wwin;
1646
1647                         wUnselectWindows(scr);
1648                         cw = w_global.workspace.current;
1649
1650                         WM_ETARETI_ARRAY(list, wwin, iter) {
1651                                 if (count > 1)
1652                                         wWindowChangeWorkspace(wwin, cw);
1653
1654                                 wMakeWindowVisible(wwin);
1655
1656                                 if (count > 1)
1657                                         wSelectWindow(wwin, True);
1658                         }
1659
1660                         /* rotate the order of windows, to create a cycling effect */
1661                         twin = WMGetFromArray(list, 0);
1662                         WMDeleteFromArray(list, 0);
1663                         WMAddToArray(list, twin);
1664
1665                 } else if (wwin && ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1666                         if (w_global.shortcut.windows[widx]) {
1667                                 WMFreeArray(w_global.shortcut.windows[widx]);
1668                                 w_global.shortcut.windows[widx] = NULL;
1669                         }
1670
1671                         if (wwin->flags.selected && scr->selected_windows) {
1672                                 w_global.shortcut.windows[widx] = WMDuplicateArray(scr->selected_windows);
1673                         } else {
1674                                 w_global.shortcut.windows[widx] = WMCreateArray(4);
1675                                 WMAddToArray(w_global.shortcut.windows[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                         if (wwin->flags.selected && scr->selected_windows) {
1686                                 if (w_global.shortcut.windows[widx])
1687                                         WMFreeArray(w_global.shortcut.windows[widx]);
1688
1689                                 w_global.shortcut.windows[widx] = WMDuplicateArray(scr->selected_windows);
1690                         }
1691                 }
1692
1693                 break;
1694
1695         case WKBD_RELAUNCH:
1696                 if (ISMAPPED(wwin) && ISFOCUSED(wwin))
1697                         (void) RelaunchWindow(wwin);
1698
1699                 break;
1700
1701         case WKBD_SWITCH_SCREEN:
1702                 if (w_global.screen_count > 1) {
1703                         WScreen *scr2;
1704                         int i;
1705
1706                         /* find index of this screen */
1707                         for (i = 0; i < w_global.screen_count; i++) {
1708                                 if (wScreenWithNumber(i) == scr)
1709                                         break;
1710                         }
1711                         i++;
1712                         if (i >= w_global.screen_count) {
1713                                 i = 0;
1714                         }
1715                         scr2 = wScreenWithNumber(i);
1716
1717                         if (scr2) {
1718                                 XWarpPointer(dpy, scr->root_win, scr2->root_win, 0, 0, 0, 0,
1719                                              scr2->scr_width / 2, scr2->scr_height / 2);
1720                         }
1721                 }
1722                 break;
1723
1724         case WKBD_RUN:
1725         {
1726                 char *cmdline;
1727
1728                 cmdline = ExpandOptions(scr, _("exec %a(Run,Type command to run:)"));
1729
1730                 if (cmdline) {
1731                         XGrabPointer(dpy, scr->root_win, True, 0,
1732                              GrabModeAsync, GrabModeAsync, None, wPreferences.cursor[WCUR_WAIT], CurrentTime);
1733                         XSync(dpy, False);
1734
1735                         ExecuteShellCommand(scr, cmdline);
1736                         wfree(cmdline);
1737
1738                         XUngrabPointer(dpy, CurrentTime);
1739                         XSync(dpy, False);
1740                 }
1741                 break;
1742         }
1743
1744         case WKBD_NEXTWSLAYER:
1745         case WKBD_PREVWSLAYER:
1746                 {
1747                         int row, column;
1748
1749                         row = w_global.workspace.current / 10;
1750                         column = w_global.workspace.current % 10;
1751
1752                         if (command == WKBD_NEXTWSLAYER) {
1753                                 if ((row + 1) * 10 < w_global.workspace.count)
1754                                         wWorkspaceChange(scr, column + (row + 1) * 10);
1755                         } else {
1756                                 if (row > 0)
1757                                         wWorkspaceChange(scr, column + (row - 1) * 10);
1758                         }
1759                 }
1760                 break;
1761         case WKBD_CLIPRAISELOWER:
1762                 if (!wPreferences.flags.noclip)
1763                         wDockRaiseLower(w_global.workspace.array[w_global.workspace.current]->clip);
1764                 break;
1765         case WKBD_DOCKRAISELOWER:
1766                 if (!wPreferences.flags.nodock)
1767                         wDockRaiseLower(scr->dock);
1768                 break;
1769 #ifdef KEEP_XKB_LOCK_STATUS
1770         case WKBD_TOGGLE:
1771                 if (wPreferences.modelock) {
1772                         /*toggle */
1773                         wwin = scr->focused_window;
1774
1775                         if (wwin && wwin->flags.mapped
1776                             && wwin->frame->workspace == w_global.workspace.current
1777                             && !wwin->flags.miniaturized && !wwin->flags.hidden) {
1778                                 XkbGetState(dpy, XkbUseCoreKbd, &staterec);
1779
1780                                 wwin->frame->languagemode = wwin->frame->last_languagemode;
1781                                 wwin->frame->last_languagemode = staterec.group;
1782                                 XkbLockGroup(dpy, XkbUseCoreKbd, wwin->frame->languagemode);
1783
1784                         }
1785                 }
1786                 break;
1787 #endif  /* KEEP_XKB_LOCK_STATUS */
1788         }
1789 }
1790
1791 static void handleMotionNotify(XEvent * event)
1792 {
1793         WScreen *scr = wScreenForRootWindow(event->xmotion.root);
1794
1795         if (wPreferences.scrollable_menus) {
1796                 WMPoint p = wmkpoint(event->xmotion.x_root, event->xmotion.y_root);
1797                 WMRect rect = wGetRectForHead(scr, wGetHeadForPoint(scr, p));
1798
1799                 if (scr->flags.jump_back_pending ||
1800                     p.x <= (rect.pos.x + 1) ||
1801                     p.x >= (rect.pos.x + rect.size.width - 2) ||
1802                     p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
1803                         WMenu *menu;
1804
1805                         menu = wMenuUnderPointer(scr);
1806                         if (menu != NULL)
1807                                 wMenuScroll(menu);
1808                 }
1809         }
1810 }
1811
1812 static void handleVisibilityNotify(XEvent * event)
1813 {
1814         WWindow *wwin;
1815
1816         wwin = wWindowFor(event->xvisibility.window);
1817         if (!wwin)
1818                 return;
1819         wwin->flags.obscured = (event->xvisibility.state == VisibilityFullyObscured);
1820 }