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
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 #include "wconfig.h"
  24
  25 #ifdef HAVE_INOTIFY
  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
  34 #include <X11/Xlib.h>
  35 #include <X11/Xutil.h>
  36 #ifdef SHAPE
  37 # include <X11/extensions/shape.h>
  38 #endif
  39 #ifdef XDND
  40 #include "xdnd.h"
  41 #endif
  42
  43 #ifdef KEEP_XKB_LOCK_STATUS
  44 #include <X11/XKBlib.h>
  45 #endif                          /* KEEP_XKB_LOCK_STATUS */
  46
  47 #include "WindowMaker.h"
  48 #include "window.h"
  49 #include "actions.h"
  50 #include "client.h"
  51 #include "funcs.h"
  52 #include "keybind.h"
  53 #include "application.h"
  54 #include "stacking.h"
  55 #include "defaults.h"
  56 #include "workspace.h"
  57 #include "dock.h"
  58 #include "framewin.h"
  59 #include "properties.h"
  60 #include "balloon.h"
  61 #include "xinerama.h"
  62 #include "wmspec.h"
  63
  64 /******** Global Variables **********/
  65 extern XContext wWinContext;
  66 extern XContext wVEdgeContext;
  67
  68 extern Cursor wCursor[WCUR_LAST];
  69
  70 extern WShortKey wKeyBindings[WKBD_LAST];
  71 extern int wScreenCount;
  72 extern Time LastTimestamp;
  73 extern Time LastFocusChange;
  74
  75 extern WPreferences wPreferences;
  76
  77 #define MOD_MASK wPreferences.modifier_mask
  78
  79 extern Atom _XA_WM_COLORMAP_NOTIFY;
  80
  81 extern Atom _XA_WM_CHANGE_STATE;
  82 extern Atom _XA_WM_DELETE_WINDOW;
  83 extern Atom _XA_GNUSTEP_WM_ATTR;
  84 extern Atom _XA_GNUSTEP_WM_MINIATURIZE_WINDOW;
  85 extern Atom _XA_GNUSTEP_TITLEBAR_STATE;
  86 extern Atom _XA_WINDOWMAKER_WM_FUNCTION;
  87 extern Atom _XA_WINDOWMAKER_COMMAND;
  88 extern Atom _XA_WM_IGNORE_FOCUS_EVENTS;
  89
  90 #ifdef SHAPE
  91 extern Bool wShapeSupported;
  92 extern int wShapeEventBase;
  93 #endif
  94
  95 #ifdef KEEP_XKB_LOCK_STATUS
  96 extern int wXkbEventBase;
  97 #endif
  98
  99 /* special flags */
 100 /*extern char WDelayedActionSet;*/
 101
 102 /************ Local stuff ***********/
 103
 104 static void saveTimestamp(XEvent *event);
 105 static void handleColormapNotify(XEvent *event);
 106 static void handleMapNotify(XEvent *event);
 107 static void handleUnmapNotify(XEvent *event);
 108 static void handleButtonPress(XEvent *event);
 109 static void handleExpose(XEvent *event);
 110 static void handleDestroyNotify(XEvent *event);
 111 static void handleConfigureRequest(XEvent *event);
 112 static void handleMapRequest(XEvent *event);
 113 static void handlePropertyNotify(XEvent *event);
 114 static void handleEnterNotify(XEvent *event);
 115 static void handleLeaveNotify(XEvent *event);
 116 static void handleExtensions(XEvent *event);
 117 static void handleClientMessage(XEvent *event);
 118 static void handleKeyPress(XEvent *event);
 119 static void handleFocusIn(XEvent *event);
 120 static void handleMotionNotify(XEvent *event);
 121 static void handleVisibilityNotify(XEvent *event);
 122
 123 #ifdef SHAPE
 124 static void handleShapeNotify(XEvent *event);
 125 #endif
 126
 127 /* called from the signal handler */
 128 void NotifyDeadProcess(pid_t pid, unsigned char status);
 129
 130 /* real dead process handler */
 131 static void handleDeadProcess(void *foo);
 132
 133 typedef struct DeadProcesses {
 134         pid_t pid;
 135         unsigned char exit_status;
 136 } DeadProcesses;
 137
 138 /* stack of dead processes */
 139 static DeadProcesses deadProcesses[MAX_DEAD_PROCESSES];
 140 static int deadProcessPtr = 0;
 141
 142 typedef struct DeathHandler {
 143         WDeathHandler *callback;
 144         pid_t pid;
 145         void *client_data;
 146 } DeathHandler;
 147
 148 static WMArray *deathHandlers = NULL;
 149
 150 WMagicNumber wAddDeathHandler(pid_t pid, WDeathHandler * callback, void *cdata)
 151 {
 152         DeathHandler *handler;
 153
 154         handler = malloc(sizeof(DeathHandler));
 155         if (!handler)
 156                 return 0;
 157
 158         handler->pid = pid;
 159         handler->callback = callback;
 160         handler->client_data = cdata;
 161
 162         if (!deathHandlers)
 163                 deathHandlers = WMCreateArrayWithDestructor(8, wfree);
 164
 165         WMAddToArray(deathHandlers, handler);
 166
 167         return handler;
 168 }
 169
 170 void wDeleteDeathHandler(WMagicNumber id)
 171 {
 172         DeathHandler *handler = (DeathHandler *) id;
 173
 174         if (!handler || !deathHandlers)
 175                 return;
 176
 177         /* array destructor will call wfree(handler) */
 178         WMRemoveFromArray(deathHandlers, handler);
 179 }
 180
 181 void DispatchEvent(XEvent * event)
 182 {
 183         if (deathHandlers)
 184                 handleDeadProcess(NULL);
 185
 186         if (WCHECK_STATE(WSTATE_NEED_EXIT)) {
 187                 WCHANGE_STATE(WSTATE_EXITING);
 188                 /* received SIGTERM */
 189                 /*
 190                  * WMHandleEvent() can't be called from anything
 191                  * executed inside here, or we can get in a infinite
 192                  * recursive loop.
 193                  */
 194                 Shutdown(WSExitMode);
 195
 196         } else if (WCHECK_STATE(WSTATE_NEED_RESTART)) {
 197                 WCHANGE_STATE(WSTATE_RESTARTING);
 198
 199                 Shutdown(WSRestartPreparationMode);
 200                 /* received SIGHUP */
 201                 Restart(NULL, True);
 202         } else if (WCHECK_STATE(WSTATE_NEED_REREAD)) {
 203                 WCHANGE_STATE(WSTATE_NORMAL);
 204                 wDefaultsCheckDomains(NULL);
 205         }
 206
 207         /* for the case that all that is wanted to be dispatched is
 208          * the stuff above */
 209         if (!event)
 210                 return;
 211
 212         saveTimestamp(event);
 213         switch (event->type) {
 214         case MapRequest:
 215                 handleMapRequest(event);
 216                 break;
 217
 218         case KeyPress:
 219                 handleKeyPress(event);
 220                 break;
 221
 222         case MotionNotify:
 223                 handleMotionNotify(event);
 224                 break;
 225
 226         case ConfigureRequest:
 227                 handleConfigureRequest(event);
 228                 break;
 229
 230         case DestroyNotify:
 231                 handleDestroyNotify(event);
 232                 break;
 233
 234         case MapNotify:
 235                 handleMapNotify(event);
 236                 break;
 237
 238         case UnmapNotify:
 239                 handleUnmapNotify(event);
 240                 break;
 241
 242         case ButtonPress:
 243                 handleButtonPress(event);
 244                 break;
 245
 246         case Expose:
 247                 handleExpose(event);
 248                 break;
 249
 250         case PropertyNotify:
 251                 handlePropertyNotify(event);
 252                 break;
 253
 254         case EnterNotify:
 255                 handleEnterNotify(event);
 256                 break;
 257
 258         case LeaveNotify:
 259                 handleLeaveNotify(event);
 260                 break;
 261
 262         case ClientMessage:
 263                 handleClientMessage(event);
 264                 break;
 265
 266         case ColormapNotify:
 267                 handleColormapNotify(event);
 268                 break;
 269
 270         case MappingNotify:
 271                 if (event->xmapping.request == MappingKeyboard || event->xmapping.request == MappingModifier)
 272                         XRefreshKeyboardMapping(&event->xmapping);
 273                 break;
 274
 275         case FocusIn:
 276                 handleFocusIn(event);
 277                 break;
 278
 279         case VisibilityNotify:
 280                 handleVisibilityNotify(event);
 281                 break;
 282         default:
 283                 handleExtensions(event);
 284                 break;
 285         }
 286 }
 287
 288 #ifdef HAVE_INOTIFY
 289 /*
 290  *----------------------------------------------------------------------
 291  * inotifyHandleEvents-
 292  *      Check for inotify events
 293  *
 294  * Returns:
 295  *      After reading events for the given file descriptor (fd) and
 296  *     watch descriptor (wd)
 297  *
 298  * Side effects:
 299  *      Calls wDefaultsCheckDomains if config database is updated
 300  *----------------------------------------------------------------------
 301  */
 302 /* allow 5 simultaneous events, with path + filenames up to 64 chars */
 303 #define BUFF_SIZE ((sizeof(struct inotify_event) + 64)*5)
 304 void inotifyHandleEvents(int fd, int wd)
 305 {
 306         extern void wDefaultsCheckDomains(void *);
 307         ssize_t eventQLength, i = 0;
 308         char buff[BUFF_SIZE] = { 0 };
 309         /* Check config only once per read of the event queue */
 310         int oneShotFlag = 0;
 311
 312         /*
 313          * Read off the queued events
 314          * queue overflow is not checked (IN_Q_OVERFLOW). In practise this should
 315          * not occur; the block is on Xevents, but a config file change will normally
 316          * occur as a result of an Xevent - so the event queue should never have more than
 317          * a few entries before a read().
 318          */
 319         eventQLength = read(fd, buff, BUFF_SIZE);
 320
 321         /* check what events occured */
 322         /* Should really check wd here too, but for now we only have one watch! */
 323         while (i < eventQLength) {
 324                 struct inotify_event *pevent = (struct inotify_event *)&buff[i];
 325
 326                 /*
 327                  * see inotify.h for event types.
 328                  */
 329                 if (pevent->mask & IN_DELETE_SELF) {
 330                         wwarning(_("the defaults database has been deleted!"
 331                                    " Restart Window Maker to create the database" " with the default settings"));
 332                         close(fd);
 333                 }
 334                 if (pevent->mask & IN_UNMOUNT) {
 335                         wwarning(_("the unit containing the defaults database has"
 336                                    " been unmounted. Setting --static mode." " Any changes will not be saved."));
 337                         close(fd);
 338                         wPreferences.flags.noupdates = 1;
 339                 }
 340                 if ((pevent->mask & IN_MODIFY) && oneShotFlag == 0) {
 341                         fprintf(stdout, "wmaker: reading config files in defaults database.\n");
 342                         wDefaultsCheckDomains(NULL);
 343                 }
 344
 345                 /* move to next event in the buffer */
 346                 i += sizeof(struct inotify_event) + pevent->len;
 347         }
 348 }
 349 #endif /* HAVE_INOTIFY */
 350
 351 /*
 352  *----------------------------------------------------------------------
 353  * EventLoop-
 354  *      Processes X and internal events indefinitely.
 355  *
 356  * Returns:
 357  *      Never returns
 358  *
 359  * Side effects:
 360  *      The LastTimestamp global variable is updated.
 361  *      Calls inotifyGetEvents if defaults database changes.
 362  *----------------------------------------------------------------------
 363  */
 364 void EventLoop(void)
 365 {
 366         XEvent event;
 367 #ifdef HAVE_INOTIFY
 368         extern int inotifyFD;
 369         extern int inotifyWD;
 370         struct timeval time;
 371         fd_set rfds;
 372         int retVal = 0;
 373
 374         if (inotifyFD < 0 || inotifyWD < 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(inotifyFD, &rfds);
 388
 389                         /* check for available read data from inotify - don't block! */
 390                         retVal = select(inotifyFD + 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(inotifyFD);
 397                                 continue;
 398                         }
 399                         if (FD_ISSET(inotifyFD, &rfds))
 400                                 inotifyHandleEvents(inotifyFD, inotifyWD);
 401                 }
 402 #endif
 403         }
 404 }
 405
 406 /*
 407  *----------------------------------------------------------------------
 408  * ProcessPendingEvents --
 409  *      Processes the events that are currently pending (at the time
 410  *      this function is called) in the display's queue.
 411  *
 412  * Returns:
 413  *      After the pending events that were present at the function call
 414  *      are processed.
 415  *
 416  * Side effects:
 417  *      Many -- whatever handling events may involve.
 418  *
 419  *----------------------------------------------------------------------
 420  */
 421 void ProcessPendingEvents(void)
 422 {
 423         XEvent event;
 424         int count;
 425
 426         XSync(dpy, False);
 427
 428         /* Take a snapshot of the event count in the queue */
 429         count = XPending(dpy);
 430
 431         while (count > 0 && XPending(dpy)) {
 432                 WMNextEvent(dpy, &event);
 433                 WMHandleEvent(&event);
 434                 count--;
 435         }
 436 }
 437
 438 Bool IsDoubleClick(WScreen * scr, XEvent * event)
 439 {
 440         if ((scr->last_click_time > 0) &&
 441             (event->xbutton.time - scr->last_click_time <= wPreferences.dblclick_time)
 442             && (event->xbutton.button == scr->last_click_button)
 443             && (event->xbutton.window == scr->last_click_window)) {
 444
 445                 scr->flags.next_click_is_not_double = 1;
 446                 scr->last_click_time = 0;
 447                 scr->last_click_window = event->xbutton.window;
 448
 449                 return True;
 450         }
 451         return False;
 452 }
 453
 454 void NotifyDeadProcess(pid_t pid, unsigned char status)
 455 {
 456         if (deadProcessPtr >= MAX_DEAD_PROCESSES - 1) {
 457                 wwarning("stack overflow: too many dead processes");
 458                 return;
 459         }
 460         /* stack the process to be handled later,
 461          * as this is called from the signal handler */
 462         deadProcesses[deadProcessPtr].pid = pid;
 463         deadProcesses[deadProcessPtr].exit_status = status;
 464         deadProcessPtr++;
 465 }
 466
 467 static void handleDeadProcess(void *foo)
 468 {
 469         DeathHandler *tmp;
 470         int i;
 471
 472         for (i = 0; i < deadProcessPtr; i++) {
 473                 wWindowDeleteSavedStatesForPID(deadProcesses[i].pid);
 474         }
 475
 476         if (!deathHandlers) {
 477                 deadProcessPtr = 0;
 478                 return;
 479         }
 480
 481         /* get the pids on the queue and call handlers */
 482         while (deadProcessPtr > 0) {
 483                 deadProcessPtr--;
 484
 485                 for (i = WMGetArrayItemCount(deathHandlers) - 1; i >= 0; i--) {
 486                         tmp = WMGetFromArray(deathHandlers, i);
 487                         if (!tmp)
 488                                 continue;
 489
 490                         if (tmp->pid == deadProcesses[deadProcessPtr].pid) {
 491                                 (*tmp->callback) (tmp->pid,
 492                                                   deadProcesses[deadProcessPtr].exit_status, tmp->client_data);
 493                                 wDeleteDeathHandler(tmp);
 494                         }
 495                 }
 496         }
 497 }
 498
 499 static void saveTimestamp(XEvent * event)
 500 {
 501         /*
 502          * Never save CurrentTime as LastTimestamp because CurrentTime
 503          * it's not a real timestamp (it's the 0L constant)
 504          */
 505
 506         switch (event->type) {
 507         case ButtonRelease:
 508         case ButtonPress:
 509                 LastTimestamp = event->xbutton.time;
 510                 break;
 511         case KeyPress:
 512         case KeyRelease:
 513                 LastTimestamp = event->xkey.time;
 514                 break;
 515         case MotionNotify:
 516                 LastTimestamp = event->xmotion.time;
 517                 break;
 518         case PropertyNotify:
 519                 LastTimestamp = event->xproperty.time;
 520                 break;
 521         case EnterNotify:
 522         case LeaveNotify:
 523                 LastTimestamp = event->xcrossing.time;
 524                 break;
 525         case SelectionClear:
 526                 LastTimestamp = event->xselectionclear.time;
 527                 break;
 528         case SelectionRequest:
 529                 LastTimestamp = event->xselectionrequest.time;
 530                 break;
 531         case SelectionNotify:
 532                 LastTimestamp = event->xselection.time;
 533 #ifdef XDND
 534                 wXDNDProcessSelection(event);
 535 #endif
 536                 break;
 537         }
 538 }
 539
 540 static int matchWindow(const void *item, const void *cdata)
 541 {
 542         return (((WFakeGroupLeader *) item)->origLeader == (Window) cdata);
 543 }
 544
 545 static void handleExtensions(XEvent * event)
 546 {
 547 #ifdef KEEP_XKB_LOCK_STATUS
 548         XkbEvent *xkbevent;
 549         xkbevent = (XkbEvent *) event;
 550 #endif                          /*KEEP_XKB_LOCK_STATUS */
 551 #ifdef SHAPE
 552         if (wShapeSupported && event->type == (wShapeEventBase + ShapeNotify)) {
 553                 handleShapeNotify(event);
 554         }
 555 #endif
 556 #ifdef KEEP_XKB_LOCK_STATUS
 557         if (wPreferences.modelock && (xkbevent->type == wXkbEventBase)) {
 558                 handleXkbIndicatorStateNotify(event);
 559         }
 560 #endif                          /*KEEP_XKB_LOCK_STATUS */
 561 }
 562
 563 static void handleMapRequest(XEvent * ev)
 564 {
 565         WWindow *wwin;
 566         WScreen *scr = NULL;
 567         Window window = ev->xmaprequest.window;
 568
 569         if ((wwin = wWindowFor(window))) {
 570                 if (wwin->flags.shaded) {
 571                         wUnshadeWindow(wwin);
 572                 }
 573                 /* deiconify window */
 574                 if (wwin->flags.miniaturized) {
 575                         wDeiconifyWindow(wwin);
 576                 } else if (wwin->flags.hidden) {
 577                         WApplication *wapp = wApplicationOf(wwin->main_window);
 578                         /* go to the last workspace that the user worked on the app */
 579                         if (wapp) {
 580                                 wWorkspaceChange(wwin->screen_ptr, wapp->last_workspace);
 581                         }
 582                         wUnhideApplication(wapp, False, False);
 583                 }
 584                 return;
 585         }
 586
 587         scr = wScreenForRootWindow(ev->xmaprequest.parent);
 588
 589         wwin = wManageWindow(scr, window);
 590
 591         /*
 592          * This is to let the Dock know that the application it launched
 593          * has already been mapped (eg: it has finished launching).
 594          * It is not necessary for normally docked apps, but is needed for
 595          * apps that were forcedly docked (like with dockit).
 596          */
 597         if (scr->last_dock) {
 598                 if (wwin && wwin->main_window != None && wwin->main_window != window)
 599                         wDockTrackWindowLaunch(scr->last_dock, wwin->main_window);
 600                 else
 601                         wDockTrackWindowLaunch(scr->last_dock, window);
 602         }
 603
 604         if (wwin) {
 605                 wClientSetState(wwin, NormalState, None);
 606                 if (wwin->flags.maximized) {
 607                         wMaximizeWindow(wwin, wwin->flags.maximized);
 608                 }
 609                 if (wwin->flags.shaded) {
 610                         wwin->flags.shaded = 0;
 611                         wwin->flags.skip_next_animation = 1;
 612                         wShadeWindow(wwin);
 613                 }
 614                 if (wwin->flags.miniaturized) {
 615                         wwin->flags.miniaturized = 0;
 616                         wwin->flags.skip_next_animation = 1;
 617                         wIconifyWindow(wwin);
 618                 }
 619                 if (wwin->flags.fullscreen) {
 620                         wwin->flags.fullscreen = 0;
 621                         wFullscreenWindow(wwin);
 622                 }
 623                 if (wwin->flags.hidden) {
 624                         WApplication *wapp = wApplicationOf(wwin->main_window);
 625
 626                         wwin->flags.hidden = 0;
 627                         wwin->flags.skip_next_animation = 1;
 628                         if (wapp) {
 629                                 wHideApplication(wapp);
 630                         }
 631                 }
 632         }
 633 }
 634
 635 static void handleDestroyNotify(XEvent * event)
 636 {
 637         WWindow *wwin;
 638         WApplication *app;
 639         Window window = event->xdestroywindow.window;
 640         WScreen *scr = wScreenForRootWindow(event->xdestroywindow.event);
 641         int widx;
 642
 643         wwin = wWindowFor(window);
 644         if (wwin) {
 645                 wUnmanageWindow(wwin, False, True);
 646         }
 647
 648         if (scr != NULL) {
 649                 while ((widx = WMFindInArray(scr->fakeGroupLeaders, matchWindow, (void *)window)) != WANotFound) {
 650                         WFakeGroupLeader *fPtr;
 651
 652                         fPtr = WMGetFromArray(scr->fakeGroupLeaders, widx);
 653                         if (fPtr->retainCount > 0) {
 654                                 fPtr->retainCount--;
 655                                 if (fPtr->retainCount == 0 && fPtr->leader != None) {
 656                                         XDestroyWindow(dpy, fPtr->leader);
 657                                         fPtr->leader = None;
 658                                         XFlush(dpy);
 659                                 }
 660                         }
 661                         fPtr->origLeader = None;
 662                 }
 663         }
 664
 665         app = wApplicationOf(window);
 666         if (app) {
 667                 if (window == app->main_window) {
 668                         app->refcount = 0;
 669                         wwin = app->main_window_desc->screen_ptr->focused_window;
 670                         while (wwin) {
 671                                 if (wwin->main_window == window) {
 672                                         wwin->main_window = None;
 673                                 }
 674                                 wwin = wwin->prev;
 675                         }
 676                 }
 677                 wApplicationDestroy(app);
 678         }
 679 }
 680
 681 static void handleExpose(XEvent * event)
 682 {
 683         WObjDescriptor *desc;
 684         XEvent ev;
 685
 686         while (XCheckTypedWindowEvent(dpy, event->xexpose.window, Expose, &ev)) ;
 687
 688         if (XFindContext(dpy, event->xexpose.window, wWinContext, (XPointer *) & desc) == XCNOENT) {
 689                 return;
 690         }
 691
 692         if (desc->handle_expose) {
 693                 (*desc->handle_expose) (desc, event);
 694         }
 695 }
 696
 697 static void executeButtonAction(WScreen * scr, XEvent * event, int action)
 698 {
 699         switch (action) {
 700         case WA_SELECT_WINDOWS:
 701                 wUnselectWindows(scr);
 702                 wSelectWindows(scr, event);
 703                 break;
 704         case WA_OPEN_APPMENU:
 705                 OpenRootMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 706                 /* ugly hack */
 707                 if (scr->root_menu) {
 708                         if (scr->root_menu->brother->flags.mapped)
 709                                 event->xbutton.window = scr->root_menu->brother->frame->core->window;
 710                         else
 711                                 event->xbutton.window = scr->root_menu->frame->core->window;
 712                 }
 713                 break;
 714         case WA_OPEN_WINLISTMENU:
 715                 OpenSwitchMenu(scr, event->xbutton.x_root, event->xbutton.y_root, False);
 716                 if (scr->switch_menu) {
 717                         if (scr->switch_menu->brother->flags.mapped)
 718                                 event->xbutton.window = scr->switch_menu->brother->frame->core->window;
 719                         else
 720                                 event->xbutton.window = scr->switch_menu->frame->core->window;
 721                 }
 722                 break;
 723         default:
 724                 break;
 725         }
 726 }
 727
 728 /* bindable */
 729 static void handleButtonPress(XEvent * event)
 730 {
 731         WObjDescriptor *desc;
 732         WScreen *scr;
 733
 734         scr = wScreenForRootWindow(event->xbutton.root);
 735
 736 #ifdef BALLOON_TEXT
 737         wBalloonHide(scr);
 738 #endif
 739
 740         if (event->xbutton.window == scr->root_win) {
 741                 if (event->xbutton.button == Button1 && wPreferences.mouse_button1 != WA_NONE) {
 742                         executeButtonAction(scr, event, wPreferences.mouse_button1);
 743                 } else if (event->xbutton.button == Button2 && wPreferences.mouse_button2 != WA_NONE) {
 744                         executeButtonAction(scr, event, wPreferences.mouse_button2);
 745                 } else if (event->xbutton.button == Button3 && wPreferences.mouse_button3 != WA_NONE) {
 746                         executeButtonAction(scr, event, wPreferences.mouse_button3);
 747                 } else if (event->xbutton.button == Button4 && wPreferences.mouse_wheel != WA_NONE) {
 748                         wWorkspaceRelativeChange(scr, 1);
 749                 } else if (event->xbutton.button == Button5 && wPreferences.mouse_wheel != WA_NONE) {
 750                         wWorkspaceRelativeChange(scr, -1);
 751                 }
 752         }
 753
 754         desc = NULL;
 755         if (XFindContext(dpy, event->xbutton.subwindow, wWinContext, (XPointer *) & desc) == XCNOENT) {
 756                 if (XFindContext(dpy, event->xbutton.window, wWinContext, (XPointer *) & desc) == XCNOENT) {
 757                         return;
 758                 }
 759         }
 760
 761         if (desc->parent_type == WCLASS_WINDOW) {
 762                 XSync(dpy, 0);
 763
 764                 if (event->xbutton.state & ( MOD_MASK | ControlMask )) {
 765                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 766                 }
 767
 768                 /*      if (wPreferences.focus_mode == WKF_CLICK) { */
 769                 if (wPreferences.ignore_focus_click) {
 770                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 771                 }
 772                 XAllowEvents(dpy, ReplayPointer, CurrentTime);
 773                 /*      } */
 774                 XSync(dpy, 0);
 775         } else if (desc->parent_type == WCLASS_APPICON
 776                    || desc->parent_type == WCLASS_MINIWINDOW || desc->parent_type == WCLASS_DOCK_ICON) {
 777                 if (event->xbutton.state & MOD_MASK) {
 778                         XSync(dpy, 0);
 779                         XAllowEvents(dpy, AsyncPointer, CurrentTime);
 780                         XSync(dpy, 0);
 781                 }
 782         }
 783
 784         if (desc->handle_mousedown != NULL) {
 785                 (*desc->handle_mousedown) (desc, event);
 786         }
 787
 788         /* save double-click information */
 789         if (scr->flags.next_click_is_not_double) {
 790                 scr->flags.next_click_is_not_double = 0;
 791         } else {
 792                 scr->last_click_time = event->xbutton.time;
 793                 scr->last_click_button = event->xbutton.button;
 794                 scr->last_click_window = event->xbutton.window;
 795         }
 796 }
 797
 798 static void handleMapNotify(XEvent * event)
 799 {
 800         WWindow *wwin;
 801
 802         wwin = wWindowFor(event->xmap.event);
 803         if (wwin && wwin->client_win == event->xmap.event) {
 804                 if (wwin->flags.miniaturized) {
 805                         wDeiconifyWindow(wwin);
 806                 } else {
 807                         XGrabServer(dpy);
 808                         wWindowMap(wwin);
 809                         wClientSetState(wwin, NormalState, None);
 810                         XUngrabServer(dpy);
 811                 }
 812         }
 813 }
 814
 815 static void handleUnmapNotify(XEvent * event)
 816 {
 817         WWindow *wwin;
 818         XEvent ev;
 819         Bool withdraw = False;
 820
 821         /* only process windows with StructureNotify selected
 822          * (ignore SubstructureNotify) */
 823         wwin = wWindowFor(event->xunmap.window);
 824         if (!wwin)
 825                 return;
 826
 827         /* whether the event is a Withdrawal request */
 828         if (event->xunmap.event == wwin->screen_ptr->root_win && event->xunmap.send_event)
 829                 withdraw = True;
 830
 831         if (wwin->client_win != event->xunmap.event && !withdraw)
 832                 return;
 833
 834         if (!wwin->flags.mapped && !withdraw
 835             && wwin->frame->workspace == wwin->screen_ptr->current_workspace
 836             && !wwin->flags.miniaturized && !wwin->flags.hidden)
 837                 return;
 838
 839         XGrabServer(dpy);
 840         XUnmapWindow(dpy, wwin->frame->core->window);
 841         wwin->flags.mapped = 0;
 842         XSync(dpy, 0);
 843         /* check if the window was destroyed */
 844         if (XCheckTypedWindowEvent(dpy, wwin->client_win, DestroyNotify, &ev)) {
 845                 DispatchEvent(&ev);
 846         } else {
 847                 Bool reparented = False;
 848
 849                 if (XCheckTypedWindowEvent(dpy, wwin->client_win, ReparentNotify, &ev))
 850                         reparented = True;
 851
 852                 /* withdraw window */
 853                 wwin->flags.mapped = 0;
 854                 if (!reparented)
 855                         wClientSetState(wwin, WithdrawnState, None);
 856
 857                 /* if the window was reparented, do not reparent it back to the
 858                  * root window */
 859                 wUnmanageWindow(wwin, !reparented, False);
 860         }
 861         XUngrabServer(dpy);
 862 }
 863
 864 static void handleConfigureRequest(XEvent * event)
 865 {
 866         WWindow *wwin;
 867
 868         if (!(wwin = wWindowFor(event->xconfigurerequest.window))) {
 869                 /*
 870                  * Configure request for unmapped window
 871                  */
 872                 wClientConfigure(NULL, &(event->xconfigurerequest));
 873         } else {
 874                 wClientConfigure(wwin, &(event->xconfigurerequest));
 875         }
 876 }
 877
 878 static void handlePropertyNotify(XEvent * event)
 879 {
 880         WWindow *wwin;
 881         WApplication *wapp;
 882         Window jr;
 883         int ji;
 884         unsigned int ju;
 885         WScreen *scr;
 886
 887         wwin = wWindowFor(event->xproperty.window);
 888         if (wwin) {
 889                 if (!XGetGeometry(dpy, wwin->client_win, &jr, &ji, &ji, &ju, &ju, &ju, &ju)) {
 890                         return;
 891                 }
 892                 wClientCheckProperty(wwin, &event->xproperty);
 893         }
 894         wapp = wApplicationOf(event->xproperty.window);
 895         if (wapp) {
 896                 wClientCheckProperty(wapp->main_window_desc, &event->xproperty);
 897         }
 898
 899         scr = wScreenForWindow(event->xproperty.window);
 900 }
 901
 902 static void handleClientMessage(XEvent * event)
 903 {
 904         WWindow *wwin;
 905         WObjDescriptor *desc;
 906
 907         /* handle transition from Normal to Iconic state */
 908         if (event->xclient.message_type == _XA_WM_CHANGE_STATE
 909             && event->xclient.format == 32 && event->xclient.data.l[0] == IconicState) {
 910
 911                 wwin = wWindowFor(event->xclient.window);
 912                 if (!wwin)
 913                         return;
 914                 if (!wwin->flags.miniaturized)
 915                         wIconifyWindow(wwin);
 916         } else if (event->xclient.message_type == _XA_WM_COLORMAP_NOTIFY && event->xclient.format == 32) {
 917                 WScreen *scr = wScreenSearchForRootWindow(event->xclient.window);
 918
 919                 if (!scr)
 920                         return;
 921
 922                 if (event->xclient.data.l[1] == 1) {    /* starting */
 923                         wColormapAllowClientInstallation(scr, True);
 924                 } else {        /* stopping */
 925                         wColormapAllowClientInstallation(scr, False);
 926                 }
 927         } else if (event->xclient.message_type == _XA_WINDOWMAKER_COMMAND) {
 928
 929                 char *command;
 930                 size_t len;
 931
 932                 len = sizeof(event->xclient.data.b) + 1;
 933                 command = wmalloc(len);
 934                 memset(command, 0, len);
 935                 strncpy(command, event->xclient.data.b, sizeof(event->xclient.data.b));
 936
 937                 if (strncmp(command, "Reconfigure", sizeof("Reconfigure")) == 0) {
 938                         wwarning(_("Got Reconfigure command"));
 939                         wDefaultsCheckDomains(NULL);
 940                 } else {
 941                         wwarning(_("Got unknown command %s"), command);
 942                 }
 943
 944                 wfree(command);
 945
 946         } else if (event->xclient.message_type == _XA_WINDOWMAKER_WM_FUNCTION) {
 947                 WApplication *wapp;
 948                 int done = 0;
 949                 wapp = wApplicationOf(event->xclient.window);
 950                 if (wapp) {
 951                         switch (event->xclient.data.l[0]) {
 952                         case WMFHideOtherApplications:
 953                                 wHideOtherApplications(wapp->main_window_desc);
 954                                 done = 1;
 955                                 break;
 956
 957                         case WMFHideApplication:
 958                                 wHideApplication(wapp);
 959                                 done = 1;
 960                                 break;
 961                         }
 962                 }
 963                 if (!done) {
 964                         wwin = wWindowFor(event->xclient.window);
 965                         if (wwin) {
 966                                 switch (event->xclient.data.l[0]) {
 967                                 case WMFHideOtherApplications:
 968                                         wHideOtherApplications(wwin);
 969                                         break;
 970
 971                                 case WMFHideApplication:
 972                                         wHideApplication(wApplicationOf(wwin->main_window));
 973                                         break;
 974                                 }
 975                         }
 976                 }
 977         } else if (event->xclient.message_type == _XA_GNUSTEP_WM_ATTR) {
 978                 wwin = wWindowFor(event->xclient.window);
 979                 if (!wwin)
 980                         return;
 981                 switch (event->xclient.data.l[0]) {
 982                 case GSWindowLevelAttr:
 983                         {
 984                                 int level = (int)event->xclient.data.l[1];
 985
 986                                 if (WINDOW_LEVEL(wwin) != level) {
 987                                         ChangeStackingLevel(wwin->frame->core, level);
 988                                 }
 989                         }
 990                         break;
 991                 }
 992         } else if (event->xclient.message_type == _XA_GNUSTEP_TITLEBAR_STATE) {
 993                 wwin = wWindowFor(event->xclient.window);
 994                 if (!wwin)
 995                         return;
 996                 switch (event->xclient.data.l[0]) {
 997                 case WMTitleBarNormal:
 998                         wFrameWindowChangeState(wwin->frame, WS_UNFOCUSED);
 999                         break;
1000                 case WMTitleBarMain:
1001                         wFrameWindowChangeState(wwin->frame, WS_PFOCUSED);
1002                         break;
1003                 case WMTitleBarKey:
1004                         wFrameWindowChangeState(wwin->frame, WS_FOCUSED);
1005                         break;
1006                 }
1007         } else if (event->xclient.message_type == _XA_WM_IGNORE_FOCUS_EVENTS) {
1008                 WScreen *scr = wScreenSearchForRootWindow(event->xclient.window);
1009                 if (!scr)
1010                         return;
1011                 scr->flags.ignore_focus_events = event->xclient.data.l[0] ? 1 : 0;
1012         } else if (wNETWMProcessClientMessage(&event->xclient)) {
1013                 /* do nothing */
1014 #ifdef XDND
1015         } else if (wXDNDProcessClientMessage(&event->xclient)) {
1016                 /* do nothing */
1017 #endif                          /* XDND */
1018         } else {
1019                 /*
1020                  * Non-standard thing, but needed by OffiX DND.
1021                  * For when the icon frame gets a ClientMessage
1022                  * that should have gone to the icon_window.
1023                  */
1024                 if (XFindContext(dpy, event->xbutton.window, wWinContext, (XPointer *) & desc) != XCNOENT) {
1025                         struct WIcon *icon = NULL;
1026
1027                         if (desc->parent_type == WCLASS_MINIWINDOW) {
1028                                 icon = (WIcon *) desc->parent;
1029                         } else if (desc->parent_type == WCLASS_DOCK_ICON || desc->parent_type == WCLASS_APPICON) {
1030                                 icon = ((WAppIcon *) desc->parent)->icon;
1031                         }
1032                         if (icon && (wwin = icon->owner)) {
1033                                 if (wwin->client_win != event->xclient.window) {
1034                                         event->xclient.window = wwin->client_win;
1035                                         XSendEvent(dpy, wwin->client_win, False, NoEventMask, event);
1036                                 }
1037                         }
1038                 }
1039         }
1040 }
1041
1042 static void raiseWindow(WScreen * scr)
1043 {
1044         WWindow *wwin;
1045
1046         scr->autoRaiseTimer = NULL;
1047
1048         wwin = wWindowFor(scr->autoRaiseWindow);
1049         if (!wwin)
1050                 return;
1051
1052         if (!wwin->flags.destroyed && wwin->flags.focused) {
1053                 wRaiseFrame(wwin->frame->core);
1054                 /* this is needed or a race condition will occur */
1055                 XSync(dpy, False);
1056         }
1057 }
1058
1059 static void handleEnterNotify(XEvent * event)
1060 {
1061         WWindow *wwin;
1062         WObjDescriptor *desc = NULL;
1063         XEvent ev;
1064         WScreen *scr = wScreenForRootWindow(event->xcrossing.root);
1065
1066         if (XCheckTypedWindowEvent(dpy, event->xcrossing.window, LeaveNotify, &ev)) {
1067                 /* already left the window... */
1068                 saveTimestamp(&ev);
1069                 if (ev.xcrossing.mode == event->xcrossing.mode && ev.xcrossing.detail == event->xcrossing.detail) {
1070                         return;
1071                 }
1072         }
1073
1074         if (XFindContext(dpy, event->xcrossing.window, wWinContext, (XPointer *) & desc) != XCNOENT) {
1075                 if (desc->handle_enternotify)
1076                         (*desc->handle_enternotify) (desc, event);
1077         }
1078
1079         /* enter to window */
1080         wwin = wWindowFor(event->xcrossing.window);
1081         if (!wwin) {
1082                 if (wPreferences.colormap_mode == WCM_POINTER) {
1083                         wColormapInstallForWindow(scr, NULL);
1084                 }
1085                 if (scr->autoRaiseTimer && event->xcrossing.root == event->xcrossing.window) {
1086                         WMDeleteTimerHandler(scr->autoRaiseTimer);
1087                         scr->autoRaiseTimer = NULL;
1088                 }
1089         } else {
1090                 /* set auto raise timer even if in focus-follows-mouse mode
1091                  * and the event is for the frame window, even if the window
1092                  * has focus already.  useful if you move the pointer from a focused
1093                  * window to the root window and back pretty fast
1094                  *
1095                  * set focus if in focus-follows-mouse mode and the event
1096                  * is for the frame window and window doesn't have focus yet */
1097                 if (wPreferences.focus_mode == WKF_SLOPPY
1098                     && wwin->frame->core->window == event->xcrossing.window && !scr->flags.doing_alt_tab) {
1099
1100                         if (!wwin->flags.focused && !WFLAGP(wwin, no_focusable))
1101                                 wSetFocusTo(scr, wwin);
1102
1103                         if (scr->autoRaiseTimer)
1104                                 WMDeleteTimerHandler(scr->autoRaiseTimer);
1105                         scr->autoRaiseTimer = NULL;
1106
1107                         if (wPreferences.raise_delay && !WFLAGP(wwin, no_focusable)) {
1108                                 scr->autoRaiseWindow = wwin->frame->core->window;
1109                                 scr->autoRaiseTimer
1110                                     = WMAddTimerHandler(wPreferences.raise_delay, (WMCallback *) raiseWindow, scr);
1111                         }
1112                 }
1113                 /* Install colormap for window, if the colormap installation mode
1114                  * is colormap_follows_mouse */
1115                 if (wPreferences.colormap_mode == WCM_POINTER) {
1116                         if (wwin->client_win == event->xcrossing.window)
1117                                 wColormapInstallForWindow(scr, wwin);
1118                         else
1119                                 wColormapInstallForWindow(scr, NULL);
1120                 }
1121         }
1122
1123         /* a little kluge to hide the clip balloon */
1124         if (!wPreferences.flags.noclip && scr->flags.clip_balloon_mapped) {
1125                 if (!desc) {
1126                         XUnmapWindow(dpy, scr->clip_balloon);
1127                         scr->flags.clip_balloon_mapped = 0;
1128                 } else {
1129                         if (desc->parent_type != WCLASS_DOCK_ICON || scr->clip_icon != desc->parent) {
1130                                 XUnmapWindow(dpy, scr->clip_balloon);
1131                                 scr->flags.clip_balloon_mapped = 0;
1132                         }
1133                 }
1134         }
1135
1136         if (event->xcrossing.window == event->xcrossing.root
1137             && event->xcrossing.detail == NotifyNormal
1138             && event->xcrossing.detail != NotifyInferior && wPreferences.focus_mode != WKF_CLICK) {
1139
1140                 wSetFocusTo(scr, scr->focused_window);
1141         }
1142 #ifdef BALLOON_TEXT
1143         wBalloonEnteredObject(scr, desc);
1144 #endif
1145 }
1146
1147 static void handleLeaveNotify(XEvent * event)
1148 {
1149         WObjDescriptor *desc = NULL;
1150
1151         if (XFindContext(dpy, event->xcrossing.window, wWinContext, (XPointer *) & desc) != XCNOENT) {
1152                 if (desc->handle_leavenotify)
1153                         (*desc->handle_leavenotify) (desc, event);
1154         }
1155 }
1156
1157 #ifdef SHAPE
1158 static void handleShapeNotify(XEvent * event)
1159 {
1160         XShapeEvent *shev = (XShapeEvent *) event;
1161         WWindow *wwin;
1162         XEvent ev;
1163
1164         while (XCheckTypedWindowEvent(dpy, shev->window, event->type, &ev)) {
1165                 XShapeEvent *sev = (XShapeEvent *) & ev;
1166
1167                 if (sev->kind == ShapeBounding) {
1168                         if (sev->shaped == shev->shaped) {
1169                                 *shev = *sev;
1170                         } else {
1171                                 XPutBackEvent(dpy, &ev);
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                          /* SHAPE */
1193
1194 #ifdef KEEP_XKB_LOCK_STATUS
1195 /* please help ]d if you know what to do */
1196 handleXkbIndicatorStateNotify(XEvent * event)
1197 {
1198         WWindow *wwin;
1199         WScreen *scr;
1200         XkbStateRec staterec;
1201         int i;
1202
1203         for (i = 0; i < wScreenCount; 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 & ValidModMask;
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_MINIATURIZE:
1388                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)
1389                     && !WFLAGP(wwin, no_miniaturizable)) {
1390                         CloseWindowMenu(scr);
1391
1392                         if (wwin->protocols.MINIATURIZE_WINDOW)
1393                                 wClientSendProtocol(wwin, _XA_GNUSTEP_WM_MINIATURIZE_WINDOW, event->xbutton.time);
1394                         else {
1395                                 wIconifyWindow(wwin);
1396                         }
1397                 }
1398                 break;
1399         case WKBD_HIDE:
1400                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1401                         WApplication *wapp = wApplicationOf(wwin->main_window);
1402                         CloseWindowMenu(scr);
1403
1404                         if (wapp && !WFLAGP(wapp->main_window_desc, no_appicon)) {
1405                                 wHideApplication(wapp);
1406                         }
1407                 }
1408                 break;
1409         case WKBD_HIDE_OTHERS:
1410                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1411                         CloseWindowMenu(scr);
1412
1413                         wHideOtherApplications(wwin);
1414                 }
1415                 break;
1416         case WKBD_MAXIMIZE:
1417                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1418                         CloseWindowMenu(scr);
1419
1420                         if (wwin->flags.maximized == (MAX_VERTICAL | MAX_HORIZONTAL))
1421                                 wUnmaximizeWindow(wwin);
1422                         else
1423                                 wMaximizeWindow(wwin, MAX_VERTICAL | MAX_HORIZONTAL | MAX_KEYBOARD);
1424                 }
1425                 break;
1426         case WKBD_VMAXIMIZE:
1427                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1428                         CloseWindowMenu(scr);
1429
1430                         if (wwin->flags.maximized == MAX_VERTICAL)
1431                                 wUnmaximizeWindow(wwin);
1432                         else
1433                                 wMaximizeWindow(wwin, MAX_VERTICAL | MAX_KEYBOARD);
1434                 }
1435                 break;
1436         case WKBD_HMAXIMIZE:
1437                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1438                         CloseWindowMenu(scr);
1439
1440                         if (wwin->flags.maximized == MAX_HORIZONTAL)
1441                                 wUnmaximizeWindow(wwin);
1442                         else
1443                                 wMaximizeWindow(wwin, MAX_HORIZONTAL | MAX_KEYBOARD);
1444                 }
1445                 break;
1446         case WKBD_LHMAXIMIZE:
1447                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1448                         CloseWindowMenu(scr);
1449
1450                         if (wwin->flags.maximized == (MAX_VERTICAL | MAX_LEFTHALF))
1451                                 wUnmaximizeWindow(wwin);
1452                         else
1453                                 wMaximizeWindow(wwin, MAX_VERTICAL | MAX_LEFTHALF | MAX_KEYBOARD);
1454                 }
1455                 break;
1456         case WKBD_RHMAXIMIZE:
1457                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1458                         CloseWindowMenu(scr);
1459
1460                         if (wwin->flags.maximized == (MAX_VERTICAL | MAX_RIGHTHALF))
1461                                 wUnmaximizeWindow(wwin);
1462                         else
1463                                 wMaximizeWindow(wwin, MAX_VERTICAL | MAX_RIGHTHALF | MAX_KEYBOARD);
1464                 }
1465                 break;
1466         case WKBD_MAXIMUS:
1467                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
1468                         CloseWindowMenu(scr);
1469
1470                         if (wwin->flags.maximized == MAX_MAXIMUS)
1471                                 wUnmaximizeWindow(wwin);
1472                         else
1473                                 wMaximizeWindow(wwin, MAX_MAXIMUS | MAX_KEYBOARD);
1474                 }
1475                 break;
1476         case WKBD_RAISE:
1477                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1478                         CloseWindowMenu(scr);
1479
1480                         wRaiseFrame(wwin->frame->core);
1481                 }
1482                 break;
1483         case WKBD_LOWER:
1484                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1485                         CloseWindowMenu(scr);
1486
1487                         wLowerFrame(wwin->frame->core);
1488                 }
1489                 break;
1490         case WKBD_RAISELOWER:
1491                 /* raise or lower the window under the pointer, not the
1492                  * focused one
1493                  */
1494                 wwin = windowUnderPointer(scr);
1495                 if (wwin)
1496                         wRaiseLowerFrame(wwin->frame->core);
1497                 break;
1498         case WKBD_SHADE:
1499                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_shadeable)) {
1500                         if (wwin->flags.shaded)
1501                                 wUnshadeWindow(wwin);
1502                         else
1503                                 wShadeWindow(wwin);
1504                 }
1505                 break;
1506         case WKBD_MOVERESIZE:
1507                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && (IS_RESIZABLE(wwin) || IS_MOVABLE(wwin))) {
1508                         CloseWindowMenu(scr);
1509
1510                         wKeyboardMoveResizeWindow(wwin);
1511                 }
1512                 break;
1513         case WKBD_CLOSE:
1514                 if (ISMAPPED(wwin) && ISFOCUSED(wwin) && !WFLAGP(wwin, no_closable)) {
1515                         CloseWindowMenu(scr);
1516                         if (wwin->protocols.DELETE_WINDOW)
1517                                 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, event->xkey.time);
1518                 }
1519                 break;
1520         case WKBD_SELECT:
1521                 if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1522                         wSelectWindow(wwin, !wwin->flags.selected);
1523                 }
1524                 break;
1525         case WKBD_FOCUSNEXT:
1526                 StartWindozeCycle(wwin, event, True, False);
1527                 break;
1528
1529         case WKBD_FOCUSPREV:
1530                 StartWindozeCycle(wwin, event, False, False);
1531                 break;
1532
1533         case WKBD_GROUPNEXT:
1534                 StartWindozeCycle(wwin, event, True, True);
1535                 break;
1536
1537         case WKBD_GROUPPREV:
1538                 StartWindozeCycle(wwin, event, False, True);
1539                 break;
1540
1541         case WKBD_WORKSPACE1 ... WKBD_WORKSPACE10:
1542                 widx = command - WKBD_WORKSPACE1;
1543                 i = (scr->current_workspace / 10) * 10 + widx;
1544                 if (wPreferences.ws_advance || i < scr->workspace_count)
1545                         wWorkspaceChange(scr, i);
1546                 break;
1547
1548         case WKBD_NEXTWORKSPACE:
1549                 wWorkspaceRelativeChange(scr, 1);
1550                 break;
1551         case WKBD_PREVWORKSPACE:
1552                 wWorkspaceRelativeChange(scr, -1);
1553                 break;
1554
1555         case WKBD_WINDOW1:
1556         case WKBD_WINDOW2:
1557         case WKBD_WINDOW3:
1558         case WKBD_WINDOW4:
1559         case WKBD_WINDOW5:
1560         case WKBD_WINDOW6:
1561         case WKBD_WINDOW7:
1562         case WKBD_WINDOW8:
1563         case WKBD_WINDOW9:
1564         case WKBD_WINDOW10:
1565
1566                 widx = command - WKBD_WINDOW1;
1567
1568                 if (scr->shortcutWindows[widx]) {
1569                         WMArray *list = scr->shortcutWindows[widx];
1570                         int cw;
1571                         int count = WMGetArrayItemCount(list);
1572                         WWindow *twin;
1573                         WMArrayIterator iter;
1574                         WWindow *wwin;
1575
1576                         wUnselectWindows(scr);
1577                         cw = scr->current_workspace;
1578
1579                         WM_ETARETI_ARRAY(list, wwin, iter) {
1580                                 if (count > 1)
1581                                         wWindowChangeWorkspace(wwin, cw);
1582
1583                                 wMakeWindowVisible(wwin);
1584
1585                                 if (count > 1)
1586                                         wSelectWindow(wwin, True);
1587                         }
1588
1589                         /* rotate the order of windows, to create a cycling effect */
1590                         twin = WMGetFromArray(list, 0);
1591                         WMDeleteFromArray(list, 0);
1592                         WMAddToArray(list, twin);
1593
1594                 } else if (wwin && ISMAPPED(wwin) && ISFOCUSED(wwin)) {
1595                         if (scr->shortcutWindows[widx]) {
1596                                 WMFreeArray(scr->shortcutWindows[widx]);
1597                                 scr->shortcutWindows[widx] = NULL;
1598                         }
1599
1600                         if (wwin->flags.selected && scr->selected_windows) {
1601                                 scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
1602                                 /*WMRemoveFromArray(scr->shortcutWindows[index], wwin);
1603                                    WMInsertInArray(scr->shortcutWindows[index], 0, wwin); */
1604                         } else {
1605                                 scr->shortcutWindows[widx] = WMCreateArray(4);
1606                                 WMAddToArray(scr->shortcutWindows[widx], wwin);
1607                         }
1608
1609                         wSelectWindow(wwin, !wwin->flags.selected);
1610                         XFlush(dpy);
1611                         wusleep(3000);
1612                         wSelectWindow(wwin, !wwin->flags.selected);
1613                         XFlush(dpy);
1614
1615                 } else if (scr->selected_windows && WMGetArrayItemCount(scr->selected_windows)) {
1616
1617                         if (wwin->flags.selected && scr->selected_windows) {
1618                                 if (scr->shortcutWindows[widx]) {
1619                                         WMFreeArray(scr->shortcutWindows[widx]);
1620                                 }
1621                                 scr->shortcutWindows[widx] = WMDuplicateArray(scr->selected_windows);
1622                         }
1623                 }
1624
1625                 break;
1626
1627         case WKBD_SWITCH_SCREEN:
1628                 if (wScreenCount > 1) {
1629                         WScreen *scr2;
1630                         int i;
1631
1632                         /* find index of this screen */
1633                         for (i = 0; i < wScreenCount; i++) {
1634                                 if (wScreenWithNumber(i) == scr)
1635                                         break;
1636                         }
1637                         i++;
1638                         if (i >= wScreenCount) {
1639                                 i = 0;
1640                         }
1641                         scr2 = wScreenWithNumber(i);
1642
1643                         if (scr2) {
1644                                 XWarpPointer(dpy, scr->root_win, scr2->root_win, 0, 0, 0, 0,
1645                                              scr2->scr_width / 2, scr2->scr_height / 2);
1646                         }
1647                 }
1648                 break;
1649
1650         case WKBD_NEXTWSLAYER:
1651         case WKBD_PREVWSLAYER:
1652                 {
1653                         int row, column;
1654
1655                         row = scr->current_workspace / 10;
1656                         column = scr->current_workspace % 10;
1657
1658                         if (command == WKBD_NEXTWSLAYER) {
1659                                 if ((row + 1) * 10 < scr->workspace_count)
1660                                         wWorkspaceChange(scr, column + (row + 1) * 10);
1661                         } else {
1662                                 if (row > 0)
1663                                         wWorkspaceChange(scr, column + (row - 1) * 10);
1664                         }
1665                 }
1666                 break;
1667         case WKBD_CLIPRAISELOWER:
1668                 if (!wPreferences.flags.noclip)
1669                         wDockRaiseLower(scr->workspaces[scr->current_workspace]->clip);
1670                 break;
1671         case WKBD_DOCKRAISELOWER:
1672                 if (!wPreferences.flags.nodock)
1673                         wDockRaiseLower(scr->dock);
1674                 break;
1675 #ifdef KEEP_XKB_LOCK_STATUS
1676         case WKBD_TOGGLE:
1677                 if (wPreferences.modelock) {
1678                         /*toggle */
1679                         wwin = scr->focused_window;
1680
1681                         if (wwin && wwin->flags.mapped
1682                             && wwin->frame->workspace == wwin->screen_ptr->current_workspace
1683                             && !wwin->flags.miniaturized && !wwin->flags.hidden) {
1684                                 XkbGetState(dpy, XkbUseCoreKbd, &staterec);
1685
1686                                 wwin->frame->languagemode = wwin->frame->last_languagemode;
1687                                 wwin->frame->last_languagemode = staterec.group;
1688                                 XkbLockGroup(dpy, XkbUseCoreKbd, wwin->frame->languagemode);
1689
1690                         }
1691                 }
1692                 break;
1693 #endif  /* KEEP_XKB_LOCK_STATUS */
1694         }
1695 }
1696
1697 static void handleMotionNotify(XEvent * event)
1698 {
1699         WScreen *scr = wScreenForRootWindow(event->xmotion.root);
1700
1701         if (wPreferences.scrollable_menus) {
1702                 WMPoint p = wmkpoint(event->xmotion.x_root, event->xmotion.y_root);
1703                 WMRect rect = wGetRectForHead(scr, wGetHeadForPoint(scr, p));
1704
1705                 if (scr->flags.jump_back_pending ||
1706                     p.x <= (rect.pos.x + 1) ||
1707                     p.x >= (rect.pos.x + rect.size.width - 2) ||
1708                     p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
1709                         WMenu *menu;
1710
1711                         menu = wMenuUnderPointer(scr);
1712                         if (menu != NULL)
1713                                 wMenuScroll(menu, event);
1714                 }
1715         }
1716 }
1717
1718 static void handleVisibilityNotify(XEvent * event)
1719 {
1720         WWindow *wwin;
1721
1722         wwin = wWindowFor(event->xvisibility.window);
1723         if (!wwin)
1724                 return;
1725         wwin->flags.obscured = (event->xvisibility.state == VisibilityFullyObscured);
1726 }