src/blackbox.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // blackbox.cc for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifdef    HAVE_CONFIG_H
  25 #  include "../config.h"
  26 #endif // HAVE_CONFIG_H
  27
  28 extern "C" {
  29 #include <X11/Xlib.h>
  30 #include <X11/Xutil.h>
  31 #include <X11/Xatom.h>
  32 #include <X11/cursorfont.h>
  33 #include <X11/keysym.h>
  34
  35 #ifdef    SHAPE
  36 #include <X11/extensions/shape.h>
  37 #endif // SHAPE
  38
  39 #ifdef    HAVE_STDIO_H
  40 #  include <stdio.h>
  41 #endif // HAVE_STDIO_H
  42
  43 #ifdef HAVE_STDLIB_H
  44 #  include <stdlib.h>
  45 #endif // HAVE_STDLIB_H
  46
  47 #ifdef HAVE_STRING_H
  48 #  include <string.h>
  49 #endif // HAVE_STRING_H
  50
  51 #ifdef    HAVE_UNISTD_H
  52 #  include <sys/types.h>
  53 #  include <unistd.h>
  54 #endif // HAVE_UNISTD_H
  55
  56 #ifdef    HAVE_SYS_PARAM_H
  57 #  include <sys/param.h>
  58 #endif // HAVE_SYS_PARAM_H
  59
  60 #ifdef    HAVE_SYS_SELECT_H
  61 #  include <sys/select.h>
  62 #endif // HAVE_SYS_SELECT_H
  63
  64 #ifdef    HAVE_SIGNAL_H
  65 #  include <signal.h>
  66 #endif // HAVE_SIGNAL_H
  67
  68 #ifdef    HAVE_SYS_SIGNAL_H
  69 #  include <sys/signal.h>
  70 #endif // HAVE_SYS_SIGNAL_H
  71
  72 #ifdef    HAVE_SYS_STAT_H
  73 #  include <sys/types.h>
  74 #  include <sys/stat.h>
  75 #endif // HAVE_SYS_STAT_H
  76
  77 #ifdef    TIME_WITH_SYS_TIME
  78 #  include <sys/time.h>
  79 #  include <time.h>
  80 #else // !TIME_WITH_SYS_TIME
  81 #  ifdef    HAVE_SYS_TIME_H
  82 #    include <sys/time.h>
  83 #  else // !HAVE_SYS_TIME_H
  84 #    include <time.h>
  85 #  endif // HAVE_SYS_TIME_H
  86 #endif // TIME_WITH_SYS_TIME
  87
  88 #ifdef    HAVE_LIBGEN_H
  89 #  include <libgen.h>
  90 #endif // HAVE_LIBGEN_H
  91 }
  92
  93 #include <assert.h>
  94
  95 #include <algorithm>
  96 #include <string>
  97 using std::string;
  98
  99 #include "i18n.hh"
 100 #include "blackbox.hh"
 101 #include "Basemenu.hh"
 102 #include "Clientmenu.hh"
 103 #include "GCCache.hh"
 104 #include "Image.hh"
 105 #include "Rootmenu.hh"
 106 #include "Screen.hh"
 107 #include "Slit.hh"
 108 #include "Toolbar.hh"
 109 #include "Util.hh"
 110 #include "Window.hh"
 111 #include "Workspace.hh"
 112 #include "Workspacemenu.hh"
 113 #include "XAtom.hh"
 114
 115 // X event scanner for enter/leave notifies - adapted from twm
 116 struct scanargs {
 117   Window w;
 118   bool leave, inferior, enter;
 119 };
 120
 121 static Bool queueScanner(Display *, XEvent *e, char *args) {
 122   scanargs *scan = (scanargs *) args;
 123   if ((e->type == LeaveNotify) &&
 124       (e->xcrossing.window == scan->w) &&
 125       (e->xcrossing.mode == NotifyNormal)) {
 126     scan->leave = True;
 127     scan->inferior = (e->xcrossing.detail == NotifyInferior);
 128   } else if ((e->type == EnterNotify) && (e->xcrossing.mode == NotifyUngrab)) {
 129     scan->enter = True;
 130   }
 131
 132   return False;
 133 }
 134
 135 Blackbox *blackbox;
 136
 137
 138 Blackbox::Blackbox(char **m_argv, char *dpy_name, char *rc, char *menu)
 139   : BaseDisplay(m_argv[0], dpy_name) {
 140   if (! XSupportsLocale())
 141     fprintf(stderr, "X server does not support locale\n");
 142
 143   if (XSetLocaleModifiers("") == NULL)
 144     fprintf(stderr, "cannot set locale modifiers\n");
 145
 146   ::blackbox = this;
 147   argv = m_argv;
 148
 149   // try to make sure the ~/.openbox directory exists
 150   mkdir(expandTilde("~/.openbox").c_str(), S_IREAD | S_IWRITE | S_IEXEC |
 151                                            S_IRGRP | S_IWGRP | S_IXGRP |
 152                                            S_IROTH | S_IWOTH | S_IXOTH);
 153
 154   if (! rc) rc = "~/.openbox/rc";
 155   rc_file = expandTilde(rc);
 156   config.setFile(rc_file);
 157   if (! menu) menu = "~/.openbox/menu";
 158   menu_file = expandTilde(menu);
 159
 160   no_focus = False;
 161
 162   resource.auto_raise_delay.tv_sec = resource.auto_raise_delay.tv_usec = 0;
 163
 164   active_screen = 0;
 165   focused_window = changing_window = (BlackboxWindow *) 0;
 166
 167   load_rc();
 168
 169   xatom = new XAtom(getXDisplay());
 170
 171   cursor.session = XCreateFontCursor(getXDisplay(), XC_left_ptr);
 172   cursor.move = XCreateFontCursor(getXDisplay(), XC_fleur);
 173   cursor.ll_angle = XCreateFontCursor(getXDisplay(), XC_ll_angle);
 174   cursor.lr_angle = XCreateFontCursor(getXDisplay(), XC_lr_angle);
 175   cursor.ul_angle = XCreateFontCursor(getXDisplay(), XC_ul_angle);
 176   cursor.ur_angle = XCreateFontCursor(getXDisplay(), XC_ur_angle);
 177
 178   for (unsigned int i = 0; i < getNumberOfScreens(); i++) {
 179     BScreen *screen = new BScreen(this, i);
 180
 181     if (! screen->isScreenManaged()) {
 182       delete screen;
 183       continue;
 184     }
 185
 186     screenList.push_back(screen);
 187   }
 188
 189   if (screenList.empty()) {
 190     fprintf(stderr,
 191             i18n(blackboxSet, blackboxNoManagableScreens,
 192               "Blackbox::Blackbox: no managable screens found, aborting.\n"));
 193     ::exit(3);
 194   }
 195
 196   // save current settings and default values
 197   save_rc();
 198
 199   // set the screen with mouse to the first managed screen
 200   active_screen = screenList.front();
 201   setFocusedWindow(0);
 202
 203   XSynchronize(getXDisplay(), False);
 204   XSync(getXDisplay(), False);
 205
 206   reconfigure_wait = reread_menu_wait = False;
 207
 208   timer = new BTimer(this, this);
 209   timer->setTimeout(0l);
 210 }
 211
 212
 213 Blackbox::~Blackbox(void) {
 214   std::for_each(screenList.begin(), screenList.end(), PointerAssassin());
 215
 216   std::for_each(menuTimestamps.begin(), menuTimestamps.end(),
 217                 PointerAssassin());
 218
 219   delete xatom;
 220
 221   delete timer;
 222 }
 223
 224
 225 void Blackbox::process_event(XEvent *e) {
 226   switch (e->type) {
 227   case ButtonPress: {
 228     // strip the lock key modifiers
 229     e->xbutton.state &= ~(NumLockMask | ScrollLockMask | LockMask);
 230
 231     last_time = e->xbutton.time;
 232
 233     BlackboxWindow *win = (BlackboxWindow *) 0;
 234     Basemenu *menu = (Basemenu *) 0;
 235     Slit *slit = (Slit *) 0;
 236     Toolbar *tbar = (Toolbar *) 0;
 237     BScreen *scrn = (BScreen *) 0;
 238
 239     if ((win = searchWindow(e->xbutton.window))) {
 240       win->buttonPressEvent(&e->xbutton);
 241
 242       /* XXX: is this sane on low colour desktops? */
 243       if (e->xbutton.button == 1)
 244         win->installColormap(True);
 245     } else if ((menu = searchMenu(e->xbutton.window))) {
 246       menu->buttonPressEvent(&e->xbutton);
 247     } else if ((slit = searchSlit(e->xbutton.window))) {
 248       slit->buttonPressEvent(&e->xbutton);
 249     } else if ((tbar = searchToolbar(e->xbutton.window))) {
 250       tbar->buttonPressEvent(&e->xbutton);
 251     } else if ((scrn = searchScreen(e->xbutton.window))) {
 252       scrn->buttonPressEvent(&e->xbutton);
 253       if (active_screen != scrn) {
 254         active_screen = scrn;
 255         // first, set no focus window on the old screen
 256         setFocusedWindow(0);
 257         // and move focus to this screen
 258         setFocusedWindow(0);
 259       }
 260     }
 261     break;
 262   }
 263
 264   case ButtonRelease: {
 265     // strip the lock key modifiers
 266     e->xbutton.state &= ~(NumLockMask | ScrollLockMask | LockMask);
 267
 268     last_time = e->xbutton.time;
 269
 270     BlackboxWindow *win = (BlackboxWindow *) 0;
 271     Basemenu *menu = (Basemenu *) 0;
 272     Toolbar *tbar = (Toolbar *) 0;
 273
 274     if ((win = searchWindow(e->xbutton.window)))
 275       win->buttonReleaseEvent(&e->xbutton);
 276     else if ((menu = searchMenu(e->xbutton.window)))
 277       menu->buttonReleaseEvent(&e->xbutton);
 278     else if ((tbar = searchToolbar(e->xbutton.window)))
 279       tbar->buttonReleaseEvent(&e->xbutton);
 280
 281     break;
 282   }
 283
 284   case ConfigureRequest: {
 285     // compress configure requests...
 286     XEvent realevent;
 287     unsigned int i = 0;
 288     while(XCheckTypedWindowEvent(getXDisplay(), e->xconfigurerequest.window,
 289                                  ConfigureRequest, &realevent)) {
 290       i++;
 291     }
 292     if ( i > 0 )
 293       e = &realevent;
 294
 295     BlackboxWindow *win = (BlackboxWindow *) 0;
 296     Slit *slit = (Slit *) 0;
 297
 298     if ((win = searchWindow(e->xconfigurerequest.window))) {
 299       win->configureRequestEvent(&e->xconfigurerequest);
 300     } else if ((slit = searchSlit(e->xconfigurerequest.window))) {
 301       slit->configureRequestEvent(&e->xconfigurerequest);
 302     } else {
 303       if (validateWindow(e->xconfigurerequest.window)) {
 304         XWindowChanges xwc;
 305
 306         xwc.x = e->xconfigurerequest.x;
 307         xwc.y = e->xconfigurerequest.y;
 308         xwc.width = e->xconfigurerequest.width;
 309         xwc.height = e->xconfigurerequest.height;
 310         xwc.border_width = e->xconfigurerequest.border_width;
 311         xwc.sibling = e->xconfigurerequest.above;
 312         xwc.stack_mode = e->xconfigurerequest.detail;
 313
 314         XConfigureWindow(getXDisplay(), e->xconfigurerequest.window,
 315                          e->xconfigurerequest.value_mask, &xwc);
 316       }
 317     }
 318
 319     break;
 320   }
 321
 322   case MapRequest: {
 323 #ifdef    DEBUG
 324     fprintf(stderr, "Blackbox::process_event(): MapRequest for 0x%lx\n",
 325             e->xmaprequest.window);
 326 #endif // DEBUG
 327
 328     BlackboxWindow *win = searchWindow(e->xmaprequest.window);
 329
 330     if (win) {
 331       bool focus = False;
 332       if (win->isIconic()) {
 333         win->deiconify();
 334         focus = True;
 335       }
 336       if (win->isShaded()) {
 337         win->shade();
 338         focus = True;
 339       }
 340
 341       if (focus && (win->isTransient() || win->getScreen()->doFocusNew()))
 342         win->setInputFocus();
 343     } else {
 344       BScreen *screen = searchScreen(e->xmaprequest.parent);
 345
 346       if (! screen) {
 347         /*
 348           we got a map request for a window who's parent isn't root. this
 349           can happen in only one circumstance:
 350
 351             a client window unmapped a managed window, and then remapped it
 352             somewhere between unmapping the client window and reparenting it
 353             to root.
 354
 355           regardless of how it happens, we need to find the screen that
 356           the window is on
 357         */
 358         XWindowAttributes wattrib;
 359         if (! XGetWindowAttributes(getXDisplay(), e->xmaprequest.window,
 360                                    &wattrib)) {
 361           // failed to get the window attributes, perhaps the window has
 362           // now been destroyed?
 363           break;
 364         }
 365
 366         screen = searchScreen(wattrib.root);
 367         assert(screen != 0); // this should never happen
 368       }
 369
 370       screen->manageWindow(e->xmaprequest.window);
 371     }
 372
 373     break;
 374   }
 375
 376   case UnmapNotify: {
 377     BlackboxWindow *win = (BlackboxWindow *) 0;
 378     Slit *slit = (Slit *) 0;
 379     BScreen *screen = (BScreen *) 0;
 380
 381     if ((win = searchWindow(e->xunmap.window))) {
 382       win->unmapNotifyEvent(&e->xunmap);
 383     } else if ((slit = searchSlit(e->xunmap.window))) {
 384       slit->unmapNotifyEvent(&e->xunmap);
 385     } else if ((screen = searchSystrayWindow(e->xunmap.window))) {
 386       screen->removeSystrayWindow(e->xunmap.window);
 387     } else if ((screen = searchDesktopWindow(e->xunmap.window))) {
 388       screen->removeDesktopWindow(e->xunmap.window);
 389     }
 390
 391     break;
 392   }
 393
 394   case DestroyNotify: {
 395     BlackboxWindow *win = (BlackboxWindow *) 0;
 396     Slit *slit = (Slit *) 0;
 397     BScreen *screen = (BScreen *) 0;
 398     BWindowGroup *group = (BWindowGroup *) 0;
 399
 400     if ((win = searchWindow(e->xdestroywindow.window))) {
 401       win->destroyNotifyEvent(&e->xdestroywindow);
 402     } else if ((slit = searchSlit(e->xdestroywindow.window))) {
 403       slit->removeClient(e->xdestroywindow.window, False);
 404     } else if ((group = searchGroup(e->xdestroywindow.window))) {
 405       delete group;
 406     } else if ((screen = searchSystrayWindow(e->xunmap.window))) {
 407       screen->removeSystrayWindow(e->xunmap.window);
 408     } else if ((screen = searchDesktopWindow(e->xunmap.window))) {
 409       screen->removeDesktopWindow(e->xunmap.window);
 410     }
 411
 412     break;
 413   }
 414
 415   case ReparentNotify: {
 416     /*
 417       this event is quite rare and is usually handled in unmapNotify
 418       however, if the window is unmapped when the reparent event occurs
 419       the window manager never sees it because an unmap event is not sent
 420       to an already unmapped window.
 421     */
 422     BlackboxWindow *win = searchWindow(e->xreparent.window);
 423     if (win) {
 424       win->reparentNotifyEvent(&e->xreparent);
 425     } else {
 426       Slit *slit = searchSlit(e->xreparent.window);
 427       if (slit && slit->getWindowID() != e->xreparent.parent)
 428         slit->removeClient(e->xreparent.window, True);
 429     }
 430     break;
 431   }
 432
 433   case MotionNotify: {
 434     // motion notify compression...
 435     XEvent realevent;
 436     unsigned int i = 0;
 437     while (XCheckTypedWindowEvent(getXDisplay(), e->xmotion.window,
 438                                   MotionNotify, &realevent)) {
 439       i++;
 440     }
 441
 442     // if we have compressed some motion events, use the last one
 443     if ( i > 0 )
 444       e = &realevent;
 445
 446     // strip the lock key modifiers
 447     e->xbutton.state &= ~(NumLockMask | ScrollLockMask | LockMask);
 448
 449     last_time = e->xmotion.time;
 450
 451     BlackboxWindow *win = (BlackboxWindow *) 0;
 452     Basemenu *menu = (Basemenu *) 0;
 453
 454     if ((win = searchWindow(e->xmotion.window)))
 455       win->motionNotifyEvent(&e->xmotion);
 456     else if ((menu = searchMenu(e->xmotion.window)))
 457       menu->motionNotifyEvent(&e->xmotion);
 458
 459     break;
 460   }
 461
 462   case PropertyNotify: {
 463     last_time = e->xproperty.time;
 464
 465     BlackboxWindow *win = (BlackboxWindow *) 0;
 466     BScreen *screen = (BScreen *) 0;
 467
 468     if ((win = searchWindow(e->xproperty.window)))
 469       win->propertyNotifyEvent(&e->xproperty);
 470     else if ((screen = searchScreen(e->xproperty.window)))
 471       screen->propertyNotifyEvent(&e->xproperty);
 472     break;
 473   }
 474
 475   case EnterNotify: {
 476     last_time = e->xcrossing.time;
 477
 478     BScreen *screen = (BScreen *) 0;
 479     BlackboxWindow *win = (BlackboxWindow *) 0;
 480     Basemenu *menu = (Basemenu *) 0;
 481     Toolbar *tbar = (Toolbar *) 0;
 482     Slit *slit = (Slit *) 0;
 483
 484     if (e->xcrossing.mode == NotifyGrab) break;
 485
 486     XEvent dummy;
 487     scanargs sa;
 488     sa.w = e->xcrossing.window;
 489     sa.enter = sa.leave = False;
 490     XCheckIfEvent(getXDisplay(), &dummy, queueScanner, (char *) &sa);
 491
 492     if ((e->xcrossing.window == e->xcrossing.root) &&
 493         (screen = searchScreen(e->xcrossing.window))) {
 494       screen->getImageControl()->installRootColormap();
 495     } else if ((win = searchWindow(e->xcrossing.window))) {
 496       if (win->getScreen()->isSloppyFocus() &&
 497           (! win->isFocused()) && (! no_focus)) {
 498         if (((! sa.leave) || sa.inferior) && win->isVisible()) {
 499           if (win->setInputFocus())
 500             win->installColormap(True); // XXX: shouldnt we honour no install?
 501         }
 502       }
 503     } else if ((menu = searchMenu(e->xcrossing.window))) {
 504       menu->enterNotifyEvent(&e->xcrossing);
 505     } else if ((tbar = searchToolbar(e->xcrossing.window))) {
 506       tbar->enterNotifyEvent(&e->xcrossing);
 507     } else if ((slit = searchSlit(e->xcrossing.window))) {
 508       slit->enterNotifyEvent(&e->xcrossing);
 509     }
 510     break;
 511   }
 512
 513   case LeaveNotify: {
 514     last_time = e->xcrossing.time;
 515
 516     BlackboxWindow *win = (BlackboxWindow *) 0;
 517     Basemenu *menu = (Basemenu *) 0;
 518     Toolbar *tbar = (Toolbar *) 0;
 519     Slit *slit = (Slit *) 0;
 520
 521     if ((menu = searchMenu(e->xcrossing.window)))
 522       menu->leaveNotifyEvent(&e->xcrossing);
 523     else if ((win = searchWindow(e->xcrossing.window)))
 524       win->installColormap(False);
 525     else if ((tbar = searchToolbar(e->xcrossing.window)))
 526       tbar->leaveNotifyEvent(&e->xcrossing);
 527     else if ((slit = searchSlit(e->xcrossing.window)))
 528       slit->leaveNotifyEvent(&e->xcrossing);
 529     break;
 530   }
 531
 532   case Expose: {
 533     // compress expose events
 534     XEvent realevent;
 535     unsigned int i = 0;
 536     int ex1, ey1, ex2, ey2;
 537     ex1 = e->xexpose.x;
 538     ey1 = e->xexpose.y;
 539     ex2 = ex1 + e->xexpose.width - 1;
 540     ey2 = ey1 + e->xexpose.height - 1;
 541     while (XCheckTypedWindowEvent(getXDisplay(), e->xexpose.window,
 542                                   Expose, &realevent)) {
 543       i++;
 544
 545       // merge expose area
 546       ex1 = std::min(realevent.xexpose.x, ex1);
 547       ey1 = std::min(realevent.xexpose.y, ey1);
 548       ex2 = std::max(realevent.xexpose.x + realevent.xexpose.width - 1, ex2);
 549       ey2 = std::max(realevent.xexpose.y + realevent.xexpose.height - 1, ey2);
 550     }
 551     if ( i > 0 )
 552       e = &realevent;
 553
 554     // use the merged area
 555     e->xexpose.x = ex1;
 556     e->xexpose.y = ey1;
 557     e->xexpose.width = ex2 - ex1 + 1;
 558     e->xexpose.height = ey2 - ey1 + 1;
 559
 560     BlackboxWindow *win = (BlackboxWindow *) 0;
 561     Basemenu *menu = (Basemenu *) 0;
 562     Toolbar *tbar = (Toolbar *) 0;
 563
 564     if ((win = searchWindow(e->xexpose.window)))
 565       win->exposeEvent(&e->xexpose);
 566     else if ((menu = searchMenu(e->xexpose.window)))
 567       menu->exposeEvent(&e->xexpose);
 568     else if ((tbar = searchToolbar(e->xexpose.window)))
 569       tbar->exposeEvent(&e->xexpose);
 570
 571     break;
 572   }
 573
 574   case KeyPress: {
 575     Toolbar *tbar = searchToolbar(e->xkey.window);
 576
 577     if (tbar && tbar->isEditing())
 578       tbar->keyPressEvent(&e->xkey);
 579
 580     break;
 581   }
 582
 583   case ColormapNotify: {
 584     BScreen *screen = searchScreen(e->xcolormap.window);
 585
 586     if (screen)
 587       screen->setRootColormapInstalled((e->xcolormap.state ==
 588                                         ColormapInstalled) ? True : False);
 589
 590     break;
 591   }
 592
 593   case FocusIn: {
 594     if (e->xfocus.detail != NotifyNonlinear &&
 595         e->xfocus.detail != NotifyAncestor) {
 596       /*
 597         don't process FocusIns when:
 598         1. the new focus window isn't an ancestor or inferior of the old
 599         focus window (NotifyNonlinear)
 600         make sure to allow the FocusIn when the old focus window was an
 601         ancestor but didn't have a parent, such as root (NotifyAncestor)
 602       */
 603       break;
 604     }
 605
 606     BlackboxWindow *win = searchWindow(e->xfocus.window);
 607     if (win) {
 608       if (! win->isFocused())
 609         win->setFocusFlag(True);
 610
 611       /*
 612         set the event window to None.  when the FocusOut event handler calls
 613         this function recursively, it uses this as an indication that focus
 614         has moved to a known window.
 615       */
 616       e->xfocus.window = None;
 617     }
 618
 619     break;
 620   }
 621
 622   case FocusOut: {
 623     if (e->xfocus.detail != NotifyNonlinear) {
 624       /*
 625         don't process FocusOuts when:
 626         2. the new focus window isn't an ancestor or inferior of the old
 627         focus window (NotifyNonlinear)
 628       */
 629       break;
 630     }
 631
 632     BlackboxWindow *win = searchWindow(e->xfocus.window);
 633     if (win && win->isFocused()) {
 634       /*
 635         before we mark "win" as unfocused, we need to verify that focus is
 636         going to a known location, is in a known location, or set focus
 637         to a known location.
 638       */
 639
 640       XEvent event;
 641       // don't check the current focus if FocusOut was generated during a grab
 642       bool check_focus = (e->xfocus.mode == NotifyNormal);
 643
 644       /*
 645         First, check if there is a pending FocusIn event waiting.  if there
 646         is, process it and determine if focus has moved to another window
 647         (the FocusIn event handler sets the window in the event
 648         structure to None to indicate this).
 649       */
 650       if (XCheckTypedEvent(getXDisplay(), FocusIn, &event)) {
 651
 652         process_event(&event);
 653         if (event.xfocus.window == None) {
 654           // focus has moved
 655           check_focus = False;
 656         }
 657       }
 658
 659       if (check_focus) {
 660         /*
 661           Second, we query the X server for the current input focus.
 662           to make sure that we keep a consistent state.
 663         */
 664         BlackboxWindow *focus;
 665         Window w;
 666         int revert;
 667         XGetInputFocus(getXDisplay(), &w, &revert);
 668         focus = searchWindow(w);
 669         if (focus) {
 670           /*
 671             focus got from "win" to "focus" under some very strange
 672             circumstances, and we need to make sure that the focus indication
 673             is correct.
 674           */
 675           setFocusedWindow(focus);
 676         } else {
 677           // we have no idea where focus went... so we set it to somewhere
 678           setFocusedWindow(0);
 679         }
 680       }
 681     }
 682
 683     break;
 684   }
 685
 686   case ClientMessage: {
 687     if (e->xclient.format == 32) {
 688       if (e->xclient.message_type == xatom->getAtom(XAtom::wm_change_state)) {
 689         // WM_CHANGE_STATE message
 690         BlackboxWindow *win = searchWindow(e->xclient.window);
 691         if (! win || ! win->validateClient()) return;
 692
 693         if (e->xclient.data.l[0] == IconicState)
 694           win->iconify();
 695         if (e->xclient.data.l[0] == NormalState)
 696           win->deiconify();
 697       } else if (e->xclient.message_type ==
 698                  xatom->getAtom(XAtom::blackbox_change_workspace) ||
 699                  e->xclient.message_type ==
 700                  xatom->getAtom(XAtom::net_current_desktop)) {
 701         // NET_CURRENT_DESKTOP message
 702         BScreen *screen = searchScreen(e->xclient.window);
 703
 704         unsigned int workspace = e->xclient.data.l[0];
 705         if (screen && workspace < screen->getWorkspaceCount())
 706           screen->changeWorkspaceID(workspace);
 707       } else if (e->xclient.message_type ==
 708                  xatom->getAtom(XAtom::blackbox_change_window_focus)) {
 709         // TEMP HACK TO KEEP BBKEYS WORKING
 710         BlackboxWindow *win = searchWindow(e->xclient.window);
 711
 712         if (win && win->isVisible() && win->setInputFocus())
 713           win->installColormap(True);
 714       } else if (e->xclient.message_type ==
 715                  xatom->getAtom(XAtom::net_active_window)) {
 716         // NET_ACTIVE_WINDOW
 717         BlackboxWindow *win = searchWindow(e->xclient.window);
 718
 719         if (win) {
 720           BScreen *screen = win->getScreen();
 721
 722           if (win->isIconic())
 723             win->deiconify(False, True);
 724           if (win->isShaded())
 725             win->shade();
 726           if (win->getWorkspaceNumber() != screen->getCurrentWorkspaceID())
 727             screen->changeWorkspaceID(win->getWorkspaceNumber());
 728           if (win->isVisible() && win->setInputFocus()) {
 729             win->getScreen()->getWorkspace(win->getWorkspaceNumber())->
 730               raiseWindow(win);
 731             win->installColormap(True);
 732           }
 733         }
 734       } else if (e->xclient.message_type ==
 735                  xatom->getAtom(XAtom::blackbox_cycle_window_focus)) {
 736         // BLACKBOX_CYCLE_WINDOW_FOCUS
 737         BScreen *screen = searchScreen(e->xclient.window);
 738
 739         if (screen) {
 740           if (! e->xclient.data.l[0])
 741             screen->prevFocus();
 742           else
 743             screen->nextFocus();
 744         }
 745       } else if (e->xclient.message_type ==
 746                  xatom->getAtom(XAtom::net_wm_desktop)) {
 747         // NET_WM_DESKTOP
 748         BlackboxWindow *win = searchWindow(e->xclient.window);
 749
 750         if (win) {
 751           BScreen *screen = win->getScreen();
 752           unsigned long wksp = (unsigned) e->xclient.data.l[0];
 753           if (wksp < screen->getWorkspaceCount()) {
 754             if (win->isIconic()) win->deiconify(False, True);
 755             if (win->isStuck()) win->stick();
 756             if (wksp != screen->getCurrentWorkspaceID())
 757               win->withdraw();
 758             else
 759               win->show();
 760             screen->reassociateWindow(win, wksp, True);
 761           } else if (wksp == 0xfffffffe) { // XXX: BUG, BUT DOING THIS SO KDE WORKS FOR NOW!!
 762             if (win->isIconic()) win->deiconify(False, True);
 763             if (! win->isStuck()) win->stick();
 764             if (! win->isVisible()) win->show();
 765           }
 766         }
 767       } else if (e->xclient.message_type ==
 768                  xatom->getAtom(XAtom::blackbox_change_attributes)) {
 769         // BLACKBOX_CHANGE_ATTRIBUTES
 770         BlackboxWindow *win = searchWindow(e->xclient.window);
 771
 772         if (win && win->validateClient()) {
 773           BlackboxHints net;
 774           net.flags = e->xclient.data.l[0];
 775           net.attrib = e->xclient.data.l[1];
 776           net.workspace = e->xclient.data.l[2];
 777           net.stack = e->xclient.data.l[3];
 778           net.decoration = e->xclient.data.l[4];
 779
 780           win->changeBlackboxHints(&net);
 781         }
 782       } else if (e->xclient.message_type ==
 783                 xatom->getAtom(XAtom::net_number_of_desktops)) {
 784         // NET_NUMBER_OF_DESKTOPS
 785         BScreen *screen = searchScreen(e->xclient.window);
 786
 787         if (e->xclient.data.l[0] > 0) {
 788           if ((unsigned) e->xclient.data.l[0] < screen->getWorkspaceCount()) {
 789             // shrink
 790             for (int i = screen->getWorkspaceCount();
 791                  i > e->xclient.data.l[0]; --i)
 792               screen->removeLastWorkspace();
 793             // removeLast already sets the current workspace to the
 794             // last available one.
 795           } else if ((unsigned) e->xclient.data.l[0] >
 796                      screen->getWorkspaceCount()) {
 797             // grow
 798             for(int i = screen->getWorkspaceCount();
 799                 i < e->xclient.data.l[0]; ++i)
 800               screen->addWorkspace();
 801           }
 802         }
 803       } else if (e->xclient.message_type ==
 804                  xatom->getAtom(XAtom::net_close_window)) {
 805         // NET_CLOSE_WINDOW
 806         BlackboxWindow *win = searchWindow(e->xclient.window);
 807         if (win && win->validateClient())
 808           win->close(); // could this be smarter?
 809       } else if (e->xclient.message_type ==
 810                  xatom->getAtom(XAtom::net_wm_moveresize)) {
 811         // NET_WM_MOVERESIZE
 812         BlackboxWindow *win = searchWindow(e->xclient.window);
 813         if (win && win->validateClient()) {
 814           int x_root = e->xclient.data.l[0],
 815               y_root = e->xclient.data.l[1];
 816           if ((Atom) e->xclient.data.l[2] ==
 817               xatom->getAtom(XAtom::net_wm_moveresize_move)) {
 818             win->beginMove(x_root, y_root);
 819           } else {
 820             if ((Atom) e->xclient.data.l[2] ==
 821                 xatom->getAtom(XAtom::net_wm_moveresize_size_topleft))
 822               win->beginResize(x_root, y_root, BlackboxWindow::TopLeft);
 823             else if ((Atom) e->xclient.data.l[2] ==
 824                      xatom->getAtom(XAtom::net_wm_moveresize_size_topright))
 825               win->beginResize(x_root, y_root, BlackboxWindow::TopRight);
 826             else if ((Atom) e->xclient.data.l[2] ==
 827                      xatom->getAtom(XAtom::net_wm_moveresize_size_bottomleft))
 828               win->beginResize(x_root, y_root, BlackboxWindow::BottomLeft);
 829             else if ((Atom) e->xclient.data.l[2] ==
 830                 xatom->getAtom(XAtom::net_wm_moveresize_size_bottomright))
 831               win->beginResize(x_root, y_root, BlackboxWindow::BottomRight);
 832           }
 833         }
 834       } else if (e->xclient.message_type ==
 835                  xatom->getAtom(XAtom::net_wm_state)) {
 836         // NET_WM_STATE
 837         BlackboxWindow *win = searchWindow(e->xclient.window);
 838         if (win && win->validateClient()) {
 839           const Atom action = (Atom) e->xclient.data.l[0];
 840           const Atom state[] = { (Atom) e->xclient.data.l[1],
 841                                  (Atom) e->xclient.data.l[2] };
 842
 843           for (int i = 0; i < 2; ++i) {
 844             if (! state[i])
 845               continue;
 846
 847             if ((Atom) e->xclient.data.l[0] == 1) {
 848               // ADD
 849               if (state[i] == xatom->getAtom(XAtom::net_wm_state_modal)) {
 850                 win->setModal(True);
 851               } else if (state[i] ==
 852                          xatom->getAtom(XAtom::net_wm_state_maximized_vert)) {
 853                 if (win->isMaximizedHoriz()) {
 854                   win->maximize(0); // unmaximize
 855                   win->maximize(1); // full
 856                 } else if (! win->isMaximized()) {
 857                   win->maximize(2); // vert
 858                 }
 859               } else if (state[i] ==
 860                          xatom->getAtom(XAtom::net_wm_state_maximized_horz)) {
 861                 if (win->isMaximizedVert()) {
 862                   win->maximize(0); // unmaximize
 863                   win->maximize(1); // full
 864                 } else if (! win->isMaximized()) {
 865                   win->maximize(3); // horiz
 866                 }
 867               } else if (state[i] ==
 868                          xatom->getAtom(XAtom::net_wm_state_shaded)) {
 869                 if (! win->isShaded())
 870                   win->shade();
 871               } else if (state[i] ==
 872                          xatom->getAtom(XAtom::net_wm_state_skip_taskbar)) {
 873                 win->setSkipTaskbar(True);
 874               } else if (state[i] ==
 875                          xatom->getAtom(XAtom::net_wm_state_skip_pager)) {
 876                 win->setSkipPager(True);
 877               } else if (state[i] ==
 878                          xatom->getAtom(XAtom::net_wm_state_fullscreen)) {
 879                 win->setFullscreen(True);
 880               }
 881             } else if (action == 0) {
 882               // REMOVE
 883               if (state[i] == xatom->getAtom(XAtom::net_wm_state_modal)) {
 884                 win->setModal(False);
 885               } else if (state[i] ==
 886                          xatom->getAtom(XAtom::net_wm_state_maximized_vert)) {
 887                 if (win->isMaximizedFull()) {
 888                   win->maximize(0); // unmaximize
 889                   win->maximize(3); // horiz
 890                 } else if (win->isMaximizedVert()) {
 891                   win->maximize(0); // unmaximize
 892                 }
 893               } else if (state[i] ==
 894                          xatom->getAtom(XAtom::net_wm_state_maximized_horz)) {
 895                 if (win->isMaximizedFull()) {
 896                   win->maximize(0); // unmaximize
 897                   win->maximize(2); // vert
 898                 } else if (win->isMaximizedHoriz()) {
 899                   win->maximize(0); // unmaximize
 900                 }
 901               } else if (state[i] ==
 902                          xatom->getAtom(XAtom::net_wm_state_shaded)) {
 903                 if (win->isShaded())
 904                   win->shade();
 905               } else if (state[i] ==
 906                          xatom->getAtom(XAtom::net_wm_state_skip_taskbar)) {
 907                 win->setSkipTaskbar(False);
 908               } else if (state[i] ==
 909                          xatom->getAtom(XAtom::net_wm_state_skip_pager)) {
 910                 win->setSkipPager(False);
 911               } else if (state[i] ==
 912                          xatom->getAtom(XAtom::net_wm_state_fullscreen)) {
 913                 win->setFullscreen(False);
 914               }
 915             } else if (action == 2) {
 916               // TOGGLE
 917               if (state[i] == xatom->getAtom(XAtom::net_wm_state_modal)) {
 918                 win->setModal(! win->isModal());
 919               } else if (state[i] ==
 920                          xatom->getAtom(XAtom::net_wm_state_maximized_vert)) {
 921                 if (win->isMaximizedFull()) {
 922                   win->maximize(0); // unmaximize
 923                   win->maximize(3); // horiz
 924                 } else if (win->isMaximizedVert()) {
 925                   win->maximize(0); // unmaximize
 926                 } else if (win->isMaximizedHoriz()) {
 927                   win->maximize(0); // unmaximize
 928                   win->maximize(1); // full
 929                 } else {
 930                   win->maximize(2); // vert
 931                 }
 932               } else if (state[i] ==
 933                          xatom->getAtom(XAtom::net_wm_state_maximized_horz)) {
 934                 if (win->isMaximizedFull()) {
 935                   win->maximize(0); // unmaximize
 936                   win->maximize(2); // vert
 937                 } else if (win->isMaximizedHoriz()) {
 938                   win->maximize(0); // unmaximize
 939                 } else if (win->isMaximizedVert()) {
 940                   win->maximize(0); // unmaximize
 941                   win->maximize(1); // full
 942                 } else {
 943                   win->maximize(3); // horiz
 944                 }
 945               } else if (state[i] ==
 946                          xatom->getAtom(XAtom::net_wm_state_shaded)) {
 947                 win->shade();
 948               } else if (state[i] ==
 949                          xatom->getAtom(XAtom::net_wm_state_skip_taskbar)) {
 950                 win->setSkipTaskbar(! win->skipTaskbar());
 951               } else if (state[i] ==
 952                          xatom->getAtom(XAtom::net_wm_state_skip_pager)) {
 953                 win->setSkipPager(! win->skipPager());
 954               } else if (state[i] ==
 955                          xatom->getAtom(XAtom::net_wm_state_fullscreen)) {
 956                 win->setFullscreen(! win->isFullscreen());
 957               }
 958             }
 959           }
 960         }
 961       }
 962     }
 963
 964     break;
 965   }
 966
 967   case NoExpose:
 968   case ConfigureNotify:
 969   case MapNotify:
 970     break; // not handled, just ignore
 971
 972   default: {
 973 #ifdef    SHAPE
 974     if (e->type == getShapeEventBase()) {
 975       XShapeEvent *shape_event = (XShapeEvent *) e;
 976       BlackboxWindow *win = searchWindow(e->xany.window);
 977
 978       if (win)
 979         win->shapeEvent(shape_event);
 980     }
 981 #endif // SHAPE
 982   }
 983   } // switch
 984 }
 985
 986
 987 bool Blackbox::handleSignal(int sig) {
 988   switch (sig) {
 989   case SIGHUP:
 990     restart();
 991     break;
 992
 993   case SIGUSR1:
 994     reconfigure();
 995     break;
 996
 997   case SIGUSR2:
 998     rereadMenu();
 999     break;
1000
1001   case SIGPIPE:
1002   case SIGSEGV:
1003   case SIGFPE:
1004   case SIGINT:
1005   case SIGTERM:
1006     shutdown();
1007
1008   default:
1009     return False;
1010   }
1011
1012   return True;
1013 }
1014
1015
1016 bool Blackbox::validateWindow(Window window) {
1017   XEvent event;
1018   if (XCheckTypedWindowEvent(getXDisplay(), window, DestroyNotify, &event)) {
1019     XPutBackEvent(getXDisplay(), &event);
1020
1021     return False;
1022   }
1023
1024   return True;
1025 }
1026
1027
1028 BScreen *Blackbox::searchScreen(Window window) {
1029   ScreenList::iterator it = screenList.begin();
1030
1031   for (; it != screenList.end(); ++it) {
1032     BScreen *s = *it;
1033     if (s->getRootWindow() == window)
1034       return s;
1035   }
1036
1037   return (BScreen *) 0;
1038 }
1039
1040
1041 BScreen *Blackbox::searchDesktopWindow(Window window) {
1042   WindowScreenLookup::iterator it = desktopSearchList.find(window);
1043   if (it != desktopSearchList.end())
1044     return it->second;
1045
1046   return (BScreen*) 0;
1047 }
1048
1049
1050 BScreen *Blackbox::searchSystrayWindow(Window window) {
1051   WindowScreenLookup::iterator it = systraySearchList.find(window);
1052   if (it != systraySearchList.end())
1053     return it->second;
1054
1055   return (BScreen*) 0;
1056 }
1057
1058
1059 BlackboxWindow *Blackbox::searchWindow(Window window) {
1060   WindowLookup::iterator it = windowSearchList.find(window);
1061   if (it != windowSearchList.end())
1062     return it->second;
1063
1064   return (BlackboxWindow*) 0;
1065 }
1066
1067
1068 BWindowGroup *Blackbox::searchGroup(Window window) {
1069   GroupLookup::iterator it = groupSearchList.find(window);
1070   if (it != groupSearchList.end())
1071     return it->second;
1072
1073   return (BWindowGroup *) 0;
1074 }
1075
1076
1077 Basemenu *Blackbox::searchMenu(Window window) {
1078   MenuLookup::iterator it = menuSearchList.find(window);
1079   if (it != menuSearchList.end())
1080     return it->second;
1081
1082   return (Basemenu*) 0;
1083 }
1084
1085
1086 Toolbar *Blackbox::searchToolbar(Window window) {
1087   ToolbarLookup::iterator it = toolbarSearchList.find(window);
1088   if (it != toolbarSearchList.end())
1089     return it->second;
1090
1091   return (Toolbar*) 0;
1092 }
1093
1094
1095 Slit *Blackbox::searchSlit(Window window) {
1096   SlitLookup::iterator it = slitSearchList.find(window);
1097   if (it != slitSearchList.end())
1098     return it->second;
1099
1100   return (Slit*) 0;
1101 }
1102
1103
1104 void Blackbox::saveDesktopWindowSearch(Window window, BScreen *screen) {
1105   desktopSearchList.insert(WindowScreenLookupPair(window, screen));
1106 }
1107
1108
1109 void Blackbox::saveSystrayWindowSearch(Window window, BScreen *screen) {
1110   systraySearchList.insert(WindowScreenLookupPair(window, screen));
1111 }
1112
1113
1114 void Blackbox::saveWindowSearch(Window window, BlackboxWindow *data) {
1115   windowSearchList.insert(WindowLookupPair(window, data));
1116 }
1117
1118
1119 void Blackbox::saveGroupSearch(Window window, BWindowGroup *data) {
1120   groupSearchList.insert(GroupLookupPair(window, data));
1121 }
1122
1123
1124 void Blackbox::saveMenuSearch(Window window, Basemenu *data) {
1125   menuSearchList.insert(MenuLookupPair(window, data));
1126 }
1127
1128
1129 void Blackbox::saveToolbarSearch(Window window, Toolbar *data) {
1130   toolbarSearchList.insert(ToolbarLookupPair(window, data));
1131 }
1132
1133
1134 void Blackbox::saveSlitSearch(Window window, Slit *data) {
1135   slitSearchList.insert(SlitLookupPair(window, data));
1136 }
1137
1138
1139 void Blackbox::removeDesktopWindowSearch(Window window) {
1140   desktopSearchList.erase(window);
1141 }
1142
1143
1144 void Blackbox::removeSystrayWindowSearch(Window window) {
1145   systraySearchList.erase(window);
1146 }
1147
1148
1149 void Blackbox::removeWindowSearch(Window window) {
1150   windowSearchList.erase(window);
1151 }
1152
1153
1154 void Blackbox::removeGroupSearch(Window window) {
1155   groupSearchList.erase(window);
1156 }
1157
1158
1159 void Blackbox::removeMenuSearch(Window window) {
1160   menuSearchList.erase(window);
1161 }
1162
1163
1164 void Blackbox::removeToolbarSearch(Window window) {
1165   toolbarSearchList.erase(window);
1166 }
1167
1168
1169 void Blackbox::removeSlitSearch(Window window) {
1170   slitSearchList.erase(window);
1171 }
1172
1173
1174 void Blackbox::restart(const char *prog) {
1175   shutdown();
1176
1177   if (prog) {
1178     putenv(const_cast<char *>(screenList.front()->displayString().c_str()));
1179     execlp(prog, prog, NULL);
1180     perror(prog);
1181   }
1182
1183   // fall back in case the above execlp doesn't work
1184   execvp(argv[0], argv);
1185   string name = basename(argv[0]);
1186   execvp(name.c_str(), argv);
1187 }
1188
1189
1190 void Blackbox::shutdown(void) {
1191   BaseDisplay::shutdown();
1192
1193   XSetInputFocus(getXDisplay(), PointerRoot, None, CurrentTime);
1194
1195   std::for_each(screenList.begin(), screenList.end(),
1196                 std::mem_fun(&BScreen::shutdown));
1197
1198   XSync(getXDisplay(), False);
1199 }
1200
1201
1202 /*
1203  * Save all values as they are so that the defaults will be written to the rc
1204  * file
1205  */
1206 void Blackbox::save_rc(void) {
1207   config.setAutoSave(false);
1208
1209   config.setValue("session.colorsPerChannel", resource.colors_per_channel);
1210   config.setValue("session.doubleClickInterval",
1211                   resource.double_click_interval);
1212   config.setValue("session.autoRaiseDelay",
1213                   ((resource.auto_raise_delay.tv_sec * 1000) +
1214                    (resource.auto_raise_delay.tv_usec / 1000)));
1215   config.setValue("session.cacheLife", resource.cache_life / 60000);
1216   config.setValue("session.cacheMax", resource.cache_max);
1217   config.setValue("session.styleFile", resource.style_file);
1218   config.setValue("session.titlebarLayout", resource.titlebar_layout);
1219
1220   std::for_each(screenList.begin(), screenList.end(),
1221                 std::mem_fun(&BScreen::save_rc));
1222
1223   config.setAutoSave(true);
1224   config.save();
1225 }
1226
1227
1228 void Blackbox::load_rc(void) {
1229   if (! config.load())
1230     config.create();
1231
1232   string s;
1233
1234   if (! config.getValue("session.colorsPerChannel",
1235                         resource.colors_per_channel))
1236     resource.colors_per_channel = 4;
1237   if (resource.colors_per_channel < 2) resource.colors_per_channel = 2;
1238   else if (resource.colors_per_channel > 6) resource.colors_per_channel = 6;
1239
1240   if (config.getValue("session.styleFile", s))
1241     resource.style_file = expandTilde(s);
1242   else
1243     resource.style_file = DEFAULTSTYLE;
1244
1245   if (! config.getValue("session.doubleClickInterval",
1246                        resource.double_click_interval));
1247     resource.double_click_interval = 250;
1248
1249   if (! config.getValue("session.autoRaiseDelay",
1250                        resource.auto_raise_delay.tv_usec))
1251     resource.auto_raise_delay.tv_usec = 400;
1252   resource.auto_raise_delay.tv_sec = resource.auto_raise_delay.tv_usec / 1000;
1253   resource.auto_raise_delay.tv_usec -=
1254     (resource.auto_raise_delay.tv_sec * 1000);
1255   resource.auto_raise_delay.tv_usec *= 1000;
1256
1257   if (! config.getValue("session.cacheLife", resource.cache_life))
1258     resource.cache_life = 5;
1259   resource.cache_life *= 60000;
1260
1261   if (! config.getValue("session.cacheMax", resource.cache_max))
1262     resource.cache_max = 200;
1263
1264   if (! config.getValue("session.titlebarLayout", resource.titlebar_layout))
1265     resource.titlebar_layout = "ILMC";
1266 }
1267
1268
1269 void Blackbox::reconfigure(void) {
1270   reconfigure_wait = True;
1271
1272   if (! timer->isTiming()) timer->start();
1273 }
1274
1275
1276 void Blackbox::real_reconfigure(void) {
1277   load_rc();
1278
1279   std::for_each(menuTimestamps.begin(), menuTimestamps.end(),
1280                 PointerAssassin());
1281   menuTimestamps.clear();
1282
1283   gcCache()->purge();
1284
1285   std::for_each(screenList.begin(), screenList.end(),
1286                 std::mem_fun(&BScreen::reconfigure));
1287 }
1288
1289
1290 void Blackbox::checkMenu(void) {
1291   bool reread = False;
1292   MenuTimestampList::iterator it = menuTimestamps.begin();
1293   for(; it != menuTimestamps.end(); ++it) {
1294     MenuTimestamp *tmp = *it;
1295     struct stat buf;
1296
1297     if (! stat(tmp->filename.c_str(), &buf)) {
1298       if (tmp->timestamp != buf.st_ctime)
1299         reread = True;
1300     } else {
1301       reread = True;
1302     }
1303   }
1304
1305   if (reread) rereadMenu();
1306 }
1307
1308
1309 void Blackbox::rereadMenu(void) {
1310   reread_menu_wait = True;
1311
1312   if (! timer->isTiming()) timer->start();
1313 }
1314
1315
1316 void Blackbox::real_rereadMenu(void) {
1317   std::for_each(menuTimestamps.begin(), menuTimestamps.end(),
1318                 PointerAssassin());
1319   menuTimestamps.clear();
1320
1321   std::for_each(screenList.begin(), screenList.end(),
1322                 std::mem_fun(&BScreen::rereadMenu));
1323 }
1324
1325
1326 void Blackbox::saveStyleFilename(const string& filename) {
1327   assert(! filename.empty());
1328   resource.style_file = filename;
1329   config.setValue("session.styleFile", resource.style_file);
1330 }
1331
1332
1333 void Blackbox::addMenuTimestamp(const string& filename) {
1334   assert(! filename.empty());
1335   bool found = False;
1336
1337   MenuTimestampList::iterator it = menuTimestamps.begin();
1338   for (; it != menuTimestamps.end() && ! found; ++it) {
1339     if ((*it)->filename == filename) found = True;
1340   }
1341   if (! found) {
1342     struct stat buf;
1343
1344     if (! stat(filename.c_str(), &buf)) {
1345       MenuTimestamp *ts = new MenuTimestamp;
1346
1347       ts->filename = filename;
1348       ts->timestamp = buf.st_ctime;
1349
1350       menuTimestamps.push_back(ts);
1351     }
1352   }
1353 }
1354
1355
1356 void Blackbox::timeout(void) {
1357   if (reconfigure_wait)
1358     real_reconfigure();
1359
1360   if (reread_menu_wait)
1361     real_rereadMenu();
1362
1363   reconfigure_wait = reread_menu_wait = False;
1364 }
1365
1366
1367 void Blackbox::setChangingWindow(BlackboxWindow *win) {
1368   // make sure one of the two is null and the other isn't
1369   assert((! changing_window && win) || (! win && changing_window));
1370   changing_window = win;
1371 }
1372
1373
1374 void Blackbox::setFocusedWindow(BlackboxWindow *win) {
1375   if (focused_window && focused_window == win) // nothing to do
1376     return;
1377
1378   BScreen *old_screen = 0;
1379
1380   if (focused_window) {
1381     focused_window->setFocusFlag(False);
1382     old_screen = focused_window->getScreen();
1383   }
1384
1385   if (win && ! win->isIconic()) {
1386     // the active screen is the one with the last focused window...
1387     // this will keep focus on this screen no matter where the mouse goes,
1388     // so multihead keybindings will continue to work on that screen until the
1389     // user focuses a window on a different screen.
1390     active_screen = win->getScreen();
1391     focused_window = win;
1392   } else {
1393     focused_window = 0;
1394     if (! old_screen) {
1395       if (active_screen) {
1396         // set input focus to the toolbar of the screen with mouse
1397         XSetInputFocus(getXDisplay(),
1398                        active_screen->getRootWindow(),
1399                        RevertToPointerRoot, CurrentTime);
1400       } else {
1401         // set input focus to the toolbar of the first managed screen
1402         XSetInputFocus(getXDisplay(),
1403                        screenList.front()->getRootWindow(),
1404                        RevertToPointerRoot, CurrentTime);
1405       }
1406     } else {
1407       // set input focus to the toolbar of the last screen
1408       XSetInputFocus(getXDisplay(), old_screen->getRootWindow(),
1409                      RevertToPointerRoot, CurrentTime);
1410     }
1411   }
1412
1413   if (active_screen && active_screen->isScreenManaged()) {
1414     active_screen->getToolbar()->redrawWindowLabel(True);
1415     active_screen->updateNetizenWindowFocus();
1416   }
1417
1418   if (old_screen && old_screen != active_screen) {
1419     old_screen->getToolbar()->redrawWindowLabel(True);
1420     old_screen->updateNetizenWindowFocus();
1421   }
1422 }