Dogcows Code - chaz/openbox/blob - src/xeventhandler.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2
   3 #include "xeventhandler.hh"
   4 #include "otk/display.hh"
   5 #include "otk/rect.hh"
   6
   7 namespace ob {
   8
   9
  10 OBXEventHandler::OBXEventHandler()
  11 {
  12   _lasttime = 1; // 0 is CurrentTime, so set to minimum
  13 }
  14
  15 void OBXEventHandler::buttonPress(const XButtonEvent &e)
  16 {
  17   _lasttime = e.time;
  18
  19 }
  20
  21
  22 void OBXEventHandler::buttonRelease(const XButtonEvent &e)
  23 {
  24   _lasttime = e.time;
  25
  26 }
  27
  28
  29 void OBXEventHandler::keyPress(const XKeyEvent &e)
  30 {
  31   _lasttime = e.time;
  32 }
  33
  34
  35 void OBXEventHandler::motion(const XMotionEvent &e)
  36 {
  37   _lasttime = e.time;
  38
  39   // the pointer is on the wrong screen
  40   if (! e.same_screen) return;
  41
  42 }
  43
  44
  45 void OBXEventHandler::enterNotify(const XCrossingEvent &e)
  46 {
  47   _lasttime = e.time;
  48 /*
  49   BScreen *screen = (BScreen *) 0;
  50   BlackboxWindow *win = (BlackboxWindow *) 0;
  51
  52   if (e->xcrossing.mode == NotifyGrab) break;
  53
  54   if ((e->xcrossing.window == e->xcrossing.root) &&
  55       (screen = searchScreen(e->xcrossing.window))) {
  56     screen->getImageControl()->installRootColormap();
  57   } else if ((win = searchWindow(e->xcrossing.window))) {
  58     if (! no_focus)
  59       win->enterNotifyEvent(&e->xcrossing);
  60   }
  61 */
  62 }
  63
  64
  65 void OBXEventHandler::leaveNotify(const XCrossingEvent &e)
  66 {
  67   _lasttime = e.time;
  68 /*
  69   BlackboxWindow *win = (BlackboxWindow *) 0;
  70
  71   if ((win = searchWindow(e->xcrossing.window)))
  72     win->leaveNotifyEvent(&e->xcrossing);
  73 */
  74 }
  75
  76
  77 void OBXEventHandler::configureRequest(const XConfigureRequestEvent &e)
  78 {
  79   (void)e;
  80 /*  BlackboxWindow *win = (BlackboxWindow *) 0;
  81
  82   if ((win = searchWindow(e->xconfigurerequest.window))) {
  83     win->configureRequestEvent(&e->xconfigurerequest);
  84   } else {
  85     if (validateWindow(e->xconfigurerequest.window)) {
  86       XWindowChanges xwc;
  87
  88       xwc.x = e->xconfigurerequest.x;
  89       xwc.y = e->xconfigurerequest.y;
  90       xwc.width = e->xconfigurerequest.width;
  91       xwc.height = e->xconfigurerequest.height;
  92       xwc.border_width = e->xconfigurerequest.border_width;
  93       xwc.sibling = e->xconfigurerequest.above;
  94       xwc.stack_mode = e->xconfigurerequest.detail;
  95
  96       XConfigureWindow(otk::OBDisplay::display, e->xconfigurerequest.window,
  97                        e->xconfigurerequest.value_mask, &xwc);
  98     }
  99   }
 100 */
 101 }
 102
 103
 104 void OBXEventHandler::mapRequest(const XMapRequestEvent &e)
 105 {
 106 #ifdef    DEBUG
 107   printf("MapRequest for 0x%lx\n", e.window);
 108 #endif // DEBUG
 109 /*
 110   BlackboxWindow *win = searchWindow(e->xmaprequest.window);
 111
 112   if (win) {
 113     bool focus = False;
 114     if (win->isIconic()) {
 115       win->deiconify();
 116       focus = True;
 117     }
 118     if (win->isShaded()) {
 119       win->shade();
 120       focus = True;
 121     }
 122
 123     if (focus && (win->isTransient() || win->getScreen()->doFocusNew()) &&
 124         win->isVisible())
 125       win->setInputFocus();
 126   } else {
 127     BScreen *screen = searchScreen(e->xmaprequest.parent);
 128
 129     if (! screen) {
 130 */
 131       /*
 132         we got a map request for a window who's parent isn't root. this
 133         can happen in only one circumstance:
 134
 135         a client window unmapped a managed window, and then remapped it
 136         somewhere between unmapping the client window and reparenting it
 137         to root.
 138
 139         regardless of how it happens, we need to find the screen that
 140         the window is on
 141       */
 142 /*
 143       XWindowAttributes wattrib;
 144       if (! XGetWindowAttributes(otk::OBDisplay::display,
 145                                  e->xmaprequest.window,
 146                                  &wattrib)) {
 147         // failed to get the window attributes, perhaps the window has
 148         // now been destroyed?
 149         break;
 150       }
 151
 152       screen = searchScreen(wattrib.root);
 153       assert(screen != 0); // this should never happen
 154     }
 155     screen->manageWindow(e->xmaprequest.window);
 156   }
 157 */
 158 }
 159
 160
 161 void OBXEventHandler::unmapNotify(const XUnmapEvent &e)
 162 {
 163   (void)e;
 164 /*
 165   BlackboxWindow *win = (BlackboxWindow *) 0;
 166   BScreen *screen = (BScreen *) 0;
 167
 168   if ((win = searchWindow(e->xunmap.window))) {
 169     win->unmapNotifyEvent(&e->xunmap);
 170   } else if ((screen = searchSystrayWindow(e->xunmap.window))) {
 171     screen->removeSystrayWindow(e->xunmap.window);
 172   }
 173 */
 174 }
 175
 176
 177 void OBXEventHandler::destroyNotify(const XDestroyWindowEvent &e)
 178 {
 179   (void)e;
 180 /*
 181   BlackboxWindow *win = (BlackboxWindow *) 0;
 182   BScreen *screen = (BScreen *) 0;
 183   BWindowGroup *group = (BWindowGroup *) 0;
 184
 185   if ((win = searchWindow(e->xdestroywindow.window))) {
 186     win->destroyNotifyEvent(&e->xdestroywindow);
 187   } else if ((group = searchGroup(e->xdestroywindow.window))) {
 188     delete group;
 189   } else if ((screen = searchSystrayWindow(e->xunmap.window))) {
 190     screen->removeSystrayWindow(e->xunmap.window);
 191   }
 192 */
 193 }
 194
 195
 196 void OBXEventHandler::reparentNotify(const XReparentEvent &e)
 197 {
 198   (void)e;
 199   /*
 200     this event is quite rare and is usually handled in unmapNotify
 201     however, if the window is unmapped when the reparent event occurs
 202     the window manager never sees it because an unmap event is not sent
 203     to an already unmapped window.
 204   */
 205 /*
 206   BlackboxWindow *win = searchWindow(e->xreparent.window);
 207   if (win)
 208     win->reparentNotifyEvent(&e->xreparent);
 209 */
 210 }
 211
 212
 213 void OBXEventHandler::propertyNotify(const XPropertyEvent &e)
 214 {
 215   _lasttime = e.time;
 216 /*
 217   BlackboxWindow *win = (BlackboxWindow *) 0;
 218   BScreen *screen = (BScreen *) 0;
 219
 220   if ((win = searchWindow(e->xproperty.window)))
 221     win->propertyNotifyEvent(&e->xproperty);
 222   else if ((screen = searchScreen(e->xproperty.window)))
 223     screen->propertyNotifyEvent(&e->xproperty);
 224 */
 225 }
 226
 227
 228 void OBXEventHandler::expose(const XExposeEvent &first)
 229 {
 230     // compress expose events
 231     XEvent e; e.xexpose = first;
 232     unsigned int i = 0;
 233     otk::Rect area(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 234                    e.xexpose.height);
 235     while (XCheckTypedWindowEvent(otk::OBDisplay::display,
 236                                   e.xexpose.window, Expose, &e)) {
 237       i++;
 238       // merge expose area
 239       area |= otk::Rect(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 240                         e.xexpose.height);
 241     }
 242     if ( i > 0 ) {
 243       // use the merged area
 244       e.xexpose.x = area.x();
 245       e.xexpose.y = area.y();
 246       e.xexpose.width = area.width();
 247       e.xexpose.height = area.height();
 248     }
 249 /*
 250     BlackboxWindow *win = (BlackboxWindow *) 0;
 251
 252     if ((win = searchWindow(e->xexpose.window)))
 253       win->exposeEvent(&e->xexpose);
 254 */
 255 }
 256
 257
 258 void OBXEventHandler::colormapNotify(const XColormapEvent &e)
 259 {
 260   (void)e;
 261 /*
 262   BScreen *screen = searchScreen(e->xcolormap.window);
 263   if (screen)
 264     screen->setRootColormapInstalled((e->xcolormap.state ==
 265                                       ColormapInstalled) ? True : False);
 266 */
 267 }
 268
 269
 270 void OBXEventHandler::focusIn(const XFocusChangeEvent &e)
 271 {
 272   if (e.detail != NotifyNonlinear &&
 273       e.detail != NotifyAncestor) {
 274     /*
 275       don't process FocusIns when:
 276       1. the new focus window isn't an ancestor or inferior of the old
 277       focus window (NotifyNonlinear)
 278       make sure to allow the FocusIn when the old focus window was an
 279       ancestor but didn't have a parent, such as root (NotifyAncestor)
 280     */
 281     return;
 282   }
 283 /*
 284   BlackboxWindow *win = searchWindow(e.window);
 285   if (win) {
 286     if (! win->isFocused())
 287       win->setFocusFlag(True);
 288 */
 289     /*
 290       set the event window to None.  when the FocusOut event handler calls
 291       this function recursively, it uses this as an indication that focus
 292       has moved to a known window.
 293     */
 294 /*
 295     e->xfocus.window = None;
 296
 297     no_focus = False;   // focusing is back on
 298   }
 299 */
 300 }
 301
 302
 303 void OBXEventHandler::focusOut(const XFocusChangeEvent &e)
 304 {
 305   if (e.detail != NotifyNonlinear) {
 306     /*
 307       don't process FocusOuts when:
 308       2. the new focus window isn't an ancestor or inferior of the old
 309       focus window (NotifyNonlinear)
 310     */
 311     return;
 312   }
 313
 314 /*
 315   BlackboxWindow *win = searchWindow(e->xfocus.window);
 316   if (win && win->isFocused()) {
 317 */
 318     /*
 319       before we mark "win" as unfocused, we need to verify that focus is
 320       going to a known location, is in a known location, or set focus
 321       to a known location.
 322     */
 323 /*
 324     XEvent event;
 325     // don't check the current focus if FocusOut was generated during a grab
 326     bool check_focus = (e->xfocus.mode == NotifyNormal);
 327 */
 328     /*
 329       First, check if there is a pending FocusIn event waiting.  if there
 330       is, process it and determine if focus has moved to another window
 331       (the FocusIn event handler sets the window in the event
 332       structure to None to indicate this).
 333     */
 334 /*
 335     if (XCheckTypedEvent(otk::OBDisplay::display, FocusIn, &event)) {
 336
 337       process_event(&event);
 338       if (event.xfocus.window == None) {
 339         // focus has moved
 340         check_focus = False;
 341       }
 342     }
 343
 344     if (check_focus) {
 345 */
 346       /*
 347         Second, we query the X server for the current input focus.
 348         to make sure that we keep a consistent state.
 349       */
 350 /*
 351       BlackboxWindow *focus;
 352       Window w;
 353       int revert;
 354       XGetInputFocus(otk::OBDisplay::display, &w, &revert);
 355       focus = searchWindow(w);
 356       if (focus) {
 357 */
 358         /*
 359           focus got from "win" to "focus" under some very strange
 360           circumstances, and we need to make sure that the focus indication
 361           is correct.
 362         */
 363 /*
 364         setFocusedWindow(focus);
 365       } else {
 366         // we have no idea where focus went... so we set it to somewhere
 367         setFocusedWindow(0);
 368       }
 369     }
 370   }
 371 */
 372 }
 373
 374
 375 #ifdef    SHAPE
 376 void OBXEventHandler::shapeEvent(const XShapeEvent &e)
 377 {
 378   XShapeEvent *shape_event = (XShapeEvent *) e;
 379   BlackboxWindow *win = searchWindow(e->xany.window);
 380
 381   if (win && shape_event->kind == ShapeBounding)
 382     win->shapeEvent(shape_event);
 383 }
 384 #endif // SHAPE
 385
 386
 387 void OBXEventHandler::clientMessage(const XClientMessageEvent &e)
 388 {
 389   if (e.format != 32)
 390     return;
 391 /*
 392   } else if (e->xclient.message_type ==
 393              xatom->getAtom(XAtom::blackbox_change_workspace) ||
 394              e->xclient.message_type ==
 395              xatom->getAtom(XAtom::net_current_desktop)) {
 396     // NET_CURRENT_DESKTOP message
 397     BScreen *screen = searchScreen(e->xclient.window);
 398
 399     unsigned int workspace = e->xclient.data.l[0];
 400     if (screen && workspace < screen->getWorkspaceCount())
 401       screen->changeWorkspaceID(workspace);
 402   } else if (e->xclient.message_type ==
 403              xatom->getAtom(XAtom::net_active_window)) {
 404     // NET_ACTIVE_WINDOW
 405     BlackboxWindow *win = searchWindow(e->xclient.window);
 406
 407     if (win) {
 408       BScreen *screen = win->getScreen();
 409
 410       if (win->isIconic())
 411         win->deiconify(False, False);
 412       if (! win->isStuck() &&
 413           (win->getWorkspaceNumber() != screen->getCurrentWorkspaceID())) {
 414         no_focus = True;
 415         screen->changeWorkspaceID(win->getWorkspaceNumber());
 416       }
 417       if (win->isVisible() && win->setInputFocus()) {
 418         win->getScreen()->getWorkspace(win->getWorkspaceNumber())->
 419           raiseWindow(win);
 420         win->installColormap(True);
 421       }
 422     }
 423   } else if (e->xclient.message_type ==
 424              xatom->getAtom(XAtom::net_number_of_desktops)) {
 425     // NET_NUMBER_OF_DESKTOPS
 426     BScreen *screen = searchScreen(e->xclient.window);
 427
 428     if (e->xclient.data.l[0] > 0)
 429       screen->changeWorkspaceCount((unsigned) e->xclient.data.l[0]);
 430   } else if (e->xclient.message_type ==
 431              xatom->getAtom(XAtom::net_close_window)) {
 432     // NET_CLOSE_WINDOW
 433     BlackboxWindow *win = searchWindow(e->xclient.window);
 434     if (win && win->validateClient())
 435       win->close(); // could this be smarter?
 436   } else if (e->xclient.message_type ==
 437              xatom->getAtom(XAtom::net_wm_moveresize)) {
 438     // NET_WM_MOVERESIZE
 439     BlackboxWindow *win = searchWindow(e->xclient.window);
 440     if (win && win->validateClient()) {
 441       int x_root = e->xclient.data.l[0],
 442         y_root = e->xclient.data.l[1];
 443       if ((Atom) e->xclient.data.l[2] ==
 444           xatom->getAtom(XAtom::net_wm_moveresize_move)) {
 445         win->beginMove(x_root, y_root);
 446       } else {
 447         if ((Atom) e->xclient.data.l[2] ==
 448             xatom->getAtom(XAtom::net_wm_moveresize_size_topleft))
 449           win->beginResize(x_root, y_root, BlackboxWindow::TopLeft);
 450         else if ((Atom) e->xclient.data.l[2] ==
 451                  xatom->getAtom(XAtom::net_wm_moveresize_size_topright))
 452           win->beginResize(x_root, y_root, BlackboxWindow::TopRight);
 453         else if ((Atom) e->xclient.data.l[2] ==
 454                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomleft))
 455           win->beginResize(x_root, y_root, BlackboxWindow::BottomLeft);
 456         else if ((Atom) e->xclient.data.l[2] ==
 457                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomright))
 458           win->beginResize(x_root, y_root, BlackboxWindow::BottomRight);
 459       }
 460     }
 461   }
 462 */
 463 }
 464
 465
 466 void OBXEventHandler::handle(const XEvent &e)
 467 {
 468   /* mouse button events can get translated into:
 469        press - button was pressed down
 470        release - buttons was released
 471        click - button was pressed and released on the same window
 472        double click - clicked twice on the same widget in a given time and area
 473
 474      key events are only bindable to presses. key releases are ignored.
 475
 476      mouse enter/leave can be bound to for the entire window
 477   */
 478
 479   switch (e.type) {
 480
 481     // These types of XEvent's can be bound to actions by the user, and so end
 482     // up getting passed off to the OBBindingMapper class at some point
 483   case ButtonPress:
 484     buttonPress(e.xbutton);
 485     break;
 486   case ButtonRelease:
 487     buttonRelease(e.xbutton);
 488     break;
 489   case KeyPress:
 490     keyPress(e.xkey);
 491     break;
 492   case MotionNotify:
 493     motion(e.xmotion);
 494     break;
 495   case EnterNotify:
 496     enterNotify(e.xcrossing);
 497     break;
 498   case LeaveNotify:
 499     leaveNotify(e.xcrossing);
 500     break;
 501
 502
 503     // These types of XEvent's can not be bound to actions by the user and so
 504     // will simply be handled in this class
 505   case ConfigureRequest:
 506     configureRequest(e.xconfigurerequest);
 507     break;
 508
 509   case MapRequest:
 510     mapRequest(e.xmaprequest);
 511     break;
 512
 513   case UnmapNotify:
 514     unmapNotify(e.xunmap);
 515     break;
 516
 517   case DestroyNotify:
 518     destroyNotify(e.xdestroywindow);
 519     break;
 520
 521   case ReparentNotify:
 522     reparentNotify(e.xreparent);
 523     break;
 524
 525   case PropertyNotify:
 526     propertyNotify(e.xproperty);
 527     break;
 528
 529   case Expose:
 530     expose(e.xexpose);
 531     break;
 532
 533   case ColormapNotify:
 534     colormapNotify(e.xcolormap);
 535     break;
 536
 537   case FocusIn:
 538     focusIn(e.xfocus);
 539     break;
 540
 541   case FocusOut:
 542     focusOut(e.xfocus);
 543     break;
 544
 545   case ClientMessage:
 546     clientMessage(e.xclient);
 547
 548   default:
 549 #ifdef    SHAPE
 550     if (e.type == otk::OBDisplay::shapeEventBase())
 551       shapeEvent(e);
 552 #endif // SHAPE
 553     break;
 554
 555 /*
 556   case ClientMessage: {
 557     break;
 558   }
 559
 560 */
 561   } // switch
 562 }
 563
 564
 565 }