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

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "xeventhandler.hh"
   8 #include "client.hh"
   9 #include "openbox.hh"
  10 #include "screen.hh"
  11 #include "frame.hh"
  12 #include "otk/display.hh"
  13 #include "otk/rect.hh"
  14
  15 extern "C" {
  16 #include <X11/Xlib.h>
  17 #include <X11/Xutil.h>
  18 }
  19
  20 namespace ob {
  21
  22
  23 OBXEventHandler::OBXEventHandler()
  24 {
  25   _lasttime = 1; // 0 is CurrentTime, so set to minimum
  26 }
  27
  28 void OBXEventHandler::buttonPress(const XButtonEvent &e)
  29 {
  30   _lasttime = e.time;
  31
  32 }
  33
  34
  35 void OBXEventHandler::buttonRelease(const XButtonEvent &e)
  36 {
  37   _lasttime = e.time;
  38
  39 }
  40
  41
  42 void OBXEventHandler::keyPress(const XKeyEvent &e)
  43 {
  44   _lasttime = e.time;
  45 }
  46
  47
  48 void OBXEventHandler::motion(const XMotionEvent &e)
  49 {
  50   _lasttime = e.time;
  51
  52   // the pointer is on the wrong screen
  53   if (! e.same_screen) return;
  54
  55 }
  56
  57
  58 void OBXEventHandler::enterNotify(const XCrossingEvent &e)
  59 {
  60   _lasttime = e.time;
  61
  62   OBClient *client = Openbox::instance->findClient(e.window);
  63   if (!client) return;
  64
  65 /*
  66   BScreen *screen = (BScreen *) 0;
  67   BlackboxWindow *win = (BlackboxWindow *) 0;
  68
  69   if (e->xcrossing.mode == NotifyGrab) break;
  70
  71   if ((e->xcrossing.window == e->xcrossing.root) &&
  72       (screen = searchScreen(e->xcrossing.window))) {
  73     screen->getImageControl()->installRootColormap();
  74   } else if ((win = searchWindow(e->xcrossing.window))) {
  75     if (! no_focus)
  76       win->enterNotifyEvent(&e->xcrossing);
  77   }
  78 */
  79 }
  80
  81
  82 void OBXEventHandler::leaveNotify(const XCrossingEvent &e)
  83 {
  84   _lasttime = e.time;
  85
  86   OBClient *client = Openbox::instance->findClient(e.window);
  87   if (!client) return;
  88
  89 /*
  90   BlackboxWindow *win = (BlackboxWindow *) 0;
  91
  92   if ((win = searchWindow(e->xcrossing.window)))
  93     win->leaveNotifyEvent(&e->xcrossing);
  94 */
  95 }
  96
  97
  98 void OBXEventHandler::configureRequest(const XConfigureRequestEvent &e)
  99 {
 100   OBClient *client = Openbox::instance->findClient(e.window);
 101   if (!client) return;
 102
 103 /*  BlackboxWindow *win = (BlackboxWindow *) 0;
 104
 105   if ((win = searchWindow(e->xconfigurerequest.window))) {
 106     win->configureRequestEvent(&e->xconfigurerequest);
 107   } else {
 108     if (validateWindow(e->xconfigurerequest.window)) {
 109       XWindowChanges xwc;
 110
 111       xwc.x = e->xconfigurerequest.x;
 112       xwc.y = e->xconfigurerequest.y;
 113       xwc.width = e->xconfigurerequest.width;
 114       xwc.height = e->xconfigurerequest.height;
 115       xwc.border_width = e->xconfigurerequest.border_width;
 116       xwc.sibling = e->xconfigurerequest.above;
 117       xwc.stack_mode = e->xconfigurerequest.detail;
 118
 119       XConfigureWindow(otk::OBDisplay::display, e->xconfigurerequest.window,
 120                        e->xconfigurerequest.value_mask, &xwc);
 121     }
 122   }
 123 */
 124 }
 125
 126
 127 void OBXEventHandler::mapRequest(const XMapRequestEvent &e)
 128 {
 129 #ifdef    DEBUG
 130   printf("MapRequest for 0x%lx\n", e.window);
 131 #endif // DEBUG
 132
 133   OBClient *client = Openbox::instance->findClient(e.window);
 134
 135   if (client) {
 136     // XXX: uniconify and/or unshade the window
 137   } else {
 138     int screen = INT_MAX;
 139
 140     for (int i = 0; i < ScreenCount(otk::OBDisplay::display); ++i)
 141       if (otk::OBDisplay::screenInfo(i)->getRootWindow() == e.parent) {
 142         screen = i;
 143         break;
 144       }
 145
 146     if (screen >= ScreenCount(otk::OBDisplay::display)) {
 147       /*
 148         we got a map request for a window who's parent isn't root. this
 149         can happen in only one circumstance:
 150
 151         a client window unmapped a managed window, and then remapped it
 152         somewhere between unmapping the client window and reparenting it
 153         to root.
 154
 155         regardless of how it happens, we need to find the screen that
 156         the window is on
 157       */
 158       XWindowAttributes wattrib;
 159       if (! XGetWindowAttributes(otk::OBDisplay::display, e.window,
 160                                  &wattrib)) {
 161         // failed to get the window attributes, perhaps the window has
 162         // now been destroyed?
 163         return;
 164       }
 165
 166       for (int i = 0; i < ScreenCount(otk::OBDisplay::display); ++i)
 167         if (otk::OBDisplay::screenInfo(i)->getRootWindow() == wattrib.root) {
 168           screen = i;
 169           break;
 170         }
 171     }
 172
 173     assert(screen < ScreenCount(otk::OBDisplay::display));
 174
 175     Openbox::instance->screen(screen)->manageWindow(e.window);
 176   }
 177
 178 /*
 179   BlackboxWindow *win = searchWindow(e->xmaprequest.window);
 180
 181   if (win) {
 182     bool focus = False;
 183     if (win->isIconic()) {
 184       win->deiconify();
 185       focus = True;
 186     }
 187     if (win->isShaded()) {
 188       win->shade();
 189       focus = True;
 190     }
 191
 192     if (focus && (win->isTransient() || win->getScreen()->doFocusNew()) &&
 193         win->isVisible())
 194       win->setInputFocus();
 195   } else {
 196     BScreen *screen = searchScreen(e->xmaprequest.parent);
 197
 198     if (! screen) {
 199 */
 200       /*
 201         we got a map request for a window who's parent isn't root. this
 202         can happen in only one circumstance:
 203
 204         a client window unmapped a managed window, and then remapped it
 205         somewhere between unmapping the client window and reparenting it
 206         to root.
 207
 208         regardless of how it happens, we need to find the screen that
 209         the window is on
 210       */
 211 /*
 212       XWindowAttributes wattrib;
 213       if (! XGetWindowAttributes(otk::OBDisplay::display,
 214                                  e->xmaprequest.window,
 215                                  &wattrib)) {
 216         // failed to get the window attributes, perhaps the window has
 217         // now been destroyed?
 218         break;
 219       }
 220
 221       screen = searchScreen(wattrib.root);
 222       assert(screen != 0); // this should never happen
 223     }
 224     screen->manageWindow(e->xmaprequest.window);
 225   }
 226 */
 227 }
 228
 229
 230 void OBXEventHandler::unmapNotify(const XUnmapEvent &e)
 231 {
 232   OBClient *client = Openbox::instance->findClient(e.window);
 233   if (!client) return;
 234
 235   if (client->ignore_unmaps == 0)
 236     Openbox::instance->screen(client->screen())->unmanageWindow(client);
 237   else
 238     client->ignore_unmaps--;
 239 }
 240
 241
 242 void OBXEventHandler::destroyNotify(const XDestroyWindowEvent &e)
 243 {
 244   // XXX: window group leaders can come through here too!
 245
 246   OBClient *client = Openbox::instance->findClient(e.window);
 247   if (!client) return;
 248
 249   Openbox::instance->screen(client->screen())->unmanageWindow(client);
 250 }
 251
 252
 253 void OBXEventHandler::reparentNotify(const XReparentEvent &e)
 254 {
 255   /*
 256     this event is quite rare and is usually handled in unmapNotify
 257     however, if the window is unmapped when the reparent event occurs
 258     the window manager never sees it because an unmap event is not sent
 259     to an already unmapped window.
 260   */
 261   OBClient *client = Openbox::instance->findClient(e.window);
 262   if (!client) return;
 263
 264 /*
 265   BlackboxWindow *win = searchWindow(e->xreparent.window);
 266   if (win)
 267     win->reparentNotifyEvent(&e->xreparent);
 268 */
 269 }
 270
 271
 272 void OBXEventHandler::propertyNotify(const XPropertyEvent &e)
 273 {
 274   _lasttime = e.time;
 275
 276   OBClient *client = Openbox::instance->findClient(e.window);
 277   if (!client) return;
 278
 279   client->update(e);
 280 }
 281
 282
 283 void OBXEventHandler::expose(const XExposeEvent &first)
 284 {
 285   OBClient *client = Openbox::instance->findClient(first.window);
 286   if (!client) return;
 287
 288   // compress expose events
 289   XEvent e; e.xexpose = first;
 290   unsigned int i = 0;
 291   otk::Rect area(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 292                  e.xexpose.height);
 293   while (XCheckTypedWindowEvent(otk::OBDisplay::display,
 294                                 e.xexpose.window, Expose, &e)) {
 295     i++;
 296     // merge expose area
 297     area |= otk::Rect(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 298                       e.xexpose.height);
 299   }
 300   if ( i > 0 ) {
 301     // use the merged area
 302     e.xexpose.x = area.x();
 303     e.xexpose.y = area.y();
 304     e.xexpose.width = area.width();
 305     e.xexpose.height = area.height();
 306   }
 307
 308   // XXX: make the decorations redraw!
 309 }
 310
 311
 312 void OBXEventHandler::colormapNotify(const XColormapEvent &e)
 313 {
 314   (void)e;
 315 /*
 316   BScreen *screen = searchScreen(e->xcolormap.window);
 317   if (screen)
 318     screen->setRootColormapInstalled((e->xcolormap.state ==
 319                                       ColormapInstalled) ? True : False);
 320 */
 321 }
 322
 323
 324 void OBXEventHandler::focusIn(const XFocusChangeEvent &e)
 325 {
 326   if (e.detail != NotifyNonlinear &&
 327       e.detail != NotifyAncestor) {
 328     /*
 329       don't process FocusIns when:
 330       1. the new focus window isn't an ancestor or inferior of the old
 331       focus window (NotifyNonlinear)
 332       make sure to allow the FocusIn when the old focus window was an
 333       ancestor but didn't have a parent, such as root (NotifyAncestor)
 334     */
 335     return;
 336   }
 337 /*
 338   BlackboxWindow *win = searchWindow(e.window);
 339   if (win) {
 340     if (! win->isFocused())
 341       win->setFocusFlag(True);
 342 */
 343     /*
 344       set the event window to None.  when the FocusOut event handler calls
 345       this function recursively, it uses this as an indication that focus
 346       has moved to a known window.
 347     */
 348 /*
 349     e->xfocus.window = None;
 350
 351     no_focus = False;   // focusing is back on
 352   }
 353 */
 354 }
 355
 356
 357 void OBXEventHandler::focusOut(const XFocusChangeEvent &e)
 358 {
 359   if (e.detail != NotifyNonlinear) {
 360     /*
 361       don't process FocusOuts when:
 362       2. the new focus window isn't an ancestor or inferior of the old
 363       focus window (NotifyNonlinear)
 364     */
 365     return;
 366   }
 367
 368 /*
 369   BlackboxWindow *win = searchWindow(e->xfocus.window);
 370   if (win && win->isFocused()) {
 371 */
 372     /*
 373       before we mark "win" as unfocused, we need to verify that focus is
 374       going to a known location, is in a known location, or set focus
 375       to a known location.
 376     */
 377 /*
 378     XEvent event;
 379     // don't check the current focus if FocusOut was generated during a grab
 380     bool check_focus = (e->xfocus.mode == NotifyNormal);
 381 */
 382     /*
 383       First, check if there is a pending FocusIn event waiting.  if there
 384       is, process it and determine if focus has moved to another window
 385       (the FocusIn event handler sets the window in the event
 386       structure to None to indicate this).
 387     */
 388 /*
 389     if (XCheckTypedEvent(otk::OBDisplay::display, FocusIn, &event)) {
 390
 391       process_event(&event);
 392       if (event.xfocus.window == None) {
 393         // focus has moved
 394         check_focus = False;
 395       }
 396     }
 397
 398     if (check_focus) {
 399 */
 400       /*
 401         Second, we query the X server for the current input focus.
 402         to make sure that we keep a consistent state.
 403       */
 404 /*
 405       BlackboxWindow *focus;
 406       Window w;
 407       int revert;
 408       XGetInputFocus(otk::OBDisplay::display, &w, &revert);
 409       focus = searchWindow(w);
 410       if (focus) {
 411 */
 412         /*
 413           focus got from "win" to "focus" under some very strange
 414           circumstances, and we need to make sure that the focus indication
 415           is correct.
 416         */
 417 /*
 418         setFocusedWindow(focus);
 419       } else {
 420         // we have no idea where focus went... so we set it to somewhere
 421         setFocusedWindow(0);
 422       }
 423     }
 424   }
 425 */
 426 }
 427
 428
 429 #ifdef    SHAPE
 430 void OBXEventHandler::shapeEvent(const XShapeEvent &e)
 431 {
 432   printf("ShapeEvent\n");
 433   if (e.kind != ShapeBounding) return;
 434
 435   OBClient *client = Openbox::instance->findClient(e.window);
 436   if (!client) return;
 437
 438   client->update(e);
 439   client->frame->update();
 440 }
 441 #endif // SHAPE
 442
 443
 444 void OBXEventHandler::clientMessage(const XClientMessageEvent &e)
 445 {
 446   if (e.format != 32)
 447     return;
 448 /*
 449   } else if (e->xclient.message_type ==
 450              xatom->getAtom(XAtom::blackbox_change_workspace) ||
 451              e->xclient.message_type ==
 452              xatom->getAtom(XAtom::net_current_desktop)) {
 453     // NET_CURRENT_DESKTOP message
 454     BScreen *screen = searchScreen(e->xclient.window);
 455
 456     unsigned int workspace = e->xclient.data.l[0];
 457     if (screen && workspace < screen->getWorkspaceCount())
 458       screen->changeWorkspaceID(workspace);
 459   } else if (e->xclient.message_type ==
 460              xatom->getAtom(XAtom::net_active_window)) {
 461     // NET_ACTIVE_WINDOW
 462     BlackboxWindow *win = searchWindow(e->xclient.window);
 463
 464     if (win) {
 465       BScreen *screen = win->getScreen();
 466
 467       if (win->isIconic())
 468         win->deiconify(False, False);
 469       if (! win->isStuck() &&
 470           (win->getWorkspaceNumber() != screen->getCurrentWorkspaceID())) {
 471         no_focus = True;
 472         screen->changeWorkspaceID(win->getWorkspaceNumber());
 473       }
 474       if (win->isVisible() && win->setInputFocus()) {
 475         win->getScreen()->getWorkspace(win->getWorkspaceNumber())->
 476           raiseWindow(win);
 477         win->installColormap(True);
 478       }
 479     }
 480   } else if (e->xclient.message_type ==
 481              xatom->getAtom(XAtom::net_number_of_desktops)) {
 482     // NET_NUMBER_OF_DESKTOPS
 483     BScreen *screen = searchScreen(e->xclient.window);
 484
 485     if (e->xclient.data.l[0] > 0)
 486       screen->changeWorkspaceCount((unsigned) e->xclient.data.l[0]);
 487   } else if (e->xclient.message_type ==
 488              xatom->getAtom(XAtom::net_close_window)) {
 489     // NET_CLOSE_WINDOW
 490     BlackboxWindow *win = searchWindow(e->xclient.window);
 491     if (win && win->validateClient())
 492       win->close(); // could this be smarter?
 493   } else if (e->xclient.message_type ==
 494              xatom->getAtom(XAtom::net_wm_moveresize)) {
 495     // NET_WM_MOVERESIZE
 496     BlackboxWindow *win = searchWindow(e->xclient.window);
 497     if (win && win->validateClient()) {
 498       int x_root = e->xclient.data.l[0],
 499         y_root = e->xclient.data.l[1];
 500       if ((Atom) e->xclient.data.l[2] ==
 501           xatom->getAtom(XAtom::net_wm_moveresize_move)) {
 502         win->beginMove(x_root, y_root);
 503       } else {
 504         if ((Atom) e->xclient.data.l[2] ==
 505             xatom->getAtom(XAtom::net_wm_moveresize_size_topleft))
 506           win->beginResize(x_root, y_root, BlackboxWindow::TopLeft);
 507         else if ((Atom) e->xclient.data.l[2] ==
 508                  xatom->getAtom(XAtom::net_wm_moveresize_size_topright))
 509           win->beginResize(x_root, y_root, BlackboxWindow::TopRight);
 510         else if ((Atom) e->xclient.data.l[2] ==
 511                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomleft))
 512           win->beginResize(x_root, y_root, BlackboxWindow::BottomLeft);
 513         else if ((Atom) e->xclient.data.l[2] ==
 514                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomright))
 515           win->beginResize(x_root, y_root, BlackboxWindow::BottomRight);
 516       }
 517     }
 518   }
 519 */
 520 }
 521
 522
 523 void OBXEventHandler::handle(const XEvent &e)
 524 {
 525   /* mouse button events can get translated into:
 526        press - button was pressed down
 527        release - buttons was released
 528        click - button was pressed and released on the same window
 529        double click - clicked twice on the same widget in a given time and area
 530
 531      key events are only bindable to presses. key releases are ignored.
 532
 533      mouse enter/leave can be bound to for the entire window
 534   */
 535
 536   switch (e.type) {
 537
 538     // These types of XEvent's can be bound to actions by the user, and so end
 539     // up getting passed off to the OBBindingMapper class at some point
 540     // IOW: THESE WILL HAVE GUILE HOOKS
 541   case ButtonPress:
 542     buttonPress(e.xbutton);
 543     break;
 544   case ButtonRelease:
 545     buttonRelease(e.xbutton);
 546     break;
 547   case KeyPress:
 548     keyPress(e.xkey);
 549     break;
 550   case MotionNotify:
 551     motion(e.xmotion);
 552     break;
 553   case EnterNotify:
 554     enterNotify(e.xcrossing);
 555     break;
 556   case LeaveNotify:
 557     leaveNotify(e.xcrossing);
 558     break;
 559
 560
 561     // These types of XEvent's can not be bound to actions by the user and so
 562     // will simply be handled in this class
 563   case ConfigureRequest:
 564     configureRequest(e.xconfigurerequest);
 565     break;
 566
 567   case MapRequest:
 568     mapRequest(e.xmaprequest);
 569     break;
 570
 571   case UnmapNotify:
 572     unmapNotify(e.xunmap);
 573     break;
 574
 575   case DestroyNotify:
 576     destroyNotify(e.xdestroywindow);
 577     break;
 578
 579   case ReparentNotify:
 580     reparentNotify(e.xreparent);
 581     break;
 582
 583   case PropertyNotify:
 584     propertyNotify(e.xproperty);
 585     break;
 586
 587   case Expose:
 588     expose(e.xexpose);
 589     break;
 590
 591   case ColormapNotify:
 592     colormapNotify(e.xcolormap);
 593     break;
 594
 595   case FocusIn:
 596     focusIn(e.xfocus);
 597     break;
 598
 599   case FocusOut:
 600     focusOut(e.xfocus);
 601     break;
 602
 603   case ClientMessage:
 604     clientMessage(e.xclient);
 605
 606   default:
 607 #ifdef    SHAPE
 608     if (e.type == otk::OBDisplay::shapeEventBase())
 609       shapeEvent((*(XShapeEvent*)&e));
 610 #endif // SHAPE
 611     break;
 612
 613 /*
 614   case ClientMessage: {
 615     break;
 616   }
 617
 618 */
 619   } // switch
 620 }
 621
 622
 623 }