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 "frame.hh"
  10 #include "openbox.hh"
  11 #include "otk/display.hh"
  12 #include "otk/rect.hh"
  13
  14 // XXX: REMOVE THIS SOON!!#!
  15 #include "blackbox.hh"
  16 #include "screen.hh"
  17
  18 extern "C" {
  19 #include <X11/Xlib.h>
  20 #include <X11/Xutil.h>
  21 }
  22
  23 namespace ob {
  24
  25
  26 OBXEventHandler::OBXEventHandler()
  27 {
  28   _lasttime = 1; // 0 is CurrentTime, so set to minimum
  29 }
  30
  31 void OBXEventHandler::buttonPress(const XButtonEvent &e)
  32 {
  33   _lasttime = e.time;
  34
  35 }
  36
  37
  38 void OBXEventHandler::buttonRelease(const XButtonEvent &e)
  39 {
  40   _lasttime = e.time;
  41
  42 }
  43
  44
  45 void OBXEventHandler::keyPress(const XKeyEvent &e)
  46 {
  47   _lasttime = e.time;
  48 }
  49
  50
  51 void OBXEventHandler::motion(const XMotionEvent &e)
  52 {
  53   _lasttime = e.time;
  54
  55   // the pointer is on the wrong screen
  56   if (! e.same_screen) return;
  57
  58 }
  59
  60
  61 void OBXEventHandler::enterNotify(const XCrossingEvent &e)
  62 {
  63   _lasttime = e.time;
  64
  65   OBClient *client = Openbox::instance->findClient(e.window);
  66   if (!client) return;
  67
  68 /*
  69   BScreen *screen = (BScreen *) 0;
  70   BlackboxWindow *win = (BlackboxWindow *) 0;
  71
  72   if (e->xcrossing.mode == NotifyGrab) break;
  73
  74   if ((e->xcrossing.window == e->xcrossing.root) &&
  75       (screen = searchScreen(e->xcrossing.window))) {
  76     screen->getImageControl()->installRootColormap();
  77   } else if ((win = searchWindow(e->xcrossing.window))) {
  78     if (! no_focus)
  79       win->enterNotifyEvent(&e->xcrossing);
  80   }
  81 */
  82 }
  83
  84
  85 void OBXEventHandler::leaveNotify(const XCrossingEvent &e)
  86 {
  87   _lasttime = e.time;
  88
  89   OBClient *client = Openbox::instance->findClient(e.window);
  90   if (!client) return;
  91
  92 /*
  93   BlackboxWindow *win = (BlackboxWindow *) 0;
  94
  95   if ((win = searchWindow(e->xcrossing.window)))
  96     win->leaveNotifyEvent(&e->xcrossing);
  97 */
  98 }
  99
 100
 101 void OBXEventHandler::configureRequest(const XConfigureRequestEvent &e)
 102 {
 103   OBClient *client = Openbox::instance->findClient(e.window);
 104   if (!client) return;
 105
 106 /*  BlackboxWindow *win = (BlackboxWindow *) 0;
 107
 108   if ((win = searchWindow(e->xconfigurerequest.window))) {
 109     win->configureRequestEvent(&e->xconfigurerequest);
 110   } else {
 111     if (validateWindow(e->xconfigurerequest.window)) {
 112       XWindowChanges xwc;
 113
 114       xwc.x = e->xconfigurerequest.x;
 115       xwc.y = e->xconfigurerequest.y;
 116       xwc.width = e->xconfigurerequest.width;
 117       xwc.height = e->xconfigurerequest.height;
 118       xwc.border_width = e->xconfigurerequest.border_width;
 119       xwc.sibling = e->xconfigurerequest.above;
 120       xwc.stack_mode = e->xconfigurerequest.detail;
 121
 122       XConfigureWindow(otk::OBDisplay::display, e->xconfigurerequest.window,
 123                        e->xconfigurerequest.value_mask, &xwc);
 124     }
 125   }
 126 */
 127 }
 128
 129
 130 // XXX: put this into the OBScreen or OBClient class!
 131 void OBXEventHandler::manageWindow(int screen, Window window)
 132 {
 133   OBClient *client = 0;
 134   XWMHints *wmhint;
 135   XSetWindowAttributes attrib_set;
 136
 137   // XXX: manage the window, i.e. grab events n shit
 138
 139   // is the window a docking app
 140   if ((wmhint = XGetWMHints(otk::OBDisplay::display, window))) {
 141     if ((wmhint->flags & StateHint) &&
 142         wmhint->initial_state == WithdrawnState) {
 143       //slit->addClient(w); // XXX: make dock apps work!
 144       XFree(wmhint);
 145       return;
 146     }
 147     XFree(wmhint);
 148   }
 149
 150   // choose the events we want to receive on the CLIENT window
 151   attrib_set.event_mask = OBClient::event_mask;
 152   attrib_set.do_not_propagate_mask = ButtonPressMask | ButtonReleaseMask |
 153                                      ButtonMotionMask;
 154   XChangeWindowAttributes(otk::OBDisplay::display, window,
 155                           CWEventMask|CWDontPropagate, &attrib_set);
 156
 157   // create the OBClient class, which gets all of the hints on the window
 158   Openbox::instance->addClient(window, client = new OBClient(screen, window));
 159
 160   // we dont want a border on the client
 161   XSetWindowBorderWidth(otk::OBDisplay::display, window, 0);
 162
 163   // specify that if we exit, the window should not be destroyed and should be
 164   // reparented back to root automatically
 165   XChangeSaveSet(otk::OBDisplay::display, window, SetModeInsert);
 166
 167   if (!client->positionRequested()) {
 168     // XXX: position the window intelligenty
 169   }
 170
 171   // XXX: store a style somewheres cooler!!
 172   otk::Style *style = ((Blackbox*)Openbox::instance)->
 173     searchScreen(RootWindow(otk::OBDisplay::display, screen))->
 174     getWindowStyle();
 175   client->frame = new OBFrame(client, style);
 176
 177   // XXX: if on the current desktop..
 178   XMapWindow(otk::OBDisplay::display, client->frame->window());
 179
 180   // XXX: handle any requested states such as shaded/maximized
 181 }
 182
 183 // XXX: move this to the OBScreen or OBClient class!
 184 void OBXEventHandler::unmanageWindow(OBClient *client)
 185 {
 186   OBFrame *frame = client->frame;
 187
 188   // XXX: pass around focus if this window was focused
 189
 190   // remove the window from our save set
 191   XChangeSaveSet(otk::OBDisplay::display, client->window(), SetModeDelete);
 192
 193   // we dont want events no more
 194   XSelectInput(otk::OBDisplay::display, client->window(), NoEventMask);
 195
 196   XUnmapWindow(otk::OBDisplay::display, frame->window());
 197
 198   // we dont want a border on the client
 199   XSetWindowBorderWidth(otk::OBDisplay::display, client->window(),
 200                         client->borderWidth());
 201
 202   // remove the client class from the search list
 203   Openbox::instance->removeClient(client->window());
 204
 205   delete client->frame;
 206   client->frame = 0;
 207
 208   delete client;
 209 }
 210
 211 void OBXEventHandler::mapRequest(const XMapRequestEvent &e)
 212 {
 213 #ifdef    DEBUG
 214   printf("MapRequest for 0x%lx\n", e.window);
 215 #endif // DEBUG
 216
 217   OBClient *client = Openbox::instance->findClient(e.window);
 218
 219   if (client) {
 220     // XXX: uniconify and/or unshade the window
 221   } else {
 222     int screen = INT_MAX;
 223
 224     for (int i = 0; i < ScreenCount(otk::OBDisplay::display); ++i)
 225       if (otk::OBDisplay::screenInfo(i)->getRootWindow() == e.parent) {
 226         screen = i;
 227         break;
 228       }
 229
 230     if (screen >= ScreenCount(otk::OBDisplay::display)) {
 231       /*
 232         we got a map request for a window who's parent isn't root. this
 233         can happen in only one circumstance:
 234
 235         a client window unmapped a managed window, and then remapped it
 236         somewhere between unmapping the client window and reparenting it
 237         to root.
 238
 239         regardless of how it happens, we need to find the screen that
 240         the window is on
 241       */
 242       XWindowAttributes wattrib;
 243       if (! XGetWindowAttributes(otk::OBDisplay::display, e.window,
 244                                  &wattrib)) {
 245         // failed to get the window attributes, perhaps the window has
 246         // now been destroyed?
 247         return;
 248       }
 249
 250       for (int i = 0; i < ScreenCount(otk::OBDisplay::display); ++i)
 251         if (otk::OBDisplay::screenInfo(i)->getRootWindow() == wattrib.root) {
 252           screen = i;
 253           break;
 254         }
 255     }
 256
 257     assert(screen < ScreenCount(otk::OBDisplay::display));
 258
 259     manageWindow(screen, e.window);
 260   }
 261
 262 /*
 263   BlackboxWindow *win = searchWindow(e->xmaprequest.window);
 264
 265   if (win) {
 266     bool focus = False;
 267     if (win->isIconic()) {
 268       win->deiconify();
 269       focus = True;
 270     }
 271     if (win->isShaded()) {
 272       win->shade();
 273       focus = True;
 274     }
 275
 276     if (focus && (win->isTransient() || win->getScreen()->doFocusNew()) &&
 277         win->isVisible())
 278       win->setInputFocus();
 279   } else {
 280     BScreen *screen = searchScreen(e->xmaprequest.parent);
 281
 282     if (! screen) {
 283 */
 284       /*
 285         we got a map request for a window who's parent isn't root. this
 286         can happen in only one circumstance:
 287
 288         a client window unmapped a managed window, and then remapped it
 289         somewhere between unmapping the client window and reparenting it
 290         to root.
 291
 292         regardless of how it happens, we need to find the screen that
 293         the window is on
 294       */
 295 /*
 296       XWindowAttributes wattrib;
 297       if (! XGetWindowAttributes(otk::OBDisplay::display,
 298                                  e->xmaprequest.window,
 299                                  &wattrib)) {
 300         // failed to get the window attributes, perhaps the window has
 301         // now been destroyed?
 302         break;
 303       }
 304
 305       screen = searchScreen(wattrib.root);
 306       assert(screen != 0); // this should never happen
 307     }
 308     screen->manageWindow(e->xmaprequest.window);
 309   }
 310 */
 311 }
 312
 313
 314 void OBXEventHandler::unmapNotify(const XUnmapEvent &e)
 315 {
 316   OBClient *client = Openbox::instance->findClient(e.window);
 317   if (!client) return;
 318
 319   unmanageWindow(client);
 320 }
 321
 322
 323 void OBXEventHandler::destroyNotify(const XDestroyWindowEvent &e)
 324 {
 325   // XXX: window group leaders can come through here too!
 326
 327   OBClient *client = Openbox::instance->findClient(e.window);
 328   if (!client) return;
 329
 330   unmanageWindow(client);
 331 }
 332
 333
 334 void OBXEventHandler::reparentNotify(const XReparentEvent &e)
 335 {
 336   /*
 337     this event is quite rare and is usually handled in unmapNotify
 338     however, if the window is unmapped when the reparent event occurs
 339     the window manager never sees it because an unmap event is not sent
 340     to an already unmapped window.
 341   */
 342   OBClient *client = Openbox::instance->findClient(e.window);
 343   if (!client) return;
 344
 345 /*
 346   BlackboxWindow *win = searchWindow(e->xreparent.window);
 347   if (win)
 348     win->reparentNotifyEvent(&e->xreparent);
 349 */
 350 }
 351
 352
 353 void OBXEventHandler::propertyNotify(const XPropertyEvent &e)
 354 {
 355   _lasttime = e.time;
 356
 357   OBClient *client = Openbox::instance->findClient(e.window);
 358   if (!client) return;
 359
 360   client->update(e);
 361 }
 362
 363
 364 void OBXEventHandler::expose(const XExposeEvent &first)
 365 {
 366   OBClient *client = Openbox::instance->findClient(first.window);
 367   if (!client) return;
 368
 369   // compress expose events
 370   XEvent e; e.xexpose = first;
 371   unsigned int i = 0;
 372   otk::Rect area(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 373                  e.xexpose.height);
 374   while (XCheckTypedWindowEvent(otk::OBDisplay::display,
 375                                 e.xexpose.window, Expose, &e)) {
 376     i++;
 377     // merge expose area
 378     area |= otk::Rect(e.xexpose.x, e.xexpose.y, e.xexpose.width,
 379                       e.xexpose.height);
 380   }
 381   if ( i > 0 ) {
 382     // use the merged area
 383     e.xexpose.x = area.x();
 384     e.xexpose.y = area.y();
 385     e.xexpose.width = area.width();
 386     e.xexpose.height = area.height();
 387   }
 388
 389   // XXX: make the decorations redraw!
 390 }
 391
 392
 393 void OBXEventHandler::colormapNotify(const XColormapEvent &e)
 394 {
 395   (void)e;
 396 /*
 397   BScreen *screen = searchScreen(e->xcolormap.window);
 398   if (screen)
 399     screen->setRootColormapInstalled((e->xcolormap.state ==
 400                                       ColormapInstalled) ? True : False);
 401 */
 402 }
 403
 404
 405 void OBXEventHandler::focusIn(const XFocusChangeEvent &e)
 406 {
 407   if (e.detail != NotifyNonlinear &&
 408       e.detail != NotifyAncestor) {
 409     /*
 410       don't process FocusIns when:
 411       1. the new focus window isn't an ancestor or inferior of the old
 412       focus window (NotifyNonlinear)
 413       make sure to allow the FocusIn when the old focus window was an
 414       ancestor but didn't have a parent, such as root (NotifyAncestor)
 415     */
 416     return;
 417   }
 418 /*
 419   BlackboxWindow *win = searchWindow(e.window);
 420   if (win) {
 421     if (! win->isFocused())
 422       win->setFocusFlag(True);
 423 */
 424     /*
 425       set the event window to None.  when the FocusOut event handler calls
 426       this function recursively, it uses this as an indication that focus
 427       has moved to a known window.
 428     */
 429 /*
 430     e->xfocus.window = None;
 431
 432     no_focus = False;   // focusing is back on
 433   }
 434 */
 435 }
 436
 437
 438 void OBXEventHandler::focusOut(const XFocusChangeEvent &e)
 439 {
 440   if (e.detail != NotifyNonlinear) {
 441     /*
 442       don't process FocusOuts when:
 443       2. the new focus window isn't an ancestor or inferior of the old
 444       focus window (NotifyNonlinear)
 445     */
 446     return;
 447   }
 448
 449 /*
 450   BlackboxWindow *win = searchWindow(e->xfocus.window);
 451   if (win && win->isFocused()) {
 452 */
 453     /*
 454       before we mark "win" as unfocused, we need to verify that focus is
 455       going to a known location, is in a known location, or set focus
 456       to a known location.
 457     */
 458 /*
 459     XEvent event;
 460     // don't check the current focus if FocusOut was generated during a grab
 461     bool check_focus = (e->xfocus.mode == NotifyNormal);
 462 */
 463     /*
 464       First, check if there is a pending FocusIn event waiting.  if there
 465       is, process it and determine if focus has moved to another window
 466       (the FocusIn event handler sets the window in the event
 467       structure to None to indicate this).
 468     */
 469 /*
 470     if (XCheckTypedEvent(otk::OBDisplay::display, FocusIn, &event)) {
 471
 472       process_event(&event);
 473       if (event.xfocus.window == None) {
 474         // focus has moved
 475         check_focus = False;
 476       }
 477     }
 478
 479     if (check_focus) {
 480 */
 481       /*
 482         Second, we query the X server for the current input focus.
 483         to make sure that we keep a consistent state.
 484       */
 485 /*
 486       BlackboxWindow *focus;
 487       Window w;
 488       int revert;
 489       XGetInputFocus(otk::OBDisplay::display, &w, &revert);
 490       focus = searchWindow(w);
 491       if (focus) {
 492 */
 493         /*
 494           focus got from "win" to "focus" under some very strange
 495           circumstances, and we need to make sure that the focus indication
 496           is correct.
 497         */
 498 /*
 499         setFocusedWindow(focus);
 500       } else {
 501         // we have no idea where focus went... so we set it to somewhere
 502         setFocusedWindow(0);
 503       }
 504     }
 505   }
 506 */
 507 }
 508
 509
 510 #ifdef    SHAPE
 511 void OBXEventHandler::shapeEvent(const XShapeEvent &e)
 512 {
 513   printf("ShapeEvent\n");
 514   if (e.kind != ShapeBounding) return;
 515
 516   OBClient *client = Openbox::instance->findClient(e.window);
 517   if (!client) return;
 518
 519   client->update(e);
 520   client->frame->update();
 521 }
 522 #endif // SHAPE
 523
 524
 525 void OBXEventHandler::clientMessage(const XClientMessageEvent &e)
 526 {
 527   if (e.format != 32)
 528     return;
 529 /*
 530   } else if (e->xclient.message_type ==
 531              xatom->getAtom(XAtom::blackbox_change_workspace) ||
 532              e->xclient.message_type ==
 533              xatom->getAtom(XAtom::net_current_desktop)) {
 534     // NET_CURRENT_DESKTOP message
 535     BScreen *screen = searchScreen(e->xclient.window);
 536
 537     unsigned int workspace = e->xclient.data.l[0];
 538     if (screen && workspace < screen->getWorkspaceCount())
 539       screen->changeWorkspaceID(workspace);
 540   } else if (e->xclient.message_type ==
 541              xatom->getAtom(XAtom::net_active_window)) {
 542     // NET_ACTIVE_WINDOW
 543     BlackboxWindow *win = searchWindow(e->xclient.window);
 544
 545     if (win) {
 546       BScreen *screen = win->getScreen();
 547
 548       if (win->isIconic())
 549         win->deiconify(False, False);
 550       if (! win->isStuck() &&
 551           (win->getWorkspaceNumber() != screen->getCurrentWorkspaceID())) {
 552         no_focus = True;
 553         screen->changeWorkspaceID(win->getWorkspaceNumber());
 554       }
 555       if (win->isVisible() && win->setInputFocus()) {
 556         win->getScreen()->getWorkspace(win->getWorkspaceNumber())->
 557           raiseWindow(win);
 558         win->installColormap(True);
 559       }
 560     }
 561   } else if (e->xclient.message_type ==
 562              xatom->getAtom(XAtom::net_number_of_desktops)) {
 563     // NET_NUMBER_OF_DESKTOPS
 564     BScreen *screen = searchScreen(e->xclient.window);
 565
 566     if (e->xclient.data.l[0] > 0)
 567       screen->changeWorkspaceCount((unsigned) e->xclient.data.l[0]);
 568   } else if (e->xclient.message_type ==
 569              xatom->getAtom(XAtom::net_close_window)) {
 570     // NET_CLOSE_WINDOW
 571     BlackboxWindow *win = searchWindow(e->xclient.window);
 572     if (win && win->validateClient())
 573       win->close(); // could this be smarter?
 574   } else if (e->xclient.message_type ==
 575              xatom->getAtom(XAtom::net_wm_moveresize)) {
 576     // NET_WM_MOVERESIZE
 577     BlackboxWindow *win = searchWindow(e->xclient.window);
 578     if (win && win->validateClient()) {
 579       int x_root = e->xclient.data.l[0],
 580         y_root = e->xclient.data.l[1];
 581       if ((Atom) e->xclient.data.l[2] ==
 582           xatom->getAtom(XAtom::net_wm_moveresize_move)) {
 583         win->beginMove(x_root, y_root);
 584       } else {
 585         if ((Atom) e->xclient.data.l[2] ==
 586             xatom->getAtom(XAtom::net_wm_moveresize_size_topleft))
 587           win->beginResize(x_root, y_root, BlackboxWindow::TopLeft);
 588         else if ((Atom) e->xclient.data.l[2] ==
 589                  xatom->getAtom(XAtom::net_wm_moveresize_size_topright))
 590           win->beginResize(x_root, y_root, BlackboxWindow::TopRight);
 591         else if ((Atom) e->xclient.data.l[2] ==
 592                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomleft))
 593           win->beginResize(x_root, y_root, BlackboxWindow::BottomLeft);
 594         else if ((Atom) e->xclient.data.l[2] ==
 595                  xatom->getAtom(XAtom::net_wm_moveresize_size_bottomright))
 596           win->beginResize(x_root, y_root, BlackboxWindow::BottomRight);
 597       }
 598     }
 599   }
 600 */
 601 }
 602
 603
 604 void OBXEventHandler::handle(const XEvent &e)
 605 {
 606   /* mouse button events can get translated into:
 607        press - button was pressed down
 608        release - buttons was released
 609        click - button was pressed and released on the same window
 610        double click - clicked twice on the same widget in a given time and area
 611
 612      key events are only bindable to presses. key releases are ignored.
 613
 614      mouse enter/leave can be bound to for the entire window
 615   */
 616
 617   switch (e.type) {
 618
 619     // These types of XEvent's can be bound to actions by the user, and so end
 620     // up getting passed off to the OBBindingMapper class at some point
 621     // IOW: THESE WILL HAVE GUILE HOOKS
 622   case ButtonPress:
 623     buttonPress(e.xbutton);
 624     break;
 625   case ButtonRelease:
 626     buttonRelease(e.xbutton);
 627     break;
 628   case KeyPress:
 629     keyPress(e.xkey);
 630     break;
 631   case MotionNotify:
 632     motion(e.xmotion);
 633     break;
 634   case EnterNotify:
 635     enterNotify(e.xcrossing);
 636     break;
 637   case LeaveNotify:
 638     leaveNotify(e.xcrossing);
 639     break;
 640
 641
 642     // These types of XEvent's can not be bound to actions by the user and so
 643     // will simply be handled in this class
 644   case ConfigureRequest:
 645     configureRequest(e.xconfigurerequest);
 646     break;
 647
 648   case MapRequest:
 649     mapRequest(e.xmaprequest);
 650     break;
 651
 652   case UnmapNotify:
 653     unmapNotify(e.xunmap);
 654     break;
 655
 656   case DestroyNotify:
 657     destroyNotify(e.xdestroywindow);
 658     break;
 659
 660   case ReparentNotify:
 661     reparentNotify(e.xreparent);
 662     break;
 663
 664   case PropertyNotify:
 665     propertyNotify(e.xproperty);
 666     break;
 667
 668   case Expose:
 669     expose(e.xexpose);
 670     break;
 671
 672   case ColormapNotify:
 673     colormapNotify(e.xcolormap);
 674     break;
 675
 676   case FocusIn:
 677     focusIn(e.xfocus);
 678     break;
 679
 680   case FocusOut:
 681     focusOut(e.xfocus);
 682     break;
 683
 684   case ClientMessage:
 685     clientMessage(e.xclient);
 686
 687   default:
 688 #ifdef    SHAPE
 689     if (e.type == otk::OBDisplay::shapeEventBase())
 690       shapeEvent((*(XShapeEvent*)&e));
 691 #endif // SHAPE
 692     break;
 693
 694 /*
 695   case ClientMessage: {
 696     break;
 697   }
 698
 699 */
 700   } // switch
 701 }
 702
 703
 704 }