src/screen.cc (raw)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 |
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- #include "config.h" #include "screen.hh" #include "client.hh" #include "openbox.hh" #include "frame.hh" #include "bindings.hh" #include "python.hh" #include "otk/display.hh" #include "otk/property.hh" #include "otk/util.hh" extern "C" { #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif // HAVE_UNISTD_H #include "gettext.h" #define _(str) gettext(str) } #include <vector> #include <algorithm> #include <cstdio> #include <cstring> static bool running; static int anotherWMRunning(Display *display, XErrorEvent *) { printf(_("Another window manager already running on display %s.\n"), DisplayString(display)); running = true; return -1; } namespace ob { Screen::Screen(int screen) : _number(screen) { assert(screen >= 0); assert(screen < ScreenCount(**otk::display)); _info = otk::display->screenInfo(screen); ::running = false; XErrorHandler old = XSetErrorHandler(::anotherWMRunning); XSelectInput(**otk::display, _info->rootWindow(), Screen::event_mask); XSync(**otk::display, false); XSetErrorHandler(old); _managed = !::running; if (! _managed) return; // was unable to manage the screen #ifdef DEBUG printf(_("Managing screen %d: visual 0x%lx, depth %d\n"), _number, XVisualIDFromVisual(_info->visual()), _info->depth()); #endif otk::Property::set(_info->rootWindow(), otk::Property::atoms.openbox_pid, otk::Property::atoms.cardinal, (unsigned long) getpid()); // set the mouse cursor for the root window (the default cursor) XDefineCursor(**otk::display, _info->rootWindow(), openbox->cursors().session); // set up notification of netwm support changeSupportedAtoms(); // Set the netwm properties for geometry unsigned long geometry[] = { _info->size().width(), _info->size().height() }; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_desktop_geometry, otk::Property::atoms.cardinal, geometry, 2); _desktop = 0; changeNumDesktops(4); // set the hint changeDesktop(0); // set the hint // don't start in showing-desktop mode _showing_desktop = false; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_showing_desktop, otk::Property::atoms.cardinal, 0); // create the window which gets focus when no clients get it XSetWindowAttributes attr; attr.override_redirect = true; _focuswindow = XCreateWindow(**otk::display, _info->rootWindow(), -100, -100, 1, 1, 0, 0, InputOnly, _info->visual(), CWOverrideRedirect, &attr); XMapRaised(**otk::display, _focuswindow); // these may be further updated if any pre-existing windows are found in // the manageExising() function changeClientList(); // initialize the client lists, which will be empty updateDesktopLayout(); // register this class as the event handler for the root window openbox->registerHandler(_info->rootWindow(), this); // call the python Startup callbacks EventData data(_number, 0, EventAction::Startup, 0); openbox->bindings()->fireEvent(&data); } Screen::~Screen() { if (! _managed) return; XSelectInput(**otk::display, _info->rootWindow(), NoEventMask); // unmanage all windows while (!clients.empty()) unmanageWindow(clients.front()); // call the python Shutdown callbacks EventData data(_number, 0, EventAction::Shutdown, 0); openbox->bindings()->fireEvent(&data); XDestroyWindow(**otk::display, _focuswindow); XDestroyWindow(**otk::display, _supportwindow); } void Screen::manageExisting() { unsigned int i, j, nchild; Window r, p, *children; XQueryTree(**otk::display, _info->rootWindow(), &r, &p, &children, &nchild); // preen the window list of all icon windows... for better dockapp support for (i = 0; i < nchild; i++) { if (children[i] == None) continue; XWMHints *wmhints = XGetWMHints(**otk::display, children[i]); if (wmhints) { if ((wmhints->flags & IconWindowHint) && (wmhints->icon_window != children[i])) { for (j = 0; j < nchild; j++) { if (children[j] == wmhints->icon_window) { children[j] = None; break; } } } XFree(wmhints); } } // manage shown windows for (i = 0; i < nchild; ++i) { if (children[i] == None) continue; XWindowAttributes attrib; if (XGetWindowAttributes(**otk::display, children[i], &attrib)) { if (attrib.override_redirect) continue; if (attrib.map_state != IsUnmapped) { manageWindow(children[i]); } } } XFree(children); } void Screen::updateDesktopLayout() { //const unsigned long _NET_WM_ORIENTATION_HORZ = 0; const unsigned long _NET_WM_ORIENTATION_VERT = 1; //const unsigned long _NET_WM_TOPLEFT = 0; const unsigned long _NET_WM_TOPRIGHT = 1; const unsigned long _NET_WM_BOTTOMRIGHT = 2; const unsigned long _NET_WM_BOTTOMLEFT = 3; // defaults _layout.orientation = DesktopLayout::Horizontal; _layout.start_corner = DesktopLayout::TopLeft; _layout.rows = 1; _layout.columns = _num_desktops; unsigned long *data, num = 4; if (otk::Property::get(_info->rootWindow(), otk::Property::atoms.net_desktop_layout, otk::Property::atoms.cardinal, &num, &data)) { if (num == 4) { if (data[0] == _NET_WM_ORIENTATION_VERT) _layout.orientation = DesktopLayout::Vertical; if (data[3] == _NET_WM_TOPRIGHT) _layout.start_corner = DesktopLayout::TopRight; else if (data[3] == _NET_WM_BOTTOMRIGHT) _layout.start_corner = DesktopLayout::BottomRight; else if (data[3] == _NET_WM_BOTTOMLEFT) _layout.start_corner = DesktopLayout::BottomLeft; // fill in a zero rows/columns if (!(data[1] == 0 && data[2] == 0)) { // both 0's is bad data.. if (data[1] == 0) { data[1] = (_num_desktops + _num_desktops % data[2]) / data[2]; } else if (data[2] == 0) { data[2] = (_num_desktops + _num_desktops % data[1]) / data[1]; } _layout.columns = data[1]; _layout.rows = data[2]; } // bounds checking if (_layout.orientation == DesktopLayout::Horizontal) { if (_layout.rows > _num_desktops) _layout.rows = _num_desktops; if (_layout.columns > (_num_desktops + _num_desktops % _layout.rows) / _layout.rows) _layout.columns = (_num_desktops + _num_desktops % _layout.rows) / _layout.rows; } else { if (_layout.columns > _num_desktops) _layout.columns = _num_desktops; if (_layout.rows > (_num_desktops + _num_desktops % _layout.columns) / _layout.columns) _layout.rows = (_num_desktops + _num_desktops % _layout.columns) / _layout.columns; } } delete [] data; } } void Screen::updateStruts() { struct ApplyStrut { void operator()(otk::Strut &self, const otk::Strut &other) { self.left = std::max(self.left, other.left); self.right = std::max(self.right, other.right); self.top = std::max(self.top, other.top); self.bottom = std::max(self.bottom, other.bottom); } } apply; StrutList::iterator sit, send = _struts.end(); // reset them all for (sit = _struts.begin(); sit != send; ++sit) sit->left = sit->right = sit->top = sit->bottom = 0; std::list<Client*>::const_iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { if ((*it)->iconic()) continue; // these dont count in the strut unsigned int desk = (*it)->desktop(); const otk::Strut &s = (*it)->strut(); if (desk == 0xffffffff) for (unsigned int i = 0, e = _struts.size(); i < e; ++i) apply(_struts[i], s); else if (desk < _struts.size()) apply(_struts[desk], s); else assert(false); // invalid desktop otherwise.. // apply to the 'all desktops' strut apply(_struts.back(), s); } changeWorkArea(); } void Screen::changeWorkArea() { unsigned long *dims = new unsigned long[4 * _num_desktops]; for (unsigned int i = 0; i < _num_desktops + 1; ++i) { otk::Rect old_area = _area[i]; /* #ifdef XINERAMA // reset to the full areas if (isXineramaActive()) xineramaUsableArea = getXineramaAreas(); #endif // XINERAMA */ _area[i] = otk::Rect(_struts[i].left, _struts[i].top, _info->size().width() - (_struts[i].left + _struts[i].right), _info->size().height() - (_struts[i].top + _struts[i].bottom)); /* #ifdef XINERAMA if (isXineramaActive()) { // keep each of the ximerama-defined areas inside the strut RectList::iterator xit, xend = xineramaUsableArea.end(); for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) { if (xit->x() < usableArea.x()) { xit->setX(usableArea.x()); xit->setWidth(xit->width() - usableArea.x()); } if (xit->y() < usableArea.y()) { xit->setY(usableArea.y()); xit->setHeight(xit->height() - usableArea.y()); } if (xit->x() + xit->width() > usableArea.width()) xit->setWidth(usableArea.width() - xit->x()); if (xit->y() + xit->height() > usableArea.height()) xit->setHeight(usableArea.height() - xit->y()); } } #endif // XINERAMA */ if (old_area != _area[i]) { // the area has changed, adjust all the maximized windows std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) if (i < _num_desktops) { if ((*it)->desktop() == i) (*it)->remaximize(); } else { // the 'all desktops' size if ((*it)->desktop() == 0xffffffff) (*it)->remaximize(); } } // don't set these for the 'all desktops' area if (i < _num_desktops) { dims[(i * 4) + 0] = _area[i].x(); dims[(i * 4) + 1] = _area[i].y(); dims[(i * 4) + 2] = _area[i].width(); dims[(i * 4) + 3] = _area[i].height(); } } otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_workarea, otk::Property::atoms.cardinal, dims, 4 * _num_desktops); delete [] dims; } void Screen::changeSupportedAtoms() { // create the netwm support window _supportwindow = XCreateSimpleWindow(**otk::display, _info->rootWindow(), 0, 0, 1, 1, 0, 0, 0); // set supporting window otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_supporting_wm_check, otk::Property::atoms.window, _supportwindow); //set properties on the supporting window otk::Property::set(_supportwindow, otk::Property::atoms.net_wm_name, otk::Property::utf8, "Openbox"); otk::Property::set(_supportwindow, otk::Property::atoms.net_supporting_wm_check, otk::Property::atoms.window, _supportwindow); Atom supported[] = { otk::Property::atoms.net_current_desktop, otk::Property::atoms.net_number_of_desktops, otk::Property::atoms.net_desktop_geometry, otk::Property::atoms.net_desktop_viewport, otk::Property::atoms.net_active_window, otk::Property::atoms.net_workarea, otk::Property::atoms.net_client_list, otk::Property::atoms.net_client_list_stacking, otk::Property::atoms.net_desktop_names, otk::Property::atoms.net_close_window, otk::Property::atoms.net_desktop_layout, otk::Property::atoms.net_showing_desktop, otk::Property::atoms.net_wm_name, otk::Property::atoms.net_wm_visible_name, otk::Property::atoms.net_wm_icon_name, otk::Property::atoms.net_wm_visible_icon_name, otk::Property::atoms.net_wm_desktop, otk::Property::atoms.net_wm_strut, otk::Property::atoms.net_wm_window_type, otk::Property::atoms.net_wm_window_type_desktop, otk::Property::atoms.net_wm_window_type_dock, otk::Property::atoms.net_wm_window_type_toolbar, otk::Property::atoms.net_wm_window_type_menu, otk::Property::atoms.net_wm_window_type_utility, otk::Property::atoms.net_wm_window_type_splash, otk::Property::atoms.net_wm_window_type_dialog, otk::Property::atoms.net_wm_window_type_normal, /* otk::Property::atoms.net_wm_moveresize, otk::Property::atoms.net_wm_moveresize_size_topleft, otk::Property::atoms.net_wm_moveresize_size_topright, otk::Property::atoms.net_wm_moveresize_size_bottomleft, otk::Property::atoms.net_wm_moveresize_size_bottomright, otk::Property::atoms.net_wm_moveresize_move, */ otk::Property::atoms.net_wm_allowed_actions, otk::Property::atoms.net_wm_action_move, otk::Property::atoms.net_wm_action_resize, otk::Property::atoms.net_wm_action_minimize, otk::Property::atoms.net_wm_action_shade, /* otk::Property::atoms.net_wm_action_stick,*/ otk::Property::atoms.net_wm_action_maximize_horz, otk::Property::atoms.net_wm_action_maximize_vert, otk::Property::atoms.net_wm_action_fullscreen, otk::Property::atoms.net_wm_action_change_desktop, otk::Property::atoms.net_wm_action_close, otk::Property::atoms.net_wm_state, otk::Property::atoms.net_wm_state_modal, otk::Property::atoms.net_wm_state_maximized_vert, otk::Property::atoms.net_wm_state_maximized_horz, otk::Property::atoms.net_wm_state_shaded, otk::Property::atoms.net_wm_state_skip_taskbar, otk::Property::atoms.net_wm_state_skip_pager, otk::Property::atoms.net_wm_state_hidden, otk::Property::atoms.net_wm_state_fullscreen, otk::Property::atoms.net_wm_state_above, otk::Property::atoms.net_wm_state_below, }; const int num_supported = sizeof(supported)/sizeof(Atom); otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_supported, otk::Property::atoms.atom, supported, num_supported); } void Screen::changeClientList() { Window *windows; unsigned int size = clients.size(); // create an array of the window ids if (size > 0) { Window *win_it; windows = new Window[size]; win_it = windows; std::list<Client*>::const_iterator it = clients.begin(); const std::list<Client*>::const_iterator end = clients.end(); for (; it != end; ++it, ++win_it) *win_it = (*it)->window(); } else windows = (Window*) 0; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_client_list, otk::Property::atoms.window, windows, size); if (size) delete [] windows; changeStackingList(); } void Screen::changeStackingList() { Window *windows; unsigned int size = _stacking.size(); assert(size == clients.size()); // just making sure.. :) // create an array of the window ids (from bottom to top, reverse order!) if (size > 0) { Window *win_it; windows = new Window[size]; win_it = windows; std::list<Client*>::const_reverse_iterator it = _stacking.rbegin(); const std::list<Client*>::const_reverse_iterator end = _stacking.rend(); for (; it != end; ++it, ++win_it) *win_it = (*it)->window(); } else windows = (Window*) 0; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_client_list_stacking, otk::Property::atoms.window, windows, size); if (size) delete [] windows; } void Screen::manageWindow(Window window) { Client *client = 0; XWMHints *wmhint; XSetWindowAttributes attrib_set; XEvent e; XWindowAttributes attrib; otk::display->grab(); // check if it has already been unmapped by the time we started mapping // the grab does a sync so we don't have to here if (XCheckTypedWindowEvent(**otk::display, window, DestroyNotify, &e) || XCheckTypedWindowEvent(**otk::display, window, UnmapNotify, &e)) { XPutBackEvent(**otk::display, &e); otk::display->ungrab(); return; // don't manage it } if (!XGetWindowAttributes(**otk::display, window, &attrib) || attrib.override_redirect) { otk::display->ungrab(); return; // don't manage it } // is the window a docking app if ((wmhint = XGetWMHints(**otk::display, window))) { if ((wmhint->flags & StateHint) && wmhint->initial_state == WithdrawnState) { //slit->addClient(w); // XXX: make dock apps work! otk::display->ungrab(); XFree(wmhint); return; } XFree(wmhint); } // choose the events we want to receive on the CLIENT window attrib_set.event_mask = Client::event_mask; attrib_set.do_not_propagate_mask = Client::no_propagate_mask; XChangeWindowAttributes(**otk::display, window, CWEventMask|CWDontPropagate, &attrib_set); // create the Client class, which gets all of the hints on the window client = new Client(_number, window); // register for events openbox->registerHandler(window, client); // add to the wm's map openbox->addClient(window, client); // we dont want a border on the client client->toggleClientBorder(false); // specify that if we exit, the window should not be destroyed and should be // reparented back to root automatically XChangeSaveSet(**otk::display, window, SetModeInsert); // create the decoration frame for the client window client->frame = new Frame(client); // register the plate for events (map req's) // this involves removing itself from the handler list first, since it is // auto added to the list, being a widget. we won't get any events on the // plate except for events for the client (SubstructureRedirectMask) openbox->clearHandler(client->frame->plate()); openbox->registerHandler(client->frame->plate(), client); // add to the wm's map Window *w = client->frame->allWindows(); for (unsigned int i = 0; w[i]; ++i) openbox->addClient(w[i], client); delete [] w; // reparent the client to the frame client->frame->grabClient(); if (openbox->state() != Openbox::State_Starting) { // position the window intelligenty .. hopefully :) // call the python PLACEWINDOW binding EventData data(_number, client, EventAction::PlaceWindow, 0); openbox->bindings()->fireEvent(&data); } EventData ddata(_number, client, EventAction::DisplayingWindow, 0); openbox->bindings()->fireEvent(&ddata); client->showhide(); client->applyStartupState(); otk::display->ungrab(); // add to the screen's list clients.push_back(client); // once the client is in the list, update our strut to include the new // client's (it is good that this happens after window placement!) updateStruts(); // this puts into the stacking order, then raises it _stacking.push_back(client); raiseWindow(client); // update the root properties changeClientList(); openbox->bindings()->grabButtons(true, client); EventData ndata(_number, client, EventAction::NewWindow, 0); openbox->bindings()->fireEvent(&ndata); #ifdef DEBUG printf("Managed window 0x%lx frame 0x%lx\n", window, client->frame->window()); #endif } void Screen::unmanageWindow(Client *client) { Frame *frame = client->frame; // call the python CLOSEWINDOW binding EventData data(_number, client, EventAction::CloseWindow, 0); openbox->bindings()->fireEvent(&data); openbox->bindings()->grabButtons(false, client); // remove from the wm's map openbox->removeClient(client->window()); Window *w = frame->allWindows(); for (unsigned int i = 0; w[i]; ++i) openbox->addClient(w[i], client); delete [] w; // unregister for handling events openbox->clearHandler(client->window()); // remove the window from our save set XChangeSaveSet(**otk::display, client->window(), SetModeDelete); // we dont want events no more XSelectInput(**otk::display, client->window(), NoEventMask); frame->hide(); // give the client its border back client->toggleClientBorder(true); // reparent the window out of the frame frame->releaseClient(); #ifdef DEBUG Window framewin = client->frame->window(); #endif delete client->frame; client->frame = 0; // remove from the stacking order _stacking.remove(client); // remove from the screen's list clients.remove(client); // once the client is out of the list, update our strut to remove it's // influence updateStruts(); // unset modal before dropping our focus client->_modal = false; // unfocus the client (calls the focus callbacks) if (client->focused()) client->unfocus(); #ifdef DEBUG printf("Unmanaged window 0x%lx frame 0x%lx\n", client->window(), framewin); #endif delete client; // update the root properties changeClientList(); } void Screen::lowerWindow(Client *client) { Window wins[2]; // only ever restack 2 windows. assert(!_stacking.empty()); // this would be bad std::list<Client*>::iterator it = --_stacking.end(); const std::list<Client*>::iterator end = _stacking.begin(); if (client->modal() && client->transientFor()) { // don't let a modal window lower below its transient_for it = std::find(_stacking.begin(), _stacking.end(), client->transientFor()); assert(it != _stacking.end()); wins[0] = (it == _stacking.begin() ? _focuswindow : ((*(--std::list<Client*>::const_iterator(it)))-> frame->window())); wins[1] = client->frame->window(); if (wins[0] == wins[1]) return; // already right above the window _stacking.remove(client); _stacking.insert(it, client); } else { for (; it != end && (*it)->layer() < client->layer(); --it); if (*it == client) return; // already the bottom, return wins[0] = (*it)->frame->window(); wins[1] = client->frame->window(); _stacking.remove(client); _stacking.insert(++it, client); } XRestackWindows(**otk::display, wins, 2); changeStackingList(); } void Screen::raiseWindow(Client *client) { Window wins[2]; // only ever restack 2 windows. assert(!_stacking.empty()); // this would be bad Client *m = client->findModalChild(); // if we have a modal child, raise it instead, we'll go along tho later if (m) raiseWindow(m); // remove the client before looking so we can't run into ourselves _stacking.remove(client); std::list<Client*>::iterator it = _stacking.begin(); const std::list<Client*>::iterator end = _stacking.end(); // the stacking list is from highest to lowest for (; it != end && ((*it)->layer() > client->layer() || m == *it); ++it); /* if our new position is the top, we want to stack under the _focuswindow otherwise, we want to stack under the previous window in the stack. */ wins[0] = (it == _stacking.begin() ? _focuswindow : ((*(--std::list<Client*>::const_iterator(it)))->frame->window())); wins[1] = client->frame->window(); _stacking.insert(it, client); XRestackWindows(**otk::display, wins, 2); changeStackingList(); } void Screen::changeDesktop(unsigned int desktop) { if (desktop >= _num_desktops) return; printf("Moving to desktop %u\n", desktop); unsigned int old = _desktop; _desktop = desktop; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_current_desktop, otk::Property::atoms.cardinal, _desktop); if (old == _desktop) return; std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) (*it)->showhide(); // force the callbacks to fire if (!openbox->focusedClient()) openbox->setFocusedClient(0); } void Screen::changeNumDesktops(unsigned int num) { assert(num > 0); if (!(num > 0)) return; // move windows on desktops that will no longer exist! std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { unsigned int d = (*it)->desktop(); if (d >= num && d != 0xffffffff) { XEvent ce; ce.xclient.type = ClientMessage; ce.xclient.message_type = otk::Property::atoms.net_wm_desktop; ce.xclient.display = **otk::display; ce.xclient.window = (*it)->window(); ce.xclient.format = 32; ce.xclient.data.l[0] = num - 1; XSendEvent(**otk::display, _info->rootWindow(), false, SubstructureNotifyMask | SubstructureRedirectMask, &ce); } } _num_desktops = num; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_number_of_desktops, otk::Property::atoms.cardinal, _num_desktops); // set the viewport hint unsigned long *viewport = new unsigned long[_num_desktops * 2]; memset(viewport, 0, sizeof(unsigned long) * _num_desktops * 2); otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_desktop_viewport, otk::Property::atoms.cardinal, viewport, _num_desktops * 2); delete [] viewport; // change our struts/area to match _area.resize(_num_desktops + 1); _struts.resize(_num_desktops + 1); updateStruts(); // the number of rows/columns will differ updateDesktopLayout(); // may be some unnamed desktops that we need to fill in with names updateDesktopNames(); // change our desktop if we're on one that no longer exists! if (_desktop >= _num_desktops) changeDesktop(_num_desktops - 1); } void Screen::updateDesktopNames() { unsigned long num; if (!otk::Property::get(_info->rootWindow(), otk::Property::atoms.net_desktop_names, otk::Property::utf8, &num, &_desktop_names)) _desktop_names.clear(); while (_desktop_names.size() < _num_desktops) _desktop_names.push_back("Unnamed"); } const otk::Rect& Screen::area(unsigned int desktop) const { assert(desktop < _num_desktops || desktop == 0xffffffff); if (desktop < _num_desktops) return _area[desktop]; else return _area[_num_desktops]; } void Screen::installColormap(bool install) const { if (install) XInstallColormap(**otk::display, _info->colormap()); else XUninstallColormap(**otk::display, _info->colormap()); } void Screen::showDesktop(bool show) { if (show == _showing_desktop) return; // no change // save the window focus, and restore it when leaving the show-desktop mode static Window saved_focus = 0; if (show) { Client *c = openbox->focusedClient(); if (c) saved_focus = c->window(); } _showing_desktop = show; std::list<Client*>::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { if ((*it)->type() == Client::Type_Desktop) { if (show) (*it)->focus(); } else (*it)->showhide(); } if (!show) { Client *f = openbox->focusedClient(); if (!f || f->type() == Client::Type_Desktop) { Client *c = openbox->findClient(saved_focus); if (c) c->focus(); } } otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_showing_desktop, otk::Property::atoms.cardinal, show ? 1 : 0); } void Screen::propertyHandler(const XPropertyEvent &e) { otk::EventHandler::propertyHandler(e); // compress changes to a single property into a single change XEvent ce; while (XCheckTypedWindowEvent(**otk::display, _info->rootWindow(), e.type, &ce)) { // XXX: it would be nice to compress ALL changes to a property, not just // changes in a row without other props between. if (ce.xproperty.atom != e.atom) { XPutBackEvent(**otk::display, &ce); break; } } if (e.atom == otk::Property::atoms.net_desktop_names) updateDesktopNames(); else if (e.atom == otk::Property::atoms.net_desktop_layout) updateDesktopLayout(); } void Screen::clientMessageHandler(const XClientMessageEvent &e) { otk::EventHandler::clientMessageHandler(e); if (e.format != 32) return; if (e.message_type == otk::Property::atoms.net_current_desktop) { changeDesktop(e.data.l[0]); } else if (e.message_type == otk::Property::atoms.net_number_of_desktops) { changeNumDesktops(e.data.l[0]); } else if (e.message_type == otk::Property::atoms.net_showing_desktop) { showDesktop(e.data.l[0] != 0); } } void Screen::mapRequestHandler(const XMapRequestEvent &e) { otk::EventHandler::mapRequestHandler(e); #ifdef DEBUG printf("MapRequest for 0x%lx\n", e.window); #endif // DEBUG Client *c = openbox->findClient(e.window); if (c) { #ifdef DEBUG printf("DEBUG: MAP REQUEST CAUGHT IN SCREEN. IGNORED.\n"); #endif } else { if (_showing_desktop) showDesktop(false); // leave showing-the-desktop mode manageWindow(e.window); } } } |