src/screen.cc (raw)
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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- #ifdef HAVE_CONFIG_H # include "../config.h" #endif extern "C" { #ifdef HAVE_STDIO_H # include <stdio.h> #endif // HAVE_STDIO_H #ifdef HAVE_STRING_H # include <string.h> #endif // HAVE_STRING_H #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif // HAVE_UNISTD_H #include "gettext.h" #define _(str) gettext(str) } #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 <vector> #include <algorithm> 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) : WidgetBase(WidgetBase::Type_Root), _number(screen), _style(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 printf(_("Managing screen %d: visual 0x%lx, depth %d\n"), _number, XVisualIDFromVisual(_info->visual()), _info->depth()); 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); // XXX: initialize the screen's style /* otk::ustring stylepath; python_get_string("theme", &stylepath); otk::Configuration sconfig(false); sconfig.setFile(otk::expandTilde(stylepath.c_str())); if (!sconfig.load()) { sconfig.setFile(otk::expandTilde(DEFAULTSTYLE)); if (!sconfig.load()) { printf(_("Unable to load default style: %s. Aborting.\n"), DEFAULTSTYLE); ::exit(1); } } _style.load(sconfig); */ // set up notification of netwm support changeSupportedAtoms(); // Set the netwm properties for geometry unsigned long geometry[] = { _info->width(), _info->height() }; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_desktop_geometry, otk::Property::atoms.cardinal, geometry, 2); // Set the net_desktop_names property std::vector<otk::ustring> names; python_get_stringlist("desktop_names", &names); otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_desktop_names, otk::Property::utf8, names); // the above set() will cause the updateDesktopNames to fire right away so // we have a list of desktop names if (!python_get_long("number_of_desktops", &_num_desktops)) _num_desktops = 1; changeNumDesktops(_num_desktops); // set the hint _desktop = 0; changeDesktop(0); // set the hint // 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 calcArea(); // initialize the available working area // 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, EventShutdown, 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, EventShutdown, 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::updateStrut() { _strut.left = _strut.right = _strut.top = _strut.bottom = 0; Client::List::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { const otk::Strut &s = (*it)->strut(); _strut.left = std::max(_strut.left, s.left); _strut.right = std::max(_strut.right, s.right); _strut.top = std::max(_strut.top, s.top); _strut.bottom = std::max(_strut.bottom, s.bottom); } calcArea(); } void Screen::calcArea() { otk::Rect old_area = _area; /* #ifdef XINERAMA // reset to the full areas if (isXineramaActive()) xineramaUsableArea = getXineramaAreas(); #endif // XINERAMA */ _area.setRect(_strut.left, _strut.top, _info->width() - (_strut.left + _strut.right), _info->height() - (_strut.top + _strut.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) // XXX: re-maximize windows changeWorkArea(); } 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_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; Client::List::const_iterator it = clients.begin(); const Client::List::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; Client::List::const_reverse_iterator it = _stacking.rbegin(); const Client::List::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::changeWorkArea() { unsigned long *dims = new unsigned long[4 * _num_desktops]; for (long i = 0; i < _num_desktops; ++i) { // XXX: this could be different for each workspace dims[(i * 4) + 0] = _area.x(); dims[(i * 4) + 1] = _area.y(); dims[(i * 4) + 2] = _area.width(); dims[(i * 4) + 3] = _area.height(); } otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_workarea, otk::Property::atoms.cardinal, dims, 4 * _num_desktops); delete [] dims; } void Screen::manageWindow(Window window) { Client *client = 0; XWMHints *wmhint; XSetWindowAttributes attrib_set; otk::display->grab(); // 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, &_style); // add to the wm's map openbox->addClient(client->frame->window(), client); openbox->addClient(client->frame->plate(), client); openbox->addClient(client->frame->titlebar(), client); openbox->addClient(client->frame->label(), client); openbox->addClient(client->frame->button_max(), client); openbox->addClient(client->frame->button_iconify(), client); openbox->addClient(client->frame->button_stick(), client); openbox->addClient(client->frame->button_close(), client); openbox->addClient(client->frame->handle(), client); openbox->addClient(client->frame->grip_left(), client); openbox->addClient(client->frame->grip_right(), client); // reparent the client to the frame client->frame->grabClient(); if (!(openbox->state() == Openbox::State_Starting || client->positionRequested())) { // position the window intelligenty .. hopefully :) // call the python PLACEWINDOW binding EventData data(_number, client, EventPlaceWindow, 0); openbox->bindings()->fireEvent(&data); } // if on the current desktop.. (or all desktops) if (client->desktop() == _desktop || client->desktop() == (signed)0xffffffff) { client->frame->show(); } client->applyStartupState(); otk::display->ungrab(); // add to the screen's list clients.push_back(client); // 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); // call the python NEWWINDOW binding EventData data(_number, client, EventNewWindow, 0); openbox->bindings()->fireEvent(&data); #ifdef DEBUG printf("Managed window 0x%lx\n", window); #endif } void Screen::unmanageWindow(Client *client) { Frame *frame = client->frame; // call the python CLOSEWINDOW binding EventData data(_number, client, EventCloseWindow, 0); openbox->bindings()->fireEvent(&data); openbox->bindings()->grabButtons(false, client); // remove from the wm's map openbox->removeClient(client->window()); openbox->removeClient(frame->window()); openbox->removeClient(frame->plate()); openbox->removeClient(frame->titlebar()); openbox->removeClient(frame->label()); openbox->removeClient(frame->button_max()); openbox->removeClient(frame->button_iconify()); openbox->removeClient(frame->button_stick()); openbox->removeClient(frame->button_close()); openbox->removeClient(frame->handle()); openbox->removeClient(frame->grip_left()); openbox->removeClient(frame->grip_right()); // 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(); delete client->frame; client->frame = 0; // remove from the stacking order _stacking.remove(client); // remove from the screen's list clients.remove(client); // unfocus the client (calls the focus callbacks) client->unfocus(); #ifdef DEBUG printf("Unmanaged window 0x%lx\n", client->window()); #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 Client::List::iterator it = --_stacking.end(); const Client::List::iterator end = _stacking.begin(); 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 // remove the client before looking so we can't run into ourselves _stacking.remove(client); Client::List::iterator it = _stacking.begin(); const Client::List::iterator end = _stacking.end(); // the stacking list is from highest to lowest for (; it != end && (*it)->layer() > client->layer(); ++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 : ((*(--Client::List::const_iterator(it)))->frame->window())); wins[1] = client->frame->window(); _stacking.insert(it, client); XRestackWindows(**otk::display, wins, 2); changeStackingList(); } void Screen::changeDesktop(long desktop) { if (!(desktop >= 0 && desktop < _num_desktops)) return; printf("Moving to desktop %ld\n", desktop); long old = _desktop; _desktop = desktop; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_current_desktop, otk::Property::atoms.cardinal, _desktop); if (old == _desktop) return; Client::List::iterator it, end = clients.end(); for (it = clients.begin(); it != end; ++it) { if ((*it)->desktop() == old) { (*it)->frame->hide(); } else if ((*it)->desktop() == _desktop) { (*it)->frame->show(); } } // force the callbacks to fire if (!openbox->focusedClient()) openbox->setFocusedClient(0); } void Screen::changeNumDesktops(long num) { assert(num > 0); if (!(num > 0)) return; // XXX: move windows on desktops that will no longer exist! _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; // update the work area hint changeWorkArea(); } void Screen::updateDesktopNames() { unsigned long num = (unsigned) -1; if (!otk::Property::get(_info->rootWindow(), otk::Property::atoms.net_desktop_names, otk::Property::utf8, &num, &_desktop_names)) _desktop_names.clear(); while ((long)_desktop_names.size() < _num_desktops) _desktop_names.push_back("Unnamed"); } void Screen::setDesktopName(long i, const otk::ustring &name) { assert(i >= 0); if (i >= _num_desktops) return; otk::Property::StringVect newnames = _desktop_names; newnames[i] = name; otk::Property::set(_info->rootWindow(), otk::Property::atoms.net_desktop_names, otk::Property::utf8, newnames); } void Screen::propertyHandler(const XPropertyEvent &e) { otk::EventHandler::propertyHandler(e); // compress changes to a single property into a single change XEvent ce; while (XCheckTypedEvent(**otk::display, 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(); } 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]); } // XXX: so many client messages to handle here! ..or not.. they go to clients } void Screen::mapRequestHandler(const XMapRequestEvent &e) { otk::EventHandler::mapRequestHandler(e); #ifdef DEBUG printf("MapRequest for 0x%lx\n", e.window); #endif // DEBUG /* MapRequest events come here even after the window exists instead of going right to the client window, because of how they are sent and their struct layout. */ Client *c = openbox->findClient(e.window); if (c) { // send a net_active_window message XEvent ce; ce.xclient.type = ClientMessage; ce.xclient.message_type = otk::Property::atoms.net_active_window; ce.xclient.display = **otk::display; ce.xclient.window = c->window(); ce.xclient.format = 32; ce.xclient.data.l[0] = 0l; ce.xclient.data.l[1] = 0l; ce.xclient.data.l[2] = 0l; ce.xclient.data.l[3] = 0l; ce.xclient.data.l[4] = 0l; XSendEvent(**otk::display, _info->rootWindow(), false, SubstructureRedirectMask | SubstructureNotifyMask, &ce); } else manageWindow(e.window); } } |