util/epist/epist.cc (raw)
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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*- // epist.cc for Epistrophy - a key handler for NETWM/EWMH window managers. // Copyright (c) 2002 - 2002 Ben Jansens <ben at orodu.net> // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. #ifdef HAVE_CONFIG_H # include "../../config.h" #endif // HAVE_CONFIG_H extern "C" { #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif // HAVE_UNISTD_H #ifdef HAVE_STDLIB_H # include <stdlib.h> #endif // HAVE_STDLIB_H #ifdef HAVE_SIGNAL_H # include <signal.h> #endif // HAVE_SIGNAL_H #ifdef HAVE_LIBGEN_H # include <libgen.h> #endif // HAVE_LIBGEN_H #ifdef HAVE_UNISTD_H # include <sys/types.h> # include <unistd.h> #endif // HAVE_UNISTD_H #ifdef HAVE_SYS_STAT_H # include <sys/types.h> # include <sys/stat.h> #endif // HAVE_SYS_STAT_H } #include <iostream> #include <string> using std::cout; using std::endl; using std::string; #include "actions.hh" #include "epist.hh" #include "screen.hh" #include "window.hh" #include "parser.hh" #include "../../src/xatom.hh" epist::epist(char **argv, char *dpy_name, char *rc_file) : BaseDisplay(argv[0], dpy_name) { _argv = argv; if (rc_file) _rc_file = rc_file; else _rc_file = expandTilde("~/.openbox/epistrc"); struct stat buf; if (0 != stat(_rc_file.c_str(), &buf) || !S_ISREG(buf.st_mode)) _rc_file = DEFAULTRC; _xatom = new XAtom(getXDisplay()); _active = _clients.end(); _config = new Config; _ktree = new keytree(getXDisplay(), this); // set up the key tree parser p(_ktree, _config); p.parse(_rc_file); for (unsigned int i = 0; i < getNumberOfScreens(); ++i) { screen *s = new screen(this, i); if (s->managed()) { _screens.push_back(s); s->updateEverything(); } } if (_screens.empty()) { cout << "No compatible window manager found on any screens. Aborting.\n"; ::exit(1); } activateGrabs(); } epist::~epist() { delete _xatom; } void epist::activateGrabs() { ScreenList::const_iterator scrit, scrend = _screens.end(); for (scrit = _screens.begin(); scrit != scrend; ++scrit) _ktree->grabDefaults(*scrit); } bool epist::handleSignal(int sig) { switch (sig) { case SIGHUP: { cout << "epist: Restarting on request.\n"; execvp(_argv[0], _argv); string base(basename(_argv[0])); execvp(base.c_str(), _argv); return false; // this should be unreachable } case SIGTERM: case SIGINT: case SIGPIPE: shutdown(); return true; } return false; } void epist::process_event(XEvent *e) { ScreenList::const_iterator it, end = _screens.end(); for (it = _screens.begin(); it != end; ++it) { if ((*it)->rootWindow() == e->xany.window) { (*it)->processEvent(*e); return; } } // wasnt a root window, try for client windows XWindow *w = findWindow(e->xany.window); if (w) w->processEvent(*e); } void epist::addWindow(XWindow *window) { _windows.insert(WindowLookupPair(window->window(), window)); } void epist::removeWindow(XWindow *window) { _windows.erase(window->window()); } XWindow *epist::findWindow(Window window) const { WindowLookup::const_iterator it = _windows.find(window); if (it != _windows.end()) return it->second; return 0; } void epist::cycleScreen(int current, bool forward) const { unsigned int i; for (i = 0; i < _screens.size(); ++i) if (_screens[i]->number() == current) { current = i; break; } assert(i < _screens.size()); // current is for an unmanaged screen int dest = current + (forward ? 1 : -1); if (dest < 0) dest = (signed)_screens.size() - 1; else if (dest >= (signed)_screens.size()) dest = 0; const XWindow *target = _screens[dest]->lastActiveWindow(); if (target) target->focus(); } |