// -*- mode: C++; indent-tabs-mode: nil; -*-
-// main.cc for Epistory - a key handler for NETWM/EWMH window managers.
+// epist.cc for Epistory - 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
#endif // HAVE_CONFIG_H
extern "C" {
-#include <X11/Xlib.h>
-
#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_SYS_SIGNAL_H
-# include <sys/signal.h>
-#endif // HAVE_SYS_SIGNAL_H
-
#ifdef HAVE_LIBGEN_H
# include <libgen.h>
#endif // HAVE_LIBGEN_H
}
#include <iostream>
+#include <string>
using std::cout;
using std::endl;
+using std::string;
+
+#include "epist.hh"
+#include "process.hh"
+#include "../../src/XAtom.hh"
bool _shutdown = false;
char **_argv;
char *_display_name = 0;
Display *_display = 0;
+Window _root = None;
+XAtom *_xatom;
+
#ifdef HAVE_SIGACTION
static void signalhandler(int sig)
{
switch (sig) {
case SIGSEGV:
- cout << "Segmentation fault. Aborting and dumping core.\n";
+ cout << "epist: Segmentation fault. Aborting and dumping core.\n";
abort();
case SIGHUP:
- cout << "Restarting on request.\n";
+ cout << "epist: Restarting on request.\n";
execvp(_argv[0], _argv);
execvp(basename(_argv[0]), _argv);
}
}
-int main(int, char **argv) {
+void parseCommandLine(int argc, char **argv) {
_argv = argv;
+ for (int i = 1; i < argc; ++i) {
+ if (string(argv[i]) == "-display") {
+ if (++i >= argc) {
+ cout << "error:: '-display' requires an argument\n";
+ exit(1);
+ }
+ _display_name = argv[i];
+
+ string dtmp = (string)"DISPLAY=" + _display_name;
+ if (putenv(const_cast<char*>(dtmp.c_str()))) {
+ cout << "warning: couldn't set environment variable 'DISPLAY'\n";
+ perror("putenv()");
+ }
+ }
+ }
+}
+
+
+bool findSupportingWM() {
+ Window support_win;
+ if (! _xatom->getValue(_root, XAtom::net_supporting_wm_check, XAtom::window,
+ support_win) || support_win == None)
+ return false;
+
+ string title;
+ _xatom->getValue(support_win, XAtom::net_wm_name, XAtom::utf8, title);
+ cout << "Found compatible window manager: " << title << endl;
+ return true;
+}
+
+
+int main(int argc, char **argv) {
#ifdef HAVE_SIGACTION
struct sigaction action;
signal(SIGHUP, (RETSIGTYPE (*)(int)) signalhandler);
#endif // HAVE_SIGACTION
+ parseCommandLine(argc, argv);
+
_display = XOpenDisplay(_display_name);
if (! _display) {
cout << "Connection to X server '" << _display_name << "' failed.\n";
return 1;
}
+ _root = RootWindow(_display, DefaultScreen(_display));
+ _xatom = new XAtom(_display);
+
+ XSelectInput(_display, _root, PropertyChangeMask);
+ // find a window manager supporting NETWM, waiting for it to load if we must
+ while (! (_shutdown || findSupportingWM()));
+
+ if (! _shutdown) {
+ updateClientList();
+ updateActiveWindow();
+ }
+
while (! _shutdown) {
- usleep(500);
+ if (XPending(_display)) {
+ XEvent e;
+ XNextEvent(_display, &e);
+ processEvent(e);
+ } else {
+ usleep(300);
+ }
}
+ delete _xatom;
XCloseDisplay(_display);
return 0;
}
--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// epist.hh for Epistory - 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.
+
+#ifndef __epist_hh
+#define __epist_hh
+
+extern "C" {
+#include <X11/Xlib.h>
+}
+
+class XAtom;
+
+extern bool _shutdown;
+extern Display *_display;
+extern Window _root;
+extern XAtom *_xatom;
+
+#endif // __epist_hh
--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// process.cc for Epistory - 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.
+
+#include "process.hh"
+#include "epist.hh"
+#include "window.hh"
+
+#ifdef HAVE_CONFIG_H
+# include "../../config.h"
+#endif // HAVE_CONFIG_H
+
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "../../src/XAtom.hh"
+
+WindowList _clients;
+WindowList::iterator _active = _clients.end();
+
+void processEvent(const XEvent &e) {
+ switch (e.type) {
+ case PropertyNotify:
+ if (e.xproperty.atom == _xatom->getAtom(XAtom::net_active_window))
+ updateActiveWindow();
+ if (e.xproperty.atom == _xatom->getAtom(XAtom::net_client_list))
+ updateClientList();
+ break;
+ }
+}
+
+
+void updateClientList() {
+ WindowList::iterator insert_point = _active;
+ if (insert_point != _clients.end())
+ ++insert_point; // get to the item client the focused client
+
+ // get the client list from the root window
+ Window *rootclients = 0;
+ unsigned long num = (unsigned) -1;
+ if (! _xatom->getValue(_root, XAtom::net_client_list, XAtom::window, num,
+ &rootclients)) {
+ _clients.clear(); // no clients left
+ if (rootclients) delete [] rootclients;
+ return;
+ }
+
+ WindowList::iterator it, end = _clients.end();
+ unsigned long i;
+
+ // insert new clients after the active window
+ for (i = 0; i < num; ++i) {
+ for (it = _clients.begin(); it != end; ++it)
+ if (*it == rootclients[i])
+ break;
+ if (it == end) { // didn't already exist
+ _clients.insert(insert_point, rootclients[i]);
+ cout << "Added window: " << rootclients[i] << endl;
+ }
+ }
+
+ // remove clients that no longer exist
+ for (it = _clients.begin(); it != end;) {
+ WindowList::iterator it2 = it++;
+ for (i = 0; i < num; ++i)
+ if (*it2 == rootclients[i])
+ break;
+ if (i == num) { // no longer exists
+ _clients.erase(it2);
+ cout << "Removed window: " << it2->window() << endl;
+ }
+ }
+
+ if (rootclients) delete [] rootclients;
+}
+
+
+void updateActiveWindow() {
+ Window a = None;
+ _xatom->getValue(_root, XAtom::net_active_window, XAtom::window, a);
+
+ WindowList::iterator it, end = _clients.end();
+ for (it = _clients.begin(); it != end; ++it) {
+ if (*it == a)
+ break;
+ }
+ _active = it;
+
+ cout << "Active window is now: ";
+ if (_active == _clients.end()) cout << "None\n";
+ else cout << _active->window() << endl;
+}
--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// process.hh for Epistory - 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.
+
+#ifndef __process_hh
+#define __process_hh
+
+extern "C" {
+#include "X11/Xlib.h"
+}
+
+void processEvent(const XEvent &e);
+void updateClientList();
+void updateActiveWindow();
+
+#endif // __process_hh
--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// window.cc for Epistory - 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
+
+#include "window.hh"
+
+
+XWindow::XWindow(Window window) : _window(window) {
+}
+
+
+XWindow::~XWindow() {
+}
+
+
--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// window.hh for Epistory - 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.
+
+#ifndef __window_hh
+#define __window_hh
+
+extern "C" {
+#include <X11/Xlib.h>
+}
+
+#include <list>
+
+class XWindow;
+
+typedef std::list<XWindow> WindowList;
+
+class XWindow {
+private:
+ Window _window;
+ unsigned int _desktop;
+ bool _shaded;
+ bool _iconic;
+ bool _max_vert;
+ bool _max_horz;
+
+public:
+ XWindow(Window window);
+ virtual ~XWindow();
+
+ inline Window window() const { return _window; }
+ inline unsigned int desktop() const { return _desktop; }
+ inline bool shaded() const { return _shaded; }
+ inline bool iconic() const { return _iconic; }
+ inline bool maxVert() const { return _max_vert; }
+ inline bool maxHorz() const { return _max_horz; }
+
+ bool operator == (const XWindow &w) const { return w._window == _window; }
+ bool operator == (const Window &w) const { return w == _window; }
+};
+
+#endif // __window_hh
projects / chaz / openbox / commitdiff
