-// -*- mode: C++; indent-tabs-mode: nil; -*-
-// screen.cc for Epistophy - a key handler for NETWM/EWMH window managers.
+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+// screen.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
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
+/* A few comments about stacked cycling:
+ * When stacked cycling is turned on, the focused window is always at the top
+ * (front) of the list (_clients), EXCEPT for when we are in cycling mode.
+ * (_cycling is true) If we were to add the focused window to the top of the
+ * stack while we were cycling, we would end in a deadlock between 2 windows.
+ * When the modifiers are released, the window that has focus (but it's not
+ * at the top of the stack, since we are cycling) is placed at the top of the
+ * stack and raised.
+ * Hooray and Bummy. - Marius
+ */
+
#ifdef HAVE_CONFIG_H
# include "../../config.h"
#endif // HAVE_CONFIG_H
# include <sys/types.h>
# include <unistd.h>
#endif // HAVE_UNISTD_H
+
+#include <X11/keysym.h>
}
#include <iostream>
using std::dec;
using std::string;
-#include "../../src/BaseDisplay.hh"
-#include "../../src/XAtom.hh"
+#include "../../src/basedisplay.hh"
+#include "../../src/xatom.hh"
#include "screen.hh"
#include "epist.hh"
-
+#include "config.hh"
screen::screen(epist *epist, int number)
- : _clients(epist->clientsList()),
- _active(epist->activeWindow()) {
+ : _clients(epist->clientsList()), _active(epist->activeWindow()),
+ _config(epist->getConfig()), _grabbed(true), _cycling(false),
+ _stacked_cycling(false), _stacked_raise(false)
+{
_epist = epist;
_xatom = _epist->xatom();
_last_active = _clients.end();
_number = number;
_info = _epist->getScreenInfo(_number);
_root = _info->getRootWindow();
-
- cout << "root window on screen " << _number << ": 0x" << hex << _root <<
- dec << endl;
-
+
+ _config->getValue(Config::stackedCycling, _stacked_cycling);
+ if (_stacked_cycling)
+ _config->getValue(Config::stackedCyclingRaise, _stacked_raise);
+
// find a window manager supporting NETWM, waiting for it to load if we must
int count = 20; // try for 20 seconds
_managed = false;
while (! (_epist->doShutdown() || _managed || count <= 0)) {
if (! (_managed = findSupportingWM()))
- usleep(1000);
+ sleep(1);
--count;
}
if (_managed)
cout << "Found compatible window manager '" << _wm_name << "' for screen "
- << _number << ".\n";
+ << _number << ".\n";
else {
cout << "Unable to find a compatible window manager for screen " <<
_number << ".\n";
// root window
if (e.xproperty.atom == _xatom->getAtom(XAtom::net_number_of_desktops))
updateNumDesktops();
- if (e.xproperty.atom == _xatom->getAtom(XAtom::net_current_desktop))
+ else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_current_desktop))
updateActiveDesktop();
- if (e.xproperty.atom == _xatom->getAtom(XAtom::net_active_window))
+ else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_active_window))
updateActiveWindow();
- if (e.xproperty.atom == _xatom->getAtom(XAtom::net_client_list)) {
+ else if (e.xproperty.atom == _xatom->getAtom(XAtom::net_client_list)) {
// catch any window unmaps first
XEvent ev;
if (XCheckTypedWindowEvent(_epist->getXDisplay(), e.xany.window,
DestroyNotify, &ev) ||
XCheckTypedWindowEvent(_epist->getXDisplay(), e.xany.window,
UnmapNotify, &ev)) {
- processEvent(ev);
+
+ XWindow *win = _epist->findWindow(e.xany.window);
+ if (win) win->processEvent(ev);
}
updateClientList();
case KeyPress:
handleKeypress(e);
break;
+
+ case KeyRelease:
+ handleKeyrelease(e);
+ break;
+
+ default:
+ break;
}
}
void screen::handleKeypress(const XEvent &e) {
int scrolllockMask, numlockMask;
-
- ActionList::const_iterator it = _epist->actions().begin();
- ActionList::const_iterator end = _epist->actions().end();
-
_epist->getLockModifiers(numlockMask, scrolllockMask);
- for (; it != end; ++it) {
- unsigned int state = e.xkey.state & ~(LockMask|scrolllockMask|numlockMask);
+ // Mask out the lock modifiers. We want our keys to always work
+ // This should be made an option
+ unsigned int state = e.xkey.state & ~(LockMask|scrolllockMask|numlockMask);
+ keytree &ktree = _epist->getKeyTree();
+ const Action *it = ktree.getAction(e, state, this);
+
+ if (!it)
+ return;
+
+ switch (it->type()) {
+ case Action::nextScreen:
+ _epist->cycleScreen(_number, true);
+ return;
+
+ case Action::prevScreen:
+ _epist->cycleScreen(_number, false);
+ return;
+
+ case Action::nextWorkspace:
+ cycleWorkspace(true, it->number() != 0 ? it->number(): 1);
+ return;
+
+ case Action::prevWorkspace:
+ cycleWorkspace(false, it->number() != 0 ? it->number(): 1);
+ return;
+
+ case Action::nextWindow:
- if (e.xkey.keycode == it->keycode() &&
- state == it->modifierMask()) {
- switch (it->type()) {
- case Action::nextScreen:
- _epist->cycleScreen(_number, true);
- return;
+ cycleWindow(state, true, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::prevScreen:
- _epist->cycleScreen(_number, false);
- return;
+ case Action::prevWindow:
+ cycleWindow(state, false, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::nextWorkspace:
- cycleWorkspace(true);
- return;
+ case Action::nextWindowOnAllWorkspaces:
+ cycleWindow(state, true, it->number() != 0 ? it->number(): 1, false, true);
+ return;
- case Action::prevWorkspace:
- cycleWorkspace(false);
- return;
+ case Action::prevWindowOnAllWorkspaces:
+ cycleWindow(state, false, it->number() != 0 ? it->number(): 1, false, true);
+ return;
- case Action::nextWindow:
- cycleWindow(true);
- return;
+ case Action::nextWindowOnAllScreens:
+ cycleWindow(state, true, it->number() != 0 ? it->number(): 1, true);
+ return;
- case Action::prevWindow:
- cycleWindow(false);
- return;
+ case Action::prevWindowOnAllScreens:
+ cycleWindow(state, false, it->number() != 0 ? it->number(): 1, true);
+ return;
- case Action::nextWindowOnAllWorkspaces:
- cycleWindow(true, false, true);
- return;
+ case Action::nextWindowOfClass:
+ cycleWindow(state, true, it->number() != 0 ? it->number(): 1,
+ false, false, true, it->string());
+ return;
- case Action::prevWindowOnAllWorkspaces:
- cycleWindow(false, false, true);
- return;
+ case Action::prevWindowOfClass:
+ cycleWindow(state, false, it->number() != 0 ? it->number(): 1,
+ false, false, true, it->string());
+ return;
+
+ case Action::nextWindowOfClassOnAllWorkspaces:
+ cycleWindow(state, true, it->number() != 0 ? it->number(): 1,
+ false, true, true, it->string());
+ return;
+
+ case Action::prevWindowOfClassOnAllWorkspaces:
+ cycleWindow(state, false, it->number() != 0 ? it->number(): 1,
+ false, true, true, it->string());
+ return;
- case Action::nextWindowOnAllScreens:
- cycleWindow(true, true);
- return;
+ case Action::changeWorkspace:
+ changeWorkspace(it->number());
+ return;
- case Action::prevWindowOnAllScreens:
- cycleWindow(false, true);
- return;
+ case Action::upWorkspace:
+ changeWorkspaceVert(-1);
+ return;
- case Action::nextWindowOfClass:
- cycleWindow(true, false, false, true, it->string());
- return;
+ case Action::downWorkspace:
+ changeWorkspaceVert(1);
+ return;
- case Action::prevWindowOfClass:
- cycleWindow(false, false, false, true, it->string());
- return;
+ case Action::leftWorkspace:
+ changeWorkspaceHorz(-1);
+ return;
- case Action::nextWindowOfClassOnAllWorkspaces:
- cycleWindow(true, false, true, true, it->string());
- return;
+ case Action::rightWorkspace:
+ changeWorkspaceHorz(1);
+ return;
- case Action::prevWindowOfClassOnAllWorkspaces:
- cycleWindow(false, false, true, true, it->string());
- return;
+ case Action::execute:
+ execCommand(it->string());
+ return;
- case Action::changeWorkspace:
- changeWorkspace(it->number());
- return;
+ case Action::showRootMenu:
+ _xatom->sendClientMessage(rootWindow(), XAtom::openbox_show_root_menu,
+ None);
+ return;
- case Action::execute:
- execCommand(it->string());
- return;
+ case Action::showWorkspaceMenu:
+ _xatom->sendClientMessage(rootWindow(), XAtom::openbox_show_workspace_menu,
+ None);
+ return;
- default:
- break;
- }
+ case Action::toggleGrabs: {
+ if (_grabbed) {
+ ktree.ungrabDefaults(this);
+ _grabbed = false;
+ } else {
+ ktree.grabDefaults(this);
+ _grabbed = true;
+ }
+ return;
+ }
+
+ default:
+ break;
+ }
- // these actions require an active window
- if (_active != _clients.end()) {
- XWindow *window = *_active;
-
- switch (it->type()) {
- case Action::iconify:
- window->iconify();
- return;
-
- case Action::close:
- window->close();
- return;
-
- case Action::raise:
- window->raise();
- return;
-
- case Action::lower:
- window->lower();
- return;
-
- case Action::sendToWorkspace:
- window->sendTo(it->number());
- return;
-
- case Action::toggleomnipresent:
- if (window->desktop() == 0xffffffff)
- window->sendTo(_active_desktop);
- else
- window->sendTo(0xffffffff);
- return;
-
- case Action::moveWindowUp:
- window->move(window->x(), window->y() - it->number());
- return;
+ // these actions require an active window
+ if (_active != _clients.end()) {
+ XWindow *window = *_active;
- case Action::moveWindowDown:
- window->move(window->x(), window->y() + it->number());
- return;
+ switch (it->type()) {
+ case Action::iconify:
+ window->iconify();
+ return;
+
+ case Action::close:
+ window->close();
+ return;
+
+ case Action::raise:
+ window->raise();
+ return;
+
+ case Action::lower:
+ window->lower();
+ return;
+
+ case Action::sendToWorkspace:
+ window->sendTo(it->number());
+ return;
+
+ case Action::toggleOmnipresent:
+ if (window->desktop() == 0xffffffff)
+ window->sendTo(_active_desktop);
+ else
+ window->sendTo(0xffffffff);
+ return;
+
+ case Action::moveWindowUp:
+ window->move(window->x(), window->y() -
+ (it->number() != 0 ? it->number(): 1));
+ return;
- case Action::moveWindowLeft:
- window->move(window->x() - it->number(), window->y());
- return;
+ case Action::moveWindowDown:
+ window->move(window->x(), window->y() +
+ (it->number() != 0 ? it->number(): 1));
+ return;
- case Action::moveWindowRight:
- window->move(window->x() + it->number(), window->y());
- return;
+ case Action::moveWindowLeft:
+ window->move(window->x() - (it->number() != 0 ? it->number(): 1),
+ window->y());
+ return;
- case Action::resizeWindowWidth:
- window->resize(window->width() + it->number(), window->height());
- return;
+ case Action::moveWindowRight:
+ window->move(window->x() + (it->number() != 0 ? it->number(): 1),
+ window->y());
+ return;
- case Action::resizeWindowHeight:
- window->resize(window->width(), window->height() + it->number());
- return;
+ case Action::resizeWindowWidth:
+ window->resizeRel(it->number(), 0);
+ return;
- case Action::toggleshade:
- window->shade(! window->shaded());
- return;
+ case Action::resizeWindowHeight:
+ window->resizeRel(0, it->number());
+ return;
- case Action::toggleMaximizeHorizontal:
- window->toggleMaximize(XWindow::Max_Horz);
- return;
+ case Action::toggleShade:
+ window->shade(! window->shaded());
+ return;
- case Action::toggleMaximizeVertical:
- window->toggleMaximize(XWindow::Max_Vert);
- return;
+ case Action::toggleMaximizeHorizontal:
+ window->toggleMaximize(XWindow::Max_Horz);
+ return;
- case Action::toggleMaximizeFull:
- window->toggleMaximize(XWindow::Max_Full);
- return;
+ case Action::toggleMaximizeVertical:
+ window->toggleMaximize(XWindow::Max_Vert);
+ return;
- default:
- assert(false); // unhandled action type!
- break;
- }
- }
+ case Action::toggleMaximizeFull:
+ window->toggleMaximize(XWindow::Max_Full);
+ return;
+
+ case Action::toggleDecorations:
+ window->decorate(! window->decorated());
+ return;
+
+ default:
+ assert(false); // unhandled action type!
+ break;
}
}
}
+
+void screen::handleKeyrelease(const XEvent &) {
+ // the only keyrelease event we care about (for now) is when we do stacked
+ // cycling and the modifier is released
+ if (_stacked_cycling && _cycling && nothingIsPressed()) {
+ // all modifiers have been released. ungrab the keyboard, move the
+ // focused window to the top of the Z-order and raise it
+ ungrabModifiers();
+
+ if (_active != _clients.end()) {
+ XWindow *w = *_active;
+ bool e = _last_active == _active;
+ _clients.remove(w);
+ _clients.push_front(w);
+ _active = _clients.begin();
+ if (e) _last_active = _active;
+ w->raise();
+ }
+
+ _cycling = false;
+ }
+}
+
+
// do we want to add this window to our list?
bool screen::doAddWindow(Window window) const {
assert(_managed);
const WindowList::iterator 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])
if (it == end) { // didn't already exist
if (doAddWindow(rootclients[i])) {
// cout << "Added window: 0x" << hex << rootclients[i] << dec << endl;
+ // insert new clients after the active window
_clients.insert(insert_point, new XWindow(_epist, this,
rootclients[i]));
}
if (**it2 == rootclients[i])
break;
if (i == num) { // no longer exists
-// cout << "Removed window: 0x" << hex << (*it2)->window() << dec << endl;
+ // cout << "Removed window: 0x" << hex << (*it2)->window() << dec << endl;
// watch for the active and last-active window
if (it2 == _active)
_active = _clients.end();
// find a window if one exists
WindowList::const_iterator it, end = _clients.end();
for (it = _clients.begin(); it != end; ++it)
- if ((*it)->getScreen() == this)
+ if ((*it)->getScreen() == this && ! (*it)->iconic() &&
+ (*it)->canFocus() &&
+ ((*it)->desktop() == 0xffffffff ||
+ (*it)->desktop() == _active_desktop))
return *it;
// no windows on this screen
break;
}
}
+
_active = it;
- _last_active = it;
-/* cout << "Active window is now: ";
- if (_active == _clients.end()) cout << "None\n";
- else cout << "0x" << hex << (*_active)->window() << dec << endl;
-*/
+ if (_active != end) {
+ /* if we're not cycling and a window gets focus, add it to the top of the
+ * cycle stack.
+ */
+ if (_stacked_cycling && !_cycling) {
+ XWindow *win = *_active;
+ _clients.remove(win);
+ _clients.push_front(win);
+ _active = _clients.begin();
+
+ _last_active = _active;
+ }
+ }
+
+ /* cout << "Active window is now: ";
+ if (_active == _clients.end()) cout << "None\n";
+ else cout << "0x" << hex << (*_active)->window() << dec << endl;
+ */
}
void screen::execCommand(const string &cmd) const {
pid_t pid;
if ((pid = fork()) == 0) {
- extern char **environ;
-
- char *const argv[] = {
- "sh",
- "-c",
- const_cast<char *>(cmd.c_str()),
- 0
- };
+ // disconnect the child from epist's session and the tty
+ if (setsid() == -1) {
+ cout << "warning: could not start a new process group\n";
+ perror("setsid");
+ }
+
// make the command run on the correct screen
if (putenv(const_cast<char*>(_info->displayString().c_str()))) {
cout << "warning: couldn't set environment variable 'DISPLAY'\n";
perror("putenv()");
}
- execve("/bin/sh", argv, environ);
- exit(127);
+ execl("/bin/sh", "sh", "-c", cmd.c_str(), NULL);
+ exit(-1);
} else if (pid == -1) {
cout << _epist->getApplicationName() <<
": Could not fork a process for executing a command\n";
}
-void screen::cycleWindow(const bool forward, const bool allscreens,
+void screen::cycleWindow(unsigned int state, const bool forward,
+ const int increment, const bool allscreens,
const bool alldesktops, const bool sameclass,
- const string &cn) const {
+ const string &cn)
+{
assert(_managed);
+ assert(increment > 0);
if (_clients.empty()) return;
-
+
string classname(cn);
if (sameclass && classname.empty() && _active != _clients.end())
classname = (*_active)->appClass();
WindowList::const_iterator target = _active,
- first = _active,
- begin = _clients.begin(),
- end = _clients.end();
-
- do {
- if (forward) {
- if (target == end) {
- target = begin;
- } else {
- ++target;
- if (target == end)
+ begin = _clients.begin(),
+ end = _clients.end();
+
+ XWindow *t = 0;
+
+ for (int x = 0; x < increment; ++x) {
+ while (1) {
+ if (forward) {
+ if (target == end) {
target = begin;
+ } else {
+ ++target;
+ }
+ } else {
+ if (target == begin)
+ target = end;
+ --target;
}
- } else {
- if (target == begin)
- target = end;
- --target;
+
+ // must be no window to focus
+ if (target == _active)
+ return;
+
+ // start back at the beginning of the loop
+ if (target == end)
+ continue;
+
+ // determine if this window is invalid for cycling to
+ t = *target;
+ if (t->iconic()) continue;
+ if (! allscreens && t->getScreen() != this) continue;
+ if (! alldesktops && ! (t->desktop() == _active_desktop ||
+ t->desktop() == 0xffffffff)) continue;
+ if (sameclass && ! classname.empty() &&
+ t->appClass() != classname) continue;
+ if (! t->canFocus()) continue;
+
+ // found a good window so break out of the while, and perhaps continue
+ // with the for loop
+ break;
}
+ }
- // must be no window to focus
- if (target == first)
- return;
- } while ((*target)->iconic() ||
- (! allscreens && (*target)->getScreen() != this) ||
- (! alldesktops && (*target)->desktop() != _active_desktop) ||
- (sameclass && ! classname.empty() &&
- (*target)->appClass() != classname));
-
- if (target != _clients.end())
- (*target)->focus();
+ // phew. we found the window, so focus it.
+ if (_stacked_cycling && state) {
+ if (!_cycling) {
+ // grab modifiers so we can intercept KeyReleases from them
+ grabModifiers();
+ _cycling = true;
+ }
+
+ // if the window is on another desktop, we can't use XSetInputFocus, since
+ // it doesn't imply a workspace change.
+ if (_stacked_raise || (t->desktop() != _active_desktop &&
+ t->desktop() != 0xffffffff))
+ t->focus(); // raise
+ else
+ t->focus(false); // don't raise
+ }
+ else {
+ t->focus();
+ }
}
-void screen::cycleWorkspace(const bool forward, const bool loop) const {
+void screen::cycleWorkspace(const bool forward, const int increment,
+ const bool loop) const {
assert(_managed);
+ assert(increment > 0);
unsigned int destination = _active_desktop;
- if (forward) {
- if (destination < _num_desktops - 1)
- ++destination;
- else if (loop)
- destination = 0;
- } else {
- if (destination > 0)
- --destination;
- else if (loop)
- destination = _num_desktops - 1;
+ for (int x = 0; x < increment; ++x) {
+ if (forward) {
+ if (destination < _num_desktops - 1)
+ ++destination;
+ else if (loop)
+ destination = 0;
+ } else {
+ if (destination > 0)
+ --destination;
+ else if (loop)
+ destination = _num_desktops - 1;
+ }
}
if (destination != _active_desktop)
_xatom->sendClientMessage(_root, XAtom::net_current_desktop, _root, num);
}
+void screen::changeWorkspaceVert(const int num) const {
+ assert(_managed);
+ int width = 0;
+ int num_desktops = (signed)_num_desktops;
+ int active_desktop = (signed)_active_desktop;
+ int wnum = 0;
+
+ _config->getValue(Config::workspaceColumns, width);
+
+ if (width > num_desktops || width <= 0)
+ return;
+
+ // a cookie to the person that makes this pretty
+ if (num < 0) {
+ wnum = active_desktop - width;
+ if (wnum < 0) {
+ wnum = num_desktops/width * width + active_desktop;
+ if (wnum >= num_desktops)
+ wnum = num_desktops - 1;
+ }
+ }
+ else {
+ wnum = active_desktop + width;
+ if (wnum >= num_desktops) {
+ wnum = (active_desktop + width) % num_desktops - 1;
+ if (wnum < 0)
+ wnum = 0;
+ }
+ }
+ changeWorkspace(wnum);
+}
+
+void screen::changeWorkspaceHorz(const int num) const {
+ assert(_managed);
+ int width = 0;
+ int num_desktops = (signed)_num_desktops;
+ int active_desktop = (signed)_active_desktop;
+ int wnum = 0;
+
+ _config->getValue(Config::workspaceColumns, width);
+
+ if (width > num_desktops || width <= 0)
+ return;
+
+ if (num < 0) {
+ if (active_desktop % width != 0)
+ changeWorkspace(active_desktop - 1);
+ else {
+ wnum = active_desktop + width - 1;
+ if (wnum >= num_desktops)
+ wnum = num_desktops - 1;
+ }
+ }
+ else {
+ if (active_desktop % width != width - 1) {
+ wnum = active_desktop + 1;
+ if (wnum >= num_desktops)
+ wnum = num_desktops / width * width;
+ }
+ else
+ wnum = active_desktop - width + 1;
+ }
+ changeWorkspace(wnum);
+}
+
void screen::grabKey(const KeyCode keyCode, const int modifierMask) const {
Display *display = _epist->getXDisplay();
modifierMask|numlockMask|LockMask|scrolllockMask,
_root, True, GrabModeAsync, GrabModeAsync);
}
+
+void screen::ungrabKey(const KeyCode keyCode, const int modifierMask) const {
+
+ Display *display = _epist->getXDisplay();
+ int numlockMask, scrolllockMask;
+
+ _epist->getLockModifiers(numlockMask, scrolllockMask);
+
+ XUngrabKey(display, keyCode, modifierMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|LockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|scrolllockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|numlockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|LockMask|scrolllockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|scrolllockMask|numlockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|numlockMask|LockMask, _root);
+ XUngrabKey(display, keyCode, modifierMask|numlockMask|LockMask|
+ scrolllockMask, _root);
+}
+
+
+void screen::grabModifiers() const {
+ Display *display = _epist->getXDisplay();
+
+ XGrabKeyboard(display, rootWindow(), True, GrabModeAsync,
+ GrabModeAsync, CurrentTime);
+}
+
+
+void screen::ungrabModifiers() const {
+ Display *display = _epist->getXDisplay();
+
+ XUngrabKeyboard(display, CurrentTime);
+}
+
+
+bool screen::nothingIsPressed(void) const
+{
+ char keys[32];
+ XQueryKeymap(_epist->getXDisplay(), keys);
+
+ for (int i = 0; i < 32; ++i) {
+ if (keys[i] != 0)
+ return false;
+ }
+
+ return true;
+}
projects / chaz / openbox / blobdiff