-// -*- 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
#endif // HAVE_CONFIG_H
extern "C" {
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
+#endif // HAVE_STDIO_H
+
#ifdef HAVE_UNISTD_H
# include <sys/types.h>
# include <unistd.h>
using std::dec;
using std::string;
+#include "../../src/BaseDisplay.hh"
#include "../../src/XAtom.hh"
#include "screen.hh"
#include "epist.hh"
+#include "config.hh"
-
-screen::screen(epist *epist, int number) {
+screen::screen(epist *epist, int number)
+ : _clients(epist->clientsList()),
+ _active(epist->activeWindow()) {
_epist = epist;
_xatom = _epist->xatom();
+ _last_active = _clients.end();
_number = number;
- _active = _clients.end();
- _root = RootWindow(_epist->getXDisplay(), _number);
-
+ _info = _epist->getScreenInfo(_number);
+ _root = _info->getRootWindow();
+
// 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";
}
XSelectInput(_epist->getXDisplay(), _root, PropertyChangeMask);
-
- updateNumDesktops();
- updateActiveDesktop();
- updateClientList();
- updateActiveWindow();
}
-
screen::~screen() {
if (_managed)
XSelectInput(_epist->getXDisplay(), _root, None);
assert(_managed);
assert(e.xany.window == _root);
- XWindow *window = 0;
- if (e.xany.window != _root) {
- window = findWindow(e); // find the window
- assert(window); // we caught an event for a window we don't know about!?
- }
-
switch (e.type) {
case PropertyNotify:
// root window
}
void screen::handleKeypress(const XEvent &e) {
- ActionList::const_iterator it = _epist->actions().begin();
- ActionList::const_iterator end = _epist->actions().end();
- for (; it != end; ++it) {
- if (e.xkey.keycode == it->keycode() &&
- e.xkey.state == it->modifierMask()) {
- switch (it->type()) {
- case Action::nextWorkspace:
- cycleWorkspace(true);
- return;
+ int scrolllockMask, numlockMask;
+ _epist->getLockModifiers(numlockMask, scrolllockMask);
+
+ // 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);
+ const Action *it = _epist->getKeyTree().getAction(e, state, this);
+
+ if (!it)
+ return;
- case Action::prevWorkspace:
- cycleWorkspace(false);
- return;
+ switch (it->type()) {
+ case Action::nextScreen:
+ _epist->cycleScreen(_number, true);
+ return;
- case Action::nextWindow:
- cycleWindow(true);
- return;
+ case Action::prevScreen:
+ _epist->cycleScreen(_number, false);
+ return;
- case Action::prevWindow:
- cycleWindow(false);
- return;
+ case Action::nextWorkspace:
+ cycleWorkspace(true, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::nextWindowOnAllWorkspaces:
- cycleWindow(true, true);
- return;
+ case Action::prevWorkspace:
+ cycleWorkspace(false, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::prevWindowOnAllWorkspaces:
- cycleWindow(false, true);
- return;
+ case Action::nextWindow:
+
+ cycleWindow(true, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::nextWindowOfClass:
- cycleWindow(true, false, true);
- return;
+ case Action::prevWindow:
+ cycleWindow(false, it->number() != 0 ? it->number(): 1);
+ return;
- case Action::prevWindowOfClass:
- cycleWindow(false, false, true);
- return;
+ case Action::nextWindowOnAllWorkspaces:
+ cycleWindow(true, it->number() != 0 ? it->number(): 1, false, true);
+ return;
- case Action::nextWindowOfClassOnAllWorkspaces:
- cycleWindow(true, true, true);
- return;
+ case Action::prevWindowOnAllWorkspaces:
+ cycleWindow(false, it->number() != 0 ? it->number(): 1, false, true);
+ return;
- case Action::prevWindowOfClassOnAllWorkspaces:
- cycleWindow(false, true, true);
- return;
+ case Action::nextWindowOnAllScreens:
+ cycleWindow(true, it->number() != 0 ? it->number(): 1, true);
+ return;
- case Action::changeWorkspace:
- changeWorkspace(it->number());
- return;
- }
+ case Action::prevWindowOnAllScreens:
+ cycleWindow(false, it->number() != 0 ? it->number(): 1, true);
+ return;
+
+ case Action::nextWindowOfClass:
+ cycleWindow(true, it->number() != 0 ? it->number(): 1,
+ false, false, true, it->string());
+ return;
+
+ case Action::prevWindowOfClass:
+ cycleWindow(false, it->number() != 0 ? it->number(): 1,
+ false, false, true, it->string());
+ return;
+
+ case Action::nextWindowOfClassOnAllWorkspaces:
+ cycleWindow(true, it->number() != 0 ? it->number(): 1,
+ false, true, true, it->string());
+ return;
+
+ case Action::prevWindowOfClassOnAllWorkspaces:
+ cycleWindow(false, it->number() != 0 ? it->number(): 1,
+ false, true, true, it->string());
+ return;
- // these actions require an active window
- if (_active != _clients.end()) {
- XWindow *window = *_active;
+ case Action::changeWorkspace:
+ changeWorkspace(it->number());
+ return;
- switch (it->type()) {
- case Action::iconify:
- window->iconify();
- return;
+ case Action::upWorkspace:
+ changeWorkspaceVert(-1);
+ return;
- case Action::close:
- window->close();
- return;
+ case Action::downWorkspace:
+ changeWorkspaceVert(1);
+ return;
- case Action::raise:
- window->raise();
- return;
+ case Action::leftWorkspace:
+ changeWorkspaceHorz(-1);
+ return;
- case Action::lower:
- window->lower();
- return;
+ case Action::rightWorkspace:
+ changeWorkspaceHorz(1);
+ return;
- case Action::toggleshade:
- window->shade(! window->shaded());
- return;
- }
- }
+ case Action::execute:
+ execCommand(it->string());
+ 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;
+
+ case Action::moveWindowDown:
+ window->move(window->x(), window->y() + it->number());
+ return;
+
+ case Action::moveWindowLeft:
+ window->move(window->x() - it->number(), window->y());
+ return;
+
+ case Action::moveWindowRight:
+ window->move(window->x() + it->number(), window->y());
+ return;
+
+ case Action::resizeWindowWidth:
+ window->resizeRel(it->number(), 0);
+ return;
+
+ case Action::resizeWindowHeight:
+ window->resizeRel(0, it->number());
+ return;
+
+ case Action::toggleshade:
+ window->shade(! window->shaded());
+ return;
+
+ case Action::toggleMaximizeHorizontal:
+ window->toggleMaximize(XWindow::Max_Horz);
+ return;
+
+ case Action::toggleMaximizeVertical:
+ window->toggleMaximize(XWindow::Max_Vert);
+ return;
+
+ case Action::toggleMaximizeFull:
+ window->toggleMaximize(XWindow::Max_Full);
+ return;
+
+ default:
+ assert(false); // unhandled action type!
+ break;
}
}
}
}
+void screen::updateEverything() {
+ updateNumDesktops();
+ updateActiveDesktop();
+ updateClientList();
+ updateActiveWindow();
+}
+
+
void screen::updateNumDesktops() {
assert(_managed);
Window *rootclients = 0;
unsigned long num = (unsigned) -1;
if (! _xatom->getValue(_root, XAtom::net_client_list, XAtom::window, num,
- &rootclients)) {
- while (! _clients.empty()) {
- delete _clients.front();
- _clients.erase(_clients.begin());
- }
- if (rootclients) delete [] rootclients;
- return;
- }
-
- WindowList::iterator it, end = _clients.end();
+ &rootclients))
+ num = 0;
+
+ WindowList::iterator it;
+ const WindowList::iterator end = _clients.end();
unsigned long i;
// insert new clients after the active window
break;
if (it == end) { // didn't already exist
if (doAddWindow(rootclients[i])) {
- cout << "Added window: 0x" << hex << rootclients[i] << dec << endl;
+ // cout << "Added window: 0x" << hex << rootclients[i] << dec << endl;
_clients.insert(insert_point, new XWindow(_epist, this,
rootclients[i]));
}
}
}
- // remove clients that no longer exist
+ // remove clients that no longer exist (that belong to this screen)
for (it = _clients.begin(); it != end;) {
- WindowList::iterator it2 = it++;
+ WindowList::iterator it2 = it;
+ ++it;
+
+ // is on another screen?
+ if ((*it2)->getScreen() != this)
+ continue;
+
for (i = 0; i < num; ++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();
+ if (it2 == _last_active)
+ _last_active = _clients.end();
delete *it2;
_clients.erase(it2);
}
}
+const XWindow *screen::lastActiveWindow() const {
+ if (_last_active != _clients.end())
+ return *_last_active;
+
+ // find a window if one exists
+ WindowList::const_iterator it, end = _clients.end();
+ for (it = _clients.begin(); it != end; ++it)
+ if ((*it)->getScreen() == this && ! (*it)->iconic() &&
+ ((*it)->desktop() == 0xffffffff || (*it)->desktop() == _active_desktop))
+ return *it;
+
+ // no windows on this screen
+ return 0;
+}
+
+
void screen::updateActiveWindow() {
assert(_managed);
WindowList::iterator it, end = _clients.end();
for (it = _clients.begin(); it != end; ++it) {
- if (**it == a)
+ if (**it == a) {
+ if ((*it)->getScreen() != this)
+ return;
break;
+ }
}
_active = it;
+ if (it != end)
+ _last_active = it;
- cout << "Active window is now: ";
- if (_active == _clients.end()) cout << "None\n";
- else cout << "0x" << hex << (*_active)->window() << dec << endl;
+ /* cout << "Active window is now: ";
+ if (_active == _clients.end()) cout << "None\n";
+ else cout << "0x" << hex << (*_active)->window() << dec << endl;
+ */
}
-/*
- * use this when execing a command to have it on the right screen
- 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()");
- }
- */
+
+void screen::execCommand(const string &cmd) const {
+ pid_t pid;
+ if ((pid = fork()) == 0) {
+ // 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()");
+ }
+ 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 alldesktops,
- const bool sameclass) const {
+void screen::cycleWindow(const bool forward, const int increment,
+ const bool allscreens, const bool alldesktops,
+ const bool sameclass, const string &cn) const {
assert(_managed);
+ assert(increment > 0);
if (_clients.empty()) return;
-
- WindowList::const_iterator target = _active;
- if (target == _clients.end())
- target = _clients.begin();
-
- do {
- if (forward) {
- ++target;
- if (target == _clients.end())
- target = _clients.begin();
- } else {
- if (target == _clients.begin())
- target = _clients.end();
- --target;
- }
- } while (target == _clients.end() ||
- (*target)->iconic() ||
- (! alldesktops && (*target)->desktop() != _active_desktop) ||
- (sameclass && _active != _clients.end() &&
- (*target)->appClass() != (*_active)->appClass()));
+ string classname(cn);
+ if (sameclass && classname.empty() && _active != _clients.end())
+ classname = (*_active)->appClass();
+
+ WindowList::const_iterator target = _active,
+ begin = _clients.begin(),
+ end = _clients.end();
+
+ const XWindow *t = 0;
- if (target != _clients.end())
- (*target)->focus();
+ 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;
+ }
+
+ // 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;
+ }
+ }
+
+ // phew. we found the window, so focus it.
+ 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);
+ const Config *conf = _epist->getConfig();
+ int width = conf->getNumberValue(Config::workspaceColumns);
+
+ if (width > _num_desktops || width <= 0)
+ return;
+
+ int wnum;
+
+ // 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);
+ const Config *conf = _epist->getConfig();
+ int width = conf->getNumberValue(Config::workspaceColumns);
+ int wnum;
+
+ 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();
+ int numlockMask, scrolllockMask;
+
+ _epist->getLockModifiers(numlockMask, scrolllockMask);
+
+ XGrabKey(display, keyCode, modifierMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+ XGrabKey(display, keyCode,
+ modifierMask|LockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+ XGrabKey(display, keyCode,
+ modifierMask|scrolllockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+ XGrabKey(display, keyCode,
+ modifierMask|numlockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+
+ XGrabKey(display, keyCode,
+ modifierMask|LockMask|scrolllockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+ XGrabKey(display, keyCode,
+ modifierMask|scrolllockMask|numlockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+ XGrabKey(display, keyCode,
+ modifierMask|numlockMask|LockMask,
+ _root, True, GrabModeAsync, GrabModeAsync);
+
+ XGrabKey(display, keyCode,
+ 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);
+}
projects / chaz / openbox / blobdiff