1 // -*- mode: C++; indent-tabs-mode: nil; -*-
2 // process.cc for Epistory - a key handler for NETWM/EWMH window managers.
3 // Copyright (c) 2002 - 2002 Ben Jansens <ben at orodu.net>
5 // Permission is hereby granted, free of charge, to any person obtaining a
6 // copy of this software and associated documentation files (the "Software"),
7 // to deal in the Software without restriction, including without limitation
8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 // and/or sell copies of the Software, and to permit persons to whom the
10 // Software is furnished to do so, subject to the following conditions:
12 // The above copyright notice and this permission notice shall be included in
13 // all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 // DEALINGS IN THE SOFTWARE.
28 # include "../../config.h"
29 #endif // HAVE_CONFIG_H
38 #include "../../src/XAtom.hh"
41 WindowList::iterator _active = _clients.end();
44 XWindow &findWindow(const XEvent &e) {
45 WindowList::iterator it, end = _clients.end();
46 for (it = _clients.begin(); it != end; ++it)
47 if (**it == e.xany.window)
49 assert(it != end); // this means a client somehow got removed from the
55 void processEvent(const XEvent &e) {
58 if (e.xany.window == _root) {
60 if (e.xproperty.atom == _xatom->getAtom(XAtom::net_active_window))
62 if (e.xproperty.atom == _xatom->getAtom(XAtom::net_client_list)) {
63 // catch any window unmaps first
65 if (XCheckTypedWindowEvent(_display, e.xany.window,
66 DestroyNotify, &ev) ||
67 XCheckTypedWindowEvent(_display, e.xany.window,
76 if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_state))
77 findWindow(e).updateState();
78 if (e.xproperty.atom == _xatom->getAtom(XAtom::net_wm_desktop))
79 findWindow(e).updateDesktop();
84 cout << "unmap notify\n";
85 findWindow(e).setUnmapped(true);
91 // do we want to add this window to our list?
92 bool doAddWindow(Window window) {
94 if (! _xatom->getValue(window, XAtom::net_wm_window_type, XAtom::atom,
98 if (type == _xatom->getAtom(XAtom::net_wm_window_type_dock) ||
99 type == _xatom->getAtom(XAtom::net_wm_window_type_menu))
106 void updateClientList() {
107 WindowList::iterator insert_point = _active;
108 if (insert_point != _clients.end())
109 ++insert_point; // get to the item client the focused client
111 // get the client list from the root window
112 Window *rootclients = 0;
113 unsigned long num = (unsigned) -1;
114 if (! _xatom->getValue(_root, XAtom::net_client_list, XAtom::window, num,
116 while (! _clients.empty()) {
117 delete _clients.front();
118 _clients.erase(_clients.begin());
120 if (rootclients) delete [] rootclients;
124 WindowList::iterator it, end = _clients.end();
127 // insert new clients after the active window
128 for (i = 0; i < num; ++i) {
129 for (it = _clients.begin(); it != end; ++it)
130 if (**it == rootclients[i])
132 if (it == end) { // didn't already exist
133 if (doAddWindow(rootclients[i])) {
134 cout << "Added window: 0x" << hex << rootclients[i] << dec << endl;
135 _clients.insert(insert_point, new XWindow(rootclients[i]));
140 // remove clients that no longer exist
141 for (it = _clients.begin(); it != end;) {
142 WindowList::iterator it2 = it++;
143 for (i = 0; i < num; ++i)
144 if (**it2 == rootclients[i])
146 if (i == num) { // no longer exists
147 cout << "Removed window: 0x" << hex << (*it2)->window() << dec << endl;
153 if (rootclients) delete [] rootclients;
157 void updateActiveWindow() {
159 _xatom->getValue(_root, XAtom::net_active_window, XAtom::window, a);
161 WindowList::iterator it, end = _clients.end();
162 for (it = _clients.begin(); it != end; ++it) {
168 cout << "Active window is now: ";
169 if (_active == _clients.end()) cout << "None\n";
170 else cout << "0x" << hex << (*_active)->window() << dec << endl;