1 // XDisplay.cc for Openbox
2 // Copyright (c) 2002 - 2002 Ben Janens (ben at orodu.net)
4 // Permission is hereby granted, free of charge, to any person obtaining a
5 // copy of this software and associated documentation files (the "Software"),
6 // to deal in the Software without restriction, including without limitation
7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 // and/or sell copies of the Software, and to permit persons to whom the
9 // Software is furnished to do so, subject to the following conditions:
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 // DEALINGS IN THE SOFTWARE.
30 Xdisplay::Xdisplay(const char *dpyname) {
34 _display = XOpenDisplay(dpy_name);
35 if (_display == NULL) {
36 cerr << "Could not open display. Connection to X server failed.\n";
39 if (-1 == fcntl(ConnectionNumber(display), F_SETFD, 1)) {
40 cerr << "Could not mark display connection as close-on-exec.\n";
43 _name = XDisplayName(dpyname);
45 XSetErrorHandler(XErrorHandler);
49 _hasshape = XShapeQueryExtension(_display, &_shape_event_base, &waste);
52 const unsigned int scount = ScreenCount(_display);
53 _screens.reserve(scount);
54 for (unsigned int s = 0; s < scount; s++)
55 _screens.push_back(new XScreen(_display, s));
59 Xdisplay::~Xdisplay() {
60 std::for_each(_screens.begin(), _screens.end(), PointerAssassin());
61 XCloseDisplay(_display);
66 * Return information about a screen.
68 XScreen *Xdisplay::screen(unsigned int s) const {
69 ASSERT(s < _screens.size());
77 void XDisplay::grab() {
79 XGrabServer(_display);
84 * Release the X server from a grab
86 void XDisplay::ungrab() {
88 XUngrabServer(_display);