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// XDisplay.cc for Openbox
// Copyright (c) 2002 - 2002 Ben Janens (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 "Xdisplay.h"
#include "XScreen.h"
#include "Util.h"
#include <iostream>
#include <algorithm>
using std::cerr;
Xdisplay::Xdisplay(const char *dpyname) {
_grabs = 0;
_hasshape = false;
_display = XOpenDisplay(dpy_name);
if (_display == NULL) {
cerr << "Could not open display. Connection to X server failed.\n";
::exit(2);
}
if (-1 == fcntl(ConnectionNumber(display), F_SETFD, 1)) {
cerr << "Could not mark display connection as close-on-exec.\n";
::exit(2);
}
_name = XDisplayName(dpyname);
XSetErrorHandler(XErrorHandler);
#ifdef SHAPE
int waste;
_hasshape = XShapeQueryExtension(_display, &_shape_event_base, &waste);
#endif // SHAPE
const unsigned int scount = ScreenCount(_display);
_screens.reserve(scount);
for (unsigned int s = 0; s < scount; s++)
_screens.push_back(new XScreen(_display, s));
}
Xdisplay::~Xdisplay() {
std::for_each(_screens.begin(), _screens.end(), PointerAssassin());
XCloseDisplay(_display);
}
/*
* Return information about a screen.
*/
XScreen *Xdisplay::screen(unsigned int s) const {
ASSERT(s < _screens.size());
return _screens[s];
}
/*
* Grab the X server
*/
void XDisplay::grab() {
if (_grabs++ == 0)
XGrabServer(_display);
}
/*
* Release the X server from a grab
*/
void XDisplay::ungrab() {
if (--_grabs == 0)
XUngrabServer(_display);
}
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