openbox/otk/screeninfo.cc
2003-03-16 21:11:39 +00:00

81 lines
2.4 KiB
C++

// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#include "config.h"
extern "C" {
#include <X11/Xlib.h>
#include <X11/Xutil.h>
}
#include "screeninfo.hh"
#include "display.hh"
#include "util.hh"
using std::string;
namespace otk {
ScreenInfo::ScreenInfo(int num) {
assert(num >= 0 && num < ScreenCount(**display));
_screen = num;
_root_window = RootWindow(**display, _screen);
_size = Size(WidthOfScreen(ScreenOfDisplay(**display,
_screen)),
HeightOfScreen(ScreenOfDisplay(**display,
_screen)));
// get the default display string and strip the screen number
string default_string = DisplayString(**display);
const string::size_type pos = default_string.rfind(".");
if (pos != string::npos)
default_string.resize(pos);
_display_string = string("DISPLAY=") + default_string + '.' +
itostring(static_cast<unsigned long>(_screen));
#if 0 //def XINERAMA
_xinerama_active = False;
if (d->hasXineramaExtensions()) {
if (d->getXineramaMajorVersion() == 1) {
// we know the version 1(.1?) protocol
/*
in this version of Xinerama, we can't query on a per-screen basis, but
in future versions we should be able, so the 'activeness' is checked
on a pre-screen basis anyways.
*/
if (XineramaIsActive(**display)) {
/*
If Xinerama is being used, there there is only going to be one screen
present. We still, of course, want to use the screen class, but that
is why no screen number is used in this function call. There should
never be more than one screen present with Xinerama active.
*/
int num;
XineramaScreenInfo *info = XineramaQueryScreens(**display, &num);
if (num > 0 && info) {
_xinerama_areas.reserve(num);
for (int i = 0; i < num; ++i) {
_xinerama_areas.push_back(Rect(info[i].x_org, info[i].y_org,
info[i].width, info[i].height));
}
XFree(info);
// if we can't find any xinerama regions, then we act as if it is not
// active, even though it said it was
_xinerama_active = true;
}
}
}
}
#else
_xinerama_active = false;
#endif // XINERAMA
if (!_xinerama_active)
_xinerama_areas.push_back(Rect(Point(0, 0), _size));
}
}