Initial commit

libsst-wm/Xlib/XlibPrivate.c

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+/*
+	XlibPrivate.c
+	Author: Patrick Baggett <ptbaggett@762studios.com>
+	Created: 1/8/2013
+
+	Purpose:
+
+	Private defintions and functions for Xlib implementation of libsst-wm
+
+	License:
+
+	This program is free software. It comes without any warranty, to
+	the extent permitted by applicable law. You can redistribute it
+	and/or modify it under the terms of the Do What The Fuck You Want
+	To Public License, Version 2, as published by Sam Hocevar. See
+	http://sam.zoy.org/wtfpl/COPYING for more details.
+
+*/
+
+#include "XlibPrivate.h"
+#include <dlfcn.h>
+
+XlibFunctions X;
+
+/******************************************************************************/
+
+int loadXlib()
+{
+	const int flags = RTLD_LAZY | RTLD_GLOBAL;
+	void* xlib;
+
+	X.xlib = NULL;
+    
+	/* Try opening the correct SONAME version of libX11 */
+	xlib = dlopen("libX11.so.6", flags);
+
+	/* Didn't work? */
+	if(xlib == NULL)
+	{
+		/* Try a super-generic version */
+		xlib = dlopen("libX11.so", flags);
+		if(xlib == NULL)
+			return 0;
+
+	}
+
+	/* Resolve symbols */
+	X.OpenDisplay = dlsym(xlib, "XOpenDisplay");
+	X.CloseDisplay = dlsym(xlib, "XCloseDisplay");
+	X.MoveWindow = dlsym(xlib, "XMoveWindow");
+	X.ResizeWindow = dlsym(xlib, "XResizeWindow");
+	X.MapRaised = dlsym(xlib, "XMapRaised");
+	X.MapWindow = dlsym(xlib, "XMapWindow");
+	X.UnmapWindow = dlsym(xlib, "XUnmapWindow");
+	X.StoreName = dlsym(xlib, "XStoreName");
+	X.DestroyWindow = dlsym(xlib, "XDestroyWindow");
+	X.CreateSimpleWindow = dlsym(xlib, "XCreateSimpleWindow");
+	X.GetGeometry = dlsym(xlib, "XGetGeometry");
+	X.GetWindowProperty = dlsym(xlib,"XGetWindowProperty");
+	X.Pending = dlsym(xlib, "XPending");
+	X.NextEvent = dlsym(xlib, "XNextEvent");
+	X.PeekEvent = dlsym(xlib, "XPeekEvent");
+	X.SendEvent = dlsym(xlib, "XSendEvent");
+	X.Flush = dlsym(xlib, "XFlush");
+	X.Sync = dlsym(xlib, "XSync");
+	X.InternAtom = dlsym(xlib, "XInternAtom");
+	X.SetWMProtocols = dlsym(xlib, "XSetWMProtocols");
+	X.IconifyWindow = dlsym(xlib, "XIconifyWindow");
+	X.Free = dlsym(xlib, "XFree");
+	X.SelectInput = dlsym(xlib, "XSelectInput");
+	X.LookupString = dlsym(xlib, "XLookupString");
+	X.QueryKeymap = dlsym(xlib, "XQueryKeymap");
+	X.QueryExtension = dlsym(xlib, "XQueryExtension");
+	X.GetEventData = dlsym(xlib, "XGetEventData");
+	X.FreeEventData = dlsym(xlib, "XFreeEventData");
+
+
+	/* Save handle */
+	X.xlib = xlib;
+
+	return 1;
+}
+
+/******************************************************************************/
+
+void unloadXlib()
+{
+	if(X.xlib != NULL)
+		dlclose(X.xlib);
+}
+