xen screen management tool

1 files changed, 88 insertions, 0 deletions

diff --git a/apps-x11.c b/apps-x11.c
new file mode 100644
index 0000000..3ed61dc
--- /dev/null
+++ b/apps-x11.c
@@ -0,0 +1,88 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+#include <xs.h>
+
+#include "apps.h"
+
+/* ------------------------------------------------------------------ */
+
+#if 0
+/* check_wm_capability(dpy, root, _NET_SUPPORTED, _NET_WM_whatever); */
+static int
+check_wm_capability(Display *dpy, Window root, Atom list, Atom wanted)
+{
+    Atom            type;
+    int             format;
+    unsigned int    i;
+    unsigned long   nitems, bytesafter;
+    unsigned char   *args;
+    unsigned long   *ldata;
+    char            *name;
+    int             retval = -1;
+    
+    if (Success != XGetWindowProperty
+	(dpy, root, list, 0, (65536 / sizeof(long)), False,
+	 AnyPropertyType, &type, &format, &nitems, &bytesafter, &args))
+	return -1;
+    if (type != XA_ATOM)
+	return -1;
+    ldata = (unsigned long*)args;
+    for (i = 0; i < nitems; i++) {
+	if (ldata[i] == wanted)
+	    retval = 0;
+	if (debug) {
+	    name = XGetAtomName(dpy,ldata[i]);
+	    fprintf(stderr,"wm cap: %s\n",name);
+	    XFree(name);
+	}
+    }
+    XFree(ldata);
+    return retval;
+}
+#endif
+
+static int
+check_atom_present(Display *dpy, Window root, Atom check)
+{
+    Atom            type;
+    int             format;
+    unsigned long   nitems, bytesafter;
+    unsigned char   *args;
+    
+    if (Success != XGetWindowProperty
+	(dpy, root, check, 0, (65536 / sizeof(long)), False,
+	 AnyPropertyType, &type, &format, &nitems, &bytesafter, &args))
+	return -1;
+    if (NULL == args)
+	return -1;
+    return 0;
+}
+
+#define INIT_ATOM(dpy,atom) atom = XInternAtom(dpy,#atom,False)
+static Atom KWIN_RUNNING;
+static Atom _METACITY_SENTINEL;
+
+void detect_desktop(void)
+{
+    Display *dpy = gdk_x11_display_get_xdisplay(gdk_display_get_default());
+    Window  root = DefaultRootWindow(dpy);
+
+    INIT_ATOM(dpy, KWIN_RUNNING);
+    INIT_ATOM(dpy, _METACITY_SENTINEL);
+
+    if (0 == check_atom_present(dpy, root, KWIN_RUNNING)) {
+	fprintf(stderr,"Desktop: KDE\n");
+	desktop_type = DESKTOP_KDE;
+    }
+    if (0 == check_atom_present(dpy, root, _METACITY_SENTINEL)) {
+	fprintf(stderr,"Desktop: Gnome\n");
+	desktop_type = DESKTOP_GNOME;
+    }
+}