diff options
Diffstat (limited to 'driver/test-randr.c')
| -rw-r--r-- | driver/test-randr.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/driver/test-randr.c b/driver/test-randr.c new file mode 100644 index 0000000..74ead37 --- /dev/null +++ b/driver/test-randr.c @@ -0,0 +1,339 @@ +/* test-randr.c --- playing with the Resize And Rotate extension. + * xscreensaver, Copyright (c) 2004-2008 Jamie Zawinski <jwz@jwz.org> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. No representations are made about the suitability of this + * software for any purpose. It is provided "as is" without express or + * implied warranty. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdlib.h> +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif + +#include <stdio.h> +#include <time.h> +#include <sys/time.h> + +#include <X11/Xlib.h> +#include <X11/Xatom.h> +#include <X11/Intrinsic.h> + +#include <X11/Xproto.h> +#include <X11/extensions/Xrandr.h> + +char *progname = 0; +char *progclass = "XScreenSaver"; + +static const char * +blurb (void) +{ + static char buf[255]; + time_t now = time ((time_t *) 0); + char *ct = (char *) ctime (&now); + int n = strlen(progname); + if (n > 100) n = 99; + strncpy(buf, progname, n); + buf[n++] = ':'; + buf[n++] = ' '; + strncpy(buf+n, ct+11, 8); + strcpy(buf+n+9, ": "); + return buf; +} + + +static Bool error_handler_hit_p = False; + +static int +ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error) +{ + error_handler_hit_p = True; + return 0; +} + + +int +main (int argc, char **argv) +{ + int event_number = -1, error_number = -1; + int major = -1, minor = -1; + int nscreens = 0; + int i; + + XtAppContext app; + Widget toplevel_shell = XtAppInitialize (&app, progclass, 0, 0, + &argc, argv, 0, 0, 0); + Display *dpy = XtDisplay (toplevel_shell); + XtGetApplicationNameAndClass (dpy, &progname, &progclass); + + nscreens = ScreenCount(dpy); + + if (!XRRQueryExtension(dpy, &event_number, &error_number)) + { + fprintf(stderr, "%s: XRRQueryExtension(dpy, ...) ==> False\n", + blurb()); + fprintf(stderr, "%s: server does not support the RANDR extension.\n", + blurb()); + major = -1; + } + else + { + fprintf(stderr, "%s: XRRQueryExtension(dpy, ...) ==> %d, %d\n", + blurb(), event_number, error_number); + + if (!XRRQueryVersion(dpy, &major, &minor)) + { + fprintf(stderr, "%s: XRRQueryVersion(dpy, ...) ==> False\n", + blurb()); + fprintf(stderr, "%s: server didn't report RANDR version numbers?\n", + blurb()); + } + else + fprintf(stderr, "%s: XRRQueryVersion(dpy, ...) ==> %d, %d\n", blurb(), + major, minor); + } + + for (i = 0; i < nscreens; i++) + { + XRRScreenConfiguration *rrc; + XErrorHandler old_handler; + + XSync (dpy, False); + error_handler_hit_p = False; + old_handler = XSetErrorHandler (ignore_all_errors_ehandler); + + rrc = (major >= 0 ? XRRGetScreenInfo (dpy, RootWindow (dpy, i)) : 0); + + XSync (dpy, False); + XSetErrorHandler (old_handler); + XSync (dpy, False); + + if (error_handler_hit_p) + { + fprintf(stderr, "%s: XRRGetScreenInfo(dpy, %d) ==> X error:\n", + blurb(), i); + /* do it again without the error handler to print the error */ + rrc = XRRGetScreenInfo (dpy, RootWindow (dpy, i)); + } + else if (rrc) + { + SizeID current_size = -1; + Rotation current_rotation = ~0; + + fprintf (stderr, "\n%s: Screen %d\n", blurb(), i); + + current_size = + XRRConfigCurrentConfiguration (rrc, ¤t_rotation); + + /* Times */ +# if 0 /* #### This is wrong -- I don't understand what these two + timestamp numbers represent, or how they correlate + to the wall clock or to each other. */ + { + Time server_time, config_time; + server_time = XRRConfigTimes (rrc, &config_time); + if (config_time == 0 || server_time == 0) + fprintf (stderr, "%s: config has never been changed\n", + blurb()); + else + fprintf (stderr, "%s: config changed %lu seconds ago\n", + blurb(), (unsigned long) (server_time - config_time)); + } +# endif + + /* Rotations */ + { + Rotation available, current; + available = XRRConfigRotations (rrc, ¤t); + + fprintf (stderr, "%s: Available Rotations:\t", blurb()); + if (available & RR_Rotate_0) fprintf (stderr, " 0"); + if (available & RR_Rotate_90) fprintf (stderr, " 90"); + if (available & RR_Rotate_180) fprintf (stderr, " 180"); + if (available & RR_Rotate_270) fprintf (stderr, " 270"); + if (! (available & (RR_Rotate_0 | RR_Rotate_90 | + RR_Rotate_180 | RR_Rotate_270))) + fprintf (stderr, " none"); + fprintf (stderr, "\n"); + + if (current_rotation != current) + fprintf (stderr, + "%s: WARNING: rotation inconsistency: 0x%X vs 0x%X\n", + blurb(), current_rotation, current); + + fprintf (stderr, "%s: Current Rotation:\t", blurb()); + if (current & RR_Rotate_0) fprintf (stderr, " 0"); + if (current & RR_Rotate_90) fprintf (stderr, " 90"); + if (current & RR_Rotate_180) fprintf (stderr, " 180"); + if (current & RR_Rotate_270) fprintf (stderr, " 270"); + if (! (current & (RR_Rotate_0 | RR_Rotate_90 | + RR_Rotate_180 | RR_Rotate_270))) + fprintf (stderr, " none"); + fprintf (stderr, "\n"); + + fprintf (stderr, "%s: Available Reflections:\t", blurb()); + if (available & RR_Reflect_X) fprintf (stderr, " X"); + if (available & RR_Reflect_Y) fprintf (stderr, " Y"); + if (! (available & (RR_Reflect_X | RR_Reflect_Y))) + fprintf (stderr, " none"); + fprintf (stderr, "\n"); + + fprintf (stderr, "%s: Current Reflections:\t", blurb()); + if (current & RR_Reflect_X) fprintf (stderr, " X"); + if (current & RR_Reflect_Y) fprintf (stderr, " Y"); + if (! (current & (RR_Reflect_X | RR_Reflect_Y))) + fprintf (stderr, " none"); + fprintf (stderr, "\n"); + } + + /* Sizes */ + { + int nsizes, j; + XRRScreenSize *rrsizes; + + rrsizes = XRRConfigSizes (rrc, &nsizes); + if (nsizes <= 0) + fprintf (stderr, "%s: sizes:\t none\n", blurb()); + else + for (j = 0; j < nsizes; j++) + { + short *rates; + int nrates, k; + fprintf (stderr, + "%s: %c size %d: %d x %d\t rates:", + blurb(), + (j == current_size ? '+' : ' '), + j, + rrsizes[j].width, rrsizes[j].height); + + rates = XRRConfigRates (rrc, j, &nrates); + if (nrates == 0) + fprintf (stderr, " none?"); + else + for (k = 0; k < nrates; k++) + fprintf (stderr, " %d", rates[k]); + fprintf (stderr, "\n"); + /* don't free 'rates' */ + } + /* don't free 'rrsizes' */ + } + + XRRFreeScreenConfigInfo (rrc); + } + else if (major >= 0) + { + fprintf(stderr, "%s: XRRGetScreenInfo(dpy, %d) ==> NULL\n", + blurb(), i); + } + + +# ifdef HAVE_RANDR_12 + if (major > 1 || (major == 1 && minor >= 2)) + { + int j; + XRRScreenResources *res = + XRRGetScreenResources (dpy, RootWindow (dpy, i)); + fprintf (stderr, "\n"); + for (j = 0; j < res->noutput; j++) + { + int k; + XRROutputInfo *rroi = + XRRGetOutputInfo (dpy, res, res->outputs[j]); + fprintf (stderr, "%s: Output %d: %s: %s (%d)\n", blurb(), j, + rroi->name, + (rroi->connection == RR_Disconnected ? "disconnected" : + rroi->connection == RR_UnknownConnection ? "unknown" : + "connected"), + (int) rroi->crtc); + for (k = 0; k < rroi->ncrtc; k++) + { + XRRCrtcInfo *crtci = XRRGetCrtcInfo (dpy, res, + rroi->crtcs[k]); + fprintf(stderr, "%s: %c CRTC %d (%d): %dx%d+%d+%d\n", + blurb(), + (rroi->crtc == rroi->crtcs[k] ? '+' : ' '), + k, (int) rroi->crtcs[k], + crtci->width, crtci->height, crtci->x, crtci->y); + XRRFreeCrtcInfo (crtci); + } + XRRFreeOutputInfo (rroi); + fprintf (stderr, "\n"); + } + XRRFreeScreenResources (res); + } +# endif /* HAVE_RANDR_12 */ + } + + if (major > 0) + { + Window w[20]; + XWindowAttributes xgwa[20]; + + for (i = 0; i < nscreens; i++) + { + XRRSelectInput (dpy, RootWindow (dpy, i), RRScreenChangeNotifyMask); + w[i] = RootWindow (dpy, i); + XGetWindowAttributes (dpy, w[i], &xgwa[i]); + } + + XSync (dpy, False); + + fprintf (stderr, "\n%s: awaiting events...\n\n" + "\t(If you resize the screen or add/remove monitors, this should\n" + "\tnotice that and print stuff. Otherwise, hit ^C.)\n\n", + progname); + while (1) + { + XEvent event; + XNextEvent (dpy, &event); + + if (event.type == event_number + RRScreenChangeNotify) + { + XRRScreenChangeNotifyEvent *xrr_event = + (XRRScreenChangeNotifyEvent *) &event; + int screen = XRRRootToScreen (dpy, xrr_event->window); + + fprintf (stderr, "%s: screen %d: RRScreenChangeNotify event\n", + progname, screen); + + fprintf (stderr, "%s: screen %d: old size: \t%d x %d\n", + progname, screen, + DisplayWidth (dpy, screen), + DisplayHeight (dpy, screen)); + fprintf (stderr, "%s: screen %d: old root 0x%lx:\t%d x %d\n", + progname, screen, (unsigned long) w[screen], + xgwa[screen].width, xgwa[screen].height); + + XRRUpdateConfiguration (&event); + XSync (dpy, False); + + fprintf (stderr, "%s: screen %d: new size: \t%d x %d\n", + progname, screen, + DisplayWidth (dpy, screen), + DisplayHeight (dpy, screen)); + + w[screen] = RootWindow (dpy, screen); + XGetWindowAttributes (dpy, w[screen], &xgwa[screen]); + fprintf (stderr, "%s: screen %d: new root 0x%lx:\t%d x %d\n", + progname, screen, (unsigned long) w[screen], + xgwa[screen].width, xgwa[screen].height); + fprintf (stderr, "\n"); + } + else + { + fprintf (stderr, "%s: event %d\n", progname, event.type); + } + } + } + + XSync (dpy, False); + exit (0); +} |