xserver/hw/dmx/examples/dmxreconfig.c

/*
 * Copyright 2003 Red Hat Inc., Durham, North Carolina.
 *
 * All Rights Reserved.
 *
 * 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 on 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 (including the
 * next paragraph) 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
 * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
 * 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.
 */

/*
 * Authors:
 *   Kevin E. Martin <kem@redhat.com>
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/extensions/dmxext.h>

int
main(int argc, char **argv)
{
    Display *display = NULL;
    int event_base;
    int error_base;
    int major_version, minor_version, patch_version;
    int screen;
    DMXScreenAttributes attr;
    unsigned int mask = 0;
    int status;
    int errorScreen;

    if (argc != 13) {
        fprintf(stderr,
                "Usage: %s display screen scrnx scrny scrnw scrnh rootx rooty rootw rooth originx originy\n",
                argv[0]);
        return -1;
    }

    if (!(display = XOpenDisplay(argv[1]))) {
        fprintf(stderr, "Cannot open display %s\n", argv[1]);
        return -1;
    }

    screen = strtol(argv[2], NULL, 0);

    mask |= (DMXScreenWindowXoffset |
             DMXScreenWindowYoffset |
             DMXScreenWindowWidth | DMXScreenWindowHeight);
    attr.screenWindowXoffset = strtol(argv[3], NULL, 0);
    attr.screenWindowYoffset = strtol(argv[4], NULL, 0);
    attr.screenWindowWidth = strtol(argv[5], NULL, 0);
    attr.screenWindowHeight = strtol(argv[6], NULL, 0);

    mask |= (DMXRootWindowXoffset |
             DMXRootWindowYoffset | DMXRootWindowWidth | DMXRootWindowHeight);
    attr.rootWindowXoffset = strtol(argv[7], NULL, 0);
    attr.rootWindowYoffset = strtol(argv[8], NULL, 0);
    attr.rootWindowWidth = strtol(argv[9], NULL, 0);
    attr.rootWindowHeight = strtol(argv[10], NULL, 0);

    mask |= DMXRootWindowXorigin | DMXRootWindowYorigin;
    attr.rootWindowXorigin = strtol(argv[11], NULL, 0);
    attr.rootWindowYorigin = strtol(argv[12], NULL, 0);

    if (!DMXQueryExtension(display, &event_base, &error_base)) {
        fprintf(stderr, "DMX extension not present\n");
        return -1;
    }
    printf("DMX extension present: event_base = %d, error_base = %d\n",
           event_base, error_base);

    if (!DMXQueryVersion(display,
                         &major_version, &minor_version, &patch_version)) {
        fprintf(stderr, "Could not get extension version\n");
        return -1;
    }
    printf("Extension version: %d.%d patch %d\n",
           major_version, minor_version, patch_version);

    if (major_version == 1 && minor_version < 3) {
        fprintf(stderr,
                "ReconfigureScreen not supported in this extension version\n");
        return -1;
    }

    if (major_version < 2) {
        fprintf(stderr,
                "ChangeScreensAttributes not supported in this extension "
                "version\n");
        return -1;
    }

    if (!(status = DMXChangeScreensAttributes(display, 1, &screen, 1, &mask,
                                              &attr, &errorScreen))) {
        printf("Reconfigured screen #%d to "
               "%dx%d%s%d%s%d %dx%d%s%d%s%d %s%d%s%d\n",
               screen,
               attr.screenWindowWidth,
               attr.screenWindowHeight,
               (attr.screenWindowXoffset < 0 ? "" : "+"),
               attr.screenWindowXoffset,
               (attr.screenWindowYoffset < 0 ? "" : "+"),
               attr.screenWindowYoffset,
               attr.rootWindowWidth,
               attr.rootWindowHeight,
               (attr.rootWindowXoffset < 0 ? "" : "+"),
               attr.rootWindowXoffset,
               (attr.rootWindowYoffset < 0 ? "" : "+"),
               attr.rootWindowYoffset,
               (attr.rootWindowXorigin < 0 ? "" : "+"),
               attr.rootWindowXorigin,
               (attr.rootWindowYorigin < 0 ? "" : "+"), attr.rootWindowYorigin);
    }
    else {
        fprintf(stderr,
                "Could not set screen #%d to "
                "%dx%d%s%d%s%d %dx%d%s%d%s%d %s%d%s%d\n"
                "[status = %d, errorScreen=%d]\n",
                screen,
                attr.screenWindowWidth,
                attr.screenWindowHeight,
                (attr.screenWindowXoffset < 0 ? "" : "+"),
                attr.screenWindowXoffset,
                (attr.screenWindowYoffset < 0 ? "" : "+"),
                attr.screenWindowYoffset,
                attr.rootWindowWidth,
                attr.rootWindowHeight,
                (attr.rootWindowXoffset < 0 ? "" : "+"),
                attr.rootWindowXoffset,
                (attr.rootWindowYoffset < 0 ? "" : "+"),
                attr.rootWindowYoffset,
                (attr.rootWindowXorigin < 0 ? "" : "+"),
                attr.rootWindowXorigin,
                (attr.rootWindowYorigin < 0 ? "" : "+"),
                attr.rootWindowYorigin, status, errorScreen);
        return -1;
    }

    XCloseDisplay(display);
    return 0;
}