xserver-multidpi/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;
}