#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;
}