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#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include "nano-X.h"

int main(int argc, char *argv[])

{

        GR_WINDOW_ID wid;

        GR_EVENT event;

        FILE *fp;

        char *buf = NULL;

        int buf_size = 0;

        int data_len = 0;

        int ret = 0;

        GR_EVENT_CLIENT_DATA_REQ *req;

        GR_EVENT_SELECTION_CHANGED *sc;

        if(argc != 2) {

                fprintf(stderr, "Usage: setselection <text file>\n");

                return 1;

        }

        if(!(fp = fopen(argv[1], "r"))) {

                fprintf(stderr, "Couldn't open text file\n");

                return 2;

        }

        do {

                data_len += ret;

                buf_size = data_len + 65536;

                if(!(buf = realloc(buf, buf_size))) {

                        fprintf(stderr, "Out of memory\n");

                        return 3;

                }

        } while((ret = fread(buf + data_len, 1, 65536, fp)) > 0);

        if(ret < 0) {

                fprintf(stderr, "Failed to read text file sucessfully\n");

                return 2;

        }

        if(GrOpen() < 0) {

                fprintf(stderr, "Couldn't connect to Nano-X server\n");

                return 4;

        }

        wid = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, 0, 0);

        if(!wid) {

                fprintf(stderr, "Couldn't get a window\n");

                return 5;

        }

        GrSelectEvents(wid, GR_EVENT_MASK_CLIENT_DATA_REQ |

                                GR_EVENT_MASK_SELECTION_CHANGED);

        GrSetSelectionOwner(wid, "nota/realtype text/plain non/existant "

                                "something/else");

        while(1) {

                GrGetNextEvent(&event);

                switch(event.type) {

                        case GR_EVENT_TYPE_CLIENT_DATA_REQ:

                                req = &event.clientdatareq;

                                fprintf(stderr, "Got request with serial "

                                        "number %ld from window %d for mime "

                                        "type %d\n", req->serial, req->rid,

                                                        req->mimetype);

                                GrSendClientData(wid, req->rid, req->serial,

                                                data_len, data_len, buf);

                                break;

                        case GR_EVENT_TYPE_SELECTION_CHANGED:

                                sc = &event.selectionchanged;

                                if(sc->new_owner != wid) {

                                        fprintf(stderr, "Lost selection to "

                                                "window %d\n", sc->new_owner);

                                        return 0;

                                }

                        default:

                                break;

                }

        }

        return 0;

}