src/xcnphandler.c

   1 #include "common.h"
   2 #include "cbhm_main.h"
   3 #include "xcnphandler.h"
   4 #include "storage.h"
   5 #include "clipdrawer.h"
   6
   7 static Ecore_Event_Handler *xsel_clear_handler = NULL;
   8 static Ecore_Event_Handler *xsel_request_handler = NULL;
   9 static Ecore_Event_Handler *xsel_notify_handler = NULL;
  10 static Ecore_Event_Handler *xclient_msg_handler = NULL;
  11 static Ecore_Event_Handler *xfocus_out_handler = NULL;
  12
  13 char *g_lastest_content = NULL;
  14 int g_history_pos = 0;
  15
  16 int xcnp_init(void *data)
  17 {
  18         struct appdata *ad = data;
  19         DTRACE("xcnp_init().. start!\n");
  20
  21         if(!_cbhm_init(ad))
  22         {
  23                 DTRACE("Failed - _cbhm_init()..!\n");
  24                 return NULL;
  25         }
  26
  27         //Adding Event Handlers
  28         xsel_clear_handler = ecore_event_handler_add(ECORE_X_EVENT_SELECTION_CLEAR, _xsel_clear_cb, ad);
  29         xsel_request_handler = ecore_event_handler_add(ECORE_X_EVENT_SELECTION_REQUEST, _xsel_request_cb, ad);
  30         xsel_notify_handler = ecore_event_handler_add(ECORE_X_EVENT_SELECTION_NOTIFY, _xsel_notify_cb, ad);
  31         xclient_msg_handler = ecore_event_handler_add(ECORE_X_EVENT_CLIENT_MESSAGE, _xclient_msg_cb, ad);
  32         xfocus_out_handler = ecore_event_handler_add(ECORE_X_EVENT_WINDOW_FOCUS_OUT, _xfocus_out_cb, ad);
  33
  34         if(!xsel_clear_handler)
  35                 DTRACE("Failed to add ECORE_X_EVENT_SELECTION_CLEAR handler\n");
  36         if(!xsel_request_handler)
  37                 DTRACE("Failed to add ECORE_X_EVENT_SELECTION_REQUEST handler\n");
  38         if(!xsel_notify_handler)
  39                 DTRACE("Failed to add ECORE_X_EVENT_SELECTION_NOTIFY handler\n");
  40         if(!xclient_msg_handler)
  41                 DTRACE("Failed to add ECORE_X_EVENT_CLIENT_MESSAGE handler\n");
  42         if(!xfocus_out_handler)
  43                 DTRACE("Failed to add ECORE_X_EVENT_WINDOW_FOCUS_OUT handler\n");
  44
  45         return TRUE;
  46 }
  47
  48 int xcnp_shutdown()
  49 {
  50         //Removing Event Handlers
  51         ecore_event_handler_del(xsel_clear_handler);
  52         ecore_event_handler_del(xsel_request_handler);
  53         ecore_event_handler_del(xsel_notify_handler);
  54         ecore_event_handler_del(xclient_msg_handler);
  55         ecore_event_handler_del(xfocus_out_handler);
  56
  57         xsel_clear_handler = NULL;
  58         xsel_request_handler = NULL;
  59         xsel_notify_handler = NULL;
  60         xclient_msg_handler = NULL;
  61         xfocus_out_handler = NULL;
  62
  63         _cbhm_fini();
  64
  65         return TRUE;
  66 }
  67
  68 static int _init_atoms()
  69 {
  70         /* all atoms are global variables */
  71         atomPrimary = XA_PRIMARY;
  72         atomSecondary = XA_SECONDARY;
  73 //      atomTarget = XA_STRING;
  74         atomClipboard = XInternAtom(g_disp, ATOM_CLIPBOARD_NAME, False);
  75         atomCBHM = XInternAtom (g_disp, ATOM_CLIPBOARD_MANAGER_NAME, False);
  76         atomCBOut = XInternAtom(g_disp, ATOM_CBHM_OUTBUF, False);
  77         atomInc = XInternAtom(g_disp, "INCR", False);
  78         atomTargets = XInternAtom(g_disp, "TARGETS", False);
  79         atomUTF8String = XInternAtom(g_disp, "UTF8_STRING", False);
  80         atomHtmltext = XInternAtom(g_disp, "text/html;charset=utf-8", False);
  81
  82         return TRUE;
  83 }
  84
  85 static void _set_cbhmwin_prop()
  86 {
  87         Atom atomCbhmWin = XInternAtom(g_disp, "CBHM_XWIN", False);
  88         XChangeProperty(g_disp, g_rootwin, atomCbhmWin, XA_WINDOW,
  89                                         32, PropModeReplace,
  90                                         (unsigned char *)&g_evtwin, (int) 1);
  91 }
  92
  93 int increment_current_history_position()
  94 {
  95         int pos = g_history_pos+1;
  96         if (pos >= HISTORY_QUEUE_MAX_ITEMS)
  97                 pos = 0;
  98         g_history_pos = pos;
  99         return pos;
 100 }
 101
 102 int get_current_history_position()
 103 {
 104         int pos = g_history_pos-1;
 105         if (pos < 0)
 106                 pos = HISTORY_QUEUE_MAX_ITEMS-1;
 107
 108         return pos;
 109 }
 110
 111 int add_to_storage_buffer(void *data, char *src, int len)
 112 {
 113         struct appdata *ad = data;
 114
 115         if (len <= 0)
 116                 return -1;
 117
 118         if (g_lastest_content == NULL)
 119                 g_lastest_content = malloc(sizeof(char)*(HISTORY_QUEUE_ITEM_SIZE));
 120         if (g_history_pos >= HISTORY_QUEUE_MAX_ITEMS)
 121                 g_history_pos = 0;
 122
 123         // FIXME: remove g_lasteset_content
 124         //strcpy(g_lastest_content, src);
 125         memcpy(g_lastest_content, src, len);
 126         g_lastest_content[len] = '\0';
 127         adding_item_to_storage(g_history_pos, g_lastest_content);
 128         increment_current_history_position();
 129
 130         int nserial = 0;
 131         nserial = get_storage_serial_code();
 132         Atom atomCbhmSerial = XInternAtom(g_disp, "CBHM_SERIAL_NUMBER", False);
 133         XChangeProperty(g_disp, g_evtwin, atomCbhmSerial, XA_INTEGER,
 134                                         32, PropModeReplace,
 135                                         (unsigned char *)&nserial, (int) 1);
 136         XFlush(g_disp);
 137
 138         clipdrawer_update_contents(ad);
 139
 140         return 0;
 141 }
 142
 143 int print_storage_buffer()
 144 {
 145         int pos;
 146         int i = 0;
 147         for (i = 0; i < HISTORY_QUEUE_MAX_ITEMS; i++)
 148         {
 149                 pos = get_current_history_position()+i;
 150                 if (pos > HISTORY_QUEUE_MAX_ITEMS-1)
 151                         pos = pos-HISTORY_QUEUE_MAX_ITEMS;
 152                 DTRACE("%d: %s\n", i, get_item_contents_by_pos(pos) != NULL ? get_item_contents_by_pos(pos) : "NULL");
 153         }
 154 }
 155
 156 int send_convert_selection()
 157 {
 158         XConvertSelection(g_disp, atomClipboard, atomUTF8String, atomCBOut, g_evtwin, CurrentTime);
 159         DTRACE("sent convert selection\n");
 160         return 0;
 161 }
 162
 163 int set_clipboard_manager_owner()
 164 {
 165         XSetSelectionOwner(g_disp, atomCBHM, g_evtwin, CurrentTime);
 166         Ecore_X_Window selowner_window = XGetSelectionOwner(g_disp, atomCBHM);
 167         DTRACE("g_evtwin = 0x%x, setted clipboard manager owner is = 0x%x\n", g_evtwin, selowner_window);
 168         return 0;
 169 }
 170
 171 int set_selection_owner()
 172 {
 173         XSetSelectionOwner(g_disp, atomClipboard, g_evtwin, CurrentTime);
 174         Ecore_X_Window selowner_window = XGetSelectionOwner(g_disp, atomClipboard);
 175         DTRACE("evtwin = 0x%x, setted selection owner is = 0x%x\n", g_evtwin, selowner_window);
 176         return 0;
 177 }
 178
 179 int get_selection_content(void *data)
 180 {
 181         Atom cbtype;
 182         int cbformat;
 183         unsigned long cbsize, cbitems;
 184         unsigned char *cbbuf;
 185         struct appdata *ad = data;
 186         const char *unesc;
 187         size_t unesc_len = 0;
 188         int i;
 189
 190         XGetWindowProperty(g_disp, g_evtwin, atomCBOut, 0, 0, False,
 191                                            AnyPropertyType, &cbtype, &cbformat, &cbitems, &cbsize, &cbbuf);
 192         XFree(cbbuf);
 193
 194         if (cbtype == atomInc)
 195         {
 196                 XDeleteProperty(g_disp, g_evtwin, atomCBOut);
 197                 XFlush(g_disp);
 198                 DTRACE("INCR \n");
 199                 return -1;
 200         }
 201
 202         DTRACE("cbsize = %d\n", cbsize);
 203
 204         if (cbformat != 8)
 205         {
 206                 DTRACE("There're nothing to read = %d\n", cbformat);
 207                 return -2;
 208         }
 209
 210         XGetWindowProperty(g_disp, g_evtwin, atomCBOut, 0, (long) cbsize, False,
 211                                            AnyPropertyType, &cbtype, &cbformat, &cbitems, &cbsize, &cbbuf);
 212         XDeleteProperty(g_disp, g_evtwin, atomCBOut);
 213
 214         unesc = clipdrawer_get_plain_string_from_escaped(cbbuf);
 215         if (unesc != NULL)
 216         {
 217                 unesc_len = strlen(unesc);
 218                 // FIXME: invent more clever way to right trim the string
 219                 for (i = unesc_len-1; i > 0; i--)
 220                 {
 221                         // avoid control characters
 222                         if (unesc[i] >= 0x01 && unesc[i] <= 0x1F)
 223                                 continue;
 224                         else
 225                         {
 226                                 DTRACE("before right trim len = %d\n", unesc_len);
 227                                 unesc_len = i+1;
 228                                 DTRACE("after right trim len = %d\n", unesc_len);
 229                                 break;
 230                         }
 231                 }
 232         }
 233         else
 234                 unesc_len = 0;
 235
 236 //      add_to_storage_buffer(ad, cbbuf, cbitems);
 237 //      DTRACE("len = %ld, data = %s\n", cbitems, cbbuf);
 238
 239 /*
 240         if (cbbuf != NULL)
 241         {
 242                 unesc_len = strlen(cbbuf);
 243                 // FIXME: invent more clever way to right trim the string
 244                 for (i = unesc_len-1; i > 0; i--)
 245                 {
 246                         // avoid control characters
 247                         if (cbbuf[i] >= 0x01 && cbbuf[i] <= 0x1F)
 248                                 continue;
 249                         else
 250                         {
 251                                 DTRACE("before right trim len = %d\n", unesc_len);
 252                                 unesc_len = i+1;
 253                                 DTRACE("after right trim len = %d\n", unesc_len);
 254                                 break;
 255                         }
 256                 }
 257         }
 258         else
 259                 unesc_len = 0;
 260
 261         if (!strncmp(cbbuf, "file://", 7) &&
 262                 (strcasestr(cbbuf,".png") || strcasestr(cbbuf,".jpg") || strcasestr(cbbuf,".bmp")) &&
 263                 check_regular_file(cbbuf+7))
 264         {
 265                 DTRACE("clipdrawer add path = %s\n", cbbuf+7);
 266                 clipdrawer_add_item(cbbuf+7, GI_IMAGE);
 267         }
 268         else
 269         {
 270                 add_to_storage_buffer(ad, cbbuf, unesc_len);
 271                 clipdrawer_add_item(cbbuf, GI_TEXT);
 272         }
 273         DTRACE("len = %ld, data = %s\n", unesc_len, cbbuf);
 274 */
 275
 276
 277         /* FIXME : it needs two verification.
 278                1. does the file exist?
 279                2. dose the file wanted type? */
 280         if (!strncmp(unesc, "file://", 7) &&
 281                 (strcasestr(unesc,".png") || strcasestr(unesc,".jpg") || strcasestr(unesc,".bmp")) &&
 282                 check_regular_file(unesc+7))
 283         {
 284                 DTRACE("clipdrawer add path = %s\n", unesc+7);
 285                 clipdrawer_add_item(unesc+7, GI_IMAGE);
 286         }
 287         else
 288         {
 289                 add_to_storage_buffer(ad, unesc, unesc_len);
 290                 clipdrawer_add_item(unesc, GI_TEXT);
 291         }
 292         DTRACE("len = %ld, data = %s\n", unesc_len, unesc);
 293         free(unesc);
 294
 295         DTRACE("\n");
 296         print_storage_buffer();
 297         DTRACE("\n");
 298
 299         XFree(cbbuf);
 300
 301         return 0;
 302 }
 303
 304 int processing_selection_request(Ecore_X_Event_Selection_Request *ev)
 305 {
 306         XEvent req_evt;
 307         int req_size;
 308         Ecore_X_Window req_win;
 309         Atom req_atom;
 310
 311         req_size = XExtendedMaxRequestSize(g_disp) / 4;
 312         if (!req_size)
 313         {
 314                 req_size = XMaxRequestSize(g_disp) / 4;
 315         }
 316
 317     req_win = ev->requestor;
 318         req_atom = ev->property;
 319
 320         DTRACE("## wanted target = %d\n", ev->target);
 321         DTRACE("## wanted target = %s\n", XGetAtomName(g_disp, ev->target));
 322         DTRACE("## req target atom name = %s\n", XGetAtomName(g_disp, ev->target));
 323
 324         /* TODO : if there are request which cbhm doesn't understand,
 325            then reply None property to requestor */
 326         /* TODO : add image type */
 327         if (ev->target == atomTargets)
 328         {
 329 //        Atom types[2] = { atomTargets, atomUTF8String };
 330         Atom types[3] = { atomTargets, atomUTF8String, atomHtmltext };
 331
 332         // send all (not using INCR)
 333         XChangeProperty(g_disp, req_win, req_atom, XA_ATOM,
 334                                                 32, PropModeReplace, (unsigned char *) types,
 335                                                 (int) (sizeof(types) / sizeof(Atom)));
 336                 DTRACE("target matched\n");
 337     }
 338     else
 339         {
 340                 DTRACE("target mismatched. trying to txt\n");
 341
 342                 int txt_len;
 343                 if (g_lastest_content != NULL)
 344                         txt_len = strlen(g_lastest_content);
 345                 else
 346                         txt_len = 0;
 347
 348                 if (txt_len > req_size)
 349                 {
 350                         // INCR
 351                 }
 352                 else
 353                 {
 354                         // send all (not using INCR)
 355                         XChangeProperty(g_disp, req_win, req_atom, atomUTF8String,
 356                                                         8, PropModeReplace, (unsigned char *) g_lastest_content, (int) txt_len);
 357                 }
 358                 DTRACE("txt target, len = %d\n", txt_len);
 359                 if (txt_len > 0 && g_lastest_content != NULL)
 360                         DTRACE("txt target, content = %s\n", g_lastest_content);
 361         }
 362
 363 /*
 364         DTRACE("wanted window = 0x%x\n", req_win);
 365         DTRACE("wanted target = %s\n", XGetAtomName(g_disp, ev->target));
 366 */
 367         DTRACE("selection target = %s\n", XGetAtomName(g_disp, ev->selection));
 368         DTRACE("getted atom name = %s\n", XGetAtomName(g_disp, req_atom));
 369         DTRACE("req target atom name = %s\n", XGetAtomName(g_disp, ev->target));
 370
 371     req_evt.xselection.property = req_atom;
 372     req_evt.xselection.type = SelectionNotify;
 373     req_evt.xselection.display = g_disp;
 374     req_evt.xselection.requestor = req_win;
 375     req_evt.xselection.selection = ev->selection;
 376     req_evt.xselection.target = ev->target;
 377     req_evt.xselection.time = ev->time;
 378
 379     XSendEvent(g_disp, ev->requestor, 0, 0, &req_evt);
 380     XFlush(g_disp);
 381
 382         return 0;
 383 }
 384
 385 static int _cbhm_init(void *data)
 386 {
 387         struct appdata *ad = data;
 388         //Set default data structure
 389         //Control that the libraries are properly initialized
 390         if (!ecore_init()) return EXIT_FAILURE;
 391         if (!ecore_evas_init()) return EXIT_FAILURE;
 392         if (!edje_init()) return EXIT_FAILURE;
 393
 394         // do not x init in this module, it disconnect previous e17's X connection
 395         //ecore_x_init(NULL);
 396
 397         g_disp = ecore_x_display_get();
 398
 399         if( !g_disp )
 400         {
 401                 DTRACE("Failed to get display\n");
 402                 return -1;
 403         }
 404
 405         g_rootwin = DefaultRootWindow(g_disp);
 406         g_evtwin = ecore_x_window_new(g_rootwin, 0, 0, 19, 19);
 407         ecore_x_netwm_name_set(g_evtwin, CLIPBOARD_MANAGER_WINDOW_TITLE_STRING);
 408
 409         XSelectInput(g_disp, g_evtwin, PropertyChangeMask);
 410         XSelectInput(g_disp, g_rootwin, StructureNotifyMask);
 411 //      ecore_x_window_show(g_evtwin);
 412         ecore_x_flush();
 413
 414         _set_cbhmwin_prop();
 415     _init_atoms();
 416         init_storage();
 417
 418         DTRACE("_cbhm_init ok\n");
 419
 420         set_clipboard_manager_owner();
 421         send_convert_selection();
 422         set_selection_owner();
 423
 424         return TRUE;
 425 }
 426
 427 static void _cbhm_fini()
 428 {
 429         close_storage();
 430
 431         return;
 432 }
 433
 434 static int _xsel_clear_cb(void *data, int ev_type, void *event)
 435 {
 436         struct appdata *ad = data;
 437
 438         Ecore_X_Event_Selection_Clear *ev = (Ecore_X_Event_Selection_Clear *)event;
 439
 440         if (ev->selection != ECORE_X_SELECTION_CLIPBOARD)
 441                 return TRUE;
 442
 443         DTRACE("XE:SelectionClear\n");
 444
 445         send_convert_selection();
 446         ecore_x_flush();
 447         /* TODO : set selection request is should after convert selection
 448          * is done */
 449         set_selection_owner();
 450
 451         return TRUE;
 452 }
 453
 454 static int _xsel_request_cb(void *data, int ev_type, void *event)
 455 {
 456         Ecore_X_Event_Selection_Request *ev = (Ecore_X_Event_Selection_Request *)event;
 457
 458         if (ev->selection != atomClipboard)
 459                 return TRUE;
 460
 461         DTRACE("XE:SelectionRequest\n");
 462
 463         processing_selection_request(ev);
 464
 465         return TRUE;
 466 }
 467
 468 static int _xsel_notify_cb(void *data, int ev_type, void *event)
 469 {
 470         struct appdata *ad = data;
 471
 472         Ecore_X_Event_Selection_Notify *ev = (Ecore_X_Event_Selection_Notify *)event;
 473         Ecore_X_Selection_Data_Text *text_data = NULL;
 474
 475         if (ev->selection != ECORE_X_SELECTION_CLIPBOARD)
 476                 return TRUE;
 477
 478         DTRACE("XE:SelectionNotify\n");
 479
 480         text_data = ev->data;
 481         DTRACE("content type = %d\n", text_data->data.content);
 482         get_selection_content(ad);
 483
 484         if (text_data->data.content != ECORE_X_SELECTION_CONTENT_TEXT)
 485         {
 486                 DTRACE("content isn't text\n");
 487         }
 488
 489         return TRUE;
 490 }
 491
 492 static int _xclient_msg_cb(void *data, int ev_type, void *event)
 493 {
 494         struct appdata *ad = data;
 495
 496         Ecore_X_Event_Client_Message *ev = (Ecore_X_Event_Client_Message*)event;
 497
 498         Atom atomCBHM_MSG = XInternAtom(g_disp, "CBHM_MSG", False);
 499         Atom atomCBHM_cRAW = XInternAtom(g_disp, "CBHM_cRAW", False);
 500         Atom atomXKey_MSG = XInternAtom(g_disp, "_XKEY_COMPOSITION", False);
 501         char atomname[10];
 502         Atom cbhm_atoms[HISTORY_QUEUE_MAX_ITEMS];
 503         Ecore_X_Window reqwin = ev->win;
 504         int i, pos;
 505
 506         if (ev->message_type == atomXKey_MSG)
 507         {
 508                 DTRACE("XE:ClientMessage for Screen capture\n");
 509
 510                 capture_current_screen(ad);
 511
 512                 return TRUE;
 513         }
 514
 515         if (ev->message_type != atomCBHM_MSG)
 516                 return -1;
 517
 518         DTRACE("XE:ClientMessage for CBHM\n");
 519
 520         DTRACE("## %s\n", ev->data.b);
 521
 522         if (strcmp("get count", ev->data.b) == 0)
 523         {
 524                 int icount = get_item_counts();
 525                 char countbuf[10];
 526                 DTRACE("## cbhm count : %d\n", icount);
 527                 sprintf(countbuf, "%d", icount);
 528                 sprintf(atomname, "CBHM_cCOUNT");
 529                 cbhm_atoms[0] = XInternAtom(g_disp, atomname, False);
 530                 XChangeProperty(g_disp, reqwin, cbhm_atoms[0], atomUTF8String,
 531                                                 8, PropModeReplace,
 532                                                 (unsigned char *) countbuf,
 533                                                 (int) strlen(countbuf));
 534
 535         }
 536         else if (strncmp("get #", ev->data.b, 5) == 0)
 537         {
 538                 // FIXME : handle greater than 9
 539                 int num = ev->data.b[5] - '0';
 540                 int cur = get_current_history_position();
 541                 num = cur + num - 1;
 542                 if (num > HISTORY_QUEUE_MAX_ITEMS-1)
 543                         num = num-HISTORY_QUEUE_MAX_ITEMS;
 544
 545                 if (num >= 0 && num < HISTORY_QUEUE_MAX_ITEMS)
 546                 {
 547                         DTRACE("## pos : #%d\n", num);
 548                         // FIXME : handle with correct atom
 549                         sprintf(atomname, "CBHM_c%d", num);
 550                         cbhm_atoms[0] = XInternAtom(g_disp, atomname, False);
 551                         if (get_item_contents_by_pos(num) != NULL)
 552                         {
 553                                 XChangeProperty(g_disp, reqwin, cbhm_atoms[0], atomUTF8String,
 554                                                                 8, PropModeReplace,
 555                                                                 (unsigned char *) get_item_contents_by_pos(num),
 556                                                                 (int) strlen(get_item_contents_by_pos(num)));
 557                         }
 558                 }
 559         }
 560         else if (strcmp("get all", ev->data.b) == 0)
 561         {
 562 //              print_history_buffer();
 563                 pos = get_current_history_position();
 564                 for (i = 0; i < 5; i++)
 565                 {
 566                         DTRACE("## %d -> %d\n", i, pos);
 567                         sprintf(atomname, "CBHM_c%d", i);
 568                         cbhm_atoms[i] = XInternAtom(g_disp, atomname, False);
 569                         if (get_item_contents_by_pos(pos) != NULL)
 570                         {
 571                                 XChangeProperty(g_disp, reqwin, cbhm_atoms[i], atomUTF8String,
 572                                                                 8, PropModeReplace,
 573                                                                 (unsigned char *) get_item_contents_by_pos(pos) ,
 574                                                                 (int) strlen(get_item_contents_by_pos(pos)));
 575                         }
 576                         pos--;
 577                         if (pos < 0)
 578                                 pos = HISTORY_QUEUE_MAX_ITEMS-1;
 579                 }
 580         }
 581         else if (strcmp("get raw", ev->data.b) == 0)
 582         {
 583                 if (get_storage_start_addr != NULL)
 584                 {
 585                         XChangeProperty(g_disp, reqwin, atomCBHM_cRAW, atomUTF8String,
 586                                                         8, PropModeReplace,
 587                                                         (unsigned char *) get_storage_start_addr(),
 588                                                         (int) get_total_storage_size());
 589                 }
 590         }
 591         else if (strcmp("show", ev->data.b) == 0)
 592         {
 593                 clipdrawer_activate_view(ad);
 594         }
 595
 596         XFlush(g_disp);
 597
 598         return TRUE;
 599 }
 600
 601 static int _xfocus_out_cb(void *data, int ev_type, void *event)
 602 {
 603         struct appdata *ad = data;
 604
 605         DTRACE("XE:FOCUS OUT\n");
 606
 607         clipdrawer_lower_view(ad);
 608
 609         return TRUE;
 610 }
 611
 612 static Ecore_X_Window get_selection_secondary_target_win()
 613 {
 614         Atom actual_type;
 615         int actual_format;
 616         unsigned long nitems, bytes_after;
 617         unsigned char *prop_return = NULL;
 618         Atom atomCbhmXTarget = XInternAtom(g_disp, "CBHM_XTARGET", False);
 619         static Ecore_X_Window xtarget = None;
 620         if (xtarget != None)
 621                 return xtarget;
 622
 623         if(Success ==
 624            XGetWindowProperty(g_disp, DefaultRootWindow(g_disp), atomCbhmXTarget,
 625                                                   0, sizeof(Ecore_X_Window), False, XA_WINDOW,
 626                                                   &actual_type, &actual_format, &nitems, &bytes_after, &prop_return) &&
 627            prop_return)
 628         {
 629                 xtarget = *(Ecore_X_Window*)prop_return;
 630                 XFree(prop_return);
 631                 fprintf(stderr, "## find clipboard secondary target at root\n");
 632         }
 633         return xtarget;
 634 }
 635
 636 int set_selection_secondary_data(char *sdata)
 637 {
 638         Ecore_X_Window setwin = get_selection_secondary_target_win();
 639         if (setwin == None)
 640                 return 0;
 641
 642         if (sdata == NULL)
 643                 return 0;
 644
 645         int slen = strlen(sdata);
 646
 647         fprintf(stderr, "## cbhm xwin = 0x%x, d = %s\n", setwin, sdata);
 648
 649         ecore_x_selection_secondary_set(setwin, sdata, slen);
 650 }