src/misc.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20 #include "wconfig.h"
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24 #include <X11/Xatom.h>
  25 #include <sys/stat.h>
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <strings.h>
  30 #include <unistd.h>
  31 #include <stdarg.h>
  32 #include <pwd.h>
  33 #include <math.h>
  34 #include <time.h>
  35
  36 #include <X11/XKBlib.h>
  37
  38 #include <WINGs/WUtil.h>
  39 #include <wraster.h>
  40
  41 #include "window.h"
  42 #include "misc.h"
  43 #include "WindowMaker.h"
  44 #include "GNUstep.h"
  45 #include "screen.h"
  46 #include "wcore.h"
  47 #include "window.h"
  48 #include "framewin.h"
  49 #include "dialog.h"
  50 #include "xutil.h"
  51 #include "xmodifier.h"
  52
  53
  54 #define ICON_SIZE wPreferences.icon_size
  55
  56 /**** Local prototypes *****/
  57 static void UnescapeWM_CLASS(const char *str, char **name, char **class);
  58
  59 /* XFetchName Wrapper */
  60 Bool wFetchName(Display *dpy, Window win, char **winname)
  61 {
  62         XTextProperty text_prop;
  63         char **list;
  64         int num;
  65
  66         if (XGetWMName(dpy, win, &text_prop)) {
  67                 if (text_prop.value && text_prop.nitems > 0) {
  68                         if (text_prop.encoding == XA_STRING) {
  69                                 *winname = wstrdup((char *)text_prop.value);
  70                                 XFree(text_prop.value);
  71                         } else {
  72                                 text_prop.nitems = strlen((char *)text_prop.value);
  73                                 if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >=
  74                                     Success && num > 0 && *list) {
  75                                         XFree(text_prop.value);
  76                                         *winname = wstrdup(*list);
  77                                         XFreeStringList(list);
  78                                 } else {
  79                                         *winname = wstrdup((char *)text_prop.value);
  80                                         XFree(text_prop.value);
  81                                 }
  82                         }
  83                 } else {
  84                         /* the title is set, but it was set to none */
  85                         *winname = wstrdup("");
  86                 }
  87                 return True;
  88         } else {
  89                 /* the hint is probably not set */
  90                 *winname = NULL;
  91
  92                 return False;
  93         }
  94 }
  95
  96 /* XGetIconName Wrapper */
  97 Bool wGetIconName(Display *dpy, Window win, char **iconname)
  98 {
  99         XTextProperty text_prop;
 100         char **list;
 101         int num;
 102
 103         if (XGetWMIconName(dpy, win, &text_prop) != 0 && text_prop.value && text_prop.nitems > 0) {
 104                 if (text_prop.encoding == XA_STRING)
 105                         *iconname = (char *)text_prop.value;
 106                 else {
 107                         text_prop.nitems = strlen((char *)text_prop.value);
 108                         if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >= Success && num > 0 && *list) {
 109                                 XFree(text_prop.value);
 110                                 *iconname = wstrdup(*list);
 111                                 XFreeStringList(list);
 112                         } else
 113                                 *iconname = (char *)text_prop.value;
 114                 }
 115                 return True;
 116         }
 117         *iconname = NULL;
 118         return False;
 119 }
 120
 121 static void eatExpose(void)
 122 {
 123         XEvent event, foo;
 124
 125         /* compress all expose events into a single one */
 126
 127         if (XCheckMaskEvent(dpy, ExposureMask, &event)) {
 128                 /* ignore other exposure events for this window */
 129                 while (XCheckWindowEvent(dpy, event.xexpose.window, ExposureMask, &foo)) ;
 130                 /* eat exposes for other windows */
 131                 eatExpose();
 132
 133                 event.xexpose.count = 0;
 134                 XPutBackEvent(dpy, &event);
 135         }
 136 }
 137
 138 void move_window(Window win, int from_x, int from_y, int to_x, int to_y)
 139 {
 140 #ifdef ANIMATIONS
 141         if (wPreferences.no_animations)
 142                 XMoveWindow(dpy, win, to_x, to_y);
 143         else
 144                 SlideWindow(win, from_x, from_y, to_x, to_y);
 145 #else
 146         XMoveWindow(dpy, win, to_x, to_y);
 147 #endif
 148 }
 149
 150 void SlideWindow(Window win, int from_x, int from_y, int to_x, int to_y)
 151 {
 152         Window *wins[1] = { &win };
 153         SlideWindows(wins, 1, from_x, from_y, to_x, to_y);
 154 }
 155
 156 /* wins is an array of Window, sorted from left to right, the first is
 157  * going to be moved from (from_x,from_y) to (to_x,to_y) and the
 158  * following windows are going to be offset by (ICON_SIZE*i,0) */
 159 void SlideWindows(Window *wins[], int n, int from_x, int from_y, int to_x, int to_y)
 160 {
 161         time_t time0 = time(NULL);
 162         float dx, dy, x = from_x, y = from_y, px, py;
 163         Bool is_dx_nul, is_dy_nul;
 164         int dx_is_bigger = 0, dx_int, dy_int;
 165         int slide_delay, slide_steps, slide_slowdown;
 166         int i;
 167
 168         /* animation parameters */
 169         static const struct {
 170                 int delay;
 171                 int steps;
 172                 int slowdown;
 173         } apars[5] = {
 174                 {ICON_SLIDE_DELAY_UF, ICON_SLIDE_STEPS_UF, ICON_SLIDE_SLOWDOWN_UF},
 175                 {ICON_SLIDE_DELAY_F,  ICON_SLIDE_STEPS_F,  ICON_SLIDE_SLOWDOWN_F},
 176                 {ICON_SLIDE_DELAY_M,  ICON_SLIDE_STEPS_M,  ICON_SLIDE_SLOWDOWN_M},
 177                 {ICON_SLIDE_DELAY_S,  ICON_SLIDE_STEPS_S,  ICON_SLIDE_SLOWDOWN_S},
 178                 {ICON_SLIDE_DELAY_US, ICON_SLIDE_STEPS_US, ICON_SLIDE_SLOWDOWN_US}
 179         };
 180
 181         slide_slowdown = apars[(int)wPreferences.icon_slide_speed].slowdown;
 182         slide_steps = apars[(int)wPreferences.icon_slide_speed].steps;
 183         slide_delay = apars[(int)wPreferences.icon_slide_speed].delay;
 184
 185         dx_int = to_x - from_x;
 186         dy_int = to_y - from_y;
 187         is_dx_nul = (dx_int == 0);
 188         is_dy_nul = (dy_int == 0);
 189         dx = (float) dx_int;
 190         dy = (float) dy_int;
 191
 192         if (abs(dx_int) > abs(dy_int)) {
 193                 dx_is_bigger = 1;
 194         }
 195
 196         if (dx_is_bigger) {
 197                 px = dx / slide_slowdown;
 198                 if (px < slide_steps && px > 0)
 199                         px = slide_steps;
 200                 else if (px > -slide_steps && px < 0)
 201                         px = -slide_steps;
 202                 py = (is_dx_nul ? 0.0 : px * dy / dx);
 203         } else {
 204                 py = dy / slide_slowdown;
 205                 if (py < slide_steps && py > 0)
 206                         py = slide_steps;
 207                 else if (py > -slide_steps && py < 0)
 208                         py = -slide_steps;
 209                 px = (is_dy_nul ? 0.0 : py * dx / dy);
 210         }
 211
 212         while (((int)x) != to_x ||
 213                          ((int)y) != to_y) {
 214                 x += px;
 215                 y += py;
 216                 if ((px < 0 && (int)x < to_x) || (px > 0 && (int)x > to_x))
 217                         x = (float)to_x;
 218                 if ((py < 0 && (int)y < to_y) || (py > 0 && (int)y > to_y))
 219                         y = (float)to_y;
 220
 221                 if (dx_is_bigger) {
 222                         px = px * (1.0 - 1 / (float)slide_slowdown);
 223                         if (px < slide_steps && px > 0)
 224                                 px = slide_steps;
 225                         else if (px > -slide_steps && px < 0)
 226                                 px = -slide_steps;
 227                         py = (is_dx_nul ? 0.0 : px * dy / dx);
 228                 } else {
 229                         py = py * (1.0 - 1 / (float)slide_slowdown);
 230                         if (py < slide_steps && py > 0)
 231                                 py = slide_steps;
 232                         else if (py > -slide_steps && py < 0)
 233                                 py = -slide_steps;
 234                         px = (is_dy_nul ? 0.0 : py * dx / dy);
 235                 }
 236
 237                 for (i = 0; i < n; i++) {
 238                         XMoveWindow(dpy, *wins[i], (int)x + i * ICON_SIZE, (int)y);
 239                 }
 240                 XFlush(dpy);
 241                 if (slide_delay > 0) {
 242                         wusleep(slide_delay * 1000L);
 243                 } else {
 244                         wusleep(10);
 245                 }
 246                 if (time(NULL) - time0 > MAX_ANIMATION_TIME)
 247                         break;
 248         }
 249         for (i = 0; i < n; i++) {
 250                 XMoveWindow(dpy, *wins[i], to_x + i * ICON_SIZE, to_y);
 251         }
 252
 253         XSync(dpy, 0);
 254         /* compress expose events */
 255         eatExpose();
 256 }
 257
 258 char *ShrinkString(WMFont *font, const char *string, int width)
 259 {
 260         int w, w1 = 0;
 261         int p;
 262         char *pos;
 263         char *text;
 264         int p1, p2, t;
 265
 266         p = strlen(string);
 267         w = WMWidthOfString(font, string, p);
 268         text = wmalloc(strlen(string) + 8);
 269         strcpy(text, string);
 270         if (w <= width)
 271                 return text;
 272
 273         pos = strchr(text, ' ');
 274         if (!pos)
 275                 pos = strchr(text, ':');
 276
 277         if (pos) {
 278                 *pos = 0;
 279                 p = strlen(text);
 280                 w1 = WMWidthOfString(font, text, p);
 281                 if (w1 > width) {
 282                         p = 0;
 283                         *pos = ' ';
 284                         *text = 0;
 285                 } else {
 286                         *pos = 0;
 287                         width -= w1;
 288                         p++;
 289                 }
 290                 string += p;
 291                 p = strlen(string);
 292         } else {
 293                 *text = 0;
 294         }
 295         strcat(text, "...");
 296         width -= WMWidthOfString(font, "...", 3);
 297
 298         p1 = 0;
 299         p2 = p;
 300         t = (p2 - p1) / 2;
 301         while (p2 > p1 && p1 != t) {
 302                 w = WMWidthOfString(font, &string[p - t], t);
 303                 if (w > width) {
 304                         p2 = t;
 305                         t = p1 + (p2 - p1) / 2;
 306                 } else if (w < width) {
 307                         p1 = t;
 308                         t = p1 + (p2 - p1) / 2;
 309                 } else
 310                         p2 = p1 = t;
 311         }
 312         strcat(text, &string[p - p1]);
 313
 314         return text;
 315 }
 316
 317 char *FindImage(const char *paths, const char *file)
 318 {
 319         char *tmp, *path = NULL;
 320
 321         tmp = strrchr(file, ':');
 322         if (tmp) {
 323                 *tmp = 0;
 324                 path = wfindfile(paths, file);
 325                 *tmp = ':';
 326         }
 327         if (!tmp || !path)
 328                 path = wfindfile(paths, file);
 329
 330         return path;
 331 }
 332
 333 static void timeoutHandler(void *data)
 334 {
 335         *(int *)data = 1;
 336 }
 337
 338 static char *getTextSelection(WScreen * screen, Atom selection)
 339 {
 340         int buffer = -1;
 341
 342         switch (selection) {
 343         case XA_CUT_BUFFER0:
 344                 buffer = 0;
 345                 break;
 346         case XA_CUT_BUFFER1:
 347                 buffer = 1;
 348                 break;
 349         case XA_CUT_BUFFER2:
 350                 buffer = 2;
 351                 break;
 352         case XA_CUT_BUFFER3:
 353                 buffer = 3;
 354                 break;
 355         case XA_CUT_BUFFER4:
 356                 buffer = 4;
 357                 break;
 358         case XA_CUT_BUFFER5:
 359                 buffer = 5;
 360                 break;
 361         case XA_CUT_BUFFER6:
 362                 buffer = 6;
 363                 break;
 364         case XA_CUT_BUFFER7:
 365                 buffer = 7;
 366                 break;
 367         }
 368         if (buffer >= 0) {
 369                 char *data;
 370                 int size;
 371
 372                 data = XFetchBuffer(dpy, &size, buffer);
 373
 374                 return data;
 375         } else {
 376                 char *data;
 377                 int bits;
 378                 Atom rtype;
 379                 unsigned long len, bytes;
 380                 WMHandlerID timer;
 381                 int timeout = 0;
 382                 XEvent ev;
 383                 static Atom clipboard = 0;
 384
 385                 if (!clipboard)
 386                         clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 387
 388                 XDeleteProperty(dpy, screen->info_window, clipboard);
 389
 390                 XConvertSelection(dpy, selection, XA_STRING, clipboard, screen->info_window, CurrentTime);
 391
 392                 timer = WMAddTimerHandler(1000, timeoutHandler, &timeout);
 393
 394                 while (!XCheckTypedWindowEvent(dpy, screen->info_window, SelectionNotify, &ev) && !timeout) ;
 395
 396                 if (!timeout) {
 397                         WMDeleteTimerHandler(timer);
 398                 } else {
 399                         wwarning("selection retrieval timed out");
 400                         return NULL;
 401                 }
 402
 403                 /* nobody owns the selection or the current owner has
 404                  * nothing to do with what we need */
 405                 if (ev.xselection.property == None) {
 406                         return NULL;
 407                 }
 408
 409                 if (XGetWindowProperty(dpy, screen->info_window,
 410                                        clipboard, 0, 1024,
 411                                        False, XA_STRING, &rtype, &bits, &len,
 412                                        &bytes, (unsigned char **)&data) != Success) {
 413                         return NULL;
 414                 }
 415                 if (rtype != XA_STRING || bits != 8) {
 416                         wwarning("invalid data in text selection");
 417                         if (data)
 418                                 XFree(data);
 419                         return NULL;
 420                 }
 421                 return data;
 422         }
 423 }
 424
 425 static char *getselection(WScreen * scr)
 426 {
 427         char *tmp;
 428
 429         tmp = getTextSelection(scr, XA_PRIMARY);
 430         if (!tmp)
 431                 tmp = getTextSelection(scr, XA_CUT_BUFFER0);
 432         return tmp;
 433 }
 434
 435 static char*
 436 parseuserinputpart(const char *line, int *ptr, const char *endchars)
 437 {
 438         int depth = 0, begin;
 439         char *value = NULL;
 440         begin = ++*ptr;
 441
 442         while(line[*ptr] != '\0') {
 443                 if(line[*ptr] == '(') {
 444                         ++depth;
 445                 } else if(depth > 0 && line[*ptr] == ')') {
 446                         --depth;
 447                 } else if(depth == 0 && strchr(endchars, line[*ptr]) != NULL) {
 448                         value = wmalloc(*ptr - begin + 1);
 449                         strncpy(value, line + begin, *ptr - begin);
 450                         value[*ptr - begin] = '\0';
 451                         break;
 452                 }
 453                 ++*ptr;
 454         }
 455
 456         return value;
 457 }
 458
 459 static char*
 460 getuserinput(WScreen *scr, const char *line, int *ptr, Bool advanced)
 461 {
 462     char *ret = NULL, *title = NULL, *prompt = NULL, *name = NULL;
 463     int rv;
 464
 465     if(line[*ptr] == '(')
 466         title = parseuserinputpart(line, ptr, ",)");
 467     if(title != NULL && line[*ptr] == ',')
 468         prompt = parseuserinputpart(line, ptr, ",)");
 469     if(prompt != NULL && line[*ptr] == ',')
 470         name = parseuserinputpart(line, ptr, ")");
 471
 472     if(advanced)
 473         rv = wAdvancedInputDialog(scr,
 474                 title ? _(title):_("Program Arguments"),
 475                 prompt ? _(prompt):_("Enter command arguments:"),
 476                 name, &ret);
 477     else
 478         rv = wInputDialog(scr,
 479                 title ? _(title):_("Program Arguments"),
 480                 prompt ? _(prompt):_("Enter command arguments:"),
 481                 &ret);
 482
 483     if(title) wfree(title);
 484     if(prompt) wfree(prompt);
 485     if(name) wfree(name);
 486
 487     return rv ? ret : NULL;
 488 }
 489
 490 #define S_NORMAL 0
 491 #define S_ESCAPE 1
 492 #define S_OPTION 2
 493
 494 /*
 495  * state        input   new-state       output
 496  * NORMAL       %       OPTION          <nil>
 497  * NORMAL       \       ESCAPE          <nil>
 498  * NORMAL       etc.    NORMAL          <input>
 499  * ESCAPE       any     NORMAL          <input>
 500  * OPTION       s       NORMAL          <selection buffer>
 501  * OPTION       w       NORMAL          <selected window id>
 502  * OPTION       a       NORMAL          <input text>
 503  * OPTION       d       NORMAL          <OffiX DND selection object>
 504  * OPTION       W       NORMAL          <current workspace>
 505  * OPTION       etc.    NORMAL          %<input>
 506  */
 507 #define TMPBUFSIZE 64
 508 char *ExpandOptions(WScreen *scr, const char *cmdline)
 509 {
 510         int ptr, optr, state, len, olen;
 511         char *out, *nout;
 512         char *selection = NULL;
 513         char *user_input = NULL;
 514 #ifdef XDND
 515         char *dropped_thing = NULL;
 516 #endif
 517         char tmpbuf[TMPBUFSIZE];
 518         int slen;
 519
 520         len = strlen(cmdline);
 521         olen = len + 1;
 522         out = malloc(olen);
 523         if (!out) {
 524                 wwarning(_("out of memory during expansion of \"%s\""), cmdline);
 525                 return NULL;
 526         }
 527         *out = 0;
 528         ptr = 0;                /* input line pointer */
 529         optr = 0;               /* output line pointer */
 530         state = S_NORMAL;
 531         while (ptr < len) {
 532                 switch (state) {
 533                 case S_NORMAL:
 534                         switch (cmdline[ptr]) {
 535                         case '\\':
 536                                 state = S_ESCAPE;
 537                                 break;
 538                         case '%':
 539                                 state = S_OPTION;
 540                                 break;
 541                         default:
 542                                 state = S_NORMAL;
 543                                 out[optr++] = cmdline[ptr];
 544                                 break;
 545                         }
 546                         break;
 547                 case S_ESCAPE:
 548                         switch (cmdline[ptr]) {
 549                         case 'n':
 550                                 out[optr++] = 10;
 551                                 break;
 552
 553                         case 'r':
 554                                 out[optr++] = 13;
 555                                 break;
 556
 557                         case 't':
 558                                 out[optr++] = 9;
 559                                 break;
 560
 561                         default:
 562                                 out[optr++] = cmdline[ptr];
 563                         }
 564                         state = S_NORMAL;
 565                         break;
 566                 case S_OPTION:
 567                         state = S_NORMAL;
 568                         switch (cmdline[ptr]) {
 569                         case 'w':
 570                                 if (scr->focused_window && scr->focused_window->flags.focused) {
 571                                         snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 572                                                  (unsigned int)scr->focused_window->client_win);
 573                                         slen = strlen(tmpbuf);
 574                                         olen += slen;
 575                                         nout = realloc(out, olen);
 576                                         if (!nout) {
 577                                                 wwarning(_("out of memory during expansion of \"%%w\""));
 578                                                 goto error;
 579                                         }
 580                                         out = nout;
 581                                         strcat(out, tmpbuf);
 582                                         optr += slen;
 583                                 } else {
 584                                         out[optr++] = ' ';
 585                                 }
 586                                 break;
 587
 588                         case 'W':
 589                                 snprintf(tmpbuf, sizeof(tmpbuf), "0x%x", (unsigned int)w_global.workspace.current + 1);
 590                                 slen = strlen(tmpbuf);
 591                                 olen += slen;
 592                                 nout = realloc(out, olen);
 593                                 if (!nout) {
 594                                         wwarning(_("out of memory during expansion of \"%%W\""));
 595                                         goto error;
 596                                 }
 597                                 out = nout;
 598                                 strcat(out, tmpbuf);
 599                                 optr += slen;
 600                                 break;
 601
 602                         case 'a':
 603                         case 'A':
 604                                 ptr++;
 605                                 user_input = getuserinput(scr, cmdline, &ptr, cmdline[ptr-1] == 'A');
 606                                 if (user_input) {
 607                                         slen = strlen(user_input);
 608                                         olen += slen;
 609                                         nout = realloc(out, olen);
 610                                         if (!nout) {
 611                                                 wwarning(_("out of memory during expansion of \"%%a\""));
 612                                                 goto error;
 613                                         }
 614                                         out = nout;
 615                                         strcat(out, user_input);
 616                                         optr += slen;
 617                                 } else {
 618                                         /* Not an error, but user has Canceled the dialog box.
 619                                          * This will make the command to not be performed. */
 620                                         goto error;
 621                                 }
 622                                 break;
 623
 624 #ifdef XDND
 625                         case 'd':
 626                                 if (scr->xdestring) {
 627                                         dropped_thing = wstrdup(scr->xdestring);
 628                                 }
 629                                 if (!dropped_thing) {
 630                                         scr->flags.dnd_data_convertion_status = 1;
 631                                         goto error;
 632                                 }
 633                                 slen = strlen(dropped_thing);
 634                                 olen += slen;
 635                                 nout = realloc(out, olen);
 636                                 if (!nout) {
 637                                         wwarning(_("out of memory during expansion of \"%%d\""));
 638                                         goto error;
 639                                 }
 640                                 out = nout;
 641                                 strcat(out, dropped_thing);
 642                                 optr += slen;
 643                                 break;
 644 #endif                          /* XDND */
 645
 646                         case 's':
 647                                 if (!selection) {
 648                                         selection = getselection(scr);
 649                                 }
 650                                 if (!selection) {
 651                                         wwarning(_("selection not available"));
 652                                         goto error;
 653                                 }
 654                                 slen = strlen(selection);
 655                                 olen += slen;
 656                                 nout = realloc(out, olen);
 657                                 if (!nout) {
 658                                         wwarning(_("out of memory during expansion of \"%%s\""));
 659                                         goto error;
 660                                 }
 661                                 out = nout;
 662                                 strcat(out, selection);
 663                                 optr += slen;
 664                                 break;
 665
 666                         default:
 667                                 out[optr++] = '%';
 668                                 out[optr++] = cmdline[ptr];
 669                         }
 670                         break;
 671                 }
 672                 out[optr] = 0;
 673                 ptr++;
 674         }
 675         if (selection)
 676                 XFree(selection);
 677         return out;
 678
 679  error:
 680         wfree(out);
 681         if (selection)
 682                 XFree(selection);
 683         return NULL;
 684 }
 685
 686 void ParseWindowName(WMPropList *value, char **winstance, char **wclass, const char *where)
 687 {
 688         char *name;
 689
 690         *winstance = *wclass = NULL;
 691
 692         if (!WMIsPLString(value)) {
 693                 wwarning(_("bad window name value in %s state info"), where);
 694                 return;
 695         }
 696
 697         name = WMGetFromPLString(value);
 698         if (!name || strlen(name) == 0) {
 699                 wwarning(_("bad window name value in %s state info"), where);
 700                 return;
 701         }
 702
 703         UnescapeWM_CLASS(name, winstance, wclass);
 704 }
 705
 706 #if 0
 707 static char *keysymToString(KeySym keysym, unsigned int state)
 708 {
 709         XKeyEvent kev;
 710         char *buf = wmalloc(20);
 711         int count;
 712
 713         kev.display = dpy;
 714         kev.type = KeyPress;
 715         kev.send_event = False;
 716         kev.window = DefaultRootWindow(dpy);
 717         kev.root = DefaultRootWindow(dpy);
 718         kev.same_screen = True;
 719         kev.subwindow = kev.root;
 720         kev.serial = 0x12344321;
 721         kev.time = CurrentTime;
 722         kev.state = state;
 723         kev.keycode = XKeysymToKeycode(dpy, keysym);
 724         count = XLookupString(&kev, buf, 19, NULL, NULL);
 725         buf[count] = 0;
 726
 727         return buf;
 728 }
 729 #endif
 730
 731 char *GetShortcutString(const char *shortcut)
 732 {
 733         char *buffer = NULL;
 734         char *k, *tmp, *text;
 735
 736         tmp = text = wstrdup(shortcut);
 737
 738         /* get modifiers */
 739         while ((k = strchr(text, '+')) != NULL) {
 740                 int mod;
 741                 const char *lbl;
 742
 743                 *k = 0;
 744                 mod = wXModifierFromKey(text);
 745                 if (mod < 0) {
 746                         return wstrdup("bug");
 747                 }
 748                 lbl = wXModifierToShortcutLabel(mod);
 749                 if (lbl)
 750                         buffer = wstrappend(buffer, lbl);
 751                 else
 752                         buffer = wstrappend(buffer, text);
 753                 text = k + 1;
 754         }
 755
 756         buffer = wstrappend(buffer, text);
 757         wfree(tmp);
 758
 759         return buffer;
 760 }
 761
 762 char *GetShortcutKey(WShortKey key)
 763 {
 764         char *tmp = NULL;
 765         char *k = XKeysymToString(XkbKeycodeToKeysym(dpy, key.keycode, 0, 0));
 766         if (!k) return NULL;
 767
 768         char **m = wPreferences.modifier_labels;
 769         if (key.modifier & ControlMask) tmp = wstrappend(tmp, m[1] ? m[1] : "Control+");
 770         if (key.modifier & ShiftMask)   tmp = wstrappend(tmp, m[0] ? m[0] : "Shift+");
 771         if (key.modifier & Mod1Mask)    tmp = wstrappend(tmp, m[2] ? m[2] : "Mod1+");
 772         if (key.modifier & Mod2Mask)    tmp = wstrappend(tmp, m[3] ? m[3] : "Mod2+");
 773         if (key.modifier & Mod3Mask)    tmp = wstrappend(tmp, m[4] ? m[4] : "Mod3+");
 774         if (key.modifier & Mod4Mask)    tmp = wstrappend(tmp, m[5] ? m[5] : "Mod4+");
 775         if (key.modifier & Mod5Mask)    tmp = wstrappend(tmp, m[6] ? m[6] : "Mod5+");
 776         tmp = wstrappend(tmp, k);
 777
 778         return GetShortcutString(tmp);
 779 }
 780
 781 char *EscapeWM_CLASS(const char *name, const char *class)
 782 {
 783         char *ret;
 784         char *ename = NULL, *eclass = NULL;
 785         int i, j, l;
 786
 787         if (!name && !class)
 788                 return NULL;
 789
 790         if (name) {
 791                 l = strlen(name);
 792                 ename = wmalloc(l * 2 + 1);
 793                 j = 0;
 794                 for (i = 0; i < l; i++) {
 795                         if (name[i] == '\\') {
 796                                 ename[j++] = '\\';
 797                         } else if (name[i] == '.') {
 798                                 ename[j++] = '\\';
 799                         }
 800                         ename[j++] = name[i];
 801                 }
 802                 ename[j] = 0;
 803         }
 804         if (class) {
 805                 l = strlen(class);
 806                 eclass = wmalloc(l * 2 + 1);
 807                 j = 0;
 808                 for (i = 0; i < l; i++) {
 809                         if (class[i] == '\\') {
 810                                 eclass[j++] = '\\';
 811                         } else if (class[i] == '.') {
 812                                 eclass[j++] = '\\';
 813                         }
 814                         eclass[j++] = class[i];
 815                 }
 816                 eclass[j] = 0;
 817         }
 818
 819         if (ename && eclass) {
 820                 int len = strlen(ename) + strlen(eclass) + 4;
 821                 ret = wmalloc(len);
 822                 snprintf(ret, len, "%s.%s", ename, eclass);
 823                 wfree(ename);
 824                 wfree(eclass);
 825         } else if (ename) {
 826                 ret = wstrdup(ename);
 827                 wfree(ename);
 828         } else {
 829                 ret = wstrdup(eclass);
 830                 wfree(eclass);
 831         }
 832
 833         return ret;
 834 }
 835
 836 static void UnescapeWM_CLASS(const char *str, char **name, char **class)
 837 {
 838         int i, j, k, dot;
 839
 840         j = strlen(str);
 841         *name = wmalloc(j);
 842         **name = 0;
 843         *class = wmalloc(j);
 844         **class = 0;
 845
 846         /* separate string in 2 parts */
 847         dot = -1;
 848         for (i = 0; i < j; i++) {
 849                 if (str[i] == '\\') {
 850                         i++;
 851                         continue;
 852                 } else if (str[i] == '.') {
 853                         dot = i;
 854                         break;
 855                 }
 856         }
 857
 858         /* unescape strings */
 859         for (i = 0, k = 0; i < dot; i++) {
 860                 if (str[i] == '\\') {
 861                         continue;
 862                 } else {
 863                         (*name)[k++] = str[i];
 864                 }
 865         }
 866         (*name)[k] = 0;
 867
 868         for (i = dot + 1, k = 0; i < j; i++) {
 869                 if (str[i] == '\\') {
 870                         continue;
 871                 } else {
 872                         (*class)[k++] = str[i];
 873                 }
 874         }
 875         (*class)[k] = 0;
 876
 877         if (!*name) {
 878                 wfree(*name);
 879                 *name = NULL;
 880         }
 881         if (!*class) {
 882                 wfree(*class);
 883                 *class = NULL;
 884         }
 885 }
 886
 887 void SendHelperMessage(WScreen *scr, char type, int workspace, const char *msg)
 888 {
 889         char *buffer;
 890         int len;
 891         int i;
 892         char buf[16];
 893
 894         if (!scr->flags.backimage_helper_launched) {
 895                 return;
 896         }
 897
 898         len = (msg ? strlen(msg) : 0) + (workspace >= 0 ? 4 : 0) + 1;
 899         buffer = wmalloc(len + 5);
 900         snprintf(buf, sizeof(buf), "%4i", len);
 901         memcpy(buffer, buf, 4);
 902         buffer[4] = type;
 903         i = 5;
 904         if (workspace >= 0) {
 905                 snprintf(buf, sizeof(buf), "%4i", workspace);
 906                 memcpy(&buffer[i], buf, 4);
 907                 i += 4;
 908                 buffer[i] = 0;
 909         }
 910         if (msg)
 911                 strcpy(&buffer[i], msg);
 912
 913         if (write(scr->helper_fd, buffer, len + 4) < 0) {
 914                 werror(_("could not send message to background image helper"));
 915         }
 916         wfree(buffer);
 917 }
 918
 919 Bool UpdateDomainFile(WDDomain * domain)
 920 {
 921         struct stat stbuf;
 922         char path[PATH_MAX];
 923         WMPropList *shared_dict, *dict;
 924         Bool result, freeDict = False;
 925
 926         dict = domain->dictionary;
 927         if (WMIsPLDictionary(domain->dictionary)) {
 928                 /* retrieve global system dictionary */
 929                 snprintf(path, sizeof(path), "%s/WindowMaker/%s", SYSCONFDIR, domain->domain_name);
 930                 if (stat(path, &stbuf) >= 0) {
 931                         shared_dict = WMReadPropListFromFile(path);
 932                         if (shared_dict) {
 933                                 if (WMIsPLDictionary(shared_dict)) {
 934                                         freeDict = True;
 935                                         dict = WMDeepCopyPropList(domain->dictionary);
 936                                         WMSubtractPLDictionaries(dict, shared_dict, True);
 937                                 }
 938                                 WMReleasePropList(shared_dict);
 939                         }
 940                 }
 941         }
 942
 943         result = WMWritePropListToFile(dict, domain->path);
 944
 945         if (freeDict) {
 946                 WMReleasePropList(dict);
 947         }
 948
 949         return result;
 950 }
 951
 952 char *StrConcatDot(const char *a, const char *b)
 953 {
 954         int len;
 955         char *str;
 956
 957         if (!a)
 958                 a = "";
 959         if (!b)
 960                 b = "";
 961
 962         len = strlen(a) + strlen(b) + 4;
 963         str = wmalloc(len);
 964
 965         snprintf(str, len, "%s.%s", a, b);
 966
 967         return str;
 968 }
 969
 970 static char *getCommandForWindow(Window win, int elements)
 971 {
 972         char **argv, *command = NULL;
 973         int argc;
 974
 975         if (XGetCommand(dpy, win, &argv, &argc)) {
 976                 if (argc > 0 && argv != NULL) {
 977                         if (elements == 0)
 978                                 elements = argc;
 979                         command = wtokenjoin(argv, WMIN(argc, elements));
 980                         if (command[0] == 0) {
 981                                 wfree(command);
 982                                 command = NULL;
 983                         }
 984                 }
 985                 if (argv) {
 986                         XFreeStringList(argv);
 987                 }
 988         }
 989
 990         return command;
 991 }
 992
 993 /* Free result when done */
 994 char *GetCommandForWindow(Window win)
 995 {
 996         return getCommandForWindow(win, 0);
 997 }