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                         w1 = 0;
 283                         p = 0;
 284                         *pos = ' ';
 285                         *text = 0;
 286                 } else {
 287                         *pos = 0;
 288                         width -= w1;
 289                         p++;
 290                 }
 291                 string += p;
 292                 p = strlen(string);
 293         } else {
 294                 *text = 0;
 295         }
 296         strcat(text, "...");
 297         width -= WMWidthOfString(font, "...", 3);
 298
 299         p1 = 0;
 300         p2 = p;
 301         t = (p2 - p1) / 2;
 302         while (p2 > p1 && p1 != t) {
 303                 w = WMWidthOfString(font, &string[p - t], t);
 304                 if (w > width) {
 305                         p2 = t;
 306                         t = p1 + (p2 - p1) / 2;
 307                 } else if (w < width) {
 308                         p1 = t;
 309                         t = p1 + (p2 - p1) / 2;
 310                 } else
 311                         p2 = p1 = t;
 312         }
 313         strcat(text, &string[p - p1]);
 314
 315         return text;
 316 }
 317
 318 char *FindImage(const char *paths, const char *file)
 319 {
 320         char *tmp, *path = NULL;
 321
 322         tmp = strrchr(file, ':');
 323         if (tmp) {
 324                 *tmp = 0;
 325                 path = wfindfile(paths, file);
 326                 *tmp = ':';
 327         }
 328         if (!tmp || !path)
 329                 path = wfindfile(paths, file);
 330
 331         return path;
 332 }
 333
 334 static void timeoutHandler(void *data)
 335 {
 336         *(int *)data = 1;
 337 }
 338
 339 static char *getTextSelection(WScreen * screen, Atom selection)
 340 {
 341         int buffer = -1;
 342
 343         switch (selection) {
 344         case XA_CUT_BUFFER0:
 345                 buffer = 0;
 346                 break;
 347         case XA_CUT_BUFFER1:
 348                 buffer = 1;
 349                 break;
 350         case XA_CUT_BUFFER2:
 351                 buffer = 2;
 352                 break;
 353         case XA_CUT_BUFFER3:
 354                 buffer = 3;
 355                 break;
 356         case XA_CUT_BUFFER4:
 357                 buffer = 4;
 358                 break;
 359         case XA_CUT_BUFFER5:
 360                 buffer = 5;
 361                 break;
 362         case XA_CUT_BUFFER6:
 363                 buffer = 6;
 364                 break;
 365         case XA_CUT_BUFFER7:
 366                 buffer = 7;
 367                 break;
 368         }
 369         if (buffer >= 0) {
 370                 char *data;
 371                 int size;
 372
 373                 data = XFetchBuffer(dpy, &size, buffer);
 374
 375                 return data;
 376         } else {
 377                 char *data;
 378                 int bits;
 379                 Atom rtype;
 380                 unsigned long len, bytes;
 381                 WMHandlerID timer;
 382                 int timeout = 0;
 383                 XEvent ev;
 384                 static Atom clipboard = 0;
 385
 386                 if (!clipboard)
 387                         clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 388
 389                 XDeleteProperty(dpy, screen->info_window, clipboard);
 390
 391                 XConvertSelection(dpy, selection, XA_STRING, clipboard, screen->info_window, CurrentTime);
 392
 393                 timer = WMAddTimerHandler(1000, timeoutHandler, &timeout);
 394
 395                 while (!XCheckTypedWindowEvent(dpy, screen->info_window, SelectionNotify, &ev) && !timeout) ;
 396
 397                 if (!timeout) {
 398                         WMDeleteTimerHandler(timer);
 399                 } else {
 400                         wwarning("selection retrieval timed out");
 401                         return NULL;
 402                 }
 403
 404                 /* nobody owns the selection or the current owner has
 405                  * nothing to do with what we need */
 406                 if (ev.xselection.property == None) {
 407                         return NULL;
 408                 }
 409
 410                 if (XGetWindowProperty(dpy, screen->info_window,
 411                                        clipboard, 0, 1024,
 412                                        False, XA_STRING, &rtype, &bits, &len,
 413                                        &bytes, (unsigned char **)&data) != Success) {
 414                         return NULL;
 415                 }
 416                 if (rtype != XA_STRING || bits != 8) {
 417                         wwarning("invalid data in text selection");
 418                         if (data)
 419                                 XFree(data);
 420                         return NULL;
 421                 }
 422                 return data;
 423         }
 424 }
 425
 426 static char *getselection(WScreen * scr)
 427 {
 428         char *tmp;
 429
 430         tmp = getTextSelection(scr, XA_PRIMARY);
 431         if (!tmp)
 432                 tmp = getTextSelection(scr, XA_CUT_BUFFER0);
 433         return tmp;
 434 }
 435
 436 static char*
 437 parseuserinputpart(const char *line, int *ptr, const char *endchars)
 438 {
 439         int depth = 0, begin;
 440         char *value = NULL;
 441         begin = ++*ptr;
 442
 443         while(line[*ptr] != '\0') {
 444                 if(line[*ptr] == '(') {
 445                         ++depth;
 446                 } else if(depth > 0 && line[*ptr] == ')') {
 447                         --depth;
 448                 } else if(depth == 0 && strchr(endchars, line[*ptr]) != NULL) {
 449                         value = wmalloc(*ptr - begin + 1);
 450                         strncpy(value, line + begin, *ptr - begin);
 451                         value[*ptr - begin] = '\0';
 452                         break;
 453                 }
 454                 ++*ptr;
 455         }
 456
 457         return value;
 458 }
 459
 460 static char*
 461 getuserinput(WScreen *scr, const char *line, int *ptr, Bool advanced)
 462 {
 463     char *ret = NULL, *title = NULL, *prompt = NULL, *name = NULL;
 464     int rv;
 465
 466     if(line[*ptr] == '(')
 467         title = parseuserinputpart(line, ptr, ",)");
 468     if(title != NULL && line[*ptr] == ',')
 469         prompt = parseuserinputpart(line, ptr, ",)");
 470     if(prompt != NULL && line[*ptr] == ',')
 471         name = parseuserinputpart(line, ptr, ")");
 472
 473     if(advanced)
 474         rv = wAdvancedInputDialog(scr,
 475                 title ? _(title):_("Program Arguments"),
 476                 prompt ? _(prompt):_("Enter command arguments:"),
 477                 name, &ret);
 478     else
 479         rv = wInputDialog(scr,
 480                 title ? _(title):_("Program Arguments"),
 481                 prompt ? _(prompt):_("Enter command arguments:"),
 482                 &ret);
 483
 484     if(title) wfree(title);
 485     if(prompt) wfree(prompt);
 486     if(name) wfree(name);
 487
 488     return rv ? ret : NULL;
 489 }
 490
 491 #define S_NORMAL 0
 492 #define S_ESCAPE 1
 493 #define S_OPTION 2
 494
 495 /*
 496  * state        input   new-state       output
 497  * NORMAL       %       OPTION          <nil>
 498  * NORMAL       \       ESCAPE          <nil>
 499  * NORMAL       etc.    NORMAL          <input>
 500  * ESCAPE       any     NORMAL          <input>
 501  * OPTION       s       NORMAL          <selection buffer>
 502  * OPTION       w       NORMAL          <selected window id>
 503  * OPTION       a       NORMAL          <input text>
 504  * OPTION       d       NORMAL          <OffiX DND selection object>
 505  * OPTION       W       NORMAL          <current workspace>
 506  * OPTION       etc.    NORMAL          %<input>
 507  */
 508 #define TMPBUFSIZE 64
 509 char *ExpandOptions(WScreen *scr, const char *cmdline)
 510 {
 511         int ptr, optr, state, len, olen;
 512         char *out, *nout;
 513         char *selection = NULL;
 514         char *user_input = NULL;
 515 #ifdef XDND
 516         char *dropped_thing = NULL;
 517 #endif
 518         char tmpbuf[TMPBUFSIZE];
 519         int slen;
 520
 521         len = strlen(cmdline);
 522         olen = len + 1;
 523         out = malloc(olen);
 524         if (!out) {
 525                 wwarning(_("out of memory during expansion of \"%s\""), cmdline);
 526                 return NULL;
 527         }
 528         *out = 0;
 529         ptr = 0;                /* input line pointer */
 530         optr = 0;               /* output line pointer */
 531         state = S_NORMAL;
 532         while (ptr < len) {
 533                 switch (state) {
 534                 case S_NORMAL:
 535                         switch (cmdline[ptr]) {
 536                         case '\\':
 537                                 state = S_ESCAPE;
 538                                 break;
 539                         case '%':
 540                                 state = S_OPTION;
 541                                 break;
 542                         default:
 543                                 state = S_NORMAL;
 544                                 out[optr++] = cmdline[ptr];
 545                                 break;
 546                         }
 547                         break;
 548                 case S_ESCAPE:
 549                         switch (cmdline[ptr]) {
 550                         case 'n':
 551                                 out[optr++] = 10;
 552                                 break;
 553
 554                         case 'r':
 555                                 out[optr++] = 13;
 556                                 break;
 557
 558                         case 't':
 559                                 out[optr++] = 9;
 560                                 break;
 561
 562                         default:
 563                                 out[optr++] = cmdline[ptr];
 564                         }
 565                         state = S_NORMAL;
 566                         break;
 567                 case S_OPTION:
 568                         state = S_NORMAL;
 569                         switch (cmdline[ptr]) {
 570                         case 'w':
 571                                 if (scr->focused_window && scr->focused_window->flags.focused) {
 572                                         snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 573                                                  (unsigned int)scr->focused_window->client_win);
 574                                         slen = strlen(tmpbuf);
 575                                         olen += slen;
 576                                         nout = realloc(out, olen);
 577                                         if (!nout) {
 578                                                 wwarning(_("out of memory during expansion of \"%%w\""));
 579                                                 goto error;
 580                                         }
 581                                         out = nout;
 582                                         strcat(out, tmpbuf);
 583                                         optr += slen;
 584                                 } else {
 585                                         out[optr++] = ' ';
 586                                 }
 587                                 break;
 588
 589                         case 'W':
 590                                 snprintf(tmpbuf, sizeof(tmpbuf), "0x%x", (unsigned int)w_global.workspace.current + 1);
 591                                 slen = strlen(tmpbuf);
 592                                 olen += slen;
 593                                 nout = realloc(out, olen);
 594                                 if (!nout) {
 595                                         wwarning(_("out of memory during expansion of \"%%W\""));
 596                                         goto error;
 597                                 }
 598                                 out = nout;
 599                                 strcat(out, tmpbuf);
 600                                 optr += slen;
 601                                 break;
 602
 603                         case 'a':
 604                         case 'A':
 605                                 ptr++;
 606                                 user_input = getuserinput(scr, cmdline, &ptr, cmdline[ptr-1] == 'A');
 607                                 if (user_input) {
 608                                         slen = strlen(user_input);
 609                                         olen += slen;
 610                                         nout = realloc(out, olen);
 611                                         if (!nout) {
 612                                                 wwarning(_("out of memory during expansion of \"%%a\""));
 613                                                 goto error;
 614                                         }
 615                                         out = nout;
 616                                         strcat(out, user_input);
 617                                         optr += slen;
 618                                 } else {
 619                                         /* Not an error, but user has Canceled the dialog box.
 620                                          * This will make the command to not be performed. */
 621                                         goto error;
 622                                 }
 623                                 break;
 624
 625 #ifdef XDND
 626                         case 'd':
 627                                 if (scr->xdestring) {
 628                                         dropped_thing = wstrdup(scr->xdestring);
 629                                 }
 630                                 if (!dropped_thing) {
 631                                         dropped_thing = get_dnd_selection(scr);
 632                                 }
 633                                 if (!dropped_thing) {
 634                                         scr->flags.dnd_data_convertion_status = 1;
 635                                         goto error;
 636                                 }
 637                                 slen = strlen(dropped_thing);
 638                                 olen += slen;
 639                                 nout = realloc(out, olen);
 640                                 if (!nout) {
 641                                         wwarning(_("out of memory during expansion of \"%%d\""));
 642                                         goto error;
 643                                 }
 644                                 out = nout;
 645                                 strcat(out, dropped_thing);
 646                                 optr += slen;
 647                                 break;
 648 #endif                          /* XDND */
 649
 650                         case 's':
 651                                 if (!selection) {
 652                                         selection = getselection(scr);
 653                                 }
 654                                 if (!selection) {
 655                                         wwarning(_("selection not available"));
 656                                         goto error;
 657                                 }
 658                                 slen = strlen(selection);
 659                                 olen += slen;
 660                                 nout = realloc(out, olen);
 661                                 if (!nout) {
 662                                         wwarning(_("out of memory during expansion of \"%%s\""));
 663                                         goto error;
 664                                 }
 665                                 out = nout;
 666                                 strcat(out, selection);
 667                                 optr += slen;
 668                                 break;
 669
 670                         default:
 671                                 out[optr++] = '%';
 672                                 out[optr++] = cmdline[ptr];
 673                         }
 674                         break;
 675                 }
 676                 out[optr] = 0;
 677                 ptr++;
 678         }
 679         if (selection)
 680                 XFree(selection);
 681         return out;
 682
 683  error:
 684         wfree(out);
 685         if (selection)
 686                 XFree(selection);
 687         return NULL;
 688 }
 689
 690 void ParseWindowName(WMPropList *value, char **winstance, char **wclass, const char *where)
 691 {
 692         char *name;
 693
 694         *winstance = *wclass = NULL;
 695
 696         if (!WMIsPLString(value)) {
 697                 wwarning(_("bad window name value in %s state info"), where);
 698                 return;
 699         }
 700
 701         name = WMGetFromPLString(value);
 702         if (!name || strlen(name) == 0) {
 703                 wwarning(_("bad window name value in %s state info"), where);
 704                 return;
 705         }
 706
 707         UnescapeWM_CLASS(name, winstance, wclass);
 708 }
 709
 710 #if 0
 711 static char *keysymToString(KeySym keysym, unsigned int state)
 712 {
 713         XKeyEvent kev;
 714         char *buf = wmalloc(20);
 715         int count;
 716
 717         kev.display = dpy;
 718         kev.type = KeyPress;
 719         kev.send_event = False;
 720         kev.window = DefaultRootWindow(dpy);
 721         kev.root = DefaultRootWindow(dpy);
 722         kev.same_screen = True;
 723         kev.subwindow = kev.root;
 724         kev.serial = 0x12344321;
 725         kev.time = CurrentTime;
 726         kev.state = state;
 727         kev.keycode = XKeysymToKeycode(dpy, keysym);
 728         count = XLookupString(&kev, buf, 19, NULL, NULL);
 729         buf[count] = 0;
 730
 731         return buf;
 732 }
 733 #endif
 734
 735 char *GetShortcutString(const char *shortcut)
 736 {
 737         char *buffer = NULL;
 738         char *k;
 739         int modmask = 0;
 740         /*    KeySym ksym; */
 741         int control = 0;
 742         char *tmp, *text;
 743
 744         tmp = text = wstrdup(shortcut);
 745
 746         /* get modifiers */
 747         while ((k = strchr(text, '+')) != NULL) {
 748                 int mod;
 749
 750                 *k = 0;
 751                 mod = wXModifierFromKey(text);
 752                 if (mod < 0) {
 753                         return wstrdup("bug");
 754                 }
 755
 756                 modmask |= mod;
 757
 758                 if (strcasecmp(text, "Meta") == 0) {
 759                         buffer = wstrappend(buffer, "M+");
 760                 } else if (strcasecmp(text, "Alt") == 0) {
 761                         buffer = wstrappend(buffer, "A+");
 762                 } else if (strcasecmp(text, "Shift") == 0) {
 763                         buffer = wstrappend(buffer, "Sh+");
 764                 } else if (strcasecmp(text, "Mod1") == 0) {
 765                         buffer = wstrappend(buffer, "M1+");
 766                 } else if (strcasecmp(text, "Mod2") == 0) {
 767                         buffer = wstrappend(buffer, "M2+");
 768                 } else if (strcasecmp(text, "Mod3") == 0) {
 769                         buffer = wstrappend(buffer, "M3+");
 770                 } else if (strcasecmp(text, "Mod4") == 0) {
 771                         buffer = wstrappend(buffer, "M4+");
 772                 } else if (strcasecmp(text, "Mod5") == 0) {
 773                         buffer = wstrappend(buffer, "M5+");
 774                 } else if (strcasecmp(text, "Control") == 0) {
 775                         control = 1;
 776                 } else {
 777                         buffer = wstrappend(buffer, text);
 778                 }
 779                 text = k + 1;
 780         }
 781
 782         if (control) {
 783                 buffer = wstrappend(buffer, "^");
 784         }
 785         buffer = wstrappend(buffer, text);
 786
 787         /* get key */
 788         /*    ksym = XStringToKeysym(text);
 789            tmp = keysymToString(ksym, modmask);
 790            puts(tmp);
 791            buffer = wstrappend(buffer, tmp);
 792          */
 793         wfree(tmp);
 794
 795         return buffer;
 796 }
 797
 798 char *GetShortcutKey(WShortKey key)
 799 {
 800         char *tmp = NULL;
 801         char *k = XKeysymToString(XkbKeycodeToKeysym(dpy, key.keycode, 0, 0));
 802         if (!k) return NULL;
 803
 804         char **m = wPreferences.modifier_labels;
 805         if (key.modifier & ControlMask) tmp = wstrappend(tmp, m[1] ? m[1] : "Ctrl+");
 806         if (key.modifier & ShiftMask)   tmp = wstrappend(tmp, m[0] ? m[0] : "Shift+");
 807         if (key.modifier & Mod1Mask)    tmp = wstrappend(tmp, m[2] ? m[2] : "Mod1+");
 808         if (key.modifier & Mod2Mask)    tmp = wstrappend(tmp, m[3] ? m[3] : "Mod2+");
 809         if (key.modifier & Mod3Mask)    tmp = wstrappend(tmp, m[4] ? m[4] : "Mod3+");
 810         if (key.modifier & Mod4Mask)    tmp = wstrappend(tmp, m[5] ? m[5] : "Mod4+");
 811         if (key.modifier & Mod5Mask)    tmp = wstrappend(tmp, m[6] ? m[6] : "Mod5+");
 812         tmp = wstrappend(tmp, k);
 813
 814         return GetShortcutString(tmp);
 815 }
 816
 817 char *EscapeWM_CLASS(const char *name, const char *class)
 818 {
 819         char *ret;
 820         char *ename = NULL, *eclass = NULL;
 821         int i, j, l;
 822
 823         if (!name && !class)
 824                 return NULL;
 825
 826         if (name) {
 827                 l = strlen(name);
 828                 ename = wmalloc(l * 2 + 1);
 829                 j = 0;
 830                 for (i = 0; i < l; i++) {
 831                         if (name[i] == '\\') {
 832                                 ename[j++] = '\\';
 833                         } else if (name[i] == '.') {
 834                                 ename[j++] = '\\';
 835                         }
 836                         ename[j++] = name[i];
 837                 }
 838                 ename[j] = 0;
 839         }
 840         if (class) {
 841                 l = strlen(class);
 842                 eclass = wmalloc(l * 2 + 1);
 843                 j = 0;
 844                 for (i = 0; i < l; i++) {
 845                         if (class[i] == '\\') {
 846                                 eclass[j++] = '\\';
 847                         } else if (class[i] == '.') {
 848                                 eclass[j++] = '\\';
 849                         }
 850                         eclass[j++] = class[i];
 851                 }
 852                 eclass[j] = 0;
 853         }
 854
 855         if (ename && eclass) {
 856                 int len = strlen(ename) + strlen(eclass) + 4;
 857                 ret = wmalloc(len);
 858                 snprintf(ret, len, "%s.%s", ename, eclass);
 859                 wfree(ename);
 860                 wfree(eclass);
 861         } else if (ename) {
 862                 ret = wstrdup(ename);
 863                 wfree(ename);
 864         } else {
 865                 ret = wstrdup(eclass);
 866                 wfree(eclass);
 867         }
 868
 869         return ret;
 870 }
 871
 872 static void UnescapeWM_CLASS(const char *str, char **name, char **class)
 873 {
 874         int i, j, k, dot;
 875
 876         j = strlen(str);
 877         *name = wmalloc(j);
 878         **name = 0;
 879         *class = wmalloc(j);
 880         **class = 0;
 881
 882         /* separate string in 2 parts */
 883         dot = -1;
 884         for (i = 0; i < j; i++) {
 885                 if (str[i] == '\\') {
 886                         i++;
 887                         continue;
 888                 } else if (str[i] == '.') {
 889                         dot = i;
 890                         break;
 891                 }
 892         }
 893
 894         /* unescape strings */
 895         for (i = 0, k = 0; i < dot; i++) {
 896                 if (str[i] == '\\') {
 897                         continue;
 898                 } else {
 899                         (*name)[k++] = str[i];
 900                 }
 901         }
 902         (*name)[k] = 0;
 903
 904         for (i = dot + 1, k = 0; i < j; i++) {
 905                 if (str[i] == '\\') {
 906                         continue;
 907                 } else {
 908                         (*class)[k++] = str[i];
 909                 }
 910         }
 911         (*class)[k] = 0;
 912
 913         if (!*name) {
 914                 wfree(*name);
 915                 *name = NULL;
 916         }
 917         if (!*class) {
 918                 wfree(*class);
 919                 *class = NULL;
 920         }
 921 }
 922
 923 void SendHelperMessage(WScreen *scr, char type, int workspace, const char *msg)
 924 {
 925         char *buffer;
 926         int len;
 927         int i;
 928         char buf[16];
 929
 930         if (!scr->flags.backimage_helper_launched) {
 931                 return;
 932         }
 933
 934         len = (msg ? strlen(msg) : 0) + (workspace >= 0 ? 4 : 0) + 1;
 935         buffer = wmalloc(len + 5);
 936         snprintf(buf, sizeof(buf), "%4i", len);
 937         memcpy(buffer, buf, 4);
 938         buffer[4] = type;
 939         i = 5;
 940         if (workspace >= 0) {
 941                 snprintf(buf, sizeof(buf), "%4i", workspace);
 942                 memcpy(&buffer[i], buf, 4);
 943                 i += 4;
 944                 buffer[i] = 0;
 945         }
 946         if (msg)
 947                 strcpy(&buffer[i], msg);
 948
 949         if (write(scr->helper_fd, buffer, len + 4) < 0) {
 950                 werror(_("could not send message to background image helper"));
 951         }
 952         wfree(buffer);
 953 }
 954
 955 Bool UpdateDomainFile(WDDomain * domain)
 956 {
 957         struct stat stbuf;
 958         char path[PATH_MAX];
 959         WMPropList *shared_dict, *dict;
 960         Bool result, freeDict = False;
 961
 962         dict = domain->dictionary;
 963         if (WMIsPLDictionary(domain->dictionary)) {
 964                 /* retrieve global system dictionary */
 965                 snprintf(path, sizeof(path), "%s/WindowMaker/%s", SYSCONFDIR, domain->domain_name);
 966                 if (stat(path, &stbuf) >= 0) {
 967                         shared_dict = WMReadPropListFromFile(path);
 968                         if (shared_dict) {
 969                                 if (WMIsPLDictionary(shared_dict)) {
 970                                         freeDict = True;
 971                                         dict = WMDeepCopyPropList(domain->dictionary);
 972                                         WMSubtractPLDictionaries(dict, shared_dict, True);
 973                                 }
 974                                 WMReleasePropList(shared_dict);
 975                         }
 976                 }
 977         }
 978
 979         result = WMWritePropListToFile(dict, domain->path);
 980
 981         if (freeDict) {
 982                 WMReleasePropList(dict);
 983         }
 984
 985         return result;
 986 }
 987
 988 char *StrConcatDot(const char *a, const char *b)
 989 {
 990         int len;
 991         char *str;
 992
 993         if (!a)
 994                 a = "";
 995         if (!b)
 996                 b = "";
 997
 998         len = strlen(a) + strlen(b) + 4;
 999         str = wmalloc(len);
1000
1001         snprintf(str, len, "%s.%s", a, b);
1002
1003         return str;
1004 }
1005
1006 static char *getCommandForWindow(Window win, int elements)
1007 {
1008         char **argv, *command = NULL;
1009         int argc;
1010
1011         if (XGetCommand(dpy, win, &argv, &argc)) {
1012                 if (argc > 0 && argv != NULL) {
1013                         if (elements == 0)
1014                                 elements = argc;
1015                         command = wtokenjoin(argv, WMIN(argc, elements));
1016                         if (command[0] == 0) {
1017                                 wfree(command);
1018                                 command = NULL;
1019                         }
1020                 }
1021                 if (argv) {
1022                         XFreeStringList(argv);
1023                 }
1024         }
1025
1026         return command;
1027 }
1028
1029 /* Free result when done */
1030 char *GetCommandForWindow(Window win)
1031 {
1032         return getCommandForWindow(win, 0);
1033 }