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
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 #include <X11/Xatom.h>
  26 #include <sys/stat.h>
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <stdarg.h>
  32 #include <pwd.h>
  33 #include <math.h>
  34 #include <time.h>
  35 #include <libintl.h>
  36
  37 #include <WINGs/WUtil.h>
  38 #include <wraster.h>
  39
  40 #include "WindowMaker.h"
  41 #include "GNUstep.h"
  42 #include "screen.h"
  43 #include "wcore.h"
  44 #include "window.h"
  45 #include "framewin.h"
  46 #include "funcs.h"
  47 #include "defaults.h"
  48 #include "dialog.h"
  49 #include "xutil.h"
  50 #include "xmodifier.h"
  51
  52 /**** global variables *****/
  53
  54 extern WPreferences wPreferences;
  55
  56 extern Time LastTimestamp;
  57
  58 #ifdef USECPP
  59 static void putdef(char *line, char *name, char *value)
  60 {
  61         if (!value) {
  62                 wwarning(_("could not define value for %s for cpp"), name);
  63                 return;
  64         }
  65         strcat(line, name);
  66         strcat(line, value);
  67 }
  68
  69 static void putidef(char *line, char *name, int value)
  70 {
  71         char tmp[64];
  72         snprintf(tmp, sizeof(tmp), "%i", value);
  73         strcat(line, name);
  74         strcat(line, tmp);
  75 }
  76
  77 static char *username()
  78 {
  79         char *tmp;
  80
  81         tmp = getlogin();
  82         if (!tmp) {
  83                 struct passwd *user;
  84
  85                 user = getpwuid(getuid());
  86                 if (!user) {
  87                         wsyserror(_("could not get password entry for UID %i"), getuid());
  88                         return NULL;
  89                 }
  90                 if (!user->pw_name) {
  91                         return NULL;
  92                 } else {
  93                         return user->pw_name;
  94                 }
  95         }
  96         return tmp;
  97 }
  98
  99 char *MakeCPPArgs(char *path)
 100 {
 101         int i;
 102         char buffer[MAXLINE], *buf, *line;
 103         Visual *visual;
 104         char *tmp;
 105
 106         line = wmalloc(MAXLINE);
 107         *line = 0;
 108         i = 1;
 109         if ((buf = getenv("HOSTNAME")) != NULL) {
 110                 if (buf[0] == '(') {
 111                         wwarning(_("your machine is misconfigured. HOSTNAME is set to %s"), buf);
 112                 } else
 113                         putdef(line, " -DHOST=", buf);
 114         } else if ((buf = getenv("HOST")) != NULL) {
 115                 if (buf[0] == '(') {
 116                         wwarning(_("your machine is misconfigured. HOST is set to %s"), buf);
 117                 } else
 118                         putdef(line, " -DHOST=", buf);
 119         }
 120         buf = username();
 121         if (buf)
 122                 putdef(line, " -DUSER=", buf);
 123         putidef(line, " -DUID=", getuid());
 124         buf = XDisplayName(DisplayString(dpy));
 125         putdef(line, " -DDISPLAY=", buf);
 126         putdef(line, " -DWM_VERSION=", VERSION);
 127
 128         visual = DefaultVisual(dpy, DefaultScreen(dpy));
 129         putidef(line, " -DVISUAL=", visual->class);
 130
 131         putidef(line, " -DDEPTH=", DefaultDepth(dpy, DefaultScreen(dpy)));
 132
 133         putidef(line, " -DSCR_WIDTH=", WidthOfScreen(DefaultScreenOfDisplay(dpy)));
 134         putidef(line, " -DSCR_HEIGHT=", HeightOfScreen(DefaultScreenOfDisplay(dpy)));
 135
 136         /* put the dir where the menu is being read from to the
 137          * search path */
 138         if (path) {
 139                 tmp = wstrdup(path);
 140                 buf = strchr(tmp + 1, ' ');
 141                 if (buf) {
 142                         *buf = 0;
 143                 }
 144                 buf = strrchr(tmp, '/');
 145                 if (buf) {
 146                         *buf = 0;       /* trunc filename */
 147                         putdef(line, " -I", tmp);
 148                 }
 149                 wfree(tmp);
 150         }
 151
 152         /* this should be done just once, but it works this way */
 153         strcpy(buffer, DEF_CONFIG_PATHS);
 154         buf = strtok(buffer, ":");
 155
 156         do {
 157                 char fullpath[MAXLINE];
 158
 159                 if (buf[0] != '~') {
 160                         strcpy(fullpath, buf);
 161                 } else {
 162                         char *wgethomedir();
 163                         /* home is statically allocated. Don't free it! */
 164                         char *home = wgethomedir();
 165
 166                         strcpy(fullpath, home);
 167                         strcat(fullpath, &(buf[1]));
 168                 }
 169
 170                 putdef(line, " -I", fullpath);
 171
 172         } while ((buf = strtok(NULL, ":")) != NULL);
 173
 174 #undef arg
 175 #ifdef DEBUG
 176         puts("CPP ARGS");
 177         puts(line);
 178 #endif
 179         return line;
 180 }
 181 #endif                          /* USECPP */
 182
 183 #if 0
 184 /*
 185  * Is win2 below win1?
 186  */
 187 static Bool isBelow(WWindow * win1, WWindow * win2)
 188 {
 189         int i;
 190         WCoreWindow *tmp;
 191
 192         tmp = win1->frame->core->stacking->under;
 193         while (tmp) {
 194                 if (tmp == win2->frame->core)
 195                         return True;
 196                 tmp = tmp->stacking->under;
 197         }
 198
 199         for (i = win1->frame->core->stacking->window_level - 1; i >= 0; i--) {
 200                 tmp = win1->screen_ptr->stacking_list[i];
 201                 while (tmp) {
 202                         if (tmp == win2->frame->core)
 203                                 return True;
 204                         tmp = tmp->stacking->under;
 205                 }
 206         }
 207         return True;
 208 }
 209 #endif
 210
 211 /*
 212  *  XFetchName Wrapper
 213  *
 214  */
 215 Bool wFetchName(dpy, win, winname)
 216 Display *dpy;
 217 Window win;
 218 char **winname;
 219 {
 220         XTextProperty text_prop;
 221         char **list;
 222         int num;
 223
 224         if (XGetWMName(dpy, win, &text_prop)) {
 225                 if (text_prop.value && text_prop.nitems > 0) {
 226                         if (text_prop.encoding == XA_STRING) {
 227                                 *winname = wstrdup((char *)text_prop.value);
 228                                 XFree(text_prop.value);
 229                         } else {
 230                                 text_prop.nitems = strlen((char *)text_prop.value);
 231                                 if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >=
 232                                     Success && num > 0 && *list) {
 233                                         XFree(text_prop.value);
 234                                         *winname = wstrdup(*list);
 235                                         XFreeStringList(list);
 236                                 } else {
 237                                         *winname = wstrdup((char *)text_prop.value);
 238                                         XFree(text_prop.value);
 239                                 }
 240                         }
 241                 } else {
 242                         /* the title is set, but it was set to none */
 243                         *winname = wstrdup("");
 244                 }
 245                 return True;
 246         } else {
 247                 /* the hint is probably not set */
 248                 *winname = NULL;
 249
 250                 return False;
 251         }
 252 }
 253
 254 /*
 255  *  XGetIconName Wrapper
 256  *
 257  */
 258
 259 Bool wGetIconName(dpy, win, iconname)
 260 Display *dpy;
 261 Window win;
 262 char **iconname;
 263 {
 264         XTextProperty text_prop;
 265         char **list;
 266         int num;
 267
 268         if (XGetWMIconName(dpy, win, &text_prop) != 0 && text_prop.value && text_prop.nitems > 0) {
 269                 if (text_prop.encoding == XA_STRING)
 270                         *iconname = (char *)text_prop.value;
 271                 else {
 272                         text_prop.nitems = strlen((char *)text_prop.value);
 273                         if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >= Success && num > 0 && *list) {
 274                                 XFree(text_prop.value);
 275                                 *iconname = wstrdup(*list);
 276                                 XFreeStringList(list);
 277                         } else
 278                                 *iconname = (char *)text_prop.value;
 279                 }
 280                 return True;
 281         }
 282         *iconname = NULL;
 283         return False;
 284 }
 285
 286 static void eatExpose()
 287 {
 288         XEvent event, foo;
 289
 290         /* compress all expose events into a single one */
 291
 292         if (XCheckMaskEvent(dpy, ExposureMask, &event)) {
 293                 /* ignore other exposure events for this window */
 294                 while (XCheckWindowEvent(dpy, event.xexpose.window, ExposureMask, &foo)) ;
 295                 /* eat exposes for other windows */
 296                 eatExpose();
 297
 298                 event.xexpose.count = 0;
 299                 XPutBackEvent(dpy, &event);
 300         }
 301 }
 302
 303 void SlideWindow(Window win, int from_x, int from_y, int to_x, int to_y)
 304 {
 305         time_t time0 = time(NULL);
 306         float dx, dy, x = from_x, y = from_y, sx, sy, px, py;
 307         int dx_is_bigger = 0;
 308
 309         /* animation parameters */
 310         static struct {
 311                 int delay;
 312                 int steps;
 313                 int slowdown;
 314         } apars[5] = {
 315                 {
 316                 ICON_SLIDE_DELAY_UF, ICON_SLIDE_STEPS_UF, ICON_SLIDE_SLOWDOWN_UF}, {
 317                 ICON_SLIDE_DELAY_F, ICON_SLIDE_STEPS_F, ICON_SLIDE_SLOWDOWN_F}, {
 318                 ICON_SLIDE_DELAY_M, ICON_SLIDE_STEPS_M, ICON_SLIDE_SLOWDOWN_M}, {
 319                 ICON_SLIDE_DELAY_S, ICON_SLIDE_STEPS_S, ICON_SLIDE_SLOWDOWN_S}, {
 320         ICON_SLIDE_DELAY_US, ICON_SLIDE_STEPS_US, ICON_SLIDE_SLOWDOWN_US}};
 321
 322         dx = (float)(to_x - from_x);
 323         dy = (float)(to_y - from_y);
 324         sx = (dx == 0 ? 0 : fabs(dx) / dx);
 325         sy = (dy == 0 ? 0 : fabs(dy) / dy);
 326
 327         if (fabs(dx) > fabs(dy)) {
 328                 dx_is_bigger = 1;
 329         }
 330
 331         if (dx_is_bigger) {
 332                 px = dx / apars[(int)wPreferences.icon_slide_speed].slowdown;
 333                 if (px < apars[(int)wPreferences.icon_slide_speed].steps && px > 0)
 334                         px = apars[(int)wPreferences.icon_slide_speed].steps;
 335                 else if (px > -apars[(int)wPreferences.icon_slide_speed].steps && px < 0)
 336                         px = -apars[(int)wPreferences.icon_slide_speed].steps;
 337                 py = (sx == 0 ? 0 : px * dy / dx);
 338         } else {
 339                 py = dy / apars[(int)wPreferences.icon_slide_speed].slowdown;
 340                 if (py < apars[(int)wPreferences.icon_slide_speed].steps && py > 0)
 341                         py = apars[(int)wPreferences.icon_slide_speed].steps;
 342                 else if (py > -apars[(int)wPreferences.icon_slide_speed].steps && py < 0)
 343                         py = -apars[(int)wPreferences.icon_slide_speed].steps;
 344                 px = (sy == 0 ? 0 : py * dx / dy);
 345         }
 346
 347         while (x != to_x || y != to_y) {
 348                 x += px;
 349                 y += py;
 350                 if ((px < 0 && (int)x < to_x) || (px > 0 && (int)x > to_x))
 351                         x = (float)to_x;
 352                 if ((py < 0 && (int)y < to_y) || (py > 0 && (int)y > to_y))
 353                         y = (float)to_y;
 354
 355                 if (dx_is_bigger) {
 356                         px = px * (1.0 - 1 / (float)apars[(int)wPreferences.icon_slide_speed].slowdown);
 357                         if (px < apars[(int)wPreferences.icon_slide_speed].steps && px > 0)
 358                                 px = apars[(int)wPreferences.icon_slide_speed].steps;
 359                         else if (px > -apars[(int)wPreferences.icon_slide_speed].steps && px < 0)
 360                                 px = -apars[(int)wPreferences.icon_slide_speed].steps;
 361                         py = (sx == 0 ? 0 : px * dy / dx);
 362                 } else {
 363                         py = py * (1.0 - 1 / (float)apars[(int)wPreferences.icon_slide_speed].slowdown);
 364                         if (py < apars[(int)wPreferences.icon_slide_speed].steps && py > 0)
 365                                 py = apars[(int)wPreferences.icon_slide_speed].steps;
 366                         else if (py > -apars[(int)wPreferences.icon_slide_speed].steps && py < 0)
 367                                 py = -apars[(int)wPreferences.icon_slide_speed].steps;
 368                         px = (sy == 0 ? 0 : py * dx / dy);
 369                 }
 370
 371                 XMoveWindow(dpy, win, (int)x, (int)y);
 372                 XFlush(dpy);
 373                 if (apars[(int)wPreferences.icon_slide_speed].delay > 0) {
 374                         wusleep(apars[(int)wPreferences.icon_slide_speed].delay * 1000L);
 375                 } else {
 376                         wusleep(10);
 377                 }
 378                 if (time(NULL) - time0 > MAX_ANIMATION_TIME)
 379                         break;
 380         }
 381         XMoveWindow(dpy, win, to_x, to_y);
 382
 383         XSync(dpy, 0);
 384         /* compress expose events */
 385         eatExpose();
 386 }
 387
 388 char *ShrinkString(WMFont * font, char *string, int width)
 389 {
 390         int w, w1 = 0;
 391         int p;
 392         char *pos;
 393         char *text;
 394         int p1, p2, t;
 395
 396         p = strlen(string);
 397         w = WMWidthOfString(font, string, p);
 398         text = wmalloc(strlen(string) + 8);
 399         strcpy(text, string);
 400         if (w <= width)
 401                 return text;
 402
 403         pos = strchr(text, ' ');
 404         if (!pos)
 405                 pos = strchr(text, ':');
 406
 407         if (pos) {
 408                 *pos = 0;
 409                 p = strlen(text);
 410                 w1 = WMWidthOfString(font, text, p);
 411                 if (w1 > width) {
 412                         w1 = 0;
 413                         p = 0;
 414                         *pos = ' ';
 415                         *text = 0;
 416                 } else {
 417                         *pos = 0;
 418                         width -= w1;
 419                         p++;
 420                 }
 421                 string += p;
 422                 p = strlen(string);
 423         } else {
 424                 *text = 0;
 425         }
 426         strcat(text, "...");
 427         width -= WMWidthOfString(font, "...", 3);
 428         pos = string;
 429         p1 = 0;
 430         p2 = p;
 431         t = (p2 - p1) / 2;
 432         while (p2 > p1 && p1 != t) {
 433                 w = WMWidthOfString(font, &string[p - t], t);
 434                 if (w > width) {
 435                         p2 = t;
 436                         t = p1 + (p2 - p1) / 2;
 437                 } else if (w < width) {
 438                         p1 = t;
 439                         t = p1 + (p2 - p1) / 2;
 440                 } else
 441                         p2 = p1 = t;
 442         }
 443         strcat(text, &string[p - p1]);
 444
 445         return text;
 446 }
 447
 448 char *FindImage(char *paths, char *file)
 449 {
 450         char *tmp, *path;
 451
 452         tmp = strrchr(file, ':');
 453         if (tmp) {
 454                 *tmp = 0;
 455                 path = wfindfile(paths, file);
 456                 *tmp = ':';
 457         }
 458         if (!tmp || !path) {
 459                 path = wfindfile(paths, file);
 460         }
 461
 462         return path;
 463 }
 464
 465 static void timeoutHandler(void *data)
 466 {
 467         *(int *)data = 1;
 468 }
 469
 470 static char *getTextSelection(WScreen * screen, Atom selection)
 471 {
 472         int buffer = -1;
 473
 474         switch (selection) {
 475         case XA_CUT_BUFFER0:
 476                 buffer = 0;
 477                 break;
 478         case XA_CUT_BUFFER1:
 479                 buffer = 1;
 480                 break;
 481         case XA_CUT_BUFFER2:
 482                 buffer = 2;
 483                 break;
 484         case XA_CUT_BUFFER3:
 485                 buffer = 3;
 486                 break;
 487         case XA_CUT_BUFFER4:
 488                 buffer = 4;
 489                 break;
 490         case XA_CUT_BUFFER5:
 491                 buffer = 5;
 492                 break;
 493         case XA_CUT_BUFFER6:
 494                 buffer = 6;
 495                 break;
 496         case XA_CUT_BUFFER7:
 497                 buffer = 7;
 498                 break;
 499         }
 500         if (buffer >= 0) {
 501                 char *data;
 502                 int size;
 503
 504                 data = XFetchBuffer(dpy, &size, buffer);
 505
 506                 return data;
 507         } else {
 508                 char *data;
 509                 int bits;
 510                 Atom rtype;
 511                 unsigned long len, bytes;
 512                 WMHandlerID timer;
 513                 int timeout = 0;
 514                 XEvent ev;
 515                 static Atom clipboard = 0;
 516
 517                 if (!clipboard)
 518                         clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 519
 520                 XDeleteProperty(dpy, screen->info_window, clipboard);
 521
 522                 XConvertSelection(dpy, selection, XA_STRING, clipboard, screen->info_window, CurrentTime);
 523
 524                 timer = WMAddTimerHandler(1000, timeoutHandler, &timeout);
 525
 526                 while (!XCheckTypedWindowEvent(dpy, screen->info_window, SelectionNotify, &ev) && !timeout) ;
 527
 528                 if (!timeout) {
 529                         WMDeleteTimerHandler(timer);
 530                 } else {
 531                         wwarning("selection retrieval timed out");
 532                         return NULL;
 533                 }
 534
 535                 /* nobody owns the selection or the current owner has
 536                  * nothing to do with what we need */
 537                 if (ev.xselection.property == None) {
 538                         return NULL;
 539                 }
 540
 541                 if (XGetWindowProperty(dpy, screen->info_window,
 542                                        clipboard, 0, 1024,
 543                                        False, XA_STRING, &rtype, &bits, &len,
 544                                        &bytes, (unsigned char **)&data) != Success) {
 545                         return NULL;
 546                 }
 547                 if (rtype != XA_STRING || bits != 8) {
 548                         wwarning("invalid data in text selection");
 549                         if (data)
 550                                 XFree(data);
 551                         return NULL;
 552                 }
 553                 return data;
 554         }
 555 }
 556
 557 static char *getselection(WScreen * scr)
 558 {
 559         char *tmp;
 560
 561         tmp = getTextSelection(scr, XA_PRIMARY);
 562         if (!tmp)
 563                 tmp = getTextSelection(scr, XA_CUT_BUFFER0);
 564         return tmp;
 565 }
 566
 567 static char*
 568 parseuserinputpart(char *line, int *ptr, char *endchars)
 569 {
 570         int depth = 0, begin;
 571         char *value = NULL;
 572         begin = ++*ptr;
 573
 574         while(line[*ptr] != '\0') {
 575                 if(line[*ptr] == '(') {
 576                         ++depth;
 577                 } else if(depth > 0 && line[*ptr] == ')') {
 578                         --depth;
 579                 } else if(depth == 0 && strchr(endchars, line[*ptr]) != NULL) {
 580                         value = wmalloc(*ptr - begin + 1);
 581                         strncpy(value, line + begin, *ptr - begin);
 582                         value[*ptr - begin] = '\0';
 583                         break;
 584                 }
 585                 ++*ptr;
 586         }
 587
 588         return value;
 589 }
 590
 591 static char*
 592 getuserinput(WScreen *scr, char *line, int *ptr, Bool advanced)
 593 {
 594     char *ret = NULL, *title = NULL, *prompt = NULL, *name = NULL;
 595     int rv;
 596
 597     if(line[*ptr] == '(')
 598         title = parseuserinputpart(line, ptr, ",)");
 599     if(title != NULL && line[*ptr] == ',')
 600         prompt = parseuserinputpart(line, ptr, ",)");
 601     if(prompt != NULL && line[*ptr] == ',')
 602         name = parseuserinputpart(line, ptr, ")");
 603
 604     if(advanced)
 605         rv = wAdvancedInputDialog(scr,
 606                 title ? gettext(title):_("Program Arguments"),
 607                 prompt ? gettext(prompt):_("Enter command arguments:"),
 608                 name, &ret);
 609     else
 610         rv = wInputDialog(scr,
 611                 title ? gettext(title):_("Program Arguments"),
 612                 prompt ? gettext(prompt):_("Enter command arguments:"),
 613                 &ret);
 614
 615     if(title) wfree(title);
 616     if(prompt) wfree(prompt);
 617     if(name) wfree(name);
 618
 619     return rv ? ret : NULL;
 620 }
 621
 622 #define S_NORMAL 0
 623 #define S_ESCAPE 1
 624 #define S_OPTION 2
 625
 626 /*
 627  * state        input   new-state       output
 628  * NORMAL       %       OPTION          <nil>
 629  * NORMAL       \       ESCAPE          <nil>
 630  * NORMAL       etc.    NORMAL          <input>
 631  * ESCAPE       any     NORMAL          <input>
 632  * OPTION       s       NORMAL          <selection buffer>
 633  * OPTION       w       NORMAL          <selected window id>
 634  * OPTION       a       NORMAL          <input text>
 635  * OPTION       d       NORMAL          <OffiX DND selection object>
 636  * OPTION       W       NORMAL          <current workspace>
 637  * OPTION       etc.    NORMAL          %<input>
 638  */
 639 #define TMPBUFSIZE 64
 640 char *ExpandOptions(WScreen * scr, char *cmdline)
 641 {
 642         int ptr, optr, state, len, olen;
 643         char *out, *nout;
 644         char *selection = NULL;
 645         char *user_input = NULL;
 646 #ifdef XDND
 647         char *dropped_thing = NULL;
 648 #endif
 649         char tmpbuf[TMPBUFSIZE];
 650         int slen;
 651
 652         len = strlen(cmdline);
 653         olen = len + 1;
 654         out = malloc(olen);
 655         if (!out) {
 656                 wwarning(_("out of memory during expansion of \"%s\""));
 657                 return NULL;
 658         }
 659         *out = 0;
 660         ptr = 0;                /* input line pointer */
 661         optr = 0;               /* output line pointer */
 662         state = S_NORMAL;
 663         while (ptr < len) {
 664                 switch (state) {
 665                 case S_NORMAL:
 666                         switch (cmdline[ptr]) {
 667                         case '\\':
 668                                 state = S_ESCAPE;
 669                                 break;
 670                         case '%':
 671                                 state = S_OPTION;
 672                                 break;
 673                         default:
 674                                 state = S_NORMAL;
 675                                 out[optr++] = cmdline[ptr];
 676                                 break;
 677                         }
 678                         break;
 679                 case S_ESCAPE:
 680                         switch (cmdline[ptr]) {
 681                         case 'n':
 682                                 out[optr++] = 10;
 683                                 break;
 684
 685                         case 'r':
 686                                 out[optr++] = 13;
 687                                 break;
 688
 689                         case 't':
 690                                 out[optr++] = 9;
 691                                 break;
 692
 693                         default:
 694                                 out[optr++] = cmdline[ptr];
 695                         }
 696                         state = S_NORMAL;
 697                         break;
 698                 case S_OPTION:
 699                         state = S_NORMAL;
 700                         switch (cmdline[ptr]) {
 701                         case 'w':
 702                                 if (scr->focused_window && scr->focused_window->flags.focused) {
 703                                         snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 704                                                  (unsigned int)scr->focused_window->client_win);
 705                                         slen = strlen(tmpbuf);
 706                                         olen += slen;
 707                                         nout = realloc(out, olen);
 708                                         if (!nout) {
 709                                                 wwarning(_("out of memory during expansion of \"%w\""));
 710                                                 goto error;
 711                                         }
 712                                         out = nout;
 713                                         strcat(out, tmpbuf);
 714                                         optr += slen;
 715                                 } else {
 716                                         out[optr++] = ' ';
 717                                 }
 718                                 break;
 719
 720                         case 'W':
 721                                 snprintf(tmpbuf, sizeof(tmpbuf), "0x%x", (unsigned int)scr->current_workspace + 1);
 722                                 slen = strlen(tmpbuf);
 723                                 olen += slen;
 724                                 nout = realloc(out, olen);
 725                                 if (!nout) {
 726                                         wwarning(_("out of memory during expansion of \"%W\""));
 727                                         goto error;
 728                                 }
 729                                 out = nout;
 730                                 strcat(out, tmpbuf);
 731                                 optr += slen;
 732                                 break;
 733
 734                         case 'a':
 735                         case 'A':
 736                                 ptr++;
 737                                 user_input = getuserinput(scr, cmdline, &ptr, cmdline[ptr-1] == 'A');
 738                                 if (user_input) {
 739                                         slen = strlen(user_input);
 740                                         olen += slen;
 741                                         nout = realloc(out, olen);
 742                                         if (!nout) {
 743                                                 wwarning(_("out of memory during expansion of \"%a\""));
 744                                                 goto error;
 745                                         }
 746                                         out = nout;
 747                                         strcat(out, user_input);
 748                                         optr += slen;
 749                                 } else {
 750                                         /* Not an error, but user has Canceled the dialog box.
 751                                          * This will make the command to not be performed. */
 752                                         goto error;
 753                                 }
 754                                 break;
 755
 756 #ifdef XDND
 757                         case 'd':
 758                                 if (scr->xdestring) {
 759                                         dropped_thing = wstrdup(scr->xdestring);
 760                                 }
 761                                 if (!dropped_thing) {
 762                                         dropped_thing = get_dnd_selection(scr);
 763                                 }
 764                                 if (!dropped_thing) {
 765                                         scr->flags.dnd_data_convertion_status = 1;
 766                                         goto error;
 767                                 }
 768                                 slen = strlen(dropped_thing);
 769                                 olen += slen;
 770                                 nout = realloc(out, olen);
 771                                 if (!nout) {
 772                                         wwarning(_("out of memory during expansion of \"%d\""));
 773                                         goto error;
 774                                 }
 775                                 out = nout;
 776                                 strcat(out, dropped_thing);
 777                                 optr += slen;
 778                                 break;
 779 #endif                          /* XDND */
 780
 781                         case 's':
 782                                 if (!selection) {
 783                                         selection = getselection(scr);
 784                                 }
 785                                 if (!selection) {
 786                                         wwarning(_("selection not available"));
 787                                         goto error;
 788                                 }
 789                                 slen = strlen(selection);
 790                                 olen += slen;
 791                                 nout = realloc(out, olen);
 792                                 if (!nout) {
 793                                         wwarning(_("out of memory during expansion of \"%s\""));
 794                                         goto error;
 795                                 }
 796                                 out = nout;
 797                                 strcat(out, selection);
 798                                 optr += slen;
 799                                 break;
 800
 801                         default:
 802                                 out[optr++] = '%';
 803                                 out[optr++] = cmdline[ptr];
 804                         }
 805                         break;
 806                 }
 807                 out[optr] = 0;
 808                 ptr++;
 809         }
 810         if (selection)
 811                 XFree(selection);
 812         return out;
 813
 814  error:
 815         wfree(out);
 816         if (selection)
 817                 XFree(selection);
 818         return NULL;
 819 }
 820
 821 void ParseWindowName(WMPropList * value, char **winstance, char **wclass, char *where)
 822 {
 823         char *name;
 824
 825         *winstance = *wclass = NULL;
 826
 827         if (!WMIsPLString(value)) {
 828                 wwarning(_("bad window name value in %s state info"), where);
 829                 return;
 830         }
 831
 832         name = WMGetFromPLString(value);
 833         if (!name || strlen(name) == 0) {
 834                 wwarning(_("bad window name value in %s state info"), where);
 835                 return;
 836         }
 837
 838         UnescapeWM_CLASS(name, winstance, wclass);
 839 }
 840
 841 #if 0
 842 static char *keysymToString(KeySym keysym, unsigned int state)
 843 {
 844         XKeyEvent kev;
 845         char *buf = wmalloc(20);
 846         int count;
 847
 848         kev.display = dpy;
 849         kev.type = KeyPress;
 850         kev.send_event = False;
 851         kev.window = DefaultRootWindow(dpy);
 852         kev.root = DefaultRootWindow(dpy);
 853         kev.same_screen = True;
 854         kev.subwindow = kev.root;
 855         kev.serial = 0x12344321;
 856         kev.time = CurrentTime;
 857         kev.state = state;
 858         kev.keycode = XKeysymToKeycode(dpy, keysym);
 859         count = XLookupString(&kev, buf, 19, NULL, NULL);
 860         buf[count] = 0;
 861
 862         return buf;
 863 }
 864 #endif
 865
 866 char *GetShortcutString(char *text)
 867 {
 868         char *buffer = NULL;
 869         char *k;
 870         int modmask = 0;
 871         /*    KeySym ksym; */
 872         int control = 0;
 873         char *tmp;
 874
 875         tmp = text = wstrdup(text);
 876
 877         /* get modifiers */
 878         while ((k = strchr(text, '+')) != NULL) {
 879                 int mod;
 880
 881                 *k = 0;
 882                 mod = wXModifierFromKey(text);
 883                 if (mod < 0) {
 884                         return wstrdup("bug");
 885                 }
 886
 887                 modmask |= mod;
 888
 889                 if (strcasecmp(text, "Meta") == 0) {
 890                         buffer = wstrappend(buffer, "M+");
 891                 } else if (strcasecmp(text, "Alt") == 0) {
 892                         buffer = wstrappend(buffer, "A+");
 893                 } else if (strcasecmp(text, "Shift") == 0) {
 894                         buffer = wstrappend(buffer, "Sh+");
 895                 } else if (strcasecmp(text, "Mod1") == 0) {
 896                         buffer = wstrappend(buffer, "M1+");
 897                 } else if (strcasecmp(text, "Mod2") == 0) {
 898                         buffer = wstrappend(buffer, "M2+");
 899                 } else if (strcasecmp(text, "Mod3") == 0) {
 900                         buffer = wstrappend(buffer, "M3+");
 901                 } else if (strcasecmp(text, "Mod4") == 0) {
 902                         buffer = wstrappend(buffer, "M4+");
 903                 } else if (strcasecmp(text, "Mod5") == 0) {
 904                         buffer = wstrappend(buffer, "M5+");
 905                 } else if (strcasecmp(text, "Control") == 0) {
 906                         control = 1;
 907                 } else {
 908                         buffer = wstrappend(buffer, text);
 909                 }
 910                 text = k + 1;
 911         }
 912
 913         if (control) {
 914                 buffer = wstrappend(buffer, "^");
 915         }
 916         buffer = wstrappend(buffer, text);
 917
 918         /* get key */
 919         /*    ksym = XStringToKeysym(text);
 920            tmp = keysymToString(ksym, modmask);
 921            puts(tmp);
 922            buffer = wstrappend(buffer, tmp);
 923          */
 924         wfree(tmp);
 925
 926         return buffer;
 927 }
 928
 929 char *EscapeWM_CLASS(char *name, char *class)
 930 {
 931         char *ret;
 932         char *ename = NULL, *eclass = NULL;
 933         int i, j, l;
 934
 935         if (!name && !class)
 936                 return NULL;
 937
 938         if (name) {
 939                 l = strlen(name);
 940                 ename = wmalloc(l * 2 + 1);
 941                 j = 0;
 942                 for (i = 0; i < l; i++) {
 943                         if (name[i] == '\\') {
 944                                 ename[j++] = '\\';
 945                         } else if (name[i] == '.') {
 946                                 ename[j++] = '\\';
 947                         }
 948                         ename[j++] = name[i];
 949                 }
 950                 ename[j] = 0;
 951         }
 952         if (class) {
 953                 l = strlen(class);
 954                 eclass = wmalloc(l * 2 + 1);
 955                 j = 0;
 956                 for (i = 0; i < l; i++) {
 957                         if (class[i] == '\\') {
 958                                 eclass[j++] = '\\';
 959                         } else if (class[i] == '.') {
 960                                 eclass[j++] = '\\';
 961                         }
 962                         eclass[j++] = class[i];
 963                 }
 964                 eclass[j] = 0;
 965         }
 966
 967         if (ename && eclass) {
 968                 int len = strlen(ename) + strlen(eclass) + 4;
 969                 ret = wmalloc(len);
 970                 snprintf(ret, len, "%s.%s", ename, eclass);
 971                 wfree(ename);
 972                 wfree(eclass);
 973         } else if (ename) {
 974                 ret = wstrdup(ename);
 975                 wfree(ename);
 976         } else {
 977                 ret = wstrdup(eclass);
 978                 wfree(eclass);
 979         }
 980
 981         return ret;
 982 }
 983
 984 void UnescapeWM_CLASS(char *str, char **name, char **class)
 985 {
 986         int i, j, k, dot;
 987
 988         j = strlen(str);
 989         *name = wmalloc(j);
 990         **name = 0;
 991         *class = wmalloc(j);
 992         **class = 0;
 993
 994         /* separate string in 2 parts */
 995         dot = -1;
 996         for (i = 0; i < j; i++) {
 997                 if (str[i] == '\\') {
 998                         i++;
 999                         continue;
1000                 } else if (str[i] == '.') {
1001                         dot = i;
1002                         break;
1003                 }
1004         }
1005
1006         /* unescape strings */
1007         for (i = 0, k = 0; i < dot; i++) {
1008                 if (str[i] == '\\') {
1009                         continue;
1010                 } else {
1011                         (*name)[k++] = str[i];
1012                 }
1013         }
1014         (*name)[k] = 0;
1015
1016         for (i = dot + 1, k = 0; i < j; i++) {
1017                 if (str[i] == '\\') {
1018                         continue;
1019                 } else {
1020                         (*class)[k++] = str[i];
1021                 }
1022         }
1023         (*class)[k] = 0;
1024
1025         if (!*name) {
1026                 wfree(*name);
1027                 *name = NULL;
1028         }
1029         if (!*class) {
1030                 wfree(*class);
1031                 *class = NULL;
1032         }
1033 }
1034
1035 void SendHelperMessage(WScreen * scr, char type, int workspace, char *msg)
1036 {
1037         char *buffer;
1038         int len;
1039         int i;
1040         char buf[16];
1041
1042         if (!scr->flags.backimage_helper_launched) {
1043                 return;
1044         }
1045
1046         len = (msg ? strlen(msg) : 0) + (workspace >= 0 ? 4 : 0) + 1;
1047         buffer = wmalloc(len + 5);
1048         snprintf(buf, sizeof(buf), "%4i", len);
1049         memcpy(buffer, buf, 4);
1050         buffer[4] = type;
1051         i = 5;
1052         if (workspace >= 0) {
1053                 snprintf(buf, sizeof(buf), "%4i", workspace);
1054                 memcpy(&buffer[i], buf, 4);
1055                 i += 4;
1056                 buffer[i] = 0;
1057         }
1058         if (msg)
1059                 strcpy(&buffer[i], msg);
1060
1061         if (write(scr->helper_fd, buffer, len + 4) < 0) {
1062                 wsyserror(_("could not send message to background image helper"));
1063         }
1064         wfree(buffer);
1065 }
1066
1067 Bool UpdateDomainFile(WDDomain * domain)
1068 {
1069         struct stat stbuf;
1070         char path[PATH_MAX];
1071         WMPropList *shared_dict, *dict;
1072         Bool result, freeDict = False;
1073
1074         dict = domain->dictionary;
1075         if (WMIsPLDictionary(domain->dictionary)) {
1076                 /* retrieve global system dictionary */
1077                 snprintf(path, sizeof(path), "%s/WindowMaker/%s", SYSCONFDIR, domain->domain_name);
1078                 if (stat(path, &stbuf) >= 0) {
1079                         shared_dict = WMReadPropListFromFile(path);
1080                         if (shared_dict) {
1081                                 if (WMIsPLDictionary(shared_dict)) {
1082                                         freeDict = True;
1083                                         dict = WMDeepCopyPropList(domain->dictionary);
1084                                         WMSubtractPLDictionaries(dict, shared_dict, True);
1085                                 }
1086                                 WMReleasePropList(shared_dict);
1087                         }
1088                 }
1089         }
1090
1091         result = WMWritePropListToFile(dict, domain->path, True);
1092
1093         if (freeDict) {
1094                 WMReleasePropList(dict);
1095         }
1096
1097         return result;
1098 }
1099
1100 char *StrConcatDot(char *a, char *b)
1101 {
1102         int len;
1103         char *str;
1104
1105         if (!a)
1106                 a = "";
1107         if (!b)
1108                 b = "";
1109
1110         len = strlen(a) + strlen(b) + 4;
1111         str = wmalloc(len);
1112
1113         snprintf(str, len, "%s.%s", a, b);
1114
1115         return str;
1116 }
1117
1118 #define MAX_CMD_SIZE 4096
1119
1120 Bool GetCommandForPid(int pid, char ***argv, int *argc)
1121 {
1122         static char buf[MAX_CMD_SIZE];
1123         FILE *fPtr;
1124         int count, i, j;
1125         Bool ok = False;
1126
1127         sprintf(buf, "/proc/%d/cmdline", pid);
1128         fPtr = fopen(buf, "r");
1129         if (fPtr) {
1130                 count = read(fileno(fPtr), buf, MAX_CMD_SIZE);
1131                 if (count > 0) {
1132                         buf[count - 1] = 0;
1133                         for (i = 0, *argc = 0; i < count; i++) {
1134                                 if (buf[i] == 0) {
1135                                         (*argc)++;
1136                                 }
1137                         }
1138                         if ((*argc) == 0) {
1139                                 *argv = NULL;
1140                                 ok = False;
1141                         } else {
1142                                 *argv = (char **)wmalloc(sizeof(char *) * (*argc));
1143                                 (*argv)[0] = buf;
1144                                 for (i = 0, j = 1; i < count; i++) {
1145                                         if (buf[i] != 0)
1146                                                 continue;
1147                                         if (i < count - 1) {
1148                                                 (*argv)[j++] = &buf[i + 1];
1149                                         }
1150                                         if (j == *argc) {
1151                                                 break;
1152                                         }
1153                                 }
1154                                 ok = True;
1155                         }
1156                 }
1157                 fclose(fPtr);
1158         }
1159
1160         return ok;
1161 }
1162
1163 static char *getCommandForWindow(Window win, int elements)
1164 {
1165         char **argv, *command = NULL;
1166         int argc;
1167
1168         if (XGetCommand(dpy, win, &argv, &argc)) {
1169                 if (argc > 0 && argv != NULL) {
1170                         if (elements == 0)
1171                                 elements = argc;
1172                         command = wtokenjoin(argv, WMIN(argc, elements));
1173                         if (command[0] == 0) {
1174                                 wfree(command);
1175                                 command = NULL;
1176                         }
1177                 }
1178                 if (argv) {
1179                         XFreeStringList(argv);
1180                 }
1181         }
1182
1183         return command;
1184 }
1185
1186 /* Free result when done */
1187 char *GetCommandForWindow(Window win)
1188 {
1189         return getCommandForWindow(win, 0);
1190 }
1191
1192 /* Free result when done */
1193 char *GetProgramNameForWindow(Window win)
1194 {
1195         return getCommandForWindow(win, 1);
1196 }