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 "misc.h"
  42 #include "WindowMaker.h"
  43 #include "GNUstep.h"
  44 #include "screen.h"
  45 #include "wcore.h"
  46 #include "window.h"
  47 #include "framewin.h"
  48 #include "dialog.h"
  49 #include "xutil.h"
  50 #include "xmodifier.h"
  51
  52 /**** global variables *****/
  53 extern WPreferences wPreferences;
  54 #define ICON_SIZE wPreferences.icon_size
  55
  56 /**** Local prototypes *****/
  57 static void UnescapeWM_CLASS(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, sx, sy, px, py;
 163         int dx_is_bigger = 0;
 164         int slide_delay, slide_steps, slide_slowdown;
 165         int i;
 166
 167         /* animation parameters */
 168         static struct {
 169                 int delay;
 170                 int steps;
 171                 int slowdown;
 172         } apars[5] = {
 173                 {ICON_SLIDE_DELAY_UF, ICON_SLIDE_STEPS_UF, ICON_SLIDE_SLOWDOWN_UF},
 174                 {ICON_SLIDE_DELAY_F,  ICON_SLIDE_STEPS_F,  ICON_SLIDE_SLOWDOWN_F},
 175                 {ICON_SLIDE_DELAY_M,  ICON_SLIDE_STEPS_M,  ICON_SLIDE_SLOWDOWN_M},
 176                 {ICON_SLIDE_DELAY_S,  ICON_SLIDE_STEPS_S,  ICON_SLIDE_SLOWDOWN_S},
 177                 {ICON_SLIDE_DELAY_US, ICON_SLIDE_STEPS_US, ICON_SLIDE_SLOWDOWN_US}
 178         };
 179
 180         slide_slowdown = apars[(int)wPreferences.icon_slide_speed].slowdown;
 181         slide_steps = apars[(int)wPreferences.icon_slide_speed].steps;
 182         slide_delay = apars[(int)wPreferences.icon_slide_speed].delay;
 183
 184         dx = (float)(to_x - from_x);
 185         dy = (float)(to_y - from_y);
 186         sx = (dx == 0 ? 0 : fabs(dx) / dx);
 187         sy = (dy == 0 ? 0 : fabs(dy) / dy);
 188
 189         if (fabs(dx) > fabs(dy)) {
 190                 dx_is_bigger = 1;
 191         }
 192
 193         if (dx_is_bigger) {
 194                 px = dx / slide_slowdown;
 195                 if (px < slide_steps && px > 0)
 196                         px = slide_steps;
 197                 else if (px > -slide_steps && px < 0)
 198                         px = -slide_steps;
 199                 py = (sx == 0 ? 0 : px * dy / dx);
 200         } else {
 201                 py = dy / slide_slowdown;
 202                 if (py < slide_steps && py > 0)
 203                         py = slide_steps;
 204                 else if (py > -slide_steps && py < 0)
 205                         py = -slide_steps;
 206                 px = (sy == 0 ? 0 : py * dx / dy);
 207         }
 208
 209         while (x != to_x || y != to_y) {
 210                 x += px;
 211                 y += py;
 212                 if ((px < 0 && (int)x < to_x) || (px > 0 && (int)x > to_x))
 213                         x = (float)to_x;
 214                 if ((py < 0 && (int)y < to_y) || (py > 0 && (int)y > to_y))
 215                         y = (float)to_y;
 216
 217                 if (dx_is_bigger) {
 218                         px = px * (1.0 - 1 / (float)slide_slowdown);
 219                         if (px < slide_steps && px > 0)
 220                                 px = slide_steps;
 221                         else if (px > -slide_steps && px < 0)
 222                                 px = -slide_steps;
 223                         py = (sx == 0 ? 0 : px * dy / dx);
 224                 } else {
 225                         py = py * (1.0 - 1 / (float)slide_slowdown);
 226                         if (py < slide_steps && py > 0)
 227                                 py = slide_steps;
 228                         else if (py > -slide_steps && py < 0)
 229                                 py = -slide_steps;
 230                         px = (sy == 0 ? 0 : py * dx / dy);
 231                 }
 232
 233                 for (i = 0; i < n; i++) {
 234                         XMoveWindow(dpy, *wins[i], (int)x + i * ICON_SIZE, (int)y);
 235                 }
 236                 XFlush(dpy);
 237                 if (slide_delay > 0) {
 238                         wusleep(slide_delay * 1000L);
 239                 } else {
 240                         wusleep(10);
 241                 }
 242                 if (time(NULL) - time0 > MAX_ANIMATION_TIME)
 243                         break;
 244         }
 245         for (i = 0; i < n; i++) {
 246                 XMoveWindow(dpy, *wins[i], to_x + i * ICON_SIZE, to_y);
 247         }
 248
 249         XSync(dpy, 0);
 250         /* compress expose events */
 251         eatExpose();
 252 }
 253
 254 char *ShrinkString(WMFont * font, char *string, int width)
 255 {
 256         int w, w1 = 0;
 257         int p;
 258         char *pos;
 259         char *text;
 260         int p1, p2, t;
 261
 262         p = strlen(string);
 263         w = WMWidthOfString(font, string, p);
 264         text = wmalloc(strlen(string) + 8);
 265         strcpy(text, string);
 266         if (w <= width)
 267                 return text;
 268
 269         pos = strchr(text, ' ');
 270         if (!pos)
 271                 pos = strchr(text, ':');
 272
 273         if (pos) {
 274                 *pos = 0;
 275                 p = strlen(text);
 276                 w1 = WMWidthOfString(font, text, p);
 277                 if (w1 > width) {
 278                         w1 = 0;
 279                         p = 0;
 280                         *pos = ' ';
 281                         *text = 0;
 282                 } else {
 283                         *pos = 0;
 284                         width -= w1;
 285                         p++;
 286                 }
 287                 string += p;
 288                 p = strlen(string);
 289         } else {
 290                 *text = 0;
 291         }
 292         strcat(text, "...");
 293         width -= WMWidthOfString(font, "...", 3);
 294         pos = string;
 295         p1 = 0;
 296         p2 = p;
 297         t = (p2 - p1) / 2;
 298         while (p2 > p1 && p1 != t) {
 299                 w = WMWidthOfString(font, &string[p - t], t);
 300                 if (w > width) {
 301                         p2 = t;
 302                         t = p1 + (p2 - p1) / 2;
 303                 } else if (w < width) {
 304                         p1 = t;
 305                         t = p1 + (p2 - p1) / 2;
 306                 } else
 307                         p2 = p1 = t;
 308         }
 309         strcat(text, &string[p - p1]);
 310
 311         return text;
 312 }
 313
 314 char *FindImage(char *paths, char *file)
 315 {
 316         char *tmp, *path = NULL;
 317
 318         tmp = strrchr(file, ':');
 319         if (tmp) {
 320                 *tmp = 0;
 321                 path = wfindfile(paths, file);
 322                 *tmp = ':';
 323         }
 324         if (!tmp || !path)
 325                 path = wfindfile(paths, file);
 326
 327         return path;
 328 }
 329
 330 static void timeoutHandler(void *data)
 331 {
 332         *(int *)data = 1;
 333 }
 334
 335 static char *getTextSelection(WScreen * screen, Atom selection)
 336 {
 337         int buffer = -1;
 338
 339         switch (selection) {
 340         case XA_CUT_BUFFER0:
 341                 buffer = 0;
 342                 break;
 343         case XA_CUT_BUFFER1:
 344                 buffer = 1;
 345                 break;
 346         case XA_CUT_BUFFER2:
 347                 buffer = 2;
 348                 break;
 349         case XA_CUT_BUFFER3:
 350                 buffer = 3;
 351                 break;
 352         case XA_CUT_BUFFER4:
 353                 buffer = 4;
 354                 break;
 355         case XA_CUT_BUFFER5:
 356                 buffer = 5;
 357                 break;
 358         case XA_CUT_BUFFER6:
 359                 buffer = 6;
 360                 break;
 361         case XA_CUT_BUFFER7:
 362                 buffer = 7;
 363                 break;
 364         }
 365         if (buffer >= 0) {
 366                 char *data;
 367                 int size;
 368
 369                 data = XFetchBuffer(dpy, &size, buffer);
 370
 371                 return data;
 372         } else {
 373                 char *data;
 374                 int bits;
 375                 Atom rtype;
 376                 unsigned long len, bytes;
 377                 WMHandlerID timer;
 378                 int timeout = 0;
 379                 XEvent ev;
 380                 static Atom clipboard = 0;
 381
 382                 if (!clipboard)
 383                         clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 384
 385                 XDeleteProperty(dpy, screen->info_window, clipboard);
 386
 387                 XConvertSelection(dpy, selection, XA_STRING, clipboard, screen->info_window, CurrentTime);
 388
 389                 timer = WMAddTimerHandler(1000, timeoutHandler, &timeout);
 390
 391                 while (!XCheckTypedWindowEvent(dpy, screen->info_window, SelectionNotify, &ev) && !timeout) ;
 392
 393                 if (!timeout) {
 394                         WMDeleteTimerHandler(timer);
 395                 } else {
 396                         wwarning("selection retrieval timed out");
 397                         return NULL;
 398                 }
 399
 400                 /* nobody owns the selection or the current owner has
 401                  * nothing to do with what we need */
 402                 if (ev.xselection.property == None) {
 403                         return NULL;
 404                 }
 405
 406                 if (XGetWindowProperty(dpy, screen->info_window,
 407                                        clipboard, 0, 1024,
 408                                        False, XA_STRING, &rtype, &bits, &len,
 409                                        &bytes, (unsigned char **)&data) != Success) {
 410                         return NULL;
 411                 }
 412                 if (rtype != XA_STRING || bits != 8) {
 413                         wwarning("invalid data in text selection");
 414                         if (data)
 415                                 XFree(data);
 416                         return NULL;
 417                 }
 418                 return data;
 419         }
 420 }
 421
 422 static char *getselection(WScreen * scr)
 423 {
 424         char *tmp;
 425
 426         tmp = getTextSelection(scr, XA_PRIMARY);
 427         if (!tmp)
 428                 tmp = getTextSelection(scr, XA_CUT_BUFFER0);
 429         return tmp;
 430 }
 431
 432 static char*
 433 parseuserinputpart(char *line, int *ptr, char *endchars)
 434 {
 435         int depth = 0, begin;
 436         char *value = NULL;
 437         begin = ++*ptr;
 438
 439         while(line[*ptr] != '\0') {
 440                 if(line[*ptr] == '(') {
 441                         ++depth;
 442                 } else if(depth > 0 && line[*ptr] == ')') {
 443                         --depth;
 444                 } else if(depth == 0 && strchr(endchars, line[*ptr]) != NULL) {
 445                         value = wmalloc(*ptr - begin + 1);
 446                         strncpy(value, line + begin, *ptr - begin);
 447                         value[*ptr - begin] = '\0';
 448                         break;
 449                 }
 450                 ++*ptr;
 451         }
 452
 453         return value;
 454 }
 455
 456 static char*
 457 getuserinput(WScreen *scr, char *line, int *ptr, Bool advanced)
 458 {
 459     char *ret = NULL, *title = NULL, *prompt = NULL, *name = NULL;
 460     int rv;
 461
 462     if(line[*ptr] == '(')
 463         title = parseuserinputpart(line, ptr, ",)");
 464     if(title != NULL && line[*ptr] == ',')
 465         prompt = parseuserinputpart(line, ptr, ",)");
 466     if(prompt != NULL && line[*ptr] == ',')
 467         name = parseuserinputpart(line, ptr, ")");
 468
 469     if(advanced)
 470         rv = wAdvancedInputDialog(scr,
 471                 title ? _(title):_("Program Arguments"),
 472                 prompt ? _(prompt):_("Enter command arguments:"),
 473                 name, &ret);
 474     else
 475         rv = wInputDialog(scr,
 476                 title ? _(title):_("Program Arguments"),
 477                 prompt ? _(prompt):_("Enter command arguments:"),
 478                 &ret);
 479
 480     if(title) wfree(title);
 481     if(prompt) wfree(prompt);
 482     if(name) wfree(name);
 483
 484     return rv ? ret : NULL;
 485 }
 486
 487 #define S_NORMAL 0
 488 #define S_ESCAPE 1
 489 #define S_OPTION 2
 490
 491 /*
 492  * state        input   new-state       output
 493  * NORMAL       %       OPTION          <nil>
 494  * NORMAL       \       ESCAPE          <nil>
 495  * NORMAL       etc.    NORMAL          <input>
 496  * ESCAPE       any     NORMAL          <input>
 497  * OPTION       s       NORMAL          <selection buffer>
 498  * OPTION       w       NORMAL          <selected window id>
 499  * OPTION       a       NORMAL          <input text>
 500  * OPTION       d       NORMAL          <OffiX DND selection object>
 501  * OPTION       W       NORMAL          <current workspace>
 502  * OPTION       etc.    NORMAL          %<input>
 503  */
 504 #define TMPBUFSIZE 64
 505 char *ExpandOptions(WScreen * scr, char *cmdline)
 506 {
 507         int ptr, optr, state, len, olen;
 508         char *out, *nout;
 509         char *selection = NULL;
 510         char *user_input = NULL;
 511 #ifdef XDND
 512         char *dropped_thing = NULL;
 513 #endif
 514         char tmpbuf[TMPBUFSIZE];
 515         int slen;
 516
 517         len = strlen(cmdline);
 518         olen = len + 1;
 519         out = malloc(olen);
 520         if (!out) {
 521                 wwarning(_("out of memory during expansion of \"%s\""), cmdline);
 522                 return NULL;
 523         }
 524         *out = 0;
 525         ptr = 0;                /* input line pointer */
 526         optr = 0;               /* output line pointer */
 527         state = S_NORMAL;
 528         while (ptr < len) {
 529                 switch (state) {
 530                 case S_NORMAL:
 531                         switch (cmdline[ptr]) {
 532                         case '\\':
 533                                 state = S_ESCAPE;
 534                                 break;
 535                         case '%':
 536                                 state = S_OPTION;
 537                                 break;
 538                         default:
 539                                 state = S_NORMAL;
 540                                 out[optr++] = cmdline[ptr];
 541                                 break;
 542                         }
 543                         break;
 544                 case S_ESCAPE:
 545                         switch (cmdline[ptr]) {
 546                         case 'n':
 547                                 out[optr++] = 10;
 548                                 break;
 549
 550                         case 'r':
 551                                 out[optr++] = 13;
 552                                 break;
 553
 554                         case 't':
 555                                 out[optr++] = 9;
 556                                 break;
 557
 558                         default:
 559                                 out[optr++] = cmdline[ptr];
 560                         }
 561                         state = S_NORMAL;
 562                         break;
 563                 case S_OPTION:
 564                         state = S_NORMAL;
 565                         switch (cmdline[ptr]) {
 566                         case 'w':
 567                                 if (scr->focused_window && scr->focused_window->flags.focused) {
 568                                         snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 569                                                  (unsigned int)scr->focused_window->client_win);
 570                                         slen = strlen(tmpbuf);
 571                                         olen += slen;
 572                                         nout = realloc(out, olen);
 573                                         if (!nout) {
 574                                                 wwarning(_("out of memory during expansion of \"%%w\""));
 575                                                 goto error;
 576                                         }
 577                                         out = nout;
 578                                         strcat(out, tmpbuf);
 579                                         optr += slen;
 580                                 } else {
 581                                         out[optr++] = ' ';
 582                                 }
 583                                 break;
 584
 585                         case 'W':
 586                                 snprintf(tmpbuf, sizeof(tmpbuf), "0x%x", (unsigned int)scr->current_workspace + 1);
 587                                 slen = strlen(tmpbuf);
 588                                 olen += slen;
 589                                 nout = realloc(out, olen);
 590                                 if (!nout) {
 591                                         wwarning(_("out of memory during expansion of \"%%W\""));
 592                                         goto error;
 593                                 }
 594                                 out = nout;
 595                                 strcat(out, tmpbuf);
 596                                 optr += slen;
 597                                 break;
 598
 599                         case 'a':
 600                         case 'A':
 601                                 ptr++;
 602                                 user_input = getuserinput(scr, cmdline, &ptr, cmdline[ptr-1] == 'A');
 603                                 if (user_input) {
 604                                         slen = strlen(user_input);
 605                                         olen += slen;
 606                                         nout = realloc(out, olen);
 607                                         if (!nout) {
 608                                                 wwarning(_("out of memory during expansion of \"%%a\""));
 609                                                 goto error;
 610                                         }
 611                                         out = nout;
 612                                         strcat(out, user_input);
 613                                         optr += slen;
 614                                 } else {
 615                                         /* Not an error, but user has Canceled the dialog box.
 616                                          * This will make the command to not be performed. */
 617                                         goto error;
 618                                 }
 619                                 break;
 620
 621 #ifdef XDND
 622                         case 'd':
 623                                 if (scr->xdestring) {
 624                                         dropped_thing = wstrdup(scr->xdestring);
 625                                 }
 626                                 if (!dropped_thing) {
 627                                         dropped_thing = get_dnd_selection(scr);
 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, 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(char *text)
 732 {
 733         char *buffer = NULL;
 734         char *k;
 735         int modmask = 0;
 736         /*    KeySym ksym; */
 737         int control = 0;
 738         char *tmp;
 739
 740         tmp = text = wstrdup(text);
 741
 742         /* get modifiers */
 743         while ((k = strchr(text, '+')) != NULL) {
 744                 int mod;
 745
 746                 *k = 0;
 747                 mod = wXModifierFromKey(text);
 748                 if (mod < 0) {
 749                         return wstrdup("bug");
 750                 }
 751
 752                 modmask |= mod;
 753
 754                 if (strcasecmp(text, "Meta") == 0) {
 755                         buffer = wstrappend(buffer, "M+");
 756                 } else if (strcasecmp(text, "Alt") == 0) {
 757                         buffer = wstrappend(buffer, "A+");
 758                 } else if (strcasecmp(text, "Shift") == 0) {
 759                         buffer = wstrappend(buffer, "Sh+");
 760                 } else if (strcasecmp(text, "Mod1") == 0) {
 761                         buffer = wstrappend(buffer, "M1+");
 762                 } else if (strcasecmp(text, "Mod2") == 0) {
 763                         buffer = wstrappend(buffer, "M2+");
 764                 } else if (strcasecmp(text, "Mod3") == 0) {
 765                         buffer = wstrappend(buffer, "M3+");
 766                 } else if (strcasecmp(text, "Mod4") == 0) {
 767                         buffer = wstrappend(buffer, "M4+");
 768                 } else if (strcasecmp(text, "Mod5") == 0) {
 769                         buffer = wstrappend(buffer, "M5+");
 770                 } else if (strcasecmp(text, "Control") == 0) {
 771                         control = 1;
 772                 } else {
 773                         buffer = wstrappend(buffer, text);
 774                 }
 775                 text = k + 1;
 776         }
 777
 778         if (control) {
 779                 buffer = wstrappend(buffer, "^");
 780         }
 781         buffer = wstrappend(buffer, text);
 782
 783         /* get key */
 784         /*    ksym = XStringToKeysym(text);
 785            tmp = keysymToString(ksym, modmask);
 786            puts(tmp);
 787            buffer = wstrappend(buffer, tmp);
 788          */
 789         wfree(tmp);
 790
 791         return buffer;
 792 }
 793
 794 char *GetShortcutKey(WShortKey key)
 795 {
 796         char *tmp = NULL;
 797         char *k = XKeysymToString(XkbKeycodeToKeysym(dpy, key.keycode, 0, 0));
 798         if (!k) return NULL;
 799
 800         char **m = wPreferences.modifier_labels;
 801         if (key.modifier & ControlMask) tmp = wstrappend(tmp, m[1] ? m[1] : "Ctrl+");
 802         if (key.modifier & ShiftMask)   tmp = wstrappend(tmp, m[0] ? m[0] : "Shift+");
 803         if (key.modifier & Mod1Mask)    tmp = wstrappend(tmp, m[2] ? m[2] : "Mod1+");
 804         if (key.modifier & Mod2Mask)    tmp = wstrappend(tmp, m[3] ? m[3] : "Mod2+");
 805         if (key.modifier & Mod3Mask)    tmp = wstrappend(tmp, m[4] ? m[4] : "Mod3+");
 806         if (key.modifier & Mod4Mask)    tmp = wstrappend(tmp, m[5] ? m[5] : "Mod4+");
 807         if (key.modifier & Mod5Mask)    tmp = wstrappend(tmp, m[6] ? m[6] : "Mod5+");
 808         tmp = wstrappend(tmp, k);
 809
 810         return GetShortcutString(tmp);
 811 }
 812
 813 char *EscapeWM_CLASS(char *name, char *class)
 814 {
 815         char *ret;
 816         char *ename = NULL, *eclass = NULL;
 817         int i, j, l;
 818
 819         if (!name && !class)
 820                 return NULL;
 821
 822         if (name) {
 823                 l = strlen(name);
 824                 ename = wmalloc(l * 2 + 1);
 825                 j = 0;
 826                 for (i = 0; i < l; i++) {
 827                         if (name[i] == '\\') {
 828                                 ename[j++] = '\\';
 829                         } else if (name[i] == '.') {
 830                                 ename[j++] = '\\';
 831                         }
 832                         ename[j++] = name[i];
 833                 }
 834                 ename[j] = 0;
 835         }
 836         if (class) {
 837                 l = strlen(class);
 838                 eclass = wmalloc(l * 2 + 1);
 839                 j = 0;
 840                 for (i = 0; i < l; i++) {
 841                         if (class[i] == '\\') {
 842                                 eclass[j++] = '\\';
 843                         } else if (class[i] == '.') {
 844                                 eclass[j++] = '\\';
 845                         }
 846                         eclass[j++] = class[i];
 847                 }
 848                 eclass[j] = 0;
 849         }
 850
 851         if (ename && eclass) {
 852                 int len = strlen(ename) + strlen(eclass) + 4;
 853                 ret = wmalloc(len);
 854                 snprintf(ret, len, "%s.%s", ename, eclass);
 855                 wfree(ename);
 856                 wfree(eclass);
 857         } else if (ename) {
 858                 ret = wstrdup(ename);
 859                 wfree(ename);
 860         } else {
 861                 ret = wstrdup(eclass);
 862                 wfree(eclass);
 863         }
 864
 865         return ret;
 866 }
 867
 868 static void UnescapeWM_CLASS(char *str, char **name, char **class)
 869 {
 870         int i, j, k, dot;
 871
 872         j = strlen(str);
 873         *name = wmalloc(j);
 874         **name = 0;
 875         *class = wmalloc(j);
 876         **class = 0;
 877
 878         /* separate string in 2 parts */
 879         dot = -1;
 880         for (i = 0; i < j; i++) {
 881                 if (str[i] == '\\') {
 882                         i++;
 883                         continue;
 884                 } else if (str[i] == '.') {
 885                         dot = i;
 886                         break;
 887                 }
 888         }
 889
 890         /* unescape strings */
 891         for (i = 0, k = 0; i < dot; i++) {
 892                 if (str[i] == '\\') {
 893                         continue;
 894                 } else {
 895                         (*name)[k++] = str[i];
 896                 }
 897         }
 898         (*name)[k] = 0;
 899
 900         for (i = dot + 1, k = 0; i < j; i++) {
 901                 if (str[i] == '\\') {
 902                         continue;
 903                 } else {
 904                         (*class)[k++] = str[i];
 905                 }
 906         }
 907         (*class)[k] = 0;
 908
 909         if (!*name) {
 910                 wfree(*name);
 911                 *name = NULL;
 912         }
 913         if (!*class) {
 914                 wfree(*class);
 915                 *class = NULL;
 916         }
 917 }
 918
 919 void SendHelperMessage(WScreen * scr, char type, int workspace, char *msg)
 920 {
 921         char *buffer;
 922         int len;
 923         int i;
 924         char buf[16];
 925
 926         if (!scr->flags.backimage_helper_launched) {
 927                 return;
 928         }
 929
 930         len = (msg ? strlen(msg) : 0) + (workspace >= 0 ? 4 : 0) + 1;
 931         buffer = wmalloc(len + 5);
 932         snprintf(buf, sizeof(buf), "%4i", len);
 933         memcpy(buffer, buf, 4);
 934         buffer[4] = type;
 935         i = 5;
 936         if (workspace >= 0) {
 937                 snprintf(buf, sizeof(buf), "%4i", workspace);
 938                 memcpy(&buffer[i], buf, 4);
 939                 i += 4;
 940                 buffer[i] = 0;
 941         }
 942         if (msg)
 943                 strcpy(&buffer[i], msg);
 944
 945         if (write(scr->helper_fd, buffer, len + 4) < 0) {
 946                 werror(_("could not send message to background image helper"));
 947         }
 948         wfree(buffer);
 949 }
 950
 951 Bool UpdateDomainFile(WDDomain * domain)
 952 {
 953         struct stat stbuf;
 954         char path[PATH_MAX];
 955         WMPropList *shared_dict, *dict;
 956         Bool result, freeDict = False;
 957
 958         dict = domain->dictionary;
 959         if (WMIsPLDictionary(domain->dictionary)) {
 960                 /* retrieve global system dictionary */
 961                 snprintf(path, sizeof(path), "%s/WindowMaker/%s", SYSCONFDIR, domain->domain_name);
 962                 if (stat(path, &stbuf) >= 0) {
 963                         shared_dict = WMReadPropListFromFile(path);
 964                         if (shared_dict) {
 965                                 if (WMIsPLDictionary(shared_dict)) {
 966                                         freeDict = True;
 967                                         dict = WMDeepCopyPropList(domain->dictionary);
 968                                         WMSubtractPLDictionaries(dict, shared_dict, True);
 969                                 }
 970                                 WMReleasePropList(shared_dict);
 971                         }
 972                 }
 973         }
 974
 975         result = WMWritePropListToFile(dict, domain->path);
 976
 977         if (freeDict) {
 978                 WMReleasePropList(dict);
 979         }
 980
 981         return result;
 982 }
 983
 984 char *StrConcatDot(char *a, char *b)
 985 {
 986         int len;
 987         char *str;
 988
 989         if (!a)
 990                 a = "";
 991         if (!b)
 992                 b = "";
 993
 994         len = strlen(a) + strlen(b) + 4;
 995         str = wmalloc(len);
 996
 997         snprintf(str, len, "%s.%s", a, b);
 998
 999         return str;
1000 }
1001
1002 static char *getCommandForWindow(Window win, int elements)
1003 {
1004         char **argv, *command = NULL;
1005         int argc;
1006
1007         if (XGetCommand(dpy, win, &argv, &argc)) {
1008                 if (argc > 0 && argv != NULL) {
1009                         if (elements == 0)
1010                                 elements = argc;
1011                         command = wtokenjoin(argv, WMIN(argc, elements));
1012                         if (command[0] == 0) {
1013                                 wfree(command);
1014                                 command = NULL;
1015                         }
1016                 }
1017                 if (argv) {
1018                         XFreeStringList(argv);
1019                 }
1020         }
1021
1022         return command;
1023 }
1024
1025 /* Free result when done */
1026 char *GetCommandForWindow(Window win)
1027 {
1028         return getCommandForWindow(win, 0);
1029 }