obt/prop.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    obt/prop.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "obt/prop.h"
  21 #include "obt/display.h"
  22
  23 #include <X11/Xatom.h>
  24 #ifdef HAVE_STRING_H
  25 #  include <string.h>
  26 #endif
  27
  28 Atom prop_atoms[OBT_PROP_NUM_ATOMS];
  29 gboolean prop_started = FALSE;
  30
  31 #define CREATE_NAME(var, name) (prop_atoms[OBT_PROP_##var] = \
  32                                 XInternAtom((obt_display), (name), FALSE))
  33 #define CREATE(var) CREATE_NAME(var, #var)
  34 #define CREATE_(var) CREATE_NAME(var, "_" #var)
  35
  36 void obt_prop_startup()
  37 {
  38     if (prop_started) return;
  39     prop_started = TRUE;
  40
  41     g_assert(obt_display);
  42
  43     CREATE(CARDINAL);
  44     CREATE(WINDOW);
  45     CREATE(PIXMAP);
  46     CREATE(ATOM);
  47     CREATE(STRING);
  48     CREATE_NAME(UTF8, "UTF8_STRING");
  49
  50     CREATE(MANAGER);
  51
  52     CREATE(WM_COLORMAP_WINDOWS);
  53     CREATE(WM_PROTOCOLS);
  54     CREATE(WM_STATE);
  55     CREATE(WM_CHANGE_STATE);
  56     CREATE(WM_DELETE_WINDOW);
  57     CREATE(WM_TAKE_FOCUS);
  58     CREATE(WM_NAME);
  59     CREATE(WM_ICON_NAME);
  60     CREATE(WM_CLASS);
  61     CREATE(WM_WINDOW_ROLE);
  62     CREATE(WM_CLIENT_MACHINE);
  63     CREATE(WM_COMMAND);
  64     CREATE(WM_CLIENT_LEADER);
  65     CREATE_(MOTIF_WM_HINTS);
  66
  67     CREATE(SM_CLIENT_ID);
  68
  69     CREATE_(NET_WM_FULL_PLACEMENT);
  70
  71     CREATE_(NET_SUPPORTED);
  72     CREATE_(NET_CLIENT_LIST);
  73     CREATE_(NET_CLIENT_LIST_STACKING);
  74     CREATE_(NET_NUMBER_OF_DESKTOPS);
  75     CREATE_(NET_DESKTOP_GEOMETRY);
  76     CREATE_(NET_DESKTOP_VIEWPORT);
  77     CREATE_(NET_CURRENT_DESKTOP);
  78     CREATE_(NET_DESKTOP_NAMES);
  79     CREATE_(NET_ACTIVE_WINDOW);
  80 /*    CREATE_(NET_RESTACK_WINDOW);*/
  81     CREATE_(NET_WORKAREA);
  82     CREATE_(NET_SUPPORTING_WM_CHECK);
  83     CREATE_(NET_DESKTOP_LAYOUT);
  84     CREATE_(NET_SHOWING_DESKTOP);
  85
  86     CREATE_(NET_CLOSE_WINDOW);
  87     CREATE_(NET_WM_MOVERESIZE);
  88     CREATE_(NET_MOVERESIZE_WINDOW);
  89     CREATE_(NET_REQUEST_FRAME_EXTENTS);
  90     CREATE_(NET_RESTACK_WINDOW);
  91
  92     CREATE_(NET_STARTUP_ID);
  93
  94     CREATE_(NET_WM_NAME);
  95     CREATE_(NET_WM_VISIBLE_NAME);
  96     CREATE_(NET_WM_ICON_NAME);
  97     CREATE_(NET_WM_VISIBLE_ICON_NAME);
  98     CREATE_(NET_WM_DESKTOP);
  99     CREATE_(NET_WM_WINDOW_TYPE);
 100     CREATE_(NET_WM_STATE);
 101     CREATE_(NET_WM_STRUT);
 102     CREATE_(NET_WM_STRUT_PARTIAL);
 103     CREATE_(NET_WM_ICON);
 104     CREATE_(NET_WM_ICON_GEOMETRY);
 105     CREATE_(NET_WM_PID);
 106     CREATE_(NET_WM_ALLOWED_ACTIONS);
 107     CREATE_(NET_WM_USER_TIME);
 108 /*  CREATE_(NET_WM_USER_TIME_WINDOW); */
 109     CREATE_(KDE_NET_WM_FRAME_STRUT);
 110     CREATE_(NET_FRAME_EXTENTS);
 111
 112     CREATE_(NET_WM_PING);
 113 #ifdef SYNC
 114     CREATE_(NET_WM_SYNC_REQUEST);
 115     CREATE_(NET_WM_SYNC_REQUEST_COUNTER);
 116 #endif
 117
 118     CREATE_(NET_WM_WINDOW_TYPE_DESKTOP);
 119     CREATE_(NET_WM_WINDOW_TYPE_DOCK);
 120     CREATE_(NET_WM_WINDOW_TYPE_TOOLBAR);
 121     CREATE_(NET_WM_WINDOW_TYPE_MENU);
 122     CREATE_(NET_WM_WINDOW_TYPE_UTILITY);
 123     CREATE_(NET_WM_WINDOW_TYPE_SPLASH);
 124     CREATE_(NET_WM_WINDOW_TYPE_DIALOG);
 125     CREATE_(NET_WM_WINDOW_TYPE_NORMAL);
 126
 127     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOPLEFT] = 0;
 128     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOP] = 1;
 129     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOPRIGHT] = 2;
 130     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_RIGHT] = 3;
 131     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT] = 4;
 132     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOM] = 5;
 133     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT] = 6;
 134     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_LEFT] = 7;
 135     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_MOVE] = 8;
 136     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_KEYBOARD] = 9;
 137     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_MOVE_KEYBOARD] = 10;
 138     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_CANCEL] = 11;
 139
 140     CREATE_(NET_WM_ACTION_MOVE);
 141     CREATE_(NET_WM_ACTION_RESIZE);
 142     CREATE_(NET_WM_ACTION_MINIMIZE);
 143     CREATE_(NET_WM_ACTION_SHADE);
 144     CREATE_(NET_WM_ACTION_MAXIMIZE_HORZ);
 145     CREATE_(NET_WM_ACTION_MAXIMIZE_VERT);
 146     CREATE_(NET_WM_ACTION_FULLSCREEN);
 147     CREATE_(NET_WM_ACTION_CHANGE_DESKTOP);
 148     CREATE_(NET_WM_ACTION_CLOSE);
 149     CREATE_(NET_WM_ACTION_ABOVE);
 150     CREATE_(NET_WM_ACTION_BELOW);
 151
 152     CREATE_(NET_WM_STATE_MODAL);
 153 /*    CREATE_(NET_WM_STATE_STICKY);*/
 154     CREATE_(NET_WM_STATE_MAXIMIZED_VERT);
 155     CREATE_(NET_WM_STATE_MAXIMIZED_HORZ);
 156     CREATE_(NET_WM_STATE_SHADED);
 157     CREATE_(NET_WM_STATE_SKIP_TASKBAR);
 158     CREATE_(NET_WM_STATE_SKIP_PAGER);
 159     CREATE_(NET_WM_STATE_HIDDEN);
 160     CREATE_(NET_WM_STATE_FULLSCREEN);
 161     CREATE_(NET_WM_STATE_ABOVE);
 162     CREATE_(NET_WM_STATE_BELOW);
 163     CREATE_(NET_WM_STATE_DEMANDS_ATTENTION);
 164
 165     prop_atoms[OBT_PROP_NET_WM_STATE_ADD] = 1;
 166     prop_atoms[OBT_PROP_NET_WM_STATE_REMOVE] = 0;
 167     prop_atoms[OBT_PROP_NET_WM_STATE_TOGGLE] = 2;
 168
 169     prop_atoms[OBT_PROP_NET_WM_ORIENTATION_HORZ] = 0;
 170     prop_atoms[OBT_PROP_NET_WM_ORIENTATION_VERT] = 1;
 171     prop_atoms[OBT_PROP_NET_WM_TOPLEFT] = 0;
 172     prop_atoms[OBT_PROP_NET_WM_TOPRIGHT] = 1;
 173     prop_atoms[OBT_PROP_NET_WM_BOTTOMRIGHT] = 2;
 174     prop_atoms[OBT_PROP_NET_WM_BOTTOMLEFT] = 3;
 175
 176     CREATE_(KDE_WM_CHANGE_STATE);
 177     CREATE_(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
 178
 179 /*
 180     CREATE_NAME(ROOTPMAPId, "_XROOTPMAP_ID");
 181     CREATE_NAME(ESETROOTId, "ESETROOT_PMAP_ID");
 182 */
 183
 184     CREATE_(OPENBOX_PID);
 185     CREATE_(OB_THEME);
 186     CREATE_(OB_CONFIG_FILE);
 187     CREATE_(OB_WM_ACTION_UNDECORATE);
 188     CREATE_(OB_WM_STATE_UNDECORATED);
 189     CREATE_(OB_CONTROL);
 190 }
 191
 192 Atom obt_prop_atom(ObtPropAtom a)
 193 {
 194     g_assert(prop_started);
 195     g_assert(a < OBT_PROP_NUM_ATOMS);
 196     return prop_atoms[a];
 197 }
 198
 199 static gboolean get_prealloc(Window win, Atom prop, Atom type, gint size,
 200                              guchar *data, gulong num)
 201 {
 202     gboolean ret = FALSE;
 203     gint res;
 204     guchar *xdata = NULL;
 205     Atom ret_type;
 206     gint ret_size;
 207     gulong ret_items, bytes_left;
 208     glong num32 = 32 / size * num; /* num in 32-bit elements */
 209
 210     res = XGetWindowProperty(obt_display, win, prop, 0l, num32,
 211                              FALSE, type, &ret_type, &ret_size,
 212                              &ret_items, &bytes_left, &xdata);
 213     if (res == Success && ret_items && xdata) {
 214         if (ret_size == size && ret_items >= num) {
 215             guint i;
 216             for (i = 0; i < num; ++i)
 217                 switch (size) {
 218                 case 8:
 219                     data[i] = xdata[i];
 220                     break;
 221                 case 16:
 222                     ((guint16*)data)[i] = ((gushort*)xdata)[i];
 223                     break;
 224                 case 32:
 225                     ((guint32*)data)[i] = ((gulong*)xdata)[i];
 226                     break;
 227                 default:
 228                     g_assert_not_reached(); /* unhandled size */
 229                 }
 230             ret = TRUE;
 231         }
 232         XFree(xdata);
 233     }
 234     return ret;
 235 }
 236
 237 static gboolean get_all(Window win, Atom prop, Atom type, gint size,
 238                         guchar **data, guint *num)
 239 {
 240     gboolean ret = FALSE;
 241     gint res;
 242     guchar *xdata = NULL;
 243     Atom ret_type;
 244     gint ret_size;
 245     gulong ret_items, bytes_left;
 246
 247     res = XGetWindowProperty(obt_display, win, prop, 0l, G_MAXLONG,
 248                              FALSE, type, &ret_type, &ret_size,
 249                              &ret_items, &bytes_left, &xdata);
 250     if (res == Success) {
 251         if (ret_size == size && ret_items > 0) {
 252             guint i;
 253
 254             *data = g_malloc(ret_items * (size / 8));
 255             for (i = 0; i < ret_items; ++i)
 256                 switch (size) {
 257                 case 8:
 258                     (*data)[i] = xdata[i];
 259                     break;
 260                 case 16:
 261                     ((guint16*)*data)[i] = ((gushort*)xdata)[i];
 262                     break;
 263                 case 32:
 264                     ((guint32*)*data)[i] = ((gulong*)xdata)[i];
 265                     break;
 266                 default:
 267                     g_assert_not_reached(); /* unhandled size */
 268                 }
 269             *num = ret_items;
 270             ret = TRUE;
 271         }
 272         XFree(xdata);
 273     }
 274     return ret;
 275 }
 276
 277 static gboolean get_stringlist(Window win, Atom prop, gchar ***list, gint *nstr)
 278 {
 279     XTextProperty tprop;
 280     gboolean ret = FALSE;
 281
 282     if (XGetTextProperty(obt_display, win, &tprop, prop) && tprop.nitems) {
 283         if (XTextPropertyToStringList(&tprop, list, nstr))
 284             ret = TRUE;
 285         XFree(tprop.value);
 286     }
 287     return ret;
 288 }
 289
 290 gboolean obt_prop_get32(Window win, Atom prop, Atom type, guint32 *ret)
 291 {
 292     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
 293 }
 294
 295 gboolean obt_prop_get_array32(Window win, Atom prop, Atom type, guint32 **ret,
 296                               guint *nret)
 297 {
 298     return get_all(win, prop, type, 32, (guchar**)ret, nret);
 299 }
 300
 301 gboolean obt_prop_get_string_locale(Window win, Atom prop, gchar **ret)
 302 {
 303     gchar **list;
 304     gint nstr;
 305     gchar *s;
 306
 307     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
 308         s = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
 309         XFreeStringList(list);
 310         if (s) {
 311             *ret = s;
 312             return TRUE;
 313         }
 314     }
 315     return FALSE;
 316 }
 317
 318 gboolean obt_prop_get_strings_locale(Window win, Atom prop, gchar ***ret)
 319 {
 320     GSList *strs = NULL, *it;
 321     gchar *raw, *p;
 322     guint num, i, count = 0;
 323
 324     if (get_all(win, prop, OBT_PROP_ATOM(STRING), 8,
 325                 (guchar**)&raw, &num))
 326     {
 327         p = raw;
 328         while (p < raw + num) {
 329             ++count;
 330             strs = g_slist_append(strs, p);
 331             p += strlen(p) + 1; /* next string */
 332         }
 333
 334         *ret = g_new0(gchar*, count + 1);
 335         (*ret)[count] = NULL; /* null terminated list */
 336
 337         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
 338             (*ret)[i] = g_locale_to_utf8(it->data, -1, NULL, NULL, NULL);
 339             /* make sure translation did not fail */
 340             if (!(*ret)[i])
 341                 (*ret)[i] = g_strdup("");
 342         }
 343         g_free(raw);
 344         g_slist_free(strs);
 345         return TRUE;
 346     }
 347     return FALSE;
 348 }
 349
 350 gboolean obt_prop_get_string_utf8(Window win, Atom prop, gchar **ret)
 351 {
 352     gchar *raw;
 353     gchar *str;
 354     guint num;
 355
 356     if (get_all(win, prop, OBT_PROP_ATOM(UTF8), 8,
 357                 (guchar**)&raw, &num))
 358     {
 359         str = g_strndup(raw, num); /* grab the first string from the list */
 360         g_free(raw);
 361         if (g_utf8_validate(str, -1, NULL)) {
 362             *ret = str;
 363             return TRUE;
 364         }
 365         g_free(str);
 366     }
 367     return FALSE;
 368 }
 369
 370 gboolean obt_prop_get_strings_utf8(Window win, Atom prop, gchar ***ret)
 371 {
 372     GSList *strs = NULL, *it;
 373     gchar *raw, *p;
 374     guint num, i, count = 0;
 375
 376     if (get_all(win, prop, OBT_PROP_ATOM(UTF8), 8,
 377                 (guchar**)&raw, &num))
 378     {
 379         p = raw;
 380         while (p < raw + num) {
 381             ++count;
 382             strs = g_slist_append(strs, p);
 383             p += strlen(p) + 1; /* next string */
 384         }
 385
 386         *ret = g_new0(gchar*, count + 1);
 387
 388         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
 389             if (g_utf8_validate(it->data, -1, NULL))
 390                 (*ret)[i] = g_strdup(it->data);
 391             else
 392                 (*ret)[i] = g_strdup("");
 393         }
 394         g_free(raw);
 395         g_slist_free(strs);
 396         return TRUE;
 397     }
 398     return FALSE;
 399 }
 400
 401 void obt_prop_set32(Window win, Atom prop, Atom type, gulong val)
 402 {
 403     XChangeProperty(obt_display, win, prop, type, 32, PropModeReplace,
 404                     (guchar*)&val, 1);
 405 }
 406
 407 void obt_prop_set_array32(Window win, Atom prop, Atom type, gulong *val,
 408                       guint num)
 409 {
 410     XChangeProperty(obt_display, win, prop, type, 32, PropModeReplace,
 411                     (guchar*)val, num);
 412 }
 413
 414 void obt_prop_set_string_locale(Window win, Atom prop, const gchar *val)
 415 {
 416     gchar const *s[2] = { val, NULL };
 417     obt_prop_set_strings_locale(win, prop, s);
 418 }
 419
 420 void obt_prop_set_strings_locale(Window win, Atom prop, const gchar **strs)
 421 {
 422     gint i, count;
 423     gchar **lstrs;
 424     XTextProperty tprop;
 425
 426     /* count the strings in strs, and convert them to the locale format */
 427     for (count = 0; strs[count]; ++count);
 428     lstrs = g_new0(char*, count);
 429     for (i = 0; i < count; ++i) {
 430         lstrs[i] = g_locale_from_utf8(strs[i], -1, NULL, NULL, NULL);
 431         if (!lstrs[i]) {
 432             lstrs[i] = g_strdup(""); /* make it an empty string */
 433             g_warning("Unable to translate string '%s' from UTF8 to locale "
 434                       "format", strs[i]);
 435         }
 436     }
 437
 438
 439     XStringListToTextProperty(lstrs, count, &tprop);
 440     XSetTextProperty(obt_display, win, &tprop, prop);
 441     XFree(tprop.value);
 442 }
 443
 444 void obt_prop_set_string_utf8(Window win, Atom prop, const gchar *val)
 445 {
 446     XChangeProperty(obt_display, win, prop, OBT_PROP_ATOM(UTF8), 8,
 447                     PropModeReplace, (const guchar*)val, strlen(val));
 448 }
 449
 450 void obt_prop_set_strings_utf8(Window win, Atom prop, const gchar **strs)
 451 {
 452     GString *str;
 453     gchar const **s;
 454
 455     str = g_string_sized_new(0);
 456     for (s = strs; *s; ++s) {
 457         str = g_string_append(str, *s);
 458         str = g_string_append_c(str, '\0');
 459     }
 460     XChangeProperty(obt_display, win, prop, obt_prop_atom(OBT_PROP_UTF8), 8,
 461                     PropModeReplace, (guchar*)str->str, str->len);
 462     g_string_free(str, TRUE);
 463 }
 464
 465 void obt_prop_erase(Window win, Atom prop)
 466 {
 467     XDeleteProperty(obt_display, win, prop);
 468 }
 469
 470 void obt_prop_message(gint screen, Window about, Atom messagetype,
 471                       glong data0, glong data1, glong data2, glong data3,
 472                       glong data4, glong mask)
 473 {
 474     obt_prop_message_to(obt_root(screen), about, messagetype,
 475                         data0, data1, data2, data3, data4, mask);
 476 }
 477
 478 void obt_prop_message_to(Window to, Window about,
 479                          Atom messagetype,
 480                          glong data0, glong data1, glong data2, glong data3,
 481                          glong data4, glong mask)
 482 {
 483     XEvent ce;
 484     ce.xclient.type = ClientMessage;
 485     ce.xclient.message_type = messagetype;
 486     ce.xclient.display = obt_display;
 487     ce.xclient.window = about;
 488     ce.xclient.format = 32;
 489     ce.xclient.data.l[0] = data0;
 490     ce.xclient.data.l[1] = data1;
 491     ce.xclient.data.l[2] = data2;
 492     ce.xclient.data.l[3] = data3;
 493     ce.xclient.data.l[4] = data4;
 494     XSendEvent(obt_display, to, FALSE, mask, &ce);
 495 }