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(void)
  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(WM_TRANSIENT_FOR);
  66     CREATE_(MOTIF_WM_HINTS);
  67     CREATE_(MOTIF_WM_INFO);
  68
  69     CREATE(SM_CLIENT_ID);
  70
  71     CREATE_(NET_WM_FULL_PLACEMENT);
  72
  73     CREATE_(NET_SUPPORTED);
  74     CREATE_(NET_CLIENT_LIST);
  75     CREATE_(NET_CLIENT_LIST_STACKING);
  76     CREATE_(NET_NUMBER_OF_DESKTOPS);
  77     CREATE_(NET_DESKTOP_GEOMETRY);
  78     CREATE_(NET_DESKTOP_VIEWPORT);
  79     CREATE_(NET_CURRENT_DESKTOP);
  80     CREATE_(NET_DESKTOP_NAMES);
  81     CREATE_(NET_ACTIVE_WINDOW);
  82 /*    CREATE_(NET_RESTACK_WINDOW);*/
  83     CREATE_(NET_WORKAREA);
  84     CREATE_(NET_SUPPORTING_WM_CHECK);
  85     CREATE_(NET_DESKTOP_LAYOUT);
  86     CREATE_(NET_SHOWING_DESKTOP);
  87
  88     CREATE_(NET_CLOSE_WINDOW);
  89     CREATE_(NET_WM_MOVERESIZE);
  90     CREATE_(NET_MOVERESIZE_WINDOW);
  91     CREATE_(NET_REQUEST_FRAME_EXTENTS);
  92     CREATE_(NET_RESTACK_WINDOW);
  93
  94     CREATE_(NET_STARTUP_ID);
  95
  96     CREATE_(NET_WM_NAME);
  97     CREATE_(NET_WM_VISIBLE_NAME);
  98     CREATE_(NET_WM_ICON_NAME);
  99     CREATE_(NET_WM_VISIBLE_ICON_NAME);
 100     CREATE_(NET_WM_DESKTOP);
 101     CREATE_(NET_WM_WINDOW_TYPE);
 102     CREATE_(NET_WM_STATE);
 103     CREATE_(NET_WM_STRUT);
 104     CREATE_(NET_WM_STRUT_PARTIAL);
 105     CREATE_(NET_WM_ICON);
 106     CREATE_(NET_WM_ICON_GEOMETRY);
 107     CREATE_(NET_WM_PID);
 108     CREATE_(NET_WM_ALLOWED_ACTIONS);
 109     CREATE_(NET_WM_USER_TIME);
 110 /*  CREATE_(NET_WM_USER_TIME_WINDOW); */
 111     CREATE_(KDE_NET_WM_FRAME_STRUT);
 112     CREATE_(NET_FRAME_EXTENTS);
 113
 114     CREATE_(NET_WM_PING);
 115 #ifdef SYNC
 116     CREATE_(NET_WM_SYNC_REQUEST);
 117     CREATE_(NET_WM_SYNC_REQUEST_COUNTER);
 118 #endif
 119
 120     CREATE_(NET_WM_WINDOW_TYPE_DESKTOP);
 121     CREATE_(NET_WM_WINDOW_TYPE_DOCK);
 122     CREATE_(NET_WM_WINDOW_TYPE_TOOLBAR);
 123     CREATE_(NET_WM_WINDOW_TYPE_MENU);
 124     CREATE_(NET_WM_WINDOW_TYPE_UTILITY);
 125     CREATE_(NET_WM_WINDOW_TYPE_SPLASH);
 126     CREATE_(NET_WM_WINDOW_TYPE_DIALOG);
 127     CREATE_(NET_WM_WINDOW_TYPE_NORMAL);
 128     CREATE_(NET_WM_WINDOW_TYPE_POPUP_MENU);
 129
 130     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOPLEFT] = 0;
 131     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOP] = 1;
 132     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_TOPRIGHT] = 2;
 133     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_RIGHT] = 3;
 134     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT] = 4;
 135     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOM] = 5;
 136     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT] = 6;
 137     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_LEFT] = 7;
 138     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_MOVE] = 8;
 139     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_SIZE_KEYBOARD] = 9;
 140     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_MOVE_KEYBOARD] = 10;
 141     prop_atoms[OBT_PROP_NET_WM_MOVERESIZE_CANCEL] = 11;
 142
 143     CREATE_(NET_WM_ACTION_MOVE);
 144     CREATE_(NET_WM_ACTION_RESIZE);
 145     CREATE_(NET_WM_ACTION_MINIMIZE);
 146     CREATE_(NET_WM_ACTION_SHADE);
 147     CREATE_(NET_WM_ACTION_MAXIMIZE_HORZ);
 148     CREATE_(NET_WM_ACTION_MAXIMIZE_VERT);
 149     CREATE_(NET_WM_ACTION_FULLSCREEN);
 150     CREATE_(NET_WM_ACTION_CHANGE_DESKTOP);
 151     CREATE_(NET_WM_ACTION_CLOSE);
 152     CREATE_(NET_WM_ACTION_ABOVE);
 153     CREATE_(NET_WM_ACTION_BELOW);
 154
 155     CREATE_(NET_WM_STATE_MODAL);
 156 /*    CREATE_(NET_WM_STATE_STICKY);*/
 157     CREATE_(NET_WM_STATE_MAXIMIZED_VERT);
 158     CREATE_(NET_WM_STATE_MAXIMIZED_HORZ);
 159     CREATE_(NET_WM_STATE_SHADED);
 160     CREATE_(NET_WM_STATE_SKIP_TASKBAR);
 161     CREATE_(NET_WM_STATE_SKIP_PAGER);
 162     CREATE_(NET_WM_STATE_HIDDEN);
 163     CREATE_(NET_WM_STATE_FULLSCREEN);
 164     CREATE_(NET_WM_STATE_ABOVE);
 165     CREATE_(NET_WM_STATE_BELOW);
 166     CREATE_(NET_WM_STATE_DEMANDS_ATTENTION);
 167
 168     prop_atoms[OBT_PROP_NET_WM_STATE_ADD] = 1;
 169     prop_atoms[OBT_PROP_NET_WM_STATE_REMOVE] = 0;
 170     prop_atoms[OBT_PROP_NET_WM_STATE_TOGGLE] = 2;
 171
 172     prop_atoms[OBT_PROP_NET_WM_ORIENTATION_HORZ] = 0;
 173     prop_atoms[OBT_PROP_NET_WM_ORIENTATION_VERT] = 1;
 174     prop_atoms[OBT_PROP_NET_WM_TOPLEFT] = 0;
 175     prop_atoms[OBT_PROP_NET_WM_TOPRIGHT] = 1;
 176     prop_atoms[OBT_PROP_NET_WM_BOTTOMRIGHT] = 2;
 177     prop_atoms[OBT_PROP_NET_WM_BOTTOMLEFT] = 3;
 178
 179     CREATE_(KDE_WM_CHANGE_STATE);
 180     CREATE_(KDE_NET_WM_WINDOW_TYPE_OVERRIDE);
 181
 182 /*
 183     CREATE_NAME(ROOTPMAPId, "_XROOTPMAP_ID");
 184     CREATE_NAME(ESETROOTId, "ESETROOT_PMAP_ID");
 185 */
 186
 187     CREATE_(OPENBOX_PID);
 188     CREATE_(OB_FOCUS);
 189     CREATE_(OB_THEME);
 190     CREATE_(OB_CONFIG_FILE);
 191     CREATE_(OB_WM_ACTION_UNDECORATE);
 192     CREATE_(OB_WM_STATE_UNDECORATED);
 193     CREATE_(OB_WM_STATE_LOCKED);
 194     CREATE_(OB_LAST_DESKTOP);
 195     CREATE_(OB_CONTROL);
 196     CREATE_(OB_TARGET_WINDOW);
 197 }
 198
 199 Atom obt_prop_atom(ObtPropAtom a)
 200 {
 201     g_assert(prop_started);
 202     g_assert(a < OBT_PROP_NUM_ATOMS);
 203     return prop_atoms[a];
 204 }
 205
 206 static gboolean get_prealloc(Window win, Atom prop, Atom type, gint size,
 207                              guchar *data, gulong num)
 208 {
 209     gboolean ret = FALSE;
 210     gint res;
 211     guchar *xdata = NULL;
 212     Atom ret_type;
 213     gint ret_size;
 214     gulong ret_items, bytes_left;
 215     glong num32 = 32 / size * num; /* num in 32-bit elements */
 216
 217     res = XGetWindowProperty(obt_display, win, prop, 0l, num32,
 218                              FALSE, type, &ret_type, &ret_size,
 219                              &ret_items, &bytes_left, &xdata);
 220     if (res == Success && ret_items && xdata) {
 221         if (ret_size == size && ret_items >= num) {
 222             guint i;
 223             for (i = 0; i < num; ++i)
 224                 switch (size) {
 225                 case 8:
 226                     data[i] = xdata[i];
 227                     break;
 228                 case 16:
 229                     ((guint16*)data)[i] = ((gushort*)xdata)[i];
 230                     break;
 231                 case 32:
 232                     ((guint32*)data)[i] = ((gulong*)xdata)[i];
 233                     break;
 234                 default:
 235                     g_assert_not_reached(); /* unhandled size */
 236                 }
 237             ret = TRUE;
 238         }
 239         XFree(xdata);
 240     }
 241     return ret;
 242 }
 243
 244 static gboolean get_all(Window win, Atom prop, Atom type, gint size,
 245                         guchar **data, guint *num)
 246 {
 247     gboolean ret = FALSE;
 248     gint res;
 249     guchar *xdata = NULL;
 250     Atom ret_type;
 251     gint ret_size;
 252     gulong ret_items, bytes_left;
 253
 254     res = XGetWindowProperty(obt_display, win, prop, 0l, G_MAXLONG,
 255                              FALSE, type, &ret_type, &ret_size,
 256                              &ret_items, &bytes_left, &xdata);
 257     if (res == Success) {
 258         if (ret_size == size && ret_items > 0) {
 259             guint i;
 260
 261             *data = g_malloc(ret_items * (size / 8));
 262             for (i = 0; i < ret_items; ++i)
 263                 switch (size) {
 264                 case 8:
 265                     (*data)[i] = xdata[i];
 266                     break;
 267                 case 16:
 268                     ((guint16*)*data)[i] = ((gushort*)xdata)[i];
 269                     break;
 270                 case 32:
 271                     ((guint32*)*data)[i] = ((gulong*)xdata)[i];
 272                     break;
 273                 default:
 274                     g_assert_not_reached(); /* unhandled size */
 275                 }
 276             *num = ret_items;
 277             ret = TRUE;
 278         }
 279         XFree(xdata);
 280     }
 281     return ret;
 282 }
 283
 284 static gboolean get_stringlist(Window win, Atom prop, gchar ***list, gint *nstr)
 285 {
 286     XTextProperty tprop;
 287     gboolean ret = FALSE;
 288
 289     if (XGetTextProperty(obt_display, win, &tprop, prop) && tprop.nitems) {
 290         if (XTextPropertyToStringList(&tprop, list, nstr))
 291             ret = TRUE;
 292         XFree(tprop.value);
 293     }
 294     return ret;
 295 }
 296
 297 gboolean obt_prop_get32(Window win, Atom prop, Atom type, guint32 *ret)
 298 {
 299     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
 300 }
 301
 302 gboolean obt_prop_get_array32(Window win, Atom prop, Atom type, guint32 **ret,
 303                               guint *nret)
 304 {
 305     return get_all(win, prop, type, 32, (guchar**)ret, nret);
 306 }
 307
 308 gboolean obt_prop_get_string_locale(Window win, Atom prop, gchar **ret)
 309 {
 310     gchar **list;
 311     gint nstr;
 312     gchar *s;
 313
 314     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
 315         s = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
 316         XFreeStringList(list);
 317         if (s) {
 318             *ret = s;
 319             return TRUE;
 320         }
 321     }
 322     return FALSE;
 323 }
 324
 325 gboolean obt_prop_get_strings_locale(Window win, Atom prop, gchar ***ret)
 326 {
 327     GSList *strs = NULL, *it;
 328     gchar *raw, *p;
 329     guint num, i, count = 0;
 330
 331     if (get_all(win, prop, OBT_PROP_ATOM(STRING), 8,
 332                 (guchar**)&raw, &num))
 333     {
 334         p = raw;
 335         while (p < raw + num) {
 336             ++count;
 337             strs = g_slist_append(strs, p);
 338             p += strlen(p) + 1; /* next string */
 339         }
 340
 341         *ret = g_new0(gchar*, count + 1);
 342         (*ret)[count] = NULL; /* null terminated list */
 343
 344         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
 345             (*ret)[i] = g_locale_to_utf8(it->data, -1, NULL, NULL, NULL);
 346             /* make sure translation did not fail */
 347             if (!(*ret)[i])
 348                 (*ret)[i] = g_strdup("");
 349         }
 350         g_free(raw);
 351         g_slist_free(strs);
 352         return TRUE;
 353     }
 354     return FALSE;
 355 }
 356
 357 gboolean obt_prop_get_string_utf8(Window win, Atom prop, gchar **ret)
 358 {
 359     gchar *raw;
 360     gchar *str;
 361     guint num;
 362
 363     if (get_all(win, prop, OBT_PROP_ATOM(UTF8), 8,
 364                 (guchar**)&raw, &num))
 365     {
 366         str = g_strndup(raw, num); /* grab the first string from the list */
 367         g_free(raw);
 368         if (g_utf8_validate(str, -1, NULL)) {
 369             *ret = str;
 370             return TRUE;
 371         }
 372         g_free(str);
 373     }
 374     return FALSE;
 375 }
 376
 377 gboolean obt_prop_get_strings_utf8(Window win, Atom prop, gchar ***ret)
 378 {
 379     GSList *strs = NULL, *it;
 380     gchar *raw, *p;
 381     guint num, i, count = 0;
 382
 383     if (get_all(win, prop, OBT_PROP_ATOM(UTF8), 8,
 384                 (guchar**)&raw, &num))
 385     {
 386         p = raw;
 387         while (p < raw + num) {
 388             ++count;
 389             strs = g_slist_append(strs, p);
 390             p += strlen(p) + 1; /* next string */
 391         }
 392
 393         *ret = g_new0(gchar*, count + 1);
 394
 395         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
 396             if (g_utf8_validate(it->data, -1, NULL))
 397                 (*ret)[i] = g_strdup(it->data);
 398             else
 399                 (*ret)[i] = g_strdup("");
 400         }
 401         g_free(raw);
 402         g_slist_free(strs);
 403         return TRUE;
 404     }
 405     return FALSE;
 406 }
 407
 408 void obt_prop_set32(Window win, Atom prop, Atom type, gulong val)
 409 {
 410     XChangeProperty(obt_display, win, prop, type, 32, PropModeReplace,
 411                     (guchar*)&val, 1);
 412 }
 413
 414 void obt_prop_set_array32(Window win, Atom prop, Atom type, gulong *val,
 415                       guint num)
 416 {
 417     XChangeProperty(obt_display, win, prop, type, 32, PropModeReplace,
 418                     (guchar*)val, num);
 419 }
 420
 421 void obt_prop_set_string_locale(Window win, Atom prop, const gchar *val)
 422 {
 423     gchar const *s[2] = { val, NULL };
 424     obt_prop_set_strings_locale(win, prop, s);
 425 }
 426
 427 void obt_prop_set_strings_locale(Window win, Atom prop, const gchar **strs)
 428 {
 429     gint i, count;
 430     gchar **lstrs;
 431     XTextProperty tprop;
 432
 433     /* count the strings in strs, and convert them to the locale format */
 434     for (count = 0; strs[count]; ++count);
 435     lstrs = g_new0(char*, count);
 436     for (i = 0; i < count; ++i) {
 437         lstrs[i] = g_locale_from_utf8(strs[i], -1, NULL, NULL, NULL);
 438         if (!lstrs[i]) {
 439             lstrs[i] = g_strdup(""); /* make it an empty string */
 440             g_warning("Unable to translate string '%s' from UTF8 to locale "
 441                       "format", strs[i]);
 442         }
 443     }
 444
 445
 446     XStringListToTextProperty(lstrs, count, &tprop);
 447     XSetTextProperty(obt_display, win, &tprop, prop);
 448     XFree(tprop.value);
 449 }
 450
 451 void obt_prop_set_string_utf8(Window win, Atom prop, const gchar *val)
 452 {
 453     XChangeProperty(obt_display, win, prop, OBT_PROP_ATOM(UTF8), 8,
 454                     PropModeReplace, (const guchar*)val, strlen(val));
 455 }
 456
 457 void obt_prop_set_strings_utf8(Window win, Atom prop, const gchar **strs)
 458 {
 459     GString *str;
 460     gchar const **s;
 461
 462     str = g_string_sized_new(0);
 463     for (s = strs; *s; ++s) {
 464         str = g_string_append(str, *s);
 465         str = g_string_append_c(str, '\0');
 466     }
 467     XChangeProperty(obt_display, win, prop, obt_prop_atom(OBT_PROP_UTF8), 8,
 468                     PropModeReplace, (guchar*)str->str, str->len);
 469     g_string_free(str, TRUE);
 470 }
 471
 472 void obt_prop_erase(Window win, Atom prop)
 473 {
 474     XDeleteProperty(obt_display, win, prop);
 475 }
 476
 477 void obt_prop_message(gint screen, Window about, Atom messagetype,
 478                       glong data0, glong data1, glong data2, glong data3,
 479                       glong data4, glong mask)
 480 {
 481     obt_prop_message_to(obt_root(screen), about, messagetype,
 482                         data0, data1, data2, data3, data4, mask);
 483 }
 484
 485 void obt_prop_message_to(Window to, Window about,
 486                          Atom messagetype,
 487                          glong data0, glong data1, glong data2, glong data3,
 488                          glong data4, glong mask)
 489 {
 490     XEvent ce;
 491     ce.xclient.type = ClientMessage;
 492     ce.xclient.message_type = messagetype;
 493     ce.xclient.display = obt_display;
 494     ce.xclient.window = about;
 495     ce.xclient.format = 32;
 496     ce.xclient.data.l[0] = data0;
 497     ce.xclient.data.l[1] = data1;
 498     ce.xclient.data.l[2] = data2;
 499     ce.xclient.data.l[3] = data3;
 500     ce.xclient.data.l[4] = data4;
 501     XSendEvent(obt_display, to, FALSE, mask, &ce);
 502 }