openbox/prop.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    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 "prop.h"
  21 #include "openbox.h"
  22
  23 #include <X11/Xatom.h>
  24
  25 Atoms prop_atoms;
  26
  27 #define CREATE(var, name) (prop_atoms.var = \
  28                            XInternAtom(ob_display, name, FALSE))
  29
  30 void prop_startup()
  31 {
  32     CREATE(cardinal, "CARDINAL");
  33     CREATE(window, "WINDOW");
  34     CREATE(pixmap, "PIXMAP");
  35     CREATE(atom, "ATOM");
  36     CREATE(string, "STRING");
  37     CREATE(utf8, "UTF8_STRING");
  38
  39     CREATE(manager, "MANAGER");
  40
  41     CREATE(wm_colormap_windows, "WM_COLORMAP_WINDOWS");
  42     CREATE(wm_protocols, "WM_PROTOCOLS");
  43     CREATE(wm_state, "WM_STATE");
  44     CREATE(wm_change_state, "WM_CHANGE_STATE");
  45     CREATE(wm_delete_window, "WM_DELETE_WINDOW");
  46     CREATE(wm_take_focus, "WM_TAKE_FOCUS");
  47     CREATE(wm_name, "WM_NAME");
  48     CREATE(wm_icon_name, "WM_ICON_NAME");
  49     CREATE(wm_class, "WM_CLASS");
  50     CREATE(wm_window_role, "WM_WINDOW_ROLE");
  51     CREATE(wm_client_machine, "WM_CLIENT_MACHINE");
  52     CREATE(wm_command, "WM_COMMAND");
  53     CREATE(wm_client_leader, "WM_CLIENT_LEADER");
  54     CREATE(motif_wm_hints, "_MOTIF_WM_HINTS");
  55
  56     CREATE(sm_client_id, "SM_CLIENT_ID");
  57
  58     CREATE(net_wm_full_placement, "_NET_WM_FULL_PLACEMENT");
  59
  60     CREATE(net_supported, "_NET_SUPPORTED");
  61     CREATE(net_client_list, "_NET_CLIENT_LIST");
  62     CREATE(net_client_list_stacking, "_NET_CLIENT_LIST_STACKING");
  63     CREATE(net_number_of_desktops, "_NET_NUMBER_OF_DESKTOPS");
  64     CREATE(net_desktop_geometry, "_NET_DESKTOP_GEOMETRY");
  65     CREATE(net_desktop_viewport, "_NET_DESKTOP_VIEWPORT");
  66     CREATE(net_current_desktop, "_NET_CURRENT_DESKTOP");
  67     CREATE(net_desktop_names, "_NET_DESKTOP_NAMES");
  68     CREATE(net_active_window, "_NET_ACTIVE_WINDOW");
  69 /*    CREATE(net_restack_window, "_NET_RESTACK_WINDOW");*/
  70     CREATE(net_workarea, "_NET_WORKAREA");
  71     CREATE(net_supporting_wm_check, "_NET_SUPPORTING_WM_CHECK");
  72     CREATE(net_desktop_layout, "_NET_DESKTOP_LAYOUT");
  73     CREATE(net_showing_desktop, "_NET_SHOWING_DESKTOP");
  74
  75     CREATE(net_close_window, "_NET_CLOSE_WINDOW");
  76     CREATE(net_wm_moveresize, "_NET_WM_MOVERESIZE");
  77     CREATE(net_moveresize_window, "_NET_MOVERESIZE_WINDOW");
  78
  79     CREATE(net_startup_id, "_NET_STARTUP_ID");
  80
  81     CREATE(net_wm_name, "_NET_WM_NAME");
  82     CREATE(net_wm_visible_name, "_NET_WM_VISIBLE_NAME");
  83     CREATE(net_wm_icon_name, "_NET_WM_ICON_NAME");
  84     CREATE(net_wm_visible_icon_name, "_NET_WM_VISIBLE_ICON_NAME");
  85     CREATE(net_wm_desktop, "_NET_WM_DESKTOP");
  86     CREATE(net_wm_window_type, "_NET_WM_WINDOW_TYPE");
  87     CREATE(net_wm_state, "_NET_WM_STATE");
  88     CREATE(net_wm_strut, "_NET_WM_STRUT");
  89     CREATE(net_wm_strut_partial, "_NET_WM_STRUT_PARTIAL");
  90     CREATE(net_wm_icon, "_NET_WM_ICON");
  91     CREATE(net_wm_icon_geometry, "_NET_WM_ICON_GEOMETRY");
  92 /*   CREATE(net_wm_pid, "_NET_WM_PID"); */
  93     CREATE(net_wm_allowed_actions, "_NET_WM_ALLOWED_ACTIONS");
  94     CREATE(net_wm_user_time, "_NET_WM_USER_TIME");
  95     CREATE(kde_net_wm_frame_strut, "_KDE_NET_WM_FRAME_STRUT");
  96     CREATE(net_frame_extents, "_NET_FRAME_EXTENTS");
  97
  98 /*   CREATE(net_wm_ping, "_NET_WM_PING"); */
  99 #ifdef SYNC
 100     CREATE(net_wm_sync_request, "_NET_WM_SYNC_REQUEST");
 101     CREATE(net_wm_sync_request_counter, "_NET_WM_SYNC_REQUEST_COUNTER");
 102 #endif
 103
 104     CREATE(net_wm_window_type_desktop, "_NET_WM_WINDOW_TYPE_DESKTOP");
 105     CREATE(net_wm_window_type_dock, "_NET_WM_WINDOW_TYPE_DOCK");
 106     CREATE(net_wm_window_type_toolbar, "_NET_WM_WINDOW_TYPE_TOOLBAR");
 107     CREATE(net_wm_window_type_menu, "_NET_WM_WINDOW_TYPE_MENU");
 108     CREATE(net_wm_window_type_utility, "_NET_WM_WINDOW_TYPE_UTILITY");
 109     CREATE(net_wm_window_type_splash, "_NET_WM_WINDOW_TYPE_SPLASH");
 110     CREATE(net_wm_window_type_dialog, "_NET_WM_WINDOW_TYPE_DIALOG");
 111     CREATE(net_wm_window_type_normal, "_NET_WM_WINDOW_TYPE_NORMAL");
 112
 113     prop_atoms.net_wm_moveresize_size_topleft = 0;
 114     prop_atoms.net_wm_moveresize_size_top = 1;
 115     prop_atoms.net_wm_moveresize_size_topright = 2;
 116     prop_atoms.net_wm_moveresize_size_right = 3;
 117     prop_atoms.net_wm_moveresize_size_bottomright = 4;
 118     prop_atoms.net_wm_moveresize_size_bottom = 5;
 119     prop_atoms.net_wm_moveresize_size_bottomleft = 6;
 120     prop_atoms.net_wm_moveresize_size_left = 7;
 121     prop_atoms.net_wm_moveresize_move = 8;
 122     prop_atoms.net_wm_moveresize_size_keyboard = 9;
 123     prop_atoms.net_wm_moveresize_move_keyboard = 10;
 124     prop_atoms.net_wm_moveresize_cancel = 11;
 125
 126     CREATE(net_wm_action_move, "_NET_WM_ACTION_MOVE");
 127     CREATE(net_wm_action_resize, "_NET_WM_ACTION_RESIZE");
 128     CREATE(net_wm_action_minimize, "_NET_WM_ACTION_MINIMIZE");
 129     CREATE(net_wm_action_shade, "_NET_WM_ACTION_SHADE");
 130     CREATE(net_wm_action_maximize_horz, "_NET_WM_ACTION_MAXIMIZE_HORZ");
 131     CREATE(net_wm_action_maximize_vert, "_NET_WM_ACTION_MAXIMIZE_VERT");
 132     CREATE(net_wm_action_fullscreen, "_NET_WM_ACTION_FULLSCREEN");
 133     CREATE(net_wm_action_change_desktop, "_NET_WM_ACTION_CHANGE_DESKTOP");
 134     CREATE(net_wm_action_close, "_NET_WM_ACTION_CLOSE");
 135     CREATE(net_wm_state_modal, "_NET_WM_STATE_MODAL");
 136 /*    CREATE(net_wm_state_sticky, "_NET_WM_STATE_STICKY");*/
 137     CREATE(net_wm_state_maximized_vert, "_NET_WM_STATE_MAXIMIZED_VERT");
 138     CREATE(net_wm_state_maximized_horz, "_NET_WM_STATE_MAXIMIZED_HORZ");
 139     CREATE(net_wm_state_shaded, "_NET_WM_STATE_SHADED");
 140     CREATE(net_wm_state_skip_taskbar, "_NET_WM_STATE_SKIP_TASKBAR");
 141     CREATE(net_wm_state_skip_pager, "_NET_WM_STATE_SKIP_PAGER");
 142     CREATE(net_wm_state_hidden, "_NET_WM_STATE_HIDDEN");
 143     CREATE(net_wm_state_fullscreen, "_NET_WM_STATE_FULLSCREEN");
 144     CREATE(net_wm_state_above, "_NET_WM_STATE_ABOVE");
 145     CREATE(net_wm_state_below, "_NET_WM_STATE_BELOW");
 146     CREATE(net_wm_state_demands_attention, "_NET_WM_STATE_DEMANDS_ATTENTION");
 147
 148     prop_atoms.net_wm_state_add = 1;
 149     prop_atoms.net_wm_state_remove = 0;
 150     prop_atoms.net_wm_state_toggle = 2;
 151
 152     prop_atoms.net_wm_orientation_horz = 0;
 153     prop_atoms.net_wm_orientation_vert = 1;
 154     prop_atoms.net_wm_topleft = 0;
 155     prop_atoms.net_wm_topright = 1;
 156     prop_atoms.net_wm_bottomright = 2;
 157     prop_atoms.net_wm_bottomleft = 3;
 158
 159     CREATE(kde_wm_change_state, "_KDE_WM_CHANGE_STATE");
 160     CREATE(kde_net_wm_window_type_override,"_KDE_NET_WM_WINDOW_TYPE_OVERRIDE");
 161
 162 /*
 163     CREATE(rootpmapid, "_XROOTPMAP_ID");
 164     CREATE(esetrootid, "ESETROOT_PMAP_ID");
 165 */
 166
 167     CREATE(openbox_pid, "_OPENBOX_PID");
 168     CREATE(openbox_config, "_OPENBOX_CONFIG");
 169     CREATE(openbox_wm_state_undecorated, "_OB_WM_STATE_UNDECORATED");
 170     CREATE(openbox_control, "_OB_CONTROL");
 171 }
 172
 173 #include <X11/Xutil.h>
 174 #include <glib.h>
 175 #include <string.h>
 176
 177 /* this just isn't used... and it also breaks on 64bit, watch out
 178 static gboolean get(Window win, Atom prop, Atom type, gint size,
 179                     guchar **data, gulong num)
 180 {
 181     gboolean ret = FALSE;
 182     gint res;
 183     guchar *xdata = NULL;
 184     Atom ret_type;
 185     gint ret_size;
 186     gulong ret_items, bytes_left;
 187     glong num32 = 32 / size * num; /\* num in 32-bit elements *\/
 188
 189     res = XGetWindowProperty(display, win, prop, 0l, num32,
 190                              FALSE, type, &ret_type, &ret_size,
 191                              &ret_items, &bytes_left, &xdata);
 192     if (res == Success && ret_items && xdata) {
 193         if (ret_size == size && ret_items >= num) {
 194             *data = g_memdup(xdata, num * (size / 8));
 195             ret = TRUE;
 196         }
 197         XFree(xdata);
 198     }
 199     return ret;
 200 }
 201 */
 202
 203 static gboolean get_prealloc(Window win, Atom prop, Atom type, gint size,
 204                              guchar *data, gulong num)
 205 {
 206     gboolean ret = FALSE;
 207     gint res;
 208     guchar *xdata = NULL;
 209     Atom ret_type;
 210     gint ret_size;
 211     gulong ret_items, bytes_left;
 212     glong num32 = 32 / size * num; /* num in 32-bit elements */
 213
 214     res = XGetWindowProperty(ob_display, win, prop, 0l, num32,
 215                              FALSE, type, &ret_type, &ret_size,
 216                              &ret_items, &bytes_left, &xdata);
 217     if (res == Success && ret_items && xdata) {
 218         if (ret_size == size && ret_items >= num) {
 219             guint i;
 220             for (i = 0; i < num; ++i)
 221                 switch (size) {
 222                 case 8:
 223                     data[i] = xdata[i];
 224                     break;
 225                 case 16:
 226                     ((guint16*)data)[i] = ((gushort*)xdata)[i];
 227                     break;
 228                 case 32:
 229                     ((guint32*)data)[i] = ((gulong*)xdata)[i];
 230                     break;
 231                 default:
 232                     g_assert_not_reached(); /* unhandled size */
 233                 }
 234             ret = TRUE;
 235         }
 236         XFree(xdata);
 237     }
 238     return ret;
 239 }
 240
 241 static gboolean get_all(Window win, Atom prop, Atom type, gint size,
 242                         guchar **data, guint *num)
 243 {
 244     gboolean ret = FALSE;
 245     gint res;
 246     guchar *xdata = NULL;
 247     Atom ret_type;
 248     gint ret_size;
 249     gulong ret_items, bytes_left;
 250
 251     res = XGetWindowProperty(ob_display, win, prop, 0l, G_MAXLONG,
 252                              FALSE, type, &ret_type, &ret_size,
 253                              &ret_items, &bytes_left, &xdata);
 254     if (res == Success) {
 255         if (ret_size == size && ret_items > 0) {
 256             guint i;
 257
 258             *data = g_malloc(ret_items * (size / 8));
 259             for (i = 0; i < ret_items; ++i)
 260                 switch (size) {
 261                 case 8:
 262                     (*data)[i] = xdata[i];
 263                     break;
 264                 case 16:
 265                     ((guint16*)*data)[i] = ((gushort*)xdata)[i];
 266                     break;
 267                 case 32:
 268                     ((guint32*)*data)[i] = ((gulong*)xdata)[i];
 269                     break;
 270                 default:
 271                     g_assert_not_reached(); /* unhandled size */
 272                 }
 273             *num = ret_items;
 274             ret = TRUE;
 275         }
 276         XFree(xdata);
 277     }
 278     return ret;
 279 }
 280
 281 static gboolean get_stringlist(Window win, Atom prop, gchar ***list, gint *nstr)
 282 {
 283     XTextProperty tprop;
 284     gboolean ret = FALSE;
 285
 286     if (XGetTextProperty(ob_display, win, &tprop, prop) && tprop.nitems) {
 287         if (XTextPropertyToStringList(&tprop, list, nstr))
 288             ret = TRUE;
 289         XFree(tprop.value);
 290     }
 291     return ret;
 292 }
 293
 294 gboolean prop_get32(Window win, Atom prop, Atom type, guint32 *ret)
 295 {
 296     return get_prealloc(win, prop, type, 32, (guchar*)ret, 1);
 297 }
 298
 299 gboolean prop_get_array32(Window win, Atom prop, Atom type, guint32 **ret,
 300                           guint *nret)
 301 {
 302     return get_all(win, prop, type, 32, (guchar**)ret, nret);
 303 }
 304
 305 gboolean prop_get_string_locale(Window win, Atom prop, gchar **ret)
 306 {
 307     gchar **list;
 308     gint nstr;
 309     gchar *s;
 310
 311     if (get_stringlist(win, prop, &list, &nstr) && nstr) {
 312         s = g_locale_to_utf8(list[0], -1, NULL, NULL, NULL);
 313         XFreeStringList(list);
 314         if (s) {
 315             *ret = s;
 316             return TRUE;
 317         }
 318     }
 319     return FALSE;
 320 }
 321
 322 gboolean prop_get_strings_locale(Window win, Atom prop, gchar ***ret)
 323 {
 324     GSList *strs = NULL, *it;
 325     gchar *raw, *p;
 326     guint num, i, count = 0;
 327
 328     if (get_all(win, prop, prop_atoms.string, 8, (guchar**)&raw, &num)) {
 329
 330         p = raw;
 331         while (p < raw + num) {
 332             ++count;
 333             strs = g_slist_append(strs, p);
 334             p += strlen(p) + 1; /* next string */
 335         }
 336
 337         *ret = g_new0(gchar*, count + 1);
 338         (*ret)[count] = NULL; /* null terminated list */
 339
 340         for (i = 0, it = strs; it; ++i, it = g_slist_next(it)) {
 341             (*ret)[i] = g_locale_to_utf8(it->data, -1, NULL, NULL, NULL);
 342             /* make sure translation did not fail */
 343             if (!(*ret)[i])
 344                 (*ret)[i] = g_strdup("");
 345         }
 346         g_free(raw);
 347         g_slist_free(strs);
 348         return TRUE;
 349     }
 350     return FALSE;
 351 }
 352
 353 gboolean prop_get_string_utf8(Window win, Atom prop, gchar **ret)
 354 {
 355     gchar *raw;
 356     gchar *str;
 357     guint num;
 358
 359     if (get_all(win, prop, prop_atoms.utf8, 8, (guchar**)&raw, &num)) {
 360         str = g_strndup(raw, num); /* grab the first string from the list */
 361         g_free(raw);
 362         if (g_utf8_validate(str, -1, NULL)) {
 363             *ret = str;
 364             return TRUE;
 365         }
 366         g_free(str);
 367     }
 368     return FALSE;
 369 }
 370
 371 gboolean prop_get_strings_utf8(Window win, Atom prop, gchar ***ret)
 372 {
 373     GSList *strs = NULL, *it;
 374     gchar *raw, *p;
 375     guint num, i, count = 0;
 376
 377     if (get_all(win, prop, prop_atoms.utf8, 8, (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 prop_set32(Window win, Atom prop, Atom type, gulong val)
 402 {
 403     XChangeProperty(ob_display, win, prop, type, 32, PropModeReplace,
 404                     (guchar*)&val, 1);
 405 }
 406
 407 void prop_set_array32(Window win, Atom prop, Atom type, gulong *val,
 408                       guint num)
 409 {
 410     XChangeProperty(ob_display, win, prop, type, 32, PropModeReplace,
 411                     (guchar*)val, num);
 412 }
 413
 414 void prop_set_string_utf8(Window win, Atom prop, const gchar *val)
 415 {
 416     XChangeProperty(ob_display, win, prop, prop_atoms.utf8, 8,
 417                     PropModeReplace, (const guchar*)val, strlen(val));
 418 }
 419
 420 void prop_set_strings_utf8(Window win, Atom prop, gchar **strs)
 421 {
 422     GString *str;
 423     gchar **s;
 424
 425     str = g_string_sized_new(0);
 426     for (s = strs; *s; ++s) {
 427         str = g_string_append(str, *s);
 428         str = g_string_append_c(str, '\0');
 429     }
 430     XChangeProperty(ob_display, win, prop, prop_atoms.utf8, 8,
 431                     PropModeReplace, (guchar*)str->str, str->len);
 432     g_string_free(str, TRUE);
 433 }
 434
 435 void prop_erase(Window win, Atom prop)
 436 {
 437     XDeleteProperty(ob_display, win, prop);
 438 }
 439
 440 void prop_message(Window about, Atom messagetype, glong data0, glong data1,
 441                   glong data2, glong data3, glong mask)
 442 {
 443     XEvent ce;
 444     ce.xclient.type = ClientMessage;
 445     ce.xclient.message_type = messagetype;
 446     ce.xclient.display = ob_display;
 447     ce.xclient.window = about;
 448     ce.xclient.format = 32;
 449     ce.xclient.data.l[0] = data0;
 450     ce.xclient.data.l[1] = data1;
 451     ce.xclient.data.l[2] = data2;
 452     ce.xclient.data.l[3] = data3;
 453     ce.xclient.data.l[4] = 0;
 454     XSendEvent(ob_display, RootWindow(ob_display, ob_screen), FALSE,
 455                mask, &ce);
 456 }