src/wmspec.c

   1 /*  wmspec.c-- support for the wm-spec Hints
   2  *
   3  *  Window Maker window manager
   4  *
   5  *  Copyright (c) 1998-2003 Alfredo K. Kojima
   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  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20  *  USA.
  21  */
  22
  23 /*
  24  * TODO
  25  * ----
  26  *
  27  * This file needs to be checked for all calls to XGetWindowProperty() and
  28  * proper checks need to be made on the returned values. Only checking for
  29  * return to be Success is not enough. -Dan
  30  */
  31
  32 #include "wconfig.h"
  33
  34 #ifdef NETWM_HINTS
  35
  36 #include <X11/Xlib.h>
  37 #include <X11/Xatom.h>
  38 #include <X11/Xarch.h>
  39 #include <string.h>
  40
  41 #include "WindowMaker.h"
  42 #include "window.h"
  43 #include "screen.h"
  44 #include "workspace.h"
  45 #include "framewin.h"
  46 #include "actions.h"
  47 #include "client.h"
  48 #include "wmspec.h"
  49 #include "icon.h"
  50 #include "stacking.h"
  51 #include "xinerama.h"
  52 #include "properties.h"
  53
  54 #ifdef DEBUG_WMSPEC
  55 #include <stdio.h>
  56 #endif
  57
  58 /* Global variables */
  59 extern Atom _XA_WM_DELETE_WINDOW;
  60 extern Time LastTimestamp;
  61 extern WPreferences wPreferences;
  62
  63 /* Root Window Properties */
  64 static Atom net_supported;
  65 static Atom net_client_list;
  66 static Atom net_client_list_stacking;
  67 static Atom net_number_of_desktops;
  68 static Atom net_desktop_geometry;
  69 static Atom net_desktop_viewport;
  70 static Atom net_current_desktop;
  71 static Atom net_desktop_names;
  72 static Atom net_active_window;
  73 static Atom net_workarea;       /* XXX: not xinerama compatible */
  74 static Atom net_supporting_wm_check;
  75 static Atom net_virtual_roots;  /* N/A */
  76 static Atom net_desktop_layout; /* XXX */
  77 static Atom net_showing_desktop;
  78
  79 /* Other Root Window Messages */
  80 static Atom net_close_window;
  81 static Atom net_moveresize_window;      /* TODO */
  82 static Atom net_wm_moveresize;  /* TODO */
  83
  84 /* Application Window Properties */
  85 static Atom net_wm_name;
  86 static Atom net_wm_visible_name;        /* TODO (unnecessary?) */
  87 static Atom net_wm_icon_name;
  88 static Atom net_wm_visible_icon_name;   /* TODO (unnecessary?) */
  89 static Atom net_wm_desktop;
  90 static Atom net_wm_window_type;
  91 static Atom net_wm_window_type_desktop;
  92 static Atom net_wm_window_type_dock;
  93 static Atom net_wm_window_type_toolbar;
  94 static Atom net_wm_window_type_menu;
  95 static Atom net_wm_window_type_utility;
  96 static Atom net_wm_window_type_splash;
  97 static Atom net_wm_window_type_dialog;
  98 static Atom net_wm_window_type_normal;
  99 static Atom net_wm_state;
 100 static Atom net_wm_state_modal; /* XXX: what is this?!? */
 101 static Atom net_wm_state_sticky;
 102 static Atom net_wm_state_maximized_vert;
 103 static Atom net_wm_state_maximized_horz;
 104 static Atom net_wm_state_shaded;
 105 static Atom net_wm_state_skip_taskbar;
 106 static Atom net_wm_state_skip_pager;
 107 static Atom net_wm_state_hidden;
 108 static Atom net_wm_state_fullscreen;
 109 static Atom net_wm_state_above;
 110 static Atom net_wm_state_below;
 111 static Atom net_wm_allowed_actions;
 112 static Atom net_wm_action_move;
 113 static Atom net_wm_action_resize;
 114 static Atom net_wm_action_minimize;
 115 static Atom net_wm_action_shade;
 116 static Atom net_wm_action_stick;
 117 static Atom net_wm_action_maximize_horz;
 118 static Atom net_wm_action_maximize_vert;
 119 static Atom net_wm_action_fullscreen;
 120 static Atom net_wm_action_change_desktop;
 121 static Atom net_wm_action_close;
 122 static Atom net_wm_strut;       /* XXX: see net_workarea */
 123 static Atom net_wm_strut_partial;       /* TODO: doesn't really fit into the current strut scheme */
 124 static Atom net_wm_icon_geometry;       /* FIXME: should work together with net_wm_handled_icons, gnome-panel-2.2.0.1 doesn't use _NET_WM_HANDLED_ICONS, thus present situation. */
 125 static Atom net_wm_icon;
 126 static Atom net_wm_pid;         /* TODO */
 127 static Atom net_wm_handled_icons;       /* FIXME: see net_wm_icon_geometry */
 128
 129 /* Window Manager Protocols */
 130 static Atom net_wm_ping;        /* TODO */
 131
 132 static Atom utf8_string;
 133
 134 typedef struct {
 135         char *name;
 136         Atom *atom;
 137 } atomitem_t;
 138
 139 static atomitem_t atomNames[] = {
 140         {"_NET_SUPPORTED", &net_supported},
 141         {"_NET_CLIENT_LIST", &net_client_list},
 142         {"_NET_CLIENT_LIST_STACKING", &net_client_list_stacking},
 143         {"_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops},
 144         {"_NET_DESKTOP_GEOMETRY", &net_desktop_geometry},
 145         {"_NET_DESKTOP_VIEWPORT", &net_desktop_viewport},
 146         {"_NET_CURRENT_DESKTOP", &net_current_desktop},
 147         {"_NET_DESKTOP_NAMES", &net_desktop_names},
 148         {"_NET_ACTIVE_WINDOW", &net_active_window},
 149         {"_NET_WORKAREA", &net_workarea},
 150         {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
 151         {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
 152         {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
 153         {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
 154
 155         {"_NET_CLOSE_WINDOW", &net_close_window},
 156         {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
 157         {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
 158
 159         {"_NET_WM_NAME", &net_wm_name},
 160         {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
 161         {"_NET_WM_ICON_NAME", &net_wm_icon_name},
 162         {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
 163         {"_NET_WM_DESKTOP", &net_wm_desktop},
 164         {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
 165         {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
 166         {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
 167         {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
 168         {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
 169         {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
 170         {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
 171         {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
 172         {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
 173         {"_NET_WM_STATE", &net_wm_state},
 174         {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
 175         {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
 176         {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
 177         {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
 178         {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
 179         {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
 180         {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
 181         {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
 182         {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
 183         {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
 184         {"_NET_WM_STATE_BELOW", &net_wm_state_below},
 185         {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
 186         {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
 187         {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
 188         {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
 189         {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
 190         {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
 191         {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
 192         {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
 193         {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
 194         {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
 195         {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
 196         {"_NET_WM_STRUT", &net_wm_strut},
 197         {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
 198         {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
 199         {"_NET_WM_ICON", &net_wm_icon},
 200         {"_NET_WM_PID", &net_wm_pid},
 201         {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
 202
 203         {"_NET_WM_PING", &net_wm_ping},
 204
 205         {"UTF8_STRING", &utf8_string},
 206 };
 207
 208 #define atomNr (sizeof(atomNames)/sizeof(atomitem_t))
 209
 210 #define _NET_WM_STATE_REMOVE 0
 211 #define _NET_WM_STATE_ADD 1
 212 #define _NET_WM_STATE_TOGGLE 2
 213
 214 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT      0
 215 #define _NET_WM_MOVERESIZE_SIZE_TOP          1
 216 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT     2
 217 #define _NET_WM_MOVERESIZE_SIZE_RIGHT        3
 218 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT  4
 219 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM       5
 220 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT   6
 221 #define _NET_WM_MOVERESIZE_SIZE_LEFT         7
 222 #define _NET_WM_MOVERESIZE_MOVE              8  /* movement only */
 223 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD     9  /* size via keyboard */
 224 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD    10  /* move via keyboard */
 225
 226 static void observer(void *self, WMNotification * notif);
 227 static void wsobserver(void *self, WMNotification * notif);
 228
 229 static void updateClientList(WScreen * scr);
 230 static void updateClientListStacking(WScreen * scr, WWindow *);
 231
 232 static void updateWorkspaceNames(WScreen * scr);
 233 static void updateCurrentWorkspace(WScreen * scr);
 234 static void updateWorkspaceCount(WScreen * scr);
 235
 236 typedef struct NetData {
 237         WScreen *scr;
 238         WReservedArea *strut;
 239         WWindow **show_desktop;
 240 } NetData;
 241
 242 static void setSupportedHints(WScreen * scr)
 243 {
 244         Atom atom[atomNr];
 245         int i = 0;
 246
 247         /* set supported hints list */
 248         /* XXX: extend this !!! */
 249
 250         atom[i++] = net_client_list;
 251         atom[i++] = net_client_list_stacking;
 252         atom[i++] = net_number_of_desktops;
 253         atom[i++] = net_desktop_geometry;
 254         atom[i++] = net_desktop_viewport;
 255         atom[i++] = net_current_desktop;
 256         atom[i++] = net_desktop_names;
 257         atom[i++] = net_active_window;
 258         atom[i++] = net_workarea;
 259         atom[i++] = net_supporting_wm_check;
 260         atom[i++] = net_showing_desktop;
 261 #if 0
 262         atom[i++] = net_wm_moveresize;
 263 #endif
 264         atom[i++] = net_wm_desktop;
 265         atom[i++] = net_wm_window_type;
 266         atom[i++] = net_wm_window_type_desktop;
 267         atom[i++] = net_wm_window_type_dock;
 268         atom[i++] = net_wm_window_type_toolbar;
 269         atom[i++] = net_wm_window_type_menu;
 270         atom[i++] = net_wm_window_type_utility;
 271         atom[i++] = net_wm_window_type_splash;
 272         atom[i++] = net_wm_window_type_dialog;
 273         atom[i++] = net_wm_window_type_normal;
 274
 275         atom[i++] = net_wm_state;
 276         /*    atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
 277         atom[i++] = net_wm_state_sticky;
 278         atom[i++] = net_wm_state_shaded;
 279         atom[i++] = net_wm_state_maximized_horz;
 280         atom[i++] = net_wm_state_maximized_vert;
 281         atom[i++] = net_wm_state_skip_taskbar;
 282         atom[i++] = net_wm_state_skip_pager;
 283         atom[i++] = net_wm_state_hidden;
 284         atom[i++] = net_wm_state_fullscreen;
 285         atom[i++] = net_wm_state_above;
 286         atom[i++] = net_wm_state_below;
 287
 288         atom[i++] = net_wm_allowed_actions;
 289         atom[i++] = net_wm_action_move;
 290         atom[i++] = net_wm_action_resize;
 291         atom[i++] = net_wm_action_minimize;
 292         atom[i++] = net_wm_action_shade;
 293         atom[i++] = net_wm_action_stick;
 294         atom[i++] = net_wm_action_maximize_horz;
 295         atom[i++] = net_wm_action_maximize_vert;
 296         atom[i++] = net_wm_action_fullscreen;
 297         atom[i++] = net_wm_action_change_desktop;
 298         atom[i++] = net_wm_action_close;
 299
 300         atom[i++] = net_wm_strut;
 301         atom[i++] = net_wm_icon_geometry;
 302         atom[i++] = net_wm_icon;
 303         atom[i++] = net_wm_handled_icons;
 304
 305         atom[i++] = net_wm_name;
 306         atom[i++] = net_wm_icon_name;
 307
 308         XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
 309
 310         /* set supporting wm hint */
 311         XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
 312                         PropModeReplace, (unsigned char *)&scr->info_window, 1);
 313
 314         XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
 315                         32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
 316 }
 317
 318 void wNETWMUpdateDesktop(WScreen * scr)
 319 {
 320         long *views, sizes[2];
 321         int count, i;
 322
 323         if (scr->workspace_count == 0)
 324                 return;
 325
 326         count = scr->workspace_count * 2;
 327         views = wmalloc(sizeof(long) * count);
 328         /*memset(views, 0, sizeof(long) * count); */
 329
 330 #ifdef VIRTUAL_DESKTOP
 331         sizes[0] = scr->workspaces[scr->current_workspace]->width;
 332         sizes[1] = scr->workspaces[scr->current_workspace]->height;
 333 #else
 334         sizes[0] = scr->scr_width;
 335         sizes[1] = scr->scr_height;
 336 #endif
 337
 338         for (i = 0; i < scr->workspace_count; i++) {
 339 #ifdef VIRTUAL_DESKTOP
 340                 views[2 * i + 0] = scr->workspaces[i]->view_x;
 341                 views[2 * i + 1] = scr->workspaces[i]->view_y;
 342 #else
 343                 views[2 * i + 0] = 0;
 344                 views[2 * i + 1] = 0;
 345 #endif
 346         }
 347
 348         XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
 349                         PropModeReplace, (unsigned char *)sizes, 2);
 350
 351         XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
 352                         PropModeReplace, (unsigned char *)views, count);
 353
 354         wfree(views);
 355 }
 356
 357 int wNETWMGetCurrentDesktopFromHint(WScreen * scr)
 358 {
 359         int count;
 360         unsigned char *prop;
 361
 362         prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
 363         if (prop) {
 364                 int desktop = *(long *)prop;
 365                 XFree(prop);
 366                 return desktop;
 367         }
 368         return -1;
 369 }
 370
 371 /*
 372  * Find the best icon to be used by Window Maker for appicon/miniwindows.
 373  * Currently the algorithm is to take the image with the size closest
 374  * to icon_size x icon_size, but never bigger than that.
 375  *
 376  * This algorithm is very poorly implemented and needs to be redone (it can
 377  * easily select images with very large widths and very small heights over
 378  * square images, if the area of the former is closer to the desired one).
 379  *
 380  * The logic can also be changed to accept bigger images and scale them down.
 381  */
 382 static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
 383 {
 384         int size, wanted, d;
 385         unsigned long i, distance;
 386         unsigned long *icon;
 387
 388         /* better use only 75% of icon_size. For 64x64 this means 48x48
 389          * This leaves room around the icon for the miniwindow title and
 390          * results in better overall aesthetics -Dan */
 391         wanted = wPreferences.icon_size * wPreferences.icon_size;
 392
 393         for (icon = NULL, distance = LONG_MAX, i = 0L; i < items - 1;) {
 394                 size = data[i] * data[i + 1];
 395                 if (size == 0)
 396                         break;
 397                 d = wanted - size;
 398                 if (d >= 0 && d <= distance && (i + size + 2) <= items) {
 399                         distance = d;
 400                         icon = &data[i];
 401                 }
 402                 i += size + 2;
 403         }
 404
 405         return icon;
 406 }
 407
 408 static RImage *makeRImageFromARGBData(unsigned long *data)
 409 {
 410         int size, width, height, i;
 411         RImage *image;
 412         unsigned char *imgdata;
 413         unsigned long pixel;
 414
 415         width = data[0];
 416         height = data[1];
 417         size = width * height;
 418
 419         if (size == 0)
 420                 return NULL;
 421
 422         image = RCreateImage(width, height, True);
 423
 424         for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
 425                 pixel = data[i];
 426 #if BYTE_ORDER == BIG_ENDIAN
 427                 imgdata[2] = (pixel >> 24) & 0xff;      /* A */
 428                 imgdata[1] = (pixel >> 16) & 0xff;      /* R */
 429                 imgdata[0] = (pixel >> 8) & 0xff;       /* G */
 430                 imgdata[3] = (pixel >> 0) & 0xff;       /* B */
 431 #else                           /* Little endian */
 432                 imgdata[3] = (pixel >> 24) & 0xff;      /* A */
 433                 imgdata[0] = (pixel >> 16) & 0xff;      /* R */
 434                 imgdata[1] = (pixel >> 8) & 0xff;       /* G */
 435                 imgdata[2] = (pixel >> 0) & 0xff;       /* B */
 436 #endif                          /* endianness */
 437
 438         }
 439
 440         return image;
 441 }
 442
 443 static void updateIconImage(WScreen * scr, WWindow * wwin)
 444 {
 445         unsigned long *property, *data;
 446         unsigned long items, rest;
 447         Atom type;
 448         int format;
 449         RImage *image;
 450
 451         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
 452                                False, XA_CARDINAL, &type, &format, &items, &rest,
 453                                (unsigned char **)&property) != Success || !property) {
 454                 return;
 455         }
 456
 457         if (type != XA_CARDINAL || format != 32 || items < 2) {
 458                 XFree(property);
 459                 return;
 460         }
 461
 462         data = findBestIcon(property, items);
 463         if (!data) {
 464                 XFree(property);
 465                 return;
 466         }
 467
 468         image = makeRImageFromARGBData(data);
 469
 470         if (image) {
 471                 if (wwin->net_icon_image)
 472                         RReleaseImage(wwin->net_icon_image);
 473                 wwin->net_icon_image = image;
 474         }
 475
 476         XFree(property);
 477 }
 478
 479 static void updateShowDesktop(WScreen * scr, Bool show)
 480 {
 481         long foo;
 482
 483         foo = (show == True);
 484         XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
 485                         PropModeReplace, (unsigned char *)&foo, 1);
 486 }
 487
 488 void wNETWMShowingDesktop(WScreen * scr, Bool show)
 489 {
 490         if (show && scr->netdata->show_desktop == NULL) {
 491                 WWindow *tmp, **wins;
 492                 int i = 0;
 493
 494                 wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
 495
 496                 tmp = scr->focused_window;
 497                 while (tmp) {
 498                         if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
 499
 500                                 wins[i++] = tmp;
 501                                 tmp->flags.skip_next_animation = 1;
 502                                 tmp->flags.net_show_desktop = 1;
 503                                 wIconifyWindow(tmp);
 504                         }
 505
 506                         tmp = tmp->prev;
 507                 }
 508                 wins[i++] = NULL;
 509
 510                 scr->netdata->show_desktop = wins;
 511                 updateShowDesktop(scr, True);
 512         } else if (scr->netdata->show_desktop != NULL) {
 513                 /* FIXME: get rid of workspace flashing ! */
 514                 int ws = scr->current_workspace;
 515                 WWindow **tmp;
 516                 for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
 517                         wDeiconifyWindow(*tmp);
 518                         (*tmp)->flags.net_show_desktop = 0;
 519                 }
 520                 if (ws != scr->current_workspace)
 521                         wWorkspaceChange(scr, ws);
 522                 wfree(scr->netdata->show_desktop);
 523                 scr->netdata->show_desktop = NULL;
 524                 updateShowDesktop(scr, False);
 525         }
 526 }
 527
 528 void wNETWMInitStuff(WScreen * scr)
 529 {
 530         NetData *data;
 531         int i;
 532
 533 #ifdef DEBUG_WMSPEC
 534         printf("wNETWMInitStuff\n");
 535 #endif
 536
 537 #ifdef HAVE_XINTERNATOMS
 538         {
 539                 Atom atoms[atomNr];
 540                 char *names[atomNr];
 541
 542                 for (i = 0; i < atomNr; ++i) {
 543                         names[i] = atomNames[i].name;
 544                 }
 545                 XInternAtoms(dpy, &names[0], atomNr, False, atoms);
 546                 for (i = 0; i < atomNr; ++i) {
 547                         *atomNames[i].atom = atoms[i];
 548                 }
 549         }
 550 #else
 551         for (i = 0; i < atomNr; i++) {
 552                 *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
 553         }
 554 #endif
 555
 556         data = wmalloc(sizeof(NetData));
 557         data->scr = scr;
 558         data->strut = NULL;
 559         data->show_desktop = NULL;
 560
 561         scr->netdata = data;
 562
 563         setSupportedHints(scr);
 564
 565         WMAddNotificationObserver(observer, data, WMNManaged, NULL);
 566         WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
 567         WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
 568         WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
 569         WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
 570         WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
 571         WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
 572
 573         WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
 574         WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
 575         WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
 576         WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
 577
 578         updateClientList(scr);
 579         updateClientListStacking(scr, NULL);
 580         updateWorkspaceCount(scr);
 581         updateWorkspaceNames(scr);
 582         updateShowDesktop(scr, False);
 583
 584         wScreenUpdateUsableArea(scr);
 585 }
 586
 587 void wNETWMCleanup(WScreen * scr)
 588 {
 589         int i;
 590
 591         for (i = 0; i < atomNr; i++)
 592                 XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
 593 }
 594
 595 void wNETWMUpdateActions(WWindow * wwin, Bool del)
 596 {
 597         Atom action[10];        /* nr of actions atoms defined */
 598         int i = 0;
 599
 600         if (del) {
 601                 XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
 602                 return;
 603         }
 604
 605         if (IS_MOVABLE(wwin))
 606                 action[i++] = net_wm_action_move;
 607
 608         if (IS_RESIZABLE(wwin))
 609                 action[i++] = net_wm_action_resize;
 610
 611         if (!WFLAGP(wwin, no_miniaturizable))
 612                 action[i++] = net_wm_action_minimize;
 613
 614         if (!WFLAGP(wwin, no_shadeable))
 615                 action[i++] = net_wm_action_shade;
 616
 617         /*    if (!WFLAGP(wwin, no_stickable)) */
 618         action[i++] = net_wm_action_stick;
 619
 620         /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
 621         if (IS_RESIZABLE(wwin))
 622                 action[i++] = net_wm_action_maximize_horz;
 623
 624         /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
 625         if (IS_RESIZABLE(wwin))
 626                 action[i++] = net_wm_action_maximize_vert;
 627
 628         /*    if (!WFLAGP(wwin, no_fullscreen)) */
 629         action[i++] = net_wm_action_fullscreen;
 630
 631         /*    if (!WFLAGP(wwin, no_change_desktop)) */
 632         action[i++] = net_wm_action_change_desktop;
 633
 634         if (!WFLAGP(wwin, no_closable))
 635                 action[i++] = net_wm_action_close;
 636
 637         XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
 638                         XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
 639 }
 640
 641 void wNETWMUpdateWorkarea(WScreen * scr, WArea usableArea)
 642 {
 643         long *area;
 644         int count, i;
 645
 646         /* XXX: not Xinerama compatible,
 647            xinerama gets the largest available */
 648
 649         if (!scr->netdata || scr->workspace_count == 0)
 650                 return;
 651
 652         count = scr->workspace_count * 4;
 653         area = wmalloc(sizeof(long) * count);
 654         for (i = 0; i < scr->workspace_count; i++) {
 655                 area[4 * i + 0] = usableArea.x1;
 656                 area[4 * i + 1] = usableArea.y1;
 657                 area[4 * i + 2] = usableArea.x2 - usableArea.x1;
 658                 area[4 * i + 3] = usableArea.y2 - usableArea.y1;
 659         }
 660
 661         XChangeProperty(dpy, scr->root_win, net_workarea, XA_CARDINAL, 32,
 662                         PropModeReplace, (unsigned char *)area, count);
 663
 664         wfree(area);
 665 }
 666
 667 Bool wNETWMGetUsableArea(WScreen * scr, int head, WArea * area)
 668 {
 669         WReservedArea *cur;
 670         WMRect rect;
 671
 672         if (!scr->netdata || !scr->netdata->strut)
 673                 return False;
 674
 675         area->x1 = area->y1 = area->x2 = area->y2 = 0;
 676
 677         for (cur = scr->netdata->strut; cur; cur = cur->next) {
 678                 WWindow *wwin = wWindowFor(cur->window);
 679                 if (wWindowTouchesHead(wwin, head)) {
 680                         if (cur->area.x1 > area->x1)
 681                                 area->x1 = cur->area.x1;
 682                         if (cur->area.y1 > area->y1)
 683                                 area->y1 = cur->area.y1;
 684                         if (cur->area.x2 > area->x2)
 685                                 area->x2 = cur->area.x2;
 686                         if (cur->area.y2 > area->y2)
 687                                 area->y2 = cur->area.y2;
 688                 }
 689         }
 690
 691         if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
 692                 return False;
 693
 694         rect = wGetRectForHead(scr, head);
 695
 696         area->x1 = rect.pos.x + area->x1;
 697         area->x2 = rect.pos.x + rect.size.width - area->x2;
 698         area->y1 = rect.pos.y + area->y1;
 699         area->y2 = rect.pos.y + rect.size.height - area->y2;
 700
 701         return True;
 702 }
 703
 704 static void updateClientList(WScreen * scr)
 705 {
 706         WWindow *wwin;
 707         Window *windows;
 708         int count;
 709
 710         windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
 711
 712         count = 0;
 713         wwin = scr->focused_window;
 714         while (wwin) {
 715                 windows[count++] = wwin->client_win;
 716                 wwin = wwin->prev;
 717         }
 718         XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
 719                         PropModeReplace, (unsigned char *)windows, count);
 720
 721         wfree(windows);
 722         XFlush(dpy);
 723 }
 724
 725 static void updateClientListStacking(WScreen * scr, WWindow * wwin_excl)
 726 {
 727         WWindow *wwin;
 728         Window *client_list;
 729         Window *client_list_reverse;
 730         int client_count;
 731         WCoreWindow *tmp;
 732         WMBagIterator iter;
 733         int i;
 734
 735         /* update client list */
 736         i = scr->window_count + 1;
 737         client_list = (Window *) wmalloc(sizeof(Window) * i);
 738         client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
 739
 740         client_count = 0;
 741         WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
 742                 while (tmp) {
 743                         wwin = wWindowFor(tmp->window);
 744                         /* wwin_excl is a window to exclude from the list
 745                            (e.g. it's now unmanaged) */
 746                         if (wwin && (wwin != wwin_excl))
 747                                 client_list[client_count++] = wwin->client_win;
 748                         tmp = tmp->stacking->under;
 749                 }
 750         }
 751
 752         for (i = 0; i < client_count; i++) {
 753                 Window w = client_list[client_count - i - 1];
 754                 client_list_reverse[i] = w;
 755         }
 756
 757         XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
 758                         PropModeReplace, (unsigned char *)client_list_reverse, client_count);
 759
 760         wfree(client_list);
 761         wfree(client_list_reverse);
 762
 763         XFlush(dpy);
 764 }
 765
 766 static void updateWorkspaceCount(WScreen * scr)
 767 {                               /* changeable */
 768         long count;
 769
 770         count = scr->workspace_count;
 771
 772         XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
 773                         32, PropModeReplace, (unsigned char *)&count, 1);
 774 }
 775
 776 static void updateCurrentWorkspace(WScreen * scr)
 777 {                               /* changeable */
 778         long count;
 779
 780         count = scr->current_workspace;
 781
 782         XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
 783                         PropModeReplace, (unsigned char *)&count, 1);
 784 }
 785
 786 static void updateWorkspaceNames(WScreen * scr)
 787 {
 788         char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
 789         unsigned int i, len, curr_size;
 790
 791         pos = buf;
 792         len = 0;
 793         for (i = 0; i < scr->workspace_count; i++) {
 794                 curr_size = strlen(scr->workspaces[i]->name);
 795                 strcpy(pos, scr->workspaces[i]->name);
 796                 pos += (curr_size + 1);
 797                 len += (curr_size + 1);
 798         }
 799
 800         XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
 801                         PropModeReplace, (unsigned char *)buf, len);
 802 }
 803
 804 static void updateFocusHint(WScreen * scr, WWindow * wwin)
 805 {                               /* changeable */
 806         Window window;
 807
 808         if (!scr->focused_window || !scr->focused_window->flags.focused)
 809                 window = None;
 810         else
 811                 window = scr->focused_window->client_win;
 812
 813         XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
 814                         PropModeReplace, (unsigned char *)&window, 1);
 815 }
 816
 817 static void updateWorkspaceHint(WWindow * wwin, Bool fake, Bool del)
 818 {
 819         long l;
 820
 821         if (del) {
 822                 XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
 823         } else {
 824                 l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
 825                 XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
 826                                 32, PropModeReplace, (unsigned char *)&l, 1);
 827         }
 828 }
 829
 830 static void updateStateHint(WWindow * wwin, Bool changedWorkspace, Bool del)
 831 {                               /* changeable */
 832         if (del) {
 833                 if (!wwin->flags.net_state_from_client) {
 834                         XDeleteProperty(dpy, wwin->client_win, net_wm_state);
 835                 }
 836         } else {
 837                 Atom state[15]; /* nr of defined state atoms */
 838                 int i = 0;
 839
 840                 if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
 841                         updateWorkspaceHint(wwin, False, False);
 842
 843                 if (IS_OMNIPRESENT(wwin))
 844                         state[i++] = net_wm_state_sticky;
 845                 if (wwin->flags.shaded)
 846                         state[i++] = net_wm_state_shaded;
 847                 if (wwin->flags.maximized & MAX_HORIZONTAL)
 848                         state[i++] = net_wm_state_maximized_horz;
 849                 if (wwin->flags.maximized & MAX_VERTICAL)
 850                         state[i++] = net_wm_state_maximized_vert;
 851                 if (WFLAGP(wwin, skip_window_list))
 852                         state[i++] = net_wm_state_skip_taskbar;
 853                 if (wwin->flags.net_skip_pager)
 854                         state[i++] = net_wm_state_skip_pager;
 855                 if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
 856                         state[i++] = net_wm_state_hidden;
 857                         state[i++] = net_wm_state_skip_pager;
 858
 859                         if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
 860                                 if (!IS_OMNIPRESENT(wwin))
 861                                         updateWorkspaceHint(wwin, True, False);
 862                                 state[i++] = net_wm_state_sticky;
 863                         }
 864                 }
 865                 if (WFLAGP(wwin, sunken))
 866                         state[i++] = net_wm_state_below;
 867                 if (WFLAGP(wwin, floating))
 868                         state[i++] = net_wm_state_above;
 869                 if (wwin->flags.fullscreen)
 870                         state[i++] = net_wm_state_fullscreen;
 871
 872                 XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
 873                                 PropModeReplace, (unsigned char *)state, i);
 874         }
 875 }
 876
 877 static Bool updateStrut(WWindow * wwin, Bool adding)
 878 {
 879         WScreen *scr;
 880         WReservedArea *area;
 881         Bool hasState = False;
 882
 883         scr = wwin->screen_ptr;
 884
 885         if (adding) {
 886                 Atom type_ret;
 887                 int fmt_ret;
 888                 unsigned long nitems_ret;
 889                 unsigned long bytes_after_ret;
 890                 long *data = 0;
 891
 892                 if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
 893                                        XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
 894                                        &bytes_after_ret, (unsigned char **)&data) == Success && data) {
 895
 896                         area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
 897                         area->area.x1 = data[0];
 898                         area->area.x2 = data[1];
 899                         area->area.y1 = data[2];
 900                         area->area.y2 = data[3];
 901
 902                         area->window = wwin->client_win;
 903
 904                         area->next = scr->netdata->strut;
 905                         scr->netdata->strut = area;
 906
 907                         XFree(data);
 908                         hasState = True;
 909 #ifdef VIRTUAL_DESKTOP
 910                         /* just in case wm_window_type didn't set it already */
 911                         wwin->client_flags.virtual_stick = 1;
 912 #endif
 913                 }
 914
 915         } else {
 916                 /* deleting */
 917                 area = scr->netdata->strut;
 918
 919                 if (area) {
 920                         if (area->window == wwin->client_win) {
 921                                 scr->netdata->strut = area->next;
 922                                 wfree(area);
 923                                 hasState = True;
 924                         } else {
 925                                 while (area->next && area->next->window != wwin->client_win)
 926                                         area = area->next;
 927
 928                                 if (area->next) {
 929                                         WReservedArea *next;
 930
 931                                         next = area->next->next;
 932                                         wfree(area->next);
 933                                         area->next = next;
 934
 935                                         hasState = True;
 936                                 }
 937                         }
 938                 }
 939         }
 940
 941         return hasState;
 942 }
 943
 944 static int getWindowLayer(WWindow * wwin)
 945 {
 946         int layer = WMNormalLevel;
 947
 948         if (wwin->type == net_wm_window_type_desktop) {
 949                 layer = WMDesktopLevel;
 950         } else if (wwin->type == net_wm_window_type_dock) {
 951                 layer = WMDockLevel;
 952         } else if (wwin->type == net_wm_window_type_toolbar) {
 953                 layer = WMMainMenuLevel;
 954         } else if (wwin->type == net_wm_window_type_menu) {
 955                 layer = WMSubmenuLevel;
 956         } else if (wwin->type == net_wm_window_type_utility) {
 957         } else if (wwin->type == net_wm_window_type_splash) {
 958         } else if (wwin->type == net_wm_window_type_dialog) {
 959                 if (wwin->transient_for) {
 960                         WWindow *parent = wWindowFor(wwin->transient_for);
 961                         if (parent && parent->flags.fullscreen) {
 962                                 layer = WMFullscreenLevel;
 963                         }
 964                 }
 965                 /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
 966         } else if (wwin->type == net_wm_window_type_normal) {
 967         }
 968
 969         if (wwin->client_flags.sunken && WMSunkenLevel < layer)
 970                 layer = WMSunkenLevel;
 971         if (wwin->client_flags.floating && WMFloatingLevel > layer)
 972                 layer = WMFloatingLevel;
 973
 974         return layer;
 975 }
 976
 977 static void doStateAtom(WWindow * wwin, Atom state, int set, Bool init)
 978 {
 979
 980         if (state == net_wm_state_sticky) {
 981                 if (set == _NET_WM_STATE_TOGGLE) {
 982                         set = !IS_OMNIPRESENT(wwin);
 983                 }
 984                 if (set != wwin->flags.omnipresent) {
 985                         wWindowSetOmnipresent(wwin, set);
 986                 }
 987         } else if (state == net_wm_state_shaded) {
 988                 if (set == _NET_WM_STATE_TOGGLE) {
 989                         set = !wwin->flags.shaded;
 990                 }
 991                 if (init) {
 992                         wwin->flags.shaded = set;
 993                 } else {
 994                         if (set) {
 995                                 wShadeWindow(wwin);
 996                         } else {
 997                                 wUnshadeWindow(wwin);
 998                         }
 999                 }
1000         } else if (state == net_wm_state_skip_taskbar) {
1001                 if (set == _NET_WM_STATE_TOGGLE) {
1002                         set = !wwin->client_flags.skip_window_list;
1003                 }
1004                 wwin->client_flags.skip_window_list = set;
1005         } else if (state == net_wm_state_skip_pager) {
1006                 if (set == _NET_WM_STATE_TOGGLE) {
1007                         set = !wwin->flags.net_skip_pager;
1008                 }
1009                 wwin->flags.net_skip_pager = set;
1010         } else if (state == net_wm_state_maximized_vert) {
1011                 if (set == _NET_WM_STATE_TOGGLE) {
1012                         set = !(wwin->flags.maximized & MAX_VERTICAL);
1013                 }
1014                 if (init) {
1015                         wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
1016                 } else {
1017                         if (set) {
1018                                 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
1019                         } else {
1020                                 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
1021                         }
1022                 }
1023         } else if (state == net_wm_state_maximized_horz) {
1024                 if (set == _NET_WM_STATE_TOGGLE) {
1025                         set = !(wwin->flags.maximized & MAX_HORIZONTAL);
1026                 }
1027                 if (init) {
1028                         wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
1029                 } else {
1030                         if (set) {
1031                                 wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
1032                         } else {
1033                                 wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
1034                         }
1035                 }
1036         } else if (state == net_wm_state_hidden) {
1037                 if (set == _NET_WM_STATE_TOGGLE) {
1038                         set = !(wwin->flags.miniaturized);
1039                 }
1040                 if (init) {
1041                         wwin->flags.miniaturized = set;
1042                 } else {
1043                         if (set) {
1044                                 wIconifyWindow(wwin);
1045                         } else {
1046                                 wDeiconifyWindow(wwin);
1047                         }
1048                 }
1049         } else if (state == net_wm_state_fullscreen) {
1050                 if (set == _NET_WM_STATE_TOGGLE) {
1051                         set = !(wwin->flags.fullscreen);
1052                 }
1053                 if (init) {
1054                         wwin->flags.fullscreen = set;
1055                 } else {
1056                         if (set) {
1057                                 wFullscreenWindow(wwin);
1058                         } else {
1059                                 wUnfullscreenWindow(wwin);
1060                         }
1061                 }
1062         } else if (state == net_wm_state_above) {
1063                 if (set == _NET_WM_STATE_TOGGLE) {
1064                         set = !(wwin->client_flags.floating);
1065                 }
1066                 if (init) {
1067                         wwin->client_flags.floating = set;
1068                 } else {
1069                         wwin->client_flags.floating = set;
1070                         ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1071                 }
1072
1073         } else if (state == net_wm_state_below) {
1074                 if (set == _NET_WM_STATE_TOGGLE) {
1075                         set = !(wwin->client_flags.sunken);
1076                 }
1077                 if (init) {
1078                         wwin->client_flags.sunken = set;
1079                 } else {
1080                         wwin->client_flags.sunken = set;
1081                         ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
1082                 }
1083
1084         } else {
1085 #ifdef DEBUG_WMSPEC
1086                 printf("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
1087 #endif
1088         }
1089 }
1090
1091 static void removeIcon(WWindow * wwin)
1092 {
1093         if (wwin->icon == NULL)
1094                 return;
1095         if (wwin->flags.miniaturized && wwin->icon->mapped) {
1096                 XUnmapWindow(dpy, wwin->icon->core->window);
1097                 RemoveFromStackList(wwin->icon->core);
1098                 wIconDestroy(wwin->icon);
1099                 wwin->icon = NULL;
1100         }
1101 }
1102
1103 static Bool handleWindowType(WWindow * wwin, Atom type, int *layer)
1104 {
1105         Bool ret = True;
1106
1107         if (type == net_wm_window_type_desktop) {
1108                 wwin->client_flags.no_titlebar = 1;
1109                 wwin->client_flags.no_resizable = 1;
1110                 wwin->client_flags.no_miniaturizable = 1;
1111                 wwin->client_flags.no_border = 1;
1112                 wwin->client_flags.no_resizebar = 1;
1113                 wwin->client_flags.no_shadeable = 1;
1114                 wwin->client_flags.no_movable = 1;
1115                 wwin->client_flags.omnipresent = 1;
1116                 wwin->client_flags.skip_window_list = 1;
1117                 wwin->client_flags.dont_move_off = 1;
1118                 wwin->client_flags.no_appicon = 1;
1119                 wwin->flags.net_skip_pager = 1;
1120                 wwin->frame_x = 0;
1121                 wwin->frame_y = 0;
1122 #ifdef VIRTUAL_DESKTOP
1123                 wwin->client_flags.virtual_stick = 1;
1124 #endif
1125         } else if (type == net_wm_window_type_dock) {
1126                 wwin->client_flags.no_titlebar = 1;
1127                 wwin->client_flags.no_resizable = 1;
1128                 wwin->client_flags.no_miniaturizable = 1;
1129                 wwin->client_flags.no_border = 1;       /* XXX: really not a single decoration. */
1130                 wwin->client_flags.no_resizebar = 1;
1131                 wwin->client_flags.no_shadeable = 1;
1132                 wwin->client_flags.no_movable = 1;
1133                 wwin->client_flags.omnipresent = 1;
1134                 wwin->client_flags.skip_window_list = 1;
1135                 wwin->client_flags.dont_move_off = 1;
1136                 wwin->flags.net_skip_pager = 1;
1137 #ifdef VIRTUAL_DESKTOP
1138                 wwin->client_flags.virtual_stick = 1;
1139 #endif
1140         } else if (type == net_wm_window_type_toolbar) {
1141                 wwin->client_flags.no_titlebar = 1;
1142                 wwin->client_flags.no_resizable = 1;
1143                 wwin->client_flags.no_miniaturizable = 1;
1144                 wwin->client_flags.no_resizebar = 1;
1145                 wwin->client_flags.no_shadeable = 1;
1146                 wwin->client_flags.skip_window_list = 1;
1147                 wwin->client_flags.dont_move_off = 1;
1148                 wwin->client_flags.no_appicon = 1;
1149         } else if (type == net_wm_window_type_menu) {
1150                 wwin->client_flags.no_titlebar = 1;
1151                 wwin->client_flags.no_resizable = 1;
1152                 wwin->client_flags.no_miniaturizable = 1;
1153                 wwin->client_flags.no_resizebar = 1;
1154                 wwin->client_flags.no_shadeable = 1;
1155                 wwin->client_flags.skip_window_list = 1;
1156                 wwin->client_flags.dont_move_off = 1;
1157                 wwin->client_flags.no_appicon = 1;
1158         } else if (type == net_wm_window_type_utility) {
1159                 wwin->client_flags.no_appicon = 1;
1160         } else if (type == net_wm_window_type_splash) {
1161                 wwin->client_flags.no_titlebar = 1;
1162                 wwin->client_flags.no_resizable = 1;
1163                 wwin->client_flags.no_miniaturizable = 1;
1164                 wwin->client_flags.no_resizebar = 1;
1165                 wwin->client_flags.no_shadeable = 1;
1166                 wwin->client_flags.no_movable = 1;
1167                 wwin->client_flags.skip_window_list = 1;
1168                 wwin->client_flags.dont_move_off = 1;
1169                 wwin->client_flags.no_appicon = 1;
1170                 wwin->flags.net_skip_pager = 1;
1171         } else if (type == net_wm_window_type_dialog) {
1172                 /* These also seem a bad idea in our context -Dan
1173                    // wwin->client_flags.skip_window_list = 1;
1174                    // wwin->client_flags.no_appicon = 1;
1175                  */
1176         } else if (type == net_wm_window_type_normal) {
1177         } else {
1178                 ret = False;
1179         }
1180
1181         wwin->type = type;
1182         *layer = getWindowLayer(wwin);
1183
1184         return ret;
1185 }
1186
1187 void wNETWMPositionSplash(WWindow * wwin, int *x, int *y, int width, int height)
1188 {
1189         if (wwin->type == net_wm_window_type_splash) {
1190                 WScreen *scr = wwin->screen_ptr;
1191                 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1192                 *x = rect.pos.x + (rect.size.width - width) / 2;
1193                 *y = rect.pos.y + (rect.size.height - height) / 2;
1194         }
1195 }
1196
1197 static void updateWindowType(WWindow * wwin)
1198 {
1199         Atom type_ret;
1200         int fmt_ret;
1201         unsigned long nitems_ret;
1202         unsigned long bytes_after_ret;
1203         long *data = 0;
1204         int layer;
1205         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
1206                                False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1207                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1208
1209                 int i;
1210                 Atom *type = (Atom *) data;
1211                 for (i = 0; i < nitems_ret; ++i) {
1212                         if (handleWindowType(wwin, type[i], &layer))
1213                                 break;
1214                 }
1215                 XFree(data);
1216         }
1217
1218         ChangeStackingLevel(wwin->frame->core, layer);
1219         wwin->frame->flags.need_texture_change = 1;
1220         wWindowConfigureBorders(wwin);
1221         wFrameWindowPaint(wwin->frame);
1222         wNETWMUpdateActions(wwin, False);
1223 }
1224
1225 Bool wNETWMCheckClientHints(WWindow * wwin, int *layer, int *workspace)
1226 {
1227         Atom type_ret;
1228         int fmt_ret;
1229         unsigned long nitems_ret;
1230         unsigned long bytes_after_ret;
1231         long *data = 0;
1232         Bool hasState = False;
1233         int i;
1234
1235         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
1236                                XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1237                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1238
1239                 long desktop = *data;
1240                 XFree(data);
1241
1242                 if (desktop == -1)
1243                         wwin->client_flags.omnipresent = 1;
1244                 else
1245                         *workspace = desktop;
1246
1247                 hasState = True;
1248         }
1249
1250         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
1251                                XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1252                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1253
1254                 Atom *state = (Atom *) data;
1255                 for (i = 0; i < nitems_ret; ++i) {
1256                         doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
1257                 }
1258                 XFree(data);
1259                 hasState = True;
1260         }
1261
1262         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
1263                                XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
1264                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1265
1266                 Atom *type = (Atom *) data;
1267                 for (i = 0; i < nitems_ret; ++i) {
1268                         if (handleWindowType(wwin, type[i], layer))
1269                                 break;
1270                 }
1271                 XFree(data);
1272                 hasState = True;
1273         }
1274
1275         wNETWMUpdateActions(wwin, False);
1276         updateStrut(wwin, False);
1277         if (updateStrut(wwin, True)) {
1278                 hasState = True;
1279         }
1280         wScreenUpdateUsableArea(wwin->screen_ptr);
1281
1282         return hasState;
1283 }
1284
1285 static Bool updateNetIconInfo(WWindow * wwin)
1286 {
1287
1288         Atom type_ret;
1289         int fmt_ret;
1290         unsigned long nitems_ret;
1291         unsigned long bytes_after_ret;
1292         long *data = 0;
1293         Bool hasState = False;
1294         Bool old_state = wwin->flags.net_handle_icon;
1295
1296         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
1297                                XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1298                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1299                 long handled = *data;
1300                 wwin->flags.net_handle_icon = (handled != 0);
1301                 XFree(data);
1302                 hasState = True;
1303
1304         } else
1305                 wwin->flags.net_handle_icon = False;
1306
1307         if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
1308                                XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1309                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1310
1311 #ifdef NETWM_PROPER
1312                 if (wwin->flags.net_handle_icon)
1313 #else
1314                 wwin->flags.net_handle_icon = True;
1315 #endif
1316                 {
1317                         wwin->icon_x = data[0];
1318                         wwin->icon_y = data[1];
1319                         wwin->icon_w = data[2];
1320                         wwin->icon_h = data[3];
1321                 }
1322
1323                 XFree(data);
1324                 hasState = True;
1325
1326         } else
1327                 wwin->flags.net_handle_icon = False;
1328
1329         if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
1330                 if (wwin->flags.net_handle_icon) {
1331                         removeIcon(wwin);
1332                 } else {
1333                         wwin->flags.miniaturized = False;
1334                         wwin->flags.skip_next_animation = True;
1335                         wIconifyWindow(wwin);
1336                 }
1337         }
1338
1339         return hasState;
1340 }
1341
1342 Bool wNETWMCheckInitialClientState(WWindow * wwin)
1343 {
1344         Bool hasState = False;
1345
1346 #ifdef DEBUG_WMSPEC
1347         printf("CheckInitialClientState\n");
1348 #endif
1349
1350         wNETWMShowingDesktop(wwin->screen_ptr, False);
1351
1352         hasState |= updateNetIconInfo(wwin);
1353
1354         updateIconImage(wwin->screen_ptr, wwin);
1355
1356         return hasState;
1357 }
1358
1359 static void handleDesktopNames(XClientMessageEvent * event, WScreen * scr)
1360 {
1361         unsigned long nitems_ret, bytes_after_ret;
1362         char *data, *names[32];
1363         int fmt_ret, i, n;
1364         Atom type_ret;
1365
1366         if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
1367                                utf8_string, &type_ret, &fmt_ret, &nitems_ret,
1368                                &bytes_after_ret, (unsigned char **)&data) != Success) {
1369                 return;
1370         }
1371
1372         if (data == 0)
1373                 return;
1374
1375         if (type_ret != utf8_string || fmt_ret != 8)
1376                 return;
1377
1378         n = 0;
1379         names[n] = data;
1380         for (i = 0; i < nitems_ret; i++) {
1381                 if (data[i] == 0) {
1382                         n++;
1383                         names[n] = &data[i];
1384                 } else if (*names[n] == 0) {
1385                         names[n] = &data[i];
1386                         wWorkspaceRename(scr, n, names[n]);
1387                 }
1388         }
1389 }
1390
1391 Bool wNETWMProcessClientMessage(XClientMessageEvent * event)
1392 {
1393         WScreen *scr;
1394         WWindow *wwin;
1395         Bool done = True;
1396
1397 #ifdef DEBUG_WMSPEC
1398         printf("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
1399 #endif
1400
1401         scr = wScreenForWindow(event->window);
1402         if (scr) {
1403                 /* generic client messages */
1404                 if (event->message_type == net_current_desktop) {
1405                         wWorkspaceChange(scr, event->data.l[0]);
1406                 } else if (event->message_type == net_number_of_desktops) {
1407                         long value;
1408
1409                         value = event->data.l[0];
1410                         if (value > scr->workspace_count) {
1411                                 wWorkspaceMake(scr, value - scr->workspace_count);
1412                         } else if (value < scr->workspace_count) {
1413                                 int i;
1414                                 Bool rebuild = False;
1415
1416                                 for (i = scr->workspace_count - 1; i >= value; i--) {
1417                                         if (!wWorkspaceDelete(scr, i)) {
1418                                                 rebuild = True;
1419                                                 break;
1420                                         }
1421                                 }
1422
1423                                 if (rebuild) {
1424                                         updateWorkspaceCount(scr);
1425                                 }
1426                         }
1427                 } else if (event->message_type == net_showing_desktop) {
1428                         wNETWMShowingDesktop(scr, event->data.l[0]);
1429 #ifdef VIRTUAL_DESKTOP
1430                 } else if (event->message_type == net_desktop_viewport) {
1431                         wWorkspaceSetViewport(scr, scr->current_workspace, event->data.l[0], event->data.l[1]);
1432 #endif
1433                 } else if (event->message_type == net_desktop_names) {
1434                         handleDesktopNames(event, scr);
1435                 } else {
1436                         done = False;
1437                 }
1438
1439                 if (done)
1440                         return True;
1441         }
1442
1443         /* window specific client messages */
1444
1445         wwin = wWindowFor(event->window);
1446         if (!wwin)
1447                 return False;
1448
1449         if (event->message_type == net_active_window) {
1450                 wNETWMShowingDesktop(scr, False);
1451                 wMakeWindowVisible(wwin);
1452         } else if (event->message_type == net_close_window) {
1453                 if (!WFLAGP(wwin, no_closable)) {
1454                         if (wwin->protocols.DELETE_WINDOW)
1455                                 wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
1456                 }
1457         } else if (event->message_type == net_wm_state) {
1458                 int maximized = wwin->flags.maximized;
1459                 long set = event->data.l[0];
1460
1461 #ifdef DEBUG_WMSPEC
1462                 printf("net_wm_state set %d a1 %s a2 %s\n", set,
1463                        XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
1464 #endif
1465
1466                 doStateAtom(wwin, (Atom) event->data.l[1], set, False);
1467                 if (event->data.l[2])
1468                         doStateAtom(wwin, (Atom) event->data.l[2], set, False);
1469
1470                 if (wwin->flags.maximized != maximized) {
1471                         if (!wwin->flags.maximized) {
1472                                 wwin->flags.maximized = maximized;
1473                                 wUnmaximizeWindow(wwin);
1474                         } else {
1475                                 wMaximizeWindow(wwin, wwin->flags.maximized);
1476                         }
1477                 }
1478                 updateStateHint(wwin, False, False);
1479         } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
1480                 updateNetIconInfo(wwin);
1481         } else if (event->message_type == net_wm_desktop) {
1482                 long desktop = event->data.l[0];
1483                 if (desktop == -1) {
1484                         wWindowSetOmnipresent(wwin, True);
1485                 } else {
1486                         if (IS_OMNIPRESENT(wwin))
1487                                 wWindowSetOmnipresent(wwin, False);
1488                         wWindowChangeWorkspace(wwin, desktop);
1489                 }
1490         } else if (event->message_type == net_wm_icon) {
1491                 updateIconImage(scr, wwin);
1492         } else {
1493                 done = False;
1494         }
1495
1496         return done;
1497 }
1498
1499 Bool wNETWMCheckClientHintChange(WWindow * wwin, XPropertyEvent * event)
1500 {
1501         Bool ret = True;
1502
1503         if (event->atom == net_wm_strut) {
1504                 updateStrut(wwin, False);
1505                 updateStrut(wwin, True);
1506                 wScreenUpdateUsableArea(wwin->screen_ptr);
1507         } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
1508                 updateNetIconInfo(wwin);
1509         } else if (event->atom == net_wm_window_type) {
1510                 updateWindowType(wwin);
1511         } else if (event->atom == net_wm_name) {
1512                 char *name = wNETWMGetWindowName(wwin->client_win);
1513                 wWindowUpdateName(wwin, name);
1514                 if (name)
1515                         wfree(name);
1516         } else if (event->atom == net_wm_icon_name) {
1517                 if (wwin->icon) {
1518                         char *name = wNETWMGetIconName(wwin->client_win);
1519                         wIconChangeTitle(wwin->icon, name);
1520                 }
1521         } else {
1522                 ret = False;
1523         }
1524
1525         return ret;
1526 }
1527
1528 int wNETWMGetPidForWindow(Window window)
1529 {
1530         Atom type_ret;
1531         int fmt_ret;
1532         unsigned long nitems_ret;
1533         unsigned long bytes_after_ret;
1534         long *data = 0;
1535         int pid;
1536
1537         if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
1538                                XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
1539                                &bytes_after_ret, (unsigned char **)&data) == Success && data) {
1540
1541                 pid = *data;
1542                 XFree(data);
1543         } else {
1544                 pid = 0;
1545         }
1546
1547         return pid;
1548 }
1549
1550 char *wNETWMGetWindowName(Window window)
1551 {
1552         char *name;
1553         char *ret;
1554         int size;
1555
1556         name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
1557         if (name) {
1558                 ret = wstrndup(name, size);
1559                 XFree(name);
1560         } else
1561                 ret = NULL;
1562         return ret;
1563 }
1564
1565 char *wNETWMGetIconName(Window window)
1566 {
1567         char *name;
1568         char *ret;
1569         int size;
1570
1571         name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
1572         if (name) {
1573                 ret = wstrndup(name, size);
1574                 XFree(name);
1575         } else
1576                 ret = NULL;
1577         return ret;
1578 }
1579
1580 static void observer(void *self, WMNotification * notif)
1581 {
1582         WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
1583         const char *name = WMGetNotificationName(notif);
1584         void *data = WMGetNotificationClientData(notif);
1585         NetData *ndata = (NetData *) self;
1586
1587         if (strcmp(name, WMNManaged) == 0 && wwin) {
1588                 updateClientList(wwin->screen_ptr);
1589                 updateClientListStacking(wwin->screen_ptr, NULL);
1590                 updateStateHint(wwin, True, False);
1591
1592                 updateStrut(wwin, False);
1593                 updateStrut(wwin, True);
1594                 wScreenUpdateUsableArea(wwin->screen_ptr);
1595         } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
1596                 updateClientList(wwin->screen_ptr);
1597                 updateClientListStacking(wwin->screen_ptr, wwin);
1598                 updateWorkspaceHint(wwin, False, True);
1599                 updateStateHint(wwin, False, True);
1600                 wNETWMUpdateActions(wwin, True);
1601
1602                 updateStrut(wwin, False);
1603                 wScreenUpdateUsableArea(wwin->screen_ptr);
1604         } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
1605                 updateClientListStacking(wwin->screen_ptr, NULL);
1606                 updateStateHint(wwin, False, False);
1607         } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
1608                 updateClientListStacking(wwin->screen_ptr, NULL);
1609                 updateStateHint(wwin, False, False);
1610         } else if (strcmp(name, WMNChangedFocus) == 0) {
1611                 updateFocusHint(ndata->scr, wwin);
1612         } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
1613                 updateWorkspaceHint(wwin, False, False);
1614                 updateStateHint(wwin, True, False);
1615         } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
1616                 updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
1617         }
1618 }
1619
1620 static void wsobserver(void *self, WMNotification * notif)
1621 {
1622         WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
1623         const char *name = WMGetNotificationName(notif);
1624
1625         if (strcmp(name, WMNWorkspaceCreated) == 0) {
1626                 updateWorkspaceCount(scr);
1627                 updateWorkspaceNames(scr);
1628         } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
1629                 updateWorkspaceCount(scr);
1630                 updateWorkspaceNames(scr);
1631         } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
1632                 updateCurrentWorkspace(scr);
1633         } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
1634                 updateWorkspaceNames(scr);
1635         }
1636 }
1637
1638 #endif                          /* NETWM_HINTS */