Change to the linux kernel coding style
[wmaker-crm.git] / src / wmspec.c
dissimilarity index 89%
index 84f81cc..4aa8650 100644 (file)
-/*  wmspec.c-- support for the wm-spec Hints
- *
- *  Window Maker window manager
- *
- *  Copyright (c) 1998-2003 Alfredo K. Kojima
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- *  USA.
- */
-
-/*
- * TODO
- * ----
- *
- * This file needs to be checked for all calls to XGetWindowProperty() and
- * proper checks need to be made on the returned values. Only checking for
- * return to be Success is not enough. -Dan
- */
-
-#include "wconfig.h"
-
-#ifdef NETWM_HINTS
-
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-#include <X11/Xarch.h>
-#include <string.h>
-
-#include "WindowMaker.h"
-#include "window.h"
-#include "screen.h"
-#include "workspace.h"
-#include "framewin.h"
-#include "actions.h"
-#include "client.h"
-#include "wmspec.h"
-#include "icon.h"
-#include "stacking.h"
-#include "xinerama.h"
-#include "properties.h"
-
-
-#ifdef DEBUG_WMSPEC
-#include <stdio.h>
-#endif
-
-/* Global variables */
-extern Atom _XA_WM_DELETE_WINDOW;
-extern Time LastTimestamp;
-extern WPreferences wPreferences;
-
-/* Root Window Properties */
-static Atom net_supported;
-static Atom net_client_list;
-static Atom net_client_list_stacking;
-static Atom net_number_of_desktops;
-static Atom net_desktop_geometry;
-static Atom net_desktop_viewport;
-static Atom net_current_desktop;
-static Atom net_desktop_names;
-static Atom net_active_window;
-static Atom net_workarea;                   /* XXX: not xinerama compatible */
-static Atom net_supporting_wm_check;
-static Atom net_virtual_roots;              /* N/A */
-static Atom net_desktop_layout;             /* XXX */
-static Atom net_showing_desktop;
-
-/* Other Root Window Messages */
-static Atom net_close_window;
-static Atom net_moveresize_window;          /* TODO */
-static Atom net_wm_moveresize;              /* TODO */
-
-/* Application Window Properties */
-static Atom net_wm_name;
-static Atom net_wm_visible_name;            /* TODO (unnecessary?) */
-static Atom net_wm_icon_name;
-static Atom net_wm_visible_icon_name;       /* TODO (unnecessary?) */
-static Atom net_wm_desktop;
-static Atom net_wm_window_type;
-static Atom net_wm_window_type_desktop;
-static Atom net_wm_window_type_dock;
-static Atom net_wm_window_type_toolbar;
-static Atom net_wm_window_type_menu;
-static Atom net_wm_window_type_utility;
-static Atom net_wm_window_type_splash;
-static Atom net_wm_window_type_dialog;
-static Atom net_wm_window_type_normal;
-static Atom net_wm_state;
-static Atom net_wm_state_modal;             /* XXX: what is this?!? */
-static Atom net_wm_state_sticky;
-static Atom net_wm_state_maximized_vert;
-static Atom net_wm_state_maximized_horz;
-static Atom net_wm_state_shaded;
-static Atom net_wm_state_skip_taskbar;
-static Atom net_wm_state_skip_pager;
-static Atom net_wm_state_hidden;
-static Atom net_wm_state_fullscreen;
-static Atom net_wm_state_above;
-static Atom net_wm_state_below;
-static Atom net_wm_allowed_actions;
-static Atom net_wm_action_move;
-static Atom net_wm_action_resize;
-static Atom net_wm_action_minimize;
-static Atom net_wm_action_shade;
-static Atom net_wm_action_stick;
-static Atom net_wm_action_maximize_horz;
-static Atom net_wm_action_maximize_vert;
-static Atom net_wm_action_fullscreen;
-static Atom net_wm_action_change_desktop;
-static Atom net_wm_action_close;
-static Atom net_wm_strut;                   /* XXX: see net_workarea */
-static Atom net_wm_strut_partial;           /* TODO: doesn't really fit into the current strut scheme */
-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. */
-static Atom net_wm_icon;
-static Atom net_wm_pid;                     /* TODO */
-static Atom net_wm_handled_icons;           /* FIXME: see net_wm_icon_geometry */
-
-/* Window Manager Protocols */
-static Atom net_wm_ping;                    /* TODO */
-
-static Atom utf8_string;
-
-typedef struct {
-    char * name;
-    Atom * atom;
-} atomitem_t;
-
-static atomitem_t atomNames[] = {
-    { "_NET_SUPPORTED", &net_supported },
-    { "_NET_CLIENT_LIST", &net_client_list },
-    { "_NET_CLIENT_LIST_STACKING", &net_client_list_stacking },
-    { "_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops },
-    { "_NET_DESKTOP_GEOMETRY", &net_desktop_geometry },
-    { "_NET_DESKTOP_VIEWPORT", &net_desktop_viewport },
-    { "_NET_CURRENT_DESKTOP", &net_current_desktop },
-    { "_NET_DESKTOP_NAMES", &net_desktop_names },
-    { "_NET_ACTIVE_WINDOW", &net_active_window },
-    { "_NET_WORKAREA", &net_workarea },
-    { "_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check },
-    { "_NET_VIRTUAL_ROOTS", &net_virtual_roots },
-    { "_NET_DESKTOP_LAYOUT", &net_desktop_layout },
-    { "_NET_SHOWING_DESKTOP", &net_showing_desktop },
-
-    { "_NET_CLOSE_WINDOW", &net_close_window },
-    { "_NET_MOVERESIZE_WINDOW", &net_moveresize_window },
-    { "_NET_WM_MOVERESIZE", &net_wm_moveresize },
-
-    { "_NET_WM_NAME", &net_wm_name },
-    { "_NET_WM_VISIBLE_NAME", &net_wm_visible_name },
-    { "_NET_WM_ICON_NAME", &net_wm_icon_name },
-    { "_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name },
-    { "_NET_WM_DESKTOP", &net_wm_desktop },
-    { "_NET_WM_WINDOW_TYPE", &net_wm_window_type },
-    { "_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop },
-    { "_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock },
-    { "_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar },
-    { "_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu },
-    { "_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility },
-    { "_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash },
-    { "_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog },
-    { "_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal },
-    { "_NET_WM_STATE", &net_wm_state },
-    { "_NET_WM_STATE_MODAL", &net_wm_state_modal },
-    { "_NET_WM_STATE_STICKY", &net_wm_state_sticky },
-    { "_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert },
-    { "_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz },
-    { "_NET_WM_STATE_SHADED", &net_wm_state_shaded },
-    { "_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar },
-    { "_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager },
-    { "_NET_WM_STATE_HIDDEN", &net_wm_state_hidden },
-    { "_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen },
-    { "_NET_WM_STATE_ABOVE", &net_wm_state_above },
-    { "_NET_WM_STATE_BELOW", &net_wm_state_below },
-    { "_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions },
-    { "_NET_WM_ACTION_MOVE", &net_wm_action_move },
-    { "_NET_WM_ACTION_RESIZE", &net_wm_action_resize },
-    { "_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize },
-    { "_NET_WM_ACTION_SHADE", &net_wm_action_shade },
-    { "_NET_WM_ACTION_STICK", &net_wm_action_stick },
-    { "_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz },
-    { "_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert },
-    { "_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen },
-    { "_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop },
-    { "_NET_WM_ACTION_CLOSE", &net_wm_action_close },
-    { "_NET_WM_STRUT", &net_wm_strut },
-    { "_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial },
-    { "_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry },
-    { "_NET_WM_ICON", &net_wm_icon },
-    { "_NET_WM_PID", &net_wm_pid },
-    { "_NET_WM_HANDLED_ICONS", &net_wm_handled_icons },
-
-    { "_NET_WM_PING", &net_wm_ping },
-
-    { "UTF8_STRING", &utf8_string },
-};
-
-#define atomNr (sizeof(atomNames)/sizeof(atomitem_t))
-
-#define _NET_WM_STATE_REMOVE 0
-#define _NET_WM_STATE_ADD 1
-#define _NET_WM_STATE_TOGGLE 2
-
-#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT      0
-#define _NET_WM_MOVERESIZE_SIZE_TOP          1
-#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT     2
-#define _NET_WM_MOVERESIZE_SIZE_RIGHT        3
-#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT  4
-#define _NET_WM_MOVERESIZE_SIZE_BOTTOM       5
-#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT   6
-#define _NET_WM_MOVERESIZE_SIZE_LEFT         7
-#define _NET_WM_MOVERESIZE_MOVE              8   /* movement only */
-#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD     9   /* size via keyboard */
-#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD    10   /* move via keyboard */
-
-static void observer(void *self, WMNotification *notif);
-static void wsobserver(void *self, WMNotification *notif);
-
-static void updateClientList(WScreen *scr);
-static void updateClientListStacking(WScreen *scr, WWindow *);
-
-static void updateWorkspaceNames(WScreen *scr);
-static void updateCurrentWorkspace(WScreen *scr);
-static void updateWorkspaceCount(WScreen *scr);
-
-typedef struct NetData {
-    WScreen *scr;
-    WReservedArea *strut;
-    WWindow **show_desktop;
-} NetData;
-
-
-static void
-setSupportedHints(WScreen *scr)
-{
-    Atom atom[atomNr];
-    int i = 0;
-
-    /* set supported hints list */
-    /* XXX: extend this !!! */
-
-    atom[i++] = net_client_list;
-    atom[i++] = net_client_list_stacking;
-    atom[i++] = net_number_of_desktops;
-    atom[i++] = net_desktop_geometry;
-    atom[i++] = net_desktop_viewport;
-    atom[i++] = net_current_desktop;
-    atom[i++] = net_desktop_names;
-    atom[i++] = net_active_window;
-    atom[i++] = net_workarea;
-    atom[i++] = net_supporting_wm_check;
-    atom[i++] = net_showing_desktop;
-#if 0
-    atom[i++] = net_wm_moveresize;
-#endif
-    atom[i++] = net_wm_desktop;
-    atom[i++] = net_wm_window_type;
-    atom[i++] = net_wm_window_type_desktop;
-    atom[i++] = net_wm_window_type_dock;
-    atom[i++] = net_wm_window_type_toolbar;
-    atom[i++] = net_wm_window_type_menu;
-    atom[i++] = net_wm_window_type_utility;
-    atom[i++] = net_wm_window_type_splash;
-    atom[i++] = net_wm_window_type_dialog;
-    atom[i++] = net_wm_window_type_normal;
-
-    atom[i++] = net_wm_state;
-    /*    atom[i++] = net_wm_state_modal; */ /* XXX: not sure where/when to use it. */
-    atom[i++] = net_wm_state_sticky;
-    atom[i++] = net_wm_state_shaded;
-    atom[i++] = net_wm_state_maximized_horz;
-    atom[i++] = net_wm_state_maximized_vert;
-    atom[i++] = net_wm_state_skip_taskbar;
-    atom[i++] = net_wm_state_skip_pager;
-    atom[i++] = net_wm_state_hidden;
-    atom[i++] = net_wm_state_fullscreen;
-    atom[i++] = net_wm_state_above;
-    atom[i++] = net_wm_state_below;
-
-    atom[i++] = net_wm_allowed_actions;
-    atom[i++] = net_wm_action_move;
-    atom[i++] = net_wm_action_resize;
-    atom[i++] = net_wm_action_minimize;
-    atom[i++] = net_wm_action_shade;
-    atom[i++] = net_wm_action_stick;
-    atom[i++] = net_wm_action_maximize_horz;
-    atom[i++] = net_wm_action_maximize_vert;
-    atom[i++] = net_wm_action_fullscreen;
-    atom[i++] = net_wm_action_change_desktop;
-    atom[i++] = net_wm_action_close;
-
-    atom[i++] = net_wm_strut;
-    atom[i++] = net_wm_icon_geometry;
-    atom[i++] = net_wm_icon;
-    atom[i++] = net_wm_handled_icons;
-
-    atom[i++] = net_wm_name;
-    atom[i++] = net_wm_icon_name;
-
-    XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32,
-                    PropModeReplace, (unsigned char*)atom, i);
-
-    /* set supporting wm hint */
-    XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
-                    PropModeReplace, (unsigned char*)&scr->info_window, 1);
-
-    XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
-                    32, PropModeReplace, (unsigned char*)&scr->info_window, 1);
-}
-
-
-void
-wNETWMUpdateDesktop(WScreen *scr)
-{
-    long *views, sizes[2];
-    int count, i;
-
-    if (scr->workspace_count==0)
-        return;
-
-    count = scr->workspace_count * 2;
-    views = wmalloc(sizeof(long) * count);
-    /*memset(views, 0, sizeof(long) * count);*/
-
-#ifdef VIRTUAL_DESKTOP
-    sizes[0] = scr->workspaces[scr->current_workspace]->width;
-    sizes[1] = scr->workspaces[scr->current_workspace]->height;
-#else
-    sizes[0] = scr->scr_width;
-    sizes[1] = scr->scr_height;
-#endif
-
-    for (i=0; i<scr->workspace_count; i++) {
-#ifdef VIRTUAL_DESKTOP
-        views[2*i + 0] = scr->workspaces[i]->view_x;
-        views[2*i + 1] = scr->workspaces[i]->view_y;
-#else
-        views[2*i + 0] = 0;
-        views[2*i + 1] = 0;
-#endif
-    }
-
-    XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
-                    PropModeReplace, (unsigned char*)sizes, 2);
-
-    XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
-                    PropModeReplace, (unsigned char*)views, count);
-
-    wfree(views);
-}
-
-
-int
-wNETWMGetCurrentDesktopFromHint(WScreen *scr)
-{
-    int count;
-    unsigned char *prop;
-
-    prop= PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL,
-                               0, 1, &count);
-    if (prop)
-    {
-        int desktop= *(long*)prop;
-        XFree(prop);
-        return desktop;
-    }
-    return -1;
-}
-
-
-/*
- * Find the best icon to be used by Window Maker for appicon/miniwindows.
- * Currently the algorithm is to take the image with the size closest
- * to icon_size x icon_size, but never bigger than that.
- *
- * This algorithm is very poorly implemented and needs to be redone (it can
- * easily select images with very large widths and very small heights over
- * square images, if the area of the former is closer to the desired one).
- *
- * The logic can also be changed to accept bigger images and scale them down.
- */
-static unsigned long*
-findBestIcon(unsigned long *data, unsigned long items)
-{
-    int size, wanted, d;
-    unsigned long i, distance;
-    unsigned long *icon;
-
-    /* better use only 75% of icon_size. For 64x64 this means 48x48
-     * This leaves room around the icon for the miniwindow title and
-     * results in better overall aesthetics -Dan */
-    wanted = wPreferences.icon_size * wPreferences.icon_size;
-
-    for (icon=NULL, distance=LONG_MAX, i=0L; i<items-1; ) {
-        size = data[i] * data[i+1];
-        if (size==0)
-            break;
-        d = wanted - size;
-        if (d>=0 && d<=distance && (i+size+2)<=items) {
-            distance = d;
-            icon = &data[i];
-        }
-        i += size+2;
-    }
-
-    return icon;
-}
-
-
-static RImage*
-makeRImageFromARGBData(unsigned long *data)
-{
-    int size, width, height, i;
-    RImage *image;
-    unsigned char *imgdata;
-    unsigned long pixel;
-
-    width  = data[0];
-    height = data[1];
-    size   = width * height;
-
-    if (size == 0)
-        return NULL;
-
-    image = RCreateImage(width, height, True);
-
-    for (imgdata=image->data, i=2; i<size+2; i++, imgdata+=4) {
-        pixel = data[i];
-#if BYTE_ORDER == BIG_ENDIAN
-        imgdata[2] = (pixel >> 24) & 0xff; /* A */
-        imgdata[1] = (pixel >> 16) & 0xff; /* R */
-        imgdata[0] = (pixel >>  8) & 0xff; /* G */
-        imgdata[3] = (pixel >>  0) & 0xff; /* B */
-#else /* Little endian */
-        imgdata[3] = (pixel >> 24) & 0xff; /* A */
-        imgdata[0] = (pixel >> 16) & 0xff; /* R */
-        imgdata[1] = (pixel >>  8) & 0xff; /* G */
-        imgdata[2] = (pixel >>  0) & 0xff; /* B */
-#endif /* endianness */
-
-    }
-
-    return image;
-}
-
-
-static void
-updateIconImage(WScreen *scr, WWindow *wwin)
-{
-    unsigned long  *property, *data;
-    unsigned long items, rest;
-    Atom type;
-    int format;
-    RImage *image;
-
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
-                           False, XA_CARDINAL, &type, &format, &items, &rest,
-                           (unsigned char**)&property)!=Success || !property) {
-        return;
-    }
-
-    if (type!=XA_CARDINAL || format!=32 || items<2) {
-        XFree(property);
-        return;
-    }
-
-    data = findBestIcon(property, items);
-    if (!data) {
-        XFree(property);
-        return;
-    }
-
-    image = makeRImageFromARGBData(data);
-
-    if (image) {
-        if (wwin->net_icon_image)
-            RReleaseImage(wwin->net_icon_image);
-        wwin->net_icon_image = image;
-    }
-
-    XFree(property);
-}
-
-
-static void
-updateShowDesktop(WScreen * scr, Bool show)
-{
-    long foo;
-
-    foo = (show == True);
-    XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
-                    PropModeReplace, (unsigned char *)&foo, 1);
-}
-
-
-void
-wNETWMShowingDesktop(WScreen *scr, Bool show)
-{
-    if (show && scr->netdata->show_desktop == NULL) {
-        WWindow *tmp, **wins;
-        int i=0;
-
-        wins = (WWindow **)wmalloc(sizeof(WWindow *)*(scr->window_count+1));
-
-        tmp = scr->focused_window;
-        while (tmp) {
-            if (!tmp->flags.hidden && !tmp->flags.miniaturized &&
-                !WFLAGP(tmp, skip_window_list)) {
-
-                wins[i++] = tmp;
-                tmp->flags.skip_next_animation = 1;
-                tmp->flags.net_show_desktop = 1;
-                wIconifyWindow(tmp);
-            }
-
-            tmp = tmp->prev;
-        }
-        wins[i++] = NULL;
-
-        scr->netdata->show_desktop = wins;
-        updateShowDesktop(scr, True);
-    } else if (scr->netdata->show_desktop != NULL) {
-        /* FIXME: get rid of workspace flashing ! */
-        int ws = scr->current_workspace;
-        WWindow **tmp;
-        for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
-            wDeiconifyWindow(*tmp);
-            (*tmp)->flags.net_show_desktop = 0;
-        }
-        if (ws != scr->current_workspace)
-            wWorkspaceChange(scr, ws);
-        wfree(scr->netdata->show_desktop);
-        scr->netdata->show_desktop = NULL;
-        updateShowDesktop(scr, False);
-    }
-}
-
-
-void
-wNETWMInitStuff(WScreen *scr)
-{
-    NetData *data;
-    int i;
-
-#ifdef DEBUG_WMSPEC
-    printf( "wNETWMInitStuff\n");
-#endif
-
-#ifdef HAVE_XINTERNATOMS
-    {
-        Atom atoms[atomNr];
-        char * names[atomNr];
-
-        for (i = 0; i < atomNr; ++i) {
-            names[i] = atomNames[i].name;
-        }
-        XInternAtoms(dpy, &names[0], atomNr, False, atoms);
-        for (i = 0; i < atomNr; ++i) {
-            *atomNames[i].atom = atoms[i];
-        }
-    }
-#else
-    for (i = 0; i < atomNr; i++) {
-        *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
-    }
-#endif
-
-    data = wmalloc(sizeof(NetData));
-    data->scr = scr;
-    data->strut = NULL;
-    data->show_desktop = NULL;
-
-    scr->netdata = data;
-
-    setSupportedHints(scr);
-
-    WMAddNotificationObserver(observer, data, WMNManaged, NULL);
-    WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
-    WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
-    WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
-    WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
-    WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
-    WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
-
-    WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
-    WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
-    WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
-    WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
-
-    updateClientList(scr);
-    updateClientListStacking(scr, NULL);
-    updateWorkspaceCount(scr);
-    updateWorkspaceNames(scr);
-    updateShowDesktop(scr, False);
-
-    wScreenUpdateUsableArea(scr);
-}
-
-
-void
-wNETWMCleanup(WScreen *scr)
-{
-    int i;
-
-    for (i= 0; i < atomNr; i++)
-      XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
-}
-
-
-void
-wNETWMUpdateActions(WWindow *wwin, Bool del)
-{
-    Atom action[10]; /* nr of actions atoms defined */
-    int i = 0;
-
-    if (del) {
-        XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
-        return;
-    }
-
-    if (IS_MOVABLE(wwin))
-        action[i++] = net_wm_action_move;
-
-    if (IS_RESIZABLE(wwin))
-        action[i++] = net_wm_action_resize;
-
-    if (!WFLAGP(wwin, no_miniaturizable))
-        action[i++] = net_wm_action_minimize;
-
-    if (!WFLAGP(wwin, no_shadeable))
-        action[i++] = net_wm_action_shade;
-
-    /*    if (!WFLAGP(wwin, no_stickable)) */
-    action[i++] = net_wm_action_stick;
-
-    /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
-    if (IS_RESIZABLE(wwin))
-        action[i++] = net_wm_action_maximize_horz;
-
-    /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
-    if (IS_RESIZABLE(wwin))
-        action[i++] = net_wm_action_maximize_vert;
-
-    /*    if (!WFLAGP(wwin, no_fullscreen)) */
-    action[i++] = net_wm_action_fullscreen;
-
-    /*    if (!WFLAGP(wwin, no_change_desktop)) */
-    action[i++] = net_wm_action_change_desktop;
-
-    if (!WFLAGP(wwin, no_closable))
-        action[i++] = net_wm_action_close;
-
-    XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
-                    XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
-}
-
-
-void
-wNETWMUpdateWorkarea(WScreen *scr, WArea usableArea)
-{
-    long *area;
-    int count, i;
-
-    /* XXX: not Xinerama compatible,
-     xinerama gets the largest available */
-
-    if(!scr->netdata || scr->workspace_count==0)
-        return;
-
-    count = scr->workspace_count * 4;
-    area = wmalloc(sizeof(long) * count);
-    for (i=0; i<scr->workspace_count; i++) {
-        area[4*i + 0] = usableArea.x1;
-        area[4*i + 1] = usableArea.y1;
-        area[4*i + 2] = usableArea.x2 - usableArea.x1;
-        area[4*i + 3] = usableArea.y2 - usableArea.y1;
-    }
-
-    XChangeProperty(dpy, scr->root_win, net_workarea, XA_CARDINAL, 32,
-                    PropModeReplace, (unsigned char*)area, count);
-
-    wfree(area);
-}
-
-
-Bool
-wNETWMGetUsableArea(WScreen *scr, int head, WArea *area)
-{
-    WReservedArea *cur;
-    WMRect rect;
-
-    if(!scr->netdata || !scr->netdata->strut)
-        return False;
-
-    area->x1 = area->y1 = area->x2 = area->y2 = 0;
-
-    for(cur = scr->netdata->strut ; cur ; cur = cur->next) {
-        WWindow * wwin = wWindowFor(cur->window);
-        if (wWindowTouchesHead(wwin, head)) {
-            if(cur->area.x1 > area->x1)
-                area->x1 = cur->area.x1;
-            if(cur->area.y1 > area->y1)
-                area->y1 = cur->area.y1;
-            if(cur->area.x2 > area->x2)
-                area->x2 = cur->area.x2;
-            if(cur->area.y2 > area->y2)
-                area->y2 = cur->area.y2;
-        }
-    }
-
-    if (area->x1==0 && area->x2==0 &&
-        area->y1==0 && area->y2==0) return False;
-
-    rect = wGetRectForHead(scr, head);
-
-    area->x1 = rect.pos.x + area->x1;
-    area->x2 = rect.pos.x + rect.size.width - area->x2;
-    area->y1 = rect.pos.y + area->y1;
-    area->y2 = rect.pos.y + rect.size.height - area->y2;
-
-    return True;
-}
-
-
-static void
-updateClientList(WScreen *scr)
-{
-    WWindow *wwin;
-    Window *windows;
-    int count;
-
-    windows = (Window *)wmalloc(sizeof(Window)*(scr->window_count+1));
-
-    count = 0;
-    wwin = scr->focused_window;
-    while (wwin) {
-        windows[count++] = wwin->client_win;
-        wwin = wwin->prev;
-    }
-    XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
-                    PropModeReplace, (unsigned char*)windows, count);
-
-    wfree(windows);
-    XFlush(dpy);
-}
-
-
-static void
-updateClientListStacking(WScreen *scr, WWindow *wwin_excl)
-{
-    WWindow *wwin;
-    Window *client_list;
-    Window *client_list_reverse;
-    int client_count;
-    WCoreWindow *tmp;
-    WMBagIterator iter;
-    int i;
-
-    /* update client list */
-    i = scr->window_count + 1;
-    client_list = (Window*)wmalloc(sizeof(Window) * i);
-    client_list_reverse = (Window*)wmalloc(sizeof(Window) * i);
-
-    client_count = 0;
-    WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
-        while (tmp) {
-            wwin = wWindowFor(tmp->window);
-            /* wwin_excl is a window to exclude from the list
-             (e.g. it's now unmanaged) */
-            if(wwin && (wwin != wwin_excl))
-                client_list[client_count++] = wwin->client_win;
-            tmp = tmp->stacking->under;
-        }
-    }
-
-    for(i = 0; i < client_count; i++) {
-        Window w = client_list[client_count - i - 1];
-        client_list_reverse[i] = w;
-    }
-
-    XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
-                    PropModeReplace, (unsigned char *)client_list_reverse, client_count);
-
-    wfree(client_list);
-    wfree(client_list_reverse);
-
-    XFlush(dpy);
-}
-
-
-static void
-updateWorkspaceCount(WScreen *scr) /* changeable */
-{
-    long count;
-
-    count = scr->workspace_count;
-
-    XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
-                    32, PropModeReplace, (unsigned char*)&count, 1);
-}
-
-
-static void
-updateCurrentWorkspace(WScreen *scr) /* changeable */
-{
-    long count;
-
-    count = scr->current_workspace;
-
-    XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
-                    PropModeReplace, (unsigned char*)&count, 1);
-}
-
-
-static void
-updateWorkspaceNames(WScreen *scr)
-{
-    char buf[MAX_WORKSPACES*(MAX_WORKSPACENAME_WIDTH+1)], *pos;
-    unsigned int i, len, curr_size;
-
-    pos = buf;
-    len = 0;
-    for(i = 0; i < scr->workspace_count; i++) {
-        curr_size = strlen(scr->workspaces[i]->name);
-        strcpy(pos, scr->workspaces[i]->name);
-        pos += (curr_size+1);
-        len += (curr_size+1);
-    }
-
-    XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
-                    PropModeReplace, (unsigned char *)buf, len);
-}
-
-
-static void
-updateFocusHint(WScreen *scr, WWindow *wwin) /* changeable */
-{
-    Window window;
-
-    if (!scr->focused_window || !scr->focused_window->flags.focused)
-        window = None;
-    else
-        window = scr->focused_window->client_win;
-
-    XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
-                    PropModeReplace, (unsigned char*)&window, 1);
-}
-
-
-static void
-updateWorkspaceHint(WWindow *wwin, Bool fake, Bool del)
-{
-    long l;
-
-    if (del) {
-        XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
-    } else {
-        l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
-        XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
-                        32, PropModeReplace, (unsigned char*)&l, 1);
-    }
-}
-
-
-static void
-updateStateHint(WWindow *wwin, Bool changedWorkspace, Bool del) /* changeable */
-{
-    if (del) {
-        if (!wwin->flags.net_state_from_client) {
-            XDeleteProperty(dpy, wwin->client_win, net_wm_state);
-        }
-    } else {
-        Atom state[15]; /* nr of defined state atoms */
-        int i = 0;
-
-        if(changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
-            updateWorkspaceHint(wwin, False, False);
-
-        if (IS_OMNIPRESENT(wwin))
-            state[i++] = net_wm_state_sticky;
-        if (wwin->flags.shaded)
-            state[i++] = net_wm_state_shaded;
-        if (wwin->flags.maximized & MAX_HORIZONTAL)
-            state[i++] = net_wm_state_maximized_horz;
-        if (wwin->flags.maximized & MAX_VERTICAL)
-            state[i++] = net_wm_state_maximized_vert;
-        if (WFLAGP(wwin, skip_window_list))
-            state[i++] = net_wm_state_skip_taskbar;
-        if (wwin->flags.net_skip_pager)
-            state[i++] = net_wm_state_skip_pager;
-        if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop){
-            state[i++] = net_wm_state_hidden;
-            state[i++] = net_wm_state_skip_pager;
-
-            if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
-                if (!IS_OMNIPRESENT(wwin))
-                    updateWorkspaceHint(wwin, True, False);
-                state[i++] = net_wm_state_sticky;
-            }
-        }
-        if (WFLAGP(wwin, sunken))
-            state[i++] = net_wm_state_below;
-        if (WFLAGP(wwin, floating))
-            state[i++] = net_wm_state_above;
-        if (wwin->flags.fullscreen)
-            state[i++] = net_wm_state_fullscreen;
-
-        XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
-                        PropModeReplace, (unsigned char *)state, i);
-    }
-}
-
-
-static Bool
-updateStrut(WWindow *wwin, Bool adding)
-{
-    WScreen *scr;
-    WReservedArea *area;
-    Bool hasState = False;
-
-    scr = wwin->screen_ptr;
-
-    if (adding) {
-        Atom type_ret;
-        int fmt_ret;
-        unsigned long nitems_ret;
-        unsigned long bytes_after_ret;
-        long *data = 0;
-
-        if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
-                               XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
-                               &bytes_after_ret,
-                               (unsigned char**)&data)==Success && data) {
-
-            area = (WReservedArea *)wmalloc(sizeof(WReservedArea));
-            area->area.x1 = data[0];
-            area->area.x2 = data[1];
-            area->area.y1 = data[2];
-            area->area.y2 = data[3];
-
-            area->window = wwin->client_win;
-
-            area->next = scr->netdata->strut;
-            scr->netdata->strut = area;
-
-            XFree(data);
-            hasState = True;
-#ifdef VIRTUAL_DESKTOP
-            /* just in case wm_window_type didn't set it already */
-            wwin->client_flags.virtual_stick = 1;
-#endif
-        }
-
-    } else {
-        /* deleting */
-        area = scr->netdata->strut;
-
-        if(area) {
-            if(area->window == wwin->client_win) {
-                scr->netdata->strut = area->next;
-                wfree(area);
-                hasState = True;
-            } else {
-                while(area->next && area->next->window != wwin->client_win)
-                    area = area->next;
-
-                if(area->next) {
-                    WReservedArea *next;
-
-                    next = area->next->next;
-                    wfree(area->next);
-                    area->next = next;
-
-                    hasState = True;
-                }
-            }
-        }
-    }
-
-    return hasState;
-}
-
-
-static int
-getWindowLayer(WWindow * wwin)
-{
-    int layer = WMNormalLevel;
-
-    if (wwin->type == net_wm_window_type_desktop) {
-        layer = WMDesktopLevel;
-    } else if (wwin->type == net_wm_window_type_dock) {
-        layer = WMDockLevel;
-    } else if (wwin->type == net_wm_window_type_toolbar) {
-        layer = WMMainMenuLevel;
-    } else if (wwin->type == net_wm_window_type_menu) {
-        layer = WMSubmenuLevel;
-    } else if (wwin->type == net_wm_window_type_utility) {
-    } else if (wwin->type == net_wm_window_type_splash) {
-    } else if (wwin->type == net_wm_window_type_dialog) {
-        if (wwin->transient_for) {
-            WWindow *parent = wWindowFor(wwin->transient_for);
-            if (parent && parent->flags.fullscreen) {
-                layer = WMFullscreenLevel;
-            }
-        }
-        /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
-    } else if (wwin->type == net_wm_window_type_normal) {
-    }
-
-    if (wwin->client_flags.sunken && WMSunkenLevel < layer)
-        layer = WMSunkenLevel;
-    if (wwin->client_flags.floating && WMFloatingLevel > layer)
-        layer = WMFloatingLevel;
-
-    return layer;
-}
-
-
-static void
-doStateAtom(WWindow *wwin, Atom state, int set, Bool init)
-{
-
-    if (state == net_wm_state_sticky) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !IS_OMNIPRESENT(wwin);
-        }
-        if (set != wwin->flags.omnipresent) {
-            wWindowSetOmnipresent(wwin, set);
-        }
-    } else if (state == net_wm_state_shaded) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !wwin->flags.shaded;
-        }
-        if (init) {
-            wwin->flags.shaded = set;
-        } else {
-            if (set) {
-                wShadeWindow(wwin);
-            } else {
-                wUnshadeWindow(wwin);
-            }
-        }
-    } else if (state == net_wm_state_skip_taskbar) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !wwin->client_flags.skip_window_list;
-        }
-        wwin->client_flags.skip_window_list = set;
-    } else if (state == net_wm_state_skip_pager) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !wwin->flags.net_skip_pager;
-        }
-        wwin->flags.net_skip_pager = set;
-    } else if (state == net_wm_state_maximized_vert) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->flags.maximized & MAX_VERTICAL);
-        }
-        if (init) {
-            wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
-        } else {
-            if (set) {
-                wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
-            } else {
-                wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
-            }
-        }
-    } else if (state == net_wm_state_maximized_horz) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->flags.maximized & MAX_HORIZONTAL);
-        }
-        if (init) {
-            wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
-        } else {
-            if (set) {
-                wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
-            } else {
-                wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
-            }
-        }
-    } else if (state == net_wm_state_hidden) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->flags.miniaturized);
-        }
-        if (init) {
-            wwin->flags.miniaturized = set;
-        } else {
-            if (set) {
-                wIconifyWindow(wwin);
-            } else {
-                wDeiconifyWindow(wwin);
-            }
-        }
-    } else if (state == net_wm_state_fullscreen) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->flags.fullscreen);
-        }
-        if (init) {
-            wwin->flags.fullscreen = set;
-        } else {
-            if (set) {
-                wFullscreenWindow(wwin);
-            } else {
-                wUnfullscreenWindow(wwin);
-            }
-        }
-    } else if (state == net_wm_state_above) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->client_flags.floating);
-        }
-        if (init) {
-            wwin->client_flags.floating = set;
-        } else {
-            wwin->client_flags.floating = set;
-            ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
-        }
-
-    } else if (state == net_wm_state_below) {
-        if (set == _NET_WM_STATE_TOGGLE) {
-            set = !(wwin->client_flags.sunken);
-        }
-        if (init) {
-            wwin->client_flags.sunken = set;
-        } else {
-            wwin->client_flags.sunken = set;
-            ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
-        }
-
-    } else {
-#ifdef DEBUG_WMSPEC
-        printf("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
-#endif
-    }
-}
-
-
-static void
-removeIcon( WWindow * wwin)
-{
-    if (wwin->icon == NULL)
-        return;
-    if (wwin->flags.miniaturized && wwin->icon->mapped) {
-        XUnmapWindow(dpy, wwin->icon->core->window);
-        RemoveFromStackList(wwin->icon->core);
-        wIconDestroy(wwin->icon);
-        wwin->icon = NULL;
-    }
-}
-
-
-static Bool
-handleWindowType(WWindow * wwin, Atom type, int *layer)
-{
-    Bool ret = True;
-
-    if (type == net_wm_window_type_desktop) {
-        wwin->client_flags.no_titlebar = 1;
-        wwin->client_flags.no_resizable = 1;
-        wwin->client_flags.no_miniaturizable = 1;
-        wwin->client_flags.no_border = 1;
-        wwin->client_flags.no_resizebar = 1;
-        wwin->client_flags.no_shadeable = 1;
-        wwin->client_flags.no_movable = 1;
-        wwin->client_flags.omnipresent = 1;
-        wwin->client_flags.skip_window_list = 1;
-        wwin->client_flags.dont_move_off = 1;
-        wwin->client_flags.no_appicon = 1;
-        wwin->flags.net_skip_pager = 1;
-        wwin->frame_x = 0;
-        wwin->frame_y = 0;
-#ifdef VIRTUAL_DESKTOP
-        wwin->client_flags.virtual_stick = 1;
-#endif
-    } else if (type == net_wm_window_type_dock) {
-        wwin->client_flags.no_titlebar = 1;
-        wwin->client_flags.no_resizable = 1;
-        wwin->client_flags.no_miniaturizable = 1;
-        wwin->client_flags.no_border = 1; /* XXX: really not a single decoration. */
-        wwin->client_flags.no_resizebar = 1;
-        wwin->client_flags.no_shadeable = 1;
-        wwin->client_flags.no_movable = 1;
-        wwin->client_flags.omnipresent = 1;
-        wwin->client_flags.skip_window_list = 1;
-        wwin->client_flags.dont_move_off = 1;
-        wwin->flags.net_skip_pager = 1;
-#ifdef VIRTUAL_DESKTOP
-        wwin->client_flags.virtual_stick = 1;
-#endif
-    } else if (type == net_wm_window_type_toolbar) {
-        wwin->client_flags.no_titlebar = 1;
-        wwin->client_flags.no_resizable = 1;
-        wwin->client_flags.no_miniaturizable = 1;
-        wwin->client_flags.no_resizebar = 1;
-        wwin->client_flags.no_shadeable = 1;
-        wwin->client_flags.skip_window_list = 1;
-        wwin->client_flags.dont_move_off = 1;
-        wwin->client_flags.no_appicon = 1;
-    } else if (type == net_wm_window_type_menu) {
-        wwin->client_flags.no_titlebar = 1;
-        wwin->client_flags.no_resizable = 1;
-        wwin->client_flags.no_miniaturizable = 1;
-        wwin->client_flags.no_resizebar = 1;
-        wwin->client_flags.no_shadeable = 1;
-        wwin->client_flags.skip_window_list = 1;
-        wwin->client_flags.dont_move_off = 1;
-        wwin->client_flags.no_appicon = 1;
-    } else if (type == net_wm_window_type_utility) {
-        wwin->client_flags.no_appicon = 1;
-    } else if (type == net_wm_window_type_splash) {
-        wwin->client_flags.no_titlebar = 1;
-        wwin->client_flags.no_resizable = 1;
-        wwin->client_flags.no_miniaturizable = 1;
-        wwin->client_flags.no_resizebar = 1;
-        wwin->client_flags.no_shadeable = 1;
-        wwin->client_flags.no_movable = 1;
-        wwin->client_flags.skip_window_list = 1;
-        wwin->client_flags.dont_move_off = 1;
-        wwin->client_flags.no_appicon = 1;
-        wwin->flags.net_skip_pager = 1;
-    } else if (type == net_wm_window_type_dialog) {
-        /* These also seem a bad idea in our context -Dan
-        // wwin->client_flags.skip_window_list = 1;
-        // wwin->client_flags.no_appicon = 1;
-        */
-    } else if (type == net_wm_window_type_normal) {
-    } else {
-        ret = False;
-    }
-
-    wwin->type = type;
-    *layer = getWindowLayer(wwin);
-
-    return ret;
-}
-
-
-void
-wNETWMPositionSplash(WWindow *wwin, int *x, int *y, int width, int height)
-{
-    if (wwin->type == net_wm_window_type_splash) {
-        WScreen * scr = wwin->screen_ptr;
-        WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
-        *x = rect.pos.x + (rect.size.width - width)/2;
-        *y = rect.pos.y + (rect.size.height - height)/2;
-    }
-}
-
-
-static void
-updateWindowType(WWindow * wwin)
-{
-    Atom type_ret;
-    int fmt_ret;
-    unsigned long nitems_ret;
-    unsigned long bytes_after_ret;
-    long *data = 0;
-    int layer;
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
-                           False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret, (unsigned char **)&data)==Success
-        && data) {
-
-        int i;
-        Atom * type = (Atom *)data;
-        for (i=0; i<nitems_ret; ++i) {
-            if (handleWindowType(wwin, type[i], &layer)) break;
-        }
-        XFree(data);
-    }
-
-    ChangeStackingLevel(wwin->frame->core, layer);
-    wwin->frame->flags.need_texture_change = 1;
-    wWindowConfigureBorders(wwin);
-    wFrameWindowPaint(wwin->frame);
-    wNETWMUpdateActions(wwin, False);
-}
-
-
-Bool
-wNETWMCheckClientHints(WWindow *wwin, int *layer, int *workspace)
-{
-    Atom type_ret;
-    int fmt_ret;
-    unsigned long nitems_ret;
-    unsigned long bytes_after_ret;
-    long *data = 0;
-    Bool hasState = False;
-    int i;
-
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
-                           XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret,
-                           (unsigned char**)&data)==Success && data) {
-
-        long desktop = *data;
-        XFree(data);
-
-        if(desktop == -1)
-            wwin->client_flags.omnipresent = 1;
-        else
-            *workspace = desktop;
-
-        hasState = True;
-    }
-
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
-                           XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret,
-                           (unsigned char**)&data)==Success && data) {
-
-        Atom * state = (Atom *)data;
-        for(i=0; i<nitems_ret; ++i) {
-            doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
-        }
-        XFree(data);
-        hasState = True;
-    }
-
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
-                           XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret,
-                           (unsigned char **)&data) == Success && data) {
-
-        Atom * type = (Atom *)data;
-        for (i=0; i<nitems_ret; ++i) {
-            if (handleWindowType(wwin, type[i], layer)) break;
-        }
-        XFree(data);
-        hasState = True;
-    }
-
-    wNETWMUpdateActions(wwin, False);
-    updateStrut(wwin, False);
-    if (updateStrut(wwin, True)) {
-        hasState = True;
-    }
-    wScreenUpdateUsableArea(wwin->screen_ptr);
-
-    return hasState;
-}
-
-
-static Bool
-updateNetIconInfo(WWindow *wwin) {
-
-    Atom type_ret;
-    int fmt_ret;
-    unsigned long nitems_ret;
-    unsigned long bytes_after_ret;
-    long *data = 0;
-    Bool hasState = False;
-    Bool old_state = wwin->flags.net_handle_icon;
-
-    if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
-                           XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret, (unsigned char **)&data) == Success && data) {
-        long handled = *data;
-        wwin->flags.net_handle_icon = (handled != 0);
-        XFree(data);
-        hasState = True;
-
-    } else wwin->flags.net_handle_icon = False;
-
-    if ( XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
-                            XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
-                            &bytes_after_ret, (unsigned char **)&data) == Success && data) {
-
-#ifdef NETWM_PROPER
-        if (wwin->flags.net_handle_icon)
-#else
-            wwin->flags.net_handle_icon = True;
-#endif
-        {
-            wwin->icon_x = data[0];
-            wwin->icon_y = data[1];
-            wwin->icon_w = data[2];
-            wwin->icon_h = data[3];
-        }
-
-        XFree(data);
-        hasState = True;
-
-    } else wwin->flags.net_handle_icon = False;
-
-    if (wwin->flags.miniaturized &&
-        old_state != wwin->flags.net_handle_icon) {
-        if (wwin->flags.net_handle_icon) {
-            removeIcon(wwin);
-        } else {
-            wwin->flags.miniaturized = False;
-            wwin->flags.skip_next_animation = True;
-            wIconifyWindow(wwin);
-        }
-    }
-
-    return hasState;
-}
-
-
-Bool
-wNETWMCheckInitialClientState(WWindow *wwin)
-{
-    Bool hasState = False;
-
-#ifdef DEBUG_WMSPEC
-    printf("CheckInitialClientState\n");
-#endif
-
-    wNETWMShowingDesktop(wwin->screen_ptr, False);
-
-    hasState |= updateNetIconInfo(wwin);
-
-    updateIconImage(wwin->screen_ptr, wwin);
-
-    return hasState;
-}
-
-
-static void
-handleDesktopNames(XClientMessageEvent *event, WScreen *scr)
-{
-    unsigned long nitems_ret, bytes_after_ret;
-    char *data, *names[32];
-    int fmt_ret, i, n;
-    Atom type_ret;
-
-    if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
-                           utf8_string, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret,
-                           (unsigned char**)&data)!=Success) {
-        return;
-    }
-
-    if (data == 0)
-        return;
-
-    if (type_ret != utf8_string || fmt_ret != 8)
-        return;
-
-    n = 0;
-    names[n] = data;
-    for (i = 0; i < nitems_ret; i++) {
-        if (data[i] == 0) {
-            n++;
-            names[n] = &data[i];
-        } else if (*names[n] == 0) {
-            names[n] = &data[i];
-            wWorkspaceRename(scr, n, names[n]);
-        }
-    }
-}
-
-
-Bool
-wNETWMProcessClientMessage(XClientMessageEvent *event)
-{
-    WScreen *scr;
-    WWindow *wwin;
-    Bool done = True;
-
-#ifdef DEBUG_WMSPEC
-    printf("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
-#endif
-
-    scr = wScreenForWindow(event->window);
-    if (scr) {
-        /* generic client messages */
-        if (event->message_type == net_current_desktop) {
-            wWorkspaceChange(scr, event->data.l[0]);
-        } else if(event->message_type == net_number_of_desktops) {
-            long value;
-
-            value = event->data.l[0];
-            if(value > scr->workspace_count) {
-                wWorkspaceMake(scr, value - scr->workspace_count);
-            } else if(value < scr->workspace_count) {
-                int i;
-                Bool rebuild = False;
-
-                for (i = scr->workspace_count-1; i >= value; i--) {
-                    if (!wWorkspaceDelete(scr, i)) {
-                        rebuild = True;
-                        break;
-                    }
-                }
-
-                if(rebuild) {
-                    updateWorkspaceCount(scr);
-                }
-            }
-        } else if (event->message_type == net_showing_desktop) {
-            wNETWMShowingDesktop(scr, event->data.l[0]);
-#ifdef VIRTUAL_DESKTOP
-        } else if (event->message_type == net_desktop_viewport) {
-            wWorkspaceSetViewport(scr, scr->current_workspace,
-                                  event->data.l[0], event->data.l[1]);
-#endif
-        } else if (event->message_type == net_desktop_names) {
-            handleDesktopNames(event, scr);
-        } else {
-            done = False;
-        }
-
-        if (done)
-            return True;
-    }
-
-    /* window specific client messages */
-
-    wwin = wWindowFor(event->window);
-    if (!wwin)
-        return False;
-
-    if (event->message_type == net_active_window) {
-        wNETWMShowingDesktop(scr, False);
-        wMakeWindowVisible(wwin);
-    } else if (event->message_type == net_close_window) {
-        if (!WFLAGP(wwin, no_closable)) {
-            if (wwin->protocols.DELETE_WINDOW)
-                wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
-        }
-    } else if (event->message_type == net_wm_state) {
-        int maximized = wwin->flags.maximized;
-        long set = event->data.l[0];
-
-#ifdef DEBUG_WMSPEC
-        printf("net_wm_state set %d a1 %s a2 %s\n", set,
-               XGetAtomName(dpy, event->data.l[1]),
-               XGetAtomName(dpy, event->data.l[2]));
-#endif
-
-        doStateAtom(wwin, (Atom)event->data.l[1], set, False);
-        if(event->data.l[2])
-            doStateAtom(wwin, (Atom)event->data.l[2], set, False);
-
-        if(wwin->flags.maximized != maximized) {
-            if(!wwin->flags.maximized) {
-                wwin->flags.maximized = maximized;
-                wUnmaximizeWindow(wwin);
-            } else {
-                wMaximizeWindow(wwin, wwin->flags.maximized);
-            }
-        }
-        updateStateHint(wwin, False, False);
-    } else if (event->message_type == net_wm_handled_icons ||
-               event->message_type == net_wm_icon_geometry) {
-        updateNetIconInfo(wwin);
-    } else if (event->message_type == net_wm_desktop) {
-        long desktop = event->data.l[0];
-        if (desktop == -1) {
-            wWindowSetOmnipresent(wwin, True);
-        } else {
-            if (IS_OMNIPRESENT(wwin))
-                wWindowSetOmnipresent(wwin, False);
-            wWindowChangeWorkspace(wwin, desktop);
-        }
-    } else if (event->message_type == net_wm_icon) {
-        updateIconImage(scr, wwin);
-    } else {
-        done = False;
-    }
-
-    return done;
-}
-
-
-Bool
-wNETWMCheckClientHintChange(WWindow *wwin, XPropertyEvent *event)
-{
-    Bool ret = True;
-
-    if(event->atom == net_wm_strut) {
-        updateStrut(wwin, False);
-        updateStrut(wwin, True);
-        wScreenUpdateUsableArea(wwin->screen_ptr);
-    } else if (event->atom == net_wm_handled_icons ||
-               event->atom == net_wm_icon_geometry) {
-        updateNetIconInfo(wwin);
-    } else if (event->atom == net_wm_window_type) {
-        updateWindowType(wwin);
-    } else if (event->atom == net_wm_name) {
-        char *name= wNETWMGetWindowName(wwin->client_win);
-        wWindowUpdateName(wwin, name);
-        if (name) wfree(name);
-    } else if (event->atom == net_wm_icon_name) {
-        if (wwin->icon) {
-            char *name= wNETWMGetIconName(wwin->client_win);
-            wIconChangeTitle(wwin->icon, name);
-        }
-    } else {
-        ret = False;
-    }
-
-    return ret;
-}
-
-
-int
-wNETWMGetPidForWindow(Window window)
-{
-    Atom type_ret;
-    int fmt_ret;
-    unsigned long nitems_ret;
-    unsigned long bytes_after_ret;
-    long *data = 0;
-    int pid;
-
-    if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
-                           XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
-                           &bytes_after_ret,
-                           (unsigned char**)&data)==Success && data) {
-
-        pid = *data;
-        XFree(data);
-    } else {
-        pid = 0;
-    }
-
-    return pid;
-}
-
-
-char*
-wNETWMGetWindowName(Window window)
-{
-    char *name;
-    char *ret;
-    int size;
-
-    name= (char*)PropGetCheckProperty(window,
-                                      net_wm_name, utf8_string, 0,
-                                      0, &size);
-    if (name) {
-        ret= wstrndup(name, size);
-        XFree(name);
-    }
-    else
-        ret= NULL;
-    return ret;
-}
-
-
-char*
-wNETWMGetIconName(Window window)
-{
-    char *name;
-    char *ret;
-    int size;
-
-    name= (char*)PropGetCheckProperty(window,
-                                      net_wm_icon_name, utf8_string, 0,
-                                      0, &size);
-    if (name) {
-        ret= wstrndup(name, size);
-        XFree(name);
-    }
-    else
-        ret= NULL;
-    return ret;
-}
-
-
-static void
-observer(void *self, WMNotification *notif)
-{
-    WWindow *wwin = (WWindow*)WMGetNotificationObject(notif);
-    const char *name = WMGetNotificationName(notif);
-    void *data = WMGetNotificationClientData(notif);
-    NetData *ndata = (NetData*)self;
-
-
-    if (strcmp(name, WMNManaged) == 0 && wwin) {
-        updateClientList(wwin->screen_ptr);
-        updateClientListStacking(wwin->screen_ptr, NULL);
-        updateStateHint(wwin, True, False);
-
-        updateStrut(wwin, False);
-        updateStrut(wwin, True);
-        wScreenUpdateUsableArea(wwin->screen_ptr);
-    } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
-        updateClientList(wwin->screen_ptr);
-        updateClientListStacking(wwin->screen_ptr, wwin);
-        updateWorkspaceHint(wwin, False, True);
-        updateStateHint(wwin, False, True);
-        wNETWMUpdateActions(wwin, True);
-
-        updateStrut(wwin, False);
-        wScreenUpdateUsableArea(wwin->screen_ptr);
-    } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
-        updateClientListStacking(wwin->screen_ptr, NULL);
-        updateStateHint(wwin, False, False);
-    } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
-        updateClientListStacking(wwin->screen_ptr, NULL);
-        updateStateHint(wwin, False, False);
-    } else if (strcmp(name, WMNChangedFocus) == 0) {
-        updateFocusHint(ndata->scr, wwin);
-    } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
-        updateWorkspaceHint(wwin, False, False);
-        updateStateHint(wwin, True, False);
-    } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
-        updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
-    }
-}
-
-
-static void
-wsobserver(void *self, WMNotification *notif)
-{
-    WScreen *scr = (WScreen*)WMGetNotificationObject(notif);
-    const char *name = WMGetNotificationName(notif);
-
-    if (strcmp(name, WMNWorkspaceCreated) == 0) {
-        updateWorkspaceCount(scr);
-        updateWorkspaceNames(scr);
-    } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
-        updateWorkspaceCount(scr);
-        updateWorkspaceNames(scr);
-    } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
-        updateCurrentWorkspace(scr);
-    } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
-        updateWorkspaceNames(scr);
-    }
-}
-
-#endif /* NETWM_HINTS */
-
-
+/*  wmspec.c-- support for the wm-spec Hints
+ *
+ *  Window Maker window manager
+ *
+ *  Copyright (c) 1998-2003 Alfredo K. Kojima
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ *  USA.
+ */
+
+/*
+ * TODO
+ * ----
+ *
+ * This file needs to be checked for all calls to XGetWindowProperty() and
+ * proper checks need to be made on the returned values. Only checking for
+ * return to be Success is not enough. -Dan
+ */
+
+#include "wconfig.h"
+
+#ifdef NETWM_HINTS
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xarch.h>
+#include <string.h>
+
+#include "WindowMaker.h"
+#include "window.h"
+#include "screen.h"
+#include "workspace.h"
+#include "framewin.h"
+#include "actions.h"
+#include "client.h"
+#include "wmspec.h"
+#include "icon.h"
+#include "stacking.h"
+#include "xinerama.h"
+#include "properties.h"
+
+#ifdef DEBUG_WMSPEC
+#include <stdio.h>
+#endif
+
+/* Global variables */
+extern Atom _XA_WM_DELETE_WINDOW;
+extern Time LastTimestamp;
+extern WPreferences wPreferences;
+
+/* Root Window Properties */
+static Atom net_supported;
+static Atom net_client_list;
+static Atom net_client_list_stacking;
+static Atom net_number_of_desktops;
+static Atom net_desktop_geometry;
+static Atom net_desktop_viewport;
+static Atom net_current_desktop;
+static Atom net_desktop_names;
+static Atom net_active_window;
+static Atom net_workarea;      /* XXX: not xinerama compatible */
+static Atom net_supporting_wm_check;
+static Atom net_virtual_roots; /* N/A */
+static Atom net_desktop_layout;        /* XXX */
+static Atom net_showing_desktop;
+
+/* Other Root Window Messages */
+static Atom net_close_window;
+static Atom net_moveresize_window;     /* TODO */
+static Atom net_wm_moveresize; /* TODO */
+
+/* Application Window Properties */
+static Atom net_wm_name;
+static Atom net_wm_visible_name;       /* TODO (unnecessary?) */
+static Atom net_wm_icon_name;
+static Atom net_wm_visible_icon_name;  /* TODO (unnecessary?) */
+static Atom net_wm_desktop;
+static Atom net_wm_window_type;
+static Atom net_wm_window_type_desktop;
+static Atom net_wm_window_type_dock;
+static Atom net_wm_window_type_toolbar;
+static Atom net_wm_window_type_menu;
+static Atom net_wm_window_type_utility;
+static Atom net_wm_window_type_splash;
+static Atom net_wm_window_type_dialog;
+static Atom net_wm_window_type_normal;
+static Atom net_wm_state;
+static Atom net_wm_state_modal;        /* XXX: what is this?!? */
+static Atom net_wm_state_sticky;
+static Atom net_wm_state_maximized_vert;
+static Atom net_wm_state_maximized_horz;
+static Atom net_wm_state_shaded;
+static Atom net_wm_state_skip_taskbar;
+static Atom net_wm_state_skip_pager;
+static Atom net_wm_state_hidden;
+static Atom net_wm_state_fullscreen;
+static Atom net_wm_state_above;
+static Atom net_wm_state_below;
+static Atom net_wm_allowed_actions;
+static Atom net_wm_action_move;
+static Atom net_wm_action_resize;
+static Atom net_wm_action_minimize;
+static Atom net_wm_action_shade;
+static Atom net_wm_action_stick;
+static Atom net_wm_action_maximize_horz;
+static Atom net_wm_action_maximize_vert;
+static Atom net_wm_action_fullscreen;
+static Atom net_wm_action_change_desktop;
+static Atom net_wm_action_close;
+static Atom net_wm_strut;      /* XXX: see net_workarea */
+static Atom net_wm_strut_partial;      /* TODO: doesn't really fit into the current strut scheme */
+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. */
+static Atom net_wm_icon;
+static Atom net_wm_pid;                /* TODO */
+static Atom net_wm_handled_icons;      /* FIXME: see net_wm_icon_geometry */
+
+/* Window Manager Protocols */
+static Atom net_wm_ping;       /* TODO */
+
+static Atom utf8_string;
+
+typedef struct {
+       char *name;
+       Atom *atom;
+} atomitem_t;
+
+static atomitem_t atomNames[] = {
+       {"_NET_SUPPORTED", &net_supported},
+       {"_NET_CLIENT_LIST", &net_client_list},
+       {"_NET_CLIENT_LIST_STACKING", &net_client_list_stacking},
+       {"_NET_NUMBER_OF_DESKTOPS", &net_number_of_desktops},
+       {"_NET_DESKTOP_GEOMETRY", &net_desktop_geometry},
+       {"_NET_DESKTOP_VIEWPORT", &net_desktop_viewport},
+       {"_NET_CURRENT_DESKTOP", &net_current_desktop},
+       {"_NET_DESKTOP_NAMES", &net_desktop_names},
+       {"_NET_ACTIVE_WINDOW", &net_active_window},
+       {"_NET_WORKAREA", &net_workarea},
+       {"_NET_SUPPORTING_WM_CHECK", &net_supporting_wm_check},
+       {"_NET_VIRTUAL_ROOTS", &net_virtual_roots},
+       {"_NET_DESKTOP_LAYOUT", &net_desktop_layout},
+       {"_NET_SHOWING_DESKTOP", &net_showing_desktop},
+
+       {"_NET_CLOSE_WINDOW", &net_close_window},
+       {"_NET_MOVERESIZE_WINDOW", &net_moveresize_window},
+       {"_NET_WM_MOVERESIZE", &net_wm_moveresize},
+
+       {"_NET_WM_NAME", &net_wm_name},
+       {"_NET_WM_VISIBLE_NAME", &net_wm_visible_name},
+       {"_NET_WM_ICON_NAME", &net_wm_icon_name},
+       {"_NET_WM_VISIBLE_ICON_NAME", &net_wm_visible_icon_name},
+       {"_NET_WM_DESKTOP", &net_wm_desktop},
+       {"_NET_WM_WINDOW_TYPE", &net_wm_window_type},
+       {"_NET_WM_WINDOW_TYPE_DESKTOP", &net_wm_window_type_desktop},
+       {"_NET_WM_WINDOW_TYPE_DOCK", &net_wm_window_type_dock},
+       {"_NET_WM_WINDOW_TYPE_TOOLBAR", &net_wm_window_type_toolbar},
+       {"_NET_WM_WINDOW_TYPE_MENU", &net_wm_window_type_menu},
+       {"_NET_WM_WINDOW_TYPE_UTILITY", &net_wm_window_type_utility},
+       {"_NET_WM_WINDOW_TYPE_SPLASH", &net_wm_window_type_splash},
+       {"_NET_WM_WINDOW_TYPE_DIALOG", &net_wm_window_type_dialog},
+       {"_NET_WM_WINDOW_TYPE_NORMAL", &net_wm_window_type_normal},
+       {"_NET_WM_STATE", &net_wm_state},
+       {"_NET_WM_STATE_MODAL", &net_wm_state_modal},
+       {"_NET_WM_STATE_STICKY", &net_wm_state_sticky},
+       {"_NET_WM_STATE_MAXIMIZED_VERT", &net_wm_state_maximized_vert},
+       {"_NET_WM_STATE_MAXIMIZED_HORZ", &net_wm_state_maximized_horz},
+       {"_NET_WM_STATE_SHADED", &net_wm_state_shaded},
+       {"_NET_WM_STATE_SKIP_TASKBAR", &net_wm_state_skip_taskbar},
+       {"_NET_WM_STATE_SKIP_PAGER", &net_wm_state_skip_pager},
+       {"_NET_WM_STATE_HIDDEN", &net_wm_state_hidden},
+       {"_NET_WM_STATE_FULLSCREEN", &net_wm_state_fullscreen},
+       {"_NET_WM_STATE_ABOVE", &net_wm_state_above},
+       {"_NET_WM_STATE_BELOW", &net_wm_state_below},
+       {"_NET_WM_ALLOWED_ACTIONS", &net_wm_allowed_actions},
+       {"_NET_WM_ACTION_MOVE", &net_wm_action_move},
+       {"_NET_WM_ACTION_RESIZE", &net_wm_action_resize},
+       {"_NET_WM_ACTION_MINIMIZE", &net_wm_action_minimize},
+       {"_NET_WM_ACTION_SHADE", &net_wm_action_shade},
+       {"_NET_WM_ACTION_STICK", &net_wm_action_stick},
+       {"_NET_WM_ACTION_MAXIMIZE_HORZ", &net_wm_action_maximize_horz},
+       {"_NET_WM_ACTION_MAXIMIZE_VERT", &net_wm_action_maximize_vert},
+       {"_NET_WM_ACTION_FULLSCREEN", &net_wm_action_fullscreen},
+       {"_NET_WM_ACTION_CHANGE_DESKTOP", &net_wm_action_change_desktop},
+       {"_NET_WM_ACTION_CLOSE", &net_wm_action_close},
+       {"_NET_WM_STRUT", &net_wm_strut},
+       {"_NET_WM_STRUT_PARTIAL", &net_wm_strut_partial},
+       {"_NET_WM_ICON_GEOMETRY", &net_wm_icon_geometry},
+       {"_NET_WM_ICON", &net_wm_icon},
+       {"_NET_WM_PID", &net_wm_pid},
+       {"_NET_WM_HANDLED_ICONS", &net_wm_handled_icons},
+
+       {"_NET_WM_PING", &net_wm_ping},
+
+       {"UTF8_STRING", &utf8_string},
+};
+
+#define atomNr (sizeof(atomNames)/sizeof(atomitem_t))
+
+#define _NET_WM_STATE_REMOVE 0
+#define _NET_WM_STATE_ADD 1
+#define _NET_WM_STATE_TOGGLE 2
+
+#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT      0
+#define _NET_WM_MOVERESIZE_SIZE_TOP          1
+#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT     2
+#define _NET_WM_MOVERESIZE_SIZE_RIGHT        3
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT  4
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOM       5
+#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT   6
+#define _NET_WM_MOVERESIZE_SIZE_LEFT         7
+#define _NET_WM_MOVERESIZE_MOVE              8 /* movement only */
+#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD     9 /* size via keyboard */
+#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD    10 /* move via keyboard */
+
+static void observer(void *self, WMNotification * notif);
+static void wsobserver(void *self, WMNotification * notif);
+
+static void updateClientList(WScreen * scr);
+static void updateClientListStacking(WScreen * scr, WWindow *);
+
+static void updateWorkspaceNames(WScreen * scr);
+static void updateCurrentWorkspace(WScreen * scr);
+static void updateWorkspaceCount(WScreen * scr);
+
+typedef struct NetData {
+       WScreen *scr;
+       WReservedArea *strut;
+       WWindow **show_desktop;
+} NetData;
+
+static void setSupportedHints(WScreen * scr)
+{
+       Atom atom[atomNr];
+       int i = 0;
+
+       /* set supported hints list */
+       /* XXX: extend this !!! */
+
+       atom[i++] = net_client_list;
+       atom[i++] = net_client_list_stacking;
+       atom[i++] = net_number_of_desktops;
+       atom[i++] = net_desktop_geometry;
+       atom[i++] = net_desktop_viewport;
+       atom[i++] = net_current_desktop;
+       atom[i++] = net_desktop_names;
+       atom[i++] = net_active_window;
+       atom[i++] = net_workarea;
+       atom[i++] = net_supporting_wm_check;
+       atom[i++] = net_showing_desktop;
+#if 0
+       atom[i++] = net_wm_moveresize;
+#endif
+       atom[i++] = net_wm_desktop;
+       atom[i++] = net_wm_window_type;
+       atom[i++] = net_wm_window_type_desktop;
+       atom[i++] = net_wm_window_type_dock;
+       atom[i++] = net_wm_window_type_toolbar;
+       atom[i++] = net_wm_window_type_menu;
+       atom[i++] = net_wm_window_type_utility;
+       atom[i++] = net_wm_window_type_splash;
+       atom[i++] = net_wm_window_type_dialog;
+       atom[i++] = net_wm_window_type_normal;
+
+       atom[i++] = net_wm_state;
+       /*    atom[i++] = net_wm_state_modal; *//* XXX: not sure where/when to use it. */
+       atom[i++] = net_wm_state_sticky;
+       atom[i++] = net_wm_state_shaded;
+       atom[i++] = net_wm_state_maximized_horz;
+       atom[i++] = net_wm_state_maximized_vert;
+       atom[i++] = net_wm_state_skip_taskbar;
+       atom[i++] = net_wm_state_skip_pager;
+       atom[i++] = net_wm_state_hidden;
+       atom[i++] = net_wm_state_fullscreen;
+       atom[i++] = net_wm_state_above;
+       atom[i++] = net_wm_state_below;
+
+       atom[i++] = net_wm_allowed_actions;
+       atom[i++] = net_wm_action_move;
+       atom[i++] = net_wm_action_resize;
+       atom[i++] = net_wm_action_minimize;
+       atom[i++] = net_wm_action_shade;
+       atom[i++] = net_wm_action_stick;
+       atom[i++] = net_wm_action_maximize_horz;
+       atom[i++] = net_wm_action_maximize_vert;
+       atom[i++] = net_wm_action_fullscreen;
+       atom[i++] = net_wm_action_change_desktop;
+       atom[i++] = net_wm_action_close;
+
+       atom[i++] = net_wm_strut;
+       atom[i++] = net_wm_icon_geometry;
+       atom[i++] = net_wm_icon;
+       atom[i++] = net_wm_handled_icons;
+
+       atom[i++] = net_wm_name;
+       atom[i++] = net_wm_icon_name;
+
+       XChangeProperty(dpy, scr->root_win, net_supported, XA_ATOM, 32, PropModeReplace, (unsigned char *)atom, i);
+
+       /* set supporting wm hint */
+       XChangeProperty(dpy, scr->root_win, net_supporting_wm_check, XA_WINDOW, 32,
+                       PropModeReplace, (unsigned char *)&scr->info_window, 1);
+
+       XChangeProperty(dpy, scr->info_window, net_supporting_wm_check, XA_WINDOW,
+                       32, PropModeReplace, (unsigned char *)&scr->info_window, 1);
+}
+
+void wNETWMUpdateDesktop(WScreen * scr)
+{
+       long *views, sizes[2];
+       int count, i;
+
+       if (scr->workspace_count == 0)
+               return;
+
+       count = scr->workspace_count * 2;
+       views = wmalloc(sizeof(long) * count);
+       /*memset(views, 0, sizeof(long) * count); */
+
+#ifdef VIRTUAL_DESKTOP
+       sizes[0] = scr->workspaces[scr->current_workspace]->width;
+       sizes[1] = scr->workspaces[scr->current_workspace]->height;
+#else
+       sizes[0] = scr->scr_width;
+       sizes[1] = scr->scr_height;
+#endif
+
+       for (i = 0; i < scr->workspace_count; i++) {
+#ifdef VIRTUAL_DESKTOP
+               views[2 * i + 0] = scr->workspaces[i]->view_x;
+               views[2 * i + 1] = scr->workspaces[i]->view_y;
+#else
+               views[2 * i + 0] = 0;
+               views[2 * i + 1] = 0;
+#endif
+       }
+
+       XChangeProperty(dpy, scr->root_win, net_desktop_geometry, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)sizes, 2);
+
+       XChangeProperty(dpy, scr->root_win, net_desktop_viewport, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)views, count);
+
+       wfree(views);
+}
+
+int wNETWMGetCurrentDesktopFromHint(WScreen * scr)
+{
+       int count;
+       unsigned char *prop;
+
+       prop = PropGetCheckProperty(scr->root_win, net_current_desktop, XA_CARDINAL, 0, 1, &count);
+       if (prop) {
+               int desktop = *(long *)prop;
+               XFree(prop);
+               return desktop;
+       }
+       return -1;
+}
+
+/*
+ * Find the best icon to be used by Window Maker for appicon/miniwindows.
+ * Currently the algorithm is to take the image with the size closest
+ * to icon_size x icon_size, but never bigger than that.
+ *
+ * This algorithm is very poorly implemented and needs to be redone (it can
+ * easily select images with very large widths and very small heights over
+ * square images, if the area of the former is closer to the desired one).
+ *
+ * The logic can also be changed to accept bigger images and scale them down.
+ */
+static unsigned long *findBestIcon(unsigned long *data, unsigned long items)
+{
+       int size, wanted, d;
+       unsigned long i, distance;
+       unsigned long *icon;
+
+       /* better use only 75% of icon_size. For 64x64 this means 48x48
+        * This leaves room around the icon for the miniwindow title and
+        * results in better overall aesthetics -Dan */
+       wanted = wPreferences.icon_size * wPreferences.icon_size;
+
+       for (icon = NULL, distance = LONG_MAX, i = 0L; i < items - 1;) {
+               size = data[i] * data[i + 1];
+               if (size == 0)
+                       break;
+               d = wanted - size;
+               if (d >= 0 && d <= distance && (i + size + 2) <= items) {
+                       distance = d;
+                       icon = &data[i];
+               }
+               i += size + 2;
+       }
+
+       return icon;
+}
+
+static RImage *makeRImageFromARGBData(unsigned long *data)
+{
+       int size, width, height, i;
+       RImage *image;
+       unsigned char *imgdata;
+       unsigned long pixel;
+
+       width = data[0];
+       height = data[1];
+       size = width * height;
+
+       if (size == 0)
+               return NULL;
+
+       image = RCreateImage(width, height, True);
+
+       for (imgdata = image->data, i = 2; i < size + 2; i++, imgdata += 4) {
+               pixel = data[i];
+#if BYTE_ORDER == BIG_ENDIAN
+               imgdata[2] = (pixel >> 24) & 0xff;      /* A */
+               imgdata[1] = (pixel >> 16) & 0xff;      /* R */
+               imgdata[0] = (pixel >> 8) & 0xff;       /* G */
+               imgdata[3] = (pixel >> 0) & 0xff;       /* B */
+#else                          /* Little endian */
+               imgdata[3] = (pixel >> 24) & 0xff;      /* A */
+               imgdata[0] = (pixel >> 16) & 0xff;      /* R */
+               imgdata[1] = (pixel >> 8) & 0xff;       /* G */
+               imgdata[2] = (pixel >> 0) & 0xff;       /* B */
+#endif                         /* endianness */
+
+       }
+
+       return image;
+}
+
+static void updateIconImage(WScreen * scr, WWindow * wwin)
+{
+       unsigned long *property, *data;
+       unsigned long items, rest;
+       Atom type;
+       int format;
+       RImage *image;
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon, 0L, LONG_MAX,
+                              False, XA_CARDINAL, &type, &format, &items, &rest,
+                              (unsigned char **)&property) != Success || !property) {
+               return;
+       }
+
+       if (type != XA_CARDINAL || format != 32 || items < 2) {
+               XFree(property);
+               return;
+       }
+
+       data = findBestIcon(property, items);
+       if (!data) {
+               XFree(property);
+               return;
+       }
+
+       image = makeRImageFromARGBData(data);
+
+       if (image) {
+               if (wwin->net_icon_image)
+                       RReleaseImage(wwin->net_icon_image);
+               wwin->net_icon_image = image;
+       }
+
+       XFree(property);
+}
+
+static void updateShowDesktop(WScreen * scr, Bool show)
+{
+       long foo;
+
+       foo = (show == True);
+       XChangeProperty(dpy, scr->root_win, net_showing_desktop, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)&foo, 1);
+}
+
+void wNETWMShowingDesktop(WScreen * scr, Bool show)
+{
+       if (show && scr->netdata->show_desktop == NULL) {
+               WWindow *tmp, **wins;
+               int i = 0;
+
+               wins = (WWindow **) wmalloc(sizeof(WWindow *) * (scr->window_count + 1));
+
+               tmp = scr->focused_window;
+               while (tmp) {
+                       if (!tmp->flags.hidden && !tmp->flags.miniaturized && !WFLAGP(tmp, skip_window_list)) {
+
+                               wins[i++] = tmp;
+                               tmp->flags.skip_next_animation = 1;
+                               tmp->flags.net_show_desktop = 1;
+                               wIconifyWindow(tmp);
+                       }
+
+                       tmp = tmp->prev;
+               }
+               wins[i++] = NULL;
+
+               scr->netdata->show_desktop = wins;
+               updateShowDesktop(scr, True);
+       } else if (scr->netdata->show_desktop != NULL) {
+               /* FIXME: get rid of workspace flashing ! */
+               int ws = scr->current_workspace;
+               WWindow **tmp;
+               for (tmp = scr->netdata->show_desktop; *tmp; ++tmp) {
+                       wDeiconifyWindow(*tmp);
+                       (*tmp)->flags.net_show_desktop = 0;
+               }
+               if (ws != scr->current_workspace)
+                       wWorkspaceChange(scr, ws);
+               wfree(scr->netdata->show_desktop);
+               scr->netdata->show_desktop = NULL;
+               updateShowDesktop(scr, False);
+       }
+}
+
+void wNETWMInitStuff(WScreen * scr)
+{
+       NetData *data;
+       int i;
+
+#ifdef DEBUG_WMSPEC
+       printf("wNETWMInitStuff\n");
+#endif
+
+#ifdef HAVE_XINTERNATOMS
+       {
+               Atom atoms[atomNr];
+               char *names[atomNr];
+
+               for (i = 0; i < atomNr; ++i) {
+                       names[i] = atomNames[i].name;
+               }
+               XInternAtoms(dpy, &names[0], atomNr, False, atoms);
+               for (i = 0; i < atomNr; ++i) {
+                       *atomNames[i].atom = atoms[i];
+               }
+       }
+#else
+       for (i = 0; i < atomNr; i++) {
+               *atomNames[i].atom = XInternAtom(dpy, atomNames[i].name, False);
+       }
+#endif
+
+       data = wmalloc(sizeof(NetData));
+       data->scr = scr;
+       data->strut = NULL;
+       data->show_desktop = NULL;
+
+       scr->netdata = data;
+
+       setSupportedHints(scr);
+
+       WMAddNotificationObserver(observer, data, WMNManaged, NULL);
+       WMAddNotificationObserver(observer, data, WMNUnmanaged, NULL);
+       WMAddNotificationObserver(observer, data, WMNChangedWorkspace, NULL);
+       WMAddNotificationObserver(observer, data, WMNChangedState, NULL);
+       WMAddNotificationObserver(observer, data, WMNChangedFocus, NULL);
+       WMAddNotificationObserver(observer, data, WMNChangedStacking, NULL);
+       WMAddNotificationObserver(observer, data, WMNChangedName, NULL);
+
+       WMAddNotificationObserver(wsobserver, data, WMNWorkspaceCreated, NULL);
+       WMAddNotificationObserver(wsobserver, data, WMNWorkspaceDestroyed, NULL);
+       WMAddNotificationObserver(wsobserver, data, WMNWorkspaceChanged, NULL);
+       WMAddNotificationObserver(wsobserver, data, WMNWorkspaceNameChanged, NULL);
+
+       updateClientList(scr);
+       updateClientListStacking(scr, NULL);
+       updateWorkspaceCount(scr);
+       updateWorkspaceNames(scr);
+       updateShowDesktop(scr, False);
+
+       wScreenUpdateUsableArea(scr);
+}
+
+void wNETWMCleanup(WScreen * scr)
+{
+       int i;
+
+       for (i = 0; i < atomNr; i++)
+               XDeleteProperty(dpy, scr->root_win, *atomNames[i].atom);
+}
+
+void wNETWMUpdateActions(WWindow * wwin, Bool del)
+{
+       Atom action[10];        /* nr of actions atoms defined */
+       int i = 0;
+
+       if (del) {
+               XDeleteProperty(dpy, wwin->client_win, net_wm_allowed_actions);
+               return;
+       }
+
+       if (IS_MOVABLE(wwin))
+               action[i++] = net_wm_action_move;
+
+       if (IS_RESIZABLE(wwin))
+               action[i++] = net_wm_action_resize;
+
+       if (!WFLAGP(wwin, no_miniaturizable))
+               action[i++] = net_wm_action_minimize;
+
+       if (!WFLAGP(wwin, no_shadeable))
+               action[i++] = net_wm_action_shade;
+
+       /*    if (!WFLAGP(wwin, no_stickable)) */
+       action[i++] = net_wm_action_stick;
+
+       /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_HORIZONTAL)) */
+       if (IS_RESIZABLE(wwin))
+               action[i++] = net_wm_action_maximize_horz;
+
+       /*    if (!(WFLAGP(wwin, no_maximizeable) & MAX_VERTICAL)) */
+       if (IS_RESIZABLE(wwin))
+               action[i++] = net_wm_action_maximize_vert;
+
+       /*    if (!WFLAGP(wwin, no_fullscreen)) */
+       action[i++] = net_wm_action_fullscreen;
+
+       /*    if (!WFLAGP(wwin, no_change_desktop)) */
+       action[i++] = net_wm_action_change_desktop;
+
+       if (!WFLAGP(wwin, no_closable))
+               action[i++] = net_wm_action_close;
+
+       XChangeProperty(dpy, wwin->client_win, net_wm_allowed_actions,
+                       XA_ATOM, 32, PropModeReplace, (unsigned char *)action, i);
+}
+
+void wNETWMUpdateWorkarea(WScreen * scr, WArea usableArea)
+{
+       long *area;
+       int count, i;
+
+       /* XXX: not Xinerama compatible,
+          xinerama gets the largest available */
+
+       if (!scr->netdata || scr->workspace_count == 0)
+               return;
+
+       count = scr->workspace_count * 4;
+       area = wmalloc(sizeof(long) * count);
+       for (i = 0; i < scr->workspace_count; i++) {
+               area[4 * i + 0] = usableArea.x1;
+               area[4 * i + 1] = usableArea.y1;
+               area[4 * i + 2] = usableArea.x2 - usableArea.x1;
+               area[4 * i + 3] = usableArea.y2 - usableArea.y1;
+       }
+
+       XChangeProperty(dpy, scr->root_win, net_workarea, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)area, count);
+
+       wfree(area);
+}
+
+Bool wNETWMGetUsableArea(WScreen * scr, int head, WArea * area)
+{
+       WReservedArea *cur;
+       WMRect rect;
+
+       if (!scr->netdata || !scr->netdata->strut)
+               return False;
+
+       area->x1 = area->y1 = area->x2 = area->y2 = 0;
+
+       for (cur = scr->netdata->strut; cur; cur = cur->next) {
+               WWindow *wwin = wWindowFor(cur->window);
+               if (wWindowTouchesHead(wwin, head)) {
+                       if (cur->area.x1 > area->x1)
+                               area->x1 = cur->area.x1;
+                       if (cur->area.y1 > area->y1)
+                               area->y1 = cur->area.y1;
+                       if (cur->area.x2 > area->x2)
+                               area->x2 = cur->area.x2;
+                       if (cur->area.y2 > area->y2)
+                               area->y2 = cur->area.y2;
+               }
+       }
+
+       if (area->x1 == 0 && area->x2 == 0 && area->y1 == 0 && area->y2 == 0)
+               return False;
+
+       rect = wGetRectForHead(scr, head);
+
+       area->x1 = rect.pos.x + area->x1;
+       area->x2 = rect.pos.x + rect.size.width - area->x2;
+       area->y1 = rect.pos.y + area->y1;
+       area->y2 = rect.pos.y + rect.size.height - area->y2;
+
+       return True;
+}
+
+static void updateClientList(WScreen * scr)
+{
+       WWindow *wwin;
+       Window *windows;
+       int count;
+
+       windows = (Window *) wmalloc(sizeof(Window) * (scr->window_count + 1));
+
+       count = 0;
+       wwin = scr->focused_window;
+       while (wwin) {
+               windows[count++] = wwin->client_win;
+               wwin = wwin->prev;
+       }
+       XChangeProperty(dpy, scr->root_win, net_client_list, XA_WINDOW, 32,
+                       PropModeReplace, (unsigned char *)windows, count);
+
+       wfree(windows);
+       XFlush(dpy);
+}
+
+static void updateClientListStacking(WScreen * scr, WWindow * wwin_excl)
+{
+       WWindow *wwin;
+       Window *client_list;
+       Window *client_list_reverse;
+       int client_count;
+       WCoreWindow *tmp;
+       WMBagIterator iter;
+       int i;
+
+       /* update client list */
+       i = scr->window_count + 1;
+       client_list = (Window *) wmalloc(sizeof(Window) * i);
+       client_list_reverse = (Window *) wmalloc(sizeof(Window) * i);
+
+       client_count = 0;
+       WM_ETARETI_BAG(scr->stacking_list, tmp, iter) {
+               while (tmp) {
+                       wwin = wWindowFor(tmp->window);
+                       /* wwin_excl is a window to exclude from the list
+                          (e.g. it's now unmanaged) */
+                       if (wwin && (wwin != wwin_excl))
+                               client_list[client_count++] = wwin->client_win;
+                       tmp = tmp->stacking->under;
+               }
+       }
+
+       for (i = 0; i < client_count; i++) {
+               Window w = client_list[client_count - i - 1];
+               client_list_reverse[i] = w;
+       }
+
+       XChangeProperty(dpy, scr->root_win, net_client_list_stacking, XA_WINDOW, 32,
+                       PropModeReplace, (unsigned char *)client_list_reverse, client_count);
+
+       wfree(client_list);
+       wfree(client_list_reverse);
+
+       XFlush(dpy);
+}
+
+static void updateWorkspaceCount(WScreen * scr)
+{                              /* changeable */
+       long count;
+
+       count = scr->workspace_count;
+
+       XChangeProperty(dpy, scr->root_win, net_number_of_desktops, XA_CARDINAL,
+                       32, PropModeReplace, (unsigned char *)&count, 1);
+}
+
+static void updateCurrentWorkspace(WScreen * scr)
+{                              /* changeable */
+       long count;
+
+       count = scr->current_workspace;
+
+       XChangeProperty(dpy, scr->root_win, net_current_desktop, XA_CARDINAL, 32,
+                       PropModeReplace, (unsigned char *)&count, 1);
+}
+
+static void updateWorkspaceNames(WScreen * scr)
+{
+       char buf[MAX_WORKSPACES * (MAX_WORKSPACENAME_WIDTH + 1)], *pos;
+       unsigned int i, len, curr_size;
+
+       pos = buf;
+       len = 0;
+       for (i = 0; i < scr->workspace_count; i++) {
+               curr_size = strlen(scr->workspaces[i]->name);
+               strcpy(pos, scr->workspaces[i]->name);
+               pos += (curr_size + 1);
+               len += (curr_size + 1);
+       }
+
+       XChangeProperty(dpy, scr->root_win, net_desktop_names, utf8_string, 8,
+                       PropModeReplace, (unsigned char *)buf, len);
+}
+
+static void updateFocusHint(WScreen * scr, WWindow * wwin)
+{                              /* changeable */
+       Window window;
+
+       if (!scr->focused_window || !scr->focused_window->flags.focused)
+               window = None;
+       else
+               window = scr->focused_window->client_win;
+
+       XChangeProperty(dpy, scr->root_win, net_active_window, XA_WINDOW, 32,
+                       PropModeReplace, (unsigned char *)&window, 1);
+}
+
+static void updateWorkspaceHint(WWindow * wwin, Bool fake, Bool del)
+{
+       long l;
+
+       if (del) {
+               XDeleteProperty(dpy, wwin->client_win, net_wm_desktop);
+       } else {
+               l = ((fake || IS_OMNIPRESENT(wwin)) ? -1 : wwin->frame->workspace);
+               XChangeProperty(dpy, wwin->client_win, net_wm_desktop, XA_CARDINAL,
+                               32, PropModeReplace, (unsigned char *)&l, 1);
+       }
+}
+
+static void updateStateHint(WWindow * wwin, Bool changedWorkspace, Bool del)
+{                              /* changeable */
+       if (del) {
+               if (!wwin->flags.net_state_from_client) {
+                       XDeleteProperty(dpy, wwin->client_win, net_wm_state);
+               }
+       } else {
+               Atom state[15]; /* nr of defined state atoms */
+               int i = 0;
+
+               if (changedWorkspace || (wPreferences.sticky_icons && !IS_OMNIPRESENT(wwin)))
+                       updateWorkspaceHint(wwin, False, False);
+
+               if (IS_OMNIPRESENT(wwin))
+                       state[i++] = net_wm_state_sticky;
+               if (wwin->flags.shaded)
+                       state[i++] = net_wm_state_shaded;
+               if (wwin->flags.maximized & MAX_HORIZONTAL)
+                       state[i++] = net_wm_state_maximized_horz;
+               if (wwin->flags.maximized & MAX_VERTICAL)
+                       state[i++] = net_wm_state_maximized_vert;
+               if (WFLAGP(wwin, skip_window_list))
+                       state[i++] = net_wm_state_skip_taskbar;
+               if (wwin->flags.net_skip_pager)
+                       state[i++] = net_wm_state_skip_pager;
+               if ((wwin->flags.hidden || wwin->flags.miniaturized) && !wwin->flags.net_show_desktop) {
+                       state[i++] = net_wm_state_hidden;
+                       state[i++] = net_wm_state_skip_pager;
+
+                       if (wwin->flags.miniaturized && wPreferences.sticky_icons) {
+                               if (!IS_OMNIPRESENT(wwin))
+                                       updateWorkspaceHint(wwin, True, False);
+                               state[i++] = net_wm_state_sticky;
+                       }
+               }
+               if (WFLAGP(wwin, sunken))
+                       state[i++] = net_wm_state_below;
+               if (WFLAGP(wwin, floating))
+                       state[i++] = net_wm_state_above;
+               if (wwin->flags.fullscreen)
+                       state[i++] = net_wm_state_fullscreen;
+
+               XChangeProperty(dpy, wwin->client_win, net_wm_state, XA_ATOM, 32,
+                               PropModeReplace, (unsigned char *)state, i);
+       }
+}
+
+static Bool updateStrut(WWindow * wwin, Bool adding)
+{
+       WScreen *scr;
+       WReservedArea *area;
+       Bool hasState = False;
+
+       scr = wwin->screen_ptr;
+
+       if (adding) {
+               Atom type_ret;
+               int fmt_ret;
+               unsigned long nitems_ret;
+               unsigned long bytes_after_ret;
+               long *data = 0;
+
+               if (XGetWindowProperty(dpy, wwin->client_win, net_wm_strut, 0, 4, False,
+                                      XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
+                                      &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+                       area = (WReservedArea *) wmalloc(sizeof(WReservedArea));
+                       area->area.x1 = data[0];
+                       area->area.x2 = data[1];
+                       area->area.y1 = data[2];
+                       area->area.y2 = data[3];
+
+                       area->window = wwin->client_win;
+
+                       area->next = scr->netdata->strut;
+                       scr->netdata->strut = area;
+
+                       XFree(data);
+                       hasState = True;
+#ifdef VIRTUAL_DESKTOP
+                       /* just in case wm_window_type didn't set it already */
+                       wwin->client_flags.virtual_stick = 1;
+#endif
+               }
+
+       } else {
+               /* deleting */
+               area = scr->netdata->strut;
+
+               if (area) {
+                       if (area->window == wwin->client_win) {
+                               scr->netdata->strut = area->next;
+                               wfree(area);
+                               hasState = True;
+                       } else {
+                               while (area->next && area->next->window != wwin->client_win)
+                                       area = area->next;
+
+                               if (area->next) {
+                                       WReservedArea *next;
+
+                                       next = area->next->next;
+                                       wfree(area->next);
+                                       area->next = next;
+
+                                       hasState = True;
+                               }
+                       }
+               }
+       }
+
+       return hasState;
+}
+
+static int getWindowLayer(WWindow * wwin)
+{
+       int layer = WMNormalLevel;
+
+       if (wwin->type == net_wm_window_type_desktop) {
+               layer = WMDesktopLevel;
+       } else if (wwin->type == net_wm_window_type_dock) {
+               layer = WMDockLevel;
+       } else if (wwin->type == net_wm_window_type_toolbar) {
+               layer = WMMainMenuLevel;
+       } else if (wwin->type == net_wm_window_type_menu) {
+               layer = WMSubmenuLevel;
+       } else if (wwin->type == net_wm_window_type_utility) {
+       } else if (wwin->type == net_wm_window_type_splash) {
+       } else if (wwin->type == net_wm_window_type_dialog) {
+               if (wwin->transient_for) {
+                       WWindow *parent = wWindowFor(wwin->transient_for);
+                       if (parent && parent->flags.fullscreen) {
+                               layer = WMFullscreenLevel;
+                       }
+               }
+               /* //layer = WMPopUpLevel; // this seems a bad idea -Dan */
+       } else if (wwin->type == net_wm_window_type_normal) {
+       }
+
+       if (wwin->client_flags.sunken && WMSunkenLevel < layer)
+               layer = WMSunkenLevel;
+       if (wwin->client_flags.floating && WMFloatingLevel > layer)
+               layer = WMFloatingLevel;
+
+       return layer;
+}
+
+static void doStateAtom(WWindow * wwin, Atom state, int set, Bool init)
+{
+
+       if (state == net_wm_state_sticky) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !IS_OMNIPRESENT(wwin);
+               }
+               if (set != wwin->flags.omnipresent) {
+                       wWindowSetOmnipresent(wwin, set);
+               }
+       } else if (state == net_wm_state_shaded) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !wwin->flags.shaded;
+               }
+               if (init) {
+                       wwin->flags.shaded = set;
+               } else {
+                       if (set) {
+                               wShadeWindow(wwin);
+                       } else {
+                               wUnshadeWindow(wwin);
+                       }
+               }
+       } else if (state == net_wm_state_skip_taskbar) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !wwin->client_flags.skip_window_list;
+               }
+               wwin->client_flags.skip_window_list = set;
+       } else if (state == net_wm_state_skip_pager) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !wwin->flags.net_skip_pager;
+               }
+               wwin->flags.net_skip_pager = set;
+       } else if (state == net_wm_state_maximized_vert) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->flags.maximized & MAX_VERTICAL);
+               }
+               if (init) {
+                       wwin->flags.maximized |= (set ? MAX_VERTICAL : 0);
+               } else {
+                       if (set) {
+                               wMaximizeWindow(wwin, wwin->flags.maximized | MAX_VERTICAL);
+                       } else {
+                               wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_VERTICAL);
+                       }
+               }
+       } else if (state == net_wm_state_maximized_horz) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->flags.maximized & MAX_HORIZONTAL);
+               }
+               if (init) {
+                       wwin->flags.maximized |= (set ? MAX_HORIZONTAL : 0);
+               } else {
+                       if (set) {
+                               wMaximizeWindow(wwin, wwin->flags.maximized | MAX_HORIZONTAL);
+                       } else {
+                               wMaximizeWindow(wwin, wwin->flags.maximized & ~MAX_HORIZONTAL);
+                       }
+               }
+       } else if (state == net_wm_state_hidden) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->flags.miniaturized);
+               }
+               if (init) {
+                       wwin->flags.miniaturized = set;
+               } else {
+                       if (set) {
+                               wIconifyWindow(wwin);
+                       } else {
+                               wDeiconifyWindow(wwin);
+                       }
+               }
+       } else if (state == net_wm_state_fullscreen) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->flags.fullscreen);
+               }
+               if (init) {
+                       wwin->flags.fullscreen = set;
+               } else {
+                       if (set) {
+                               wFullscreenWindow(wwin);
+                       } else {
+                               wUnfullscreenWindow(wwin);
+                       }
+               }
+       } else if (state == net_wm_state_above) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->client_flags.floating);
+               }
+               if (init) {
+                       wwin->client_flags.floating = set;
+               } else {
+                       wwin->client_flags.floating = set;
+                       ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
+               }
+
+       } else if (state == net_wm_state_below) {
+               if (set == _NET_WM_STATE_TOGGLE) {
+                       set = !(wwin->client_flags.sunken);
+               }
+               if (init) {
+                       wwin->client_flags.sunken = set;
+               } else {
+                       wwin->client_flags.sunken = set;
+                       ChangeStackingLevel(wwin->frame->core, getWindowLayer(wwin));
+               }
+
+       } else {
+#ifdef DEBUG_WMSPEC
+               printf("doStateAtom unknown atom %s set %d\n", XGetAtomName(dpy, state), set);
+#endif
+       }
+}
+
+static void removeIcon(WWindow * wwin)
+{
+       if (wwin->icon == NULL)
+               return;
+       if (wwin->flags.miniaturized && wwin->icon->mapped) {
+               XUnmapWindow(dpy, wwin->icon->core->window);
+               RemoveFromStackList(wwin->icon->core);
+               wIconDestroy(wwin->icon);
+               wwin->icon = NULL;
+       }
+}
+
+static Bool handleWindowType(WWindow * wwin, Atom type, int *layer)
+{
+       Bool ret = True;
+
+       if (type == net_wm_window_type_desktop) {
+               wwin->client_flags.no_titlebar = 1;
+               wwin->client_flags.no_resizable = 1;
+               wwin->client_flags.no_miniaturizable = 1;
+               wwin->client_flags.no_border = 1;
+               wwin->client_flags.no_resizebar = 1;
+               wwin->client_flags.no_shadeable = 1;
+               wwin->client_flags.no_movable = 1;
+               wwin->client_flags.omnipresent = 1;
+               wwin->client_flags.skip_window_list = 1;
+               wwin->client_flags.dont_move_off = 1;
+               wwin->client_flags.no_appicon = 1;
+               wwin->flags.net_skip_pager = 1;
+               wwin->frame_x = 0;
+               wwin->frame_y = 0;
+#ifdef VIRTUAL_DESKTOP
+               wwin->client_flags.virtual_stick = 1;
+#endif
+       } else if (type == net_wm_window_type_dock) {
+               wwin->client_flags.no_titlebar = 1;
+               wwin->client_flags.no_resizable = 1;
+               wwin->client_flags.no_miniaturizable = 1;
+               wwin->client_flags.no_border = 1;       /* XXX: really not a single decoration. */
+               wwin->client_flags.no_resizebar = 1;
+               wwin->client_flags.no_shadeable = 1;
+               wwin->client_flags.no_movable = 1;
+               wwin->client_flags.omnipresent = 1;
+               wwin->client_flags.skip_window_list = 1;
+               wwin->client_flags.dont_move_off = 1;
+               wwin->flags.net_skip_pager = 1;
+#ifdef VIRTUAL_DESKTOP
+               wwin->client_flags.virtual_stick = 1;
+#endif
+       } else if (type == net_wm_window_type_toolbar) {
+               wwin->client_flags.no_titlebar = 1;
+               wwin->client_flags.no_resizable = 1;
+               wwin->client_flags.no_miniaturizable = 1;
+               wwin->client_flags.no_resizebar = 1;
+               wwin->client_flags.no_shadeable = 1;
+               wwin->client_flags.skip_window_list = 1;
+               wwin->client_flags.dont_move_off = 1;
+               wwin->client_flags.no_appicon = 1;
+       } else if (type == net_wm_window_type_menu) {
+               wwin->client_flags.no_titlebar = 1;
+               wwin->client_flags.no_resizable = 1;
+               wwin->client_flags.no_miniaturizable = 1;
+               wwin->client_flags.no_resizebar = 1;
+               wwin->client_flags.no_shadeable = 1;
+               wwin->client_flags.skip_window_list = 1;
+               wwin->client_flags.dont_move_off = 1;
+               wwin->client_flags.no_appicon = 1;
+       } else if (type == net_wm_window_type_utility) {
+               wwin->client_flags.no_appicon = 1;
+       } else if (type == net_wm_window_type_splash) {
+               wwin->client_flags.no_titlebar = 1;
+               wwin->client_flags.no_resizable = 1;
+               wwin->client_flags.no_miniaturizable = 1;
+               wwin->client_flags.no_resizebar = 1;
+               wwin->client_flags.no_shadeable = 1;
+               wwin->client_flags.no_movable = 1;
+               wwin->client_flags.skip_window_list = 1;
+               wwin->client_flags.dont_move_off = 1;
+               wwin->client_flags.no_appicon = 1;
+               wwin->flags.net_skip_pager = 1;
+       } else if (type == net_wm_window_type_dialog) {
+               /* These also seem a bad idea in our context -Dan
+                  // wwin->client_flags.skip_window_list = 1;
+                  // wwin->client_flags.no_appicon = 1;
+                */
+       } else if (type == net_wm_window_type_normal) {
+       } else {
+               ret = False;
+       }
+
+       wwin->type = type;
+       *layer = getWindowLayer(wwin);
+
+       return ret;
+}
+
+void wNETWMPositionSplash(WWindow * wwin, int *x, int *y, int width, int height)
+{
+       if (wwin->type == net_wm_window_type_splash) {
+               WScreen *scr = wwin->screen_ptr;
+               WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
+               *x = rect.pos.x + (rect.size.width - width) / 2;
+               *y = rect.pos.y + (rect.size.height - height) / 2;
+       }
+}
+
+static void updateWindowType(WWindow * wwin)
+{
+       Atom type_ret;
+       int fmt_ret;
+       unsigned long nitems_ret;
+       unsigned long bytes_after_ret;
+       long *data = 0;
+       int layer;
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1,
+                              False, XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+               int i;
+               Atom *type = (Atom *) data;
+               for (i = 0; i < nitems_ret; ++i) {
+                       if (handleWindowType(wwin, type[i], &layer))
+                               break;
+               }
+               XFree(data);
+       }
+
+       ChangeStackingLevel(wwin->frame->core, layer);
+       wwin->frame->flags.need_texture_change = 1;
+       wWindowConfigureBorders(wwin);
+       wFrameWindowPaint(wwin->frame);
+       wNETWMUpdateActions(wwin, False);
+}
+
+Bool wNETWMCheckClientHints(WWindow * wwin, int *layer, int *workspace)
+{
+       Atom type_ret;
+       int fmt_ret;
+       unsigned long nitems_ret;
+       unsigned long bytes_after_ret;
+       long *data = 0;
+       Bool hasState = False;
+       int i;
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_desktop, 0, 1, False,
+                              XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+               long desktop = *data;
+               XFree(data);
+
+               if (desktop == -1)
+                       wwin->client_flags.omnipresent = 1;
+               else
+                       *workspace = desktop;
+
+               hasState = True;
+       }
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_state, 0, 1, False,
+                              XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+               Atom *state = (Atom *) data;
+               for (i = 0; i < nitems_ret; ++i) {
+                       doStateAtom(wwin, state[i], _NET_WM_STATE_ADD, True);
+               }
+               XFree(data);
+               hasState = True;
+       }
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_window_type, 0, 1, False,
+                              XA_ATOM, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+               Atom *type = (Atom *) data;
+               for (i = 0; i < nitems_ret; ++i) {
+                       if (handleWindowType(wwin, type[i], layer))
+                               break;
+               }
+               XFree(data);
+               hasState = True;
+       }
+
+       wNETWMUpdateActions(wwin, False);
+       updateStrut(wwin, False);
+       if (updateStrut(wwin, True)) {
+               hasState = True;
+       }
+       wScreenUpdateUsableArea(wwin->screen_ptr);
+
+       return hasState;
+}
+
+static Bool updateNetIconInfo(WWindow * wwin)
+{
+
+       Atom type_ret;
+       int fmt_ret;
+       unsigned long nitems_ret;
+       unsigned long bytes_after_ret;
+       long *data = 0;
+       Bool hasState = False;
+       Bool old_state = wwin->flags.net_handle_icon;
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_handled_icons, 0, 1, False,
+                              XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+               long handled = *data;
+               wwin->flags.net_handle_icon = (handled != 0);
+               XFree(data);
+               hasState = True;
+
+       } else
+               wwin->flags.net_handle_icon = False;
+
+       if (XGetWindowProperty(dpy, wwin->client_win, net_wm_icon_geometry, 0, 4, False,
+                              XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+#ifdef NETWM_PROPER
+               if (wwin->flags.net_handle_icon)
+#else
+               wwin->flags.net_handle_icon = True;
+#endif
+               {
+                       wwin->icon_x = data[0];
+                       wwin->icon_y = data[1];
+                       wwin->icon_w = data[2];
+                       wwin->icon_h = data[3];
+               }
+
+               XFree(data);
+               hasState = True;
+
+       } else
+               wwin->flags.net_handle_icon = False;
+
+       if (wwin->flags.miniaturized && old_state != wwin->flags.net_handle_icon) {
+               if (wwin->flags.net_handle_icon) {
+                       removeIcon(wwin);
+               } else {
+                       wwin->flags.miniaturized = False;
+                       wwin->flags.skip_next_animation = True;
+                       wIconifyWindow(wwin);
+               }
+       }
+
+       return hasState;
+}
+
+Bool wNETWMCheckInitialClientState(WWindow * wwin)
+{
+       Bool hasState = False;
+
+#ifdef DEBUG_WMSPEC
+       printf("CheckInitialClientState\n");
+#endif
+
+       wNETWMShowingDesktop(wwin->screen_ptr, False);
+
+       hasState |= updateNetIconInfo(wwin);
+
+       updateIconImage(wwin->screen_ptr, wwin);
+
+       return hasState;
+}
+
+static void handleDesktopNames(XClientMessageEvent * event, WScreen * scr)
+{
+       unsigned long nitems_ret, bytes_after_ret;
+       char *data, *names[32];
+       int fmt_ret, i, n;
+       Atom type_ret;
+
+       if (XGetWindowProperty(dpy, scr->root_win, net_desktop_names, 0, 1, False,
+                              utf8_string, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) != Success) {
+               return;
+       }
+
+       if (data == 0)
+               return;
+
+       if (type_ret != utf8_string || fmt_ret != 8)
+               return;
+
+       n = 0;
+       names[n] = data;
+       for (i = 0; i < nitems_ret; i++) {
+               if (data[i] == 0) {
+                       n++;
+                       names[n] = &data[i];
+               } else if (*names[n] == 0) {
+                       names[n] = &data[i];
+                       wWorkspaceRename(scr, n, names[n]);
+               }
+       }
+}
+
+Bool wNETWMProcessClientMessage(XClientMessageEvent * event)
+{
+       WScreen *scr;
+       WWindow *wwin;
+       Bool done = True;
+
+#ifdef DEBUG_WMSPEC
+       printf("processClientMessage type %s\n", XGetAtomName(dpy, event->message_type));
+#endif
+
+       scr = wScreenForWindow(event->window);
+       if (scr) {
+               /* generic client messages */
+               if (event->message_type == net_current_desktop) {
+                       wWorkspaceChange(scr, event->data.l[0]);
+               } else if (event->message_type == net_number_of_desktops) {
+                       long value;
+
+                       value = event->data.l[0];
+                       if (value > scr->workspace_count) {
+                               wWorkspaceMake(scr, value - scr->workspace_count);
+                       } else if (value < scr->workspace_count) {
+                               int i;
+                               Bool rebuild = False;
+
+                               for (i = scr->workspace_count - 1; i >= value; i--) {
+                                       if (!wWorkspaceDelete(scr, i)) {
+                                               rebuild = True;
+                                               break;
+                                       }
+                               }
+
+                               if (rebuild) {
+                                       updateWorkspaceCount(scr);
+                               }
+                       }
+               } else if (event->message_type == net_showing_desktop) {
+                       wNETWMShowingDesktop(scr, event->data.l[0]);
+#ifdef VIRTUAL_DESKTOP
+               } else if (event->message_type == net_desktop_viewport) {
+                       wWorkspaceSetViewport(scr, scr->current_workspace, event->data.l[0], event->data.l[1]);
+#endif
+               } else if (event->message_type == net_desktop_names) {
+                       handleDesktopNames(event, scr);
+               } else {
+                       done = False;
+               }
+
+               if (done)
+                       return True;
+       }
+
+       /* window specific client messages */
+
+       wwin = wWindowFor(event->window);
+       if (!wwin)
+               return False;
+
+       if (event->message_type == net_active_window) {
+               wNETWMShowingDesktop(scr, False);
+               wMakeWindowVisible(wwin);
+       } else if (event->message_type == net_close_window) {
+               if (!WFLAGP(wwin, no_closable)) {
+                       if (wwin->protocols.DELETE_WINDOW)
+                               wClientSendProtocol(wwin, _XA_WM_DELETE_WINDOW, LastTimestamp);
+               }
+       } else if (event->message_type == net_wm_state) {
+               int maximized = wwin->flags.maximized;
+               long set = event->data.l[0];
+
+#ifdef DEBUG_WMSPEC
+               printf("net_wm_state set %d a1 %s a2 %s\n", set,
+                      XGetAtomName(dpy, event->data.l[1]), XGetAtomName(dpy, event->data.l[2]));
+#endif
+
+               doStateAtom(wwin, (Atom) event->data.l[1], set, False);
+               if (event->data.l[2])
+                       doStateAtom(wwin, (Atom) event->data.l[2], set, False);
+
+               if (wwin->flags.maximized != maximized) {
+                       if (!wwin->flags.maximized) {
+                               wwin->flags.maximized = maximized;
+                               wUnmaximizeWindow(wwin);
+                       } else {
+                               wMaximizeWindow(wwin, wwin->flags.maximized);
+                       }
+               }
+               updateStateHint(wwin, False, False);
+       } else if (event->message_type == net_wm_handled_icons || event->message_type == net_wm_icon_geometry) {
+               updateNetIconInfo(wwin);
+       } else if (event->message_type == net_wm_desktop) {
+               long desktop = event->data.l[0];
+               if (desktop == -1) {
+                       wWindowSetOmnipresent(wwin, True);
+               } else {
+                       if (IS_OMNIPRESENT(wwin))
+                               wWindowSetOmnipresent(wwin, False);
+                       wWindowChangeWorkspace(wwin, desktop);
+               }
+       } else if (event->message_type == net_wm_icon) {
+               updateIconImage(scr, wwin);
+       } else {
+               done = False;
+       }
+
+       return done;
+}
+
+Bool wNETWMCheckClientHintChange(WWindow * wwin, XPropertyEvent * event)
+{
+       Bool ret = True;
+
+       if (event->atom == net_wm_strut) {
+               updateStrut(wwin, False);
+               updateStrut(wwin, True);
+               wScreenUpdateUsableArea(wwin->screen_ptr);
+       } else if (event->atom == net_wm_handled_icons || event->atom == net_wm_icon_geometry) {
+               updateNetIconInfo(wwin);
+       } else if (event->atom == net_wm_window_type) {
+               updateWindowType(wwin);
+       } else if (event->atom == net_wm_name) {
+               char *name = wNETWMGetWindowName(wwin->client_win);
+               wWindowUpdateName(wwin, name);
+               if (name)
+                       wfree(name);
+       } else if (event->atom == net_wm_icon_name) {
+               if (wwin->icon) {
+                       char *name = wNETWMGetIconName(wwin->client_win);
+                       wIconChangeTitle(wwin->icon, name);
+               }
+       } else {
+               ret = False;
+       }
+
+       return ret;
+}
+
+int wNETWMGetPidForWindow(Window window)
+{
+       Atom type_ret;
+       int fmt_ret;
+       unsigned long nitems_ret;
+       unsigned long bytes_after_ret;
+       long *data = 0;
+       int pid;
+
+       if (XGetWindowProperty(dpy, window, net_wm_pid, 0, 1, False,
+                              XA_CARDINAL, &type_ret, &fmt_ret, &nitems_ret,
+                              &bytes_after_ret, (unsigned char **)&data) == Success && data) {
+
+               pid = *data;
+               XFree(data);
+       } else {
+               pid = 0;
+       }
+
+       return pid;
+}
+
+char *wNETWMGetWindowName(Window window)
+{
+       char *name;
+       char *ret;
+       int size;
+
+       name = (char *)PropGetCheckProperty(window, net_wm_name, utf8_string, 0, 0, &size);
+       if (name) {
+               ret = wstrndup(name, size);
+               XFree(name);
+       } else
+               ret = NULL;
+       return ret;
+}
+
+char *wNETWMGetIconName(Window window)
+{
+       char *name;
+       char *ret;
+       int size;
+
+       name = (char *)PropGetCheckProperty(window, net_wm_icon_name, utf8_string, 0, 0, &size);
+       if (name) {
+               ret = wstrndup(name, size);
+               XFree(name);
+       } else
+               ret = NULL;
+       return ret;
+}
+
+static void observer(void *self, WMNotification * notif)
+{
+       WWindow *wwin = (WWindow *) WMGetNotificationObject(notif);
+       const char *name = WMGetNotificationName(notif);
+       void *data = WMGetNotificationClientData(notif);
+       NetData *ndata = (NetData *) self;
+
+       if (strcmp(name, WMNManaged) == 0 && wwin) {
+               updateClientList(wwin->screen_ptr);
+               updateClientListStacking(wwin->screen_ptr, NULL);
+               updateStateHint(wwin, True, False);
+
+               updateStrut(wwin, False);
+               updateStrut(wwin, True);
+               wScreenUpdateUsableArea(wwin->screen_ptr);
+       } else if (strcmp(name, WMNUnmanaged) == 0 && wwin) {
+               updateClientList(wwin->screen_ptr);
+               updateClientListStacking(wwin->screen_ptr, wwin);
+               updateWorkspaceHint(wwin, False, True);
+               updateStateHint(wwin, False, True);
+               wNETWMUpdateActions(wwin, True);
+
+               updateStrut(wwin, False);
+               wScreenUpdateUsableArea(wwin->screen_ptr);
+       } else if (strcmp(name, WMNResetStacking) == 0 && wwin) {
+               updateClientListStacking(wwin->screen_ptr, NULL);
+               updateStateHint(wwin, False, False);
+       } else if (strcmp(name, WMNChangedStacking) == 0 && wwin) {
+               updateClientListStacking(wwin->screen_ptr, NULL);
+               updateStateHint(wwin, False, False);
+       } else if (strcmp(name, WMNChangedFocus) == 0) {
+               updateFocusHint(ndata->scr, wwin);
+       } else if (strcmp(name, WMNChangedWorkspace) == 0 && wwin) {
+               updateWorkspaceHint(wwin, False, False);
+               updateStateHint(wwin, True, False);
+       } else if (strcmp(name, WMNChangedState) == 0 && wwin) {
+               updateStateHint(wwin, !strcmp(data, "omnipresent"), False);
+       }
+}
+
+static void wsobserver(void *self, WMNotification * notif)
+{
+       WScreen *scr = (WScreen *) WMGetNotificationObject(notif);
+       const char *name = WMGetNotificationName(notif);
+
+       if (strcmp(name, WMNWorkspaceCreated) == 0) {
+               updateWorkspaceCount(scr);
+               updateWorkspaceNames(scr);
+       } else if (strcmp(name, WMNWorkspaceDestroyed) == 0) {
+               updateWorkspaceCount(scr);
+               updateWorkspaceNames(scr);
+       } else if (strcmp(name, WMNWorkspaceChanged) == 0) {
+               updateCurrentWorkspace(scr);
+       } else if (strcmp(name, WMNWorkspaceNameChanged) == 0) {
+               updateWorkspaceNames(scr);
+       }
+}
+
+#endif                         /* NETWM_HINTS */