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ewmh.c
456 lines (437 loc) · 20 KB
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ewmh.c
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#include "matwm.h"
Atom ewmh_atoms[EWMH_ATOM_COUNT];
void ewmh_initialize(void) {
Atom rt;
int rf;
unsigned long nir, bar;
unsigned char *p;
long d;
ewmh_atoms[NET_SUPPORTED] = XInternAtom(dpy, "_NET_SUPPORTED", False);
ewmh_atoms[NET_SUPPORTING_WM_CHECK] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
ewmh_atoms[NET_WM_NAME] = XInternAtom(dpy, "_NET_WM_NAME", False);
ewmh_atoms[NET_NUMBER_OF_DESKTOPS] = XInternAtom(dpy, "_NET_NUMBER_OF_DESKTOPS", False);
ewmh_atoms[NET_DESKTOP_GEOMETRY] = XInternAtom(dpy, "_NET_DESKTOP_GEOMETRY", False);
ewmh_atoms[NET_DESKTOP_VIEWPORT] = XInternAtom(dpy, "_NET_DESKTOP_VIEWPORT", False);
ewmh_atoms[NET_WORKAREA] = XInternAtom(dpy, "_NET_WORKAREA", False);
ewmh_atoms[NET_WM_STRUT] = XInternAtom(dpy, "_NET_WM_STRUT", False);
ewmh_atoms[NET_WM_STRUT_PARTIAL] = XInternAtom(dpy, "_NET_WM_STRUT_PARTIAL", False);
ewmh_atoms[NET_CURRENT_DESKTOP] = XInternAtom(dpy, "_NET_CURRENT_DESKTOP", False);
ewmh_atoms[NET_DESKTOP_NAMES] = XInternAtom(dpy, "_NET_DESKTOP_NAMES", False);
ewmh_atoms[NET_WM_DESKTOP] = XInternAtom(dpy, "_NET_WM_DESKTOP", False);
ewmh_atoms[NET_CLIENT_LIST] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
ewmh_atoms[NET_CLIENT_LIST_STACKING] = XInternAtom(dpy, "_NET_CLIENT_LIST_STACKING", False);
ewmh_atoms[NET_ACTIVE_WINDOW] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
ewmh_atoms[NET_WM_STATE] = XInternAtom(dpy, "_NET_WM_STATE", False);
ewmh_atoms[NET_WM_STATE_FULLSCREEN] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
ewmh_atoms[NET_WM_STATE_MAXIMIZED_HORZ] = XInternAtom(dpy, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
ewmh_atoms[NET_WM_STATE_MAXIMIZED_VERT] = XInternAtom(dpy, "_NET_WM_STATE_MAXIMIZED_VERT", False);
ewmh_atoms[NET_WM_STATE_ABOVE] = XInternAtom(dpy, "_NET_WM_STATE_ABOVE", False);
ewmh_atoms[NET_WM_STATE_BELOW] = XInternAtom(dpy, "_NET_WM_STATE_BELOW", False);
ewmh_atoms[NET_CLOSE_WINDOW] = XInternAtom(dpy, "_NET_CLOSE_WINDOW", False);
ewmh_atoms[NET_WM_WINDOW_TYPE] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
ewmh_atoms[NET_WM_WINDOW_TYPE_DESKTOP] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
ewmh_atoms[NET_WM_WINDOW_TYPE_DOCK] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DOCK", False);
ewmh_atoms[NET_WM_ALLOWED_ACTIONS] = XInternAtom(dpy, "_NET_WM_ALLOWED_ACTIONS", False);
ewmh_atoms[NET_WM_ACTION_MINIMIZE] = XInternAtom(dpy, "_NET_WM_ACTION_MINIMIZE", False);
ewmh_atoms[NET_WM_ACTION_CLOSE] = XInternAtom(dpy, "_NET_WM_ACTION_CLOSE", False);
ewmh_atoms[NET_WM_ACTION_MAXIMIZE_HORZ] = XInternAtom(dpy, "_NET_WM_ACTION_MAXIMIZE_HORZ", False);
ewmh_atoms[NET_WM_ACTION_MAXIMIZE_VERT] = XInternAtom(dpy, "_NET_WM_ACTION_MAXIMIZE_VERT", False);
ewmh_atoms[NET_WM_ACTION_FULLSCREEN] = XInternAtom(dpy, "_NET_WM_ACTION_FULLSCREEN", False);
ewmh_atoms[NET_WM_ACTION_MOVE] = XInternAtom(dpy, "_NET_WM_ACTION_MOVE", False);
ewmh_atoms[NET_WM_ACTION_RESIZE] = XInternAtom(dpy, "_NET_WM_ACTION_RESIZE", False);
ewmh_atoms[NET_WM_ACTION_ABOVE] = XInternAtom(dpy, "_NET_WM_ACTION_ABOVE", False);
ewmh_atoms[NET_WM_ACTION_BELOW] = XInternAtom(dpy, "_NET_WM_ACTION_BELOW", False);
ewmh_atoms[NET_WM_ACTION_CHANGE_DESKTOP] = XInternAtom(dpy, "_NET_WM_ACTION_CHANGE_DESKTOP", False);
ewmh_atoms[NET_WM_MOVERESIZE] = XInternAtom(dpy, "_NET_WM_MOVERESIZE", False);
ewmh_atoms[NET_RESTACK_WINDOW] = XInternAtom(dpy, "_NET_RESTACK_WINDOW", False);
ewmh_atoms[NET_FRAME_EXTENTS] = XInternAtom(dpy, "_NET_FRAME_EXTENTS", False);
ewmh_atoms[NET_REQUEST_FRAME_EXTENTS] = XInternAtom(dpy, "_NET_REQUEST_FRAME_EXTENTS", False);
ewmh_atoms[NET_SHOWING_DESKTOP] = XInternAtom(dpy, "_NET_SHOWING_DESKTOP", False);
ewmh_atoms[KDE_NET_WM_WINDOW_TYPE_OVERRIDE] = XInternAtom(dpy, "_KDE_NET_WM_WINDOW_TYPE_OVERRIDE", False);
if(XGetWindowProperty(dpy, root, ewmh_atoms[NET_CURRENT_DESKTOP], 0, 1, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) == Success) {
if(nir) {
d = *(long *) p; /* if we would just pass &d to XGetWindowProperty we break strict aliasing rules */
if(d >= dc)
d = dc - 1;
if(d < 0)
d = 0;
desktop_goto(d);
}
XFree((void *) p);
}
}
void ewmh_update(void) {
long vp[] = {0, 0};
XChangeProperty(dpy, root, ewmh_atoms[NET_SUPPORTED], XA_ATOM, 32, PropModeReplace, (unsigned char *) &ewmh_atoms, EWMH_ATOM_COUNT);
XChangeProperty(dpy, root, ewmh_atoms[NET_SUPPORTING_WM_CHECK], XA_WINDOW, 32, PropModeReplace, (unsigned char *) &wlist, 1);
XChangeProperty(dpy, wlist, ewmh_atoms[NET_SUPPORTING_WM_CHECK], XA_WINDOW, 32, PropModeReplace, (unsigned char *) &wlist, 1);
XChangeProperty(dpy, wlist, ewmh_atoms[NET_WM_NAME], XA_STRING, 8, PropModeReplace, (unsigned char *) NAME, strlen(NAME));
XChangeProperty(dpy, root, ewmh_atoms[NET_DESKTOP_VIEWPORT], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &vp, 2);
XDeleteProperty(dpy, root, ewmh_atoms[NET_DESKTOP_NAMES]);
ewmh_update_number_of_desktops();
ewmh_set_desktop(desktop);
ewmh_update_geometry();
ewmh_update_showing_desktop();
}
bool ewmh_handle_event(XEvent *ev) {
client *c;
int i, j, xo, yo;
long extents[4];
Atom rt;
int rf;
unsigned long nir, bar;
switch(ev->type) {
case ClientMessage:
c = owner(ev->xclient.window);
if(ev->xclient.message_type == ewmh_atoms[NET_WM_MOVERESIZE]) {
if(c) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_WM_MOVERESIZE\n");
#endif
if(ev->xclient.data.l[2] == NET_WM_MOVERESIZE_MOVE || ev->xclient.data.l[2] == NET_WM_MOVERESIZE_MOVE_KEYBOARD) {
client_focus(c, true);
xo = client_width_total_intern(c) / 2;
yo = client_height_total_intern(c) / 2;
XWarpPointer(dpy, None, c->parent, 0, 0, 0, 0, xo, yo);
drag_start(A_MOVE, AnyButton, client_x(c) + xo, client_y(c) + yo);
}
if(ev->xclient.data.l[2] == NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT || ev->xclient.data.l[2] == NET_WM_MOVERESIZE_SIZE_KEYBOARD) {
client_focus(c, true);
drag_start(A_RESIZE, AnyButton, ev->xclient.data.l[0], ev->xclient.data.l[1]);
}
}
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_CLOSE_WINDOW]) {
if(c) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_CLOSE_WINDOW\n");
#endif
delete_window(c);
}
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_ACTIVE_WINDOW]) {
if(c) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_ACTIVE_WINDOW\n");
#endif
if(c->flags & ICONIC)
client_restore(c);
else {
if(c->desktop != desktop && c->desktop != STICKY)
desktop_goto(c->desktop);
client_raise(c);
}
if(evh != wlist_handle_event)
client_focus(c, true);
}
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_RESTACK_WINDOW]) {
if(c && ev->xclient.data.l[1] == None) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_RESTACK_WINDOW\n");
#endif
client_raise(c);
}
/* schould also add code for handling this when a sibling window is passed */
/* but we schould find/create a way to test this first */
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_WM_STATE]) {
if(c) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_WM_STATE\n");
#endif
j = 0;
for(i = 1; i < 3; i++) {
if(((Atom) ev->xclient.data.l[i]) == ewmh_atoms[NET_WM_STATE_MAXIMIZED_HORZ])
j |= MAXIMIZED_L | MAXIMIZED_R;
if(((Atom) ev->xclient.data.l[i]) == ewmh_atoms[NET_WM_STATE_MAXIMIZED_VERT])
j |= MAXIMIZED_T | MAXIMIZED_B;
}
if(j)
client_toggle_state(c, j);
if(((Atom) ev->xclient.data.l[1]) == ewmh_atoms[NET_WM_STATE_FULLSCREEN] && (ev->xclient.data.l[0] == NET_WM_STATE_TOGGLE || (ev->xclient.data.l[0] == NET_WM_STATE_ADD && !(c->flags & FULLSCREEN)) || (ev->xclient.data.l[0] == NET_WM_STATE_REMOVE && (c->flags & FULLSCREEN))))
client_fullscreen(c);
if(((Atom) ev->xclient.data.l[1]) == ewmh_atoms[NET_WM_STATE_ABOVE]) {
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_ADD])
client_set_layer(c, TOP);
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_REMOVE] && c->layer == TOP)
client_set_layer(c, NORMAL);
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_TOGGLE])
client_set_layer(c, (c->layer == TOP) ? NORMAL : TOP);
}
if(((Atom) ev->xclient.data.l[1]) == ewmh_atoms[NET_WM_STATE_BELOW]) {
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_ADD])
client_set_layer(c, BOTTOM);
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_REMOVE] && c->layer == BOTTOM)
client_set_layer(c, NORMAL);
if(((Atom) ev->xclient.data.l[0]) == ewmh_atoms[NET_WM_STATE_TOGGLE])
client_set_layer(c, (c->layer == BOTTOM) ? NORMAL : BOTTOM);
}
return true;
}
}
if(ev->xclient.message_type == ewmh_atoms[NET_CURRENT_DESKTOP]) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_CURRENT_DESKTOP\n");
#endif
desktop_goto(ev->xclient.data.l[0]);
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_WM_DESKTOP]) {
if(c && ev->xclient.data.l[0] >= STICKY) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_WM_DESKTOP\n");
#endif
client_to_desktop(c, (ev->xclient.data.l[0] <= dc) ? ev->xclient.data.l[0] : dc - 1);
}
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_REQUEST_FRAME_EXTENTS]) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_REQUEST_FRAME_EXTENTS\n");
#endif
extents[0] = border_width;
extents[1] = border_width;
extents[2] = border_width + title_height;
extents[3] = border_width;
XChangeProperty(dpy, ev->xclient.window, ewmh_atoms[NET_FRAME_EXTENTS], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &extents, 4);
return true;
}
if(ev->xclient.message_type == ewmh_atoms[NET_SHOWING_DESKTOP]) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling ClientMessage event\n\tatom: _NET_SHOWING_DESKTOP\n");
#endif
client_iconify_all();
return true;
}
break;
case PropertyNotify:
if(ev->xproperty.atom == ewmh_atoms[NET_WM_STRUT_PARTIAL] || ev->xproperty.atom == ewmh_atoms[NET_WM_STRUT]) {
#ifdef DEBUG_EVENTS
printf(NAME ": ewmh_handle_event(): handling PropertyNotify event (_NET_WM_STRUT or _NET_WM_STRUT_PARTIAL changed)\n");
#endif
ewmh_update_strut();
return true;
}
c = owner(ev->xproperty.window);
if(c && ev->xproperty.atom == ewmh_atoms[NET_WM_NAME]) {
if(XGetWindowProperty(dpy, c->window, ewmh_atoms[NET_WM_NAME], 0, 1024, False, xa_utf8_string, &rt, &rf, &nir, &bar, (unsigned char **) &c->ewmh_name) != Success)
c->ewmh_name = NULL;
else client_update_name(c);
return true;
}
break;
}
return false;
}
void ewmh_get_hints(client *c) {
Atom rt, data;
int rf;
unsigned long nir, bar;
unsigned char *p;
long d;
if(XGetWindowProperty(dpy, c->window, ewmh_atoms[NET_WM_DESKTOP], 0, 1, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) == Success) {
if(nir) {
d = *(long *) p; /* if we would just pass &d to XGetWindowProperty we break strict aliasing rules */
if(d < STICKY)
c->desktop = 0;
else if(d >= dc)
c->desktop = dc - 1;
else c->desktop = d;
}
XFree((void *) p);
}
if(XGetWindowProperty(dpy, c->window, ewmh_atoms[NET_WM_STATE], 0, 1, False, XA_ATOM, &rt, &rf, &nir, &bar, (unsigned char **) &p) == Success) {
if(nir) {
data = *(Atom *) p; /* if we would just pass &data to XGetWindowProperty we break strict aliasing rules */
if(data == ewmh_atoms[NET_WM_STATE_FULLSCREEN])
c->flags |= FULLSCREEN;
if(data == ewmh_atoms[NET_WM_STATE_ABOVE])
c->layer = TOP;
if(data == ewmh_atoms[NET_WM_STATE_BELOW])
c->layer = BOTTOM;
}
XFree((void *) p);
}
if(XGetWindowProperty(dpy, c->window, ewmh_atoms[NET_WM_WINDOW_TYPE], 0, 1, False, XA_ATOM, &rt, &rf, &nir, &bar, (unsigned char **) &p) == Success) {
while(nir) {
data = *(Atom *) p; /* if we would just pass &data to XGetWindowProperty we break strict aliasing rules */
if(data == ewmh_atoms[NET_WM_WINDOW_TYPE_DESKTOP]) {
c->flags ^= c->flags & (CAN_MOVE | CAN_RESIZE | HAS_BORDER | HAS_TITLE);
c->flags |= NO_STRUT | DONT_LIST | FULLSCREEN | CLICK_FOCUS | DESKTOP_LOCKED;
c->layer = DESKTOP;
c->desktop = STICKY;
c->screen = ewmh_screen;
}
if(data == ewmh_atoms[NET_WM_WINDOW_TYPE_DOCK]) {
c->flags ^= c->flags & (CAN_MOVE | CAN_RESIZE | HAS_BORDER | HAS_TITLE);
c->flags |= NO_STRUT | DONT_LIST | DONT_FOCUS | DESKTOP_LOCKED | IS_TASKBAR;
c->desktop = STICKY;
c->screen = ewmh_screen;
if(taskbar_ontop)
c->layer = TOP;
}
if(data == ewmh_atoms[KDE_NET_WM_WINDOW_TYPE_OVERRIDE])
c->flags |= DONT_LIST | NO_STRUT;
data++;
nir--;
}
XFree((void *) p);
}
if(XGetWindowProperty(dpy, c->window, ewmh_atoms[NET_WM_NAME], 0, 1024, False, xa_utf8_string, &rt, &rf, &nir, &bar, (unsigned char **) &c->ewmh_name) != Success)
c->ewmh_name = NULL;
}
void ewmh_update_extents(client *c) {
long extents[4];
extents[0] = client_border(c);
extents[1] = client_border(c);
extents[2] = client_border(c) + client_title(c);
extents[3] = client_border(c);
XChangeProperty(dpy, c->window, ewmh_atoms[NET_FRAME_EXTENTS], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &extents, 4);
}
void ewmh_update_geometry(void) {
long ds[2];
int scr = (ewmh_screen < nscreens) ? ewmh_screen : nscreens - 1;
ds[0] = screens[scr].width - screens[scr].x;
ds[1] = screens[scr].height - screens[scr].y;
XChangeProperty(dpy, root, ewmh_atoms[NET_DESKTOP_GEOMETRY], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &ds, 2);
}
void ewmh_update_number_of_desktops(void) {
XChangeProperty(dpy, root, ewmh_atoms[NET_NUMBER_OF_DESKTOPS], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &dc, 1);
}
void ewmh_update_desktop(client *c) {
XChangeProperty(dpy, c->window, ewmh_atoms[NET_WM_DESKTOP], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &c->desktop, 1);
}
void ewmh_set_desktop(int d) {
XChangeProperty(dpy, root, ewmh_atoms[NET_CURRENT_DESKTOP], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &d, 1);
}
void ewmh_set_active(client *c) {
Window aw = c ? c->window : None;
XChangeProperty(dpy, root, ewmh_atoms[NET_ACTIVE_WINDOW], XA_WINDOW, 32, PropModeReplace, (unsigned char *) &aw, 1);
}
void ewmh_update_allowed_actions(client *c) {
int nactions = 3;
Atom actions[12];
actions[0] = ewmh_atoms[NET_WM_ACTION_CLOSE];
actions[1] = ewmh_atoms[NET_WM_ACTION_ABOVE];
actions[2] = ewmh_atoms[NET_WM_ACTION_BELOW];
if(c->flags & CAN_MOVE && c->flags & CAN_RESIZE) {
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_MAXIMIZE_HORZ];
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_MAXIMIZE_VERT];
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_FULLSCREEN];
}
if(c->flags & CAN_MOVE)
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_MOVE];
if(c->flags & CAN_RESIZE)
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_RESIZE];
if(!(c->flags & DONT_LIST))
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_MINIMIZE];
if(!(c->flags & DESKTOP_LOCKED))
actions[nactions++] = ewmh_atoms[NET_WM_ACTION_CHANGE_DESKTOP];
XChangeProperty(dpy, c->window, ewmh_atoms[NET_WM_ALLOWED_ACTIONS], XA_ATOM, 32, PropModeReplace, (unsigned char *) &actions, nactions);
}
void ewmh_update_state(client *c) {
int statec = 0;
Atom state[12];
if(c->flags & MAXIMIZED_L && c->flags & MAXIMIZED_R)
state[statec++] = ewmh_atoms[NET_WM_STATE_MAXIMIZED_HORZ];
if(c->flags & MAXIMIZED_T && c->flags & MAXIMIZED_B)
state[statec++] = ewmh_atoms[NET_WM_STATE_MAXIMIZED_VERT];
if(c->flags & FULLSCREEN)
state[statec++] = ewmh_atoms[NET_WM_STATE_FULLSCREEN];
if(client_layer(c) <= TOP)
state[statec++] = ewmh_atoms[NET_WM_STATE_ABOVE];
if(client_layer(c) >= BOTTOM)
state[statec++] = ewmh_atoms[NET_WM_STATE_BELOW];
XChangeProperty(dpy, c->window, ewmh_atoms[NET_WM_STATE], XA_ATOM, 32, PropModeReplace, (unsigned char *) &state, statec);
}
void ewmh_update_stacking(void) {
int i, n = 0;
Window *data = _malloc(cn * sizeof(Window));
for(i = cn - 1; i >= 0; i--)
if(!(stacking[i]->flags & DONT_LIST))
data[n++] = stacking[i]->window;
XChangeProperty(dpy, root, ewmh_atoms[NET_CLIENT_LIST_STACKING], XA_WINDOW, 32, PropModeReplace, (unsigned char *) data, n);
free(data);
}
void ewmh_update_clist(void) {
int i, n = 0;
Window *data = _malloc(cn * sizeof(Window));
for(i = cn - 1; i >= 0; i--)
if(!(clients[i]->flags & DONT_LIST))
data[n++] = clients[i]->window;
XChangeProperty(dpy, root, ewmh_atoms[NET_CLIENT_LIST], XA_WINDOW, 32, PropModeReplace, (unsigned char *) data, n);
free(data);
ewmh_update_stacking();
ewmh_update_strut();
}
void ewmh_update_strut(void) {
Atom rt;
int i, j, rf, scr;
unsigned long nir, bar;
long workarea[16], *data;
unsigned char *p;
for(i = 0; i < nscreens; i++)
for(j = 0; j < 4; j++)
screens[i].ewmh_strut[j] = 0;
for(i = 0; i < cn; i++) {
client_update_screen(clients[i]);
if(XGetWindowProperty(dpy, clients[i]->window, ewmh_atoms[NET_WM_STRUT_PARTIAL], 0, 4, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) != Success || nir < 4)
if(XGetWindowProperty(dpy, clients[i]->window, ewmh_atoms[NET_WM_STRUT], 0, 4, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) != Success || nir < 4)
continue;
data = (long *) p;
if(data[0])
screens[clients[i]->screen].ewmh_strut[0] += data[0] - (screens_leftmost() + screens[clients[i]->screen].x);
if(data[1])
screens[clients[i]->screen].ewmh_strut[1] += data[1] - (screens_rightmost() - (screens[clients[i]->screen].x + screens[clients[i]->screen].width));
if(data[2])
screens[clients[i]->screen].ewmh_strut[2] += data[2] - (screens_topmost() + screens[clients[i]->screen].y);
if(data[3])
screens[clients[i]->screen].ewmh_strut[3] += data[3] - (screens_bottom() - (screens[clients[i]->screen].y + screens[clients[i]->screen].height));
XFree((void *) p);
}
/* This is the old code, i have no idea what i was thinking back then.
scr = (ewmh_screen < nscreens) ? ewmh_screen : nscreens - 1;
workarea[0] = screens[scr].x + screens[scr].ewmh_strut[0];
workarea[1] = screens[scr].y + screens[scr].ewmh_strut[2];
workarea[2] = (screens[scr].width - screens[scr].x) - (screens[scr].ewmh_strut[0] + screens[scr].ewmh_strut[1]);
workarea[3] = (screens[scr].height - screens[scr].y) - (screens[scr].ewmh_strut[2] + screens[scr].ewmh_strut[3]);
*/
workarea[0] = 0;
workarea[1] = 0;
workarea[2] = 0;
workarea[3] = 0;
for (i = 0; i < nscreens; ++i) {
int x0 = screens[i].x + screens[i].ewmh_strut[0];
int y0 = screens[i].y + screens[i].ewmh_strut[2];
int x1 = x0 + screens[i].width - (screens[i].ewmh_strut[0] + screens[i].ewmh_strut[1]);
int y1 = y0 + screens[i].height - (screens[i].ewmh_strut[2] + screens[i].ewmh_strut[3]);
workarea[0] = ((workarea[0] < x0) ? workarea[0] : x0);
workarea[1] = ((workarea[1] < y0) ? workarea[1] : y0);
workarea[2] = ((workarea[2] > x1) ? workarea[2] : x1);
workarea[3] = ((workarea[3] > y1) ? workarea[3] : y1);
}
//printf("%d %d %d %d", screens[scr].x, screens[scr].y, screens[scr].width, screens[scr].height);
workarea[4] = workarea[0]; /* why 4 times? ask gnome developpers, this is the only way nautilus will listen to it */
workarea[5] = workarea[1];
workarea[6] = workarea[2];
workarea[7] = workarea[3];
workarea[8] = workarea[0];
workarea[9] = workarea[1];
workarea[10] = workarea[2];
workarea[11] = workarea[3];
workarea[12] = workarea[0];
workarea[13] = workarea[1];
workarea[14] = workarea[2];
workarea[15] = workarea[3];
XChangeProperty(dpy, root, ewmh_atoms[NET_WORKAREA], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &workarea, sizeof(workarea) / sizeof(long));
for(i = 0; i < cn; i++)
client_update(clients[i]);
}
void ewmh_update_showing_desktop(void) {
XChangeProperty(dpy, root, ewmh_atoms[NET_SHOWING_DESKTOP], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &all_iconic, 1);
}