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 cfg_reinitialize(void) {
int i;
#ifdef USE_XFT
int xft = xftfont ? 1 : 0;
#endif
/* free things from old configuration */
XFreeGC(dpy, gc);
XFreeGC(dpy, igc);
XFreeGC(dpy, bgc);
XFreeGC(dpy, ibgc);
keys_free();
/* read config again */
cfg_read(0);
/* update some things */
p_attr.background_pixel = fg.pixel;
p_attr.border_pixel = ibfg.pixel;
select_root_events();
/* update clients */
for(i = 0; i < cn; i++) {
#ifdef USE_XFT
if(xftfont && !xft)
clients[i]->wlist_draw = XftDrawCreate(dpy, clients[i]->wlist_item, visual, colormap);
if(!xftfont && xft) {
XftDrawDestroy(clients[i]->title_draw);
XftDrawDestroy(clients[i]->wlist_draw);
}
#endif
XDestroyWindow(dpy, clients[i]->button_parent_left);
XDestroyWindow(dpy, clients[i]->button_parent_right);
free((void *) clients[i]->buttons);
clients[i]->flags ^= clients[i]->flags & HAS_BUTTONS;
buttons_create(clients[i]); /* buttons are now on top of the client window */
XRaiseWindow(dpy, clients[i]->window); /* hence this line */
client_update(clients[i]);
client_update_name(clients[i]);
(clients[i] == current) ? client_set_bg(clients[i], bg, fg) : client_set_bg(clients[i], ibg, ifg);
if(clients[i]->flags & IS_TASKBAR)
client_set_layer(clients[i], taskbar_ontop ? TOP : NORMAL);
XUngrabButton(dpy, AnyButton, AnyModifier, clients[i]->parent);
client_grab_buttons(clients[i]);
if(clients[i]->flags & FULLSCREEN && clients[i]->layer <= NORMAL && fullscreen_stacking != FS_NORMAL)
client_update_layer(clients[i], (fullscreen_stacking == FS_ALWAYS_ONTOP) ? NORMAL : TOP);
if(clients[i]->flags & HAS_BORDER)
XSetWindowBorderWidth(dpy, clients[i]->parent, border_width);
ewmh_update_extents(clients[i]);
}
ewmh_update_number_of_desktops();
ewmh_update_geometry();
ewmh_update_strut();
}
/** Return window struts (reserved space at the edge of the screen).
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_struts(lua_State *L)
{
window_t *window = luaA_checkudata(L, 1, &window_class);
if(lua_gettop(L) == 2)
{
luaA_tostrut(L, 2, &window->strut);
ewmh_update_strut(window->window, &window->strut);
luaA_object_emit_signal(L, 1, "property::struts", 0);
/* We don't know the correct screen, update them all */
foreach(s, globalconf.screens)
screen_update_workarea(*s);
}
return luaA_pushstrut(L, window->strut);
}
/** Return window struts (reserved space at the edge of the screen).
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
static int
luaA_window_struts(lua_State *L)
{
window_t *window = luaA_checkudata(L, 1, &window_class);
if(lua_gettop(L) == 2)
{
luaA_tostrut(L, 2, &window->strut);
ewmh_update_strut(window->window, &window->strut);
luaA_object_emit_signal(L, 1, "property::struts", 0);
/* FIXME: Only emit if the workarea actually changed
* (= window is visible, only on the right screen)? */
foreach(s, globalconf.screens)
screen_emit_signal(L, s, "property::workarea", 0);
}
return luaA_pushstrut(L, window->strut);
}
void screens_get(void) {
#if defined(USE_XINERAMA) || defined(DEBUG)
int i;
#endif
#ifdef USE_XINERAMA
int event, error;
XineramaScreenInfo *screeninfo;
if(XineramaQueryExtension(dpy, &event, &error)) {
screeninfo = XineramaQueryScreens(dpy, &nscreens);
if(nscreens) {
screens = _realloc((void *) screens, nscreens * sizeof(screen_dimensions));
for(i = 0; i < nscreens; i++) {
screens[i].x = screeninfo[i].x_org;
screens[i].y = screeninfo[i].y_org;
screens[i].width = screeninfo[i].width;
screens[i].height = screeninfo[i].height;
}
XFree((void *) screeninfo);
goto ok;
}
}
#endif
nscreens = 1;
screens = _realloc(screens, sizeof(screen_dimensions));
screens[0].x = 0;
screens[0].y = 0;
screens[0].width = XDisplayWidth(dpy, screen);
screens[0].height = XDisplayHeight(dpy, screen);
ok:
screens_update_current();
ewmh_update_geometry();
ewmh_update_strut();
if(wlist_screen > nscreens)
wlist_screen = nscreens - 1;
#ifdef DEBUG
printf(NAME ": screens_get(): loaded screen info\n");
for(i = 0; i < nscreens; i++)
printf("\tscreen %i: %ix%i+%i+%i\n", i, screens[i].width, screens[i].height, screens[i].x, screens[i].y);
#endif
}
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;
}