void map_client(client_t *c)
{
XWindowAttributes attr;
strut_t s = { 0, 0, 0, 0 };
XWMHints *hints;
int btn, want_raise = 1;
XGrabServer(dpy);
XGetWindowAttributes(dpy, c->win, &attr);
collect_struts(c, &s);
if (attr.map_state == IsViewable) {
c->ignore_unmap++;
reparent(c, &s);
if (get_wm_state(c->win) == IconicState) {
c->ignore_unmap++;
XUnmapWindow(dpy, c->win);
} else {
set_wm_state(c, NormalState);
do_map(c, want_raise);
}
} else {
if ((hints = XGetWMHints(dpy, c->win))) {
if (hints->flags & StateHint)
set_wm_state(c, hints->initial_state);
XFree(hints);
} else {
set_wm_state(c, NormalState);
}
if (!init_geom(c, &s) && opt_imap) {
btn = sweep(c, map_curs, recalc_map, SWEEP_DOWN, &s);
if (btn == Button2)
btn = sweep(c, resize_curs, recalc_resize, SWEEP_UP, &s);
if (btn == Button3)
want_raise = 0;
}
#ifdef DEBUG
dump_geom(c, "set to");
dump_info(c);
#endif
reparent(c, &s);
if (get_wm_state(c->win) == NormalState)
do_map(c, want_raise);
}
XSync(dpy, False);
c->name = get_wm_name(c->win); // horrible kludge
XUngrabServer(dpy);
}
void remove_client(Client *c) {
Client *p;
LOG_DEBUG("remove_client() : Removing...\n");
if (!c || !c->xstuff) return;
XGrabServer(dpy);
ignore_xerror = 1;
/* ICCCM 4.1.3.1
* "When the window is withdrawn, the window manager will either
* change the state field's value to WithdrawnState or it will
* remove the WM_STATE property entirely."
* EWMH 1.3
* "The Window Manager should remove the property whenever a
* window is withdrawn but it should leave the property in
* place when it is shutting down." (both _NET_WM_DESKTOP and
* _NET_WM_STATE) */
if (c->remove) {
LOG_DEBUG("\tremove_client() : setting WithdrawnState\n");
set_wm_state(c, WithdrawnState);
XDeleteProperty(dpy, c->xstuff->window, xa_net_wm_desktop);
XDeleteProperty(dpy, c->xstuff->window, xa_net_wm_state);
}
ungravitate(c);
if (c->xstuff->screen)
XReparentWindow(dpy, c->xstuff->window, c->xstuff->screen->root, c->x, c->y);
XSetWindowBorderWidth(dpy, c->xstuff->window, c->old_border);
XRemoveFromSaveSet(dpy, c->xstuff->window);
if (c->xstuff->parent)
XDestroyWindow(dpy, c->xstuff->parent);
if (head_client == c) head_client = c->next;
else for (p = head_client; p && p->next; p = p->next)
if (p->next == c) p->next = c->next;
if (current == c)
current = NULL; /* an enter event should set this up again */
free(c->xstuff);
free(c);
#ifdef DEBUG
{
Client *pp;
int i = 0;
for (pp = head_client; pp; pp = pp->next)
i++;
LOG_DEBUG("\tremove_client() : free(), window count now %d\n", i);
}
#endif
XUngrabServer(dpy);
XFlush(dpy);
ignore_xerror = 0;
LOG_DEBUG("remove_client() returning\n");
}
void del_client(client_t *c, int mode)
{
client_t *p;
XGrabServer(dpy);
XSetErrorHandler(ignore_xerror);
#ifdef DEBUG
dump_name(c, "removing", 'r');
dump_removal(c, mode);
#endif
if (mode == DEL_WITHDRAW) {
set_wm_state(c, WithdrawnState);
} else /* mode == DEL_REMAP */ {
if (c->zoomed) {
c->geom.x = c->save.x;
c->geom.y = c->save.y;
c->geom.w = c->save.w;
c->geom.h = c->save.h;
XResizeWindow(dpy, c->win, c->geom.w, c->geom.h);
}
XMapWindow(dpy, c->win);
}
remove_atom(root, net_client_list, XA_WINDOW, c->win);
remove_atom(root, net_client_stack, XA_WINDOW, c->win);
XSetWindowBorderWidth(dpy, c->win, c->old_bw);
#ifdef XFT
if (c->xftdraw)
XftDrawDestroy(c->xftdraw);
#endif
XReparentWindow(dpy, c->win, root, c->geom.x, c->geom.y);
XRemoveFromSaveSet(dpy, c->win);
XDestroyWindow(dpy, c->frame);
if (head == c)
head = c->next;
else for (p = head; p && p->next; p = p->next)
if (p->next == c)
p->next = c->next;
if (c->name) XFree(c->name);
free(c);
XSync(dpy, False);
XSetErrorHandler(handle_xerror);
XUngrabServer(dpy);
}
void remove_client(Client *c, int from_cleanup)
{
Client *p = NULL;
XGrabServer(dpy);
XSetErrorHandler(ignore_xerror);
if (c->name && c->name != null_str)
XFree(c->name);
if (from_cleanup)
unhide(c, NO_RAISE);
else if (!from_cleanup)
set_wm_state(c, WithdrawnState);
ungravitate(c);
XReparentWindow(dpy, c->window, root, c->x, c->y);
XRemoveFromSaveSet(dpy, c->window);
XSetWindowBorderWidth(dpy, c->window, 1);
XDestroyWindow(dpy, c->parent);
if (head_client == c)
head_client = c->next;
else {
for (p = head_client; p && p->next; p = p->next)
if (p->next == c) p->next = c->next;
}
if (c->size)
XFree(c->size);
/* an enter event should set this up again */
if (c == current) {
current = NULL;
if (prev_focused[c->vdesk] == c)
prev_focused[c->vdesk] = NULL;
}
free(c);
XSync(dpy, False);
XSetErrorHandler(handle_xerror);
XUngrabServer(dpy);
}
/** Changes the EWMH state of the window */
static void set_wm_state (vout_window_t *wnd, bool on, xcb_atom_t state)
{
vout_window_sys_t *sys = wnd->sys;
/* From EWMH "_WM_STATE" */
xcb_client_message_event_t ev = {
.response_type = XCB_CLIENT_MESSAGE,
.format = 32,
.window = wnd->handle.xid,
.type = sys->wm_state,
};
ev.data.data32[0] = on ? NET_WM_STATE_ADD : NET_WM_STATE_REMOVE;
ev.data.data32[1] = state;
ev.data.data32[2] = 0;
ev.data.data32[3] = 1;
/* From ICCCM "Changing Window State" */
xcb_send_event (sys->conn, 0, sys->root,
XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT,
(const char *)&ev);
}
static int Control (vout_window_t *wnd, int cmd, va_list ap)
{
vout_window_sys_t *p_sys = wnd->sys;
xcb_connection_t *conn = p_sys->conn;
switch (cmd)
{
case VOUT_WINDOW_SET_SIZE:
{
if (p_sys->embedded)
return VLC_EGENERIC;
unsigned width = va_arg (ap, unsigned);
unsigned height = va_arg (ap, unsigned);
const uint32_t values[] = { width, height, };
xcb_configure_window (conn, wnd->handle.xid,
XCB_CONFIG_WINDOW_WIDTH |
XCB_CONFIG_WINDOW_HEIGHT, values);
break;
}
case VOUT_WINDOW_SET_STATE:
{
unsigned state = va_arg (ap, unsigned);
bool above = (state & VOUT_WINDOW_STATE_ABOVE) != 0;
bool below = (state & VOUT_WINDOW_STATE_BELOW) != 0;
set_wm_state (wnd, above, p_sys->wm_state_above);
set_wm_state (wnd, below, p_sys->wm_state_below);
break;
}
case VOUT_WINDOW_SET_FULLSCREEN:
{
bool fs = va_arg (ap, int);
if (!fs && var_GetBool (wnd, "video-wallpaper"))
return VLC_EGENERIC;
set_wm_state (wnd, fs, p_sys->wm_state_fullscreen);
break;
}
default:
msg_Err (wnd, "request %d not implemented", cmd);
return VLC_EGENERIC;
}
xcb_flush (p_sys->conn);
return VLC_SUCCESS;
}
void make_new_client(Window w)
{
Client *c, *p;
XWindowAttributes attr;
long dummy;
XWMHints *hints;
XSizeHints* shints;
XGrabServer(dpy);
XSetErrorHandler(ignore_xerror);
hints = XGetWMHints(dpy, w);
shints = XAllocSizeHints();
XGetWMNormalHints(dpy, w, shints, &dummy);
c = (Client *)calloc(1, sizeof(Client));
c->next = head_client;
head_client = c;
c->window = w;
c->name = null_str;
/* try these here instead */
c->size = shints;
XClassHint* hint = XAllocClassHint();
XGetClassHint(dpy, w, hint);
if (hint->res_class) {
c->name = hint->res_class;
if (hint->res_name)
XFree(hint->res_name);
}
XFree(hint);
XGetWindowAttributes(dpy, c->window, &attr);
c->x = attr.x;
c->y = attr.y;
c->width = attr.width;
c->height = attr.height;
c->border = opt_bw;
c->oldw = c->oldh = 0;
c->vdesk = vdesk;
c->index = 0;
if (!(attr.map_state == IsViewable)) {
init_position(c);
if (hints && hints->flags & StateHint)
set_wm_state(c, hints->initial_state);
}
if (hints)
XFree(hints);
/* client is initialised */
gravitate(c);
reparent(c);
XGrabButton(dpy, AnyButton, Mod1Mask, c->parent, False,
ButtonMask, GrabModeSync, GrabModeAsync, None, None);
XGrabButton(dpy, AnyButton, 0, c->parent, False,
ButtonPressMask, GrabModeSync, GrabModeAsync, None, None);
XMapWindow(dpy, c->window);
XMapRaised(dpy, c->parent);
set_wm_state(c, NormalState);
XSync(dpy, False);
XSetErrorHandler(handle_xerror);
XUngrabServer(dpy);
throwUnmaps = 0;
again:
for (p = c->next; p; p = p->next) {
if (c->index == p->index && !strcmp(c->name, p->name)) {
c->index++;
goto again;
}
}
}
void handle_event(XEvent *ev) {
client *c = owner(ev->xany.window);
#ifdef DEBUG_EVENTS
if(ev->type != Expose && ev->type != MotionNotify && !(ev->type == ConfigureNotify && ev->xconfigure.window != root)) /* this makes the output slightly more manageable */
printf(NAME ": handle_event(): got %s\n\twindow: 0x%X (%s)\n", event_name(ev), (unsigned int) ev->xany.window, c ? c->name : ((ev->xany.window == root) ? "root" : "unknown"));
#endif
if((evh && evh(ev)) || button_handle_event(ev) || ewmh_handle_event(ev) || screens_handle_event(ev)) {
#ifdef DEBUG_EVENTS
if(ev->type != Expose && ev->type != MotionNotify && (ev->type != ConfigureNotify && ev->xconfigure.window != root))
printf(NAME ": handle_event(): external event handler claimed last event\n");
#endif
return;
}
if(c) {
if(!has_child(c->parent, c->window) && ev->type != DestroyNotify && ev->type != UnmapNotify)
return;
switch(ev->type) {
case UnmapNotify:
if(c->window == ev->xunmap.window) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling UnmapNotify event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(has_child(c->parent, c->window)) {
client_deparent(c);
set_wm_state(c->window, WithdrawnState);
}
client_remove(c);
ewmh_update_clist();
}
return;
case PropertyNotify:
if(ev->xproperty.atom == XA_WM_NAME) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling PropertyNotify event\n\twindow: 0x%X (%s)\n\tproperty: XA_WM_NAME\n", (unsigned int) c->window, c->name);
#endif
if(c->name != no_title)
XFree(c->name);
#ifdef USE_XFT
if(xftfont)
XftDrawDestroy(c->title_draw);
#endif
XFreePixmap(dpy, c->title_pixmap);
XFetchName(dpy, c->window, &c->name);
client_update_name(c);
XClearWindow(dpy, c->title);
if(evh == wlist_handle_event) {
XClearWindow(dpy, c->wlist_item);
wlist_item_draw(c);
}
}
if(ev->xproperty.atom == XA_WM_NORMAL_HINTS) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling PropertyNotify event\n\twindow: 0x%X (%s)\n\tproperty: XA_WM_NORMAL_HINTS\n", (unsigned int) c->window, c->name);
#endif
get_normal_hints(c);
}
return;
case ClientMessage:
if(ev->xclient.message_type == xa_wm_change_state && ev->xclient.data.l[0] == IconicState) {
#ifdef DEBUG_EVENTS
printf(NAME ": handling ClientMessage event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_iconify(c);
return;
}
break; /* we might later need this event */
case EnterNotify:
if(c != current && !(c->flags & CLICK_FOCUS) && !click_focus && ev->xcrossing.mode != NotifyGrab && ev->xcrossing.mode != NotifyUngrab && ev->xcrossing.detail != NotifyInferior && (ev->xcrossing.window == c->parent || ev->xcrossing.window == c->wlist_item) && ev->xcrossing.send_event == False) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling EnterNotify event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_focus(c, true);
}
return;
case Expose:
if(ev->xexpose.count == 0 && evh == wlist_handle_event && c && ev->xexpose.window == c->wlist_item)
wlist_item_draw(c);
return;
case ButtonPress:
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ButtonPress event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(c != current)
client_focus(c, true);
XAllowEvents(dpy, ReplayPointer, CurrentTime);
if(ev->xbutton.window != c->window) {
if(lastclick + doubleclick_time > ev->xbutton.time && lastbutton == ev->xbutton.button && lastclick_client == c) {
client_action(c, buttonaction(ev->xbutton.button, true), ev);
lastclick = 0;
lastclick_client = NULL;
lastbutton = None;
return;
}
lastclick = ev->xbutton.time;
lastclick_client = c;
lastbutton = ev->xbutton.button;
client_action(c, buttonaction(ev->xbutton.button, false), ev);
} else if(click_raise)
client_raise(c);
return;
case FocusIn: /* we ignore pointer events, these happen if the input focus is on the root window */
if(allow_focus_stealing && c != current && ev->xfocus.mode != NotifyGrab && ev->xfocus.mode != NotifyUngrab && ev->xfocus.detail != NotifyPointer) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling FocusIn event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_focus(c, false);
}
return;
case FocusOut:
if(c == current && ev->xfocus.mode != NotifyGrab && ev->xfocus.mode != NotifyUngrab && ev->xfocus.detail != NotifyInferior) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling FocusOut event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(allow_focus_stealing && ev->xfocus.detail != NotifyAncestor) {
#ifdef DEBUG_EVENTS
printf("\tfocus lost\n");
#endif
client_focus(NULL, false); /* we do this so windows that aren't managed can take focus */
} else {
#ifdef DEBUG_EVENTS
printf("\tre-focussing this window\n");
#endif
take_focus(c);
}
}
return;
#ifdef USE_SHAPE
default:
if(ev->type == shape_event) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ShapeNotify event\n\twindow 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
set_shape(c);
return;
}
#endif
}
}
switch(ev->type) {
case MapRequest:
c = owner(ev->xmaprequest.window);
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MapRequest event\n\twindow: 0x%X (%s)\n", (unsigned int) ev->xmaprequest.window, c ? c->name : "unknown");
#endif
if(c) {
if(c->flags & ICONIC && has_child(c->parent, c->window)) {
client_restore(c);
if(focus_new)
client_focus(c, true);
}
} else if(has_child(root, ev->xmaprequest.window))
client_add(ev->xmaprequest.window, false);
return;
case DestroyNotify:
c = owner(ev->xdestroywindow.window);
if(c)
if(c->window == ev->xdestroywindow.window) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling DestroyNotify event\n\twindow 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_remove(c);
}
return;
case ConfigureRequest:
c = owner(ev->xconfigurerequest.window);
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ConfigureRequest event\n\twindow 0x%X (%s)\n", (unsigned int) ev->xconfigurerequest.window, c ? c->name : "unknown");
#endif
if(correct_center)
screens_correct_center(&ev->xconfigurerequest.x, &ev->xconfigurerequest.y, &ev->xconfigurerequest.width, &ev->xconfigurerequest.height);
if(c) {
if(!has_child(c->parent, c->window))
return;
if(ev->xconfigurerequest.value_mask & CWX)
c->x = ev->xconfigurerequest.x - gxo(c, false);
if(ev->xconfigurerequest.value_mask & CWY)
c->y = ev->xconfigurerequest.y - gyo(c, false);
if(ev->xconfigurerequest.value_mask & CWWidth)
c->width = ev->xconfigurerequest.width;
if(ev->xconfigurerequest.value_mask & CWHeight)
c->height = ev->xconfigurerequest.height;
client_update(c);
#ifdef DEBUG
printf(NAME ": handle_event(): reconfigured client 0x%X (%s) to %ix%i+%i+%i\n", (unsigned int) c->window, c->name, c->width, c->height, c->x, c->y);
#endif
} else if(has_child(root, ev->xconfigurerequest.window)) {
XWindowChanges wc;
wc.sibling = ev->xconfigurerequest.above;
wc.stack_mode = ev->xconfigurerequest.detail;
wc.x = ev->xconfigurerequest.x;
wc.y = ev->xconfigurerequest.y;
wc.width = ev->xconfigurerequest.width;
wc.height = ev->xconfigurerequest.height;
XConfigureWindow(dpy, ev->xconfigurerequest.window, ev->xconfigurerequest.value_mask, &wc);
}
return;
case MapNotify:
if(correct_center_unmanaged && ev->xany.window == root && !owner(ev->xmap.window)) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MapNotify event\n\twindow 0x%X (unknown)\n", (unsigned int) ev->xmap.window);
#endif
window_correct_center(ev->xmap.window);
}
return;
case MappingNotify:
if(ev->xmapping.request != MappingPointer) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MappingNotify event\n");
#endif
keys_ungrab();
XRefreshKeyboardMapping(&ev->xmapping);
keys_update();
}
return;
case KeyPress:
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling KeyPress event\n");
#endif
client_action(current, keyaction(ev), ev);
return;
case ButtonPress:
if(ev->xbutton.window != root)
return;
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ButtonPress event\n");
#endif
if(lastclick + doubleclick_time > ev->xbutton.time && lastbutton == ev->xbutton.button && lastclick_client == NULL) {
client_action(current, root_buttonaction(ev->xbutton.button, true), ev);
lastclick = 0;
lastclick_client = NULL;
lastbutton = None;
return;
}
lastclick = ev->xbutton.time;
lastclick_client = NULL;
lastbutton = ev->xbutton.button;
client_action(current, root_buttonaction(ev->xbutton.button, false), ev);
return;
case ClientMessage:
if(ev->xclient.message_type == xa_internal_message) {
if(((Atom) ev->xclient.data.l[0]) == xa_quit) {
#ifdef DEBUG
printf(NAME ": handle_event(): quit message received\n");
#endif
exit(0);
}
if(((Atom) ev->xclient.data.l[0]) == xa_reinit) {
#ifdef DEBUG
printf(NAME ": handle_event(): reinitialize message received\n");
#endif
cfg_reinitialize();
}
}
}
}
