+#include "screen.h"
+#include "window.h"
+#include "display.h"
+#include "gettext.h"
+
#include <glib.h>
#include <stdio.h>
+#include <sys/select.h>
+#include <stdlib.h>
#include <string.h>
#include <xcb/xcb.h>
-#define _(a) (a)
-
-/* inherits from xcb_screen_t */
typedef struct {
- xcb_screen_t super;
- int num;
- xcb_window_t selwin; /* for the selection */
-} d_screen_t;
+ int foo;
+} d_options_t;
-static xcb_connection_t *conn;
-static const xcb_setup_t *setup;
-static d_screen_t *screens = NULL;
+static void
+read_options(int argc, char **argv, d_options_t *opts)
+{
+ opts->foo = argc && argv;
+}
-static gboolean
-register_screen (d_screen_t *sc)
+static void
+event(d_display_t *dpy)
{
- char *name;
- int len, s;
- xcb_window_t w;
- xcb_intern_atom_cookie_t ack;
- xcb_intern_atom_reply_t *arep;
- xcb_get_selection_owner_cookie_t sck;
- xcb_get_selection_owner_reply_t *srep;
- gboolean taken;
-
- w = xcb_generate_id(conn);
- xcb_create_window(conn, XCB_COPY_FROM_PARENT, w, sc->super.root,
- 0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_ONLY,
- sc->super.root_visual, 0, NULL);
-
- name = g_strdup_printf("_NET_WM_CM_S%d", sc->num);
- ack = xcb_intern_atom(conn, FALSE, strlen(name), name);
- arep = xcb_intern_atom_reply(conn, ack, NULL);
- g_free(name);
-
- sck = xcb_get_selection_owner(conn, arep->atom);
- srep = xcb_get_selection_owner_reply(conn, sck, NULL);
- taken = !!srep->owner;
- free(srep);
- if (taken) {
- printf(_("screen %d already has a composite manager, skipping\n"),
- sc->num);
- return FALSE;
+ xcb_generic_event_t *ev;
+
+ ev = xcb_poll_for_event(dpy->conn);
+ printf("event %d\n", ev->response_type);
+
+ if (!ev->response_type) {
+ display_error(dpy, (xcb_generic_error_t*)ev);
+ free(ev);
+ return;
+ }
+
+ switch (ev->response_type) {
+ case XCB_CREATE_NOTIFY:
+ {
+ xcb_create_notify_event_t *cev;
+ d_screen_t *sc;
+
+ cev = (xcb_create_notify_event_t*)ev;
+ sc = display_screen_from_root(dpy, cev->parent);
+ if (!sc) break;
+ screen_add_window(sc, cev->window);
+ break;
}
+ case XCB_DESTROY_NOTIFY:
+ {
+ xcb_destroy_notify_event_t *dev;
+ d_screen_t *sc;
+ d_window_t *w;
- xcb_set_selection_owner(conn, w, arep->atom, XCB_CURRENT_TIME);
- sck = xcb_get_selection_owner(conn, arep->atom);
- srep = xcb_get_selection_owner_reply(conn, sck, NULL);
- taken = srep->owner == w;
- if (taken) {
- sc->selwin = w;
- return TRUE;
+ dev = (xcb_destroy_notify_event_t*)ev;
+ sc = display_screen_from_root(dpy, dev->event);
+ if (!sc) break;
+ w = screen_find_window(sc, dev->window);
+ w->hide(w);
+ screen_remove_window(sc, w);
+ break;
}
- else {
- xcb_destroy_window(conn, w);
- return FALSE;
+ case XCB_REPARENT_NOTIFY:
+ {
+ xcb_reparent_notify_event_t *rev;
+ d_screen_t *sc;
+ d_window_t *w;
+
+ rev = (xcb_reparent_notify_event_t*)ev;
+ sc = display_screen_from_root(dpy, rev->event);
+ if (!sc) break;
+ w = screen_find_window(sc, rev->window);
+ if (rev->parent == sc->super.root)
+ screen_add_window(sc, rev->window);
+ else {
+ w->hide(w);
+ screen_remove_window(sc, w);
+ }
+ break;
}
+ case XCB_MAP_NOTIFY:
+ {
+ xcb_map_notify_event_t *mev;
+ d_screen_t *sc;
+ d_window_t *w;
+
+ mev = (xcb_map_notify_event_t*)ev;
+ sc = display_screen_from_root(dpy, mev->event);
+ if (!sc) break;
+ w = screen_find_window(sc, mev->window);
+ w->show(w);
+ break;
+ }
+ case XCB_UNMAP_NOTIFY:
+ {
+ xcb_unmap_notify_event_t *mev;
+ d_screen_t *sc;
+ d_window_t *w;
+
+ mev = (xcb_unmap_notify_event_t*)ev;
+ sc = display_screen_from_root(dpy, mev->event);
+ if (!sc) break;
+ w = screen_find_window(sc, mev->window);
+ w->hide(w);
+ break;
+ }
+ default:
+ break;
+ }
+ free(ev);
}
-static gint
-all_screens()
+static void
+run(d_display_t *dpy)
{
- xcb_screen_iterator_t it;
- int count, i;
- d_screen_t sc;
-
- count = i = 0;
- for (it = xcb_setup_roots_iterator(setup); it.rem; xcb_screen_next(&it)) {
- sc.super = *it.data;
- sc.num = i++;
- if (register_screen(&sc)) {
- ++count;
- screens = g_renew(d_screen_t, screens, count);
- screens[count-1] = sc;
- printf(_("managing screen %d\n"), sc.num);
+ gboolean quit;
+ fd_set fds;
+ int max = -1;
+
+ FD_ZERO(&fds);
+ FD_SET(dpy->fd, &fds);
+ max = MAX(max, dpy->fd);
+
+ quit = FALSE;
+ while (!quit) {
+ int r;
+
+ r = select(max+1, &fds, NULL, NULL, NULL);
+ if (r < 0)
+ printf("select error\n");
+ else if (r == 0)
+ printf("select timeout\n");
+ else {
+ printf("select data\n");
+ /*if (FD_ISSET(dpy->fd, &fds))*/ {
+ event(dpy);
+ }
}
+
+ if (xcb_connection_has_error(dpy->conn))
+ quit = TRUE;
}
- return count;
}
int
main(int argc, char **argv)
{
- conn = xcb_connect(NULL, NULL);
- if (!conn) {
+ d_display_t *dpy;
+ d_options_t opts;
+
+ read_options(argc, argv, &opts);
+
+ dpy = display_open(NULL);
+ if (!dpy) {
printf(_("Unable to connect to display\n"));
return 1;
}
- setup = xcb_get_setup(conn);
- all_screens();
-
+ if (!dpy->composite.present) {
+ printf(_("no composite extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->xfixes.present) {
+ printf(_("no xfixes extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->damage.present) {
+ printf(_("no damage extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (!dpy->render.present) {
+ printf(_("no render extension present on the display\n"));
+ display_unref(dpy);
+ return 1;
+ }
+ if (dpy->composite.major_version <= 0 && dpy->composite.minor_version < 3)
+ {
+ printf(_("composite extension does not support the overlay window"));
+ display_unref(dpy);
+ return 1;
+ }
+
+ if (!display_claim_screens(dpy)) {
+ printf(_("found no screens to run on\n"));
+ display_unref(dpy);
+ return 0;
+ }
+
+ run(dpy);
- xcb_disconnect(conn);
+ display_unref(dpy);
return 0;
}