#include "screen.h"
#include "window.h"
+#include "list.h"
+#include "display.h"
#include "gettext.h"
+#include "time.h"
+#include "render.h"
#include <glib.h>
#include <stdio.h>
+#include <sys/select.h>
#include <stdlib.h>
#include <string.h>
#include <xcb/xcb.h>
-static gint
-all_screens(xcb_connection_t *conn, d_screen_t **list)
-{
- static const xcb_setup_t *setup;
- xcb_screen_iterator_t it;
- int count, i;
- d_screen_t sc;
-
- setup = xcb_get_setup(conn);
-
- count = i = 0;
- for (it = xcb_setup_roots_iterator(setup); it.rem; xcb_screen_next(&it)) {
- sc.super = *it.data;
- sc.conn = conn;
- sc.num = i++;
- if (screen_register(&sc)) {
- ++count;
- *list = g_renew(d_screen_t, *list, count);
- (*list)[count-1] = sc;
- printf(_("managing screen %d\n"), sc.num);
- }
- }
- return count;
-}
+typedef struct {
+ int foo;
+} d_options_t;
-d_screen_t*
-screen_from_root(d_screen_t *list, int n, xcb_window_t root)
+static void
+read_options(int argc, char **argv, d_options_t *opts)
{
- int i;
- for (i = 0; i < n; ++i)
- if (list->super.root == root) return &list[i];
- g_assert_not_reached();
- return NULL;
+ opts->foo = argc && argv;
}
-int
-main(int argc, char **argv)
+static void
+event(d_display_t *dpy)
{
- xcb_connection_t *conn;
- d_screen_t *screens = NULL;
- int nscreens;
xcb_generic_event_t *ev;
- conn = xcb_connect(NULL, NULL);
- if (!conn) {
- printf(_("Unable to connect to display\n"));
- return 1;
- }
-
- nscreens = all_screens(conn, &screens);
- if (nscreens < 1) {
- printf(_("found no screens to run on\n"));
- xcb_disconnect(conn);
- return 0;
- }
-
- while ((ev = xcb_wait_for_event(conn))) {
+ while ((ev = xcb_poll_for_event(dpy->conn))) {
printf("event %d\n", ev->response_type);
if (!ev->response_type) {
- /* XXX handle error */
+ display_error(dpy, (xcb_generic_error_t*)ev);
free(ev);
continue;
}
d_screen_t *sc;
cev = (xcb_create_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, cev->parent);
+ sc = display_screen_from_root(dpy, cev->parent);
if (!sc) break;
screen_add_window(sc, cev->window);
break;
d_window_t *w;
dev = (xcb_destroy_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, dev->event);
+ sc = display_screen_from_root(dpy, dev->event);
if (!sc) break;
w = screen_find_window(sc, dev->window);
- w->hide(w);
+ sc->window_hide(w);
screen_remove_window(sc, w);
+ printf("** refresh needed **\n");
+ screen_refresh(sc);
break;
}
case XCB_REPARENT_NOTIFY:
d_window_t *w;
rev = (xcb_reparent_notify_event_t*)ev;
- sc = screen_from_root(screens, nscreens, rev->event);
+ 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);
+ sc->window_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);
+ sc->window_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);
+ sc->window_hide(w);
+ break;
+ }
default:
break;
}
free(ev);
}
+}
+
+static void
+paint(d_display_t *dpy)
+{
+ d_list_it_t *it;
+ struct timeval now;
+
+ gettimeofday(&now, NULL);
+
+ for (it = list_top(dpy->screens); it; it = it->next) {
+ d_screen_t *sc = it->data;
+
+ if (time_compare(&sc->next_repaint, &now) <= 0)
+ sc->screen_paint(sc);
+ }
+}
+
+static void
+run(d_display_t *dpy)
+{
+ gboolean quit;
+
+ paint(dpy);
+
+ quit = FALSE;
+ while (!quit) {
+ struct timeval next, now, *wait;
+ int r, npaint;
+ d_list_it_t *it;
+ fd_set fds;
+
+ npaint = 0;
+ for (it = list_top(dpy->screens); it; it = it->next) {
+ d_screen_t *sc = it->data;
+ if (sc->need_repaint &&
+ (!npaint || time_compare(&sc->next_repaint, &next) < 0))
+ {
+ next = sc->next_repaint;
+ ++npaint;
+ }
+ }
+
+ gettimeofday(&now, 0);
+
+ if (!npaint)
+ /* wait forever, there is nothing that needs drawing */
+ wait = NULL;
+ else if (time_compare(&next, &now) > 0) {
+ /* wait until the next allowed redraw time */
+ time_difference(&next, &now, &next);
+ wait = &next;
+ }
+ else {
+ /* don't wait cuz a redraw is due now already */
+ next.tv_sec = 0;
+ next.tv_usec = 0;
+ wait = &next;
+ }
+
+ FD_ZERO(&fds);
+ FD_SET(dpy->fd, &fds);
+
+ r = select(dpy->fd+1, &fds, NULL, NULL, wait);
+ if (r < 0)
+ printf("select error\n");
+ else if (r == 0) {
+ printf("select timeout\n");
+ paint(dpy);
+ }
+ else {
+ printf("select data\n");
+ /*if (FD_ISSET(dpy->fd, &fds))*/ {
+ event(dpy);
+ }
+ }
+
+ if (xcb_connection_has_error(dpy->conn))
+ quit = TRUE;
+ else
+ xcb_flush(dpy->conn);
+ }
+}
+
+static void
+setup_functions(d_display_t *dpy)
+{
+ d_list_it_t *it;
+
+ for (it = list_top(dpy->screens); it; it = it->next) {
+ d_screen_t *sc = it->data;
+ screen_setup_default_functions(sc);
+
+ /* these can be plugins.. */
+ render_init(sc);
+ }
+}
+
+static void
+cleanup_functions(d_display_t *dpy)
+{
+ d_list_it_t *it;
+
+ for (it = list_top(dpy->screens); it; it = it->next) {
+ d_screen_t *sc = it->data;
+
+ /* these can be plugins.. */
+ render_free(sc);
+ }
+}
+
+int
+main(int argc, char **argv)
+{
+ 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;
+ }
+
+ 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;
+ }
+
+ setup_functions(dpy);
+
+ run(dpy);
+
+ cleanup_functions(dpy);
- xcb_disconnect(conn);
+ display_unref(dpy);
return 0;
}
projects / dana / dcompmgr.git / blobdiff