#include "screen.h"
+#include "display.h"
+#include "list.h"
#include "window.h"
+#include "render.h"
#include "gettext.h"
#include <string.h>
#include <stdlib.h>
#define SELECTION_MASK (XCB_EVENT_MASK_STRUCTURE_NOTIFY | \
XCB_EVENT_MASK_PROPERTY_CHANGE)
-static void screen_init(d_screen_t *sc);
+static gboolean screen_init(d_screen_t *sc);
static xcb_timestamp_t screen_timestamp(d_screen_t *sc);
+static void screen_add_existing_windows(d_screen_t *sc);
gboolean
-screen_register(d_screen_t *sc)
+screen_register(struct d_display *dpy, int num, d_screen_t *sc)
{
char *name;
xcb_window_t w;
uint32_t event_mask;
gboolean taken, ret;
- w = xcb_generate_id(sc->conn);
+ sc->dpy = dpy;
+ sc->num = num;
+ w = xcb_generate_id(sc->dpy->conn);
event_mask = SELECTION_MASK;
- xcb_create_window(sc->conn, XCB_COPY_FROM_PARENT, w, sc->super.root,
+ xcb_create_window(sc->dpy->conn, XCB_COPY_FROM_PARENT, w, sc->super.root,
0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_ONLY,
sc->super.root_visual, XCB_CW_EVENT_MASK, &event_mask);
name = g_strdup_printf("_NET_WM_CM_S%d", sc->num);
- ack = xcb_intern_atom(sc->conn, FALSE, strlen(name), name);
- arep = xcb_intern_atom_reply(sc->conn, ack, NULL);
+ ack = xcb_intern_atom(sc->dpy->conn, FALSE, strlen(name), name);
+ arep = xcb_intern_atom_reply(sc->dpy->conn, ack, NULL);
g_free(name);
- sck = xcb_get_selection_owner(sc->conn, arep->atom);
- srep = xcb_get_selection_owner_reply(sc->conn, sck, NULL);
+ xcb_grab_server(sc->dpy->conn);
+
+ sck = xcb_get_selection_owner(sc->dpy->conn, arep->atom);
+ srep = xcb_get_selection_owner_reply(sc->dpy->conn, sck, NULL);
taken = !!srep->owner;
free(srep);
if (taken) {
time = screen_timestamp(sc);
- xcb_grab_server(sc->conn);
- xcb_set_selection_owner(sc->conn, w, arep->atom, time);
- sck = xcb_get_selection_owner(sc->conn, arep->atom);
- srep = xcb_get_selection_owner_reply(sc->conn, sck, NULL);
+ xcb_set_selection_owner(sc->dpy->conn, w, arep->atom, time);
+ sck = xcb_get_selection_owner(sc->dpy->conn, arep->atom);
+ srep = xcb_get_selection_owner_reply(sc->dpy->conn, sck, NULL);
taken = srep->owner == w;
- if (taken) {
- screen_init(sc);
+ if (taken && screen_init(sc)) {
+ screen_add_existing_windows(sc);
ret = TRUE;
}
else {
- xcb_destroy_window(sc->conn, w);
+ xcb_destroy_window(sc->dpy->conn, w);
ret = FALSE;
}
- xcb_ungrab_server(sc->conn);
- xcb_flush(sc->conn);
}
+
+ xcb_ungrab_server(sc->dpy->conn);
+ xcb_flush(sc->dpy->conn);
return ret;
}
static guint
-window_hash(xcb_window_t *w) { return *w; }
+xcb_window_hash(xcb_window_t *w) { return *w; }
static gboolean
-window_compare(xcb_window_t *w1, xcb_window_t *w2) { return *w1 == *w2; }
+xcb_window_compare(xcb_window_t *w1, xcb_window_t *w2) { return *w1 == *w2; }
-static void
+static gboolean
screen_init(d_screen_t *sc)
{
uint32_t mask;
+ xcb_generic_error_t *err;
+ xcb_void_cookie_t redir_ck;
+ xcb_composite_get_overlay_window_cookie_t overlay_ck;
+ xcb_composite_get_overlay_window_reply_t *overlay_rep;
+
+ redir_ck =
+ xcb_composite_redirect_subwindows(sc->dpy->conn, sc->super.root,
+ XCB_COMPOSITE_REDIRECT_MANUAL);
+
+ overlay_ck = xcb_composite_get_overlay_window(sc->dpy->conn,
+ sc->super.root);
+
+ /* check that the redirect worked */
+ err = xcb_request_check(sc->dpy->conn, redir_ck);
+ if (err) {
+ printf(_("unable to redirect rendering, another composite manager must be running"));
+ free(err);
+ return FALSE;
+ }
- sc->winhash = g_hash_table_new((GHashFunc)window_hash,
- (GCompareFunc)window_compare);
-
-// xcb_composite_redirect_subwindows(sc->conn, sc->super.root,
-// XCB_COMPOSITE_REDIRECT_MANUAL);
+ /* get the overlay window reply */
+ overlay_rep = xcb_composite_get_overlay_window_reply(sc->dpy->conn,
+ overlay_ck,
+ NULL);
+ if (!overlay_rep) {
+ printf(_("unable to get the composite overlay window\n"));
+ return FALSE;
+ }
+ sc->overlay = overlay_rep->overlay_win;
+ free(overlay_rep);
mask = SELECTION_MASK;
- xcb_change_window_attributes(sc->conn, sc->selwin,
+ xcb_change_window_attributes(sc->dpy->conn, sc->selwin,
XCB_CW_EVENT_MASK, &mask);
mask = ROOT_MASK;
- xcb_change_window_attributes(sc->conn, sc->super.root,
+ xcb_change_window_attributes(sc->dpy->conn, sc->super.root,
XCB_CW_EVENT_MASK, &mask);
+
+ /* use the render backend */
+ sc->paint = render_paint_screen;
+
+ sc->winhash = g_hash_table_new((GHashFunc)xcb_window_hash,
+ (GCompareFunc)xcb_window_compare);
+ sc->stacking = list_new();
+
+ return TRUE;
+}
+
+void screen_free(d_screen_t *sc)
+{
+ g_hash_table_unref(sc->winhash);
+ list_unref(sc->stacking);
}
void
w = window_new(wid, sc);
g_hash_table_insert(sc->winhash, &w->id, w);
- printf("added window 0x%x\n", w->id);
+ printf("screen added window 0x%x\n", w->id);
+}
+
+static void
+screen_add_existing_windows(d_screen_t *sc)
+{
+ xcb_query_tree_cookie_t ck;
+ xcb_query_tree_reply_t *rep;
+
+ ck = xcb_query_tree(sc->dpy->conn, sc->super.root);
+ rep = xcb_query_tree_reply(sc->dpy->conn, ck, NULL);
+ if (rep) {
+ xcb_window_iterator_t it;
+
+ printf("query\n");
+ it = xcb_query_tree_children_iterator(rep);
+ for (; it.rem; xcb_window_next(&it))
+ screen_add_window(sc, *it.data);
+
+ free(rep);
+ }
}
void
screen_remove_window(d_screen_t *sc, struct d_window *w)
{
- printf("removed window 0x%x\n", w->id);
+ printf("screen removed window 0x%x\n", w->id);
g_hash_table_remove(sc->winhash, &w->id);
+ w->become_zombie(w);
window_unref(w);
}
xcb_void_cookie_t ck;
xcb_timestamp_t time;
- ck = xcb_change_property(sc->conn, XCB_PROP_MODE_REPLACE, sc->selwin,
+ ck = xcb_change_property(sc->dpy->conn, XCB_PROP_MODE_REPLACE, sc->selwin,
sc->selatom, sc->selatom, 32, 0, NULL);
- xcb_flush(sc->conn);
+ xcb_flush(sc->dpy->conn);
while (1) {
xcb_generic_event_t *ev;
- ev = xcb_wait_for_event(sc->conn);
+ ev = xcb_wait_for_event(sc->dpy->conn);
if (!ev) {
printf(_("IO error\n"));
exit(0);
/* expect errors.. */
if (!ev->response_type) {
- /* XXX handle error */
+ display_error(sc->dpy, (xcb_generic_error_t*)ev);
free(ev);
continue;
}
printf("created timestamp %lu\n", (unsigned long) time);
return time;
}
+
+void
+screen_stacking_add(d_screen_t *sc, struct d_window *w)
+{
+ list_prepend(sc->stacking, w);
+}
+
+void
+screen_stacking_remove(d_screen_t *sc, struct d_window *w)
+{
+ list_remove(sc->stacking, w);
+}