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完善 ewmh 扩展初始化

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Zedhugh Chen
2025-08-04 14:28:38 +08:00
parent 801124a8a2
commit 645d6594b8
6 changed files with 84 additions and 4 deletions
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39
src/xcb/xcb.c
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@@ -10,9 +10,12 @@
#include <xcb/xcb_ewmh.h>
#include <xcb/xcb_icccm.h>
#include <xcb/xinerama.h>
#include <xcb/xinput.h>
#include <xcb/xproto.h>
#include "app.h"
#include "utils.h"
#include "window.h"
#include "xcb-private.h"
xcb_connection_t *conn = NULL;
@@ -122,18 +125,50 @@ monitor_rect_t *detect_monitor_rect(void) {
}
static xcb_ewmh_connection_t *ewmh = NULL;
static bool ewmh_init_failed = false;
static xcb_window_t wm_check_window = XCB_NONE;
static void init_ewmh_extension(void) {
if (ewmh) return;
if (ewmh || ewmh_init_failed) return;
ewmh = ecalloc(1, sizeof(xcb_ewmh_connection_t));
xcb_intern_atom_cookie_t *cookie = xcb_ewmh_init_atoms(conn, ewmh);
if (!xcb_ewmh_init_atoms_replies(ewmh, cookie, NULL)) {
free(ewmh);
ewmh = NULL;
ewmh_init_failed = true;
return;
}
screen = ewmh->screens[ewmh->nb_screens - 1];
wm_check_window = xcb_generate_id(conn);
xcb_create_window(conn, XCB_COPY_FROM_PARENT, wm_check_window, screen->root,
0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_ONLY,
screen->root_visual, XCB_NONE, NULL);
const char *class = APP_NAME "_wm_check";
set_window_class_instance(wm_check_window, class, class);
xcb_ewmh_set_wm_name(ewmh, wm_check_window, strlen(APP_NAME), APP_NAME);
xcb_ewmh_set_supporting_wm_check(ewmh, screen->root, wm_check_window);
xcb_ewmh_set_supporting_wm_check(ewmh, wm_check_window, wm_check_window);
uint8_t mode = XCB_PROP_MODE_REPLACE;
uint8_t format = XCB_INPUT_PROPERTY_FORMAT_32_BITS;
xcb_atom_t atom = XCB_ATOM_ATOM;
const xcb_atom_t state[] = {ewmh->_NET_WM_STATE_STICKY};
const xcb_atom_t supported[] = {
ewmh->_NET_ACTIVE_WINDOW,
ewmh->_NET_SUPPORTED,
ewmh->_NET_WM_NAME,
ewmh->_NET_WM_STATE,
ewmh->_NET_SUPPORTING_WM_CHECK,
ewmh->_NET_WM_STATE_FULLSCREEN,
ewmh->_NET_WM_WINDOW_TYPE,
ewmh->_NET_WM_WINDOW_TYPE_DIALOG,
ewmh->_NET_CLIENT_LIST,
};
xcb_change_property(conn, mode, wm_check_window, ewmh->_NET_WM_STATE, atom,
format, LENGTH(state), state);
xcb_change_property(conn, mode, screen->root, ewmh->_NET_SUPPORTED, atom,
format, LENGTH(supported), supported);
xcb_delete_property(conn, screen->root, ewmh->_NET_CLIENT_LIST);
}
/**