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feat(backend/X11): 添加 _NET_SUPPORTING_WM_CHECK 兼容窗口

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This commit is contained in:
Zedhugh Chen
2026-04-19 05:39:31 +08:00
parent 22cd362724
commit 92dcec0e79
2 changed files with 48 additions and 19 deletions
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63
src/backend/x11/backend.c
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@@ -4,6 +4,8 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <xcb/randr.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
@@ -51,33 +53,55 @@ static void atoms_init(backend_t *backend) {
}
}
static void create_wm_check_window(backend_t *backend) {
xcb_connection_t *conn = backend->conn;
xcb_window_t root = backend->screen->root;
uint8_t depth = backend->screen->root_depth;
xcb_visualid_t v = backend->screen->root_visual;
uint16_t _c = XCB_WINDOW_CLASS_COPY_FROM_PARENT;
uint32_t m = XCB_NONE;
void *p = nullptr;
xcb_window_t win = xcb_generate_id(conn);
xcb_create_window(conn, depth, win, root, -1, -1, 1, 1, 0, _c, v, m, p);
window_set_class_instance(conn, win);
#define NAME "zdwm"
window_set_name_static(conn, win, NAME);
uint8_t mode = XCB_PROP_MODE_REPLACE;
xcb_atom_t prop = backend->atoms._NET_WM_NAME;
xcb_atom_t type = backend->atoms.UTF8_STRING;
xcb_change_property(conn, mode, win, prop, type, 8, sizeof(NAME) - 1, NAME);
#undef NAME
prop = backend->atoms._NET_SUPPORTING_WM_CHECK;
type = XCB_ATOM_WINDOW;
xcb_change_property(conn, mode, win, prop, type, 32, 1, &win);
xcb_change_property(conn, mode, root, prop, type, 32, 1, &win);
prop = backend->atoms._NET_WM_PID;
type = XCB_ATOM_CARDINAL;
pid_t pid = getpid();
xcb_change_property(conn, mode, win, prop, type, 32, 1, &pid);
}
static void create_no_focus_window(backend_t *backend) {
xcb_connection_t *conn = backend->conn;
xcb_window_t root = backend->screen->root;
uint8_t d = backend->screen->root_depth;
xcb_visualid_t v = backend->screen->root_visual;
uint16_t _c = XCB_WINDOW_CLASS_COPY_FROM_PARENT;
xcb_window_t win = xcb_generate_id(conn);
uint32_t value_mask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL |
XCB_CW_OVERRIDE_REDIRECT | XCB_CW_COLORMAP;
const xcb_create_window_value_list_t value_list = {
xcb_window_t win = xcb_generate_id(conn);
uint32_t m = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL |
XCB_CW_OVERRIDE_REDIRECT | XCB_CW_COLORMAP;
const xcb_create_window_value_list_t p = {
.override_redirect = true,
.background_pixel = backend->screen->black_pixel,
.border_pixel = backend->screen->black_pixel,
.colormap = backend->screen->default_colormap,
};
xcb_create_window_aux(
conn,
backend->screen->root_depth,
win,
backend->screen->root,
-1,
-1,
1,
1,
0,
XCB_WINDOW_CLASS_COPY_FROM_PARENT,
backend->screen->root_visual,
value_mask,
&value_list
);
xcb_create_window_aux(conn, d, win, root, -1, -1, 1, 1, 0, _c, v, m, &p);
window_set_class_instance(conn, win);
window_set_name_static(conn, win, "zdwm no input window");
xcb_map_window(conn, win);
@@ -136,6 +160,7 @@ backend_t *backend_create(const char *display_name) {
}
atoms_init(backend);
create_wm_check_window(backend);
create_no_focus_window(backend);
return backend;

4
src/backend/x11/internal.h
View File

@@ -15,6 +15,9 @@
X(WM_TAKE_FOCUS) \
X(_NET_ACTIVE_WINDOW) \
\
X(_NET_SUPPORTING_WM_CHECK) \
X(_NET_WM_PID) \
\
X(_NET_CLIENT_LIST) \
X(_NET_CLIENT_LIST_STACKING) \
\
@@ -59,4 +62,5 @@ struct backend_t {
/* When no window should take focus, then focus this window */
xcb_window_t window_no_focus;
xcb_window_t wm_check_window;
};