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Переделано окно согласно видеоуроку

Browse Source 
https://www.youtube.com/watch?v=iIVIu7YRdY0
This commit is contained in:
Роман Пытков
2025-11-15 21:10:42 +03:00
parent 2332be6293
commit 9cdc529918
3 changed files with 166 additions and 70 deletions
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4
nasm.code-workspace
View File

@@ -14,5 +14,9 @@
"debug.allowBreakpointsEverywhere": true,
"debug.inlineValues": "on",
"editor.codeLens": false,
"files.associations": {
"flake.lock": "json",
"ios": "c"
},
}
}

2
wayland/asm.asm
View File

@@ -6,6 +6,4 @@ main:
enter 0, 0
call run_wayland
leave
mov rax, 0
ret

256
wayland/c.c
View File

@@ -6,95 +6,189 @@
#include <stdio.h>
#include "xdg-shell-client-protocol.h"
static struct wl_display *display;
static struct wl_registry *registry;
static struct wl_compositor *compositor;
static struct wl_shm *shm;
static struct xdg_wm_base *xdg_wm_base;
static struct wl_surface *surface;
// Всё ниже - для одного окна
static struct xdg_surface *xdg_surface;
static struct xdg_toplevel *xdg_toplevel;
static volatile int running = 1;
static int width = 800, height = 600;
static struct wl_surface *wl_surface;
static struct wl_buffer *buffer;
static struct wl_shm *shm;
static int16_t width = 200;
static int16_t height = 100;
static int8_t *data;
static int8_t need_close = 0;
static void registry_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) {
if (strcmp(interface, "wl_compositor") == 0) {
compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1);
} else if (strcmp(interface, "wl_shm") == 0) {
shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
} else if (strcmp(interface, "xdg_wm_base") == 0) {
xdg_wm_base = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
}
}
static void registry_global_remove(void *data, struct wl_registry *registry, uint32_t name) {}
static const struct wl_registry_listener registry_listener = {
.global = registry_global,
.global_remove = registry_global_remove,
};
static void create_buffer();
static void xdg_surface_configure(void *data, struct xdg_surface *xdg_surface, uint32_t serial) {
xdg_surface_ack_configure(xdg_surface, serial);
create_buffer();
}
static const struct xdg_surface_listener xdg_surface_listener = {
.configure = xdg_surface_configure,
};
static void xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel, int32_t w, int32_t h, struct wl_array *states) {
if (w > 0) width = w;
if (h > 0) height = h;
}
static void xdg_toplevel_close(void *data, struct xdg_toplevel *xdg_toplevel) {
running = 0;
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
.configure = xdg_toplevel_configure,
.close = xdg_toplevel_close,
};
static void create_buffer() {
int32_t alloc_shm(size_t size)
{
char name[32];
sprintf(name, "/wayland-shm-%d", getpid());
int stride = width * 4;
int size = stride * height;
int fd = shm_open(name, O_RDWR | O_CREAT, 0600);
if (fd == -1) return;
ftruncate(fd, size);
void *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
memset(data, 0xFF, size); // white
struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
struct wl_buffer *buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, WL_SHM_FORMAT_ARGB8888);
wl_surface_attach(surface, buffer, 0, 0);
wl_surface_damage(surface, 0, 0, width, height);
wl_surface_commit(surface);
wl_buffer_destroy(buffer);
wl_shm_pool_destroy(pool);
close(fd);
int32_t fd = shm_open(name, O_RDWR | O_CREAT, 0600);
if (fd == -1)
return fd;
shm_unlink(name);
munmap(data, size);
ftruncate(fd, size);
return fd;
}
void run_wayland() {
display = wl_display_connect(NULL);
if (!display) return;
registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, &registry_listener, NULL);
wl_display_dispatch(display);
wl_display_roundtrip(display);
if (!compositor || !shm || !xdg_wm_base) return;
surface = wl_compositor_create_surface(compositor);
xdg_surface = xdg_wm_base_get_xdg_surface(xdg_wm_base, surface);
xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, NULL);
wl_surface_commit(surface);
while (running && wl_display_dispatch(display) != -1) {}
wl_display_disconnect(display);
void resize_canvas()
{
size_t stride = width * 4;
size_t size = stride * height;
int32_t fd = alloc_shm(size);
data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
close(fd);
}
void resize_new(int16_t w, int16_t h)
{
if (!w || !h)
return;
if (width != w || height != h)
{
if(data)
munmap(data, width*height*4);
width = w;
height = h;
resize_canvas();
}
}
int8_t c;
void draw()
{
size_t stride = width * 4;
size_t size = stride * height;
memset(data, c++, size);
wl_surface_attach(wl_surface, buffer, 0, 0);
wl_surface_damage_buffer(wl_surface, 0, 0, width, height);
wl_surface_commit(wl_surface);
}
void xdg_surface_conf(void *data, struct xdg_surface *xdg_surface, uint32_t serial)
{
xdg_surface_ack_configure(xdg_surface, serial);
if (!data)
resize_canvas();
draw();
}
void xdg_toplevel_conf(void *data, struct xdg_toplevel *xdg_top, int32_t w, int32_t h, struct wl_array *states)
{
resize_new(w, h);
}
void xdg_toplevel_cls(void *data, struct xdg_toplevel *xdg_top)
{
need_close = 1;
}
void xdg_toplevel_bounds(void *data, struct xdg_toplevel *xdg_top, int32_t w, int32_t h)
{
}
void xdg_toplevel_wm_caps(void *data, struct xdg_toplevel *xdg_top, struct wl_array *caps)
{
}
struct wl_callback_listener callback_listener;
void frame_new(void *date, struct wl_callback *cb, uint32_t _)
{
wl_callback_destroy(cb);
cb = wl_surface_frame(wl_surface);
wl_callback_add_listener(cb, &callback_listener, 0);
draw();
}
void wm_base_ping(void *data, struct xdg_wm_base *wm_base, uint32_t serial)
{
xdg_wm_base_pong(wm_base, serial);
}
struct xdg_wm_base_listener wm_base_listener;
// Функция для прослушивания глобальных объектов
void registry_global(void *data, struct wl_registry *reg, uint32_t name, const char *intf, uint32_t version)
{
printf("%u\t%s\tv:%u\n", name, intf, version);
if (!strcmp(intf, wl_compositor_interface.name))
{
compositor = wl_registry_bind(reg, name, &wl_compositor_interface, version);
}
else if (!strcmp(intf, wl_shm_interface.name))
{
shm = wl_registry_bind(reg, name, &wl_shm_interface, version);
}
else if (!strcmp(intf, xdg_wm_base_interface.name))
{
xdg_wm_base = wl_registry_bind(reg, name, &xdg_wm_base_interface, version);
xdg_wm_base_add_listener(xdg_wm_base, &wm_base_listener, 0);
}
}
void registry_global_remove(void *data, struct wl_registry *reg, uint32_t name) {}
struct wl_callback_listener callback_listener = {
.done = frame_new};
struct xdg_wm_base_listener wm_base_listener = {
.ping = wm_base_ping};
struct xdg_toplevel_listener top_listener = {
.configure = xdg_toplevel_conf,
.close = xdg_toplevel_cls,
.configure_bounds = xdg_toplevel_bounds,
.wm_capabilities = xdg_toplevel_wm_caps};
struct xdg_surface_listener surface_listener = {
.configure = xdg_surface_conf};
struct wl_registry_listener registry_listener = {
.global = registry_global,
.global_remove = registry_global_remove};
int32_t run_wayland()
{
struct wl_display *display = wl_display_connect(0);
if (!display)
return -1;
struct wl_registry *registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, &registry_listener, 0);
wl_display_roundtrip(display);
wl_surface = wl_compositor_create_surface(compositor);
struct wl_callback *wl_callback = wl_surface_frame(wl_surface);
wl_callback_add_listener(wl_callback, &callback_listener, 0);
xdg_surface = xdg_wm_base_get_xdg_surface(xdg_wm_base, wl_surface);
xdg_surface_add_listener(xdg_surface, &surface_listener, 0);
xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
xdg_toplevel_add_listener(xdg_toplevel, &top_listener, 0);
xdg_toplevel_set_title(xdg_toplevel, "Custom client");
wl_surface_commit(wl_surface);
while (wl_display_dispatch(display))
{
if (need_close)
{
printf("Window closing\n");
break;
}
}
if (buffer)
wl_buffer_destroy(buffer);
xdg_toplevel_destroy(xdg_toplevel);
xdg_surface_destroy(xdg_surface);
wl_surface_destroy(wl_surface);
wl_display_disconnect(display);
return 0;
}