diff options
| -rw-r--r-- | backend/backend.c | 2 | ||||
| -rw-r--r-- | backend/x11/backend.c | 101 | ||||
| -rw-r--r-- | include/backend/x11.h | 12 | ||||
| -rw-r--r-- | include/wlr/backend/x11.h | 6 | ||||
| -rw-r--r-- | meson.build | 2 |
5 files changed, 114 insertions, 9 deletions
diff --git a/backend/backend.c b/backend/backend.c index 21f342ad..ec309da4 100644 --- a/backend/backend.c +++ b/backend/backend.c @@ -80,7 +80,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) { const char *x11_display = getenv("DISPLAY"); if (x11_display) { - return wlr_x11_backend_create(x11_display); + return wlr_x11_backend_create(display, x11_display); } // Attempt DRM+libinput diff --git a/backend/x11/backend.c b/backend/x11/backend.c index be022a7a..d02bd6eb 100644 --- a/backend/x11/backend.c +++ b/backend/x11/backend.c @@ -1,30 +1,119 @@ #include <stdbool.h> +#include <stdlib.h> +#include <xcb/xcb.h> +#include <X11/Xlib-xcb.h> +#include <wayland-server.h> #include <wlr/backend/interface.h> #include <wlr/backend/x11.h> #include <wlr/egl.h> +#include <wlr/util/log.h> #include "backend/x11.h" -struct wlr_backend *wlr_x11_backend_create(const char *display) { +static struct wlr_backend_impl backend_impl; + +int x11_event(int fd, uint32_t mask, void *data) { + struct wlr_x11_backend *x11 = data; + + xcb_generic_event_t *event = xcb_wait_for_event(x11->xcb_conn); + if (!event) { + return 0; + } + + switch (event->response_type) { + case XCB_EXPOSE: + break; + case XCB_KEY_PRESS: + break; + default: + wlr_log(L_INFO, "Unknown event"); + break; + } + + free(event); + return 0; +} + +struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, + const char *x11_display) { + struct wlr_x11_backend *x11 = calloc(1, sizeof(*x11)); + if (!x11) { + return NULL; + } + + wlr_backend_init(&x11->backend, &backend_impl); + + x11->xlib_conn = XOpenDisplay(x11_display); + if (!x11->xlib_conn) { + wlr_log(L_ERROR, "Failed to open X connection"); + return NULL; + } + + x11->xcb_conn = XGetXCBConnection(x11->xlib_conn); + if (!x11->xcb_conn || xcb_connection_has_error(x11->xcb_conn)) { + wlr_log(L_ERROR, "Failed to open xcb connection"); + goto error; + } + + int fd = xcb_get_file_descriptor(x11->xcb_conn); + struct wl_event_loop *ev = wl_display_get_event_loop(display); + x11->event_source = wl_event_loop_add_fd(ev, fd, WL_EVENT_READABLE, x11_event, x11); + if (!x11->event_source) { + wlr_log(L_ERROR, "Could not create event source"); + goto error; + } + + return &x11->backend; + +error: + xcb_disconnect(x11->xcb_conn); + XCloseDisplay(x11->xlib_conn); + free(x11); return NULL; } static bool wlr_x11_backend_start(struct wlr_backend *backend) { - return false; + struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; + + xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data; + uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; + uint32_t values[2] = { + screen->white_pixel, + XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS + }; + + x11->win = xcb_generate_id(x11->xcb_conn); + + xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, x11->win, screen->root, + 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT, + screen->root_visual, mask, values); + + xcb_map_window(x11->xcb_conn, x11->win); + xcb_flush(x11->xcb_conn); + + return true; } static void wlr_x11_backend_destroy(struct wlr_backend *backend) { + if (!backend) { + return; + } + + struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; + + xcb_disconnect(x11->xcb_conn); + free(x11); } struct wlr_egl *wlr_x11_backend_get_egl(struct wlr_backend *backend) { return NULL; } +bool wlr_backend_is_x11(struct wlr_backend *backend) { + return backend->impl == &backend_impl; +} + static struct wlr_backend_impl backend_impl = { .start = wlr_x11_backend_start, .destroy = wlr_x11_backend_destroy, .get_egl = wlr_x11_backend_get_egl, }; - -bool wlr_backend_is_x11(struct wlr_backend *backend) { - return backend->impl == &backend_impl; -} diff --git a/include/backend/x11.h b/include/backend/x11.h index 2f319672..6ef86c8a 100644 --- a/include/backend/x11.h +++ b/include/backend/x11.h @@ -1,8 +1,20 @@ #ifndef WLR_X11_H #define WLR_X11_H +#include <xcb/xcb.h> +#include <X11/Xlib-xcb.h> +#include <wayland-server.h> +#include <wlr/egl.h> + struct wlr_x11_backend { struct wlr_backend backend; + + Display *xlib_conn; + xcb_connection_t *xcb_conn; + xcb_window_t win; + + struct wlr_egl egl; + struct wl_event_source *event_source; }; #endif diff --git a/include/wlr/backend/x11.h b/include/wlr/backend/x11.h index 28d027c5..3901649b 100644 --- a/include/wlr/backend/x11.h +++ b/include/wlr/backend/x11.h @@ -1,10 +1,12 @@ #ifndef WLR_BACKEND_X11_H #define WLR_BACKEND_X11_H -#include <wlr/backend.h> #include <stdbool.h> +#include <wayland-server.h> +#include <wlr/backend.h> -struct wlr_backend *wlr_x11_backend_create(const char *display); +struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, + const char *x11_display); bool wlr_backend_is_x11(struct wlr_backend *backend); diff --git a/meson.build b/meson.build index c0fb50e1..520eceb9 100644 --- a/meson.build +++ b/meson.build @@ -45,6 +45,7 @@ udev = dependency('libudev') pixman = dependency('pixman-1') xcb = dependency('xcb') xcb_composite = dependency('xcb-composite') +x11_xcb = dependency('x11-xcb') libcap = dependency('libcap', required: false) systemd = dependency('libsystemd', required: false) elogind = dependency('libelogind', required: false) @@ -85,6 +86,7 @@ wlr_deps = [ pixman, xcb, xcb_composite, + x11_xcb, libcap, systemd, math, |