diff options
| -rw-r--r-- | backend/meson.build | 6 | ||||
| -rw-r--r-- | backend/x11/backend.c | 300 | ||||
| -rw-r--r-- | backend/x11/input_device.c | 122 | ||||
| -rw-r--r-- | backend/x11/output.c | 170 | ||||
| -rw-r--r-- | include/backend/x11.h | 24 |
5 files changed, 365 insertions, 257 deletions
diff --git a/backend/meson.build b/backend/meson.build index df12d703..52abe64d 100644 --- a/backend/meson.build +++ b/backend/meson.build @@ -50,7 +50,11 @@ if conf_data.get('WLR_HAS_SYSTEMD', false) endif if conf_data.get('WLR_HAS_X11_BACKEND', false) - backend_files += files('x11/backend.c') + backend_files += files( + 'x11/backend.c', + 'x11/input_device.c', + 'x11/output.c', + ) backend_deps += xcb_xkb endif diff --git a/backend/x11/backend.c b/backend/x11/backend.c index 8abc5d84..c72cdcac 100644 --- a/backend/x11/backend.c +++ b/backend/x11/backend.c @@ -1,5 +1,4 @@ #define _POSIX_C_SOURCE 200112L -#include <EGL/egl.h> #include <stdbool.h> #include <stdio.h> #include <stdlib.h> @@ -10,162 +9,66 @@ #include <wlr/config.h> #include <wlr/interfaces/wlr_input_device.h> #include <wlr/interfaces/wlr_keyboard.h> -#include <wlr/interfaces/wlr_output.h> #include <wlr/interfaces/wlr_pointer.h> #include <wlr/render/egl.h> #include <wlr/render/gles2.h> #include <wlr/util/log.h> #include <X11/Xlib-xcb.h> #include <xcb/xcb.h> -#ifdef __linux__ -#include <linux/input-event-codes.h> -#elif __FreeBSD__ -#include <dev/evdev/input-event-codes.h> -#endif #ifdef WLR_HAS_XCB_XKB #include <xcb/xkb.h> #endif #include "backend/x11.h" #include "util/signal.h" -#define XCB_EVENT_RESPONSE_TYPE_MASK 0x7f - -static const struct wlr_backend_impl backend_impl; -static const struct wlr_output_impl output_impl; -static const struct wlr_input_device_impl input_device_impl = { 0 }; - -static uint32_t xcb_button_to_wl(uint32_t button) { - switch (button) { - case XCB_BUTTON_INDEX_1: return BTN_LEFT; - case XCB_BUTTON_INDEX_2: return BTN_MIDDLE; - case XCB_BUTTON_INDEX_3: return BTN_RIGHT; - // XXX: I'm not sure the scroll-wheel direction is right - case XCB_BUTTON_INDEX_4: return BTN_GEAR_UP; - case XCB_BUTTON_INDEX_5: return BTN_GEAR_DOWN; - default: return 0; +struct wlr_x11_output *x11_output_from_window_id(struct wlr_x11_backend *x11, + xcb_window_t window) { + struct wlr_x11_output *output; + wl_list_for_each(output, &x11->outputs, link) { + if (output->win == window) { + return output; + } } + return NULL; } -static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *event) { - struct wlr_x11_output *output = &x11->output; +static bool handle_x11_event(struct wlr_x11_backend *x11, + xcb_generic_event_t *event) { + if (x11_handle_input_event(x11, event)) { + return false; + } switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) { case XCB_EXPOSE: { - wlr_output_send_frame(&output->wlr_output); - break; - } - case XCB_KEY_PRESS: - case XCB_KEY_RELEASE: { - xcb_key_press_event_t *ev = (xcb_key_press_event_t *)event; - struct wlr_event_keyboard_key key = { - .time_msec = ev->time, - .keycode = ev->detail - 8, - .state = event->response_type == XCB_KEY_PRESS ? - WLR_KEY_PRESSED : WLR_KEY_RELEASED, - .update_state = true, - }; - - // TODO use xcb-xkb for more precise modifiers state? - wlr_keyboard_notify_key(&x11->keyboard, &key); - x11->time = ev->time; - break; - } - case XCB_BUTTON_PRESS: { - xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; - - if (ev->detail == XCB_BUTTON_INDEX_4 || - ev->detail == XCB_BUTTON_INDEX_5) { - double delta = (ev->detail == XCB_BUTTON_INDEX_4 ? -15 : 15); - struct wlr_event_pointer_axis axis = { - .device = &x11->pointer_dev, - .time_msec = ev->time, - .source = WLR_AXIS_SOURCE_WHEEL, - .orientation = WLR_AXIS_ORIENTATION_VERTICAL, - .delta = delta, - }; - wlr_signal_emit_safe(&x11->pointer.events.axis, &axis); - x11->time = ev->time; - break; - } - } - /* fallthrough */ - case XCB_BUTTON_RELEASE: { - xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; - - if (ev->detail != XCB_BUTTON_INDEX_4 && - ev->detail != XCB_BUTTON_INDEX_5) { - struct wlr_event_pointer_button button = { - .device = &x11->pointer_dev, - .time_msec = ev->time, - .button = xcb_button_to_wl(ev->detail), - .state = event->response_type == XCB_BUTTON_PRESS ? - WLR_BUTTON_PRESSED : WLR_BUTTON_RELEASED, - }; - - wlr_signal_emit_safe(&x11->pointer.events.button, &button); + xcb_expose_event_t *ev = (xcb_expose_event_t *)event; + struct wlr_x11_output *output = + x11_output_from_window_id(x11, ev->window); + if (output != NULL) { + wlr_output_send_frame(&output->wlr_output); } - x11->time = ev->time; - break; - } - case XCB_MOTION_NOTIFY: { - xcb_motion_notify_event_t *ev = (xcb_motion_notify_event_t *)event; - struct wlr_event_pointer_motion_absolute abs = { - .device = &x11->pointer_dev, - .time_msec = ev->time, - .x = (double)ev->event_x / output->wlr_output.width, - .y = (double)ev->event_y / output->wlr_output.height, - }; - - wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs); - x11->time = ev->time; break; } case XCB_CONFIGURE_NOTIFY: { - xcb_configure_notify_event_t *ev = (xcb_configure_notify_event_t *)event; - - wlr_output_update_custom_mode(&output->wlr_output, ev->width, - ev->height, 0); - - // Move the pointer to its new location - xcb_query_pointer_cookie_t cookie = - xcb_query_pointer(x11->xcb_conn, output->win); - xcb_query_pointer_reply_t *pointer = - xcb_query_pointer_reply(x11->xcb_conn, cookie, NULL); - if (!pointer) { - break; + xcb_configure_notify_event_t *ev = + (xcb_configure_notify_event_t *)event; + struct wlr_x11_output *output = + x11_output_from_window_id(x11, ev->window); + if (output != NULL) { + x11_output_handle_configure_notify(output, ev); } - - struct wlr_event_pointer_motion_absolute abs = { - .device = &x11->pointer_dev, - .time_msec = x11->time, - .x = (double)pointer->root_x / output->wlr_output.width, - .y = (double)pointer->root_y / output->wlr_output.height, - }; - - wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs); - free(pointer); break; } case XCB_CLIENT_MESSAGE: { xcb_client_message_event_t *ev = (xcb_client_message_event_t *)event; - if (ev->data.data32[0] == x11->atoms.wm_delete_window) { - wl_display_terminate(x11->wl_display); - return true; + struct wlr_x11_output *output = + x11_output_from_window_id(x11, ev->window); + if (output != NULL) { + wlr_output_destroy(&output->wlr_output); + } } - break; } - default: -#ifdef WLR_HAS_XCB_XKB - if (x11->xkb_supported && event->response_type == x11->xkb_base_event) { - xcb_xkb_state_notify_event_t *ev = - (xcb_xkb_state_notify_event_t *)event; - wlr_keyboard_notify_modifiers(&x11->keyboard, ev->baseMods, - ev->latchedMods, ev->lockedMods, ev->lockedGroup); - } -#endif - break; } return false; @@ -180,64 +83,19 @@ static int x11_event(int fd, uint32_t mask, void *data) { } xcb_generic_event_t *e; - bool quit = false; - while (!quit && (e = xcb_poll_for_event(x11->xcb_conn))) { - quit = handle_x11_event(x11, e); + while ((e = xcb_poll_for_event(x11->xcb_conn))) { + bool quit = handle_x11_event(x11, e); free(e); + if (quit) { + break; + } } return 0; } -static int signal_frame(void *data) { - struct wlr_x11_backend *x11 = data; - wlr_output_send_frame(&x11->output.wlr_output); - wl_event_source_timer_update(x11->frame_timer, 16); - return 0; -} - -static void parse_xcb_setup(struct wlr_output *output, xcb_connection_t *xcb_conn) { - const xcb_setup_t *xcb_setup = xcb_get_setup(xcb_conn); - - snprintf(output->make, sizeof(output->make), "%.*s", - xcb_setup_vendor_length(xcb_setup), - xcb_setup_vendor(xcb_setup)); - snprintf(output->model, sizeof(output->model), "%"PRIu16".%"PRIu16, - xcb_setup->protocol_major_version, - xcb_setup->protocol_minor_version); -} - static bool wlr_x11_backend_start(struct wlr_backend *backend) { struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; - struct wlr_x11_output *output = &x11->output; - - uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; - uint32_t values[2] = { - x11->screen->white_pixel, - XCB_EVENT_MASK_EXPOSURE | - XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | - XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | - XCB_EVENT_MASK_POINTER_MOTION | - XCB_EVENT_MASK_STRUCTURE_NOTIFY - }; - - output->x11 = x11; - - wlr_output_init(&output->wlr_output, &x11->backend, &output_impl, - x11->wl_display); - snprintf(output->wlr_output.name, sizeof(output->wlr_output.name), "X11-1"); - parse_xcb_setup(&output->wlr_output, x11->xcb_conn); - - output->win = xcb_generate_id(x11->xcb_conn); - xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, output->win, - x11->screen->root, 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT, - x11->screen->root_visual, mask, values); - - output->surf = wlr_egl_create_surface(&x11->egl, &output->win); - if (!output->surf) { - wlr_log(L_ERROR, "Failed to create EGL surface"); - return false; - } struct { const char *name; @@ -279,17 +137,6 @@ static bool wlr_x11_backend_start(struct wlr_backend *backend) { } } - xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win, - x11->atoms.wm_protocols, XCB_ATOM_ATOM, 32, 1, - &x11->atoms.wm_delete_window); - - char title[32]; - if (snprintf(title, sizeof(title), "wlroots - %s", output->wlr_output.name)) { - xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win, - x11->atoms.net_wm_name, x11->atoms.utf8_string, 8, - strlen(title), title); - } - #ifdef WLR_HAS_XCB_XKB const xcb_query_extension_reply_t *reply = xcb_get_extension_data(x11->xcb_conn, &xcb_xkb_id); @@ -316,15 +163,12 @@ static bool wlr_x11_backend_start(struct wlr_backend *backend) { } #endif - xcb_map_window(x11->xcb_conn, output->win); - xcb_flush(x11->xcb_conn); - wlr_output_update_enabled(&output->wlr_output, true); - - wlr_signal_emit_safe(&x11->backend.events.new_output, output); wlr_signal_emit_safe(&x11->backend.events.new_input, &x11->keyboard_dev); wlr_signal_emit_safe(&x11->backend.events.new_input, &x11->pointer_dev); - wl_event_source_timer_update(x11->frame_timer, 16); + for (size_t i = 0; i < x11->requested_outputs; ++i) { + x11_output_create(x11); + } return true; } @@ -336,8 +180,10 @@ static void wlr_x11_backend_destroy(struct wlr_backend *backend) { struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; - struct wlr_x11_output *output = &x11->output; - wlr_output_destroy(&output->wlr_output); + struct wlr_x11_output *output, *tmp; + wl_list_for_each_safe(output, tmp, &x11->outputs, link) { + wlr_output_destroy(&output->wlr_output); + } wlr_signal_emit_safe(&x11->pointer_dev.events.destroy, &x11->pointer_dev); wlr_signal_emit_safe(&x11->keyboard_dev.events.destroy, &x11->keyboard_dev); @@ -357,7 +203,6 @@ static void wlr_x11_backend_destroy(struct wlr_backend *backend) { } wl_list_remove(&x11->display_destroy.link); - wl_event_source_remove(x11->frame_timer); wlr_egl_finish(&x11->egl); if (x11->xlib_conn) { @@ -403,6 +248,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, wlr_backend_init(&x11->backend, &backend_impl); x11->wl_display = display; + x11->requested_outputs = 1; + wl_list_init(&x11->outputs); x11->xlib_conn = XOpenDisplay(x11_display); if (!x11->xlib_conn) { @@ -427,8 +274,6 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, goto error_x11; } - x11->frame_timer = wl_event_loop_add_timer(ev, signal_frame, x11); - x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data; if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR, x11->xlib_conn, NULL, @@ -439,6 +284,7 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, x11->renderer = wlr_gles2_renderer_create(&x11->backend); if (x11->renderer == NULL) { wlr_log(L_ERROR, "Failed to create renderer"); + goto error_egl; } wlr_input_device_init(&x11->keyboard_dev, WLR_INPUT_DEVICE_KEYBOARD, @@ -456,6 +302,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display, return &x11->backend; +error_egl: + wlr_egl_finish(&x11->egl); error_event: wl_event_source_remove(x11->event_source); error_x11: @@ -463,59 +311,3 @@ error_x11: free(x11); return NULL; } - -static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width, - int32_t height, int32_t refresh) { - struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; - struct wlr_x11_backend *x11 = output->x11; - - const uint32_t values[] = { width, height }; - xcb_configure_window(x11->xcb_conn, output->win, - XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); - return true; -} - -static void output_transform(struct wlr_output *wlr_output, enum wl_output_transform transform) { - struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; - output->wlr_output.transform = transform; -} - -static void output_destroy(struct wlr_output *wlr_output) { - struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; - struct wlr_x11_backend *x11 = output->x11; - - eglDestroySurface(x11->egl.display, output->surf); - xcb_destroy_window(x11->xcb_conn, output->win); - // output has been allocated on the stack, do not free it -} - -static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age) { - struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; - struct wlr_x11_backend *x11 = output->x11; - - return wlr_egl_make_current(&x11->egl, output->surf, buffer_age); -} - -static bool output_swap_buffers(struct wlr_output *wlr_output, - pixman_region32_t *damage) { - struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; - struct wlr_x11_backend *x11 = output->x11; - - return wlr_egl_swap_buffers(&x11->egl, output->surf, damage); -} - -static const struct wlr_output_impl output_impl = { - .set_custom_mode = output_set_custom_mode, - .transform = output_transform, - .destroy = output_destroy, - .make_current = output_make_current, - .swap_buffers = output_swap_buffers, -}; - -bool wlr_output_is_x11(struct wlr_output *wlr_output) { - return wlr_output->impl == &output_impl; -} - -bool wlr_input_device_is_x11(struct wlr_input_device *wlr_dev) { - return wlr_dev->impl == &input_device_impl; -} diff --git a/backend/x11/input_device.c b/backend/x11/input_device.c new file mode 100644 index 00000000..fb7f8b85 --- /dev/null +++ b/backend/x11/input_device.c @@ -0,0 +1,122 @@ +#include <wlr/interfaces/wlr_input_device.h> +#include <wlr/interfaces/wlr_keyboard.h> +#include <wlr/interfaces/wlr_pointer.h> +#include <wlr/util/log.h> +#include <xcb/xcb.h> +#ifdef __linux__ +#include <linux/input-event-codes.h> +#elif __FreeBSD__ +#include <dev/evdev/input-event-codes.h> +#endif +#include "backend/x11.h" +#include "util/signal.h" + +static uint32_t xcb_button_to_wl(uint32_t button) { + switch (button) { + case XCB_BUTTON_INDEX_1: return BTN_LEFT; + case XCB_BUTTON_INDEX_2: return BTN_MIDDLE; + case XCB_BUTTON_INDEX_3: return BTN_RIGHT; + // XXX: I'm not sure the scroll-wheel direction is right + case XCB_BUTTON_INDEX_4: return BTN_GEAR_UP; + case XCB_BUTTON_INDEX_5: return BTN_GEAR_DOWN; + default: return 0; + } +} + +bool x11_handle_input_event(struct wlr_x11_backend *x11, + xcb_generic_event_t *event) { + switch (event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK) { + case XCB_KEY_PRESS: + case XCB_KEY_RELEASE: { + xcb_key_press_event_t *ev = (xcb_key_press_event_t *)event; + struct wlr_event_keyboard_key key = { + .time_msec = ev->time, + .keycode = ev->detail - 8, + .state = event->response_type == XCB_KEY_PRESS ? + WLR_KEY_PRESSED : WLR_KEY_RELEASED, + .update_state = true, + }; + + // TODO use xcb-xkb for more precise modifiers state? + wlr_keyboard_notify_key(&x11->keyboard, &key); + x11->time = ev->time; + return true; + } + case XCB_BUTTON_PRESS: { + xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; + + if (ev->detail == XCB_BUTTON_INDEX_4 || + ev->detail == XCB_BUTTON_INDEX_5) { + double delta = (ev->detail == XCB_BUTTON_INDEX_4 ? -15 : 15); + struct wlr_event_pointer_axis axis = { + .device = &x11->pointer_dev, + .time_msec = ev->time, + .source = WLR_AXIS_SOURCE_WHEEL, + .orientation = WLR_AXIS_ORIENTATION_VERTICAL, + .delta = delta, + }; + wlr_signal_emit_safe(&x11->pointer.events.axis, &axis); + x11->time = ev->time; + break; + } + } + /* fallthrough */ + case XCB_BUTTON_RELEASE: { + xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; + + if (ev->detail != XCB_BUTTON_INDEX_4 && + ev->detail != XCB_BUTTON_INDEX_5) { + struct wlr_event_pointer_button button = { + .device = &x11->pointer_dev, + .time_msec = ev->time, + .button = xcb_button_to_wl(ev->detail), + .state = event->response_type == XCB_BUTTON_PRESS ? + WLR_BUTTON_PRESSED : WLR_BUTTON_RELEASED, + }; + + wlr_signal_emit_safe(&x11->pointer.events.button, &button); + } + x11->time = ev->time; + return true; + } + case XCB_MOTION_NOTIFY: { + xcb_motion_notify_event_t *ev = (xcb_motion_notify_event_t *)event; + + struct wlr_x11_output *output = + x11_output_from_window_id(x11, ev->event); + if (output == NULL) { + return false; + } + + struct wlr_event_pointer_motion_absolute abs = { + .device = &x11->pointer_dev, + .time_msec = ev->time, + .x = (double)ev->event_x / output->wlr_output.width, + .y = (double)ev->event_y / output->wlr_output.height, + }; + + wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs); + x11->time = ev->time; + return true; + } + default: +#ifdef WLR_HAS_XCB_XKB + if (x11->xkb_supported && event->response_type == x11->xkb_base_event) { + xcb_xkb_state_notify_event_t *ev = + (xcb_xkb_state_notify_event_t *)event; + wlr_keyboard_notify_modifiers(&x11->keyboard, ev->baseMods, + ev->latchedMods, ev->lockedMods, ev->lockedGroup); + return true; + } +#endif + break; + } + + return false; +} + +const struct wlr_input_device_impl input_device_impl = { 0 }; + +bool wlr_input_device_is_x11(struct wlr_input_device *wlr_dev) { + return wlr_dev->impl == &input_device_impl; +} diff --git a/backend/x11/output.c b/backend/x11/output.c new file mode 100644 index 00000000..f039baad --- /dev/null +++ b/backend/x11/output.c @@ -0,0 +1,170 @@ +#include <stdlib.h> +#include <wlr/interfaces/wlr_output.h> +#include <wlr/util/log.h> +#include "backend/x11.h" +#include "util/signal.h" + +static int signal_frame(void *data) { + struct wlr_x11_output *output = data; + wlr_output_send_frame(&output->wlr_output); + wl_event_source_timer_update(output->frame_timer, output->frame_delay); + return 0; +} + +static void parse_xcb_setup(struct wlr_output *output, xcb_connection_t *xcb_conn) { + const xcb_setup_t *xcb_setup = xcb_get_setup(xcb_conn); + + snprintf(output->make, sizeof(output->make), "%.*s", + xcb_setup_vendor_length(xcb_setup), + xcb_setup_vendor(xcb_setup)); + snprintf(output->model, sizeof(output->model), "%"PRIu16".%"PRIu16, + xcb_setup->protocol_major_version, + xcb_setup->protocol_minor_version); +} + +static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width, + int32_t height, int32_t refresh) { + struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; + struct wlr_x11_backend *x11 = output->x11; + + wlr_output_update_custom_mode(&output->wlr_output, wlr_output->width, + wlr_output->height, refresh); + output->frame_delay = 1000000 / refresh; + + const uint32_t values[] = { width, height }; + xcb_configure_window(x11->xcb_conn, output->win, + XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values); + return true; +} + +static void output_transform(struct wlr_output *wlr_output, + enum wl_output_transform transform) { + struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; + output->wlr_output.transform = transform; +} + +static void output_destroy(struct wlr_output *wlr_output) { + struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; + struct wlr_x11_backend *x11 = output->x11; + + wl_list_remove(&output->link); + wl_event_source_remove(output->frame_timer); + eglDestroySurface(x11->egl.display, output->surf); + xcb_destroy_window(x11->xcb_conn, output->win); + free(output); +} + +static bool output_make_current(struct wlr_output *wlr_output, int *buffer_age) { + struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; + struct wlr_x11_backend *x11 = output->x11; + + return wlr_egl_make_current(&x11->egl, output->surf, buffer_age); +} + +static bool output_swap_buffers(struct wlr_output *wlr_output, + pixman_region32_t *damage) { + struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output; + struct wlr_x11_backend *x11 = output->x11; + + return wlr_egl_swap_buffers(&x11->egl, output->surf, damage); +} + +static const struct wlr_output_impl output_impl = { + .set_custom_mode = output_set_custom_mode, + .transform = output_transform, + .destroy = output_destroy, + .make_current = output_make_current, + .swap_buffers = output_swap_buffers, +}; + +struct wlr_x11_output *x11_output_create(struct wlr_x11_backend *x11) { + struct wlr_x11_output *output = calloc(1, sizeof(struct wlr_x11_output)); + if (output == NULL) { + return NULL; + } + output->x11 = x11; + output->frame_delay = 16; // 60 Hz + + struct wlr_output *wlr_output = &output->wlr_output; + wlr_output_init(wlr_output, &x11->backend, &output_impl, x11->wl_display); + + snprintf(wlr_output->name, sizeof(wlr_output->name), "X11-1"); + parse_xcb_setup(wlr_output, x11->xcb_conn); + + uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; + uint32_t values[2] = { + x11->screen->white_pixel, + XCB_EVENT_MASK_EXPOSURE | + XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_KEY_RELEASE | + XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | + XCB_EVENT_MASK_POINTER_MOTION | + XCB_EVENT_MASK_STRUCTURE_NOTIFY + }; + output->win = xcb_generate_id(x11->xcb_conn); + xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, output->win, + x11->screen->root, 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT, + x11->screen->root_visual, mask, values); + + output->surf = wlr_egl_create_surface(&x11->egl, &output->win); + if (!output->surf) { + wlr_log(L_ERROR, "Failed to create EGL surface"); + free(output); + return NULL; + } + + xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win, + x11->atoms.wm_protocols, XCB_ATOM_ATOM, 32, 1, + &x11->atoms.wm_delete_window); + + char title[32]; + if (snprintf(title, sizeof(title), "wlroots - %s", wlr_output->name)) { + xcb_change_property(x11->xcb_conn, XCB_PROP_MODE_REPLACE, output->win, + x11->atoms.net_wm_name, x11->atoms.utf8_string, 8, + strlen(title), title); + } + + xcb_map_window(x11->xcb_conn, output->win); + xcb_flush(x11->xcb_conn); + + struct wl_event_loop *ev = wl_display_get_event_loop(x11->wl_display); + output->frame_timer = wl_event_loop_add_timer(ev, signal_frame, output); + + wl_event_source_timer_update(output->frame_timer, output->frame_delay); + wlr_output_update_enabled(wlr_output, true); + + wl_list_insert(&x11->outputs, &output->link); + wlr_signal_emit_safe(&x11->backend.events.new_output, wlr_output); + + return output; +} + +void x11_output_handle_configure_notify(struct wlr_x11_output *output, + xcb_configure_notify_event_t *ev) { + struct wlr_x11_backend *x11 = output->x11; + + wlr_output_update_custom_mode(&output->wlr_output, ev->width, + ev->height, output->wlr_output.refresh); + + // Move the pointer to its new location + xcb_query_pointer_cookie_t cookie = + xcb_query_pointer(x11->xcb_conn, output->win); + xcb_query_pointer_reply_t *pointer = + xcb_query_pointer_reply(x11->xcb_conn, cookie, NULL); + if (!pointer) { + return; + } + + struct wlr_event_pointer_motion_absolute abs = { + .device = &x11->pointer_dev, + .time_msec = x11->time, + .x = (double)pointer->root_x / output->wlr_output.width, + .y = (double)pointer->root_y / output->wlr_output.height, + }; + + wlr_signal_emit_safe(&x11->pointer.events.motion_absolute, &abs); + free(pointer); +} + +bool wlr_output_is_x11(struct wlr_output *wlr_output) { + return wlr_output->impl == &output_impl; +} diff --git a/include/backend/x11.h b/include/backend/x11.h index 72710f6c..92a29725 100644 --- a/include/backend/x11.h +++ b/include/backend/x11.h @@ -6,15 +6,23 @@ #include <wlr/render/egl.h> #include <X11/Xlib-xcb.h> #include <xcb/xcb.h> +#include <wlr/interfaces/wlr_input_device.h> +#include <wlr/interfaces/wlr_output.h> + +#define XCB_EVENT_RESPONSE_TYPE_MASK 0x7f struct wlr_x11_backend; struct wlr_x11_output { struct wlr_output wlr_output; struct wlr_x11_backend *x11; + struct wl_list link; // wlr_x11_backend::outputs xcb_window_t win; EGLSurface surf; + + struct wl_event_source *frame_timer; + int frame_delay; }; struct wlr_x11_backend { @@ -25,7 +33,8 @@ struct wlr_x11_backend { xcb_connection_t *xcb_conn; xcb_screen_t *screen; - struct wlr_x11_output output; + size_t requested_outputs; + struct wl_list outputs; // wlr_x11_output::link struct wlr_keyboard keyboard; struct wlr_input_device keyboard_dev; @@ -36,7 +45,6 @@ struct wlr_x11_backend { struct wlr_egl egl; struct wlr_renderer *renderer; struct wl_event_source *event_source; - struct wl_event_source *frame_timer; struct { xcb_atom_t wm_protocols; @@ -57,4 +65,16 @@ struct wlr_x11_backend { struct wl_listener display_destroy; }; +struct wlr_x11_output *x11_output_from_window_id(struct wlr_x11_backend *x11, + xcb_window_t window); + +const struct wlr_input_device_impl input_device_impl; + +bool x11_handle_input_event(struct wlr_x11_backend *x11, + xcb_generic_event_t *event); + +struct wlr_x11_output *x11_output_create(struct wlr_x11_backend *x11); +void x11_output_handle_configure_notify(struct wlr_x11_output *output, + xcb_configure_notify_event_t *event); + #endif |