/* * Copyright © 2008-2011 Kristian Høgsberg * Copyright © 2010-2011 Intel Corporation * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of the copyright holders not be used in * advertising or publicity pertaining to distribution of the software * without specific, written prior permission. The copyright holders make * no representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_XCB_XKB #include #endif #include #include #include #include #include #include "compositor.h" #include "../shared/config-parser.h" #define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10) static char *output_name; static char *output_mode; static char *output_transform; static int option_width; static int option_height; static int option_count; static struct wl_list configured_output_list; struct x11_configured_output { char *name; int width, height; uint32_t transform; struct wl_list link; }; struct x11_compositor { struct weston_compositor base; Display *dpy; xcb_connection_t *conn; xcb_screen_t *screen; xcb_cursor_t null_cursor; struct wl_array keys; struct wl_event_source *xcb_source; struct xkb_keymap *xkb_keymap; unsigned int has_xkb; uint8_t xkb_event_base; /* We could map multi-pointer X to multiple wayland seats, but * for now we only support core X input. */ struct weston_seat core_seat; struct { xcb_atom_t wm_protocols; xcb_atom_t wm_normal_hints; xcb_atom_t wm_size_hints; xcb_atom_t wm_delete_window; xcb_atom_t wm_class; xcb_atom_t net_wm_name; xcb_atom_t net_wm_icon; xcb_atom_t net_wm_state; xcb_atom_t net_wm_state_fullscreen; xcb_atom_t string; xcb_atom_t utf8_string; xcb_atom_t cardinal; xcb_atom_t xkb_names; } atom; }; struct x11_output { struct weston_output base; xcb_window_t window; struct weston_mode mode; struct wl_event_source *finish_frame_timer; }; static struct xkb_keymap * x11_compositor_get_keymap(struct x11_compositor *c) { xcb_get_property_cookie_t cookie; xcb_get_property_reply_t *reply; xcb_generic_error_t *error; struct xkb_rule_names names; struct xkb_keymap *ret; const char *value_all, *value_part; int length_all, length_part; memset(&names, 0, sizeof(names)); cookie = xcb_get_property(c->conn, 0, c->screen->root, c->atom.xkb_names, c->atom.string, 0, 1024); reply = xcb_get_property_reply(c->conn, cookie, &error); if (reply == NULL) return NULL; value_all = xcb_get_property_value(reply); length_all = xcb_get_property_value_length(reply); value_part = value_all; #define copy_prop_value(to) \ length_part = strlen(value_part); \ if (value_part + length_part < (value_all + length_all) && \ length_part > 0) \ names.to = value_part; \ value_part += length_part + 1; copy_prop_value(rules); copy_prop_value(model); copy_prop_value(layout); copy_prop_value(variant); copy_prop_value(options); #undef copy_prop_value ret = xkb_map_new_from_names(c->base.xkb_context, &names, 0); free(reply); return ret; } static uint32_t get_xkb_mod_mask(struct x11_compositor *c, uint32_t in) { struct weston_xkb_info *info = &c->core_seat.xkb_info; uint32_t ret = 0; if ((in & ShiftMask) && info->shift_mod != XKB_MOD_INVALID) ret |= (1 << info->shift_mod); if ((in & LockMask) && info->caps_mod != XKB_MOD_INVALID) ret |= (1 << info->caps_mod); if ((in & ControlMask) && info->ctrl_mod != XKB_MOD_INVALID) ret |= (1 << info->ctrl_mod); if ((in & Mod1Mask) && info->alt_mod != XKB_MOD_INVALID) ret |= (1 << info->alt_mod); if ((in & Mod2Mask) && info->mod2_mod != XKB_MOD_INVALID) ret |= (1 << info->mod2_mod); if ((in & Mod3Mask) && info->mod3_mod != XKB_MOD_INVALID) ret |= (1 << info->mod3_mod); if ((in & Mod4Mask) && info->super_mod != XKB_MOD_INVALID) ret |= (1 << info->super_mod); if ((in & Mod5Mask) && info->mod5_mod != XKB_MOD_INVALID) ret |= (1 << info->mod5_mod); return ret; } static void x11_compositor_setup_xkb(struct x11_compositor *c) { #ifndef HAVE_XCB_XKB weston_log("XCB-XKB not available during build\n"); c->has_xkb = 0; c->xkb_event_base = 0; return; #else const xcb_query_extension_reply_t *ext; xcb_generic_error_t *error; xcb_void_cookie_t select; xcb_xkb_per_client_flags_cookie_t pcf; xcb_xkb_per_client_flags_reply_t *pcf_reply; xcb_xkb_get_state_cookie_t state; xcb_xkb_get_state_reply_t *state_reply; c->has_xkb = 0; c->xkb_event_base = 0; ext = xcb_get_extension_data(c->conn, &xcb_xkb_id); if (!ext) { weston_log("XKB extension not available on host X11 server\n"); return; } c->xkb_event_base = ext->first_event; select = xcb_xkb_select_events_checked(c->conn, XCB_XKB_ID_USE_CORE_KBD, XCB_XKB_EVENT_TYPE_STATE_NOTIFY, 0, XCB_XKB_EVENT_TYPE_STATE_NOTIFY, 0, 0, NULL); error = xcb_request_check(c->conn, select); if (error) { weston_log("error: failed to select for XKB state events\n"); return; } pcf = xcb_xkb_per_client_flags(c->conn, XCB_XKB_ID_USE_CORE_KBD, XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT, XCB_XKB_PER_CLIENT_FLAG_DETECTABLE_AUTO_REPEAT, 0, 0, 0); pcf_reply = xcb_xkb_per_client_flags_reply(c->conn, pcf, &error); free(pcf_reply); if (error) { weston_log("failed to set XKB per-client flags, not using " "detectable repeat\n"); return; } state = xcb_xkb_get_state(c->conn, XCB_XKB_ID_USE_CORE_KBD); state_reply = xcb_xkb_get_state_reply(c->conn, state, &error); if (error) { weston_log("failed to get initial XKB state\n"); free(state_reply); return; } xkb_state_update_mask(c->core_seat.xkb_state.state, get_xkb_mod_mask(c, state_reply->baseMods), get_xkb_mod_mask(c, state_reply->latchedMods), get_xkb_mod_mask(c, state_reply->lockedMods), 0, 0, state_reply->group); free(state_reply); c->has_xkb = 1; #endif } static int x11_input_create(struct x11_compositor *c, int no_input) { struct xkb_keymap *keymap; weston_seat_init(&c->core_seat, &c->base); if (no_input) return 0; weston_seat_init_pointer(&c->core_seat); keymap = x11_compositor_get_keymap(c); weston_seat_init_keyboard(&c->core_seat, keymap); if (keymap) xkb_map_unref(keymap); x11_compositor_setup_xkb(c); return 0; } static void x11_input_destroy(struct x11_compositor *compositor) { weston_seat_release(&compositor->core_seat); } static int x11_compositor_init_egl(struct x11_compositor *c) { EGLint major, minor; EGLint n; EGLint config_attribs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1, EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, EGL_NONE }; c->base.egl_display = eglGetDisplay(c->dpy); if (c->base.egl_display == NULL) { weston_log("failed to create display\n"); return -1; } if (!eglInitialize(c->base.egl_display, &major, &minor)) { weston_log("failed to initialize display\n"); return -1; } if (!eglChooseConfig(c->base.egl_display, config_attribs, &c->base.egl_config, 1, &n) || n == 0) { weston_log("failed to choose config: %d\n", n); return -1; } return 0; } static void x11_compositor_fini_egl(struct x11_compositor *compositor) { gles2_renderer_destroy(&compositor->base); eglMakeCurrent(compositor->base.egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); eglTerminate(compositor->base.egl_display); eglReleaseThread(); } static void x11_output_repaint(struct weston_output *output_base, pixman_region32_t *damage) { struct x11_output *output = (struct x11_output *)output_base; struct weston_compositor *ec = output->base.compositor; ec->renderer->repaint_output(output_base, damage); wl_event_source_timer_update(output->finish_frame_timer, 10); } static int finish_frame_handler(void *data) { struct x11_output *output = data; uint32_t msec; struct timeval tv; gettimeofday(&tv, NULL); msec = tv.tv_sec * 1000 + tv.tv_usec / 1000; weston_output_finish_frame(&output->base, msec); return 1; } static void x11_output_destroy(struct weston_output *output_base) { struct x11_output *output = (struct x11_output *)output_base; struct x11_compositor *compositor = (struct x11_compositor *)output->base.compositor; wl_list_remove(&output->base.link); wl_event_source_remove(output->finish_frame_timer); eglDestroySurface(compositor->base.egl_display, output->base.egl_surface); xcb_destroy_window(compositor->conn, output->window); weston_output_destroy(&output->base); free(output); } static void x11_output_set_wm_protocols(struct x11_output *output) { xcb_atom_t list[1]; struct x11_compositor *c = (struct x11_compositor *) output->base.compositor; list[0] = c->atom.wm_delete_window; xcb_change_property (c->conn, XCB_PROP_MODE_REPLACE, output->window, c->atom.wm_protocols, XCB_ATOM_ATOM, 32, ARRAY_LENGTH(list), list); } static void x11_output_change_state(struct x11_output *output, int add, xcb_atom_t state) { xcb_client_message_event_t event; struct x11_compositor *c = (struct x11_compositor *) output->base.compositor; xcb_screen_iterator_t iter; #define _NET_WM_STATE_REMOVE 0 /* remove/unset property */ #define _NET_WM_STATE_ADD 1 /* add/set property */ #define _NET_WM_STATE_TOGGLE 2 /* toggle property */ memset(&event, 0, sizeof event); event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; event.window = output->window; event.type = c->atom.net_wm_state; event.data.data32[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; event.data.data32[1] = state; event.data.data32[2] = 0; event.data.data32[3] = 0; event.data.data32[4] = 0; iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); xcb_send_event(c->conn, 0, iter.data->root, XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (void *) &event); } struct wm_normal_hints { uint32_t flags; uint32_t pad[4]; int32_t min_width, min_height; int32_t max_width, max_height; int32_t width_inc, height_inc; int32_t min_aspect_x, min_aspect_y; int32_t max_aspect_x, max_aspect_y; int32_t base_width, base_height; int32_t win_gravity; }; #define WM_NORMAL_HINTS_MIN_SIZE 16 #define WM_NORMAL_HINTS_MAX_SIZE 32 static void x11_output_set_icon(struct x11_compositor *c, struct x11_output *output, const char *filename) { uint32_t *icon; int32_t width, height; pixman_image_t *image; image = load_image(filename); if (!image) return; width = pixman_image_get_width(image); height = pixman_image_get_height(image); icon = malloc(width * height * 4 + 8); if (!icon) { pixman_image_unref(image); return; } icon[0] = width; icon[1] = height; memcpy(icon + 2, pixman_image_get_data(image), width * height * 4); xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, c->atom.net_wm_icon, c->atom.cardinal, 32, width * height + 2, icon); free(icon); pixman_image_unref(image); } static struct x11_output * x11_compositor_create_output(struct x11_compositor *c, int x, int y, int width, int height, int fullscreen, int no_input, char *configured_name, uint32_t transform) { static const char name[] = "Weston Compositor"; static const char class[] = "weston-1\0Weston Compositor"; char title[32]; struct x11_output *output; xcb_screen_iterator_t iter; struct wm_normal_hints normal_hints; struct wl_event_loop *loop; uint32_t mask = XCB_CW_EVENT_MASK | XCB_CW_CURSOR; uint32_t values[2] = { XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_STRUCTURE_NOTIFY, 0 }; if (configured_name) sprintf(title, "%s - %s", name, configured_name); else strcpy(title, name); if (!no_input) values[0] |= 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_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_KEYMAP_STATE | XCB_EVENT_MASK_FOCUS_CHANGE; output = malloc(sizeof *output); if (output == NULL) return NULL; memset(output, 0, sizeof *output); output->mode.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; output->mode.width = width; output->mode.height = height; output->mode.refresh = 60000; wl_list_init(&output->base.mode_list); wl_list_insert(&output->base.mode_list, &output->mode.link); output->base.current = &output->mode; output->base.make = "xwayland"; output->base.model = "none"; weston_output_init(&output->base, &c->base, x, y, width, height, transform); values[1] = c->null_cursor; output->window = xcb_generate_id(c->conn); iter = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); xcb_create_window(c->conn, XCB_COPY_FROM_PARENT, output->window, iter.data->root, 0, 0, width, height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT, iter.data->root_visual, mask, values); /* Don't resize me. */ memset(&normal_hints, 0, sizeof normal_hints); normal_hints.flags = WM_NORMAL_HINTS_MAX_SIZE | WM_NORMAL_HINTS_MIN_SIZE; normal_hints.min_width = width; normal_hints.min_height = height; normal_hints.max_width = width; normal_hints.max_height = height; xcb_change_property (c->conn, XCB_PROP_MODE_REPLACE, output->window, c->atom.wm_normal_hints, c->atom.wm_size_hints, 32, sizeof normal_hints / 4, (uint8_t *) &normal_hints); /* Set window name. Don't bother with non-EWMH WMs. */ xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, c->atom.net_wm_name, c->atom.utf8_string, 8, strlen(title), title); xcb_change_property(c->conn, XCB_PROP_MODE_REPLACE, output->window, c->atom.wm_class, c->atom.string, 8, sizeof class, class); x11_output_set_icon(c, output, DATADIR "/weston/wayland.png"); xcb_map_window(c->conn, output->window); x11_output_set_wm_protocols(output); if (fullscreen) x11_output_change_state(output, 1, c->atom.net_wm_state_fullscreen); output->base.egl_surface = eglCreateWindowSurface(c->base.egl_display, c->base.egl_config, output->window, NULL); if (!output->base.egl_surface) { weston_log("failed to create window surface\n"); return NULL; } loop = wl_display_get_event_loop(c->base.wl_display); output->finish_frame_timer = wl_event_loop_add_timer(loop, finish_frame_handler, output); output->base.origin = output->base.current; output->base.repaint = x11_output_repaint; output->base.destroy = x11_output_destroy; output->base.assign_planes = NULL; output->base.set_backlight = NULL; output->base.set_dpms = NULL; output->base.switch_mode = NULL; wl_list_insert(c->base.output_list.prev, &output->base.link); weston_log("x11 output %dx%d, window id %d\n", width, height, output->window); return output; } static struct x11_output * x11_compositor_find_output(struct x11_compositor *c, xcb_window_t window) { struct x11_output *output; wl_list_for_each(output, &c->base.output_list, base.link) { if (output->window == window) return output; } return NULL; } #ifdef HAVE_XCB_XKB static void update_xkb_state(struct x11_compositor *c, xcb_xkb_state_notify_event_t *state) { xkb_state_update_mask(c->core_seat.xkb_state.state, get_xkb_mod_mask(c, state->baseMods), get_xkb_mod_mask(c, state->latchedMods), get_xkb_mod_mask(c, state->lockedMods), 0, 0, state->group); notify_modifiers(&c->core_seat, wl_display_next_serial(c->base.wl_display)); } #endif /** * This is monumentally unpleasant. If we don't have XCB-XKB bindings, * the best we can do (given that XCB also lacks XI2 support), is to take * the state from the core key events. Unfortunately that only gives us * the effective (i.e. union of depressed/latched/locked) state, and we * need the granularity. * * So we still update the state with every key event we see, but also use * the state field from X11 events as a mask so we don't get any stuck * modifiers. */ static void update_xkb_state_from_core(struct x11_compositor *c, uint16_t x11_mask) { uint32_t mask = get_xkb_mod_mask(c, x11_mask); struct wl_keyboard *keyboard = &c->core_seat.keyboard; xkb_state_update_mask(c->core_seat.xkb_state.state, keyboard->modifiers.mods_depressed & mask, keyboard->modifiers.mods_latched & mask, keyboard->modifiers.mods_locked & mask, 0, 0, (x11_mask >> 13) & 3); notify_modifiers(&c->core_seat, wl_display_next_serial(c->base.wl_display)); } static void x11_compositor_deliver_button_event(struct x11_compositor *c, xcb_generic_event_t *event, int state) { xcb_button_press_event_t *button_event = (xcb_button_press_event_t *) event; uint32_t button; struct x11_output *output; output = x11_compositor_find_output(c, button_event->event); if (state) xcb_grab_pointer(c->conn, 0, output->window, XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC, output->window, XCB_CURSOR_NONE, button_event->time); else xcb_ungrab_pointer(c->conn, button_event->time); if (!c->has_xkb) update_xkb_state_from_core(c, button_event->state); switch (button_event->detail) { default: button = button_event->detail + BTN_LEFT - 1; break; case 2: button = BTN_MIDDLE; break; case 3: button = BTN_RIGHT; break; case 4: /* Axis are measured in pixels, but the xcb events are discrete * steps. Therefore move the axis by some pixels every step. */ if (state) notify_axis(&c->core_seat, weston_compositor_get_time(), WL_POINTER_AXIS_VERTICAL_SCROLL, -DEFAULT_AXIS_STEP_DISTANCE); return; case 5: if (state) notify_axis(&c->core_seat, weston_compositor_get_time(), WL_POINTER_AXIS_VERTICAL_SCROLL, DEFAULT_AXIS_STEP_DISTANCE); return; case 6: if (state) notify_axis(&c->core_seat, weston_compositor_get_time(), WL_POINTER_AXIS_HORIZONTAL_SCROLL, -DEFAULT_AXIS_STEP_DISTANCE); return; case 7: if (state) notify_axis(&c->core_seat, weston_compositor_get_time(), WL_POINTER_AXIS_HORIZONTAL_SCROLL, DEFAULT_AXIS_STEP_DISTANCE); return; } notify_button(&c->core_seat, weston_compositor_get_time(), button, state ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED); } static void x11_output_transform_coordinate(struct x11_output *x11_output, wl_fixed_t *x, wl_fixed_t *y) { struct weston_output *output = &x11_output->base; wl_fixed_t tx, ty; wl_fixed_t width = wl_fixed_from_int(output->width - 1); wl_fixed_t height = wl_fixed_from_int(output->height - 1); switch(output->transform) { case WL_OUTPUT_TRANSFORM_NORMAL: default: tx = *x; ty = *y; break; case WL_OUTPUT_TRANSFORM_90: tx = *y; ty = height - *x; break; case WL_OUTPUT_TRANSFORM_180: tx = width - *x; ty = height - *y; break; case WL_OUTPUT_TRANSFORM_270: tx = width - *y; ty = *x; break; case WL_OUTPUT_TRANSFORM_FLIPPED: tx = width - *x; ty = *y; break; case WL_OUTPUT_TRANSFORM_FLIPPED_90: tx = width - *y; ty = height - *x; break; case WL_OUTPUT_TRANSFORM_FLIPPED_180: tx = *x; ty = height - *y; break; case WL_OUTPUT_TRANSFORM_FLIPPED_270: tx = *y; ty = *x; break; } tx += wl_fixed_from_int(output->x); ty += wl_fixed_from_int(output->y); *x = tx; *y = ty; } static void x11_compositor_deliver_motion_event(struct x11_compositor *c, xcb_generic_event_t *event) { struct x11_output *output; wl_fixed_t x, y; xcb_motion_notify_event_t *motion_notify = (xcb_motion_notify_event_t *) event; if (!c->has_xkb) update_xkb_state_from_core(c, motion_notify->state); output = x11_compositor_find_output(c, motion_notify->event); x = wl_fixed_from_int(motion_notify->event_x); y = wl_fixed_from_int(motion_notify->event_y); x11_output_transform_coordinate(output, &x, &y); notify_motion(&c->core_seat, weston_compositor_get_time(), x, y); } static void x11_compositor_deliver_enter_event(struct x11_compositor *c, xcb_generic_event_t *event) { struct x11_output *output; wl_fixed_t x, y; xcb_enter_notify_event_t *enter_notify = (xcb_enter_notify_event_t *) event; if (enter_notify->state >= Button1Mask) return; if (!c->has_xkb) update_xkb_state_from_core(c, enter_notify->state); output = x11_compositor_find_output(c, enter_notify->event); x = wl_fixed_from_int(enter_notify->event_x); y = wl_fixed_from_int(enter_notify->event_y); x11_output_transform_coordinate(output, &x, &y); notify_pointer_focus(&c->core_seat, &output->base, x, y); } static int x11_compositor_next_event(struct x11_compositor *c, xcb_generic_event_t **event, uint32_t mask) { if (mask & WL_EVENT_READABLE) { *event = xcb_poll_for_event(c->conn); } else { #ifdef HAVE_XCB_POLL_FOR_QUEUED_EVENT *event = xcb_poll_for_queued_event(c->conn); #else *event = xcb_poll_for_event(c->conn); #endif } return *event != NULL; } static int x11_compositor_handle_event(int fd, uint32_t mask, void *data) { struct x11_compositor *c = data; struct x11_output *output; xcb_generic_event_t *event, *prev; xcb_client_message_event_t *client_message; xcb_enter_notify_event_t *enter_notify; xcb_key_press_event_t *key_press, *key_release; xcb_keymap_notify_event_t *keymap_notify; xcb_focus_in_event_t *focus_in; xcb_expose_event_t *expose; xcb_atom_t atom; uint32_t *k; uint32_t i, set; uint8_t response_type; int count; prev = NULL; count = 0; while (x11_compositor_next_event(c, &event, mask)) { response_type = event->response_type & ~0x80; switch (prev ? prev->response_type & ~0x80 : 0x80) { case XCB_KEY_RELEASE: /* Suppress key repeat events; this is only used if we * don't have XCB XKB support. */ key_release = (xcb_key_press_event_t *) prev; key_press = (xcb_key_press_event_t *) event; if (response_type == XCB_KEY_PRESS && key_release->time == key_press->time && key_release->detail == key_press->detail) { /* Don't deliver the held key release * event or the new key press event. */ free(event); free(prev); prev = NULL; continue; } else { /* Deliver the held key release now * and fall through and handle the new * event below. */ update_xkb_state_from_core(c, key_release->state); notify_key(&c->core_seat, weston_compositor_get_time(), key_release->detail - 8, WL_KEYBOARD_KEY_STATE_RELEASED, STATE_UPDATE_AUTOMATIC); free(prev); prev = NULL; break; } case XCB_FOCUS_IN: assert(response_type == XCB_KEYMAP_NOTIFY); keymap_notify = (xcb_keymap_notify_event_t *) event; c->keys.size = 0; for (i = 0; i < ARRAY_LENGTH(keymap_notify->keys) * 8; i++) { set = keymap_notify->keys[i >> 3] & (1 << (i & 7)); if (set) { k = wl_array_add(&c->keys, sizeof *k); *k = i; } } /* Unfortunately the state only comes with the enter * event, rather than with the focus event. I'm not * sure of the exact semantics around it and whether * we can ensure that we get both? */ notify_keyboard_focus_in(&c->core_seat, &c->keys, STATE_UPDATE_AUTOMATIC); free(prev); prev = NULL; break; default: /* No previous event held */ break; } switch (response_type) { case XCB_KEY_PRESS: key_press = (xcb_key_press_event_t *) event; if (!c->has_xkb) update_xkb_state_from_core(c, key_press->state); notify_key(&c->core_seat, weston_compositor_get_time(), key_press->detail - 8, WL_KEYBOARD_KEY_STATE_PRESSED, c->has_xkb ? STATE_UPDATE_NONE : STATE_UPDATE_AUTOMATIC); break; case XCB_KEY_RELEASE: /* If we don't have XKB, we need to use the lame * autorepeat detection above. */ if (!c->has_xkb) { prev = event; break; } key_release = (xcb_key_press_event_t *) event; notify_key(&c->core_seat, weston_compositor_get_time(), key_release->detail - 8, WL_KEYBOARD_KEY_STATE_RELEASED, STATE_UPDATE_NONE); break; case XCB_BUTTON_PRESS: x11_compositor_deliver_button_event(c, event, 1); break; case XCB_BUTTON_RELEASE: x11_compositor_deliver_button_event(c, event, 0); break; case XCB_MOTION_NOTIFY: x11_compositor_deliver_motion_event(c, event); break; case XCB_EXPOSE: expose = (xcb_expose_event_t *) event; output = x11_compositor_find_output(c, expose->window); weston_output_schedule_repaint(&output->base); break; case XCB_ENTER_NOTIFY: x11_compositor_deliver_enter_event(c, event); break; case XCB_LEAVE_NOTIFY: enter_notify = (xcb_enter_notify_event_t *) event; if (enter_notify->state >= Button1Mask) break; if (!c->has_xkb) update_xkb_state_from_core(c, enter_notify->state); notify_pointer_focus(&c->core_seat, NULL, 0, 0); break; case XCB_CLIENT_MESSAGE: client_message = (xcb_client_message_event_t *) event; atom = client_message->data.data32[0]; if (atom == c->atom.wm_delete_window) wl_display_terminate(c->base.wl_display); break; case XCB_FOCUS_IN: focus_in = (xcb_focus_in_event_t *) event; if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED) break; prev = event; break; case XCB_FOCUS_OUT: focus_in = (xcb_focus_in_event_t *) event; if (focus_in->mode == XCB_NOTIFY_MODE_WHILE_GRABBED || focus_in->mode == XCB_NOTIFY_MODE_UNGRAB) break; notify_keyboard_focus_out(&c->core_seat); break; default: break; } #ifdef HAVE_XCB_XKB if (c->has_xkb && response_type == c->xkb_event_base) { xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *) event; if (state->xkbType == XCB_XKB_STATE_NOTIFY) update_xkb_state(c, state); } #endif count++; if (prev != event) free (event); } switch (prev ? prev->response_type & ~0x80 : 0x80) { case XCB_KEY_RELEASE: key_release = (xcb_key_press_event_t *) prev; update_xkb_state_from_core(c, key_release->state); notify_key(&c->core_seat, weston_compositor_get_time(), key_release->detail - 8, WL_KEYBOARD_KEY_STATE_RELEASED, STATE_UPDATE_AUTOMATIC); free(prev); prev = NULL; break; default: break; } return count; } #define F(field) offsetof(struct x11_compositor, field) static void x11_compositor_get_resources(struct x11_compositor *c) { static const struct { const char *name; int offset; } atoms[] = { { "WM_PROTOCOLS", F(atom.wm_protocols) }, { "WM_NORMAL_HINTS", F(atom.wm_normal_hints) }, { "WM_SIZE_HINTS", F(atom.wm_size_hints) }, { "WM_DELETE_WINDOW", F(atom.wm_delete_window) }, { "WM_CLASS", F(atom.wm_class) }, { "_NET_WM_NAME", F(atom.net_wm_name) }, { "_NET_WM_ICON", F(atom.net_wm_icon) }, { "_NET_WM_STATE", F(atom.net_wm_state) }, { "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) }, { "STRING", F(atom.string) }, { "UTF8_STRING", F(atom.utf8_string) }, { "CARDINAL", F(atom.cardinal) }, { "_XKB_RULES_NAMES", F(atom.xkb_names) }, }; xcb_intern_atom_cookie_t cookies[ARRAY_LENGTH(atoms)]; xcb_intern_atom_reply_t *reply; xcb_pixmap_t pixmap; xcb_gc_t gc; unsigned int i; uint8_t data[] = { 0, 0, 0, 0 }; for (i = 0; i < ARRAY_LENGTH(atoms); i++) cookies[i] = xcb_intern_atom (c->conn, 0, strlen(atoms[i].name), atoms[i].name); for (i = 0; i < ARRAY_LENGTH(atoms); i++) { reply = xcb_intern_atom_reply (c->conn, cookies[i], NULL); *(xcb_atom_t *) ((char *) c + atoms[i].offset) = reply->atom; free(reply); } pixmap = xcb_generate_id(c->conn); gc = xcb_generate_id(c->conn); xcb_create_pixmap(c->conn, 1, pixmap, c->screen->root, 1, 1); xcb_create_gc(c->conn, gc, pixmap, 0, NULL); xcb_put_image(c->conn, XCB_IMAGE_FORMAT_XY_PIXMAP, pixmap, gc, 1, 1, 0, 0, 0, 32, sizeof data, data); c->null_cursor = xcb_generate_id(c->conn); xcb_create_cursor (c->conn, c->null_cursor, pixmap, pixmap, 0, 0, 0, 0, 0, 0, 1, 1); xcb_free_gc(c->conn, gc); xcb_free_pixmap(c->conn, pixmap); } static void x11_restore(struct weston_compositor *ec) { } static void x11_free_configured_output(struct x11_configured_output *output) { free(output->name); free(output); } static void x11_destroy(struct weston_compositor *ec) { struct x11_compositor *compositor = (struct x11_compositor *)ec; struct x11_configured_output *o, *n; wl_list_for_each_safe(o, n, &configured_output_list, link) x11_free_configured_output(o); wl_event_source_remove(compositor->xcb_source); x11_input_destroy(compositor); weston_compositor_shutdown(ec); /* destroys outputs, too */ x11_compositor_fini_egl(compositor); XCloseDisplay(compositor->dpy); free(ec); } static struct weston_compositor * x11_compositor_create(struct wl_display *display, int fullscreen, int no_input, int argc, char *argv[], const char *config_file) { struct x11_compositor *c; struct x11_configured_output *o; struct x11_output *output; xcb_screen_iterator_t s; int i, x = 0, output_count = 0; int width, height, count; weston_log("initializing x11 backend\n"); c = malloc(sizeof *c); if (c == NULL) return NULL; memset(c, 0, sizeof *c); if (weston_compositor_init(&c->base, display, argc, argv, config_file) < 0) goto err_free; c->dpy = XOpenDisplay(NULL); if (c->dpy == NULL) goto err_free; c->conn = XGetXCBConnection(c->dpy); XSetEventQueueOwner(c->dpy, XCBOwnsEventQueue); if (xcb_connection_has_error(c->conn)) goto err_xdisplay; s = xcb_setup_roots_iterator(xcb_get_setup(c->conn)); c->screen = s.data; wl_array_init(&c->keys); x11_compositor_get_resources(c); c->base.wl_display = display; if (x11_compositor_init_egl(c) < 0) goto err_xdisplay; c->base.destroy = x11_destroy; c->base.restore = x11_restore; if (x11_input_create(c, no_input) < 0) goto err_egl; width = option_width ? option_width : 1024; height = option_height ? option_height : 640; count = option_count ? option_count : 1; wl_list_for_each(o, &configured_output_list, link) { output = x11_compositor_create_output(c, x, 0, option_width ? width : o->width, option_height ? height : o->height, fullscreen, no_input, o->name, o->transform); if (output == NULL) goto err_x11_input; x = pixman_region32_extents(&output->base.region)->x2; output_count++; if (option_count && output_count >= option_count) break; } for (i = output_count; i < count; i++) { output = x11_compositor_create_output(c, x, 0, width, height, fullscreen, no_input, NULL, WL_OUTPUT_TRANSFORM_NORMAL); if (output == NULL) goto err_x11_input; x = pixman_region32_extents(&output->base.region)->x2; } if (gles2_renderer_init(&c->base) < 0) goto err_egl; c->xcb_source = wl_event_loop_add_fd(c->base.input_loop, xcb_get_file_descriptor(c->conn), WL_EVENT_READABLE, x11_compositor_handle_event, c); wl_event_source_check(c->xcb_source); return &c->base; err_x11_input: x11_input_destroy(c); err_egl: x11_compositor_fini_egl(c); err_xdisplay: XCloseDisplay(c->dpy); err_free: free(c); return NULL; } static void x11_output_set_transform(struct x11_configured_output *output) { if (!output_transform) { output->transform = WL_OUTPUT_TRANSFORM_NORMAL; return; } if (!strcmp(output_transform, "normal")) output->transform = WL_OUTPUT_TRANSFORM_NORMAL; else if (!strcmp(output_transform, "90")) output->transform = WL_OUTPUT_TRANSFORM_90; else if (!strcmp(output_transform, "180")) output->transform = WL_OUTPUT_TRANSFORM_180; else if (!strcmp(output_transform, "270")) output->transform = WL_OUTPUT_TRANSFORM_270; else if (!strcmp(output_transform, "flipped")) output->transform = WL_OUTPUT_TRANSFORM_FLIPPED; else if (!strcmp(output_transform, "flipped-90")) output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90; else if (!strcmp(output_transform, "flipped-180")) output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180; else if (!strcmp(output_transform, "flipped-270")) output->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270; else { weston_log("Invalid transform \"%s\" for output %s\n", output_transform, output_name); output->transform = WL_OUTPUT_TRANSFORM_NORMAL; } } static void output_section_done(void *data) { struct x11_configured_output *output; output = malloc(sizeof *output); if (!output || !output_name || (output_name[0] != 'X') || (!output_mode && !output_transform)) { if (output_name) free(output_name); output_name = NULL; free(output); goto err_free; } output->name = output_name; if (output_mode) { if (sscanf(output_mode, "%dx%d", &output->width, &output->height) != 2) { weston_log("Invalid mode \"%s\" for output %s\n", output_mode, output_name); x11_free_configured_output(output); goto err_free; } } else { output->width = 1024; output->height = 640; } x11_output_set_transform(output); wl_list_insert(configured_output_list.prev, &output->link); err_free: if (output_mode) free(output_mode); if (output_transform) free(output_transform); output_mode = NULL; output_transform = NULL; } WL_EXPORT struct weston_compositor * backend_init(struct wl_display *display, int argc, char *argv[], const char *config_file) { int fullscreen = 0; int no_input = 0; const struct weston_option x11_options[] = { { WESTON_OPTION_INTEGER, "width", 0, &option_width }, { WESTON_OPTION_INTEGER, "height", 0, &option_height }, { WESTON_OPTION_BOOLEAN, "fullscreen", 0, &fullscreen }, { WESTON_OPTION_INTEGER, "output-count", 0, &option_count }, { WESTON_OPTION_BOOLEAN, "no-input", 0, &no_input }, }; parse_options(x11_options, ARRAY_LENGTH(x11_options), argc, argv); wl_list_init(&configured_output_list); const struct config_key x11_config_keys[] = { { "name", CONFIG_KEY_STRING, &output_name }, { "mode", CONFIG_KEY_STRING, &output_mode }, { "transform", CONFIG_KEY_STRING, &output_transform }, }; const struct config_section config_section[] = { { "output", x11_config_keys, ARRAY_LENGTH(x11_config_keys), output_section_done }, }; parse_config_file(config_file, config_section, ARRAY_LENGTH(config_section), NULL); return x11_compositor_create(display, fullscreen, no_input, argc, argv, config_file); }