From f033f717a27b1ea0974db43118312c8b05587fec Mon Sep 17 00:00:00 2001 From: emersion Date: Wed, 28 Mar 2018 00:26:15 -0400 Subject: [PATCH] backend/x11: make xcb-xkb optional, remove global state --- backend/x11/backend.c | 61 +++++++++++++++++++++++-------------------- include/backend/x11.h | 6 +++++ meson.build | 6 ++++- 3 files changed, 44 insertions(+), 29 deletions(-) diff --git a/backend/x11/backend.c b/backend/x11/backend.c index 79b896fe..7d560d97 100644 --- a/backend/x11/backend.c +++ b/backend/x11/backend.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -16,12 +17,14 @@ #include #include #include -#include #ifdef __linux__ #include #elif __FreeBSD__ #include #endif +#ifdef WLR_HAS_XCB_XKB +#include +#endif #include "backend/x11.h" #include "util/signal.h" @@ -31,10 +34,6 @@ 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 }; -// TODO: remove global state -static uint8_t xkb_base_event; -static uint8_t xkb_base_error; - static uint32_t xcb_button_to_wl(uint32_t button) { switch (button) { case XCB_BUTTON_INDEX_1: return BTN_LEFT; @@ -162,12 +161,14 @@ static bool handle_x11_event(struct wlr_x11_backend *x11, xcb_generic_event_t *e break; } default: - if (event->response_type == xkb_base_event) { +#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; } @@ -236,28 +237,6 @@ static bool wlr_x11_backend_start(struct wlr_backend *backend) { x11->screen->root, 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT, x11->screen->root_visual, mask, values); - const xcb_query_extension_reply_t *reply = - xcb_get_extension_data(x11->xcb_conn, &xcb_xkb_id); - if (reply->present) { - xkb_base_event = reply->first_event; - xkb_base_error = reply->first_error; - - xcb_xkb_use_extension_cookie_t cookie = xcb_xkb_use_extension( - x11->xcb_conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION); - xcb_xkb_use_extension_reply_t *reply = - xcb_xkb_use_extension_reply(x11->xcb_conn, cookie, NULL); - if (reply && reply->supported) { - xcb_xkb_select_events(x11->xcb_conn, - XCB_XKB_ID_USE_CORE_KBD, - XCB_XKB_EVENT_TYPE_STATE_NOTIFY, - 0, - XCB_XKB_EVENT_TYPE_STATE_NOTIFY, - 0, - 0, - 0); - } - } - output->surf = wlr_egl_create_surface(&x11->egl, &output->win); if (!output->surf) { wlr_log(L_ERROR, "Failed to create EGL surface"); @@ -315,6 +294,32 @@ static bool wlr_x11_backend_start(struct wlr_backend *backend) { 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); + if (reply != NULL && reply->present) { + x11->xkb_base_event = reply->first_event; + x11->xkb_base_error = reply->first_error; + + xcb_xkb_use_extension_cookie_t cookie = xcb_xkb_use_extension( + x11->xcb_conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION); + xcb_xkb_use_extension_reply_t *reply = + xcb_xkb_use_extension_reply(x11->xcb_conn, cookie, NULL); + if (reply != NULL && reply->supported) { + x11->xkb_supported = true; + + xcb_xkb_select_events(x11->xcb_conn, + XCB_XKB_ID_USE_CORE_KBD, + XCB_XKB_EVENT_TYPE_STATE_NOTIFY, + 0, + XCB_XKB_EVENT_TYPE_STATE_NOTIFY, + 0, + 0, + 0); + } + } +#endif + xcb_map_window(x11->xcb_conn, output->win); xcb_flush(x11->xcb_conn); wlr_output_update_enabled(&output->wlr_output, true); diff --git a/include/backend/x11.h b/include/backend/x11.h index 840509bf..72710f6c 100644 --- a/include/backend/x11.h +++ b/include/backend/x11.h @@ -48,6 +48,12 @@ struct wlr_x11_backend { // The time we last received an event xcb_timestamp_t time; +#ifdef WLR_HAS_XCB_XKB + bool xkb_supported; + uint8_t xkb_base_event; + uint8_t xkb_base_error; +#endif + struct wl_listener display_destroy; }; diff --git a/meson.build b/meson.build index a48984c1..04c93817 100644 --- a/meson.build +++ b/meson.build @@ -85,18 +85,22 @@ if get_option('enable_x11_backend') or get_option('enable_xwayland') xcb = dependency('xcb') xcb_composite = dependency('xcb-composite') xcb_xfixes = dependency('xcb-xfixes') - xcb_xkb = dependency('xcb-xkb') # TODO: make this optional xcb_image = dependency('xcb-image') xcb_render = dependency('xcb-render') x11_xcb = dependency('x11-xcb') xcb_icccm = dependency('xcb-icccm', required: false) + xcb_xkb = dependency('xcb-xkb', required: false) xcb_errors = dependency('xcb-errors', required: get_option('enable_xcb_errors') == 'true') if xcb_icccm.found() conf_data.set('WLR_HAS_XCB_ICCCM', true) endif + if xcb_xkb.found() + conf_data.set('WLR_HAS_XCB_XKB', true) + endif + if xcb_errors.found() and get_option('enable_xcb_errors') != 'false' conf_data.set('WLR_HAS_XCB_ERRORS', true) endif