diff options
author | emersion <contact@emersion.fr> | 2017-11-17 23:29:47 +0100 |
---|---|---|
committer | emersion <contact@emersion.fr> | 2017-11-17 23:29:47 +0100 |
commit | 27937add762bb2594828ac678859bfdde4275f1e (patch) | |
tree | aa9813fd534d019a5e967ffad31d153d30ae7fa1 /rootston/keyboard.c | |
parent | 3e3209cba22c9a5a562acc5e543946408a36e2f4 (diff) | |
parent | bf5640db128b930b38ebca2b1d8a79e028ad9f39 (diff) |
Merge branch 'master' into laggy-move-resize
Diffstat (limited to 'rootston/keyboard.c')
-rw-r--r-- | rootston/keyboard.c | 277 |
1 files changed, 196 insertions, 81 deletions
diff --git a/rootston/keyboard.c b/rootston/keyboard.c index e174b731..39f46a32 100644 --- a/rootston/keyboard.c +++ b/rootston/keyboard.c @@ -10,17 +10,79 @@ #include <wlr/util/log.h> #include <xkbcommon/xkbcommon.h> #include "rootston/input.h" +#include "rootston/seat.h" +#include "rootston/keyboard.h" -static ssize_t keyboard_pressed_keysym_index(struct roots_keyboard *keyboard, +static ssize_t pressed_keysyms_index(xkb_keysym_t *pressed_keysyms, xkb_keysym_t keysym) { - for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; i++) { - if (keyboard->pressed_keysyms[i] == keysym) { + for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) { + if (pressed_keysyms[i] == keysym) { return i; } } return -1; } +static size_t pressed_keysyms_length(xkb_keysym_t *pressed_keysyms) { + size_t n = 0; + for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) { + if (pressed_keysyms[i] != XKB_KEY_NoSymbol) { + ++n; + } + } + return n; +} + +static void pressed_keysyms_add(xkb_keysym_t *pressed_keysyms, + xkb_keysym_t keysym) { + ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym); + if (i < 0) { + i = pressed_keysyms_index(pressed_keysyms, XKB_KEY_NoSymbol); + if (i >= 0) { + pressed_keysyms[i] = keysym; + } + } +} + +static void pressed_keysyms_remove(xkb_keysym_t *pressed_keysyms, + xkb_keysym_t keysym) { + ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym); + if (i >= 0) { + pressed_keysyms[i] = XKB_KEY_NoSymbol; + } +} + +static bool keysym_is_modifier(xkb_keysym_t keysym) { + switch (keysym) { + case XKB_KEY_Shift_L: case XKB_KEY_Shift_R: + case XKB_KEY_Control_L: case XKB_KEY_Control_R: + case XKB_KEY_Caps_Lock: + case XKB_KEY_Shift_Lock: + case XKB_KEY_Meta_L: case XKB_KEY_Meta_R: + case XKB_KEY_Alt_L: case XKB_KEY_Alt_R: + case XKB_KEY_Super_L: case XKB_KEY_Super_R: + case XKB_KEY_Hyper_L: case XKB_KEY_Hyper_R: + return true; + default: + return false; + } +} + +static void pressed_keysyms_update(xkb_keysym_t *pressed_keysyms, + const xkb_keysym_t *keysyms, size_t keysyms_len, + enum wlr_key_state state) { + for (size_t i = 0; i < keysyms_len; ++i) { + if (keysym_is_modifier(keysyms[i])) { + continue; + } + if (state == WLR_KEY_PRESSED) { + pressed_keysyms_add(pressed_keysyms, keysyms[i]); + } else { // WLR_KEY_RELEASED + pressed_keysyms_remove(pressed_keysyms, keysyms[i]); + } + } +} + static const char *exec_prefix = "exec "; static void keyboard_binding_execute(struct roots_keyboard *keyboard, @@ -37,7 +99,7 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard, } else if (strcmp(command, "next_window") == 0) { if (server->desktop->views->length > 0) { struct roots_view *view = server->desktop->views->items[0]; - set_view_focus(keyboard->input, server->desktop, view); + roots_seat_focus_view(keyboard->seat, view); } } else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) { const char *shell_cmd = command + strlen(exec_prefix); @@ -54,21 +116,14 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard, } /** - * Process a keypress from the keyboard. + * Execute a built-in, hardcoded compositor binding. These are triggered from a + * single keysym. * * Returns true if the keysym was handled by a binding and false if the event * should be propagated to clients. */ -static bool keyboard_keysym_press(struct roots_keyboard *keyboard, +static bool keyboard_execute_compositor_binding(struct roots_keyboard *keyboard, xkb_keysym_t keysym) { - ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym); - if (i < 0) { - i = keyboard_pressed_keysym_index(keyboard, XKB_KEY_NoSymbol); - if (i >= 0) { - keyboard->pressed_keysyms[i] = keysym; - } - } - if (keysym >= XKB_KEY_XF86Switch_VT_1 && keysym <= XKB_KEY_XF86Switch_VT_12) { struct roots_server *server = keyboard->input->server; @@ -84,21 +139,41 @@ static bool keyboard_keysym_press(struct roots_keyboard *keyboard, } if (keysym == XKB_KEY_Escape) { - wlr_seat_pointer_end_grab(keyboard->input->wl_seat); - wlr_seat_keyboard_end_grab(keyboard->input->wl_seat); + wlr_seat_pointer_end_grab(keyboard->seat->seat); + wlr_seat_keyboard_end_grab(keyboard->seat->seat); + } + + return false; +} + +/** + * Execute keyboard bindings. These include compositor bindings and user-defined + * bindings. + * + * Returns true if the keysym was handled by a binding and false if the event + * should be propagated to clients. + */ +static bool keyboard_execute_binding(struct roots_keyboard *keyboard, + xkb_keysym_t *pressed_keysyms, uint32_t modifiers, + const xkb_keysym_t *keysyms, size_t keysyms_len) { + for (size_t i = 0; i < keysyms_len; ++i) { + if (keyboard_execute_compositor_binding(keyboard, keysyms[i])) { + return true; + } } - uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard); + // User-defined bindings + size_t n = pressed_keysyms_length(pressed_keysyms); struct wl_list *bindings = &keyboard->input->server->config->bindings; - struct binding_config *bc; + struct roots_binding_config *bc; wl_list_for_each(bc, bindings, link) { - if (modifiers ^ bc->modifiers) { + if (modifiers ^ bc->modifiers || n != bc->keysyms_len) { continue; } bool ok = true; for (size_t i = 0; i < bc->keysyms_len; i++) { - ssize_t j = keyboard_pressed_keysym_index(keyboard, bc->keysyms[i]); + ssize_t j = pressed_keysyms_index(pressed_keysyms, bc->keysyms[i]); if (j < 0) { ok = false; break; @@ -114,56 +189,92 @@ static bool keyboard_keysym_press(struct roots_keyboard *keyboard, return false; } -static void keyboard_keysym_release(struct roots_keyboard *keyboard, - xkb_keysym_t keysym) { - ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym); - if (i >= 0) { - keyboard->pressed_keysyms[i] = XKB_KEY_NoSymbol; - } +/* + * Get keysyms and modifiers from the keyboard as xkb sees them. + * + * This uses the xkb keysyms translation based on pressed modifiers and clears + * the consumed modifiers from the list of modifiers passed to keybind + * detection. + * + * On US layout, pressing Alt+Shift+2 will trigger Alt+@. + */ +static size_t keyboard_keysyms_translated(struct roots_keyboard *keyboard, + xkb_keycode_t keycode, const xkb_keysym_t **keysyms, + uint32_t *modifiers) { + *modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard); + xkb_mod_mask_t consumed = xkb_state_key_get_consumed_mods2( + keyboard->device->keyboard->xkb_state, keycode, XKB_CONSUMED_MODE_XKB); + *modifiers = *modifiers & ~consumed; + + return xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state, + keycode, keysyms); } -static void keyboard_key_notify(struct wl_listener *listener, void *data) { - struct wlr_event_keyboard_key *event = data; - struct roots_keyboard *keyboard = wl_container_of(listener, keyboard, key); +/* + * Get keysyms and modifiers from the keyboard as if modifiers didn't change + * keysyms. + * + * This avoids the xkb keysym translation based on modifiers considered pressed + * in the state. + * + * This will trigger keybinds such as Alt+Shift+2. + */ +static size_t keyboard_keysyms_raw(struct roots_keyboard *keyboard, + xkb_keycode_t keycode, const xkb_keysym_t **keysyms, + uint32_t *modifiers) { + *modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard); + + xkb_layout_index_t layout_index = xkb_state_key_get_layout( + keyboard->device->keyboard->xkb_state, keycode); + return xkb_keymap_key_get_syms_by_level(keyboard->device->keyboard->keymap, + keycode, layout_index, 0, keysyms); +} - uint32_t keycode = event->keycode + 8; - const xkb_keysym_t *syms; - int syms_len = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state, - keycode, &syms); +void roots_keyboard_handle_key(struct roots_keyboard *keyboard, + struct wlr_event_keyboard_key *event) { + xkb_keycode_t keycode = event->keycode + 8; bool handled = false; - for (int i = 0; i < syms_len; i++) { - if (event->state == WLR_KEY_PRESSED) { - bool keysym_handled = keyboard_keysym_press(keyboard, syms[i]); - handled = handled || keysym_handled; - } else { // WLR_KEY_RELEASED - keyboard_keysym_release(keyboard, syms[i]); - } + uint32_t modifiers; + const xkb_keysym_t *keysyms; + size_t keysyms_len; + + // Handle translated keysyms + + keysyms_len = keyboard_keysyms_translated(keyboard, keycode, &keysyms, + &modifiers); + pressed_keysyms_update(keyboard->pressed_keysyms_translated, keysyms, + keysyms_len, event->state); + if (event->state == WLR_KEY_PRESSED) { + handled = keyboard_execute_binding(keyboard, + keyboard->pressed_keysyms_translated, modifiers, keysyms, + keysyms_len); + } + + // Handle raw keysyms + keysyms_len = keyboard_keysyms_raw(keyboard, keycode, &keysyms, &modifiers); + pressed_keysyms_update(keyboard->pressed_keysyms_raw, keysyms, keysyms_len, + event->state); + if (event->state == WLR_KEY_PRESSED && !handled) { + handled = keyboard_execute_binding(keyboard, + keyboard->pressed_keysyms_raw, modifiers, keysyms, keysyms_len); } if (!handled) { - wlr_seat_set_keyboard(keyboard->input->wl_seat, keyboard->device); - wlr_seat_keyboard_notify_key(keyboard->input->wl_seat, event->time_msec, + wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device); + wlr_seat_keyboard_notify_key(keyboard->seat->seat, event->time_msec, event->keycode, event->state); } } -static void keyboard_modifiers_notify(struct wl_listener *listener, void *data) { - struct roots_keyboard *r_keyboard = - wl_container_of(listener, r_keyboard, modifiers); - struct wlr_seat *seat = r_keyboard->input->wl_seat; - struct wlr_keyboard *keyboard = r_keyboard->device->keyboard; +void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard) { + struct wlr_seat *seat = r_keyboard->seat->seat; wlr_seat_set_keyboard(seat, r_keyboard->device); - wlr_seat_keyboard_notify_modifiers(seat, - keyboard->modifiers.depressed, - keyboard->modifiers.latched, - keyboard->modifiers.locked, - keyboard->modifiers.group); - + wlr_seat_keyboard_notify_modifiers(seat); } -static void keyboard_config_merge(struct keyboard_config *config, - struct keyboard_config *fallback) { +static void keyboard_config_merge(struct roots_keyboard_config *config, + struct roots_keyboard_config *fallback) { if (fallback == NULL) { return; } @@ -182,60 +293,64 @@ static void keyboard_config_merge(struct keyboard_config *config, if (config->options == NULL) { config->options = fallback->options; } + if (config->meta_key == 0) { + config->meta_key = fallback->meta_key; + } + if (config->name == NULL) { + config->name = fallback->name; + } } -void keyboard_add(struct wlr_input_device *device, struct roots_input *input) { +struct roots_keyboard *roots_keyboard_create(struct wlr_input_device *device, + struct roots_input *input) { struct roots_keyboard *keyboard = calloc(sizeof(struct roots_keyboard), 1); if (keyboard == NULL) { - return; + return NULL; } device->data = keyboard; keyboard->device = device; keyboard->input = input; - keyboard->key.notify = keyboard_key_notify; - wl_signal_add(&device->keyboard->events.key, &keyboard->key); - - keyboard->modifiers.notify = keyboard_modifiers_notify; - wl_signal_add(&device->keyboard->events.modifiers, &keyboard->modifiers); - - wl_list_insert(&input->keyboards, &keyboard->link); - - struct keyboard_config config; - memset(&config, 0, sizeof(config)); - keyboard_config_merge(&config, config_get_keyboard(input->config, device)); - keyboard_config_merge(&config, config_get_keyboard(input->config, NULL)); + struct roots_keyboard_config *config = + calloc(1, sizeof(struct roots_keyboard_config)); + if (config == NULL) { + free(keyboard); + return NULL; + } + keyboard_config_merge(config, roots_config_get_keyboard(input->config, device)); + keyboard_config_merge(config, roots_config_get_keyboard(input->config, NULL)); - struct keyboard_config env_config = { + struct roots_keyboard_config env_config = { .rules = getenv("XKB_DEFAULT_RULES"), .model = getenv("XKB_DEFAULT_MODEL"), .layout = getenv("XKB_DEFAULT_LAYOUT"), .variant = getenv("XKB_DEFAULT_VARIANT"), .options = getenv("XKB_DEFAULT_OPTIONS"), }; - keyboard_config_merge(&config, &env_config); + keyboard_config_merge(config, &env_config); + keyboard->config = config; struct xkb_rule_names rules; memset(&rules, 0, sizeof(rules)); - rules.rules = config.rules; - rules.model = config.model; - rules.layout = config.layout; - rules.variant = config.variant; - rules.options = config.options; + rules.rules = config->rules; + rules.model = config->model; + rules.layout = config->layout; + rules.variant = config->variant; + rules.options = config->options; struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); if (context == NULL) { wlr_log(L_ERROR, "Cannot create XKB context"); - return; + return NULL; } wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context, &rules, XKB_KEYMAP_COMPILE_NO_FLAGS)); xkb_context_unref(context); + + return keyboard; } -void keyboard_remove(struct wlr_input_device *device, struct roots_input *input) { - struct roots_keyboard *keyboard = device->data; - wl_list_remove(&keyboard->key.link); - wl_list_remove(&keyboard->modifiers.link); +void roots_keyboard_destroy(struct roots_keyboard *keyboard) { wl_list_remove(&keyboard->link); + free(keyboard->config); free(keyboard); } |