Merge 13a487fb35 into 579e532908

include/config/keybind.h

@@ -45,6 +45,7 @@ bool keybind_the_same(struct keybind *a, struct keybind *b);
 
 bool keybind_contains_keycode(struct keybind *keybind, xkb_keycode_t keycode);
 bool keybind_contains_keysym(struct keybind *keybind, xkb_keysym_t keysym);
+bool keybind_contains_any_keysym(struct keybind *keybind, const xkb_keysym_t *syms, int nr_syms);
 
 void keybind_update_keycodes(void);
 #endif /* LABWC_KEYBIND_H */

src/action.c

@@ -8,6 +8,7 @@
 #include <unistd.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_scene.h>
+#include <wlr/types/wlr_seat.h>
 #include <wlr/util/log.h>
 #include "action-prompt-codes.h"
 #include "common/buf.h"
@@ -18,6 +19,7 @@
 #include "common/spawn.h"
 #include "common/string-helpers.h"
 #include "config/rcxml.h"
+#include "config/keybind.h"
 #include "cycle.h"
 #include "debug.h"
 #include "input/keyboard.h"
@@ -139,6 +141,7 @@ struct action_arg_list {
 	X(TOGGLE_SHOW_DESKTOP, "ToggleShowDesktop") \
 	X(WARP_CURSOR, "WarpCursor") \
 	X(HIDE_CURSOR, "HideCursor") \
+	X(SEND_KEY, "SendKey") \
 	X(DEBUG_TOGGLE_KEY_STATE_INDICATOR, "DebugToggleKeyStateIndicator")
 
 /*
@@ -535,6 +538,12 @@ action_arg_from_xml_node(struct action *action, const char *nodename, const char
 			goto cleanup;
 		}
 		break;
+	case ACTION_TYPE_SEND_KEY:
+		if (!strcasecmp(argument, "identifier") || !strcasecmp(argument, "key")) {
+			action_arg_add_str(action, argument, content);
+			goto cleanup;
+		}
+		break;
 	case ACTION_TYPE_IF:
 		if (!strcmp(argument, "message.prompt")) {
 			action_arg_add_str(action, "message.prompt", content);
@@ -652,6 +661,9 @@ action_is_valid(struct action *action)
 	case ACTION_TYPE_SNAP_TO_REGION:
 		arg_name = "region";
 		break;
+	case ACTION_TYPE_SEND_KEY:
+		arg_name = "identifier";
+		break;
 	case ACTION_TYPE_IF:
 	case ACTION_TYPE_FOR_EACH:
 		return action_branches_are_valid(action);
@@ -1054,6 +1066,141 @@ warp_cursor(struct view *view, const char *to, const char *x, const char *y)
 	cursor_update_focus();
 }
 
+static void
+action_key_update_keycodes_iter(struct xkb_keymap *keymap, xkb_keycode_t key, void *data)
+{
+	struct keybind *keybind = (struct keybind *)data;
+	const xkb_keysym_t *syms;
+
+	xkb_layout_index_t layouts = xkb_keymap_num_layouts(keymap);
+	for (xkb_layout_index_t layout = 0; layout < layouts; layout++) {
+		int nr_syms = xkb_keymap_key_get_syms_by_level(keymap, key, layout, 0, &syms);
+		if (!nr_syms) {
+			continue;
+		}
+		if (keybind->keycodes_layout >= 0
+				&& (xkb_layout_index_t)keybind->keycodes_layout != layout) {
+			/* Prevent storing keycodes from multiple layouts */
+			continue;
+		}
+		if (keybind_contains_any_keysym(keybind, syms, nr_syms)) {
+			if (keybind_contains_keycode(keybind, key)) {
+				/* Prevent storing the same keycode twice */
+				continue;
+			}
+			if (keybind->keycodes_len == MAX_KEYCODES) {
+				wlr_log(WLR_ERROR,
+					"Already stored %lu keycodes for keybind",
+					keybind->keycodes_len);
+				continue;
+			}
+			keybind->keycodes[keybind->keycodes_len++] = key;
+			keybind->keycodes_layout = layout;
+		}
+	}
+}
+
+static void
+action_key_update_keycodes(struct keybind *keybind, struct xkb_keymap *keymap)
+{
+	keybind->keycodes_len = 0;
+	keybind->keycodes_layout = -1;
+
+	xkb_keymap_key_for_each(keymap, action_key_update_keycodes_iter, keybind);
+}
+
+static bool
+action_key_parse(const char *key, struct wlr_keyboard_modifiers *modifiers,
+	uint32_t *keycodes, size_t *num_keycodes)
+{
+	struct wlr_keyboard *kb = wlr_seat_get_keyboard(server.seat.wlr_seat);
+	if (!kb) {
+		return false;
+	}
+	if (!key) {
+		*modifiers = kb->modifiers;
+		*num_keycodes = kb->num_keycodes > MAX_KEYCODES ? MAX_KEYCODES : kb->num_keycodes;
+		for (size_t i = 0; i < *num_keycodes; ++i) {
+			keycodes[i] = kb->keycodes[i];
+		}
+		return true;
+	}
+	if (!kb->keymap) {
+		return false;
+	}
+	struct keybind *k = NULL;
+	k = keybind_create(key);
+	if (!k) {
+		return false;
+	}
+
+	action_key_update_keycodes(k, kb->keymap);
+	modifiers->depressed = k->modifiers;
+	*num_keycodes = k->keycodes_len;
+	for (size_t i = 0; i < *num_keycodes; ++i) {
+		if (k->keycodes[i] < 8) {
+			keybind_destroy(k);
+			return false;
+		}
+		keycodes[i] = k->keycodes[i] - 8;
+	}
+	keybind_destroy(k);
+	if (modifiers->depressed == 0 && *num_keycodes == 0) {
+		return false;
+	}
+	return true;
+}
+
+static void
+action_send_key(struct action *action, struct view *view)
+{
+	struct view *target_view;
+	struct wlr_seat *wlr_seat = server.seat.wlr_seat;
+	struct wlr_keyboard *kb = wlr_seat_get_keyboard(server.seat.wlr_seat);
+	if (!kb) {
+		return;
+	}
+	struct timespec now = {0};
+	clock_gettime(CLOCK_MONOTONIC, &now);
+	uint64_t time_msec = now.tv_sec * 1000 + now.tv_nsec / 1000000;
+	const char *identifier = action_get_str(action, "identifier", NULL);
+	if (!identifier) {
+		return;
+	}
+	uint32_t *sent_keycodes = key_state_pressed_sent_keycodes();
+	int num_sent_keycodes = key_state_nr_pressed_sent_keycodes();
+	const char *key = action_get_str(action, "key", NULL);
+	struct wlr_keyboard_modifiers modifiers = {0};
+	uint32_t keycodes[MAX_KEYCODES];
+	size_t num_keycodes = 0;
+	if (!action_key_parse(key, &modifiers, keycodes, &num_keycodes)) {
+		wlr_log(WLR_ERROR, "Failed to parse key: %s", key);
+		return;
+	}
+	bool sent = false;
+	for_each_view(target_view, &server.views, LAB_VIEW_CRITERIA_NONE) {
+		if (target_view->surface && !strcasecmp(target_view->app_id, identifier)) {
+			wlr_seat_keyboard_notify_enter(wlr_seat, target_view->surface,
+				sent_keycodes, num_sent_keycodes, &modifiers);
+			wlr_seat_keyboard_notify_modifiers(wlr_seat, &modifiers);
+			for (size_t i = 0; i < num_keycodes; i++) {
+				wlr_seat_keyboard_notify_key(wlr_seat, (uint32_t)time_msec,
+					keycodes[i], WL_KEYBOARD_KEY_STATE_PRESSED);
+			}
+			for (size_t i = num_keycodes; i > 0; i--) {
+				wlr_seat_keyboard_notify_key(wlr_seat, (uint32_t)time_msec,
+					keycodes[i-1], WL_KEYBOARD_KEY_STATE_RELEASED);
+			}
+			sent = true;
+		}
+	}
+	if (sent && view && view->surface) {
+		wlr_seat_keyboard_notify_enter(wlr_seat, view->surface,
+			sent_keycodes, num_sent_keycodes, &kb->modifiers);
+		wlr_seat_keyboard_notify_modifiers(wlr_seat, &kb->modifiers);
+	}
+}
+
 static void
 run_action(struct view *view, struct action *action,
 	struct cursor_context *ctx)
@@ -1447,6 +1594,9 @@ run_action(struct view *view, struct action *action,
 		}
 		break;
 	}
+	case ACTION_TYPE_SEND_KEY:
+		action_send_key(action, view);
+		break;
 	case ACTION_TYPE_IF: {
 		/* At least one of the queries was matched or there was no query */
 		if (action_get_str(action, "message.prompt", NULL)) {

src/config/keybind.c

@@ -7,7 +7,6 @@
 #include <string.h>
 #include <wlr/types/wlr_keyboard_group.h>
 #include <wlr/util/log.h>
-#include "common/list.h"
 #include "common/mem.h"
 #include "config/rcxml.h"
 #include "labwc.h"
@@ -72,7 +71,7 @@ keybind_contains_keysym(struct keybind *keybind, xkb_keysym_t keysym)
 	return false;
 }
 
-static bool
+bool
 keybind_contains_any_keysym(struct keybind *keybind,
 		const xkb_keysym_t *syms, int nr_syms)
 {
@@ -205,7 +204,6 @@ keybind_create(const char *keybind)
 	if (!k) {
 		return NULL;
 	}
-	wl_list_append(&rc.keybinds, &k->link);
 	k->keysyms = xmalloc(k->keysyms_len * sizeof(xkb_keysym_t));
 	memcpy(k->keysyms, keysyms, k->keysyms_len * sizeof(xkb_keysym_t));
 	wl_list_init(&k->actions);

src/config/rcxml.c

@@ -593,6 +593,8 @@ fill_keybind(xmlNode *node)
 		keybind = keybind_create(keyname);
 		if (!keybind) {
 			wlr_log(WLR_ERROR, "Invalid keybind: %s", keyname);
+		} else {
+			wl_list_append(&rc.keybinds, &keybind->link);
 		}
 	}
 	if (!keybind) {
@@ -1617,7 +1619,7 @@ load_default_key_bindings(void)
 		if (!k) {
 			continue;
 		}
-
+		wl_list_append(&rc.keybinds, &k->link);
 		action = action_create(current->action);
 		wl_list_append(&k->actions, &action->link);