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-rw-r--r--sway/commands/bind.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/sway/commands/bind.c b/sway/commands/bind.c
new file mode 100644
index 00000000..79121404
--- /dev/null
+++ b/sway/commands/bind.c
@@ -0,0 +1,245 @@
+#ifdef __linux__
+#include <linux/input-event-codes.h>
+#elif __FreeBSD__
+#include <dev/evdev/input-event-codes.h>
+#endif
+#include <xkbcommon/xkbcommon.h>
+#include <xkbcommon/xkbcommon-names.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+#include "util.h"
+
+int binding_order = 0;
+
+void free_sway_binding(struct sway_binding *binding) {
+ if (!binding) {
+ return;
+ }
+
+ if (binding->keys) {
+ free_flat_list(binding->keys);
+ }
+ free(binding->command);
+ free(binding);
+}
+
+/**
+ * Returns true if the bindings have the same key and modifier combinations.
+ * Note that keyboard layout is not considered, so the bindings might actually
+ * not be equivalent on some layouts.
+ */
+bool binding_key_compare(struct sway_binding *binding_a,
+ struct sway_binding *binding_b) {
+ if (binding_a->release != binding_b->release) {
+ return false;
+ }
+
+ if (binding_a->bindcode != binding_b->bindcode) {
+ return false;
+ }
+
+ if (binding_a->modifiers ^ binding_b->modifiers) {
+ return false;
+ }
+
+ if (binding_a->keys->length != binding_b->keys->length) {
+ return false;
+ }
+
+ int keys_len = binding_a->keys->length;
+ for (int i = 0; i < keys_len; ++i) {
+ uint32_t key_a = *(uint32_t*)binding_a->keys->items[i];
+ bool found = false;
+ for (int j = 0; j < keys_len; ++j) {
+ uint32_t key_b = *(uint32_t*)binding_b->keys->items[j];
+ if (key_b == key_a) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+struct cmd_results *cmd_bindsym(int argc, char **argv) {
+ struct cmd_results *error = NULL;
+ if ((error = checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1))) {
+ return error;
+ }
+
+ struct sway_binding *binding = calloc(1, sizeof(struct sway_binding));
+ if (!binding) {
+ return cmd_results_new(CMD_FAILURE, "bindsym",
+ "Unable to allocate binding");
+ }
+ binding->keys = create_list();
+ binding->modifiers = 0;
+ binding->release = false;
+ binding->bindcode = false;
+
+ // Handle --release
+ if (strcmp("--release", argv[0]) == 0) {
+ if (argc >= 3) {
+ binding->release = true;
+ argv++;
+ argc--;
+ } else {
+ free_sway_binding(binding);
+ return cmd_results_new(CMD_FAILURE, "bindsym",
+ "Invalid bindsym command "
+ "(expected more than 2 arguments, got %d)", argc);
+ }
+ }
+
+ binding->command = join_args(argv + 1, argc - 1);
+
+ list_t *split = split_string(argv[0], "+");
+ for (int i = 0; i < split->length; ++i) {
+ // Check for a modifier key
+ uint32_t mod;
+ if ((mod = get_modifier_mask_by_name(split->items[i])) > 0) {
+ binding->modifiers |= mod;
+ continue;
+ }
+ // Check for xkb key
+ xkb_keysym_t sym = xkb_keysym_from_name(split->items[i],
+ XKB_KEYSYM_CASE_INSENSITIVE);
+
+ // Check for mouse binding
+ if (strncasecmp(split->items[i], "button", strlen("button")) == 0 &&
+ strlen(split->items[i]) == strlen("button0")) {
+ sym = ((char *)split->items[i])[strlen("button")] - '1' + BTN_LEFT;
+ }
+ if (!sym) {
+ struct cmd_results *ret = cmd_results_new(CMD_INVALID, "bindsym",
+ "Unknown key '%s'", (char *)split->items[i]);
+ free_sway_binding(binding);
+ free_flat_list(split);
+ return ret;
+ }
+ xkb_keysym_t *key = calloc(1, sizeof(xkb_keysym_t));
+ if (!key) {
+ free_sway_binding(binding);
+ free_flat_list(split);
+ return cmd_results_new(CMD_FAILURE, "bindsym",
+ "Unable to allocate binding");
+ }
+ *key = sym;
+ list_add(binding->keys, key);
+ }
+ free_flat_list(split);
+ binding->order = binding_order++;
+
+ list_t *mode_bindings = config->current_mode->keysym_bindings;
+
+ // overwrite the binding if it already exists
+ bool overwritten = false;
+ for (int i = 0; i < mode_bindings->length; ++i) {
+ struct sway_binding *config_binding = mode_bindings->items[i];
+ if (binding_key_compare(binding, config_binding)) {
+ sway_log(L_DEBUG, "overwriting old binding with command '%s'",
+ config_binding->command);
+ free_sway_binding(config_binding);
+ mode_bindings->items[i] = binding;
+ overwritten = true;
+ }
+ }
+
+ if (!overwritten) {
+ list_add(mode_bindings, binding);
+ }
+
+ sway_log(L_DEBUG, "bindsym - Bound %s to command %s",
+ argv[0], binding->command);
+ return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *cmd_bindcode(int argc, char **argv) {
+ struct cmd_results *error = NULL;
+ if ((error = checkarg(argc, "bindcode", EXPECTED_MORE_THAN, 1))) {
+ return error;
+ }
+
+ struct sway_binding *binding = calloc(1, sizeof(struct sway_binding));
+ if (!binding) {
+ return cmd_results_new(CMD_FAILURE, "bindsym",
+ "Unable to allocate binding");
+ }
+ binding->keys = create_list();
+ binding->modifiers = 0;
+ binding->release = false;
+ binding->bindcode = true;
+
+ // Handle --release
+ if (strcmp("--release", argv[0]) == 0) {
+ if (argc >= 3) {
+ binding->release = true;
+ argv++;
+ argc--;
+ } else {
+ free_sway_binding(binding);
+ return cmd_results_new(CMD_FAILURE, "bindcode",
+ "Invalid bindcode command "
+ "(expected more than 2 arguments, got %d)", argc);
+ }
+ }
+
+ binding->command = join_args(argv + 1, argc - 1);
+
+ list_t *split = split_string(argv[0], "+");
+ for (int i = 0; i < split->length; ++i) {
+ // Check for a modifier key
+ uint32_t mod;
+ if ((mod = get_modifier_mask_by_name(split->items[i])) > 0) {
+ binding->modifiers |= mod;
+ continue;
+ }
+ // parse keycode
+ xkb_keycode_t keycode = (int)strtol(split->items[i], NULL, 10);
+ if (!xkb_keycode_is_legal_ext(keycode)) {
+ error =
+ cmd_results_new(CMD_INVALID, "bindcode",
+ "Invalid keycode '%s'", (char *)split->items[i]);
+ free_sway_binding(binding);
+ list_free(split);
+ return error;
+ }
+ xkb_keycode_t *key = calloc(1, sizeof(xkb_keycode_t));
+ *key = keycode - 8;
+ list_add(binding->keys, key);
+ }
+ free_flat_list(split);
+
+ binding->order = binding_order++;
+
+ list_t *mode_bindings = config->current_mode->keycode_bindings;
+
+ // overwrite the binding if it already exists
+ bool overwritten = false;
+ for (int i = 0; i < mode_bindings->length; ++i) {
+ struct sway_binding *config_binding = mode_bindings->items[i];
+ if (binding_key_compare(binding, config_binding)) {
+ sway_log(L_DEBUG, "overwriting old binding with command '%s'",
+ config_binding->command);
+ free_sway_binding(config_binding);
+ mode_bindings->items[i] = binding;
+ overwritten = true;
+ }
+ }
+
+ if (!overwritten) {
+ list_add(mode_bindings, binding);
+ }
+
+ sway_log(L_DEBUG, "bindcode - Bound %s to command %s",
+ argv[0], binding->command);
+ return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 23:21:13 +0000