diff --git a/include/sway/config.h b/include/sway/config.h index b8da29c53..92536d103 100644 --- a/include/sway/config.h +++ b/include/sway/config.h @@ -22,14 +22,28 @@ struct sway_variable { char *value; }; + +enum binding_input_type { + BINDING_KEYCODE, + BINDING_KEYSYM, + BINDING_MOUSE, +}; + +enum binding_flags { + BINDING_RELEASE=1, + BINDING_LOCKED=2, // keyboard only + BINDING_BORDER=4, // mouse only; trigger on container border + BINDING_CONTENTS=8, // mouse only; trigger on container contents + BINDING_TITLEBAR=16 // mouse only; trigger on container titlebar +}; + /** * A key binding and an associated command. */ struct sway_binding { + enum binding_input_type type; int order; - bool release; - bool locked; - bool bindcode; + uint32_t flags; list_t *keys; // sorted in ascending order uint32_t modifiers; char *command; @@ -50,6 +64,7 @@ struct sway_mode { char *name; list_t *keysym_bindings; list_t *keycode_bindings; + list_t *mouse_bindings; bool pango; }; diff --git a/sway/commands/bind.c b/sway/commands/bind.c index 83e9e432a..6910237f2 100644 --- a/sway/commands/bind.c +++ b/sway/commands/bind.c @@ -34,11 +34,14 @@ void free_sway_binding(struct sway_binding *binding) { */ static bool binding_key_compare(struct sway_binding *binding_a, struct sway_binding *binding_b) { - if (binding_a->release != binding_b->release) { + if (binding_a->type != binding_b->type) { return false; } - if (binding_a->bindcode != binding_b->bindcode) { + uint32_t conflict_generating_flags = BINDING_RELEASE | BINDING_BORDER + | BINDING_CONTENTS | BINDING_TITLEBAR; + if ((binding_a->flags & conflict_generating_flags) != + (binding_b->flags & conflict_generating_flags)) { return false; } @@ -69,6 +72,66 @@ static int key_qsort_cmp(const void *keyp_a, const void *keyp_b) { return (key_a < key_b) ? -1 : ((key_a > key_b) ? 1 : 0); } + +/** + * From a keycode, bindcode, or bindsym name and the most likely binding type, + * identify the appropriate numeric value corresponding to the key. Return NULL + * and set *key_val if successful, otherwise return a specific error. Change + * the value of *type if the initial type guess was incorrect and if this + * was the first identified key. + */ +static struct cmd_results *identify_key(const char* name, bool first_key, + uint32_t* key_val, enum binding_input_type* type) { + if (*type == BINDING_KEYCODE) { + // check for keycode + xkb_keycode_t keycode = strtol(name, NULL, 10); + if (!xkb_keycode_is_legal_ext(keycode)) { + return cmd_results_new(CMD_INVALID, "bindcode", + "Invalid keycode '%s'", name); + } + *key_val = keycode; + } else { + // check for keysym + xkb_keysym_t keysym = xkb_keysym_from_name(name, + XKB_KEYSYM_CASE_INSENSITIVE); + + // Check for mouse binding + uint32_t button = 0; + if (strncasecmp(name, "button", strlen("button")) == 0 && + strlen(name) == strlen("button0")) { + button = name[strlen("button")] - '1' + BTN_LEFT; + } + + if (*type == BINDING_KEYSYM) { + if (button) { + if (first_key) { + *type = BINDING_MOUSE; + *key_val = button; + } else { + return cmd_results_new(CMD_INVALID, "bindsym", + "Mixed button '%s' into key sequence", name); + } + } else if (keysym) { + *key_val = keysym; + } else { + return cmd_results_new(CMD_INVALID, "bindsym", + "Unknown key '%s'", name); + } + } else { + if (button) { + *key_val = button; + } else if (keysym) { + return cmd_results_new(CMD_INVALID, "bindsym", + "Mixed keysym '%s' into button sequence", name); + } else { + return cmd_results_new(CMD_INVALID, "bindsym", + "Unknown button '%s'", name); + } + } + } + return NULL; +} + static struct cmd_results *cmd_bindsym_or_bindcode(int argc, char **argv, bool bindcode) { const char *bindtype = bindcode ? "bindcode" : "bindsym"; @@ -85,22 +148,34 @@ static struct cmd_results *cmd_bindsym_or_bindcode(int argc, char **argv, } binding->keys = create_list(); binding->modifiers = 0; - binding->release = false; - binding->locked = false; - binding->bindcode = bindcode; + binding->flags = 0; + binding->type = bindcode ? BINDING_KEYCODE : BINDING_KEYSYM; + + bool exclude_titlebar = false; // Handle --release and --locked while (argc > 0) { if (strcmp("--release", argv[0]) == 0) { - binding->release = true; + binding->flags |= BINDING_RELEASE; } else if (strcmp("--locked", argv[0]) == 0) { - binding->locked = true; + binding->flags |= BINDING_LOCKED; + } else if (strcmp("--whole-window", argv[0]) == 0) { + binding->flags |= BINDING_BORDER | BINDING_CONTENTS | BINDING_TITLEBAR; + } else if (strcmp("--border", argv[0]) == 0) { + binding->flags |= BINDING_BORDER; + } else if (strcmp("--exclude-titlebar", argv[0]) == 0) { + exclude_titlebar = true; } else { break; } argv++; argc--; } + if (binding->flags & (BINDING_BORDER | BINDING_CONTENTS | BINDING_TITLEBAR) + || exclude_titlebar) { + binding->type = BINDING_MOUSE; + } + if (argc < 2) { free_sway_binding(binding); return cmd_results_new(CMD_FAILURE, bindtype, @@ -119,64 +194,47 @@ static struct cmd_results *cmd_bindsym_or_bindcode(int argc, char **argv, continue; } - xkb_keycode_t keycode; - xkb_keysym_t keysym; - if (bindcode) { - // parse keycode - 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; - } - } else { - // Check for xkb key - keysym = 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")) { - keysym = ((char *)split->items[i])[strlen("button")] - '1' + BTN_LEFT; - } - if (!keysym) { - 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; - } + // Identify the key and possibly change binding->type + uint32_t key_val = 0; + error = identify_key(split->items[i], binding->keys->length == 0, + &key_val, &binding->type); + if (error) { + free_sway_binding(binding); + list_free(split); + return error; } + uint32_t *key = calloc(1, sizeof(uint32_t)); if (!key) { free_sway_binding(binding); free_flat_list(split); return cmd_results_new(CMD_FAILURE, bindtype, - "Unable to allocate binding"); + "Unable to allocate binding key"); } - - if (bindcode) { - *key = (uint32_t)keycode; - } else { - *key = (uint32_t)keysym; - } - + *key = key_val; list_add(binding->keys, key); } free_flat_list(split); binding->order = binding_order++; + // refine region of interest for mouse binding once we are certain + // that this is one + if (exclude_titlebar) { + binding->flags &= ~BINDING_TITLEBAR; + } else if (binding->type == BINDING_MOUSE) { + binding->flags |= BINDING_TITLEBAR; + } + // sort ascending list_qsort(binding->keys, key_qsort_cmp); list_t *mode_bindings; - if (bindcode) { + if (binding->type == BINDING_KEYCODE) { mode_bindings = config->current_mode->keycode_bindings; - } else { + } else if (binding->type == BINDING_KEYSYM) { mode_bindings = config->current_mode->keysym_bindings; + } else { + mode_bindings = config->current_mode->mouse_bindings; } // overwrite the binding if it already exists diff --git a/sway/config.c b/sway/config.c index ed624bfad..c2310ff72 100644 --- a/sway/config.c +++ b/sway/config.c @@ -56,6 +56,12 @@ static void free_mode(struct sway_mode *mode) { } list_free(mode->keycode_bindings); } + if (mode->mouse_bindings) { + for (i = 0; i < mode->mouse_bindings->length; i++) { + free_sway_binding(mode->mouse_bindings->items[i]); + } + list_free(mode->mouse_bindings); + } free(mode); } @@ -172,6 +178,7 @@ static void config_defaults(struct sway_config *config) { strcpy(config->current_mode->name, "default"); if (!(config->current_mode->keysym_bindings = create_list())) goto cleanup; if (!(config->current_mode->keycode_bindings = create_list())) goto cleanup; + if (!(config->current_mode->mouse_bindings = create_list())) goto cleanup; list_add(config->modes, config->current_mode); config->floating_mod = 0; diff --git a/sway/input/keyboard.c b/sway/input/keyboard.c index ede38519c..e6c5c3354 100644 --- a/sway/input/keyboard.c +++ b/sway/input/keyboard.c @@ -88,11 +88,13 @@ static void get_active_binding(const struct sway_shortcut_state *state, uint32_t modifiers, bool release, bool locked) { for (int i = 0; i < bindings->length; ++i) { struct sway_binding *binding = bindings->items[i]; + bool binding_locked = binding->flags | BINDING_LOCKED; + bool binding_release = binding->flags | BINDING_RELEASE; if (modifiers ^ binding->modifiers || state->npressed != (size_t)binding->keys->length || - locked > binding->locked || - release != binding->release) { + release != binding_release || + locked > binding_locked) { continue; }