X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fbindings.c;h=bf04c4320be42de4ea63b479129a46489acc6657;hb=6dd4252cd5aaf7207fb9b432962c72f8dd06d0f4;hp=3463f8315304957f9d823a9bba6a6b4e94d3b36b;hpb=af49a8cd0d1319f1ca1486f3fe9ee8cd16613e15;p=i3%2Fi3 diff --git a/src/bindings.c b/src/bindings.c index 3463f831..bf04c432 100644 --- a/src/bindings.c +++ b/src/bindings.c @@ -32,8 +32,9 @@ static struct Mode *mode_from_name(const char *name, bool pango_markup) { /* Try to find the mode in the list of modes and return it */ SLIST_FOREACH(mode, &modes, modes) { - if (strcmp(mode->name, name) == 0) + if (strcmp(mode->name, name) == 0) { return mode; + } } /* If the mode was not found, create a new one */ @@ -55,12 +56,14 @@ static struct Mode *mode_from_name(const char *name, bool pango_markup) { */ Binding *configure_binding(const char *bindtype, const char *modifiers, const char *input_code, const char *release, const char *border, const char *whole_window, - const char *command, const char *modename, bool pango_markup) { + const char *exclude_titlebar, const char *command, const char *modename, + bool pango_markup) { Binding *new_binding = scalloc(1, sizeof(Binding)); - DLOG("bindtype %s, modifiers %s, input code %s, release %s\n", bindtype, modifiers, input_code, release); + DLOG("Binding %p bindtype %s, modifiers %s, input code %s, release %s\n", new_binding, bindtype, modifiers, input_code, release); new_binding->release = (release != NULL ? B_UPON_KEYRELEASE : B_UPON_KEYPRESS); new_binding->border = (border != NULL); new_binding->whole_window = (whole_window != NULL); + new_binding->exclude_titlebar = (exclude_titlebar != NULL); if (strcmp(bindtype, "bindsym") == 0) { new_binding->input_type = (strncasecmp(input_code, "button", (sizeof("button") - 1)) == 0 ? B_MOUSE @@ -68,15 +71,15 @@ Binding *configure_binding(const char *bindtype, const char *modifiers, const ch new_binding->symbol = sstrdup(input_code); } else { - char *endptr; - long keycode = strtol(input_code, &endptr, 10); - new_binding->keycode = keycode; - new_binding->input_type = B_KEYBOARD; - if (keycode == LONG_MAX || keycode == LONG_MIN || keycode < 0 || *endptr != '\0' || endptr == input_code) { + long keycode; + if (!parse_long(input_code, &keycode, 10)) { ELOG("Could not parse \"%s\" as an input code, ignoring this binding.\n", input_code); FREE(new_binding); return NULL; } + + new_binding->keycode = keycode; + new_binding->input_type = B_KEYBOARD; } new_binding->command = sstrdup(command); new_binding->event_state_mask = event_state_from_str(modifiers); @@ -95,33 +98,45 @@ Binding *configure_binding(const char *bindtype, const char *modifiers, const ch struct Mode *mode = mode_from_name(modename, pango_markup); TAILQ_INSERT_TAIL(mode->bindings, new_binding, bindings); + TAILQ_INIT(&(new_binding->keycodes_head)); + return new_binding; } -static void grab_keycode_for_binding(xcb_connection_t *conn, Binding *bind, uint32_t keycode) { - if (bind->input_type != B_KEYBOARD) - return; +static bool binding_in_current_group(const Binding *bind) { + /* If no bits are set, the binding should be installed in every group. */ + if ((bind->event_state_mask >> 16) == I3_XKB_GROUP_MASK_ANY) + return true; + switch (xkb_current_group) { + case XCB_XKB_GROUP_1: + return ((bind->event_state_mask >> 16) & I3_XKB_GROUP_MASK_1); + case XCB_XKB_GROUP_2: + return ((bind->event_state_mask >> 16) & I3_XKB_GROUP_MASK_2); + case XCB_XKB_GROUP_3: + return ((bind->event_state_mask >> 16) & I3_XKB_GROUP_MASK_3); + case XCB_XKB_GROUP_4: + return ((bind->event_state_mask >> 16) & I3_XKB_GROUP_MASK_4); + default: + ELOG("BUG: xkb_current_group (= %d) outside of [XCB_XKB_GROUP_1..XCB_XKB_GROUP_4]\n", xkb_current_group); + return false; + } +} +static void grab_keycode_for_binding(xcb_connection_t *conn, Binding *bind, uint32_t keycode) { /* Grab the key in all combinations */ #define GRAB_KEY(modifier) \ do { \ xcb_grab_key(conn, 0, root, modifier, keycode, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); \ } while (0) - int mods = bind->event_state_mask; - if (((mods >> 16) & I3_XKB_GROUP_MASK_1) && xkb_current_group != XCB_XKB_GROUP_1) - return; - if (((mods >> 16) & I3_XKB_GROUP_MASK_2) && xkb_current_group != XCB_XKB_GROUP_2) - return; - if (((mods >> 16) & I3_XKB_GROUP_MASK_3) && xkb_current_group != XCB_XKB_GROUP_3) - return; - if (((mods >> 16) & I3_XKB_GROUP_MASK_4) && xkb_current_group != XCB_XKB_GROUP_4) - return; - mods &= 0xFFFF; - DLOG("Grabbing keycode %d with event state mask 0x%x (mods 0x%x)\n", - keycode, bind->event_state_mask, mods); + const int mods = (bind->event_state_mask & 0xFFFF); + DLOG("Binding %p Grabbing keycode %d with event state mask 0x%x (mods 0x%x)\n", + bind, keycode, bind->event_state_mask, mods); GRAB_KEY(mods); + /* Also bind the key with active NumLock */ GRAB_KEY(mods | xcb_numlock_mask); + /* Also bind the key with active CapsLock */ GRAB_KEY(mods | XCB_MOD_MASK_LOCK); + /* Also bind the key with active NumLock+CapsLock */ GRAB_KEY(mods | xcb_numlock_mask | XCB_MOD_MASK_LOCK); } @@ -135,14 +150,22 @@ void grab_all_keys(xcb_connection_t *conn) { if (bind->input_type != B_KEYBOARD) continue; + if (!binding_in_current_group(bind)) + continue; + /* The easy case: the user specified a keycode directly. */ if (bind->keycode > 0) { grab_keycode_for_binding(conn, bind, bind->keycode); continue; } - for (uint32_t i = 0; i < bind->number_keycodes; i++) - grab_keycode_for_binding(conn, bind, bind->translated_to[i]); + struct Binding_Keycode *binding_keycode; + TAILQ_FOREACH(binding_keycode, &(bind->keycodes_head), keycodes) { + const int keycode = binding_keycode->keycode; + const int mods = (binding_keycode->modifiers & 0xFFFF); + DLOG("Binding %p Grabbing keycode %d with mods %d\n", bind, keycode, mods); + xcb_grab_key(conn, 0, root, mods, keycode, XCB_GRAB_MODE_SYNC, XCB_GRAB_MODE_ASYNC); + } } } @@ -152,7 +175,7 @@ void grab_all_keys(xcb_connection_t *conn) { * */ void regrab_all_buttons(xcb_connection_t *conn) { - bool grab_scrollwheel = bindings_should_grab_scrollwheel_buttons(); + int *buttons = bindings_get_buttons_to_grab(); xcb_grab_server(conn); Con *con; @@ -161,16 +184,24 @@ void regrab_all_buttons(xcb_connection_t *conn) { continue; xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, con->window->id, XCB_BUTTON_MASK_ANY); - xcb_grab_buttons(conn, con->window->id, grab_scrollwheel); + xcb_grab_buttons(conn, con->window->id, buttons); } - /* Also grab the root window to allow bindings to work on there as well. */ - xcb_ungrab_button(conn, XCB_BUTTON_INDEX_ANY, root, XCB_BUTTON_MASK_ANY); - xcb_grab_buttons(conn, root, grab_scrollwheel); - + FREE(buttons); xcb_ungrab_server(conn); } +static bool modifiers_match(const uint32_t modifiers_mask, const uint32_t modifiers_state) { + /* modifiers_mask is a special case: a value of 0 does not mean “match + * all”, but rather “match exactly when no modifiers are present”. */ + if (modifiers_mask == 0) { + /* Verify no modifiers are pressed. A bitwise AND would lead to + * false positives, see issue #2002. */ + return (modifiers_state == 0); + } + return ((modifiers_state & modifiers_mask) == modifiers_mask); +} + /* * Returns a pointer to the Binding with the specified modifiers and * keycode or NULL if no such binding exists. @@ -193,45 +224,47 @@ static Binding *get_binding(i3_event_state_mask_t state_filtered, bool is_releas const uint32_t xkb_group_state = (state_filtered & 0xFFFF0000); const uint32_t modifiers_state = (state_filtered & 0x0000FFFF); TAILQ_FOREACH(bind, bindings, bindings) { - const uint32_t xkb_group_mask = (bind->event_state_mask & 0xFFFF0000); - /* modifiers_mask is a special case: a value of 0 does not mean “match all”, - * but rather “match exactly when no modifiers are present”. */ - const uint32_t modifiers_mask = (bind->event_state_mask & 0x0000FFFF); - const bool groups_match = ((xkb_group_state & xkb_group_mask) == xkb_group_mask); - bool mods_match; - if (modifiers_mask == 0) { - /* Verify no modifiers are pressed. A bitwise AND would lead to - * false positives, see issue #2002. */ - mods_match = (modifiers_state == 0); - } else { - mods_match = ((modifiers_state & modifiers_mask) == modifiers_mask); - } - const bool state_matches = (groups_match && mods_match); - - DLOG("binding groups_match = %s, mods_match = %s, state_matches = %s\n", - (groups_match ? "yes" : "no"), - (mods_match ? "yes" : "no"), - (state_matches ? "yes" : "no")); - /* First compare the state_filtered (unless this is a - * B_UPON_KEYRELEASE_IGNORE_MODS binding and this is a KeyRelease - * event) */ if (bind->input_type != input_type) continue; - if (!state_matches && - (bind->release != B_UPON_KEYRELEASE_IGNORE_MODS || - !is_release)) + + const uint32_t xkb_group_mask = (bind->event_state_mask & 0xFFFF0000); + const bool groups_match = ((xkb_group_state & xkb_group_mask) == xkb_group_mask); + if (!groups_match) { + DLOG("skipping binding %p because XKB groups do not match\n", bind); continue; + } /* For keyboard bindings where a symbol was specified by the user, we * need to look in the array of translated keycodes for the event’s * keycode */ if (input_type == B_KEYBOARD && bind->symbol != NULL) { xcb_keycode_t input_keycode = (xcb_keycode_t)input_code; - if (memmem(bind->translated_to, - bind->number_keycodes * sizeof(xcb_keycode_t), - &input_keycode, sizeof(xcb_keycode_t)) == NULL) + bool found_keycode = false; + struct Binding_Keycode *binding_keycode; + TAILQ_FOREACH(binding_keycode, &(bind->keycodes_head), keycodes) { + const uint32_t modifiers_mask = (binding_keycode->modifiers & 0x0000FFFF); + const bool mods_match = modifiers_match(modifiers_mask, modifiers_state); + DLOG("binding_keycode->modifiers = %d, modifiers_mask = %d, modifiers_state = %d, mods_match = %s\n", + binding_keycode->modifiers, modifiers_mask, modifiers_state, (mods_match ? "yes" : "no")); + if (binding_keycode->keycode == input_keycode && mods_match) { + found_keycode = true; + break; + } + } + if (!found_keycode) continue; } else { + const uint32_t modifiers_mask = (bind->event_state_mask & 0x0000FFFF); + const bool mods_match = modifiers_match(modifiers_mask, modifiers_state); + DLOG("binding mods_match = %s\n", (mods_match ? "yes" : "no")); + /* First compare the state_filtered (unless this is a + * B_UPON_KEYRELEASE_IGNORE_MODS binding and this is a KeyRelease + * event) */ + if (!mods_match && + (bind->release != B_UPON_KEYRELEASE_IGNORE_MODS || + !is_release)) + continue; + /* This case is easier: The user specified a keycode */ if (bind->keycode != input_code) continue; @@ -241,8 +274,15 @@ static Binding *get_binding(i3_event_state_mask_t state_filtered, bool is_releas * user pressed. We therefore mark it as B_UPON_KEYRELEASE_IGNORE_MODS * for later, so that the user can release the modifiers before the * actual key or button and the release event will still be matched. */ - if (bind->release == B_UPON_KEYRELEASE && !is_release) + if (bind->release == B_UPON_KEYRELEASE && !is_release) { bind->release = B_UPON_KEYRELEASE_IGNORE_MODS; + DLOG("marked bind %p as B_UPON_KEYRELEASE_IGNORE_MODS\n", bind); + /* The correct binding has been found, so abort the search, but + * also don’t return this binding, since it should not be executed + * yet (only when the keys are released). */ + bind = TAILQ_END(bindings); + break; + } /* Check if the binding is for a press or a release event */ if ((bind->release == B_UPON_KEYPRESS && is_release) || @@ -272,9 +312,9 @@ Binding *get_binding_from_xcb_event(xcb_generic_event_t *event) { const uint16_t event_state = ((xcb_key_press_event_t *)event)->state; const uint16_t event_detail = ((xcb_key_press_event_t *)event)->detail; - /* Remove the numlock bit */ - i3_event_state_mask_t state_filtered = event_state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK); - DLOG("(removed numlock, state = 0x%x)\n", state_filtered); + /* Remove the CapsLock bit */ + i3_event_state_mask_t state_filtered = event_state & ~XCB_MOD_MASK_LOCK; + DLOG("(removed capslock, state = 0x%x)\n", state_filtered); /* Transform the keyboard_group from bit 13 and bit 14 into an * i3_xkb_group_mask_t, so that get_binding() can just bitwise AND the * configured bindings against |state_filtered|. @@ -315,6 +355,12 @@ struct resolve { /* Like |xkb_state|, just without the shift modifier, if shift was specified. */ struct xkb_state *xkb_state_no_shift; + + /* Like |xkb_state|, but with NumLock. */ + struct xkb_state *xkb_state_numlock; + + /* Like |xkb_state|, but with NumLock, just without the shift modifier, if shift was specified. */ + struct xkb_state *xkb_state_numlock_no_shift; }; /* @@ -325,6 +371,7 @@ struct resolve { */ static void add_keycode_if_matches(struct xkb_keymap *keymap, xkb_keycode_t key, void *data) { const struct resolve *resolving = data; + struct xkb_state *numlock_state = resolving->xkb_state_numlock; xkb_keysym_t sym = xkb_state_key_get_one_sym(resolving->xkb_state, key); if (sym != resolving->keysym) { /* Check if Shift was specified, and try resolving the symbol without @@ -334,16 +381,51 @@ static void add_keycode_if_matches(struct xkb_keymap *keymap, xkb_keycode_t key, return; if (xkb_state_key_get_level(resolving->xkb_state, key, layout) > 1) return; + /* Skip the Shift fallback for keypad keys, otherwise one cannot bind + * KP_1 independent of KP_End. */ + if (sym >= XKB_KEY_KP_Space && sym <= XKB_KEY_KP_Equal) + return; + numlock_state = resolving->xkb_state_numlock_no_shift; sym = xkb_state_key_get_one_sym(resolving->xkb_state_no_shift, key); if (sym != resolving->keysym) return; } Binding *bind = resolving->bind; - bind->number_keycodes++; - bind->translated_to = srealloc(bind->translated_to, - (sizeof(xcb_keycode_t) * - bind->number_keycodes)); - bind->translated_to[bind->number_keycodes - 1] = key; + +#define ADD_TRANSLATED_KEY(mods) \ + do { \ + struct Binding_Keycode *binding_keycode = smalloc(sizeof(struct Binding_Keycode)); \ + binding_keycode->modifiers = (mods); \ + binding_keycode->keycode = key; \ + TAILQ_INSERT_TAIL(&(bind->keycodes_head), binding_keycode, keycodes); \ + } while (0) + + ADD_TRANSLATED_KEY(bind->event_state_mask); + + /* Also bind the key with active CapsLock */ + ADD_TRANSLATED_KEY(bind->event_state_mask | XCB_MOD_MASK_LOCK); + + /* If this binding is not explicitly for NumLock, check whether we need to + * add a fallback. */ + if ((bind->event_state_mask & xcb_numlock_mask) != xcb_numlock_mask) { + /* Check whether the keycode results in the same keysym when NumLock is + * active. If so, grab the key with NumLock as well, so that users don’t + * need to duplicate every key binding with an additional Mod2 specified. + */ + xkb_keysym_t sym_numlock = xkb_state_key_get_one_sym(numlock_state, key); + if (sym_numlock == resolving->keysym) { + /* Also bind the key with active NumLock */ + ADD_TRANSLATED_KEY(bind->event_state_mask | xcb_numlock_mask); + + /* Also bind the key with active NumLock+CapsLock */ + ADD_TRANSLATED_KEY(bind->event_state_mask | xcb_numlock_mask | XCB_MOD_MASK_LOCK); + } else { + DLOG("Skipping automatic numlock fallback, key %d resolves to 0x%x with numlock\n", + key, sym_numlock); + } + } + +#undef ADD_TRANSLATED_KEY } /* @@ -363,17 +445,28 @@ void translate_keysyms(void) { return; } + struct xkb_state *dummy_state_numlock = xkb_state_new(xkb_keymap); + if (dummy_state_numlock == NULL) { + ELOG("Could not create XKB state, cannot translate keysyms.\n"); + return; + } + + struct xkb_state *dummy_state_numlock_no_shift = xkb_state_new(xkb_keymap); + if (dummy_state_numlock_no_shift == NULL) { + ELOG("Could not create XKB state, cannot translate keysyms.\n"); + return; + } + bool has_errors = false; Binding *bind; TAILQ_FOREACH(bind, bindings, bindings) { if (bind->input_type == B_MOUSE) { - char *endptr; - long button = strtol(bind->symbol + (sizeof("button") - 1), &endptr, 10); - bind->keycode = button; - - if (button == LONG_MAX || button == LONG_MIN || button < 0 || *endptr != '\0' || endptr == bind->symbol) + long button; + if (!parse_long(bind->symbol + (sizeof("button") - 1), &button, 10)) { ELOG("Could not translate string to button: \"%s\"\n", bind->symbol); + } + bind->keycode = button; continue; } @@ -396,7 +489,9 @@ void translate_keysyms(void) { else if ((bind->event_state_mask >> 16) & I3_XKB_GROUP_MASK_4) group = XCB_XKB_GROUP_4; - DLOG("group = %d, event_state_mask = %d, &2 = %s, &3 = %s, &4 = %s\n", group, + DLOG("Binding %p group = %d, event_state_mask = %d, &2 = %s, &3 = %s, &4 = %s\n", + bind, + group, bind->event_state_mask, (bind->event_state_mask & I3_XKB_GROUP_MASK_2) ? "yes" : "no", (bind->event_state_mask & I3_XKB_GROUP_MASK_3) ? "yes" : "no", @@ -419,21 +514,47 @@ void translate_keysyms(void) { 0 /* xkb_layout_index_t latched_group, */, group /* xkb_layout_index_t locked_group, */); + (void)xkb_state_update_mask( + dummy_state_numlock, + (bind->event_state_mask & 0x1FFF) | xcb_numlock_mask /* xkb_mod_mask_t base_mods, */, + 0 /* xkb_mod_mask_t latched_mods, */, + 0 /* xkb_mod_mask_t locked_mods, */, + 0 /* xkb_layout_index_t base_group, */, + 0 /* xkb_layout_index_t latched_group, */, + group /* xkb_layout_index_t locked_group, */); + + (void)xkb_state_update_mask( + dummy_state_numlock_no_shift, + ((bind->event_state_mask & 0x1FFF) | xcb_numlock_mask) ^ XCB_KEY_BUT_MASK_SHIFT /* xkb_mod_mask_t base_mods, */, + 0 /* xkb_mod_mask_t latched_mods, */, + 0 /* xkb_mod_mask_t locked_mods, */, + 0 /* xkb_layout_index_t base_group, */, + 0 /* xkb_layout_index_t latched_group, */, + group /* xkb_layout_index_t locked_group, */); + struct resolve resolving = { .bind = bind, .keysym = keysym, .xkb_state = dummy_state, .xkb_state_no_shift = dummy_state_no_shift, + .xkb_state_numlock = dummy_state_numlock, + .xkb_state_numlock_no_shift = dummy_state_numlock_no_shift, }; - FREE(bind->translated_to); - bind->number_keycodes = 0; + while (!TAILQ_EMPTY(&(bind->keycodes_head))) { + struct Binding_Keycode *first = TAILQ_FIRST(&(bind->keycodes_head)); + TAILQ_REMOVE(&(bind->keycodes_head), first, keycodes); + FREE(first); + } xkb_keymap_key_for_each(xkb_keymap, add_keycode_if_matches, &resolving); char *keycodes = sstrdup(""); - for (uint32_t n = 0; n < bind->number_keycodes; n++) { + int num_keycodes = 0; + struct Binding_Keycode *binding_keycode; + TAILQ_FOREACH(binding_keycode, &(bind->keycodes_head), keycodes) { char *tmp; - sasprintf(&tmp, "%s %d", keycodes, bind->translated_to[n]); + sasprintf(&tmp, "%s %d", keycodes, binding_keycode->keycode); free(keycodes); keycodes = tmp; + num_keycodes++; /* check for duplicate bindings */ Binding *check; @@ -442,8 +563,8 @@ void translate_keysyms(void) { continue; if (check->symbol != NULL) continue; - if (check->keycode != bind->translated_to[n] || - check->event_state_mask != bind->event_state_mask || + if (check->keycode != binding_keycode->keycode || + check->event_state_mask != binding_keycode->modifiers || check->release != bind->release) continue; has_errors = true; @@ -451,12 +572,14 @@ void translate_keysyms(void) { } } DLOG("state=0x%x, cfg=\"%s\", sym=0x%x → keycodes%s (%d)\n", - bind->event_state_mask, bind->symbol, keysym, keycodes, bind->number_keycodes); + bind->event_state_mask, bind->symbol, keysym, keycodes, num_keycodes); free(keycodes); } xkb_state_unref(dummy_state); xkb_state_unref(dummy_state_no_shift); + xkb_state_unref(dummy_state_numlock); + xkb_state_unref(dummy_state_numlock_no_shift); if (has_errors) { start_config_error_nagbar(current_configpath, true); @@ -619,10 +742,14 @@ static Binding *binding_copy(Binding *bind) { ret->symbol = sstrdup(bind->symbol); if (bind->command != NULL) ret->command = sstrdup(bind->command); - if (bind->translated_to != NULL) { - ret->translated_to = smalloc(sizeof(xcb_keycode_t) * bind->number_keycodes); - memcpy(ret->translated_to, bind->translated_to, sizeof(xcb_keycode_t) * bind->number_keycodes); + TAILQ_INIT(&(ret->keycodes_head)); + struct Binding_Keycode *binding_keycode; + TAILQ_FOREACH(binding_keycode, &(bind->keycodes_head), keycodes) { + struct Binding_Keycode *ret_binding_keycode = smalloc(sizeof(struct Binding_Keycode)); + *ret_binding_keycode = *binding_keycode; + TAILQ_INSERT_TAIL(&(ret->keycodes_head), ret_binding_keycode, keycodes); } + return ret; } @@ -634,8 +761,13 @@ void binding_free(Binding *bind) { return; } + while (!TAILQ_EMPTY(&(bind->keycodes_head))) { + struct Binding_Keycode *first = TAILQ_FIRST(&(bind->keycodes_head)); + TAILQ_REMOVE(&(bind->keycodes_head), first, keycodes); + FREE(first); + } + FREE(bind->symbol); - FREE(bind->translated_to); FREE(bind->command); FREE(bind); } @@ -815,31 +947,52 @@ bool load_keymap(void) { } /* - * Returns true if the current config has any binding to a scroll wheel button - * (4 or 5) which is a whole-window binding. - * We need this to figure out whether we should grab all buttons or just 1-3 - * when managing a window. See #2049. - * + * Returns a list of buttons that should be grabbed on a window. + * This list will always contain 1–3, all higher buttons will only be returned + * if there is a whole-window binding for it on some window in the current + * config. + * The list is terminated by a 0. */ -bool bindings_should_grab_scrollwheel_buttons(void) { +int *bindings_get_buttons_to_grab(void) { + /* Let's make the reasonable assumption that there's no more than 25 + * buttons. */ + int num_max = 25; + + int buffer[num_max]; + int num = 0; + + /* We always return buttons 1 through 3. */ + buffer[num++] = 1; + buffer[num++] = 2; + buffer[num++] = 3; + Binding *bind; TAILQ_FOREACH(bind, bindings, bindings) { + if (num + 1 == num_max) + break; + /* We are only interested in whole window mouse bindings. */ if (bind->input_type != B_MOUSE || !bind->whole_window) continue; - char *endptr; - long button = strtol(bind->symbol + (sizeof("button") - 1), &endptr, 10); - if (button == LONG_MAX || button == LONG_MIN || button < 0 || *endptr != '\0' || endptr == bind->symbol) { + long button; + if (!parse_long(bind->symbol + (sizeof("button") - 1), &button, 10)) { ELOG("Could not parse button number, skipping this binding. Please report this bug in i3.\n"); continue; } - /* If the binding is for either scrollwheel button, we need to grab everything. */ - if (button == 4 || button == 5) { - return true; + /* Avoid duplicates. */ + for (int i = 0; i < num; i++) { + if (buffer[i] == button) + continue; } + + buffer[num++] = button; } + buffer[num++] = 0; + + int *buttons = scalloc(num, sizeof(int)); + memcpy(buttons, buffer, num * sizeof(int)); - return false; + return buttons; }