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228 lines
6.5 KiB
228 lines
6.5 KiB
#define _POSIX_C_SOURCE 200809L
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#include <strings.h>
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#include <wlr/util/log.h>
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#include "config.h"
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#include "log.h"
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#include "sway/commands.h"
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#include "sway/output.h"
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#include "sway/tree/arrange.h"
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#include "sway/tree/root.h"
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#include "sway/tree/view.h"
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#include "sway/tree/workspace.h"
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#include "stringop.h"
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static const char* EXPECTED_SYNTAX =
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"Expected 'swap container with id|con_id|mark <arg>'";
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static void swap_places(struct sway_container *con1,
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struct sway_container *con2) {
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struct sway_container *temp = malloc(sizeof(struct sway_container));
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temp->x = con1->x;
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temp->y = con1->y;
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temp->width = con1->width;
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temp->height = con1->height;
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temp->parent = con1->parent;
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temp->workspace = con1->workspace;
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con1->x = con2->x;
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con1->y = con2->y;
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con1->width = con2->width;
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con1->height = con2->height;
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con2->x = temp->x;
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con2->y = temp->y;
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con2->width = temp->width;
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con2->height = temp->height;
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int temp_index = container_sibling_index(con1);
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if (con2->parent) {
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container_insert_child(con2->parent, con1,
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container_sibling_index(con2));
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} else {
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workspace_insert_tiling(con2->workspace, con1,
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container_sibling_index(con2));
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}
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if (temp->parent) {
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container_insert_child(temp->parent, con2, temp_index);
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} else {
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workspace_insert_tiling(temp->workspace, con2, temp_index);
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}
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free(temp);
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}
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static void swap_focus(struct sway_container *con1,
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struct sway_container *con2, struct sway_seat *seat,
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struct sway_container *focus) {
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if (focus == con1 || focus == con2) {
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struct sway_workspace *ws1 = con1->workspace;
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struct sway_workspace *ws2 = con2->workspace;
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enum sway_container_layout layout1 = container_parent_layout(con1);
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enum sway_container_layout layout2 = container_parent_layout(con2);
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if (focus == con1 && (layout2 == L_TABBED || layout2 == L_STACKED)) {
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if (workspace_is_visible(ws2)) {
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seat_set_focus(seat, &con2->node);
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}
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seat_set_focus_container(seat, ws1 != ws2 ? con2 : con1);
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} else if (focus == con2 && (layout1 == L_TABBED
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|| layout1 == L_STACKED)) {
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if (workspace_is_visible(ws1)) {
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seat_set_focus(seat, &con1->node);
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}
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seat_set_focus_container(seat, ws1 != ws2 ? con1 : con2);
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} else if (ws1 != ws2) {
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seat_set_focus_container(seat, focus == con1 ? con2 : con1);
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} else {
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seat_set_focus_container(seat, focus);
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}
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} else {
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seat_set_focus_container(seat, focus);
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}
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}
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static void container_swap(struct sway_container *con1,
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struct sway_container *con2) {
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if (!sway_assert(con1 && con2, "Cannot swap with nothing")) {
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return;
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}
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if (!sway_assert(!container_has_ancestor(con1, con2)
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&& !container_has_ancestor(con2, con1),
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"Cannot swap ancestor and descendant")) {
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return;
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}
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if (!sway_assert(!container_is_floating(con1)
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&& !container_is_floating(con2),
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"Swapping with floating containers is not supported")) {
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return;
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}
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wlr_log(WLR_DEBUG, "Swapping containers %zu and %zu",
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con1->node.id, con2->node.id);
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bool fs1 = con1->is_fullscreen;
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bool fs2 = con2->is_fullscreen;
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if (fs1) {
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container_set_fullscreen(con1, false);
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}
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if (fs2) {
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container_set_fullscreen(con2, false);
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}
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struct sway_seat *seat = input_manager_get_default_seat();
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struct sway_container *focus = seat_get_focused_container(seat);
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struct sway_workspace *vis1 =
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output_get_active_workspace(con1->workspace->output);
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struct sway_workspace *vis2 =
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output_get_active_workspace(con2->workspace->output);
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char *stored_prev_name = NULL;
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if (seat->prev_workspace_name) {
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stored_prev_name = strdup(seat->prev_workspace_name);
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}
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swap_places(con1, con2);
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if (!workspace_is_visible(vis1)) {
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seat_set_focus(seat, seat_get_focus_inactive(seat, &vis1->node));
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}
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if (!workspace_is_visible(vis2)) {
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seat_set_focus(seat, seat_get_focus_inactive(seat, &vis2->node));
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}
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swap_focus(con1, con2, seat, focus);
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if (stored_prev_name) {
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free(seat->prev_workspace_name);
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seat->prev_workspace_name = stored_prev_name;
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}
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if (fs1) {
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container_set_fullscreen(con2, true);
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}
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if (fs2) {
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container_set_fullscreen(con1, true);
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}
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}
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static bool test_con_id(struct sway_container *container, void *con_id) {
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return container->node.id == (size_t)con_id;
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}
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static bool test_id(struct sway_container *container, void *id) {
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#ifdef HAVE_XWAYLAND
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xcb_window_t *wid = id;
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return (container->view && container->view->type == SWAY_VIEW_XWAYLAND
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&& container->view->wlr_xwayland_surface->window_id == *wid);
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#else
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return false;
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#endif
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}
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static bool test_mark(struct sway_container *container, void *mark) {
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if (container->view && container->view->marks->length) {
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return !list_seq_find(container->view->marks,
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(int (*)(const void *, const void *))strcmp, mark);
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}
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return false;
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}
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struct cmd_results *cmd_swap(int argc, char **argv) {
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struct cmd_results *error = NULL;
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if ((error = checkarg(argc, "swap", EXPECTED_AT_LEAST, 4))) {
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return error;
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}
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if (strcasecmp(argv[0], "container") || strcasecmp(argv[1], "with")) {
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return cmd_results_new(CMD_INVALID, "swap", EXPECTED_SYNTAX);
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}
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struct sway_container *current = config->handler_context.container;
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struct sway_container *other;
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char *value = join_args(argv + 3, argc - 3);
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if (strcasecmp(argv[2], "id") == 0) {
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#ifdef HAVE_XWAYLAND
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xcb_window_t id = strtol(value, NULL, 0);
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other = root_find_container(test_id, (void *)&id);
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#endif
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} else if (strcasecmp(argv[2], "con_id") == 0) {
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size_t con_id = atoi(value);
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other = root_find_container(test_con_id, (void *)con_id);
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} else if (strcasecmp(argv[2], "mark") == 0) {
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other = root_find_container(test_mark, (void *)value);
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} else {
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free(value);
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return cmd_results_new(CMD_INVALID, "swap", EXPECTED_SYNTAX);
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}
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if (!other) {
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error = cmd_results_new(CMD_FAILURE, "swap",
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"Failed to find %s '%s'", argv[2], value);
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} else if (!current) {
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error = cmd_results_new(CMD_FAILURE, "swap",
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"Can only swap with containers and views");
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} else if (container_has_ancestor(current, other)
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|| container_has_ancestor(other, current)) {
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error = cmd_results_new(CMD_FAILURE, "swap",
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"Cannot swap ancestor and descendant");
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} else if (container_is_floating(current) || container_is_floating(other)) {
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error = cmd_results_new(CMD_FAILURE, "swap",
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"Swapping with floating containers is not supported");
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}
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free(value);
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if (error) {
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return error;
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}
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container_swap(current, other);
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arrange_node(node_get_parent(¤t->node));
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if (node_get_parent(&other->node) != node_get_parent(¤t->node)) {
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arrange_node(node_get_parent(&other->node));
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}
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return cmd_results_new(CMD_SUCCESS, NULL, NULL);
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}
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