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#define _XOPEN_SOURCE 500
#include <ctype.h>
#include <stdbool.h>
#include <string.h>
#include <strings.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/util/log.h>
#include "sway/commands.h"
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
#include "sway/ipc-server.h"
#include "sway/output.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/workspace.h"
#include "stringop.h"
#include "list.h"
#include "log.h"
static const char *expected_syntax =
"Expected 'move <left|right|up|down> <[px] px>' or "
"'move [--no-auto-back-and-forth] <container|window> [to] workspace <name>' or "
"'move <container|window|workspace> [to] output <name|direction>' or "
"'move <container|window> [to] mark <mark>'";
static struct sway_container *output_in_direction(const char *direction,
struct wlr_output *reference, int ref_lx, int ref_ly) {
struct {
char *name;
enum wlr_direction direction;
} names[] = {
{ "up", WLR_DIRECTION_UP },
{ "down", WLR_DIRECTION_DOWN },
{ "left", WLR_DIRECTION_LEFT },
{ "right", WLR_DIRECTION_RIGHT },
};
for (size_t i = 0; i < sizeof(names) / sizeof(names[0]); ++i) {
if (strcasecmp(names[i].name, direction) == 0) {
struct wlr_output *adjacent = wlr_output_layout_adjacent_output(
root_container.sway_root->output_layout,
names[i].direction, reference, ref_lx, ref_ly);
if (adjacent) {
struct sway_output *sway_output = adjacent->data;
return sway_output->swayc;
}
break;
}
}
return output_by_name(direction);
}
static struct cmd_results *cmd_move_container(struct sway_container *current,
int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "move container/window",
EXPECTED_AT_LEAST, 3))) {
return error;
}
if (current->type == C_WORKSPACE) {
if (current->children->length == 0) {
return cmd_results_new(CMD_FAILURE, "move",
"Can't move an empty workspace");
}
current = workspace_wrap_children(current);
} else if (current->type != C_CONTAINER && current->type != C_VIEW) {
return cmd_results_new(CMD_FAILURE, "move",
"Can only move containers and views.");
}
bool no_auto_back_and_forth = false;
while (strcasecmp(argv[0], "--no-auto-back-and-forth") == 0) {
no_auto_back_and_forth = true;
if (--argc < 3) {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
++argv;
}
while (strcasecmp(argv[1], "--no-auto-back-and-forth") == 0) {
no_auto_back_and_forth = true;
if (--argc < 3) {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
argv++;
}
while (strcasecmp(argv[1], "to") == 0) {
if (--argc < 3) {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
argv++;
}
struct sway_container *old_parent = current->parent;
struct sway_container *old_ws = container_parent(current, C_WORKSPACE);
struct sway_container *destination = NULL;
// determine destination
if (strcasecmp(argv[1], "workspace") == 0) {
// move container to workspace x
struct sway_container *ws = NULL;
char *ws_name = NULL;
if (strcasecmp(argv[2], "next") == 0 ||
strcasecmp(argv[2], "prev") == 0 ||
strcasecmp(argv[2], "next_on_output") == 0 ||
strcasecmp(argv[2], "prev_on_output") == 0 ||
strcasecmp(argv[2], "current") == 0) {
ws = workspace_by_name(argv[2]);
} else if (strcasecmp(argv[2], "back_and_forth") == 0) {
if (!(ws = workspace_by_name(argv[2]))) {
if (prev_workspace_name) {
ws_name = strdup(prev_workspace_name);
} else {
return cmd_results_new(CMD_FAILURE, "move",
"No workspace was previously active.");
}
}
} else {
if (strcasecmp(argv[2], "number") == 0) {
// move "container to workspace number x"
if (argc < 4) {
return cmd_results_new(CMD_INVALID, "move",
expected_syntax);
}
if (!isdigit(argv[3][0])) {
return cmd_results_new(CMD_INVALID, "move",
"Invalid workspace number '%s'", argv[3]);
}
ws_name = join_args(argv + 3, argc - 3);
ws = workspace_by_number(ws_name);
} else {
ws_name = join_args(argv + 2, argc - 2);
ws = workspace_by_name(ws_name);
}
if (!no_auto_back_and_forth && config->auto_back_and_forth &&
prev_workspace_name) {
// auto back and forth move
if (old_ws->name && strcmp(old_ws->name, ws_name) == 0) {
// if target workspace is the current one
free(ws_name);
ws_name = strdup(prev_workspace_name);
ws = workspace_by_name(ws_name);
}
}
}
if (!ws) {
// We have to create the workspace, but if the container is
// sticky and the workspace is going to be created on the same
// output, we'll bail out first.
if (container_is_floating(current) && current->is_sticky) {
struct sway_container *old_output =
container_parent(current, C_OUTPUT);
struct sway_container *new_output =
workspace_get_initial_output(ws_name);
if (old_output == new_output) {
free(ws_name);
return cmd_results_new(CMD_FAILURE, "move",
"Can't move sticky container to another workspace "
"on the same output");
}
}
ws = workspace_create(NULL, ws_name);
}
free(ws_name);
destination = seat_get_focus_inactive(config->handler_context.seat, ws);
} else if (strcasecmp(argv[1], "output") == 0) {
struct sway_container *source = container_parent(current, C_OUTPUT);
struct sway_container *dest_output = output_in_direction(argv[2],
source->sway_output->wlr_output, current->x, current->y);
if (!dest_output) {
return cmd_results_new(CMD_FAILURE, "move workspace",
"Can't find output with name/direction '%s'", argv[2]);
}
destination = seat_get_focus_inactive(
config->handler_context.seat, dest_output);
if (!destination) {
// We've never been to this output before
destination = dest_output->children->items[0];
}
} else if (strcasecmp(argv[1], "mark") == 0) {
struct sway_view *dest_view = view_find_mark(argv[2]);
if (dest_view == NULL) {
return cmd_results_new(CMD_FAILURE, "move",
"Mark '%s' not found", argv[2]);
}
destination = dest_view->swayc;
} else {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
if (container_is_floating(current) && current->is_sticky) {
struct sway_container *old_output = container_parent(current, C_OUTPUT);
struct sway_container *new_output = destination->type == C_OUTPUT ?
destination : container_parent(destination, C_OUTPUT);
if (old_output == new_output) {
return cmd_results_new(CMD_FAILURE, "move", "Can't move sticky "
"container to another workspace on the same output");
}
}
// move container, arrange windows and return focus
container_move_to(current, destination);
struct sway_container *focus =
seat_get_focus_inactive(config->handler_context.seat, old_parent);
seat_set_focus_warp(config->handler_context.seat, focus, true, false);
container_reap_empty(old_parent);
container_reap_empty(destination->parent);
// TODO: Ideally we would arrange the surviving parent after reaping,
// but container_reap_empty does not return it, so we arrange the
// workspace instead.
arrange_windows(old_ws);
arrange_windows(destination->parent);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static void workspace_move_to_output(struct sway_container *workspace,
struct sway_container *output) {
if (!sway_assert(workspace->type == C_WORKSPACE, "Expected a workspace")) {
return;
}
if (!sway_assert(output->type == C_OUTPUT, "Expected an output")) {
return;
}
if (workspace->parent == output) {
return;
}
struct sway_container *old_output = container_remove_child(workspace);
struct sway_seat *seat = input_manager_get_default_seat(input_manager);
struct sway_container *new_output_focus =
seat_get_focus_inactive(seat, output);
container_add_child(output, workspace);
// If moving the last workspace from the old output, create a new workspace
// on the old output
if (old_output->children->length == 0) {
char *ws_name = workspace_next_name(old_output->name);
struct sway_container *ws = workspace_create(old_output, ws_name);
free(ws_name);
seat_set_focus(seat, ws);
}
// Try to remove an empty workspace from the destination output.
container_reap_empty_recursive(new_output_focus);
output_sort_workspaces(output);
seat_set_focus(seat, output);
workspace_output_raise_priority(workspace, old_output, output);
ipc_event_workspace(NULL, workspace, "move");
container_notify_subtree_changed(old_output);
container_notify_subtree_changed(output);
}
static struct cmd_results *cmd_move_workspace(struct sway_container *current,
int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "move workspace", EXPECTED_AT_LEAST, 2))) {
return error;
}
while (strcasecmp(argv[1], "to") == 0) {
if (--argc < 3) {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
++argv;
}
if (strcasecmp(argv[1], "output") != 0) {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
struct sway_container *source = container_parent(current, C_OUTPUT);
int center_x = current->width / 2 + current->x,
center_y = current->height / 2 + current->y;
struct sway_container *destination = output_in_direction(argv[2],
source->sway_output->wlr_output, center_x, center_y);
if (!destination) {
return cmd_results_new(CMD_FAILURE, "move workspace",
"Can't find output with name/direction '%s'", argv[2]);
}
if (current->type != C_WORKSPACE) {
current = container_parent(current, C_WORKSPACE);
}
workspace_move_to_output(current, destination);
arrange_windows(source);
arrange_windows(destination);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *move_in_direction(struct sway_container *container,
enum movement_direction direction, int argc, char **argv) {
int move_amt = 10;
if (argc > 1) {
char *inv;
move_amt = (int)strtol(argv[1], &inv, 10);
if (*inv != '\0' && strcasecmp(inv, "px") != 0) {
return cmd_results_new(CMD_FAILURE, "move",
"Invalid distance specified");
}
}
if (container->type == C_WORKSPACE) {
return cmd_results_new(CMD_FAILURE, "move",
"Cannot move workspaces in a direction");
}
if (container_is_floating(container)) {
if (container->is_fullscreen) {
return cmd_results_new(CMD_FAILURE, "move",
"Cannot move fullscreen floating container");
}
double lx = container->x;
double ly = container->y;
switch (direction) {
case MOVE_LEFT:
lx -= move_amt;
break;
case MOVE_RIGHT:
lx += move_amt;
break;
case MOVE_UP:
ly -= move_amt;
break;
case MOVE_DOWN:
ly += move_amt;
break;
case MOVE_PARENT:
case MOVE_CHILD:
return cmd_results_new(CMD_FAILURE, "move",
"Cannot move floating container to parent or child");
}
container_floating_move_to(container, lx, ly);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// For simplicity, we'll arrange the entire workspace. The reason for this
// is moving the container might reap the old parent, and container_move
// does not return a surviving parent.
// TODO: Make container_move return the surviving parent so we can arrange
// just that.
struct sway_container *old_ws = container_parent(container, C_WORKSPACE);
container_move(container, direction, move_amt);
struct sway_container *new_ws = container_parent(container, C_WORKSPACE);
arrange_windows(old_ws);
if (new_ws != old_ws) {
arrange_windows(new_ws);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static const char *expected_position_syntax =
"Expected 'move [absolute] position <x> [px] <y> [px]' or "
"'move [absolute] position center' or "
"'move position cursor|mouse|pointer'";
static struct cmd_results *move_to_position(struct sway_container *container,
int argc, char **argv) {
if (!container_is_floating(container)) {
return cmd_results_new(CMD_FAILURE, "move",
"Only floating containers "
"can be moved to an absolute position");
}
if (!argc) {
return cmd_results_new(CMD_FAILURE, "move", expected_position_syntax);
}
bool absolute = false;
if (strcmp(argv[0], "absolute") == 0) {
absolute = true;
--argc;
++argv;
}
if (!argc) {
return cmd_results_new(CMD_FAILURE, "move", expected_position_syntax);
}
if (strcmp(argv[0], "position") == 0) {
--argc;
++argv;
}
if (!argc) {
return cmd_results_new(CMD_FAILURE, "move", expected_position_syntax);
}
if (strcmp(argv[0], "cursor") == 0 || strcmp(argv[0], "mouse") == 0 ||
strcmp(argv[0], "pointer") == 0) {
struct sway_seat *seat = config->handler_context.seat;
if (!seat->cursor) {
return cmd_results_new(CMD_FAILURE, "move", "No cursor device");
}
double lx = seat->cursor->cursor->x - container->width / 2;
double ly = seat->cursor->cursor->y - container->height / 2;
container_floating_move_to(container, lx, ly);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
} else if (strcmp(argv[0], "center") == 0) {
double lx, ly;
if (absolute) {
lx = root_container.x + (root_container.width - container->width) / 2;
ly = root_container.y + (root_container.height - container->height) / 2;
} else {
struct sway_container *ws = container_parent(container, C_WORKSPACE);
lx = ws->x + (ws->width - container->width) / 2;
ly = ws->y + (ws->height - container->height) / 2;
}
container_floating_move_to(container, lx, ly);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
if (argc < 2) {
return cmd_results_new(CMD_FAILURE, "move", expected_position_syntax);
}
double lx, ly;
char *inv;
lx = (double)strtol(argv[0], &inv, 10);
if (*inv != '\0' && strcasecmp(inv, "px") != 0) {
return cmd_results_new(CMD_FAILURE, "move",
"Invalid position specified");
}
if (strcmp(argv[1], "px") == 0) {
--argc;
++argv;
}
if (argc > 3) {
return cmd_results_new(CMD_FAILURE, "move", expected_position_syntax);
}
ly = (double)strtol(argv[1], &inv, 10);
if ((*inv != '\0' && strcasecmp(inv, "px") != 0) ||
(argc == 3 && strcmp(argv[2], "px") != 0)) {
return cmd_results_new(CMD_FAILURE, "move",
"Invalid position specified");
}
if (!absolute) {
struct sway_container *ws = container_parent(container, C_WORKSPACE);
lx += ws->x;
ly += ws->y;
}
container_floating_move_to(container, lx, ly);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *move_to_scratchpad(struct sway_container *con) {
if (con->type == C_WORKSPACE && con->children->length == 0) {
return cmd_results_new(CMD_INVALID, "move",
"Can't move an empty workspace to the scratchpad");
}
if (con->type == C_WORKSPACE) {
// Wrap the workspace's children in a container
struct sway_container *workspace = con;
con = workspace_wrap_children(con);
workspace->layout = L_HORIZ;
}
// If the container is in a floating split container,
// operate on the split container instead of the child.
if (container_is_floating_or_child(con)) {
while (con->parent->type != C_WORKSPACE) {
con = con->parent;
}
}
if (con->scratchpad) {
return cmd_results_new(CMD_INVALID, "move",
"Container is already in the scratchpad");
}
root_scratchpad_add_container(con);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
struct cmd_results *cmd_move(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "move", EXPECTED_AT_LEAST, 1))) {
return error;
}
struct sway_container *current = config->handler_context.current_container;
if (strcasecmp(argv[0], "left") == 0) {
return move_in_direction(current, MOVE_LEFT, argc, argv);
} else if (strcasecmp(argv[0], "right") == 0) {
return move_in_direction(current, MOVE_RIGHT, argc, argv);
} else if (strcasecmp(argv[0], "up") == 0) {
return move_in_direction(current, MOVE_UP, argc, argv);
} else if (strcasecmp(argv[0], "down") == 0) {
return move_in_direction(current, MOVE_DOWN, argc, argv);
} else if ((strcasecmp(argv[0], "container") == 0
|| strcasecmp(argv[0], "window") == 0) ||
(strcasecmp(argv[0], "--no-auto-back-and-forth") &&
(strcasecmp(argv[0], "container") == 0
|| strcasecmp(argv[0], "window") == 0))) {
return cmd_move_container(current, argc, argv);
} else if (strcasecmp(argv[0], "workspace") == 0) {
return cmd_move_workspace(current, argc, argv);
} else if (strcasecmp(argv[0], "scratchpad") == 0
|| (strcasecmp(argv[0], "to") == 0 && argc == 2
&& strcasecmp(argv[1], "scratchpad") == 0)) {
return move_to_scratchpad(current);
} else if (strcasecmp(argv[0], "position") == 0) {
return move_to_position(current, argc, argv);
} else if (strcasecmp(argv[0], "absolute") == 0) {
return move_to_position(current, argc, argv);
} else {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
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