1 files changed, 184 insertions, 0 deletions
diff --git a/sway/commands/move.c b/sway/commands/move.c
new file mode 100644
index 00000000..ab959b77
--- /dev/null
+++ b/sway/commands/move.c
@@ -0,0 +1,184 @@
+#include <string.h>
+#include <strings.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/seat.h"
+#include "sway/output.h"
+#include "sway/tree/container.h"
+#include "sway/tree/layout.h"
+#include "sway/tree/workspace.h"
+#include "stringop.h"
+#include "list.h"
+
+static const char* expected_syntax = 
+	"Expected 'move <left|right|up|down> <[px] px>' or "
+	"'move <container|window> to workspace <name>' or "
+	"'move <container|window|workspace> to output <name|direction>' or "
+	"'move position mouse'";
+
+static struct sway_container *output_in_direction(const char *direction,
+		struct wlr_output *reference, int ref_ox, int ref_oy) {
+	int ref_lx = ref_ox + reference->lx,
+		ref_ly = ref_oy + reference->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, 4))) {
+		return error;
+	} else if (strcasecmp(argv[1], "to") == 0
+			&& strcasecmp(argv[2], "workspace") == 0) {
+		// move container to workspace x
+		if (current->type == C_WORKSPACE) {
+			// TODO: Wrap children in a container and move that
+			return cmd_results_new(CMD_FAILURE, "move", "Unimplemented");
+		} else if (current->type != C_CONTAINER && current->type != C_VIEW) {
+			return cmd_results_new(CMD_FAILURE, "move",
+					"Can only move containers and views.");
+		}
+		struct sway_container *ws;
+		const char *num_name = NULL;
+		char *ws_name = NULL;
+		if (argc == 5 && strcasecmp(argv[3], "number") == 0) {
+			// move "container to workspace number x"
+			num_name = argv[4];
+			ws = workspace_by_number(num_name);
+		} else {
+			ws_name = join_args(argv + 3, argc - 3);
+			ws = workspace_by_name(ws_name);
+		}
+		if (!ws) {
+			ws = workspace_create(ws_name ? ws_name : num_name);
+		}
+		free(ws_name);
+		struct sway_container *old_parent = current->parent;
+		struct sway_container *focus = sway_seat_get_focus_inactive(
+				config->handler_context.seat, ws);
+		container_move_to(current, focus);
+		sway_seat_set_focus(config->handler_context.seat, old_parent);
+		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+	} else if (strcasecmp(argv[1], "to") == 0
+			&& strcasecmp(argv[2], "output") == 0) {
+		if (current->type == C_WORKSPACE) {
+			// TODO: Wrap children in a container and move that
+			return cmd_results_new(CMD_FAILURE, "move", "Unimplemented");
+		} else if (current->type != C_CONTAINER
+				&& current->type != C_VIEW) {
+			return cmd_results_new(CMD_FAILURE, "move",
+					"Can only move containers and views.");
+		}
+		struct sway_container *source = container_parent(current, C_OUTPUT);
+		struct sway_container *destination = output_in_direction(argv[3],
+				source->sway_output->wlr_output, current->x, current->y);
+		if (!destination) {
+			return cmd_results_new(CMD_FAILURE, "move workspace",
+				"Can't find output with name/direction '%s'", argv[3]);
+		}
+		struct sway_container *focus = sway_seat_get_focus_inactive(
+				config->handler_context.seat, destination);
+		if (!focus) {
+			// We've never been to this output before
+			focus = destination->children->items[0];
+		}
+		struct sway_container *old_parent = current->parent;
+		container_move_to(current, focus);
+		sway_seat_set_focus(config->handler_context.seat, old_parent);
+		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+	}
+	return cmd_results_new(CMD_INVALID, "move", expected_syntax);
+}
+
+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_EQUAL_TO, 4))) {
+		return error;
+	} else if (strcasecmp(argv[1], "to") != 0
+			|| strcasecmp(argv[2], "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[3],
+			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[3]);
+	}
+	if (current->type != C_WORKSPACE) {
+		current = container_parent(current, C_WORKSPACE);
+	}
+	container_move_to(current, destination);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
+struct cmd_results *cmd_move(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	int move_amt = 10;
+	if ((error = checkarg(argc, "move", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	struct sway_container *current = config->handler_context.current_container;
+
+	if (argc == 2 || (argc == 3 && strcasecmp(argv[2], "px") == 0)) {
+		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 (strcasecmp(argv[0], "left") == 0) {
+		container_move(current, MOVE_LEFT, move_amt);
+	} else if (strcasecmp(argv[0], "right") == 0) {
+		container_move(current, MOVE_RIGHT, move_amt);
+	} else if (strcasecmp(argv[0], "up") == 0) {
+		container_move(current, MOVE_UP, move_amt);
+	} else if (strcasecmp(argv[0], "down") == 0) {
+		container_move(current, MOVE_DOWN, move_amt);
+	} else if (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
+				&& strcasecmp(argv[1], "scratchpad") == 0)) {
+		// TODO: scratchpad
+		return cmd_results_new(CMD_FAILURE, "move", "Unimplemented");
+	} else if (strcasecmp(argv[0], "position") == 0) {
+		// TODO: floating
+		return cmd_results_new(CMD_FAILURE, "move", "Unimplemented");
+	} else {
+		return cmd_results_new(CMD_INVALID, "move", expected_syntax);
+	}
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}