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#include <stdbool.h>
#include <string.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "log.h"
static bool parse_layout_string(char *s, enum sway_container_layout *ptr) {
if (strcasecmp(s, "splith") == 0) {
*ptr = L_HORIZ;
} else if (strcasecmp(s, "splitv") == 0) {
*ptr = L_VERT;
} else if (strcasecmp(s, "tabbed") == 0) {
*ptr = L_TABBED;
} else if (strcasecmp(s, "stacking") == 0) {
*ptr = L_STACKED;
} else {
return false;
}
return true;
}
static const char* expected_syntax =
"Expected 'layout default|tabbed|stacking|splitv|splith' or "
"'layout toggle [split|all]' or "
"'layout toggle [split|tabbed|stacking|splitv|splith] [split|tabbed|stacking|splitv|splith]...'";
struct cmd_results *cmd_layout(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "layout", EXPECTED_MORE_THAN, 0))) {
return error;
}
struct sway_container *parent = config->handler_context.current_container;
if (container_is_floating(parent)) {
return cmd_results_new(CMD_FAILURE, "layout",
"Unable to change layout of floating windows");
}
while (parent->type == C_VIEW) {
parent = parent->parent;
}
enum sway_container_layout prev = parent->layout;
bool assigned_directly = parse_layout_string(argv[0], &parent->layout);
if (!assigned_directly) {
if (strcasecmp(argv[0], "default") == 0) {
parent->layout = parent->prev_split_layout;
} else if (strcasecmp(argv[0], "toggle") == 0) {
if (argc == 1) {
parent->layout =
parent->layout == L_STACKED ? L_TABBED :
parent->layout == L_TABBED ? parent->prev_split_layout : L_STACKED;
} else if (argc == 2) {
if (strcasecmp(argv[1], "all") == 0) {
parent->layout =
parent->layout == L_HORIZ ? L_VERT :
parent->layout == L_VERT ? L_STACKED :
parent->layout == L_STACKED ? L_TABBED : L_HORIZ;
} else if (strcasecmp(argv[1], "split") == 0) {
parent->layout =
parent->layout == L_HORIZ ? L_VERT :
parent->layout == L_VERT ? L_HORIZ : parent->prev_split_layout;
} else {
return cmd_results_new(CMD_INVALID, "layout", expected_syntax);
}
} else {
enum sway_container_layout parsed_layout;
int curr = 1;
for (; curr < argc; curr++) {
bool valid = parse_layout_string(argv[curr], &parsed_layout);
if ((valid && parsed_layout == parent->layout) ||
(strcmp(argv[curr], "split") == 0 &&
(parent->layout == L_VERT || parent->layout == L_HORIZ))) {
break;
}
}
for (int i = curr + 1; i != curr; ++i) {
// cycle round to find next valid layout
if (i >= argc) {
i = 1;
}
if (parse_layout_string(argv[i], &parent->layout)) {
break;
} else if (strcmp(argv[i], "split") == 0) {
parent->layout =
parent->layout == L_HORIZ ? L_VERT :
parent->layout == L_VERT ? L_HORIZ : parent->prev_split_layout;
break;
} // invalid layout strings are silently ignored
}
}
} else {
return cmd_results_new(CMD_INVALID, "layout", expected_syntax);
}
}
if (parent->layout == L_NONE) {
parent->layout = container_get_default_layout(parent);
}
if (prev != parent->layout) {
if (prev != L_TABBED && prev != L_STACKED) {
parent->prev_split_layout = prev;
}
container_notify_subtree_changed(parent);
arrange_windows(parent->parent);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
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