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#include <string.h>
#include <strings.h>
#include "sway/commands.h"
#include "sway/container.h"
#include "sway/layout.h"
/**
* handle "layout auto" command group
*/
static struct cmd_results *cmd_layout_auto(swayc_t *container, int argc, char **argv);
struct cmd_results *cmd_layout(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "layout", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "layout", "Can only be used when sway is running.");
if ((error = checkarg(argc, "layout", EXPECTED_MORE_THAN, 0))) {
return error;
}
swayc_t *parent = current_container;
if (parent->is_floating) {
return cmd_results_new(CMD_FAILURE, "layout", "Unable to change layout of floating windows");
}
while (parent->type == C_VIEW) {
parent = parent->parent;
}
enum swayc_layouts old_layout = parent->layout;
if (strcasecmp(argv[0], "default") == 0) {
swayc_change_layout(parent, parent->prev_layout);
if (parent->layout == L_NONE) {
swayc_t *output = swayc_parent_by_type(parent, C_OUTPUT);
swayc_change_layout(parent, default_layout(output));
}
} else {
if (parent->layout != L_TABBED && parent->layout != L_STACKED) {
parent->prev_layout = parent->layout;
}
if (strcasecmp(argv[0], "tabbed") == 0) {
if (parent->type != C_CONTAINER && !swayc_is_empty_workspace(parent)){
parent = new_container(parent, L_TABBED);
}
swayc_change_layout(parent, L_TABBED);
} else if (strcasecmp(argv[0], "stacking") == 0) {
if (parent->type != C_CONTAINER && !swayc_is_empty_workspace(parent)) {
parent = new_container(parent, L_STACKED);
}
swayc_change_layout(parent, L_STACKED);
} else if (strcasecmp(argv[0], "splith") == 0) {
swayc_change_layout(parent, L_HORIZ);
} else if (strcasecmp(argv[0], "splitv") == 0) {
swayc_change_layout(parent, L_VERT);
} else if (strcasecmp(argv[0], "toggle") == 0 && argc == 2 && strcasecmp(argv[1], "split") == 0) {
if (parent->layout == L_HORIZ && (parent->workspace_layout == L_NONE
|| parent->workspace_layout == L_HORIZ)) {
swayc_change_layout(parent, L_VERT);
} else {
swayc_change_layout(parent, L_HORIZ);
}
} else if (strcasecmp(argv[0], "auto") == 0) {
return cmd_layout_auto(parent, argc, argv);
}
}
update_layout_geometry(parent, old_layout);
update_geometry(parent);
arrange_windows(parent, parent->width, parent->height);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_layout_auto(swayc_t *container, int argc, char **argv) {
// called after checking that argv[0] is auto, so just continue parsing from there
struct cmd_results *error = NULL;
const char *cmd_name = "layout auto";
const char *set_inc_cmd_name = "layout auto [master|ncol] [set|inc]";
const char *err_msg = "Allowed arguments are <right|left|top|bottom|next|prev|master|ncol>";
bool need_layout_update = false;
enum swayc_layouts old_layout = container->layout;
enum swayc_layouts layout = old_layout;
if ((error = checkarg(argc, "layout auto", EXPECTED_MORE_THAN, 1))) {
return error;
}
if (strcasecmp(argv[1], "left") == 0) {
layout = L_AUTO_LEFT;
} else if (strcasecmp(argv[1], "right") == 0) {
layout = L_AUTO_RIGHT;
} else if (strcasecmp(argv[1], "top") == 0) {
layout = L_AUTO_TOP;
} else if (strcasecmp(argv[1], "bottom") == 0) {
layout = L_AUTO_BOTTOM;
} else if (strcasecmp(argv[1], "next") == 0) {
if (is_auto_layout(container->layout) && container->layout < L_AUTO_LAST) {
layout = container->layout + 1;
} else {
layout = L_AUTO_FIRST;
}
} else if (strcasecmp(argv[1], "prev") == 0) {
if (is_auto_layout(container->layout) && container->layout > L_AUTO_FIRST) {
layout = container->layout - 1;
} else {
layout = L_AUTO_LAST;
}
} else {
bool is_nmaster;
bool is_set;
if (strcasecmp(argv[1], "master") == 0) {
is_nmaster = true;
} else if (strcasecmp(argv[1], "ncol") == 0) {
is_nmaster = false;
} else {
return cmd_results_new(CMD_INVALID, cmd_name, "Invalid %s command. %s",
cmd_name, err_msg);
}
if ((error = checkarg(argc, "auto <master|ncol>", EXPECTED_EQUAL_TO, 4))) {
return error;
}
if (strcasecmp(argv[2], "set") == 0) {
is_set = true;
} else if (strcasecmp(argv[2], "inc") == 0) {
is_set = false;
} else {
return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command. %s, "
"Argument must be on of <set|inc>",
set_inc_cmd_name);
}
char *end;
int n = (int)strtol(argv[3], &end, 10);
if (*end) {
return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
"(argument must be an integer)", set_inc_cmd_name);
}
if (is_auto_layout(container->layout)) {
int inc = 0; /* difference between current master/ncol and requested value */
if (is_nmaster) {
if (is_set) {
if (n < 0) {
return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
"(master must be >= 0)", set_inc_cmd_name);
}
inc = n - (int)container->nb_master;
} else { /* inc command */
if ((int)container->nb_master + n >= 0) {
inc = n;
}
}
if (inc) {
for (int i = container->nb_master;
i >= 0 && i < container->children->length
&& i != (int)container->nb_master + inc;) {
((swayc_t *)container->children->items[i])->height = -1;
((swayc_t *)container->children->items[i])->width = -1;
i += inc > 0 ? 1 : -1;
}
container->nb_master += inc;
need_layout_update = true;
}
} else { /* ncol modification */
if (is_set) {
if (n <= 0) {
return cmd_results_new(CMD_INVALID, set_inc_cmd_name, "Invalid %s command "
"(ncol must be > 0)", set_inc_cmd_name);
}
inc = n - (int)container->nb_slave_groups;
} else { /* inc command */
if ((int)container->nb_slave_groups + n > 0) {
inc = n;
}
}
if (inc) {
container->nb_slave_groups += inc;
need_layout_update = true;
}
}
}
}
if (layout != old_layout) {
swayc_change_layout(container, layout);
update_layout_geometry(container, old_layout);
need_layout_update = true;
}
if (need_layout_update) {
update_geometry(container);
arrange_windows(container, container->width, container->height);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
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