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#include <xkbcommon/xkbcommon.h>
#include <xkbcommon/xkbcommon-names.h>
#include <wlc/wlc.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "stringop.h"
#include "layout.h"
#include "focus.h"
#include "log.h"
#include "workspace.h"
#include "commands.h"
#include "container.h"
#include "handlers.h"
#include "sway.h"
#include "resize.h"
typedef struct cmd_results *sway_cmd(int argc, char **argv);
struct cmd_handler {
char *command;
sway_cmd *handle;
};
static sway_cmd cmd_bindsym;
static sway_cmd cmd_orientation;
static sway_cmd cmd_exec;
static sway_cmd cmd_exec_always;
static sway_cmd cmd_exit;
static sway_cmd cmd_floating;
static sway_cmd cmd_floating_mod;
static sway_cmd cmd_focus;
static sway_cmd cmd_focus_follows_mouse;
static sway_cmd cmd_fullscreen;
static sway_cmd cmd_gaps;
static sway_cmd cmd_kill;
static sway_cmd cmd_layout;
static sway_cmd cmd_log_colors;
static sway_cmd cmd_mode;
static sway_cmd cmd_move;
static sway_cmd cmd_output;
static sway_cmd cmd_reload;
static sway_cmd cmd_resize;
static sway_cmd cmd_scratchpad;
static sway_cmd cmd_set;
static sway_cmd cmd_split;
static sway_cmd cmd_splith;
static sway_cmd cmd_splitv;
static sway_cmd cmd_workspace;
static sway_cmd cmd_ws_auto_back_and_forth;
swayc_t *sp_view;
int sp_index = 0;
static struct modifier_key {
char *name;
uint32_t mod;
} modifiers[] = {
{ XKB_MOD_NAME_SHIFT, WLC_BIT_MOD_SHIFT },
{ XKB_MOD_NAME_CAPS, WLC_BIT_MOD_CAPS },
{ XKB_MOD_NAME_CTRL, WLC_BIT_MOD_CTRL },
{ "Ctrl", WLC_BIT_MOD_CTRL },
{ XKB_MOD_NAME_ALT, WLC_BIT_MOD_ALT },
{ "Alt", WLC_BIT_MOD_ALT },
{ XKB_MOD_NAME_NUM, WLC_BIT_MOD_MOD2 },
{ "Mod3", WLC_BIT_MOD_MOD3 },
{ XKB_MOD_NAME_LOGO, WLC_BIT_MOD_LOGO },
{ "Mod5", WLC_BIT_MOD_MOD5 },
};
enum expected_args {
EXPECTED_MORE_THAN,
EXPECTED_AT_LEAST,
EXPECTED_LESS_THAN,
EXPECTED_EQUAL_TO
};
// Returns error object, or NULL if check succeeds.
static struct cmd_results *checkarg(int argc, const char *name, enum expected_args type, int val) {
struct cmd_results *error = NULL;
switch (type) {
case EXPECTED_MORE_THAN:
if (argc > val) {
return NULL;
}
error = cmd_results_new(CMD_INVALID, name, "Invalid %s command "
"(expected more than %d argument%s, got %d)",
name, val, (char*[2]){"s", ""}[argc==1], argc);
break;
case EXPECTED_AT_LEAST:
if (argc >= val) {
return NULL;
}
error = cmd_results_new(CMD_INVALID, name, "Invalid %s command "
"(expected at least %d argument%s, got %d)",
name, val, (char*[2]){"s", ""}[argc==1], argc);
break;
case EXPECTED_LESS_THAN:
if (argc < val) {
return NULL;
};
error = cmd_results_new(CMD_INVALID, name, "Invalid %s command "
"(expected less than %d argument%s, got %d)",
name, val, (char*[2]){"s", ""}[argc==1], argc);
break;
case EXPECTED_EQUAL_TO:
if (argc == val) {
return NULL;
};
error = cmd_results_new(CMD_INVALID, name, "Invalid %s command "
"(expected %d arguments, got %d)", name, val, argc);
break;
}
return error;
}
static int bindsym_sort(const void *_lbind, const void *_rbind) {
const struct sway_binding *lbind = *(void **)_lbind;
const struct sway_binding *rbind = *(void **)_rbind;
unsigned int lmod = 0, rmod = 0, i;
// Count how any modifiers are pressed
for (i = 0; i < 8 * sizeof(lbind->modifiers); ++i) {
lmod += lbind->modifiers & 1 << i;
rmod += rbind->modifiers & 1 << i;
}
return (rbind->keys->length + rmod) - (lbind->keys->length + lmod);
}
static struct cmd_results *cmd_bindsym(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1))) {
return error;
} else if (!config->reading) {
return cmd_results_new(CMD_FAILURE, "bindsym", "Can only be used in config file.");
}
struct sway_binding *binding = malloc(sizeof(struct sway_binding));
binding->keys = create_list();
binding->modifiers = 0;
binding->command = join_args(argv + 1, argc - 1);
list_t *split = split_string(argv[0], "+");
int i;
for (i = 0; i < split->length; ++i) {
// Check for a modifier key
int j;
bool is_mod = false;
for (j = 0; j < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++j) {
if (strcasecmp(modifiers[j].name, split->items[i]) == 0) {
binding->modifiers |= modifiers[j].mod;
is_mod = true;
break;
}
}
if (is_mod) continue;
// Check for xkb key
xkb_keysym_t sym = xkb_keysym_from_name(split->items[i], XKB_KEYSYM_CASE_INSENSITIVE);
if (!sym) {
error = cmd_results_new(CMD_INVALID, "bindsym", "Unknown key '%s'", (char *)split->items[i]);
list_free(binding->keys);
free(binding->command);
free(binding);
list_free(split);
return error;
}
xkb_keysym_t *key = malloc(sizeof(xkb_keysym_t));
*key = sym;
list_add(binding->keys, key);
}
free_flat_list(split);
// TODO: Check if there are other commands with this key binding
struct sway_mode *mode = config->current_mode;
list_add(mode->bindings, binding);
list_sort(mode->bindings, bindsym_sort);
sway_log(L_DEBUG, "bindsym - Bound %s to command %s", argv[0], binding->command);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_exec_always(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->active) return cmd_results_new(CMD_DEFER, NULL, NULL);
if ((error = checkarg(argc, "exec_always", EXPECTED_MORE_THAN, 0))) {
return error;
}
char *tmp = NULL;
if (strcmp((char*)*argv, "--no-startup-id") == 0) {
sway_log(L_INFO, "exec switch '--no-startup-id' not supported, ignored.");
if ((error = checkarg(argc - 1, "exec_always", EXPECTED_MORE_THAN, 0))) {
return error;
}
tmp = join_args(argv + 1, argc - 1);
} else {
tmp = join_args(argv, argc);
}
// Put argument into cmd array
char cmd[4096];
strcpy(cmd, tmp);
free(tmp);
sway_log(L_DEBUG, "Executing %s", cmd);
pid_t pid;
// Fork process
if ((pid = fork()) == 0) {
// Fork child process again
setsid();
if (fork() == 0) {
execl("/bin/sh", "/bin/sh", "-c", cmd, (void *)NULL);
/* Not reached */
}
// Close child process
_exit(0);
} else if (pid < 0) {
return cmd_results_new(CMD_FAILURE, "exec_always", "Command failed (sway could not fork).");
}
// cleanup child process
wait(0);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_exec(int argc, char **argv) {
if (!config->active) return cmd_results_new(CMD_DEFER, "exec", NULL);
if (config->reloading) {
char *args = join_args(argv, argc);
sway_log(L_DEBUG, "Ignoring 'exec %s' due to reload", args);
free(args);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return cmd_exec_always(argc, argv);
}
static void kill_views(swayc_t *container, void *data) {
if (container->type == C_VIEW) {
wlc_view_close(container->handle);
}
}
static struct cmd_results *cmd_exit(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "exit", "Can't be used in config file.");
if ((error = checkarg(argc, "exit", EXPECTED_EQUAL_TO, 0))) {
return error;
}
// Close all views
container_map(&root_container, kill_views, NULL);
sway_terminate();
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_floating(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "floating", "Can't be used in config file.");
if ((error = checkarg(argc, "floating", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "toggle") == 0) {
swayc_t *view = get_focused_container(&root_container);
// Prevent running floating commands on things like workspaces
if (view->type != C_VIEW) {
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// Change from nonfloating to floating
if (!view->is_floating) {
// Remove view from its current location
destroy_container(remove_child(view));
// and move it into workspace floating
add_floating(swayc_active_workspace(), view);
view->x = (swayc_active_workspace()->width - view->width)/2;
view->y = (swayc_active_workspace()->height - view->height)/2;
if (view->desired_width != -1) {
view->width = view->desired_width;
}
if (view->desired_height != -1) {
view->height = view->desired_height;
}
arrange_windows(swayc_active_workspace(), -1, -1);
} else {
// Delete the view from the floating list and unset its is_floating flag
// Using length-1 as the index is safe because the view must be the currently
// focused floating output
remove_child(view);
view->is_floating = false;
// Get the properly focused container, and add in the view there
swayc_t *focused = container_under_pointer();
// If focused is null, it's because the currently focused container is a workspace
if (focused == NULL) {
focused = swayc_active_workspace();
}
set_focused_container(focused);
sway_log(L_DEBUG, "Non-floating focused container is %p", focused);
// Case of focused workspace, just create as child of it
if (focused->type == C_WORKSPACE) {
add_child(focused, view);
}
// Regular case, create as sibling of current container
else {
add_sibling(focused, view);
}
// Refocus on the view once its been put back into the layout
view->width = view->height = 0;
arrange_windows(swayc_active_workspace(), -1, -1);
remove_view_from_scratchpad(view);
}
set_focused_container(view);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_floating_mod(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "floating_modifier", EXPECTED_EQUAL_TO, 1))) {
return error;
}
int i, j;
list_t *split = split_string(argv[0], "+");
config->floating_mod = 0;
// set modifer keys
for (i = 0; i < split->length; ++i) {
for (j = 0; j < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++j) {
if (strcasecmp(modifiers[j].name, split->items[i]) == 0) {
config->floating_mod |= modifiers[j].mod;
}
}
}
free_flat_list(split);
if (!config->floating_mod) {
error = cmd_results_new(CMD_INVALID, "floating_modifier", "Unknown keys %s", argv[0]);
return error;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_focus(int argc, char **argv) {
if (config->reading) return cmd_results_new(CMD_FAILURE, "focus", "Can't be used in config file.");
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "focus", EXPECTED_EQUAL_TO, 1))) {
return error;
}
static int floating_toggled_index = 0;
static int tiled_toggled_index = 0;
if (strcasecmp(argv[0], "left") == 0) {
move_focus(MOVE_LEFT);
} else if (strcasecmp(argv[0], "right") == 0) {
move_focus(MOVE_RIGHT);
} else if (strcasecmp(argv[0], "up") == 0) {
move_focus(MOVE_UP);
} else if (strcasecmp(argv[0], "down") == 0) {
move_focus(MOVE_DOWN);
} else if (strcasecmp(argv[0], "parent") == 0) {
move_focus(MOVE_PARENT);
} else if (strcasecmp(argv[0], "mode_toggle") == 0) {
int i;
swayc_t *workspace = swayc_active_workspace();
swayc_t *focused = get_focused_view(workspace);
if (focused->is_floating) {
if (workspace->children->length > 0) {
for (i = 0;i < workspace->floating->length; i++) {
if (workspace->floating->items[i] == focused) {
floating_toggled_index = i;
break;
}
}
if (workspace->children->length > tiled_toggled_index) {
set_focused_container(get_focused_view(workspace->children->items[tiled_toggled_index]));
} else {
set_focused_container(get_focused_view(workspace->children->items[0]));
tiled_toggled_index = 0;
}
}
} else {
if (workspace->floating->length > 0) {
for (i = 0;i < workspace->children->length; i++) {
if (workspace->children->items[i] == focused) {
tiled_toggled_index = i;
break;
}
}
if (workspace->floating->length > floating_toggled_index) {
swayc_t *floating = workspace->floating->items[floating_toggled_index];
set_focused_container(get_focused_view(floating));
} else {
swayc_t *floating = workspace->floating->items[workspace->floating->length - 1];
set_focused_container(get_focused_view(floating));
tiled_toggled_index = workspace->floating->length - 1;
}
}
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_focus_follows_mouse(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "focus_follows_mouse", EXPECTED_EQUAL_TO, 1))) {
return error;
}
config->focus_follows_mouse = !strcasecmp(argv[0], "yes");
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_seamless_mouse(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "seamless_mouse", EXPECTED_EQUAL_TO, 1))) {
return error;
}
config->seamless_mouse = (strcasecmp(argv[0], "on") == 0 || strcasecmp(argv[0], "yes") == 0);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static void hide_view_in_scratchpad(swayc_t *sp_view) {
if (sp_view == NULL) {
return;
}
wlc_view_set_mask(sp_view->handle, 0);
sp_view->visible = false;
swayc_t *ws = sp_view->parent;
remove_child(sp_view);
if (swayc_active_workspace() != ws && ws->floating->length == 0 && ws->children->length == 0) {
destroy_workspace(ws);
}
arrange_windows(ws, -1, -1);
set_focused_container(container_under_pointer());
}
static struct cmd_results *cmd_mode(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "mode", EXPECTED_AT_LEAST, 1))) {
return error;
}
char *mode_name = join_args(argv, argc);
int mode_len = strlen(mode_name);
bool mode_make = mode_name[mode_len-1] == '{';
if (mode_make) {
if (!config->reading)
return cmd_results_new(CMD_FAILURE, "mode", "Can only be used in config file.");
// Trim trailing spaces
do {
mode_name[--mode_len] = 0;
} while(isspace(mode_name[mode_len-1]));
}
struct sway_mode *mode = NULL;
// Find mode
int i, len = config->modes->length;
for (i = 0; i < len; ++i) {
struct sway_mode *find = config->modes->items[i];
if (strcasecmp(find->name, mode_name) == 0) {
mode = find;
break;
}
}
// Create mode if it doesnt exist
if (!mode && mode_make) {
mode = malloc(sizeof*mode);
mode->name = strdup(mode_name);
mode->bindings = create_list();
list_add(config->modes, mode);
}
if (!mode) {
error = cmd_results_new(CMD_INVALID, "mode", "Unknown mode `%s'", mode_name);
free(mode_name);
return error;
}
if ((config->reading && mode_make) || (!config->reading && !mode_make)) {
sway_log(L_DEBUG, "Switching to mode `%s'",mode->name);
}
free(mode_name);
// Set current mode
config->current_mode = mode;
return cmd_results_new(mode_make ? CMD_BLOCK_MODE : CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_move(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "move", "Can't be used in config file.");
if ((error = checkarg(argc, "move", EXPECTED_AT_LEAST, 1))) {
return error;
}
const char* expected_syntax = "Expected 'move <left|right|up|down>' or "
"'move <container|window> to workspace <name>'";
swayc_t *view = get_focused_container(&root_container);
if (strcasecmp(argv[0], "left") == 0) {
move_container(view, MOVE_LEFT);
} else if (strcasecmp(argv[0], "right") == 0) {
move_container(view, MOVE_RIGHT);
} else if (strcasecmp(argv[0], "up") == 0) {
move_container(view, MOVE_UP);
} else if (strcasecmp(argv[0], "down") == 0) {
move_container(view, MOVE_DOWN);
} else if (strcasecmp(argv[0], "container") == 0 || strcasecmp(argv[0], "window") == 0) {
// "move container ...
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 (view->type != C_CONTAINER && view->type != C_VIEW) {
return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
}
const char *ws_name = argv[3];
if (argc == 5) {
// move "container to workspace number x"
ws_name = argv[4];
}
swayc_t *ws = workspace_by_name(ws_name);
if (ws == NULL) {
ws = workspace_create(ws_name);
}
move_container_to(view, get_focused_container(ws));
} else {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
} else if (strcasecmp(argv[0], "scratchpad") == 0) {
// move scratchpad ...
if (view->type != C_CONTAINER && view->type != C_VIEW) {
return cmd_results_new(CMD_FAILURE, "move scratchpad", "Can only move containers and views.");
}
swayc_t *view = get_focused_container(&root_container);
int i;
for (i = 0; i < scratchpad->length; i++) {
if (scratchpad->items[i] == view) {
hide_view_in_scratchpad(view);
sp_view = NULL;
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
}
list_add(scratchpad, view);
if (!view->is_floating) {
destroy_container(remove_child(view));
} else {
remove_child(view);
}
wlc_view_set_mask(view->handle, 0);
arrange_windows(swayc_active_workspace(), -1, -1);
swayc_t *focused = container_under_pointer();
if (focused == NULL) {
focused = swayc_active_workspace();
}
set_focused_container(focused);
} else {
return cmd_results_new(CMD_INVALID, "move", expected_syntax);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_orientation(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "orientation", "Can only be used in config file.");
if ((error = checkarg(argc, "orientation", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "horizontal") == 0) {
config->default_orientation = L_HORIZ;
} else if (strcasecmp(argv[0], "vertical") == 0) {
config->default_orientation = L_VERT;
} else if (strcasecmp(argv[0], "auto") == 0) {
// Do nothing
} else {
return cmd_results_new(CMD_INVALID, "orientation", "Expected 'orientation <horizontal|vertical|auto>'");
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_output(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "output", EXPECTED_AT_LEAST, 1))) {
return error;
}
struct output_config *output = calloc(1, sizeof(struct output_config));
output->x = output->y = output->width = output->height = -1;
output->name = strdup(argv[0]);
output->enabled = true;
// TODO: atoi doesn't handle invalid numbers
if (strcasecmp(argv[1], "disable") == 0) {
output->enabled = false;
}
int i;
for (i = 1; i < argc; ++i) {
if (strcasecmp(argv[i], "resolution") == 0 || strcasecmp(argv[i], "res") == 0) {
char *res = argv[++i];
char *x = strchr(res, 'x');
int width = -1, height = -1;
if (x != NULL) {
// Format is 1234x4321
*x = '\0';
width = atoi(res);
height = atoi(x + 1);
*x = 'x';
} else {
// Format is 1234 4321
width = atoi(res);
res = argv[++i];
height = atoi(res);
}
output->width = width;
output->height = height;
} else if (strcasecmp(argv[i], "position") == 0 || strcasecmp(argv[i], "pos") == 0) {
char *res = argv[++i];
char *c = strchr(res, ',');
int x = -1, y = -1;
if (c != NULL) {
// Format is 1234,4321
*c = '\0';
x = atoi(res);
y = atoi(c + 1);
*c = ',';
} else {
// Format is 1234 4321
x = atoi(res);
res = argv[++i];
y = atoi(res);
}
output->x = x;
output->y = y;
}
}
list_add(config->output_configs, output);
sway_log(L_DEBUG, "Config stored for output %s (%d x %d @ %d, %d)",
output->name, output->width, output->height, output->x, output->y);
if (output->name) {
// Try to find the output container and apply configuration now. If
// this is during startup then there will be no container and config
// will be applied during normal "new output" event from wlc.
swayc_t *cont = NULL;
for (int i = 0; i < root_container.children->length; ++i) {
cont = root_container.children->items[i];
if (cont->name && strcmp(cont->name, output->name) == 0) {
apply_output_config(output, cont);
break;
}
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_gaps(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "gaps", EXPECTED_AT_LEAST, 1))) {
return error;
}
const char *amount_str = argv[0];
// gaps amount
if (argc >= 1 && isdigit(*amount_str)) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
if (config->gaps_inner == 0) {
config->gaps_inner = amount;
}
if (config->gaps_outer == 0) {
config->gaps_outer = amount;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer n
else if (argc >= 2 && isdigit((amount_str = argv[1])[0])) {
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
const char *target_str = argv[0];
if (strcasecmp(target_str, "inner") == 0) {
config->gaps_inner = amount;
} else if (strcasecmp(target_str, "outer") == 0) {
config->gaps_outer = amount;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
// gaps inner|outer current|all set|plus|minus n
if (argc < 4 || config->reading) {
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps inner|outer ...
const char *inout_str = argv[0];
enum {INNER, OUTER} inout;
if (strcasecmp(inout_str, "inner") == 0) {
inout = INNER;
} else if (strcasecmp(inout_str, "outer") == 0) {
inout = OUTER;
} else {
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps ... current|all ...
const char *target_str = argv[1];
enum {CURRENT, WORKSPACE, ALL} target;
if (strcasecmp(target_str, "current") == 0) {
target = CURRENT;
} else if (strcasecmp(target_str, "all") == 0) {
target = ALL;
} else if (strcasecmp(target_str, "workspace") == 0) {
if (inout == OUTER) {
target = CURRENT;
} else {
// Set gap for views in workspace
target = WORKSPACE;
}
} else {
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'");
}
// gaps ... n
amount_str = argv[3];
int amount = (int)strtol(amount_str, NULL, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
}
// gaps ... set|plus|minus ...
const char *method_str = argv[2];
enum {SET, ADD} method;
if (strcasecmp(method_str, "set") == 0) {
method = SET;
} else if (strcasecmp(method_str, "plus") == 0) {
method = ADD;
} else if (strcasecmp(method_str, "minus") == 0) {
method = ADD;
amount *= -1;
} else {
return cmd_results_new(CMD_INVALID, "gaps", "Expected 'gaps <inner|outer> <current|all> <set|plus|minus n>'");
}
if (target == CURRENT) {
swayc_t *cont;
if (inout == OUTER) {
if ((cont = swayc_active_workspace()) == NULL) {
return cmd_results_new(CMD_FAILURE, "gaps", "There's no active workspace.");
}
} else {
if ((cont = get_focused_view(&root_container))->type != C_VIEW) {
return cmd_results_new(CMD_FAILURE, "gaps", "Currently focused item is not a view.");
}
}
cont->gaps = swayc_gap(cont);
if (method == SET) {
cont->gaps = amount;
} else if ((cont->gaps += amount) < 0) {
cont->gaps = 0;
}
arrange_windows(cont->parent, -1, -1);
} else if (inout == OUTER) {
//resize all workspace.
int i,j;
for (i = 0; i < root_container.children->length; ++i) {
swayc_t *op = root_container.children->items[i];
for (j = 0; j < op->children->length; ++j) {
swayc_t *ws = op->children->items[j];
if (method == SET) {
ws->gaps = amount;
} else if ((ws->gaps += amount) < 0) {
ws->gaps = 0;
}
}
}
arrange_windows(&root_container, -1, -1);
} else {
// Resize gaps for all views in workspace
swayc_t *top;
if (target == WORKSPACE) {
if ((top = swayc_active_workspace()) == NULL) {
return cmd_results_new(CMD_FAILURE, "gaps", "There's currently no active workspace.");
}
} else {
top = &root_container;
}
int top_gap = top->gaps;
container_map(top, method == SET ? set_gaps : add_gaps, &amount);
top->gaps = top_gap;
arrange_windows(top, -1, -1);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_kill(int argc, char **argv) {
if (config->reading) return cmd_results_new(CMD_FAILURE, "kill", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "kill", "Can only be used when sway is running.");
swayc_t *view = get_focused_container(&root_container);
wlc_view_close(view->handle);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static 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 = get_focused_container(&root_container);
while (parent->type == C_VIEW) {
parent = parent->parent;
}
if (strcasecmp(argv[0], "splith") == 0) {
parent->layout = L_HORIZ;
} else if (strcasecmp(argv[0], "splitv") == 0) {
parent->layout = L_VERT;
} else if (strcasecmp(argv[0], "toggle") == 0 && argc == 2 && strcasecmp(argv[1], "split") == 0) {
if (parent->layout == L_VERT) {
parent->layout = L_HORIZ;
} else {
parent->layout = L_VERT;
}
}
arrange_windows(parent, parent->width, parent->height);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_reload(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "reload", "Can't be used in config file.");
if ((error = checkarg(argc, "reload", EXPECTED_EQUAL_TO, 0))) {
return error;
}
if (!load_config(NULL)) return cmd_results_new(CMD_FAILURE, "reload", "Error(s) reloading config.");
arrange_windows(&root_container, -1, -1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_resize(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "resize", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "resize", "Can only be used when sway is running.");
if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 3))) {
return error;
}
char *end;
int amount = (int)strtol(argv[2], &end, 10);
if (errno == ERANGE || amount == 0) {
errno = 0;
return cmd_results_new(CMD_INVALID, "resize", "Number is out of range.");
}
if (strcmp(argv[0], "shrink") != 0 && strcmp(argv[0], "grow") != 0) {
return cmd_results_new(CMD_INVALID, "resize",
"Expected 'resize <shrink|grow> <width|height> <amount>'");
}
if (strcmp(argv[0], "shrink") == 0) {
amount *= -1;
}
if (strcmp(argv[1], "width") == 0) {
resize_tiled(amount, true);
} else if (strcmp(argv[1], "height") == 0) {
resize_tiled(amount, false);
} else {
return cmd_results_new(CMD_INVALID, "resize",
"Expected 'resize <shrink|grow> <width|height> <amount>'");
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static swayc_t *fetch_view_from_scratchpad() {
if (sp_index >= scratchpad->length) {
sp_index = 0;
}
swayc_t *view = scratchpad->items[sp_index++];
if (wlc_view_get_output(view->handle) != swayc_active_output()->handle) {
wlc_view_set_output(view->handle, swayc_active_output()->handle);
}
if (!view->is_floating) {
view->width = swayc_active_workspace()->width/2;
view->height = swayc_active_workspace()->height/2;
view->x = (swayc_active_workspace()->width - view->width)/2;
view->y = (swayc_active_workspace()->height - view->height)/2;
}
if (swayc_active_workspace()->width < view->x + 20 || view->x + view->width < 20) {
view->x = (swayc_active_workspace()->width - view->width)/2;
}
if (swayc_active_workspace()->height < view->y + 20 || view->y + view->height < 20) {
view->y = (swayc_active_workspace()->height - view->height)/2;
}
add_floating(swayc_active_workspace(), view);
wlc_view_set_mask(view->handle, VISIBLE);
view->visible = true;
arrange_windows(swayc_active_workspace(), -1, -1);
set_focused_container(view);
return view;
}
void remove_view_from_scratchpad(swayc_t *view) {
int i;
for (i = 0; i < scratchpad->length; i++) {
if (scratchpad->items[i] == view) {
if (sp_index == 0) {
sp_index = scratchpad->length - 1;
} else {
sp_index--;
}
list_del(scratchpad, sp_index);
sp_view = NULL;
}
}
}
static struct cmd_results *cmd_scratchpad(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "scratchpad", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "scratchpad", "Can only be used when sway is running.");
if ((error = checkarg(argc, "scratchpad", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "show") == 0 && scratchpad->length > 0) {
if (!sp_view) {
sp_view = fetch_view_from_scratchpad();
} else {
if (swayc_active_workspace() != sp_view->parent) {
hide_view_in_scratchpad(sp_view);
if (sp_index == 0) {
sp_index = scratchpad->length;
}
sp_index--;
sp_view = fetch_view_from_scratchpad();
} else {
hide_view_in_scratchpad(sp_view);
sp_view = NULL;
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return cmd_results_new(CMD_FAILURE, "scratchpad", "Expected 'scratchpad show' when scratchpad is not empty.");
}
// sort in order of longest->shortest
static int compare_set(const void *_l, const void *_r) {
struct sway_variable * const *l = _l;
struct sway_variable * const *r = _r;
return strlen((*r)->name) - strlen((*l)->name);
}
static struct cmd_results *cmd_set(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "set", "Can only be used in config file.");
if ((error = checkarg(argc, "set", EXPECTED_AT_LEAST, 2))) {
return error;
}
struct sway_variable *var = NULL;
// Find old variable if it exists
int i;
for (i = 0; i < config->symbols->length; ++i) {
var = config->symbols->items[i];
if (strcmp(var->name, argv[0]) == 0) {
break;
}
var = NULL;
}
if (var) {
free(var->value);
} else {
var = malloc(sizeof(struct sway_variable));
var->name = strdup(argv[0]);
list_add(config->symbols, var);
list_sort(config->symbols, compare_set);
}
var->value = join_args(argv + 1, argc - 1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *_do_split(int argc, char **argv, int layout) {
char *name = layout == L_VERT ? "splitv" :
layout == L_HORIZ ? "splith" : "split";
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, name, "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, name, "Can only be used when sway is running.");
if ((error = checkarg(argc, name, EXPECTED_EQUAL_TO, 0))) {
return error;
}
swayc_t *focused = get_focused_container(&root_container);
// Case of floating window, dont split
if (focused->is_floating) {
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
/* Case that focus is on an workspace with 0/1 children.change its layout */
if (focused->type == C_WORKSPACE && focused->children->length <= 1) {
sway_log(L_DEBUG, "changing workspace layout");
focused->layout = layout;
} else if (focused->type != C_WORKSPACE && focused->parent->children->length == 1) {
/* Case of no siblings. change parent layout */
sway_log(L_DEBUG, "changing container layout");
focused->parent->layout = layout;
} else {
/* regular case where new split container is build around focused container
* or in case of workspace, container inherits its children */
sway_log(L_DEBUG, "Adding new container around current focused container");
swayc_t *parent = new_container(focused, layout);
set_focused_container(focused);
arrange_windows(parent, -1, -1);
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_split(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "split", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "split", "Can only be used when sway is running.");
if ((error = checkarg(argc, "split", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "v") == 0 || strcasecmp(argv[0], "vertical") == 0) {
_do_split(argc - 1, argv + 1, L_VERT);
} else if (strcasecmp(argv[0], "h") == 0 || strcasecmp(argv[0], "horizontal") == 0) {
_do_split(argc - 1, argv + 1, L_HORIZ);
} else {
error = cmd_results_new(CMD_FAILURE, "split",
"Invalid split command (expected either horiziontal or vertical).");
return error;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_splitv(int argc, char **argv) {
return _do_split(argc, argv, L_VERT);
}
static struct cmd_results *cmd_splith(int argc, char **argv) {
return _do_split(argc, argv, L_HORIZ);
}
static struct cmd_results *cmd_log_colors(int argc, char **argv) {
struct cmd_results *error = NULL;
if (!config->reading) return cmd_results_new(CMD_FAILURE, "log_colors", "Can only be used in config file.");
if ((error = checkarg(argc, "log_colors", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "no") == 0) {
sway_log_colors(0);
} else if (strcasecmp(argv[0], "yes") == 0) {
sway_log_colors(1);
} else {
error = cmd_results_new(CMD_FAILURE, "log_colors",
"Invalid log_colors command (expected `yes` or `no`, got '%s')", argv[0]);
return error;
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_fullscreen(int argc, char **argv) {
struct cmd_results *error = NULL;
if (config->reading) return cmd_results_new(CMD_FAILURE, "fullscreen", "Can't be used in config file.");
if (!config->active) return cmd_results_new(CMD_FAILURE, "fullscreen", "Can only be used when sway is running.");
if ((error = checkarg(argc, "fullscreen", EXPECTED_AT_LEAST, 0))) {
return error;
}
swayc_t *container = get_focused_view(&root_container);
bool current = swayc_is_fullscreen(container);
wlc_view_set_state(container->handle, WLC_BIT_FULLSCREEN, !current);
// Resize workspace if going from fullscreen -> notfullscreen
// otherwise just resize container
if (current) {
container = swayc_parent_by_type(container, C_WORKSPACE);
}
// Only resize container when going into fullscreen
arrange_windows(container, -1, -1);
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_workspace(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "workspace", EXPECTED_AT_LEAST, 1))) {
return error;
}
if (argc == 1) {
if (config->reading || !config->active) {
return cmd_results_new(CMD_DEFER, "workspace", NULL);
}
// Handle workspace next/prev
swayc_t *ws = NULL;
if (strcasecmp(argv[0], "next") == 0) {
ws = workspace_next();
} else if (strcasecmp(argv[0], "prev") == 0) {
ws = workspace_prev();
} else if (strcasecmp(argv[0], "next_on_output") == 0) {
ws = workspace_output_next();
} else if (strcasecmp(argv[0], "prev_on_output") == 0) {
ws = workspace_output_prev();
} else if (strcasecmp(argv[0], "back_and_forth") == 0) {
if (prev_workspace_name) {
if (!(ws = workspace_by_name(prev_workspace_name))) {
ws = workspace_create(prev_workspace_name);
}
}
} else {
if (!(ws= workspace_by_name(argv[0]))) {
ws = workspace_create(argv[0]);
}
}
workspace_switch(ws);
} else {
if (strcasecmp(argv[1], "output") == 0) {
if ((error = checkarg(argc, "workspace", EXPECTED_EQUAL_TO, 3))) {
return error;
}
struct workspace_output *wso = calloc(1, sizeof(struct workspace_output));
sway_log(L_DEBUG, "Assigning workspace %s to output %s", argv[0], argv[2]);
wso->workspace = strdup(argv[0]);
wso->output = strdup(argv[2]);
list_add(config->workspace_outputs, wso);
if (!config->reading) {
// TODO: Move workspace to output. (dont do so when reloading)
}
}
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
static struct cmd_results *cmd_ws_auto_back_and_forth(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "workspace_auto_back_and_forth", EXPECTED_EQUAL_TO, 1))) {
return error;
}
if (strcasecmp(argv[0], "yes") == 0) {
config->auto_back_and_forth = true;
} else if (strcasecmp(argv[0], "no") == 0) {
config->auto_back_and_forth = false;
} else {
return cmd_results_new(CMD_INVALID, "workspace_auto_back_and_forth", "Expected 'workspace_auto_back_and_forth <yes|no>'");
}
return cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
/* Keep alphabetized */
static struct cmd_handler handlers[] = {
{ "bindsym", cmd_bindsym },
{ "default_orientation", cmd_orientation },
{ "exec", cmd_exec },
{ "exec_always", cmd_exec_always },
{ "exit", cmd_exit },
{ "floating", cmd_floating },
{ "floating_modifier", cmd_floating_mod },
{ "focus", cmd_focus },
{ "focus_follows_mouse", cmd_focus_follows_mouse },
{ "fullscreen", cmd_fullscreen },
{ "gaps", cmd_gaps },
{ "kill", cmd_kill },
{ "layout", cmd_layout },
{ "log_colors", cmd_log_colors },
{ "mode", cmd_mode },
{ "move", cmd_move },
{ "output", cmd_output },
{ "reload", cmd_reload },
{ "resize", cmd_resize },
{ "scratchpad", cmd_scratchpad },
{ "seamless_mouse", cmd_seamless_mouse },
{ "set", cmd_set },
{ "split", cmd_split },
{ "splith", cmd_splith },
{ "splitv", cmd_splitv },
{ "workspace", cmd_workspace },
{ "workspace_auto_back_and_forth", cmd_ws_auto_back_and_forth },
};
static int handler_compare(const void *_a, const void *_b) {
const struct cmd_handler *a = _a;
const struct cmd_handler *b = _b;
return strcasecmp(a->command, b->command);
}
static struct cmd_handler *find_handler(char *line) {
struct cmd_handler d = { .command=line };
struct cmd_handler *res = bsearch(&d, handlers,
sizeof(handlers) / sizeof(struct cmd_handler),
sizeof(struct cmd_handler), handler_compare);
return res;
}
struct cmd_results *handle_command(char *_exec) {
// Even though this function will process multiple commands we will only
// return the last error, if any (for now). (Since we have access to an
// error string we could e.g. concatonate all errors there.)
struct cmd_results *results = NULL;
char *exec = strdup(_exec);
char *head = exec;
char *cmdlist;
char *cmd;
char *criteria __attribute__((unused));
head = exec;
do {
// Handle criteria
if (*head == '[') {
criteria = argsep(&head, "]");
if (head) {
++head;
// TODO handle criteria
} else {
results = cmd_results_new(CMD_INVALID, NULL, "Unmatched [");
}
// Skip leading whitespace
head += strspn(head, whitespace);
}
// Split command list
cmdlist = argsep(&head, ";");
cmdlist += strspn(cmdlist, whitespace);
do {
// Split commands
cmd = argsep(&cmdlist, ",");
cmd += strspn(cmd, whitespace);
if (strcmp(cmd, "") == 0) {
sway_log(L_INFO, "Ignoring empty command.");
continue;
}
sway_log(L_INFO, "Handling command '%s'", cmd);
//TODO better handling of argv
int argc;
char **argv = split_args(cmd, &argc);
if (argc>1 && (*argv[1] == '\"' || *argv[1] == '\'')) {
strip_quotes(argv[1]);
}
struct cmd_handler *handler = find_handler(argv[0]);
if (!handler) {
if (results) {
free_cmd_results(results);
}
results = cmd_results_new(CMD_INVALID, cmd, "Unknown/invalid command");
free_argv(argc, argv);
goto cleanup;
}
struct cmd_results *res = handler->handle(argc-1, argv+1);
if (res->status != CMD_SUCCESS) {
free_argv(argc, argv);
if (results) {
free_cmd_results(results);
}
results = res;
goto cleanup;
}
free_argv(argc, argv);
free_cmd_results(res);
} while(cmdlist);
} while(head);
cleanup:
free(exec);
if (!results) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return results;
}
struct cmd_results *config_command(char *exec) {
struct cmd_results *results = NULL;
int argc;
char **argv = split_args(exec, &argc);
if (!argc) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
goto cleanup;
}
sway_log(L_INFO, "handling config command '%s'", exec);
// Endblock
if (**argv == '}') {
results = cmd_results_new(CMD_BLOCK_END, NULL, NULL);
goto cleanup;
}
struct cmd_handler *handler = find_handler(argv[0]);
if (!handler) {
char *input = argv[0] ? argv[0] : "(empty)";
results = cmd_results_new(CMD_INVALID, input, "Unknown/invalid command");
goto cleanup;
}
int i;
// Var replacement, for all but first argument of set
for (i = handler->handle == cmd_set ? 2 : 1; i < argc; ++i) {
argv[i] = do_var_replacement(argv[i]);
}
/* Strip quotes for first argument.
* TODO This part needs to be handled much better */
if (argc>1 && (*argv[1] == '\"' || *argv[1] == '\'')) {
strip_quotes(argv[1]);
}
results = handler->handle(argc-1, argv+1);
cleanup:
free_argv(argc, argv);
return results;
}
struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, const char *format, ...) {
struct cmd_results *results = malloc(sizeof(struct cmd_results));
results->status = status;
if (input) {
results->input = strdup(input); // input is the command name
} else {
results->input = NULL;
}
if (format) {
char *error = malloc(256);
va_list args;
va_start(args, format);
vsnprintf(error, 256, format, args);
va_end(args);
results->error = error;
} else {
results->error = NULL;
}
return results;
}
void free_cmd_results(struct cmd_results *results) {
if (results->input) {
free(results->input);
}
if (results->error) {
free(results->error);
}
free(results);
}
const char *cmd_results_to_json(struct cmd_results *results) {
json_object *root = json_object_new_object();
json_object_object_add(root, "success", json_object_new_boolean(results->status == CMD_SUCCESS));
if (results->input) {
json_object_object_add(root, "input", json_object_new_string(results->input));
}
if (results->error) {
json_object_object_add(root, "error", json_object_new_string(results->error));
}
const char *json = json_object_to_json_string(root);
free(root);
return json;
}