swayfx/sway/commands.c
S. Christoffer Eliesen c49e5340db commands: cmd_move: Fix "move container to workspace _number_ n"
This is an undocumented feature (the word "number" is just ignored
anyway), but it exists to be compatible with i3 config syntax.

Plus some code cleanup at the same time.
2015-10-25 13:19:48 +01:00

1361 lines
42 KiB
C

#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;
}