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#include <stdlib.h>
#include <stdbool.h>
#include <wlc/wlc.h>
#include <string.h>
#include <strings.h>
#include "workspace.h"
#include "layout.h"
#include "list.h"
#include "log.h"
#include "container.h"
#include "handlers.h"
#include "config.h"
#include "stringop.h"
#include "focus.h"
#include "util.h"
char *prev_workspace_name = NULL;
char *workspace_next_name(void) {
sway_log(L_DEBUG, "Workspace: Generating new name");
int i;
int l = 1;
// Scan all workspace bindings to find the next available workspace name,
// if none are found/available then default to a number
struct sway_mode *mode = config->current_mode;
for (i = 0; i < mode->bindings->length; ++i) {
struct sway_binding *binding = mode->bindings->items[i];
const char* command = binding->command;
list_t *args = split_string(command, " ");
if (strcmp("workspace", args->items[0]) == 0 && args->length > 1) {
sway_log(L_DEBUG, "Got valid workspace command for target: '%s'", (char *)args->items[1]);
char* target = malloc(strlen(args->items[1]) + 1);
strcpy(target, args->items[1]);
while (*target == ' ' || *target == '\t')
target++;
// Make sure that the command references an actual workspace
// not a command about workspaces
if (strcmp(target, "next") == 0 ||
strcmp(target, "prev") == 0 ||
strcmp(target, "next_on_output") == 0 ||
strcmp(target, "prev_on_output") == 0 ||
strcmp(target, "number") == 0 ||
strcmp(target, "back_and_forth") == 0 ||
strcmp(target, "current") == 0)
{
free_flat_list(args);
continue;
}
// Make sure that the workspace doesn't already exist
if (workspace_by_name(target)) {
free_flat_list(args);
continue;
}
free_flat_list(args);
sway_log(L_DEBUG, "Workspace: Found free name %s", target);
return target;
}
free_flat_list(args);
}
// As a fall back, get the current number of active workspaces
// and return that + 1 for the next workspace's name
int ws_num = root_container.children->length;
if (ws_num >= 10) {
l = 2;
} else if (ws_num >= 100) {
l = 3;
}
char *name = malloc(l + 1);
sprintf(name, "%d", ws_num++);
return name;
}
swayc_t *workspace_create(const char* name) {
swayc_t *parent;
// Search for workspace<->output pair
int i, e = config->workspace_outputs->length;
for (i = 0; i < e; ++i) {
struct workspace_output *wso = config->workspace_outputs->items[i];
if (strcasecmp(wso->workspace, name) == 0)
{
// Find output to use if it exists
e = root_container.children->length;
for (i = 0; i < e; ++i) {
parent = root_container.children->items[i];
if (strcmp(parent->name, wso->output) == 0) {
return new_workspace(parent, name);
}
}
break;
}
}
// Otherwise create a new one
parent = get_focused_container(&root_container);
parent = swayc_parent_by_type(parent, C_OUTPUT);
return new_workspace(parent, name);
}
static bool _workspace_by_name(swayc_t *view, void *data) {
return (view->type == C_WORKSPACE) &&
(strcasecmp(view->name, (char *) data) == 0);
}
swayc_t *workspace_by_name(const char* name) {
if (strcmp(name, "prev") == 0) {
return workspace_prev();
}
else if (strcmp(name, "prev_on_output") == 0) {
return workspace_output_prev();
}
else if (strcmp(name, "next") == 0) {
return workspace_next();
}
else if (strcmp(name, "next_on_output") == 0) {
return workspace_output_next();
}
else if (strcmp(name, "current") == 0) {
return swayc_active_workspace();
}
else {
return swayc_by_test(&root_container, _workspace_by_name, (void *) name);
}
}
/**
* Get the previous or next workspace on the specified output.
* Wraps around at the end and beginning.
* If next is false, the previous workspace is returned, otherwise the next one is returned.
*/
swayc_t *workspace_output_prev_next_impl(swayc_t *output, bool next) {
if (!sway_assert(output->type == C_OUTPUT, "Argument must be an output, is %d", output->type)) {
return NULL;
}
int i;
for (i = 0; i < output->children->length; i++) {
if (output->children->items[i] == output->focused) {
return output->children->items[wrap(i + (next ? 1 : -1), output->children->length)];
}
}
// Doesn't happen, at worst the for loop returns the previously active workspace
return NULL;
}
/**
* Get the previous or next workspace. If the first/last workspace on an output is active,
* proceed to the previous/next output's previous/next workspace.
* If next is false, the previous workspace is returned, otherwise the next one is returned.
*/
swayc_t *workspace_prev_next_impl(swayc_t *workspace, bool next) {
if (!sway_assert(workspace->type == C_WORKSPACE, "Argument must be a workspace, is %d", workspace->type)) {
return NULL;
}
swayc_t *current_output = workspace->parent;
int offset = next ? 1 : -1;
int start = next ? 0 : 1;
int end = next ? (current_output->children->length) - 1 : current_output->children->length;
int i;
for (i = start; i < end; i++) {
if (current_output->children->items[i] == workspace) {
return current_output->children->items[i + offset];
}
}
// Given workspace is the first/last on the output, jump to the previous/next output
int num_outputs = root_container.children->length;
for (i = 0; i < num_outputs; i++) {
if (root_container.children->items[i] == current_output) {
swayc_t *next_output = root_container.children->items[wrap(i + offset, num_outputs)];
return workspace_output_prev_next_impl(next_output, next);
}
}
// Doesn't happen, at worst the for loop returns the previously active workspace on the active output
return NULL;
}
swayc_t *workspace_output_next() {
return workspace_output_prev_next_impl(swayc_active_output(), true);
}
swayc_t *workspace_next() {
return workspace_prev_next_impl(swayc_active_workspace(), true);
}
swayc_t *workspace_output_prev() {
return workspace_output_prev_next_impl(swayc_active_output(), false);
}
swayc_t *workspace_prev() {
return workspace_prev_next_impl(swayc_active_workspace(), false);
}
void workspace_switch(swayc_t *workspace) {
if (!workspace) {
return;
}
swayc_t *active_ws = swayc_active_workspace();
if (config->auto_back_and_forth && active_ws == workspace && prev_workspace_name) {
swayc_t *new_ws = workspace_by_name(prev_workspace_name);
workspace = new_ws ? new_ws : workspace_create(prev_workspace_name);
}
if (!prev_workspace_name
|| (strcmp(prev_workspace_name, active_ws->name)
&& active_ws != workspace)) {
free(prev_workspace_name);
prev_workspace_name = malloc(strlen(active_ws->name)+1);
strcpy(prev_workspace_name, active_ws->name);
}
sway_log(L_DEBUG, "Switching to workspace %p:%s", workspace, workspace->name);
set_focused_container(get_focused_view(workspace));
arrange_windows(workspace, -1, -1);
}
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