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