add config variable for emtpy workspaces

include/config_directives.h

@@ -51,6 +51,7 @@ CFGFUN(floating_maximum_size, const long width, const long height);
 CFGFUN(default_orientation, const char *orientation);
 CFGFUN(workspace_layout, const char *layout);
 CFGFUN(workspace_back_and_forth, const char *value);
+CFGFUN(empty_workspaces, const char *value);
 CFGFUN(focus_follows_mouse, const char *value);
 CFGFUN(mouse_warping, const char *value);
 CFGFUN(focus_wrapping, const char *value);

include/configuration.h

@@ -119,6 +119,9 @@ struct Config {
     /** Default orientation for new containers */
     int default_orientation;
 
+    /** Init empty workspaces on startup */
+    bool empty_workspaces;
+
     /** By default, focus follows mouse. If the user explicitly wants to
      * turn this off (and instead rely only on the keyboard for changing
      * focus), we allow them to do this with this relatively special option.

src/config.c

@@ -210,6 +210,8 @@ bool load_configuration(const char *override_configpath, config_load_t load_type
 
     config.show_marks = true;
 
+    config.empty_workspaces = false;
+
     config.default_border = BS_NORMAL;
     config.default_floating_border = BS_NORMAL;
     config.default_border_width = logical_px(2);

src/config_directives.c

@@ -411,6 +411,10 @@ CFGFUN(hide_edge_borders, const char *borders) {
         config.hide_edge_borders = HEBM_NONE;
 }
 
+CFGFUN(empty_workspaces, const char *value) {
+    config.empty_workspaces = boolstr(value);
+}
+
 CFGFUN(focus_follows_mouse, const char *value) {
     config.disable_focus_follows_mouse = !boolstr(value);
 }

src/main.c

@@ -1199,7 +1199,11 @@ int main(int argc, char *argv[]) {
     atexit(i3_exit);
 
     sd_notify(1, "READY=1");
+
+    if (config.empty_workspaces) {
         workspace_init();
+    }
+
     ev_loop(main_loop, 0);
 
     /* Free these heap allocations just to satisfy LeakSanitizer. */

src/workspace.c

@@ -514,8 +514,9 @@ void workspace_show(Con *workspace) {
      * client, which will clear the urgency flag too early. Also, there is no
      * way for con_focus() to know about when to clear urgency immediately and
      * when to defer it. */
-    /*
+
-    if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
+    if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))
+        && !config.empty_workspaces) {
         if (!workspace_is_visible(old)) {
             LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
             yajl_gen gen = ipc_marshal_workspace_event("empty", old, NULL);
@@ -535,7 +536,6 @@ void workspace_show(Con *workspace) {
             ewmh_update_desktop_properties();
         }
     }
-    */
 
     workspace->fullscreen_mode = CF_OUTPUT;
     LOG("focused now = %p / %s\n", focused, focused->name);