If moving the last ws, create a new one in its place.

[i3/i3] / src / workspace.c

diff --git a/src/workspace.c b/src/workspace.c
index 55d4af61685f484e091e15c1200585cefa3c392d..4fc8ba1bda3c421905c7a3b1720cd1cc7e506879 100644 (file)
--- a/src/workspace.c
+++ b/src/workspace.c
@@ -88,6 +88,127 @@ Con *workspace_get(const char *num, bool *created) {
     return workspace;
 }
 
+/*
+ * Returns a pointer to a new workspace in the given output. The workspace
+ * is created attached to the tree hierarchy through the given content
+ * container.
+ *
+ */
+Con *create_workspace_on_output(Output *output, Con *content) {
+    /* add a workspace to this output */
+    Con *out, *current;
+    char *name;
+    bool exists = true;
+    Con *ws = con_new(NULL, NULL);
+    ws->type = CT_WORKSPACE;
+
+    /* try the configured workspace bindings first to find a free name */
+    Binding *bind;
+    TAILQ_FOREACH(bind, bindings, bindings) {
+        DLOG("binding with command %s\n", bind->command);
+        if (strlen(bind->command) < strlen("workspace ") ||
+            strncasecmp(bind->command, "workspace", strlen("workspace")) != 0)
+            continue;
+        DLOG("relevant command = %s\n", bind->command);
+        char *target = bind->command + strlen("workspace ");
+        /* We check if this is the workspace
+         * next/prev/next_on_output/prev_on_output/back_and_forth command.
+         * Beware: The workspace names "next", "prev", "next_on_output",
+         * "prev_on_output" and "back_and_forth" are OK, so we check before
+         * stripping the double quotes */
+        if (strncasecmp(target, "next", strlen("next")) == 0 ||
+            strncasecmp(target, "prev", strlen("prev")) == 0 ||
+            strncasecmp(target, "next_on_output", strlen("next_on_output")) == 0 ||
+            strncasecmp(target, "prev_on_output", strlen("prev_on_output")) == 0 ||
+            strncasecmp(target, "back_and_forth", strlen("back_and_forth")) == 0)
+            continue;
+        if (*target == '"')
+            target++;
+        FREE(ws->name);
+        ws->name = strdup(target);
+        if (ws->name[strlen(ws->name)-1] == '"')
+            ws->name[strlen(ws->name)-1] = '\0';
+        DLOG("trying name *%s*\n", ws->name);
+
+        /* Ensure that this workspace is not assigned to a different output —
+         * otherwise we would create it, then move it over to its output, then
+         * find a new workspace, etc… */
+        bool assigned = false;
+        struct Workspace_Assignment *assignment;
+        TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
+            if (strcmp(assignment->name, ws->name) != 0 ||
+                strcmp(assignment->output, output->name) == 0)
+                continue;
+
+            assigned = true;
+            break;
+        }
+
+        if (assigned)
+            continue;
+
+        current = NULL;
+        TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
+            GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
+
+        exists = (current != NULL);
+        if (!exists) {
+            /* Set ->num to the number of the workspace, if the name actually
+             * is a number or starts with a number */
+            char *endptr = NULL;
+            long parsed_num = strtol(ws->name, &endptr, 10);
+            if (parsed_num == LONG_MIN ||
+                parsed_num == LONG_MAX ||
+                parsed_num < 0 ||
+                endptr == ws->name)
+                ws->num = -1;
+            else ws->num = parsed_num;
+            LOG("Used number %d for workspace with name %s\n", ws->num, ws->name);
+
+            break;
+        }
+    }
+
+    if (exists) {
+        /* get the next unused workspace number */
+        DLOG("Getting next unused workspace by number\n");
+        int c = 0;
+        while (exists) {
+            c++;
+
+            FREE(ws->name);
+            sasprintf(&(ws->name), "%d", c);
+
+            current = NULL;
+            TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
+                GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
+            exists = (current != NULL);
+
+            DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
+        }
+        ws->num = c;
+    }
+    con_attach(ws, content, false);
+
+    sasprintf(&name, "[i3 con] workspace %s", ws->name);
+    x_set_name(ws, name);
+    free(name);
+
+    ws->fullscreen_mode = CF_OUTPUT;
+
+    /* If default_orientation is set to NO_ORIENTATION we determine
+     * orientation depending on output resolution. */
+    if (config.default_orientation == NO_ORIENTATION) {
+        ws->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
+        DLOG("Auto orientation. Workspace size set to (%d,%d), setting orientation to %d.\n",
+             output->rect.width, output->rect.height, ws->orientation);
+    } else {
+        ws->orientation = config.default_orientation;
+    }
+
+    return ws;
+}
+
 /*
  * Returns true if the workspace is currently visible. Especially important for
  * multi-monitor environments, as they can have multiple currenlty active