906 lines
30 KiB
C
906 lines
30 KiB
C
#undef I3__FILE__
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#define I3__FILE__ "workspace.c"
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/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* workspace.c: Modifying workspaces, accessing them, moving containers to
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* workspaces.
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*
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*/
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#include "all.h"
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#include "yajl_utils.h"
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#include <yajl/yajl_gen.h>
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/* Stores a copy of the name of the last used workspace for the workspace
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* back-and-forth switching. */
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static char *previous_workspace_name = NULL;
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/*
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* Sets ws->layout to splith/splitv if default_orientation was specified in the
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* configfile. Otherwise, it uses splith/splitv depending on whether the output
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* is higher than wide.
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*
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*/
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static void _workspace_apply_default_orientation(Con *ws) {
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/* If default_orientation is set to NO_ORIENTATION we determine
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* orientation depending on output resolution. */
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if (config.default_orientation == NO_ORIENTATION) {
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Con *output = con_get_output(ws);
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ws->layout = (output->rect.height > output->rect.width) ? L_SPLITV : L_SPLITH;
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DLOG("Auto orientation. Workspace size set to (%d,%d), setting layout to %d.\n",
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output->rect.width, output->rect.height, ws->layout);
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} else {
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ws->layout = (config.default_orientation == HORIZ) ? L_SPLITH : L_SPLITV;
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}
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}
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/*
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* Returns a pointer to the workspace with the given number (starting at 0),
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* creating the workspace if necessary (by allocating the necessary amount of
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* memory and initializing the data structures correctly).
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*
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*/
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Con *workspace_get(const char *num, bool *created) {
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Con *output, *workspace = NULL;
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TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
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GREP_FIRST(workspace, output_get_content(output), !strcasecmp(child->name, num));
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if (workspace == NULL) {
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LOG("Creating new workspace \"%s\"\n", num);
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/* unless an assignment is found, we will create this workspace on the current output */
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output = con_get_output(focused);
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/* look for assignments */
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struct Workspace_Assignment *assignment;
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TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
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if (strcmp(assignment->name, num) != 0)
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continue;
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LOG("Found workspace assignment to output \"%s\"\n", assignment->output);
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GREP_FIRST(output, croot, !strcmp(child->name, assignment->output));
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break;
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}
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Con *content = output_get_content(output);
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LOG("got output %p with content %p\n", output, content);
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/* We need to attach this container after setting its type. con_attach
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* will handle CT_WORKSPACEs differently */
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workspace = con_new(NULL, NULL);
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char *name;
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sasprintf(&name, "[i3 con] workspace %s", num);
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x_set_name(workspace, name);
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free(name);
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workspace->type = CT_WORKSPACE;
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FREE(workspace->name);
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workspace->name = sstrdup(num);
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workspace->workspace_layout = config.default_layout;
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/* We set ->num to the number if this workspace’s name begins with a
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* positive number. Otherwise it’s a named ws and num will be -1. */
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char *endptr = NULL;
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long parsed_num = strtol(num, &endptr, 10);
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if (parsed_num == LONG_MIN ||
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parsed_num == LONG_MAX ||
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parsed_num < 0 ||
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endptr == num)
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workspace->num = -1;
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else workspace->num = parsed_num;
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LOG("num = %d\n", workspace->num);
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workspace->parent = content;
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_workspace_apply_default_orientation(workspace);
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con_attach(workspace, content, false);
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ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
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if (created != NULL)
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*created = true;
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}
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else if (created != NULL) {
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*created = false;
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}
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return workspace;
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}
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/*
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* Returns a pointer to a new workspace in the given output. The workspace
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* is created attached to the tree hierarchy through the given content
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* container.
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*
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*/
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Con *create_workspace_on_output(Output *output, Con *content) {
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/* add a workspace to this output */
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Con *out, *current;
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char *name;
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bool exists = true;
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Con *ws = con_new(NULL, NULL);
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ws->type = CT_WORKSPACE;
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/* try the configured workspace bindings first to find a free name */
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Binding *bind;
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TAILQ_FOREACH(bind, bindings, bindings) {
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DLOG("binding with command %s\n", bind->command);
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if (strlen(bind->command) < strlen("workspace ") ||
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strncasecmp(bind->command, "workspace", strlen("workspace")) != 0)
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continue;
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DLOG("relevant command = %s\n", bind->command);
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char *target = bind->command + strlen("workspace ");
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while((*target == ' ' || *target == '\t') && target != '\0')
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target++;
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/* We check if this is the workspace
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* next/prev/next_on_output/prev_on_output/back_and_forth/number command.
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* Beware: The workspace names "next", "prev", "next_on_output",
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* "prev_on_output", "number", "back_and_forth" and "current" are OK,
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* so we check before stripping the double quotes */
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if (strncasecmp(target, "next", strlen("next")) == 0 ||
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strncasecmp(target, "prev", strlen("prev")) == 0 ||
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strncasecmp(target, "next_on_output", strlen("next_on_output")) == 0 ||
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strncasecmp(target, "prev_on_output", strlen("prev_on_output")) == 0 ||
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strncasecmp(target, "number", strlen("number")) == 0 ||
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strncasecmp(target, "back_and_forth", strlen("back_and_forth")) == 0 ||
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strncasecmp(target, "current", strlen("current")) == 0)
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continue;
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if (*target == '"')
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target++;
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FREE(ws->name);
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ws->name = strdup(target);
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if (ws->name[strlen(ws->name)-1] == '"')
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ws->name[strlen(ws->name)-1] = '\0';
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DLOG("trying name *%s*\n", ws->name);
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/* Ensure that this workspace is not assigned to a different output —
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* otherwise we would create it, then move it over to its output, then
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* find a new workspace, etc… */
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bool assigned = false;
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struct Workspace_Assignment *assignment;
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TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
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if (strcmp(assignment->name, ws->name) != 0 ||
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strcmp(assignment->output, output->name) == 0)
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continue;
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assigned = true;
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break;
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}
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if (assigned)
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continue;
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current = NULL;
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TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
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GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
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exists = (current != NULL);
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if (!exists) {
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/* Set ->num to the number of the workspace, if the name actually
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* is a number or starts with a number */
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char *endptr = NULL;
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long parsed_num = strtol(ws->name, &endptr, 10);
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if (parsed_num == LONG_MIN ||
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parsed_num == LONG_MAX ||
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parsed_num < 0 ||
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endptr == ws->name)
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ws->num = -1;
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else ws->num = parsed_num;
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LOG("Used number %d for workspace with name %s\n", ws->num, ws->name);
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break;
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}
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}
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if (exists) {
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/* get the next unused workspace number */
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DLOG("Getting next unused workspace by number\n");
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int c = 0;
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while (exists) {
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c++;
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FREE(ws->name);
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sasprintf(&(ws->name), "%d", c);
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current = NULL;
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TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
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GREP_FIRST(current, output_get_content(out), !strcasecmp(child->name, ws->name));
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exists = (current != NULL);
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DLOG("result for ws %s / %d: exists = %d\n", ws->name, c, exists);
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}
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ws->num = c;
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}
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con_attach(ws, content, false);
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sasprintf(&name, "[i3 con] workspace %s", ws->name);
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x_set_name(ws, name);
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free(name);
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ws->fullscreen_mode = CF_OUTPUT;
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ws->workspace_layout = config.default_layout;
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_workspace_apply_default_orientation(ws);
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return ws;
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}
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/*
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* Returns true if the workspace is currently visible. Especially important for
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* multi-monitor environments, as they can have multiple currenlty active
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* workspaces.
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*
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*/
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bool workspace_is_visible(Con *ws) {
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Con *output = con_get_output(ws);
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if (output == NULL)
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return false;
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Con *fs = con_get_fullscreen_con(output, CF_OUTPUT);
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LOG("workspace visible? fs = %p, ws = %p\n", fs, ws);
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return (fs == ws);
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}
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/*
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* XXX: we need to clean up all this recursive walking code.
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*
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*/
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Con *_get_sticky(Con *con, const char *sticky_group, Con *exclude) {
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Con *current;
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TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
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if (current != exclude &&
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current->sticky_group != NULL &&
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current->window != NULL &&
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strcmp(current->sticky_group, sticky_group) == 0)
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return current;
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Con *recurse = _get_sticky(current, sticky_group, exclude);
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if (recurse != NULL)
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return recurse;
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}
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TAILQ_FOREACH(current, &(con->floating_head), floating_windows) {
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if (current != exclude &&
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current->sticky_group != NULL &&
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current->window != NULL &&
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strcmp(current->sticky_group, sticky_group) == 0)
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return current;
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Con *recurse = _get_sticky(current, sticky_group, exclude);
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if (recurse != NULL)
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return recurse;
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}
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return NULL;
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}
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/*
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* Reassigns all child windows in sticky containers. Called when the user
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* changes workspaces.
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*
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* XXX: what about sticky containers which contain containers?
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*
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*/
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static void workspace_reassign_sticky(Con *con) {
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Con *current;
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/* 1: go through all containers */
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/* handle all children and floating windows of this node */
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TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
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if (current->sticky_group == NULL) {
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workspace_reassign_sticky(current);
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continue;
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}
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LOG("Ah, this one is sticky: %s / %p\n", current->name, current);
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/* 2: find a window which we can re-assign */
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Con *output = con_get_output(current);
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Con *src = _get_sticky(output, current->sticky_group, current);
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if (src == NULL) {
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LOG("No window found for this sticky group\n");
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workspace_reassign_sticky(current);
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continue;
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}
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x_move_win(src, current);
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current->window = src->window;
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current->mapped = true;
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src->window = NULL;
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src->mapped = false;
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x_reparent_child(current, src);
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LOG("re-assigned window from src %p to dest %p\n", src, current);
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}
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TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
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workspace_reassign_sticky(current);
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}
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/*
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* Callback to reset the urgent flag of the given con to false. May be started by
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* _workspace_show to avoid urgency hints being lost by switching to a workspace
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* focusing the con.
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*
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*/
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static void workspace_defer_update_urgent_hint_cb(EV_P_ ev_timer *w, int revents) {
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Con *con = w->data;
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DLOG("Resetting urgency flag of con %p by timer\n", con);
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con->urgent = false;
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con_update_parents_urgency(con);
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workspace_update_urgent_flag(con_get_workspace(con));
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tree_render();
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ev_timer_stop(main_loop, con->urgency_timer);
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FREE(con->urgency_timer);
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}
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/*
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* For the "focus" event we send, along the usual "change" field, also the
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* current and previous workspace, in "current" and "old" respectively.
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*/
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static void ipc_send_workspace_focus_event(Con *current, Con *old) {
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setlocale(LC_NUMERIC, "C");
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yajl_gen gen = ygenalloc();
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y(map_open);
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ystr("change");
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ystr("focus");
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ystr("current");
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dump_node(gen, current, false);
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ystr("old");
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if (old == NULL)
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y(null);
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else
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dump_node(gen, old, false);
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y(map_close);
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const unsigned char *payload;
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ylength length;
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y(get_buf, &payload, &length);
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ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, (const char *)payload);
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y(free);
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setlocale(LC_NUMERIC, "");
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}
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static void _workspace_show(Con *workspace) {
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Con *current, *old = NULL;
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/* safe-guard against showing i3-internal workspaces like __i3_scratch */
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if (con_is_internal(workspace))
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return;
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/* disable fullscreen for the other workspaces and get the workspace we are
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* currently on. */
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TAILQ_FOREACH(current, &(workspace->parent->nodes_head), nodes) {
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if (current->fullscreen_mode == CF_OUTPUT)
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old = current;
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current->fullscreen_mode = CF_NONE;
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}
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/* enable fullscreen for the target workspace. If it happens to be the
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* same one we are currently on anyways, we can stop here. */
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workspace->fullscreen_mode = CF_OUTPUT;
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current = con_get_workspace(focused);
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if (workspace == current) {
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DLOG("Not switching, already there.\n");
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return;
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}
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/* Remember currently focused workspace for switching back to it later with
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* the 'workspace back_and_forth' command.
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* NOTE: We have to duplicate the name as the original will be freed when
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* the corresponding workspace is cleaned up.
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* NOTE: Internal cons such as __i3_scratch (when a scratchpad window is
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* focused) are skipped, see bug #868. */
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if (current && !con_is_internal(current)) {
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FREE(previous_workspace_name);
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if (current) {
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previous_workspace_name = sstrdup(current->name);
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DLOG("Setting previous_workspace_name = %s\n", previous_workspace_name);
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}
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}
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workspace_reassign_sticky(workspace);
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DLOG("switching to %p / %s\n", workspace, workspace->name);
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Con *next = con_descend_focused(workspace);
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/* Memorize current output */
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Con *old_output = con_get_output(focused);
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/* Display urgency hint for a while if the newly visible workspace would
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* focus and thereby immediately destroy it */
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if (next->urgent && (int)(config.workspace_urgency_timer * 1000) > 0) {
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/* focus for now… */
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con_focus(next);
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/* … but immediately reset urgency flags; they will be set to false by
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* the timer callback in case the container is focused at the time of
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* its expiration */
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focused->urgent = true;
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workspace->urgent = true;
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if (focused->urgency_timer == NULL) {
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DLOG("Deferring reset of urgency flag of con %p on newly shown workspace %p\n",
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focused, workspace);
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focused->urgency_timer = scalloc(sizeof(struct ev_timer));
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/* use a repeating timer to allow for easy resets */
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ev_timer_init(focused->urgency_timer, workspace_defer_update_urgent_hint_cb,
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config.workspace_urgency_timer, config.workspace_urgency_timer);
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focused->urgency_timer->data = focused;
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ev_timer_start(main_loop, focused->urgency_timer);
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} else {
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DLOG("Resetting urgency timer of con %p on workspace %p\n",
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focused, workspace);
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ev_timer_again(main_loop, focused->urgency_timer);
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}
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} else
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con_focus(next);
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ipc_send_workspace_focus_event(workspace, current);
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DLOG("old = %p / %s\n", old, (old ? old->name : "(null)"));
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/* Close old workspace if necessary. This must be done *after* doing
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* urgency handling, because tree_close() will do a con_focus() on the next
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* client, which will clear the urgency flag too early. Also, there is no
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* way for con_focus() to know about when to clear urgency immediately and
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* when to defer it. */
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if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
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/* check if this workspace is currently visible */
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if (!workspace_is_visible(old)) {
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LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
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tree_close(old, DONT_KILL_WINDOW, false, false);
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ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
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}
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}
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workspace->fullscreen_mode = CF_OUTPUT;
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LOG("focused now = %p / %s\n", focused, focused->name);
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/* Set mouse pointer */
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Con *new_output = con_get_output(focused);
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if (old_output != new_output) {
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x_set_warp_to(&next->rect);
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}
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/* Update the EWMH hints */
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ewmh_update_current_desktop();
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}
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/*
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* Switches to the given workspace
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*
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*/
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void workspace_show(Con *workspace) {
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_workspace_show(workspace);
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}
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/*
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* Looks up the workspace by name and switches to it.
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*
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*/
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void workspace_show_by_name(const char *num) {
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Con *workspace;
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workspace = workspace_get(num, NULL);
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_workspace_show(workspace);
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}
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/*
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* Focuses the next workspace.
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*
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*/
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||
Con* workspace_next(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *next = NULL;
|
||
Con *output;
|
||
|
||
if (current->num == -1) {
|
||
/* If currently a named workspace, find next named workspace. */
|
||
next = TAILQ_NEXT(current, nodes);
|
||
} else {
|
||
/* If currently a numbered workspace, find next numbered workspace. */
|
||
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child->num == -1)
|
||
break;
|
||
/* Need to check child against current and next because we are
|
||
* traversing multiple lists and thus are not guaranteed the
|
||
* relative order between the list of workspaces. */
|
||
if (current->num < child->num && (!next || child->num < next->num))
|
||
next = child;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find next named workspace. */
|
||
if (!next) {
|
||
bool found_current = false;
|
||
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child == current) {
|
||
found_current = 1;
|
||
} else if (child->num == -1 && (current->num != -1 || found_current)) {
|
||
next = child;
|
||
goto workspace_next_end;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find first workspace. */
|
||
if (!next) {
|
||
TAILQ_FOREACH(output, &(croot->nodes_head), nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (!next || (child->num != -1 && child->num < next->num))
|
||
next = child;
|
||
}
|
||
}
|
||
}
|
||
workspace_next_end:
|
||
return next;
|
||
}
|
||
|
||
/*
|
||
* Focuses the previous workspace.
|
||
*
|
||
*/
|
||
Con* workspace_prev(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *prev = NULL;
|
||
Con *output;
|
||
|
||
if (current->num == -1) {
|
||
/* If named workspace, find previous named workspace. */
|
||
prev = TAILQ_PREV(current, nodes_head, nodes);
|
||
if (prev && prev->num != -1)
|
||
prev = NULL;
|
||
} else {
|
||
/* If numbered workspace, find previous numbered workspace. */
|
||
TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE || child->num == -1)
|
||
continue;
|
||
/* Need to check child against current and previous because we
|
||
* are traversing multiple lists and thus are not guaranteed
|
||
* the relative order between the list of workspaces. */
|
||
if (current->num > child->num && (!prev || child->num > prev->num))
|
||
prev = child;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find previous named workspace. */
|
||
if (!prev) {
|
||
bool found_current = false;
|
||
TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child == current) {
|
||
found_current = true;
|
||
} else if (child->num == -1 && (current->num != -1 || found_current)) {
|
||
prev = child;
|
||
goto workspace_prev_end;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find last workspace. */
|
||
if (!prev) {
|
||
TAILQ_FOREACH_REVERSE(output, &(croot->nodes_head), nodes_head, nodes) {
|
||
/* Skip outputs starting with __, they are internal. */
|
||
if (con_is_internal(output))
|
||
continue;
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (!prev || child->num > prev->num)
|
||
prev = child;
|
||
}
|
||
}
|
||
}
|
||
|
||
workspace_prev_end:
|
||
return prev;
|
||
}
|
||
|
||
|
||
/*
|
||
* Focuses the next workspace on the same output.
|
||
*
|
||
*/
|
||
Con* workspace_next_on_output(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *next = NULL;
|
||
Con *output = con_get_output(focused);
|
||
|
||
if (current->num == -1) {
|
||
/* If currently a named workspace, find next named workspace. */
|
||
next = TAILQ_NEXT(current, nodes);
|
||
} else {
|
||
/* If currently a numbered workspace, find next numbered workspace. */
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child->num == -1)
|
||
break;
|
||
/* Need to check child against current and next because we are
|
||
* traversing multiple lists and thus are not guaranteed the
|
||
* relative order between the list of workspaces. */
|
||
if (current->num < child->num && (!next || child->num < next->num))
|
||
next = child;
|
||
}
|
||
}
|
||
|
||
/* Find next named workspace. */
|
||
if (!next) {
|
||
bool found_current = false;
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child == current) {
|
||
found_current = 1;
|
||
} else if (child->num == -1 && (current->num != -1 || found_current)) {
|
||
next = child;
|
||
goto workspace_next_on_output_end;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find first workspace. */
|
||
if (!next) {
|
||
NODES_FOREACH(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (!next || (child->num != -1 && child->num < next->num))
|
||
next = child;
|
||
}
|
||
}
|
||
workspace_next_on_output_end:
|
||
return next;
|
||
}
|
||
|
||
/*
|
||
* Focuses the previous workspace on same output.
|
||
*
|
||
*/
|
||
Con* workspace_prev_on_output(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *prev = NULL;
|
||
Con *output = con_get_output(focused);
|
||
DLOG("output = %s\n", output->name);
|
||
|
||
if (current->num == -1) {
|
||
/* If named workspace, find previous named workspace. */
|
||
prev = TAILQ_PREV(current, nodes_head, nodes);
|
||
if (prev && prev->num != -1)
|
||
prev = NULL;
|
||
} else {
|
||
/* If numbered workspace, find previous numbered workspace. */
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE || child->num == -1)
|
||
continue;
|
||
/* Need to check child against current and previous because we
|
||
* are traversing multiple lists and thus are not guaranteed
|
||
* the relative order between the list of workspaces. */
|
||
if (current->num > child->num && (!prev || child->num > prev->num))
|
||
prev = child;
|
||
}
|
||
}
|
||
|
||
/* Find previous named workspace. */
|
||
if (!prev) {
|
||
bool found_current = false;
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (child == current) {
|
||
found_current = true;
|
||
} else if (child->num == -1 && (current->num != -1 || found_current)) {
|
||
prev = child;
|
||
goto workspace_prev_on_output_end;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Find last workspace. */
|
||
if (!prev) {
|
||
NODES_FOREACH_REVERSE(output_get_content(output)) {
|
||
if (child->type != CT_WORKSPACE)
|
||
continue;
|
||
if (!prev || child->num > prev->num)
|
||
prev = child;
|
||
}
|
||
}
|
||
|
||
workspace_prev_on_output_end:
|
||
return prev;
|
||
}
|
||
|
||
/*
|
||
* Focuses the previously focused workspace.
|
||
*
|
||
*/
|
||
void workspace_back_and_forth(void) {
|
||
if (!previous_workspace_name) {
|
||
DLOG("No previous workspace name set. Not switching.");
|
||
return;
|
||
}
|
||
|
||
workspace_show_by_name(previous_workspace_name);
|
||
}
|
||
|
||
/*
|
||
* Returns the previously focused workspace con, or NULL if unavailable.
|
||
*
|
||
*/
|
||
Con *workspace_back_and_forth_get(void) {
|
||
if (!previous_workspace_name) {
|
||
DLOG("no previous workspace name set.");
|
||
return NULL;
|
||
}
|
||
|
||
Con *workspace;
|
||
workspace = workspace_get(previous_workspace_name, NULL);
|
||
|
||
return workspace;
|
||
}
|
||
|
||
static bool get_urgency_flag(Con *con) {
|
||
Con *child;
|
||
TAILQ_FOREACH(child, &(con->nodes_head), nodes)
|
||
if (child->urgent || get_urgency_flag(child))
|
||
return true;
|
||
|
||
TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
|
||
if (child->urgent || get_urgency_flag(child))
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
/*
|
||
* Goes through all clients on the given workspace and updates the workspace’s
|
||
* urgent flag accordingly.
|
||
*
|
||
*/
|
||
void workspace_update_urgent_flag(Con *ws) {
|
||
bool old_flag = ws->urgent;
|
||
ws->urgent = get_urgency_flag(ws);
|
||
DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
|
||
|
||
if (old_flag != ws->urgent)
|
||
ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
|
||
}
|
||
|
||
/*
|
||
* 'Forces' workspace orientation by moving all cons into a new split-con with
|
||
* the same layout as the workspace and then changing the workspace layout.
|
||
*
|
||
*/
|
||
void ws_force_orientation(Con *ws, orientation_t orientation) {
|
||
/* 1: create a new split container */
|
||
Con *split = con_new(NULL, NULL);
|
||
split->parent = ws;
|
||
|
||
/* 2: copy layout from workspace */
|
||
split->layout = ws->layout;
|
||
|
||
Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
|
||
|
||
/* 3: move the existing cons of this workspace below the new con */
|
||
DLOG("Moving cons\n");
|
||
while (!TAILQ_EMPTY(&(ws->nodes_head))) {
|
||
Con *child = TAILQ_FIRST(&(ws->nodes_head));
|
||
con_detach(child);
|
||
con_attach(child, split, true);
|
||
}
|
||
|
||
/* 4: switch workspace layout */
|
||
ws->layout = (orientation == HORIZ) ? L_SPLITH : L_SPLITV;
|
||
DLOG("split->layout = %d, ws->layout = %d\n", split->layout, ws->layout);
|
||
|
||
/* 5: attach the new split container to the workspace */
|
||
DLOG("Attaching new split (%p) to ws (%p)\n", split, ws);
|
||
con_attach(split, ws, false);
|
||
|
||
/* 6: fix the percentages */
|
||
con_fix_percent(ws);
|
||
|
||
if (old_focused)
|
||
con_focus(old_focused);
|
||
}
|
||
|
||
/*
|
||
* Called when a new con (with a window, not an empty or split con) should be
|
||
* attached to the workspace (for example when managing a new window or when
|
||
* moving an existing window to the workspace level).
|
||
*
|
||
* Depending on the workspace_layout setting, this function either returns the
|
||
* workspace itself (default layout) or creates a new stacked/tabbed con and
|
||
* returns that.
|
||
*
|
||
*/
|
||
Con *workspace_attach_to(Con *ws) {
|
||
DLOG("Attaching a window to workspace %p / %s\n", ws, ws->name);
|
||
|
||
if (ws->workspace_layout == L_DEFAULT) {
|
||
DLOG("Default layout, just attaching it to the workspace itself.\n");
|
||
return ws;
|
||
}
|
||
|
||
DLOG("Non-default layout, creating a new split container\n");
|
||
/* 1: create a new split container */
|
||
Con *new = con_new(NULL, NULL);
|
||
new->parent = ws;
|
||
|
||
/* 2: set the requested layout on the split con */
|
||
new->layout = ws->workspace_layout;
|
||
|
||
/* 4: attach the new split container to the workspace */
|
||
DLOG("Attaching new split %p to workspace %p\n", new, ws);
|
||
con_attach(new, ws, false);
|
||
|
||
return new;
|
||
}
|
||
|
||
/**
|
||
* Creates a new container and re-parents all of children from the given
|
||
* workspace into it.
|
||
*
|
||
* The container inherits the layout from the workspace.
|
||
*/
|
||
Con *workspace_encapsulate(Con *ws) {
|
||
if (TAILQ_EMPTY(&(ws->nodes_head))) {
|
||
ELOG("Workspace %p / %s has no children to encapsulate\n", ws, ws->name);
|
||
return NULL;
|
||
}
|
||
|
||
Con *new = con_new(NULL, NULL);
|
||
new->parent = ws;
|
||
new->layout = ws->layout;
|
||
|
||
DLOG("Moving children of workspace %p / %s into container %p\n",
|
||
ws, ws->name, new);
|
||
|
||
Con *child;
|
||
while (!TAILQ_EMPTY(&(ws->nodes_head))) {
|
||
child = TAILQ_FIRST(&(ws->nodes_head));
|
||
con_detach(child);
|
||
con_attach(child, new, true);
|
||
}
|
||
|
||
con_attach(new, ws, true);
|
||
|
||
return new;
|
||
}
|