1075 lines
37 KiB
C
1075 lines
37 KiB
C
/*
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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 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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/*
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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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*
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*/
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char *previous_workspace_name = NULL;
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/* NULL-terminated list of workspace names (in order) extracted from
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* keybindings. */
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static char **binding_workspace_names = NULL;
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/*
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* Returns the workspace with the given name or NULL if such a workspace does
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* not exist.
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*
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*/
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Con *get_existing_workspace_by_name(const char *name) {
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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, name));
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}
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return workspace;
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}
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/*
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* Returns the workspace with the given number or NULL if such a workspace does
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* not exist.
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*
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*/
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Con *get_existing_workspace_by_num(int num) {
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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), child->num == num);
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}
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return workspace;
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}
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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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ws->rect = output->rect;
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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 the first output that is assigned to a workspace specified by the
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* given name or number or NULL if no such output exists. If there is a
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* workspace with a matching name and another workspace with a matching number,
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* the output assigned to the first one is returned.
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* The order of the 'ws_assignments' queue is respected: if multiple assignments
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* match the specified workspace, the first one is returned.
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* If 'name' is NULL it will be ignored.
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* If 'parsed_num' is -1 it will be ignored.
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*
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*/
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static Con *get_assigned_output(const char *name, long parsed_num) {
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Con *output = NULL;
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struct Workspace_Assignment *assignment;
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TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
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if (name && strcmp(assignment->name, name) == 0) {
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DLOG("Found workspace name assignment to output \"%s\"\n", assignment->output);
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Output *assigned_by_name = get_output_by_name(assignment->output, true);
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if (assigned_by_name) {
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/* When the name matches exactly, skip numbered assignments. */
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return assigned_by_name->con;
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}
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} else if (!output && /* Only keep the first numbered assignment. */
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parsed_num != -1 &&
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name_is_digits(assignment->name) &&
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ws_name_to_number(assignment->name) == parsed_num) {
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DLOG("Found workspace number assignment to output \"%s\"\n", assignment->output);
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Output *assigned_by_num = get_output_by_name(assignment->output, true);
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if (assigned_by_num) {
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output = assigned_by_num->con;
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}
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}
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}
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return output;
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}
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/*
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* Returns true if the first output assigned to a workspace with the given
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* workspace assignment is the same as the given output.
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*/
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bool output_triggers_assignment(Output *output, struct Workspace_Assignment *assignment) {
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Con *assigned = get_assigned_output(assignment->name, -1);
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return assigned && assigned == output->con;
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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 *workspace = get_existing_workspace_by_name(num);
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if (workspace == NULL) {
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LOG("Creating new workspace \"%s\"\n", num);
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/* We set workspace->num to the number if this workspace’s name begins
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* with a positive number. Otherwise it’s a named ws and num will be
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* -1. */
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long parsed_num = ws_name_to_number(num);
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Con *output = get_assigned_output(num, parsed_num);
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/* if an assignment is not found, we create this workspace on the current output */
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if (!output) {
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output = con_get_output(focused);
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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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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_workspace_event("init", workspace, NULL);
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ewmh_update_desktop_properties();
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if (created != NULL)
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*created = true;
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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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* Extracts workspace names from keybindings (e.g. “web” from “bindsym $mod+1
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* workspace web”), so that when an output needs a workspace, i3 can start with
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* the first configured one. Needs to be called before reorder_bindings() so
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* that the config-file order is used, not the i3-internal order.
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*
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*/
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void extract_workspace_names_from_bindings(void) {
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Binding *bind;
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int n = 0;
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if (binding_workspace_names != NULL) {
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for (int i = 0; binding_workspace_names[i] != NULL; i++) {
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free(binding_workspace_names[i]);
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}
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FREE(binding_workspace_names);
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}
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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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const char *target = bind->command + strlen("workspace ");
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while (*target == ' ' || *target == '\t')
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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 command.
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* Beware: The workspace names "next", "prev", "next_on_output",
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* "prev_on_output", "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, "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 (strncasecmp(target, "--no-auto-back-and-forth", strlen("--no-auto-back-and-forth")) == 0) {
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target += strlen("--no-auto-back-and-forth");
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while (*target == ' ' || *target == '\t')
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target++;
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}
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if (strncasecmp(target, "number", strlen("number")) == 0) {
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target += strlen("number");
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while (*target == ' ' || *target == '\t')
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target++;
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}
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char *target_name = parse_string(&target, false);
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if (target_name == NULL)
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continue;
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if (strncasecmp(target_name, "__", strlen("__")) == 0) {
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LOG("Cannot create workspace \"%s\". Names starting with __ are i3-internal.\n", target);
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free(target_name);
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continue;
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}
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DLOG("Saving workspace name \"%s\"\n", target_name);
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binding_workspace_names = srealloc(binding_workspace_names, ++n * sizeof(char *));
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binding_workspace_names[n - 1] = target_name;
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}
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binding_workspace_names = srealloc(binding_workspace_names, ++n * sizeof(char *));
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binding_workspace_names[n - 1] = NULL;
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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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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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for (int n = 0; binding_workspace_names[n] != NULL; n++) {
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char *target_name = binding_workspace_names[n];
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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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Con *assigned = get_assigned_output(target_name, -1);
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if (assigned && assigned != output->con) {
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continue;
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}
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exists = (get_existing_workspace_by_name(target_name) != NULL);
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if (!exists) {
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ws->name = sstrdup(target_name);
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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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ws->num = ws_name_to_number(ws->name);
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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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Con *assigned = get_assigned_output(NULL, c);
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exists = (get_existing_workspace_by_num(c) || (assigned && assigned != output->con));
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DLOG("result for ws %d: exists = %d\n", c, exists);
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}
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ws->num = c;
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sasprintf(&(ws->name), "%d", 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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ipc_send_workspace_event("init", ws, NULL);
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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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static 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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/*
|
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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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*
|
||
*/
|
||
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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|
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ev_timer_stop(main_loop, con->urgency_timer);
|
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FREE(con->urgency_timer);
|
||
|
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if (con->urgent) {
|
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DLOG("Resetting urgency flag of con %p by timer\n", con);
|
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con_set_urgency(con, false);
|
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con_update_parents_urgency(con);
|
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workspace_update_urgent_flag(con_get_workspace(con));
|
||
ipc_send_window_event("urgent", con);
|
||
tree_render();
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Switches to the given workspace
|
||
*
|
||
*/
|
||
void workspace_show(Con *workspace) {
|
||
Con *current, *old = NULL;
|
||
|
||
/* safe-guard against showing i3-internal workspaces like __i3_scratch */
|
||
if (con_is_internal(workspace))
|
||
return;
|
||
|
||
/* disable fullscreen for the other workspaces and get the workspace we are
|
||
* currently on. */
|
||
TAILQ_FOREACH (current, &(workspace->parent->nodes_head), nodes) {
|
||
if (current->fullscreen_mode == CF_OUTPUT)
|
||
old = current;
|
||
current->fullscreen_mode = CF_NONE;
|
||
}
|
||
|
||
/* enable fullscreen for the target workspace. If it happens to be the
|
||
* same one we are currently on anyways, we can stop here. */
|
||
workspace->fullscreen_mode = CF_OUTPUT;
|
||
current = con_get_workspace(focused);
|
||
if (workspace == current) {
|
||
DLOG("Not switching, already there.\n");
|
||
return;
|
||
}
|
||
|
||
/* Used to correctly update focus when pushing sticky windows. Holds the
|
||
* previously focused container in the same output as workspace. For
|
||
* example, if a sticky window is focused and then we switch focus to a
|
||
* workspace in another output and then switch to a third workspace in the
|
||
* first output, the sticky window needs to be refocused. */
|
||
Con *old_focus = old ? con_descend_focused(old) : NULL;
|
||
|
||
/* Remember currently focused workspace for switching back to it later with
|
||
* the 'workspace back_and_forth' command.
|
||
* NOTE: We have to duplicate the name as the original will be freed when
|
||
* the corresponding workspace is cleaned up.
|
||
* NOTE: Internal cons such as __i3_scratch (when a scratchpad window is
|
||
* focused) are skipped, see bug #868. */
|
||
if (current && !con_is_internal(current)) {
|
||
FREE(previous_workspace_name);
|
||
previous_workspace_name = sstrdup(current->name);
|
||
DLOG("Setting previous_workspace_name = %s\n", previous_workspace_name);
|
||
}
|
||
|
||
workspace_reassign_sticky(workspace);
|
||
|
||
DLOG("switching to %p / %s\n", workspace, workspace->name);
|
||
Con *next = con_descend_focused(workspace);
|
||
|
||
/* Memorize current output */
|
||
Con *old_output = con_get_output(focused);
|
||
|
||
/* Display urgency hint for a while if the newly visible workspace would
|
||
* focus and thereby immediately destroy it */
|
||
if (next->urgent && (int)(config.workspace_urgency_timer * 1000) > 0) {
|
||
/* focus for now… */
|
||
next->urgent = false;
|
||
con_focus(next);
|
||
|
||
/* … but immediately reset urgency flags; they will be set to false by
|
||
* the timer callback in case the container is focused at the time of
|
||
* its expiration */
|
||
focused->urgent = true;
|
||
workspace->urgent = true;
|
||
|
||
if (focused->urgency_timer == NULL) {
|
||
DLOG("Deferring reset of urgency flag of con %p on newly shown workspace %p\n",
|
||
focused, workspace);
|
||
focused->urgency_timer = scalloc(1, sizeof(struct ev_timer));
|
||
/* use a repeating timer to allow for easy resets */
|
||
ev_timer_init(focused->urgency_timer, workspace_defer_update_urgent_hint_cb,
|
||
config.workspace_urgency_timer, config.workspace_urgency_timer);
|
||
focused->urgency_timer->data = focused;
|
||
ev_timer_start(main_loop, focused->urgency_timer);
|
||
} else {
|
||
DLOG("Resetting urgency timer of con %p on workspace %p\n",
|
||
focused, workspace);
|
||
ev_timer_again(main_loop, focused->urgency_timer);
|
||
}
|
||
} else
|
||
con_focus(next);
|
||
|
||
ipc_send_workspace_event("focus", workspace, current);
|
||
|
||
DLOG("old = %p / %s\n", old, (old ? old->name : "(null)"));
|
||
/* Close old workspace if necessary. This must be done *after* doing
|
||
* urgency handling, because tree_close_internal() will do a con_focus() on the next
|
||
* 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))) {
|
||
/* check if this workspace is currently visible */
|
||
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);
|
||
tree_close_internal(old, DONT_KILL_WINDOW, false);
|
||
|
||
const unsigned char *payload;
|
||
ylength length;
|
||
y(get_buf, &payload, &length);
|
||
ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, (const char *)payload);
|
||
|
||
y(free);
|
||
|
||
/* Avoid calling output_push_sticky_windows later with a freed container. */
|
||
if (old == old_focus) {
|
||
old_focus = NULL;
|
||
}
|
||
|
||
ewmh_update_desktop_properties();
|
||
}
|
||
}
|
||
|
||
workspace->fullscreen_mode = CF_OUTPUT;
|
||
LOG("focused now = %p / %s\n", focused, focused->name);
|
||
|
||
/* Set mouse pointer */
|
||
Con *new_output = con_get_output(focused);
|
||
if (old_output != new_output) {
|
||
x_set_warp_to(&next->rect);
|
||
}
|
||
|
||
/* Update the EWMH hints */
|
||
ewmh_update_current_desktop();
|
||
|
||
/* Push any sticky windows to the now visible workspace. */
|
||
output_push_sticky_windows(old_focus);
|
||
}
|
||
|
||
/*
|
||
* Looks up the workspace by name and switches to it.
|
||
*
|
||
*/
|
||
void workspace_show_by_name(const char *num) {
|
||
Con *workspace;
|
||
workspace = workspace_get(num, NULL);
|
||
workspace_show(workspace);
|
||
}
|
||
|
||
/*
|
||
* Focuses the next workspace.
|
||
*
|
||
*/
|
||
Con *workspace_next(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *next = NULL, *first = NULL, *first_opposite = NULL;
|
||
Con *output;
|
||
|
||
if (current->num == -1) {
|
||
/* If currently a named workspace, find next named workspace. */
|
||
if ((next = TAILQ_NEXT(current, nodes)) != NULL)
|
||
return 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 (!first)
|
||
first = child;
|
||
if (!first_opposite || (child->num != -1 && child->num < first_opposite->num))
|
||
first_opposite = child;
|
||
if (child == current) {
|
||
found_current = true;
|
||
} else if (child->num == -1 && found_current) {
|
||
next = child;
|
||
return next;
|
||
}
|
||
}
|
||
}
|
||
} 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 (!first || (child->num != -1 && child->num < first->num))
|
||
first = child;
|
||
if (!first_opposite && child->num == -1)
|
||
first_opposite = child;
|
||
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;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!next)
|
||
next = first_opposite ? first_opposite : first;
|
||
|
||
return next;
|
||
}
|
||
|
||
/*
|
||
* Focuses the previous workspace.
|
||
*
|
||
*/
|
||
Con *workspace_prev(void) {
|
||
Con *current = con_get_workspace(focused);
|
||
Con *prev = NULL, *first_opposite = NULL, *last = 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;
|
||
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 (!last)
|
||
last = child;
|
||
if (!first_opposite || (child->num != -1 && child->num > first_opposite->num))
|
||
first_opposite = child;
|
||
if (child == current) {
|
||
found_current = true;
|
||
} else if (child->num == -1 && found_current) {
|
||
prev = child;
|
||
return prev;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
} 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)
|
||
continue;
|
||
if (!last || (child->num != -1 && last->num < child->num))
|
||
last = child;
|
||
if (!first_opposite && child->num == -1)
|
||
first_opposite = child;
|
||
if (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;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!prev)
|
||
prev = first_opposite ? first_opposite : last;
|
||
|
||
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 = true;
|
||
} 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.\n");
|
||
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.\n");
|
||
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_workspace_event("urgent", ws, NULL);
|
||
}
|
||
|
||
/*
|
||
* '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;
|
||
|
||
/* 3: move the existing cons of this workspace below the new con */
|
||
Con **focus_order = get_focus_order(ws);
|
||
|
||
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);
|
||
}
|
||
|
||
set_focus_order(split, focus_order);
|
||
free(focus_order);
|
||
|
||
/* 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);
|
||
}
|
||
|
||
/*
|
||
* 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);
|
||
|
||
/* 5: fix the percentages */
|
||
con_fix_percent(ws);
|
||
|
||
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;
|
||
|
||
Con **focus_order = get_focus_order(ws);
|
||
|
||
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);
|
||
}
|
||
|
||
set_focus_order(new, focus_order);
|
||
free(focus_order);
|
||
|
||
con_attach(new, ws, true);
|
||
|
||
return new;
|
||
}
|
||
|
||
/*
|
||
* Move the given workspace to the specified output.
|
||
*/
|
||
void workspace_move_to_output(Con *ws, Output *output) {
|
||
DLOG("Moving workspace %p / %s to output %p / \"%s\".\n", ws, ws->name, output, output_primary_name(output));
|
||
|
||
Output *current_output = get_output_for_con(ws);
|
||
Con *content = output_get_content(output->con);
|
||
DLOG("got output %p with content %p\n", output, content);
|
||
|
||
if (ws->parent == content) {
|
||
DLOG("Nothing to do, workspace already there\n");
|
||
return;
|
||
}
|
||
|
||
Con *previously_visible_ws = TAILQ_FIRST(&(content->focus_head));
|
||
if (previously_visible_ws) {
|
||
DLOG("Previously visible workspace = %p / %s\n", previously_visible_ws, previously_visible_ws->name);
|
||
} else {
|
||
DLOG("No previously visible workspace on output.\n");
|
||
}
|
||
|
||
bool workspace_was_visible = workspace_is_visible(ws);
|
||
if (con_num_children(ws->parent) == 1) {
|
||
DLOG("Creating a new workspace to replace \"%s\" (last on its output).\n", ws->name);
|
||
|
||
/* check if we can find a workspace assigned to this output */
|
||
bool used_assignment = false;
|
||
struct Workspace_Assignment *assignment;
|
||
TAILQ_FOREACH (assignment, &ws_assignments, ws_assignments) {
|
||
bool attached;
|
||
int num;
|
||
if (!output_triggers_assignment(current_output, assignment)) {
|
||
continue;
|
||
}
|
||
/* check if this workspace's name or num is already attached to the tree */
|
||
num = ws_name_to_number(assignment->name);
|
||
attached = ((num == -1) ? get_existing_workspace_by_name(assignment->name) : get_existing_workspace_by_num(num)) != NULL;
|
||
if (attached) {
|
||
continue;
|
||
}
|
||
|
||
/* so create the workspace referenced to by this assignment */
|
||
DLOG("Creating workspace from assignment %s.\n", assignment->name);
|
||
workspace_get(assignment->name, NULL);
|
||
used_assignment = true;
|
||
break;
|
||
}
|
||
|
||
/* if we couldn't create the workspace using an assignment, create it on
|
||
* the output. Workspace init IPC events are sent either by
|
||
* workspace_get or create_workspace_on_output. */
|
||
if (!used_assignment) {
|
||
create_workspace_on_output(current_output, ws->parent);
|
||
}
|
||
}
|
||
DLOG("Detaching\n");
|
||
|
||
/* detach from the old output and attach to the new output */
|
||
Con *old_content = ws->parent;
|
||
con_detach(ws);
|
||
if (workspace_was_visible) {
|
||
/* The workspace which we just detached was visible, so focus the next
|
||
* one in the focus-stack. */
|
||
Con *focus_ws = TAILQ_FIRST(&(old_content->focus_head));
|
||
DLOG("workspace was visible, focusing %p / %s now\n", focus_ws, focus_ws->name);
|
||
workspace_show(focus_ws);
|
||
}
|
||
con_attach(ws, content, false);
|
||
|
||
/* fix the coordinates of the floating containers */
|
||
Con *floating_con;
|
||
TAILQ_FOREACH (floating_con, &(ws->floating_head), floating_windows) {
|
||
floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
|
||
}
|
||
|
||
ipc_send_workspace_event("move", ws, NULL);
|
||
if (workspace_was_visible) {
|
||
/* Focus the moved workspace on the destination output. */
|
||
workspace_show(ws);
|
||
}
|
||
|
||
ewmh_update_desktop_properties();
|
||
|
||
if (!previously_visible_ws) {
|
||
return;
|
||
}
|
||
|
||
/* NB: We cannot simply work with previously_visible_ws since it might have
|
||
* been cleaned up by workspace_show() already, depending on the focus
|
||
* order/number of other workspaces on the output. Instead, we loop through
|
||
* the available workspaces and only work with previously_visible_ws if we
|
||
* still find it. */
|
||
TAILQ_FOREACH (ws, &(content->nodes_head), nodes) {
|
||
if (ws != previously_visible_ws) {
|
||
continue;
|
||
}
|
||
|
||
/* Call the on_remove_child callback of the workspace which previously
|
||
* was visible on the destination output. Since it is no longer visible,
|
||
* it might need to get cleaned up. */
|
||
CALL(previously_visible_ws, on_remove_child);
|
||
break;
|
||
}
|
||
}
|