a7e1a0eea9
`workspace_next_name` parses workspace commands to find the default workspace names. It handled " " as a separator, which prevents the use of workspace names with spaces.
375 lines
11 KiB
C
375 lines
11 KiB
C
#define _XOPEN_SOURCE 500
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#include <stdlib.h>
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#include <stdbool.h>
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#include <limits.h>
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#include <ctype.h>
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#include <wlc/wlc.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/types.h>
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#include "sway/ipc-server.h"
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#include "sway/extensions.h"
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#include "sway/workspace.h"
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#include "sway/layout.h"
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#include "sway/container.h"
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#include "sway/handlers.h"
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#include "sway/config.h"
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#include "sway/focus.h"
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#include "stringop.h"
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#include "util.h"
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#include "list.h"
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#include "log.h"
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#include "ipc.h"
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char *prev_workspace_name = NULL;
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struct workspace_by_number_data {
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int len;
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const char *cset;
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const char *name;
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};
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static bool workspace_valid_on_output(const char *output_name, const char *ws_name) {
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int i;
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for (i = 0; i < config->workspace_outputs->length; ++i) {
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struct workspace_output *wso = config->workspace_outputs->items[i];
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if (strcasecmp(wso->workspace, ws_name) == 0) {
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if (strcasecmp(wso->output, output_name) != 0) {
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return false;
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}
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}
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}
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return true;
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}
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char *workspace_next_name(const char *output_name) {
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sway_log(L_DEBUG, "Workspace: Generating new workspace name for output %s", output_name);
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int i;
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int l = 1;
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// Scan all workspace bindings to find the next available workspace name,
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// if none are found/available then default to a number
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struct sway_mode *mode = config->current_mode;
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int order = INT_MAX;
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char *target = NULL;
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for (i = 0; i < mode->bindings->length; ++i) {
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struct sway_binding *binding = mode->bindings->items[i];
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char *cmdlist = strdup(binding->command);
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char *dup = cmdlist;
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char *name = NULL;
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// workspace n
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char *cmd = argsep(&cmdlist, " ");
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if (cmdlist) {
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name = argsep(&cmdlist, ",;");
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}
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if (strcmp("workspace", cmd) == 0 && name) {
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sway_log(L_DEBUG, "Got valid workspace command for target: '%s'", name);
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char *_target = strdup(name);
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strip_quotes(_target);
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while (isspace(*_target))
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_target++;
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// Make sure that the command references an actual workspace
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// not a command about workspaces
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if (strcmp(_target, "next") == 0 ||
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strcmp(_target, "prev") == 0 ||
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strcmp(_target, "next_on_output") == 0 ||
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strcmp(_target, "prev_on_output") == 0 ||
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strcmp(_target, "number") == 0 ||
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strcmp(_target, "back_and_forth") == 0 ||
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strcmp(_target, "current") == 0)
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{
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free(_target);
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free(dup);
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continue;
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}
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// Make sure that the workspace doesn't already exist
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if (workspace_by_name(_target)) {
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free(_target);
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free(dup);
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continue;
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}
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// make sure that the workspace can appear on the given
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// output
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if (!workspace_valid_on_output(output_name, _target)) {
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free(_target);
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free(dup);
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continue;
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}
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if (binding->order < order) {
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order = binding->order;
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free(target);
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target = _target;
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sway_log(L_DEBUG, "Workspace: Found free name %s", _target);
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}
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}
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free(dup);
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}
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if (target != NULL) {
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return target;
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}
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// As a fall back, get the current number of active workspaces
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// and return that + 1 for the next workspace's name
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int ws_num = root_container.children->length;
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if (ws_num >= 10) {
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l = 2;
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} else if (ws_num >= 100) {
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l = 3;
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}
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char *name = malloc(l + 1);
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if (!name) {
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sway_log(L_ERROR, "Could not allocate workspace name");
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return NULL;
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}
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sprintf(name, "%d", ws_num++);
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return name;
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}
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swayc_t *workspace_create(const char* name) {
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swayc_t *parent;
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// Search for workspace<->output pair
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int i, e = config->workspace_outputs->length;
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for (i = 0; i < e; ++i) {
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struct workspace_output *wso = config->workspace_outputs->items[i];
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if (strcasecmp(wso->workspace, name) == 0)
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{
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// Find output to use if it exists
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e = root_container.children->length;
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for (i = 0; i < e; ++i) {
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parent = root_container.children->items[i];
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if (strcmp(parent->name, wso->output) == 0) {
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return new_workspace(parent, name);
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}
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}
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break;
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}
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}
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// Otherwise create a new one
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parent = get_focused_container(&root_container);
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parent = swayc_parent_by_type(parent, C_OUTPUT);
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return new_workspace(parent, name);
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}
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static bool _workspace_by_name(swayc_t *view, void *data) {
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return (view->type == C_WORKSPACE) &&
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(strcasecmp(view->name, (char *) data) == 0);
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}
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swayc_t *workspace_by_name(const char* name) {
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if (strcmp(name, "prev") == 0) {
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return workspace_prev();
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}
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else if (strcmp(name, "prev_on_output") == 0) {
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return workspace_output_prev();
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}
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else if (strcmp(name, "next") == 0) {
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return workspace_next();
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}
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else if (strcmp(name, "next_on_output") == 0) {
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return workspace_output_next();
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}
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else if (strcmp(name, "current") == 0) {
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return swayc_active_workspace();
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}
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else {
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return swayc_by_test(&root_container, _workspace_by_name, (void *) name);
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}
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}
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static bool _workspace_by_number(swayc_t *view, void *data) {
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if (view->type != C_WORKSPACE) {
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return false;
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}
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struct workspace_by_number_data *wbnd = data;
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int a = strspn(view->name, wbnd->cset);
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return a == wbnd->len && strncmp(view->name, wbnd->name, a) == 0;
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}
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swayc_t *workspace_by_number(const char* name) {
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struct workspace_by_number_data wbnd = {0, "1234567890", name};
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wbnd.len = strspn(name, wbnd.cset);
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if (wbnd.len <= 0) {
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return NULL;
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}
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return swayc_by_test(&root_container, _workspace_by_number, (void *) &wbnd);
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}
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/**
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* Get the previous or next workspace on the specified output.
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* Wraps around at the end and beginning.
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* If next is false, the previous workspace is returned, otherwise the next one is returned.
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*/
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swayc_t *workspace_output_prev_next_impl(swayc_t *output, bool next) {
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if (!sway_assert(output->type == C_OUTPUT, "Argument must be an output, is %d", output->type)) {
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return NULL;
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}
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int i;
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for (i = 0; i < output->children->length; i++) {
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if (output->children->items[i] == output->focused) {
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return output->children->items[wrap(i + (next ? 1 : -1), output->children->length)];
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}
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}
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// Doesn't happen, at worst the for loop returns the previously active workspace
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return NULL;
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}
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/**
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* Get the previous or next workspace. If the first/last workspace on an output is active,
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* proceed to the previous/next output's previous/next workspace.
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* If next is false, the previous workspace is returned, otherwise the next one is returned.
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*/
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swayc_t *workspace_prev_next_impl(swayc_t *workspace, bool next) {
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if (!sway_assert(workspace->type == C_WORKSPACE, "Argument must be a workspace, is %d", workspace->type)) {
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return NULL;
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}
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swayc_t *current_output = workspace->parent;
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int offset = next ? 1 : -1;
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int start = next ? 0 : 1;
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int end = next ? (current_output->children->length) - 1 : current_output->children->length;
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int i;
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for (i = start; i < end; i++) {
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if (current_output->children->items[i] == workspace) {
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return current_output->children->items[i + offset];
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}
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}
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// Given workspace is the first/last on the output, jump to the previous/next output
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int num_outputs = root_container.children->length;
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for (i = 0; i < num_outputs; i++) {
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if (root_container.children->items[i] == current_output) {
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swayc_t *next_output = root_container.children->items[wrap(i + offset, num_outputs)];
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return workspace_output_prev_next_impl(next_output, next);
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}
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}
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// Doesn't happen, at worst the for loop returns the previously active workspace on the active output
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return NULL;
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}
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swayc_t *workspace_output_next() {
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return workspace_output_prev_next_impl(swayc_active_output(), true);
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}
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swayc_t *workspace_next() {
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return workspace_prev_next_impl(swayc_active_workspace(), true);
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}
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swayc_t *workspace_output_prev() {
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return workspace_output_prev_next_impl(swayc_active_output(), false);
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}
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swayc_t *workspace_prev() {
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return workspace_prev_next_impl(swayc_active_workspace(), false);
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}
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bool workspace_switch(swayc_t *workspace) {
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if (!workspace) {
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return false;
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}
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swayc_t *active_ws = swayc_active_workspace();
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if (config->auto_back_and_forth && active_ws == workspace && prev_workspace_name) {
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swayc_t *new_ws = workspace_by_name(prev_workspace_name);
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workspace = new_ws ? new_ws : workspace_create(prev_workspace_name);
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}
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if (!prev_workspace_name
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|| (strcmp(prev_workspace_name, active_ws->name)
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&& active_ws != workspace)) {
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free(prev_workspace_name);
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prev_workspace_name = malloc(strlen(active_ws->name) + 1);
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if (!prev_workspace_name) {
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sway_log(L_ERROR, "Unable to allocate previous workspace name");
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return false;
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}
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strcpy(prev_workspace_name, active_ws->name);
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}
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// move sticky containers
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if (swayc_parent_by_type(active_ws, C_OUTPUT) == swayc_parent_by_type(workspace, C_OUTPUT)) {
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// don't change list while traversing it, use intermediate list instead
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list_t *stickies = create_list();
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for (int i = 0; i < active_ws->floating->length; i++) {
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swayc_t *cont = active_ws->floating->items[i];
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if (cont->sticky) {
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list_add(stickies, cont);
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}
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}
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for (int i = 0; i < stickies->length; i++) {
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swayc_t *cont = stickies->items[i];
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sway_log(L_DEBUG, "Moving sticky container %p to %p:%s",
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cont, workspace, workspace->name);
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swayc_t *parent = remove_child(cont);
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add_floating(workspace, cont);
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// Destroy old container if we need to
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destroy_container(parent);
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}
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list_free(stickies);
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}
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sway_log(L_DEBUG, "Switching to workspace %p:%s", workspace, workspace->name);
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if (!set_focused_container(get_focused_view(workspace))) {
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return false;
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}
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swayc_t *output = swayc_parent_by_type(workspace, C_OUTPUT);
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arrange_backgrounds();
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arrange_windows(output, -1, -1);
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return true;
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}
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swayc_t *workspace_for_pid(pid_t pid) {
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int i;
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swayc_t *ws = NULL;
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struct pid_workspace *pw = NULL;
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sway_log(L_DEBUG, "looking for workspace for pid %d", pid);
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// leaving this here as it's useful for debugging
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// sway_log(L_DEBUG, "all pid_workspaces");
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// for (int k = 0; k < config->pid_workspaces->length; k++) {
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// pw = config->pid_workspaces->items[k];
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// sway_log(L_DEBUG, "pid %d workspace %s time_added %li", *pw->pid, pw->workspace, *pw->time_added);
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// }
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do {
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for (i = 0; i < config->pid_workspaces->length; i++) {
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pw = config->pid_workspaces->items[i];
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pid_t *pw_pid = pw->pid;
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if (pid == *pw_pid) {
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sway_log(L_DEBUG, "found pid_workspace for pid %d, workspace %s", pid, pw->workspace);
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break; // out of for loop
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}
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pw = NULL;
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}
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if (pw) {
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break; // out of do-while loop
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}
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pid = get_parent_pid(pid);
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// no sense in looking for matches for pid 0.
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// also, if pid == getpid(), that is the compositor's
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// pid, which definitely isn't helpful
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} while (pid > 0 && pid != getpid());
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if (pw) {
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ws = workspace_by_name(pw->workspace);
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if (!ws) {
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sway_log(L_DEBUG, "Creating workspace %s for pid %d because it disappeared", pw->workspace, pid);
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ws = workspace_create(pw->workspace);
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}
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list_del(config->pid_workspaces, i);
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}
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return ws;
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}
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