+++ /dev/null
-/* Copyright (c) 2012, Bastien Dejean
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "bspwm.h"
-#include "desktop.h"
-#include "ewmh.h"
-#include "history.h"
-#include "pointer.h"
-#include "monitor.h"
-#include "query.h"
-#include "stack.h"
-#include "tree.h"
-#include "settings.h"
-#include "restore.h"
-#include "window.h"
-#include "parse.h"
-
-bool restore_tree(const char *file_path)
-{
- size_t jslen;
- char *json = read_string(file_path, &jslen);
-
- if (json == NULL) {
- return false;
- }
-
- int nbtok = 256;
- jsmn_parser parser;
- jsmntok_t *tokens = malloc(nbtok * sizeof(jsmntok_t));
-
- if (tokens == NULL) {
- perror("Restore tree: malloc");
- free(json);
- return false;
- }
-
- jsmn_init(&parser);
- int ret;
-
- while ((ret = jsmn_parse(&parser, json, jslen, tokens, nbtok)) == JSMN_ERROR_NOMEM) {
- nbtok *= 2;
- jsmntok_t *rtokens = realloc(tokens, nbtok * sizeof(jsmntok_t));
- if (rtokens == NULL) {
- perror("Restore tree: realloc");
- free(tokens);
- free(json);
- return false;
- } else {
- tokens = rtokens;
- }
- }
-
- if (ret < 0) {
- warn("Restore tree: jsmn_parse: ");
- switch (ret) {
- case JSMN_ERROR_NOMEM:
- warn("not enough memory.\n");
- break;
- case JSMN_ERROR_INVAL:
- warn("found invalid character inside JSON string.\n");
- break;
- case JSMN_ERROR_PART:
- warn("not a full JSON packet.\n");
- break;
- default:
- warn("unknown error.\n");
- break;
- }
-
- free(tokens);
- free(json);
-
- return false;
- }
-
- int num = tokens[0].size;
-
- if (num < 1) {
- free(tokens);
- free(json);
-
- return false;
- }
-
- mon = NULL;
- while (mon_head != NULL) {
- remove_monitor(mon_head);
- }
-
- jsmntok_t *t = tokens + 1;
- uint32_t focused_monitor_id = 0, primary_monitor_id = 0;
-
- for (int i = 0; i < num; i++) {
- if (keyeq("focusedMonitorId", t, json)) {
- t++;
- sscanf(json + t->start, "%u", &focused_monitor_id);
- } else if (keyeq("primaryMonitorId", t, json)) {
- t++;
- sscanf(json + t->start, "%u", &primary_monitor_id);
- } else if (keyeq("clientsCount", t, json)) {
- t++;
- sscanf(json + t->start, "%u", &clients_count);
- } else if (keyeq("monitors", t, json)) {
- t++;
- int s = t->size;
- t++;
- for (int j = 0; j < s; j++) {
- monitor_t *m = restore_monitor(&t, json);
- if (m->desk == NULL) {
- add_desktop(m, make_desktop(NULL, XCB_NONE));
- }
- add_monitor(m);
- }
- continue;
- } else if (keyeq("focusHistory", t, json)) {
- t++;
- restore_history(&t, json);
- continue;
- } else if (keyeq("stackingList", t, json)) {
- t++;
- restore_stack(&t, json);
- continue;
- }
- t++;
- }
-
- if (focused_monitor_id != 0) {
- coordinates_t loc;
- if (monitor_from_id(focused_monitor_id, &loc)) {
- mon = loc.monitor;
- }
- }
-
- if (primary_monitor_id != 0) {
- coordinates_t loc;
- if (monitor_from_id(primary_monitor_id, &loc)) {
- pri_mon = loc.monitor;
- }
- }
-
- for (monitor_t *m = mon_head; m != NULL; m = m->next) {
- for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
- refresh_presel_feedbacks(m, d, d->root);
- restack_presel_feedbacks(d);
- for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
- if (n->client == NULL) {
- continue;
- }
- initialize_client(n);
- uint32_t values[] = {CLIENT_EVENT_MASK | (focus_follows_pointer ? XCB_EVENT_MASK_ENTER_WINDOW : 0)};
- xcb_change_window_attributes(dpy, n->id, XCB_CW_EVENT_MASK, values);
- window_grab_buttons(n->id);
- }
- }
- }
-
- ewmh_update_client_list(false);
- ewmh_update_client_list(true);
- ewmh_update_active_window();
- ewmh_update_number_of_desktops();
- ewmh_update_current_desktop();
- ewmh_update_desktop_names();
- ewmh_update_desktop_viewport();
-
- free(tokens);
- free(json);
-
- return true;
-}
-
-#define RESTORE_INT(k, p) \
- } else if (keyeq(#k, *t, json)) { \
- (*t)++; \
- sscanf(json + (*t)->start, "%i", p);
-
-#define RESTORE_UINT(k, p) \
- } else if (keyeq(#k, *t, json)) { \
- (*t)++; \
- sscanf(json + (*t)->start, "%u", p);
-
-#define RESTORE_USINT(k, p) \
- } else if (keyeq(#k, *t, json)) { \
- (*t)++; \
- sscanf(json + (*t)->start, "%hu", p);
-
-#define RESTORE_DOUBLE(k, p) \
- } else if (keyeq(#k, *t, json)) { \
- (*t)++; \
- sscanf(json + (*t)->start, "%lf", p);
-
-#define RESTORE_ANY(k, p, f) \
- } else if (keyeq(#k, *t, json)) { \
- (*t)++; \
- char *val = copy_string(json + (*t)->start, (*t)->end - (*t)->start); \
- f(val, p); \
- free(val);
-
-#define RESTORE_BOOL(k, p) RESTORE_ANY(k, p, parse_bool)
-
-monitor_t *restore_monitor(jsmntok_t **t, char *json)
-{
- int num = (*t)->size;
- (*t)++;
- monitor_t *m = make_monitor(NULL, NULL, UINT32_MAX);
- uint32_t focused_desktop_id = 0;
-
- for (int i = 0; i < num; i++) {
- if (keyeq("name", *t, json)) {
- (*t)++;
- snprintf(m->name, (*t)->end - (*t)->start + 1, "%s", json + (*t)->start);
- RESTORE_UINT(id, &m->id)
- RESTORE_UINT(randrId, &m->randr_id)
- RESTORE_BOOL(wired, &m->wired)
- RESTORE_UINT(stickyCount, &m->sticky_count)
- RESTORE_INT(windowGap, &m->window_gap)
- RESTORE_UINT(borderWidth, &m->border_width)
- RESTORE_UINT(focusedDesktopId, &focused_desktop_id)
- } else if (keyeq("padding", *t, json)) {
- (*t)++;
- restore_padding(&m->padding, t, json);
- continue;
- } else if (keyeq("rectangle", *t, json)) {
- (*t)++;
- restore_rectangle(&m->rectangle, t, json);
- update_root(m, &m->rectangle);
- continue;
- } else if (keyeq("desktops", *t, json)) {
- (*t)++;
- int s = (*t)->size;
- (*t)++;
- for (int j = 0; j < s; j++) {
- desktop_t *d = restore_desktop(t, json);
- add_desktop(m, d);
- }
- continue;
- } else {
- warn("Restore monitor: unknown key: '%.*s'.\n", (*t)->end - (*t)->start, json + (*t)->start);
- (*t)++;
- }
- (*t)++;
- }
-
- if (focused_desktop_id != 0) {
- for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
- if (d->id == focused_desktop_id) {
- m->desk = d;
- break;
- }
- }
- }
-
- return m;
-}
-
-desktop_t *restore_desktop(jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
- desktop_t *d = make_desktop(NULL, UINT32_MAX);
- xcb_window_t focusedNodeId = XCB_NONE;
-
- for (int i = 0; i < s; i++) {
- if (keyeq("name", *t, json)) {
- (*t)++;
- snprintf(d->name, (*t)->end - (*t)->start + 1, "%s", json + (*t)->start);
- RESTORE_UINT(id, &d->id)
- RESTORE_ANY(layout, &d->layout, parse_layout)
- RESTORE_INT(windowGap, &d->window_gap)
- RESTORE_UINT(borderWidth, &d->border_width)
- } else if (keyeq("focusedNodeId", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%u", &focusedNodeId);
- } else if (keyeq("padding", *t, json)) {
- (*t)++;
- restore_padding(&d->padding, t, json);
- continue;
- } else if (keyeq("root", *t, json)) {
- (*t)++;
- d->root = restore_node(t, json);
- continue;
- } else {
- warn("Restore desktop: unknown key: '%.*s'.\n", (*t)->end - (*t)->start, json + (*t)->start);
- (*t)++;
- }
- (*t)++;
- }
-
- if (focusedNodeId != XCB_NONE) {
- d->focus = find_by_id_in(d->root, focusedNodeId);
- }
-
- return d;
-}
-
-node_t *restore_node(jsmntok_t **t, char *json)
-{
- if ((*t)->type == JSMN_PRIMITIVE) {
- (*t)++;
- return NULL;
- } else {
- int s = (*t)->size;
- (*t)++;
- /* hack to prevent a new ID from being generated */
- node_t *n = make_node(UINT32_MAX);
-
- for (int i = 0; i < s; i++) {
- if (keyeq("id", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%u", &n->id);
- RESTORE_ANY(splitType, &n->split_type, parse_split_type)
- RESTORE_DOUBLE(splitRatio, &n->split_ratio)
- RESTORE_INT(birthRotation, &n->birth_rotation)
- RESTORE_BOOL(vacant, &n->vacant)
- RESTORE_BOOL(hidden, &n->hidden)
- RESTORE_BOOL(sticky, &n->sticky)
- RESTORE_BOOL(private, &n->private)
- RESTORE_BOOL(locked, &n->locked)
- } else if (keyeq("presel", *t, json)) {
- (*t)++;
- n->presel = restore_presel(t, json);
- continue;
- } else if (keyeq("rectangle", *t, json)) {
- (*t)++;
- restore_rectangle(&n->rectangle, t, json);
- continue;
- } else if (keyeq("firstChild", *t, json)) {
- (*t)++;
- node_t *fc = restore_node(t, json);
- n->first_child = fc;
- if (fc != NULL) {
- fc->parent = n;
- }
- continue;
- } else if (keyeq("secondChild", *t, json)) {
- (*t)++;
- node_t *sc = restore_node(t, json);
- n->second_child = sc;
- if (sc != NULL) {
- sc->parent = n;
- }
- continue;
- } else if (keyeq("client", *t, json)) {
- (*t)++;
- n->client = restore_client(t, json);
- continue;
- } else {
- warn("Restore node: unknown key: '%.*s'.\n", (*t)->end - (*t)->start, json + (*t)->start);
- (*t)++;
- }
- (*t)++;
- }
-
- return n;
- }
-}
-
-presel_t *restore_presel(jsmntok_t **t, char *json)
-{
- if ((*t)->type == JSMN_PRIMITIVE) {
- (*t)++;
- return NULL;
- } else {
- int s = (*t)->size;
- (*t)++;
- presel_t *p = make_presel();
-
- for (int i = 0; i < s; i++) {
- if (keyeq("splitRatio", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%lf", &p->split_ratio);
- RESTORE_ANY(splitDir, &p->split_dir, parse_direction)
- }
-
- (*t)++;
- }
-
- return p;
- }
-}
-
-
-client_t *restore_client(jsmntok_t **t, char *json)
-{
- if ((*t)->type == JSMN_PRIMITIVE) {
- (*t)++;
- return NULL;
- } else {
- int s = (*t)->size;
- (*t)++;
- client_t *c = make_client();
-
- for (int i = 0; i < s; i++) {
- if (keyeq("className", *t, json)) {
- (*t)++;
- snprintf(c->class_name, (*t)->end - (*t)->start + 1, "%s", json + (*t)->start);
- } else if (keyeq("instanceName", *t, json)) {
- (*t)++;
- snprintf(c->instance_name, (*t)->end - (*t)->start + 1, "%s", json + (*t)->start);
- RESTORE_ANY(state, &c->state, parse_client_state)
- RESTORE_ANY(lastState, &c->last_state, parse_client_state)
- RESTORE_ANY(layer, &c->layer, parse_stack_layer)
- RESTORE_ANY(lastLayer, &c->last_layer, parse_stack_layer)
- RESTORE_UINT(borderWidth, &c->border_width)
- RESTORE_BOOL(urgent, &c->urgent)
- RESTORE_BOOL(shown, &c->shown)
- } else if (keyeq("tiledRectangle", *t, json)) {
- (*t)++;
- restore_rectangle(&c->tiled_rectangle, t, json);
- continue;
- } else if (keyeq("floatingRectangle", *t, json)) {
- (*t)++;
- restore_rectangle(&c->floating_rectangle, t, json);
- continue;
- } else {
- warn("Restore client: unknown key: '%.*s'.\n", (*t)->end - (*t)->start, json + (*t)->start);
- (*t)++;
- }
-
- (*t)++;
- }
-
- return c;
- }
-}
-
-void restore_rectangle(xcb_rectangle_t *r, jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
-
- for (int i = 0; i < s; i++) {
- if (keyeq("x", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%hi", &r->x);
- } else if (keyeq("y", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%hi", &r->y);
- } else if (keyeq("width", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%hu", &r->width);
- } else if (keyeq("height", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%hu", &r->height);
- }
- (*t)++;
- }
-}
-
-void restore_padding(padding_t *p, jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
-
- for (int i = 0; i < s; i++) {
- if (keyeq("top", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%i", &p->top);
- } else if (keyeq("right", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%i", &p->right);
- } else if (keyeq("bottom", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%i", &p->bottom);
- } else if (keyeq("left", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%i", &p->left);
- }
- (*t)++;
- }
-}
-
-void restore_history(jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
-
- for (int i = 0; i < s; i++) {
- coordinates_t loc = {NULL, NULL, NULL};
- restore_coordinates(&loc, t, json);
- if (loc.monitor != NULL && loc.desktop != NULL) {
- history_add(loc.monitor, loc.desktop, loc.node);
- }
- }
-}
-
-void restore_coordinates(coordinates_t *loc, jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
- uint32_t id = 0;
-
- for (int i = 0; i < s; i++) {
- if (keyeq("monitorId", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%u", &id);
- loc->monitor = find_monitor(id);
- } else if (keyeq("desktopId", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%u", &id);
- loc->desktop = find_desktop_in(id, loc->monitor);
- } else if (keyeq("nodeId", *t, json)) {
- (*t)++;
- sscanf(json + (*t)->start, "%u", &id);
- loc->node = find_by_id_in(loc->desktop != NULL ? loc->desktop->root : NULL, id);
- }
- (*t)++;
- }
-}
-
-void restore_stack(jsmntok_t **t, char *json)
-{
- int s = (*t)->size;
- (*t)++;
-
- for (int i = 0; i < s; i++) {
- uint32_t id;
- sscanf(json + (*t)->start, "%u", &id);
- coordinates_t loc;
- if (locate_window(id, &loc)) {
- stack_insert_after(stack_tail, loc.node);
- }
- (*t)++;
- }
-}
-
-#undef RESTORE_INT
-#undef RESTORE_UINT
-#undef RESTORE_USINT
-#undef RESTORE_DOUBLE
-#undef RESTORE_ANY
-#undef RESTORE_BOOL
-
-bool keyeq(char *s, jsmntok_t *key, char *json)
-{
- size_t n = key->end - key->start;
- return (strlen(s) == n && strncmp(s, json + key->start, n) == 0);
-}
projects / bspwm.git / blobdiff