527 lines
17 KiB
C
527 lines
17 KiB
C
// SPDX-License-Identifier: MIT
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// Copyright (c) 2012-2014 Richard Grenville <pyxlcy@gmail.com>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <basedir_fs.h>
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#include <libconfig.h>
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#include <libgen.h>
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#include "common.h"
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#include "compiler.h"
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#include "config.h"
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#include "err.h"
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#include "log.h"
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#include "options.h"
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#include "string_utils.h"
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#include "utils.h"
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#include "win.h"
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#pragma GCC diagnostic error "-Wunused-parameter"
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/**
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* Wrapper of libconfig's <code>config_lookup_int</code>.
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*
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* So it takes a pointer to bool.
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*/
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static inline int lcfg_lookup_bool(const config_t *config, const char *path, bool *value) {
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int ival;
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int ret = config_lookup_bool(config, path, &ival);
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if (ret)
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*value = ival;
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return ret;
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}
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/// Search for config file under a base directory
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FILE *open_config_file_at(const char *base, char **out_path) {
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static const char *config_paths[] = {"/compton.conf", "/compton/compton.conf"};
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for (size_t i = 0; i < ARR_SIZE(config_paths); i++) {
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char *path = mstrjoin(base, config_paths[i]);
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FILE *ret = fopen(path, "r");
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if (ret && out_path) {
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*out_path = path;
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} else {
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free(path);
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}
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if (ret) {
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return ret;
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}
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}
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return NULL;
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}
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/**
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* Get a file stream of the configuration file to read.
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*
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* Follows the XDG specification to search for the configuration file.
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*/
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FILE *open_config_file(const char *cpath, char **ppath) {
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static const char config_filename_legacy[] = "/.compton.conf";
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if (cpath) {
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FILE *ret = fopen(cpath, "r");
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if (ret && ppath)
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*ppath = strdup(cpath);
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return ret;
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}
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// First search for config file in user config directory
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auto config_home = xdgConfigHome(NULL);
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auto ret = open_config_file_at(config_home, ppath);
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free((void *)config_home);
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if (ret) {
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return ret;
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}
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// Fall back to legacy config file in user home directory
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const char *home = getenv("HOME");
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if (home && strlen(home)) {
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auto path = mstrjoin(home, config_filename_legacy);
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ret = fopen(path, "r");
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if (ret && ppath) {
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*ppath = path;
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} else {
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free(path);
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}
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if (ret) {
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return ret;
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}
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}
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// Fall back to config file in system config directory
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auto config_dirs = xdgConfigDirectories(NULL);
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for (int i = 0; config_dirs[i]; i++) {
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ret = open_config_file_at(config_dirs[i], ppath);
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if (ret) {
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free((void *)config_dirs);
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return ret;
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}
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}
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free((void *)config_dirs);
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return NULL;
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}
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/**
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* Parse a condition list in configuration file.
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*/
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void parse_cfg_condlst(const config_t *pcfg, c2_lptr_t **pcondlst, const char *name) {
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config_setting_t *setting = config_lookup(pcfg, name);
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if (setting) {
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// Parse an array of options
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if (config_setting_is_array(setting)) {
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int i = config_setting_length(setting);
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while (i--)
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condlst_add(pcondlst,
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config_setting_get_string_elem(setting, i));
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}
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// Treat it as a single pattern if it's a string
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else if (CONFIG_TYPE_STRING == config_setting_type(setting)) {
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condlst_add(pcondlst, config_setting_get_string(setting));
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}
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}
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}
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/**
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* Parse an opacity rule list in configuration file.
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*/
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static inline void
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parse_cfg_condlst_opct(options_t *opt, const config_t *pcfg, const char *name) {
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config_setting_t *setting = config_lookup(pcfg, name);
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if (setting) {
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// Parse an array of options
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if (config_setting_is_array(setting)) {
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int i = config_setting_length(setting);
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while (i--)
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if (!parse_rule_opacity(
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&opt->opacity_rules,
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config_setting_get_string_elem(setting, i)))
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exit(1);
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}
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// Treat it as a single pattern if it's a string
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else if (config_setting_type(setting) == CONFIG_TYPE_STRING) {
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if (!parse_rule_opacity(&opt->opacity_rules,
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config_setting_get_string(setting)))
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exit(1);
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}
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}
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}
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/**
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* Parse a configuration file from default location.
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*
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* Returns the actually config_file name
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*/
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char *parse_config_libconfig(options_t *opt, const char *config_file, bool *shadow_enable,
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bool *fading_enable, bool *conv_kern_hasneg,
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win_option_mask_t *winopt_mask) {
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char *path = NULL;
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FILE *f;
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config_t cfg;
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int ival = 0;
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bool bval;
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double dval = 0.0;
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// libconfig manages string memory itself, so no need to manually free
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// anything
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const char *sval = NULL;
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f = open_config_file(config_file, &path);
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if (!f) {
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free(path);
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if (config_file) {
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log_fatal("Failed to read configuration file \"%s\".", config_file);
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return ERR_PTR(-1);
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}
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return NULL;
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}
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config_init(&cfg);
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{
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// dirname() could modify the original string, thus we must pass a
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// copy
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char *path2 = strdup(path);
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char *parent = dirname(path2);
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if (parent)
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config_set_include_dir(&cfg, parent);
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free(path2);
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}
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{
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int read_result = config_read(&cfg, f);
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fclose(f);
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f = NULL;
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if (read_result == CONFIG_FALSE) {
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log_fatal("Error when reading configuration file \"%s\", line "
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"%d: %s",
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path, config_error_line(&cfg), config_error_text(&cfg));
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goto err;
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}
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}
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config_set_auto_convert(&cfg, 1);
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// Get options from the configuration file. We don't do range checking
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// right now. It will be done later
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// -D (fade_delta)
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if (config_lookup_int(&cfg, "fade-delta", &ival))
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opt->fade_delta = ival;
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// -I (fade_in_step)
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if (config_lookup_float(&cfg, "fade-in-step", &dval))
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opt->fade_in_step = normalize_d(dval);
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// -O (fade_out_step)
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if (config_lookup_float(&cfg, "fade-out-step", &dval))
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opt->fade_out_step = normalize_d(dval);
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// -r (shadow_radius)
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config_lookup_int(&cfg, "shadow-radius", &opt->shadow_radius);
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// -o (shadow_opacity)
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config_lookup_float(&cfg, "shadow-opacity", &opt->shadow_opacity);
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// -l (shadow_offset_x)
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config_lookup_int(&cfg, "shadow-offset-x", &opt->shadow_offset_x);
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// -t (shadow_offset_y)
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config_lookup_int(&cfg, "shadow-offset-y", &opt->shadow_offset_y);
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// -i (inactive_opacity)
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if (config_lookup_float(&cfg, "inactive-opacity", &dval))
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opt->inactive_opacity = normalize_d(dval);
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// --active_opacity
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if (config_lookup_float(&cfg, "active-opacity", &dval))
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opt->active_opacity = normalize_d(dval);
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// -e (frame_opacity)
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config_lookup_float(&cfg, "frame-opacity", &opt->frame_opacity);
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// -c (shadow_enable)
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if (config_lookup_bool(&cfg, "shadow", &ival))
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*shadow_enable = ival;
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// -C (no_dock_shadow)
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if (config_lookup_bool(&cfg, "no-dock-shadow", &ival)) {
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log_warn("Option `no-dock-shadow` is deprecated, and will be removed."
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" Please use the wintype option `shadow` of `dock` instead.");
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opt->wintype_option[WINTYPE_DOCK].shadow = false;
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winopt_mask[WINTYPE_DOCK].shadow = true;
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}
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// -G (no_dnd_shadow)
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if (config_lookup_bool(&cfg, "no-dnd-shadow", &ival)) {
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log_warn("Option `no-dnd-shadow` is deprecated, and will be removed."
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" Please use the wintype option `shadow` of `dnd` instead.");
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opt->wintype_option[WINTYPE_DND].shadow = false;
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winopt_mask[WINTYPE_DND].shadow = true;
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};
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// -m (menu_opacity)
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if (config_lookup_float(&cfg, "menu-opacity", &dval)) {
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log_warn("Option `menu-opacity` is deprecated, and will be "
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"removed.Please use the "
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"wintype option `opacity` of `popup_menu` and `dropdown_menu` "
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"instead.");
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opt->wintype_option[WINTYPE_DROPDOWN_MENU].opacity = dval;
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opt->wintype_option[WINTYPE_POPUP_MENU].opacity = dval;
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winopt_mask[WINTYPE_DROPDOWN_MENU].opacity = true;
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winopt_mask[WINTYPE_POPUP_MENU].opacity = true;
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}
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// -f (fading_enable)
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if (config_lookup_bool(&cfg, "fading", &ival))
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*fading_enable = ival;
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// --no-fading-open-close
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lcfg_lookup_bool(&cfg, "no-fading-openclose", &opt->no_fading_openclose);
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// --no-fading-destroyed-argb
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lcfg_lookup_bool(&cfg, "no-fading-destroyed-argb", &opt->no_fading_destroyed_argb);
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// --shadow-red
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config_lookup_float(&cfg, "shadow-red", &opt->shadow_red);
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// --shadow-green
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config_lookup_float(&cfg, "shadow-green", &opt->shadow_green);
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// --shadow-blue
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config_lookup_float(&cfg, "shadow-blue", &opt->shadow_blue);
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// --shadow-exclude-reg
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if (config_lookup_string(&cfg, "shadow-exclude-reg", &sval))
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opt->shadow_exclude_reg_str = strdup(sval);
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// --inactive-opacity-override
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lcfg_lookup_bool(&cfg, "inactive-opacity-override", &opt->inactive_opacity_override);
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// --inactive-dim
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config_lookup_float(&cfg, "inactive-dim", &opt->inactive_dim);
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// --mark-wmwin-focused
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lcfg_lookup_bool(&cfg, "mark-wmwin-focused", &opt->mark_wmwin_focused);
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// --mark-ovredir-focused
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lcfg_lookup_bool(&cfg, "mark-ovredir-focused", &opt->mark_ovredir_focused);
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// --shadow-ignore-shaped
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lcfg_lookup_bool(&cfg, "shadow-ignore-shaped", &opt->shadow_ignore_shaped);
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// --detect-rounded-corners
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lcfg_lookup_bool(&cfg, "detect-rounded-corners", &opt->detect_rounded_corners);
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// --xinerama-shadow-crop
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lcfg_lookup_bool(&cfg, "xinerama-shadow-crop", &opt->xinerama_shadow_crop);
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// --detect-client-opacity
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lcfg_lookup_bool(&cfg, "detect-client-opacity", &opt->detect_client_opacity);
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// --refresh-rate
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if (config_lookup_int(&cfg, "refresh-rate", &opt->refresh_rate)) {
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if (opt->refresh_rate < 0) {
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log_warn("Invalid refresh rate %d, fallback to 0", opt->refresh_rate);
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opt->refresh_rate = 0;
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}
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}
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// --vsync
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if (config_lookup_string(&cfg, "vsync", &sval)) {
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opt->vsync = parse_vsync(sval);
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log_warn("vsync option will take a boolean from now on. \"%s\" is "
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"interpreted as \"%s\" for compatibility, but this will stop "
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"working soon",
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sval, opt->vsync ? "true" : "false");
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}
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lcfg_lookup_bool(&cfg, "vsync", &opt->vsync);
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// --backend
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if (config_lookup_string(&cfg, "backend", &sval)) {
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opt->backend = parse_backend(sval);
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if (opt->backend >= NUM_BKEND) {
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log_fatal("Cannot parse backend");
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goto err;
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}
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}
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// --log-level
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if (config_lookup_string(&cfg, "log-level", &sval)) {
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auto level = string_to_log_level(sval);
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if (level == LOG_LEVEL_INVALID) {
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log_warn("Invalid log level, defaults to WARN");
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} else {
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log_set_level_tls(level);
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}
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}
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// --log-file
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if (config_lookup_string(&cfg, "log-file", &sval)) {
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if (*sval != '/') {
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log_warn("The log-file in your configuration file is not an "
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"absolute path");
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}
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opt->logpath = strdup(sval);
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}
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// --sw-opti
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lcfg_lookup_bool(&cfg, "sw-opti", &opt->sw_opti);
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// --use-ewmh-active-win
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lcfg_lookup_bool(&cfg, "use-ewmh-active-win", &opt->use_ewmh_active_win);
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// --unredir-if-possible
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lcfg_lookup_bool(&cfg, "unredir-if-possible", &opt->unredir_if_possible);
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// --unredir-if-possible-delay
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if (config_lookup_int(&cfg, "unredir-if-possible-delay", &ival)) {
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if (ival < 0) {
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log_warn("Invalid unredir-if-possible-delay %d", ival);
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} else {
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opt->unredir_if_possible_delay = ival;
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}
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}
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// --inactive-dim-fixed
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lcfg_lookup_bool(&cfg, "inactive-dim-fixed", &opt->inactive_dim_fixed);
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// --detect-transient
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lcfg_lookup_bool(&cfg, "detect-transient", &opt->detect_transient);
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// --detect-client-leader
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lcfg_lookup_bool(&cfg, "detect-client-leader", &opt->detect_client_leader);
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// --shadow-exclude
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parse_cfg_condlst(&cfg, &opt->shadow_blacklist, "shadow-exclude");
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// --fade-exclude
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parse_cfg_condlst(&cfg, &opt->fade_blacklist, "fade-exclude");
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// --focus-exclude
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parse_cfg_condlst(&cfg, &opt->focus_blacklist, "focus-exclude");
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// --invert-color-include
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parse_cfg_condlst(&cfg, &opt->invert_color_list, "invert-color-include");
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// --blur-background-exclude
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parse_cfg_condlst(&cfg, &opt->blur_background_blacklist, "blur-background-exclude");
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// --opacity-rule
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parse_cfg_condlst_opct(opt, &cfg, "opacity-rule");
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// --unredir-if-possible-exclude
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parse_cfg_condlst(&cfg, &opt->unredir_if_possible_blacklist,
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"unredir-if-possible-exclude");
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// --blur-background
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if (config_lookup_bool(&cfg, "blur-background", &ival) && ival) {
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opt->blur_method = BLUR_METHOD_KERNEL;
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}
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// --blur-background-frame
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lcfg_lookup_bool(&cfg, "blur-background-frame", &opt->blur_background_frame);
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// --blur-background-fixed
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lcfg_lookup_bool(&cfg, "blur-background-fixed", &opt->blur_background_fixed);
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// --blur-kern
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if (config_lookup_string(&cfg, "blur-kern", &sval) &&
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!parse_blur_kern_lst(sval, opt->blur_kerns, MAX_BLUR_PASS, conv_kern_hasneg)) {
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log_fatal("Cannot parse \"blur-kern\"");
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goto err;
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}
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// --resize-damage
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config_lookup_int(&cfg, "resize-damage", &opt->resize_damage);
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// --glx-no-stencil
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lcfg_lookup_bool(&cfg, "glx-no-stencil", &opt->glx_no_stencil);
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// --glx-no-rebind-pixmap
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lcfg_lookup_bool(&cfg, "glx-no-rebind-pixmap", &opt->glx_no_rebind_pixmap);
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// --glx-swap-method
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if (config_lookup_string(&cfg, "glx-swap-method", &sval)) {
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char *endptr;
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long val = strtol(sval, &endptr, 10);
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if (*endptr || !(*sval)) {
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// sval is not a number, or an empty string
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val = -1;
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}
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if (strcmp(sval, "undefined") != 0 && val != 0) {
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// If not undefined, we will use damage and buffer-age to limit
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// the rendering area.
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opt->use_damage = true;
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}
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log_warn("glx-swap-method has been deprecated since v6, your setting "
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"\"%s\" should be %s.",
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sval,
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opt->use_damage ? "replaced by `use-damage = true`" : "removed");
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}
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// --use-damage
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lcfg_lookup_bool(&cfg, "use-damage", &opt->use_damage);
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// --glx-use-gpushader4
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if (config_lookup_bool(&cfg, "glx-use-gpushader4", &ival) && ival) {
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log_warn("glx-use-gpushader4 is deprecated since v6, please remove it "
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"from"
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"your config file");
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}
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// --xrender-sync
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if (config_lookup_bool(&cfg, "xrender-sync", &ival) && ival) {
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log_warn("Please use xrender-sync-fence instead of xrender-sync.");
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opt->xrender_sync_fence = true;
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}
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// --xrender-sync-fence
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lcfg_lookup_bool(&cfg, "xrender-sync-fence", &opt->xrender_sync_fence);
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if (lcfg_lookup_bool(&cfg, "clear-shadow", &bval))
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log_warn("\"clear-shadow\" is removed as an option, and is always"
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" enabled now. Consider removing it from your config file");
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if (lcfg_lookup_bool(&cfg, "paint-on-overlay", &bval))
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log_warn("\"paint-on-overlay\" has been removed as an option, and "
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"is enabled whenever possible");
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if (config_lookup_float(&cfg, "alpha-step", &dval))
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log_warn("\"alpha-step\" has been removed, compton now tries to make use"
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" of all alpha values");
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const char *deprecation_message =
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"has been removed. If you encounter problems "
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"without this feature, please feel free to open a bug report";
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if (lcfg_lookup_bool(&cfg, "glx-use-copysubbuffermesa", &bval) && bval) {
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log_error("\"glx-use-copysubbuffermesa\" %s", deprecation_message);
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return ERR_PTR(-1);
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}
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if (lcfg_lookup_bool(&cfg, "glx-copy-from-front", &bval) && bval) {
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log_error("\"glx-copy-from-front\" %s", deprecation_message);
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return ERR_PTR(-1);
|
|
}
|
|
|
|
config_setting_t *blur_cfg = config_lookup(&cfg, "blur");
|
|
// This is not a loop
|
|
if (blur_cfg) {
|
|
if (config_setting_lookup_string(blur_cfg, "method", &sval)) {
|
|
enum blur_method method = parse_blur_method(sval);
|
|
if (method >= BLUR_METHOD_INVALID) {
|
|
log_warn("Invalid blur method %s, ignoring.", sval);
|
|
} else {
|
|
opt->blur_method = method;
|
|
}
|
|
}
|
|
|
|
opt->blur_radius = -1;
|
|
config_setting_lookup_int(blur_cfg, "size", &opt->blur_radius);
|
|
|
|
if (config_setting_lookup_string(blur_cfg, "kernel", &sval)) {
|
|
struct conv *kerns[5];
|
|
if (!parse_blur_kern_lst(sval, kerns, MAX_BLUR_PASS,
|
|
conv_kern_hasneg)) {
|
|
log_warn("Failed to parse blur kernel: %s", sval);
|
|
} else {
|
|
memcpy(opt->blur_kerns, kerns, sizeof kerns);
|
|
}
|
|
}
|
|
|
|
opt->blur_deviation = 0.84089642;
|
|
config_setting_lookup_float(blur_cfg, "deviation", &opt->blur_deviation);
|
|
}
|
|
|
|
// Wintype settings
|
|
|
|
// XXX ! Refactor all the wintype_* arrays into a struct
|
|
for (wintype_t i = 0; i < NUM_WINTYPES; ++i) {
|
|
char *str = mstrjoin("wintypes.", WINTYPES[i]);
|
|
config_setting_t *setting = config_lookup(&cfg, str);
|
|
free(str);
|
|
|
|
win_option_t *o = &opt->wintype_option[i];
|
|
win_option_mask_t *mask = &winopt_mask[i];
|
|
if (setting) {
|
|
if (config_setting_lookup_bool(setting, "shadow", &ival)) {
|
|
o->shadow = ival;
|
|
mask->shadow = true;
|
|
}
|
|
if (config_setting_lookup_bool(setting, "fade", &ival)) {
|
|
o->fade = ival;
|
|
mask->fade = true;
|
|
}
|
|
if (config_setting_lookup_bool(setting, "focus", &ival)) {
|
|
o->focus = ival;
|
|
mask->focus = true;
|
|
}
|
|
if (config_setting_lookup_bool(setting, "full-shadow", &ival)) {
|
|
o->full_shadow = ival;
|
|
mask->full_shadow = true;
|
|
}
|
|
if (config_setting_lookup_bool(setting, "redir-ignore", &ival)) {
|
|
o->redir_ignore = ival;
|
|
mask->redir_ignore = true;
|
|
}
|
|
|
|
double fval;
|
|
if (config_setting_lookup_float(setting, "opacity", &fval)) {
|
|
o->opacity = normalize_d(fval);
|
|
mask->opacity = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
config_destroy(&cfg);
|
|
return path;
|
|
|
|
err:
|
|
config_destroy(&cfg);
|
|
free(path);
|
|
return ERR_PTR(-1);
|
|
}
|