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rofi/source/modes/drun.c
Dave Davenport 141bd3d197 [Doc][Config] Update documentation for new fallback icon 
* Allow multiple config be combined.
2022-05-12 19:52:35 +02:00

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2022 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/** The log domain of this dialog. */
#define G_LOG_DOMAIN "Modes.DRun"
#include <config.h>
#ifdef ENABLE_DRUN
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <dirent.h>
#include <errno.h>
#include <limits.h>
#include <signal.h>
#include <string.h>
#include <strings.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "helper.h"
#include "history.h"
#include "mode-private.h"
#include "modes/drun.h"
#include "modes/filebrowser.h"
#include "rofi.h"
#include "settings.h"
#include "timings.h"
#include "widgets/textbox.h"
#include "xcb.h"
#include "rofi-icon-fetcher.h"
/** The filename of the history cache file. */
#define DRUN_CACHE_FILE "rofi3.druncache"
/** The filename of the drun quick-load cache file. */
#define DRUN_DESKTOP_CACHE_FILE "rofi-drun-desktop.cache"
/** The group name used in desktop files */
char *DRUN_GROUP_NAME = "Desktop Entry";
/**
*The Internal data structure for the drun mode.
*/
typedef struct _DRunModePrivateData DRunModePrivateData;
/**
* Used to determine the type of desktop file.
*/
typedef enum {
/** Unknown. */
DRUN_DESKTOP_ENTRY_TYPE_UNDETERMINED = 0,
/** Application */
DRUN_DESKTOP_ENTRY_TYPE_APPLICATION,
/** Link */
DRUN_DESKTOP_ENTRY_TYPE_LINK,
/** KDE Service File */
DRUN_DESKTOP_ENTRY_TYPE_SERVICE,
/** Directory */
DRUN_DESKTOP_ENTRY_TYPE_DIRECTORY,
} DRunDesktopEntryType;
/**
* Store extra information about the entry.
* Currently the executable and if it should run in terminal.
*/
typedef struct {
DRunModePrivateData *pd;
/* category */
char *action;
/* Root */
char *root;
/* Path to desktop file */
char *path;
/* Application id (.desktop filename) */
char *app_id;
/* Desktop id */
char *desktop_id;
/* Icon stuff */
char *icon_name;
/* Icon size is used to indicate what size is requested by the
* gui. secondary it indicates if the request for a lookup has
* been issued (0 not issued )
*/
int icon_size;
/* Surface holding the icon. */
cairo_surface_t *icon;
/* Executable - for Application entries only */
char *exec;
/* Name of the Entry */
char *name;
/* Generic Name */
char *generic_name;
/* Categories */
char **categories;
/* Keywords */
char **keywords;
/* Comments */
char *comment;
/* Underlying key-file. */
GKeyFile *key_file;
/* Used for sorting. */
gint sort_index;
/* UID for the icon to display */
uint32_t icon_fetch_uid;
/* Type of desktop file */
DRunDesktopEntryType type;
} DRunModeEntry;
typedef struct {
const char *entry_field_name;
gboolean enabled_match;
gboolean enabled_display;
} DRunEntryField;
/** The fields that can be displayed and used for matching */
typedef enum {
/** Name */
DRUN_MATCH_FIELD_NAME,
/** Generic Name */
DRUN_MATCH_FIELD_GENERIC,
/** Exec */
DRUN_MATCH_FIELD_EXEC,
/** List of categories */
DRUN_MATCH_FIELD_CATEGORIES,
/** List of keywords */
DRUN_MATCH_FIELD_KEYWORDS,
/** Comment */
DRUN_MATCH_FIELD_COMMENT,
/** Number of DRunMatchingFields entries. */
DRUN_MATCH_NUM_FIELDS,
} DRunMatchingFields;
/** Stores what fields should be matched on user input. based on user setting.
*/
static DRunEntryField matching_entry_fields[DRUN_MATCH_NUM_FIELDS] = {
{
.entry_field_name = "name",
.enabled_match = TRUE,
.enabled_display = TRUE,
},
{
.entry_field_name = "generic",
.enabled_match = TRUE,
.enabled_display = TRUE,
},
{
.entry_field_name = "exec",
.enabled_match = TRUE,
.enabled_display = TRUE,
},
{
.entry_field_name = "categories",
.enabled_match = TRUE,
.enabled_display = TRUE,
},
{
.entry_field_name = "keywords",
.enabled_match = TRUE,
.enabled_display = TRUE,
},
{
.entry_field_name = "comment",
.enabled_match = FALSE,
.enabled_display = FALSE,
}};
struct _DRunModePrivateData {
DRunModeEntry *entry_list;
unsigned int cmd_list_length;
unsigned int cmd_list_length_actual;
// List of disabled entries.
GHashTable *disabled_entries;
unsigned int disabled_entries_length;
unsigned int expected_line_height;
char **show_categories;
// Theme
const gchar *icon_theme;
// DE
gchar **current_desktop_list;
gboolean file_complete;
Mode *completer;
char *old_completer_input;
uint32_t selected_line;
char *old_input;
};
struct RegexEvalArg {
DRunModeEntry *e;
const char *path;
gboolean success;
};
static gboolean drun_helper_eval_cb(const GMatchInfo *info, GString *res,
gpointer data) {
// TODO quoting is not right? Find description not very clear, need to check.
struct RegexEvalArg *e = (struct RegexEvalArg *)data;
gchar *match;
// Get the match
match = g_match_info_fetch(info, 0);
if (match != NULL) {
switch (match[1]) {
case 'f':
case 'F':
case 'u':
case 'U':
g_string_append(res, e->path);
break;
// Unsupported
case 'i':
// TODO
if (e->e && e->e->icon) {
g_string_append_printf(res, "--icon %s", e->e->icon_name);
}
break;
// Deprecated
case 'd':
case 'D':
case 'n':
case 'N':
case 'v':
case 'm':
break;
case '%':
g_string_append(res, "%");
break;
case 'k':
if (e->e->path) {
char *esc = g_shell_quote(e->e->path);
g_string_append(res, esc);
g_free(esc);
}
break;
case 'c':
if (e->e->name) {
char *esc = g_shell_quote(e->e->name);
g_string_append(res, esc);
g_free(esc);
}
break;
// Invalid, this entry should not be processed -> throw error.
default:
e->success = FALSE;
g_free(match);
return TRUE;
}
g_free(match);
}
// Continue replacement.
return FALSE;
}
static void launch_link_entry(DRunModeEntry *e) {
if (e->key_file == NULL) {
GKeyFile *kf = g_key_file_new();
GError *error = NULL;
gboolean res = g_key_file_load_from_file(kf, e->path, 0, &error);
if (res) {
e->key_file = kf;
} else {
g_warning("[%s] [%s] Failed to parse desktop file because: %s.",
e->app_id, e->path, error->message);
g_error_free(error);
g_key_file_free(kf);
return;
}
}
gchar *url = g_key_file_get_string(e->key_file, e->action, "URL", NULL);
if (url == NULL || strlen(url) == 0) {
g_warning("[%s] [%s] No URL found.", e->app_id, e->path);
g_free(url);
return;
}
gsize command_len = strlen(config.drun_url_launcher) + strlen(url) +
2; // space + terminator = 2
gchar *command = g_newa(gchar, command_len);
g_snprintf(command, command_len, "%s %s", config.drun_url_launcher, url);
g_free(url);
g_debug("Link launch command: |%s|", command);
if (helper_execute_command(NULL, command, FALSE, NULL)) {
char *path = g_build_filename(cache_dir, DRUN_CACHE_FILE, NULL);
// Store it based on the unique identifiers (desktop_id).
history_set(path, e->desktop_id);
g_free(path);
}
}
static void exec_cmd_entry(DRunModeEntry *e, const char *path) {
GError *error = NULL;
GRegex *reg = g_regex_new("%[a-zA-Z%]", 0, 0, &error);
if (error != NULL) {
g_warning("Internal error, failed to create regex: %s.", error->message);
g_error_free(error);
return;
}
struct RegexEvalArg earg = {.e = e, .path = path, .success = TRUE};
char *str = g_regex_replace_eval(reg, e->exec, -1, 0, 0, drun_helper_eval_cb,
&earg, &error);
if (error != NULL) {
g_warning("Internal error, failed replace field codes: %s.",
error->message);
g_error_free(error);
return;
}
g_regex_unref(reg);
if (earg.success == FALSE) {
g_warning("Invalid field code in Exec line: %s.", e->exec);
;
return;
}
if (str == NULL) {
g_warning("Nothing to execute after processing: %s.", e->exec);
;
return;
}
g_debug("Parsed command: |%s| into |%s|.", e->exec, str);
if (e->key_file == NULL) {
GKeyFile *kf = g_key_file_new();
GError *key_error = NULL;
gboolean res = g_key_file_load_from_file(kf, e->path, 0, &key_error);
if (res) {
e->key_file = kf;
} else {
g_warning("[%s] [%s] Failed to parse desktop file because: %s.",
e->app_id, e->path, key_error->message);
g_error_free(key_error);
g_key_file_free(kf);
return;
}
}
const gchar *fp = g_strstrip(str);
gchar *exec_path =
g_key_file_get_string(e->key_file, e->action, "Path", NULL);
if (exec_path != NULL && strlen(exec_path) == 0) {
// If it is empty, ignore this property. (#529)
g_free(exec_path);
exec_path = NULL;
}
RofiHelperExecuteContext context = {
.name = e->name,
.icon = e->icon_name,
.app_id = e->app_id,
};
gboolean sn =
g_key_file_get_boolean(e->key_file, e->action, "StartupNotify", NULL);
gchar *wmclass = NULL;
if (sn &&
g_key_file_has_key(e->key_file, e->action, "StartupWMClass", NULL)) {
context.wmclass = wmclass =
g_key_file_get_string(e->key_file, e->action, "StartupWMClass", NULL);
}
// Returns false if not found, if key not found, we don't want run in
// terminal.
gboolean terminal =
g_key_file_get_boolean(e->key_file, e->action, "Terminal", NULL);
if (helper_execute_command(exec_path, fp, terminal, sn ? &context : NULL)) {
char *drun_cach_path = g_build_filename(cache_dir, DRUN_CACHE_FILE, NULL);
// Store it based on the unique identifiers (desktop_id).
history_set(drun_cach_path, e->desktop_id);
g_free(drun_cach_path);
}
g_free(wmclass);
g_free(exec_path);
g_free(str);
}
static gboolean rofi_strv_contains(const char *const *categories,
const char *const *field) {
for (int i = 0; categories && categories[i]; i++) {
for (int j = 0; field[j]; j++) {
if (g_str_equal(categories[i], field[j])) {
return TRUE;
}
}
}
return FALSE;
}
/**
* This function absorbs/freeś path, so this is no longer available afterwards.
*/
static void read_desktop_file(DRunModePrivateData *pd, const char *root,
const char *path, const gchar *basename,
const char *action) {
DRunDesktopEntryType desktop_entry_type =
DRUN_DESKTOP_ENTRY_TYPE_UNDETERMINED;
int parse_action = (config.drun_show_actions && action != DRUN_GROUP_NAME);
// Create ID on stack.
// We know strlen (path ) > strlen(root)+1
const ssize_t id_len = strlen(path) - strlen(root);
char id[id_len];
g_strlcpy(id, &(path[strlen(root) + 1]), id_len);
for (int index = 0; index < id_len; index++) {
if (id[index] == '/') {
id[index] = '-';
}
}
// Check if item is on disabled list.
if (g_hash_table_contains(pd->disabled_entries, id) && !parse_action) {
g_debug("[%s] [%s] Skipping, was previously seen.", id, path);
return;
}
GKeyFile *kf = g_key_file_new();
GError *error = NULL;
gboolean res = g_key_file_load_from_file(kf, path, 0, &error);
// If error, skip to next entry
if (!res) {
g_debug("[%s] [%s] Failed to parse desktop file because: %s.", id, path,
error->message);
g_error_free(error);
g_key_file_free(kf);
return;
}
if (g_key_file_has_group(kf, action) == FALSE) {
// No type? ignore.
g_debug("[%s] [%s] Invalid desktop file: No %s group", id, path, action);
g_key_file_free(kf);
return;
}
// Skip non Application entries.
gchar *key = g_key_file_get_string(kf, DRUN_GROUP_NAME, "Type", NULL);
if (key == NULL) {
// No type? ignore.
g_debug("[%s] [%s] Invalid desktop file: No type indicated", id, path);
g_key_file_free(kf);
return;
}
if (!g_strcmp0(key, "Application")) {
desktop_entry_type = DRUN_DESKTOP_ENTRY_TYPE_APPLICATION;
} else if (!g_strcmp0(key, "Link")) {
desktop_entry_type = DRUN_DESKTOP_ENTRY_TYPE_LINK;
} else if (!g_strcmp0(key, "Service")) {
desktop_entry_type = DRUN_DESKTOP_ENTRY_TYPE_SERVICE;
g_debug("Service file detected.");
} else {
g_debug(
"[%s] [%s] Skipping desktop file: Not of type Application or Link (%s)",
id, path, key);
g_free(key);
g_key_file_free(kf);
return;
}
g_free(key);
// Name key is required.
if (!g_key_file_has_key(kf, DRUN_GROUP_NAME, "Name", NULL)) {
g_debug("[%s] [%s] Invalid desktop file: no 'Name' key present.", id, path);
g_key_file_free(kf);
return;
}
// Skip hidden entries.
if (g_key_file_get_boolean(kf, DRUN_GROUP_NAME, "Hidden", NULL)) {
g_debug(
"[%s] [%s] Adding desktop file to disabled list: 'Hidden' key is true",
id, path);
g_key_file_free(kf);
g_hash_table_add(pd->disabled_entries, g_strdup(id));
return;
}
if (pd->current_desktop_list) {
gboolean show = TRUE;
// If the DE is set, check the keys.
if (g_key_file_has_key(kf, DRUN_GROUP_NAME, "OnlyShowIn", NULL)) {
gsize llength = 0;
show = FALSE;
gchar **list = g_key_file_get_string_list(kf, DRUN_GROUP_NAME,
"OnlyShowIn", &llength, NULL);
if (list) {
for (gsize lcd = 0; !show && pd->current_desktop_list[lcd]; lcd++) {
for (gsize lle = 0; !show && lle < llength; lle++) {
show = (g_strcmp0(pd->current_desktop_list[lcd], list[lle]) == 0);
}
}
g_strfreev(list);
}
}
if (show && g_key_file_has_key(kf, DRUN_GROUP_NAME, "NotShowIn", NULL)) {
gsize llength = 0;
gchar **list = g_key_file_get_string_list(kf, DRUN_GROUP_NAME,
"NotShowIn", &llength, NULL);
if (list) {
for (gsize lcd = 0; show && pd->current_desktop_list[lcd]; lcd++) {
for (gsize lle = 0; show && lle < llength; lle++) {
show = !(g_strcmp0(pd->current_desktop_list[lcd], list[lle]) == 0);
}
}
g_strfreev(list);
}
}
if (!show) {
g_debug("[%s] [%s] Adding desktop file to disabled list: "
"'OnlyShowIn'/'NotShowIn' keys don't match current desktop",
id, path);
g_key_file_free(kf);
g_hash_table_add(pd->disabled_entries, g_strdup(id));
return;
}
}
// Skip entries that have NoDisplay set.
if (g_key_file_get_boolean(kf, DRUN_GROUP_NAME, "NoDisplay", NULL)) {
g_debug("[%s] [%s] Adding desktop file to disabled list: 'NoDisplay' key "
"is true",
id, path);
g_key_file_free(kf);
g_hash_table_add(pd->disabled_entries, g_strdup(id));
return;
}
// We need Exec, don't support DBusActivatable
if (desktop_entry_type == DRUN_DESKTOP_ENTRY_TYPE_APPLICATION &&
!g_key_file_has_key(kf, DRUN_GROUP_NAME, "Exec", NULL)) {
g_debug("[%s] [%s] Unsupported desktop file: no 'Exec' key present for "
"type Application.",
id, path);
g_key_file_free(kf);
return;
}
if (desktop_entry_type == DRUN_DESKTOP_ENTRY_TYPE_SERVICE &&
!g_key_file_has_key(kf, DRUN_GROUP_NAME, "Exec", NULL)) {
g_debug("[%s] [%s] Unsupported desktop file: no 'Exec' key present for "
"type Service.",
id, path);
g_key_file_free(kf);
return;
}
if (desktop_entry_type == DRUN_DESKTOP_ENTRY_TYPE_LINK &&
!g_key_file_has_key(kf, DRUN_GROUP_NAME, "URL", NULL)) {
g_debug("[%s] [%s] Unsupported desktop file: no 'URL' key present for type "
"Link.",
id, path);
g_key_file_free(kf);
return;
}
if (g_key_file_has_key(kf, DRUN_GROUP_NAME, "TryExec", NULL)) {
char *te = g_key_file_get_string(kf, DRUN_GROUP_NAME, "TryExec", NULL);
if (!g_path_is_absolute(te)) {
char *fp = g_find_program_in_path(te);
if (fp == NULL) {
g_free(te);
g_key_file_free(kf);
return;
}
g_free(fp);
} else {
if (g_file_test(te, G_FILE_TEST_IS_EXECUTABLE) == FALSE) {
g_free(te);
g_key_file_free(kf);
return;
}
}
g_free(te);
}
char **categories = NULL;
if (pd->show_categories) {
categories = g_key_file_get_locale_string_list(
kf, DRUN_GROUP_NAME, "Categories", NULL, NULL, NULL);
if (!rofi_strv_contains((const char *const *)categories,
(const char *const *)pd->show_categories)) {
g_strfreev(categories);
g_key_file_free(kf);
return;
}
}
size_t nl = ((pd->cmd_list_length) + 1);
if (nl >= pd->cmd_list_length_actual) {
pd->cmd_list_length_actual += 256;
pd->entry_list = g_realloc(pd->entry_list, pd->cmd_list_length_actual *
sizeof(*(pd->entry_list)));
}
// Make sure order is preserved, this will break when cmd_list_length is
// bigger then INT_MAX. This is not likely to happen.
if (G_UNLIKELY(pd->cmd_list_length > INT_MAX)) {
// Default to smallest value.
pd->entry_list[pd->cmd_list_length].sort_index = INT_MIN;
} else {
pd->entry_list[pd->cmd_list_length].sort_index = -nl;
}
pd->entry_list[pd->cmd_list_length].icon_size = 0;
pd->entry_list[pd->cmd_list_length].icon_fetch_uid = 0;
pd->entry_list[pd->cmd_list_length].root = g_strdup(root);
pd->entry_list[pd->cmd_list_length].path = g_strdup(path);
pd->entry_list[pd->cmd_list_length].desktop_id = g_strdup(id);
pd->entry_list[pd->cmd_list_length].app_id =
g_strndup(basename, strlen(basename) - strlen(".desktop"));
gchar *n =
g_key_file_get_locale_string(kf, DRUN_GROUP_NAME, "Name", NULL, NULL);
if (action != DRUN_GROUP_NAME) {
gchar *na = g_key_file_get_locale_string(kf, action, "Name", NULL, NULL);
gchar *l = g_strdup_printf("%s - %s", n, na);
g_free(n);
n = l;
}
pd->entry_list[pd->cmd_list_length].name = n;
pd->entry_list[pd->cmd_list_length].action = DRUN_GROUP_NAME;
gchar *gn = g_key_file_get_locale_string(kf, DRUN_GROUP_NAME, "GenericName",
NULL, NULL);
pd->entry_list[pd->cmd_list_length].generic_name = gn;
if (matching_entry_fields[DRUN_MATCH_FIELD_KEYWORDS].enabled_match ||
matching_entry_fields[DRUN_MATCH_FIELD_CATEGORIES].enabled_display) {
pd->entry_list[pd->cmd_list_length].keywords =
g_key_file_get_locale_string_list(kf, DRUN_GROUP_NAME, "Keywords", NULL,
NULL, NULL);
} else {
pd->entry_list[pd->cmd_list_length].keywords = NULL;
}
if (matching_entry_fields[DRUN_MATCH_FIELD_CATEGORIES].enabled_match ||
matching_entry_fields[DRUN_MATCH_FIELD_CATEGORIES].enabled_display) {
if (categories) {
pd->entry_list[pd->cmd_list_length].categories = categories;
categories = NULL;
} else {
pd->entry_list[pd->cmd_list_length].categories =
g_key_file_get_locale_string_list(kf, DRUN_GROUP_NAME, "Categories",
NULL, NULL, NULL);
}
} else {
pd->entry_list[pd->cmd_list_length].categories = NULL;
}
g_strfreev(categories);
pd->entry_list[pd->cmd_list_length].type = desktop_entry_type;
if (desktop_entry_type == DRUN_DESKTOP_ENTRY_TYPE_APPLICATION ||
desktop_entry_type == DRUN_DESKTOP_ENTRY_TYPE_SERVICE) {
pd->entry_list[pd->cmd_list_length].exec =
g_key_file_get_string(kf, action, "Exec", NULL);
} else {
pd->entry_list[pd->cmd_list_length].exec = NULL;
}
if (matching_entry_fields[DRUN_MATCH_FIELD_COMMENT].enabled_match ||
matching_entry_fields[DRUN_MATCH_FIELD_COMMENT].enabled_display) {
pd->entry_list[pd->cmd_list_length].comment = g_key_file_get_locale_string(
kf, DRUN_GROUP_NAME, "Comment", NULL, NULL);
} else {
pd->entry_list[pd->cmd_list_length].comment = NULL;
}
pd->entry_list[pd->cmd_list_length].icon_name =
g_key_file_get_locale_string(kf, DRUN_GROUP_NAME, "Icon", NULL, NULL);
pd->entry_list[pd->cmd_list_length].icon = NULL;
// Keep keyfile around.
pd->entry_list[pd->cmd_list_length].key_file = kf;
// We don't want to parse items with this id anymore.
g_hash_table_add(pd->disabled_entries, g_strdup(id));
g_debug("[%s] Using file %s.", id, path);
(pd->cmd_list_length)++;
if (!parse_action) {
gsize actions_length = 0;
char **actions = g_key_file_get_string_list(kf, DRUN_GROUP_NAME, "Actions",
&actions_length, NULL);
for (gsize iter = 0; iter < actions_length; iter++) {
char *new_action = g_strdup_printf("Desktop Action %s", actions[iter]);
read_desktop_file(pd, root, path, basename, new_action);
g_free(new_action);
}
g_strfreev(actions);
}
return;
}
/**
* Internal spider used to get list of executables.
*/
static void walk_dir(DRunModePrivateData *pd, const char *root,
const char *dirname) {
DIR *dir;
g_debug("Checking directory %s for desktop files.", dirname);
dir = opendir(dirname);
if (dir == NULL) {
return;
}
struct dirent *file;
gchar *filename = NULL;
struct stat st;
while ((file = readdir(dir)) != NULL) {
if (file->d_name[0] == '.') {
continue;
}
switch (file->d_type) {
case DT_LNK:
case DT_REG:
case DT_DIR:
case DT_UNKNOWN:
filename = g_build_filename(dirname, file->d_name, NULL);
break;
default:
continue;
}
// On a link, or if FS does not support providing this information
// Fallback to stat method.
if (file->d_type == DT_LNK || file->d_type == DT_UNKNOWN) {
file->d_type = DT_UNKNOWN;
if (stat(filename, &st) == 0) {
if (S_ISDIR(st.st_mode)) {
file->d_type = DT_DIR;
} else if (S_ISREG(st.st_mode)) {
file->d_type = DT_REG;
}
}
}
switch (file->d_type) {
case DT_REG:
// Skip files not ending on .desktop.
if (g_str_has_suffix(file->d_name, ".desktop")) {
read_desktop_file(pd, root, filename, file->d_name, DRUN_GROUP_NAME);
}
break;
case DT_DIR:
walk_dir(pd, root, filename);
break;
default:
break;
}
g_free(filename);
}
closedir(dir);
}
/**
* @param entry The command entry to remove from history
*
* Remove command from history.
*/
static void delete_entry_history(const DRunModeEntry *entry) {
char *path = g_build_filename(cache_dir, DRUN_CACHE_FILE, NULL);
history_remove(path, entry->desktop_id);
g_free(path);
}
static void get_apps_history(DRunModePrivateData *pd) {
TICK_N("Start drun history");
unsigned int length = 0;
gchar *path = g_build_filename(cache_dir, DRUN_CACHE_FILE, NULL);
gchar **retv = history_get_list(path, &length);
for (unsigned int index = 0; index < length; index++) {
for (size_t i = 0; i < pd->cmd_list_length; i++) {
if (g_strcmp0(pd->entry_list[i].desktop_id, retv[index]) == 0) {
unsigned int sort_index = length - index;
if (G_LIKELY(sort_index < INT_MAX)) {
pd->entry_list[i].sort_index = sort_index;
} else {
// This won't sort right anymore, but never gonna hit it anyway.
pd->entry_list[i].sort_index = INT_MAX;
}
}
}
}
g_strfreev(retv);
g_free(path);
TICK_N("Stop drun history");
}
static gint drun_int_sort_list(gconstpointer a, gconstpointer b,
G_GNUC_UNUSED gpointer user_data) {
DRunModeEntry *da = (DRunModeEntry *)a;
DRunModeEntry *db = (DRunModeEntry *)b;
if (da->sort_index < 0 && db->sort_index < 0) {
if (da->name == NULL && db->name == NULL) {
return 0;
}
if (da->name == NULL) {
return -1;
}
if (db->name == NULL) {
return 1;
}
return g_utf8_collate(da->name, db->name);
}
return db->sort_index - da->sort_index;
}
/*******************************************
* Cache voodoo *
*******************************************/
/** Version of the DRUN cache file format. */
#define CACHE_VERSION 2
static void drun_write_str(FILE *fd, const char *str) {
size_t l = (str == NULL ? 0 : strlen(str));
fwrite(&l, sizeof(l), 1, fd);
// Only write string if it is not NULL or empty.
if (l > 0) {
// Also writeout terminating '\0'
fwrite(str, 1, l + 1, fd);
}
}
static void drun_write_integer(FILE *fd, int32_t val) {
fwrite(&val, sizeof(val), 1, fd);
}
static void drun_read_integer(FILE *fd, int32_t *type) {
if (fread(type, sizeof(int32_t), 1, fd) != 1) {
g_warning("Failed to read entry, cache corrupt?");
return;
}
}
static void drun_read_string(FILE *fd, char **str) {
size_t l = 0;
if (fread(&l, sizeof(l), 1, fd) != 1) {
g_warning("Failed to read entry, cache corrupt?");
return;
}
(*str) = NULL;
if (l > 0) {
// Include \0
l++;
(*str) = g_malloc(l);
if (fread((*str), 1, l, fd) != l) {
g_warning("Failed to read entry, cache corrupt?");
}
}
}
static void drun_write_strv(FILE *fd, char **str) {
guint vl = (str == NULL ? 0 : g_strv_length(str));
fwrite(&vl, sizeof(vl), 1, fd);
for (guint index = 0; index < vl; index++) {
drun_write_str(fd, str[index]);
}
}
static void drun_read_stringv(FILE *fd, char ***str) {
guint vl = 0;
(*str) = NULL;
if (fread(&vl, sizeof(vl), 1, fd) != 1) {
g_warning("Failed to read entry, cache corrupt?");
return;
}
if (vl > 0) {
// Include terminating NULL entry.
(*str) = g_malloc0((vl + 1) * sizeof(**str));
for (guint index = 0; index < vl; index++) {
drun_read_string(fd, &((*str)[index]));
}
}
}
static void write_cache(DRunModePrivateData *pd, const char *cache_file) {
if (cache_file == NULL || config.drun_use_desktop_cache == FALSE) {
return;
}
TICK_N("DRUN Write CACHE: start");
FILE *fd = fopen(cache_file, "w");
if (fd == NULL) {
g_warning("Failed to write to cache file");
return;
}
uint8_t version = CACHE_VERSION;
fwrite(&version, sizeof(version), 1, fd);
fwrite(&(pd->cmd_list_length), sizeof(pd->cmd_list_length), 1, fd);
for (unsigned int index = 0; index < pd->cmd_list_length; index++) {
DRunModeEntry *entry = &(pd->entry_list[index]);
drun_write_str(fd, entry->action);
drun_write_str(fd, entry->root);
drun_write_str(fd, entry->path);
drun_write_str(fd, entry->app_id);
drun_write_str(fd, entry->desktop_id);
drun_write_str(fd, entry->icon_name);
drun_write_str(fd, entry->exec);
drun_write_str(fd, entry->name);
drun_write_str(fd, entry->generic_name);
drun_write_strv(fd, entry->categories);
drun_write_strv(fd, entry->keywords);
drun_write_str(fd, entry->comment);
drun_write_integer(fd, (int32_t)entry->type);
}
fclose(fd);
TICK_N("DRUN Write CACHE: end");
}
/**
* Read cache file. returns FALSE when success.
*/
static gboolean drun_read_cache(DRunModePrivateData *pd,
const char *cache_file) {
if (cache_file == NULL || config.drun_use_desktop_cache == FALSE) {
return TRUE;
}
if (config.drun_reload_desktop_cache) {
return TRUE;
}
TICK_N("DRUN Read CACHE: start");
FILE *fd = fopen(cache_file, "r");
if (fd == NULL) {
TICK_N("DRUN Read CACHE: stop");
return TRUE;
}
// Read version.
uint8_t version = 0;
if (fread(&version, sizeof(version), 1, fd) != 1) {
fclose(fd);
g_warning("Cache corrupt, ignoring.");
TICK_N("DRUN Read CACHE: stop");
return TRUE;
}
if (version != CACHE_VERSION) {
fclose(fd);
g_warning("Cache file wrong version, ignoring.");
TICK_N("DRUN Read CACHE: stop");
return TRUE;
}
if (fread(&(pd->cmd_list_length), sizeof(pd->cmd_list_length), 1, fd) != 1) {
fclose(fd);
g_warning("Cache corrupt, ignoring.");
TICK_N("DRUN Read CACHE: stop");
return TRUE;
}
// set actual length to length;
pd->cmd_list_length_actual = pd->cmd_list_length;
pd->entry_list =
g_malloc0(pd->cmd_list_length_actual * sizeof(*(pd->entry_list)));
for (unsigned int index = 0; index < pd->cmd_list_length; index++) {
DRunModeEntry *entry = &(pd->entry_list[index]);
drun_read_string(fd, &(entry->action));
drun_read_string(fd, &(entry->root));
drun_read_string(fd, &(entry->path));
drun_read_string(fd, &(entry->app_id));
drun_read_string(fd, &(entry->desktop_id));
drun_read_string(fd, &(entry->icon_name));
drun_read_string(fd, &(entry->exec));
drun_read_string(fd, &(entry->name));
drun_read_string(fd, &(entry->generic_name));
drun_read_stringv(fd, &(entry->categories));
drun_read_stringv(fd, &(entry->keywords));
drun_read_string(fd, &(entry->comment));
int32_t type = 0;
drun_read_integer(fd, &(type));
entry->type = type;
}
fclose(fd);
TICK_N("DRUN Read CACHE: stop");
return FALSE;
}
static void get_apps(DRunModePrivateData *pd) {
char *cache_file = g_build_filename(cache_dir, DRUN_DESKTOP_CACHE_FILE, NULL);
TICK_N("Get Desktop apps (start)");
if (drun_read_cache(pd, cache_file)) {
ThemeWidget *wid = rofi_config_find_widget(drun_mode.name, NULL, TRUE);
/** Load user entires */
Property *p = rofi_theme_find_property(wid, P_BOOLEAN, "parse-user", TRUE);
if (p == NULL || (p->type == P_BOOLEAN && p->value.b)) {
gchar *dir;
// First read the user directory.
dir = g_build_filename(g_get_user_data_dir(), "applications", NULL);
walk_dir(pd, dir, dir);
g_free(dir);
TICK_N("Get Desktop apps (user dir)");
}
/** Load application entires */
p = rofi_theme_find_property(wid, P_BOOLEAN, "parse-system", TRUE);
if (p == NULL || (p->type == P_BOOLEAN && p->value.b)) {
// Then read thee system data dirs.
const gchar *const *sys = g_get_system_data_dirs();
for (const gchar *const *iter = sys; *iter != NULL; ++iter) {
gboolean unique = TRUE;
// Stupid duplicate detection, better then walking dir.
for (const gchar *const *iterd = sys; iterd != iter; ++iterd) {
if (g_strcmp0(*iter, *iterd) == 0) {
unique = FALSE;
}
}
// Check, we seem to be getting empty string...
if (unique && (**iter) != '\0') {
char *dir = g_build_filename(*iter, "applications", NULL);
walk_dir(pd, dir, dir);
g_free(dir);
}
}
TICK_N("Get Desktop apps (system dirs)");
}
get_apps_history(pd);
g_qsort_with_data(pd->entry_list, pd->cmd_list_length,
sizeof(DRunModeEntry), drun_int_sort_list, NULL);
TICK_N("Sorting done.");
write_cache(pd, cache_file);
}
g_free(cache_file);
}
static void drun_mode_parse_entry_fields() {
char *savept = NULL;
// Make a copy, as strtok will modify it.
char *switcher_str = g_strdup(config.drun_match_fields);
const char *const sep = ",#";
// Split token on ','. This modifies switcher_str.
for (unsigned int i = 0; i < DRUN_MATCH_NUM_FIELDS; i++) {
matching_entry_fields[i].enabled_match = FALSE;
matching_entry_fields[i].enabled_display = FALSE;
}
for (char *token = strtok_r(switcher_str, sep, &savept); token != NULL;
token = strtok_r(NULL, sep, &savept)) {
if (strcmp(token, "all") == 0) {
for (unsigned int i = 0; i < DRUN_MATCH_NUM_FIELDS; i++) {
matching_entry_fields[i].enabled_match = TRUE;
matching_entry_fields[i].enabled_display = TRUE;
}
break;
}
gboolean matched = FALSE;
for (unsigned int i = 0; i < DRUN_MATCH_NUM_FIELDS; i++) {
const char *entry_name = matching_entry_fields[i].entry_field_name;
if (g_ascii_strcasecmp(token, entry_name) == 0) {
matching_entry_fields[i].enabled_match = TRUE;
matching_entry_fields[i].enabled_display = TRUE;
matched = TRUE;
}
}
if (!matched) {
g_warning("Invalid entry name :%s", token);
}
}
// Free string that was modified by strtok_r
g_free(switcher_str);
}
static void drun_mode_parse_display_format() {
for (int i = 0; i < DRUN_MATCH_NUM_FIELDS; i++) {
if (matching_entry_fields[i].enabled_display)
continue;
gchar *search_term =
g_strdup_printf("{%s}", matching_entry_fields[i].entry_field_name);
if (strstr(config.drun_display_format, search_term)) {
matching_entry_fields[i].enabled_match = TRUE;
}
g_free(search_term);
}
}
static int drun_mode_init(Mode *sw) {
if (mode_get_private_data(sw) != NULL) {
return TRUE;
}
DRunModePrivateData *pd = g_malloc0(sizeof(*pd));
pd->disabled_entries =
g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
mode_set_private_data(sw, (void *)pd);
// current desktop
const char *current_desktop = g_getenv("XDG_CURRENT_DESKTOP");
pd->current_desktop_list =
current_desktop ? g_strsplit(current_desktop, ":", 0) : NULL;
if (config.drun_categories && *(config.drun_categories)) {
pd->show_categories = g_strsplit(config.drun_categories, ",", 0);
}
drun_mode_parse_entry_fields();
drun_mode_parse_display_format();
get_apps(pd);
pd->completer = NULL;
return TRUE;
}
static void drun_entry_clear(DRunModeEntry *e) {
g_free(e->root);
g_free(e->path);
g_free(e->app_id);
g_free(e->desktop_id);
if (e->icon != NULL) {
cairo_surface_destroy(e->icon);
}
g_free(e->icon_name);
g_free(e->exec);
g_free(e->name);
g_free(e->generic_name);
g_free(e->comment);
if (e->action != DRUN_GROUP_NAME) {
g_free(e->action);
}
g_strfreev(e->categories);
g_strfreev(e->keywords);
if (e->key_file) {
g_key_file_free(e->key_file);
}
}
static ModeMode drun_mode_result(Mode *sw, int mretv, char **input,
unsigned int selected_line) {
DRunModePrivateData *rmpd = (DRunModePrivateData *)mode_get_private_data(sw);
ModeMode retv = MODE_EXIT;
if (rmpd->file_complete == TRUE) {
retv = RELOAD_DIALOG;
if ((mretv & (MENU_COMPLETE))) {
g_free(rmpd->old_completer_input);
rmpd->old_completer_input = *input;
*input = NULL;
if (rmpd->selected_line < rmpd->cmd_list_length) {
(*input) = g_strdup(rmpd->old_input);
}
rmpd->file_complete = FALSE;
} else if ((mretv & MENU_CANCEL)) {
retv = MODE_EXIT;
} else {
char *path = NULL;
retv = file_browser_mode_completer(rmpd->completer, mretv, input,
selected_line, &path);
if (retv == MODE_EXIT) {
exec_cmd_entry(&(rmpd->entry_list[rmpd->selected_line]), path);
}
g_free(path);
}
return retv;
}
if ((mretv & MENU_OK)) {
switch (rmpd->entry_list[selected_line].type) {
case DRUN_DESKTOP_ENTRY_TYPE_SERVICE:
case DRUN_DESKTOP_ENTRY_TYPE_APPLICATION:
exec_cmd_entry(&(rmpd->entry_list[selected_line]), NULL);
break;
case DRUN_DESKTOP_ENTRY_TYPE_LINK:
launch_link_entry(&(rmpd->entry_list[selected_line]));
break;
default:
g_assert_not_reached();
}
} else if ((mretv & MENU_CUSTOM_INPUT) && *input != NULL &&
*input[0] != '\0') {
RofiHelperExecuteContext context = {.name = NULL};
gboolean run_in_term = ((mretv & MENU_CUSTOM_ACTION) == MENU_CUSTOM_ACTION);
// FIXME: We assume startup notification in terminals, not in others
if (!helper_execute_command(NULL, *input, run_in_term,
run_in_term ? &context : NULL)) {
retv = RELOAD_DIALOG;
}
} else if ((mretv & MENU_ENTRY_DELETE) &&
selected_line < rmpd->cmd_list_length) {
// Positive sort index means it is in history.
if (rmpd->entry_list[selected_line].sort_index >= 0) {
delete_entry_history(&(rmpd->entry_list[selected_line]));
drun_entry_clear(&(rmpd->entry_list[selected_line]));
memmove(&(rmpd->entry_list[selected_line]),
&rmpd->entry_list[selected_line + 1],
sizeof(DRunModeEntry) *
(rmpd->cmd_list_length - selected_line - 1));
rmpd->cmd_list_length--;
}
retv = RELOAD_DIALOG;
} else if (mretv & MENU_CUSTOM_COMMAND) {
retv = (mretv & MENU_LOWER_MASK);
} else if ((mretv & MENU_COMPLETE)) {
retv = RELOAD_DIALOG;
if (selected_line < rmpd->cmd_list_length) {
switch (rmpd->entry_list[selected_line].type) {
case DRUN_DESKTOP_ENTRY_TYPE_SERVICE:
case DRUN_DESKTOP_ENTRY_TYPE_APPLICATION: {
GRegex *regex = g_regex_new("%[fFuU]", 0, 0, NULL);
if (g_regex_match(regex, rmpd->entry_list[selected_line].exec, 0,
NULL)) {
rmpd->selected_line = selected_line;
// TODO add check if it supports passing file.
g_free(rmpd->old_input);
rmpd->old_input = g_strdup(*input);
if (*input)
g_free(*input);
*input = g_strdup(rmpd->old_completer_input);
rmpd->completer = create_new_file_browser();
mode_init(rmpd->completer);
rmpd->file_complete = TRUE;
}
g_regex_unref(regex);
}
default:
break;
}
}
}
return retv;
}
static void drun_mode_destroy(Mode *sw) {
DRunModePrivateData *rmpd = (DRunModePrivateData *)mode_get_private_data(sw);
if (rmpd != NULL) {
for (size_t i = 0; i < rmpd->cmd_list_length; i++) {
drun_entry_clear(&(rmpd->entry_list[i]));
}
g_hash_table_destroy(rmpd->disabled_entries);
g_free(rmpd->entry_list);
g_free(rmpd->old_completer_input);
g_free(rmpd->old_input);
if (rmpd->completer != NULL) {
mode_destroy(rmpd->completer);
g_free(rmpd->completer);
}
g_strfreev(rmpd->current_desktop_list);
g_strfreev(rmpd->show_categories);
g_free(rmpd);
mode_set_private_data(sw, NULL);
}
}
static char *_get_display_value(const Mode *sw, unsigned int selected_line,
int *state, G_GNUC_UNUSED GList **list,
int get_entry) {
DRunModePrivateData *pd = (DRunModePrivateData *)mode_get_private_data(sw);
if (pd->file_complete) {
return pd->completer->_get_display_value(pd->completer, selected_line,
state, list, get_entry);
}
*state |= MARKUP;
if (!get_entry) {
return NULL;
}
if (pd->entry_list == NULL) {
// Should never get here.
return g_strdup("Failed");
}
/* Free temp storage. */
DRunModeEntry *dr = &(pd->entry_list[selected_line]);
gchar *cats = NULL;
if (dr->categories) {
char *tcats = g_strjoinv(",", dr->categories);
if (tcats) {
cats = g_markup_escape_text(tcats, -1);
g_free(tcats);
}
}
gchar *keywords = NULL;
if (dr->keywords) {
char *tkeyw = g_strjoinv(",", dr->keywords);
if (tkeyw) {
keywords = g_markup_escape_text(tkeyw, -1);
g_free(tkeyw);
}
}
// Needed for display.
char *egn = NULL;
char *en = NULL;
char *ec = NULL;
if (dr->generic_name) {
egn = g_markup_escape_text(dr->generic_name, -1);
}
if (dr->name) {
en = g_markup_escape_text(dr->name, -1);
}
if (dr->comment) {
ec = g_markup_escape_text(dr->comment, -1);
}
char *retv = helper_string_replace_if_exists(
config.drun_display_format, "{generic}", egn, "{name}", en, "{comment}",
ec, "{exec}", dr->exec, "{categories}", cats, "{keywords}", keywords,
NULL);
g_free(egn);
g_free(en);
g_free(ec);
g_free(cats);
return retv;
}
static cairo_surface_t *_get_icon(const Mode *sw, unsigned int selected_line,
int height) {
DRunModePrivateData *pd = (DRunModePrivateData *)mode_get_private_data(sw);
if (pd->file_complete) {
return pd->completer->_get_icon(pd->completer, selected_line, height);
}
g_return_val_if_fail(pd->entry_list != NULL, NULL);
DRunModeEntry *dr = &(pd->entry_list[selected_line]);
if (dr->icon_name != NULL) {
if (dr->icon_fetch_uid > 0) {
cairo_surface_t *icon = rofi_icon_fetcher_get(dr->icon_fetch_uid);
return icon;
}
dr->icon_fetch_uid = rofi_icon_fetcher_query(dr->icon_name, height);
cairo_surface_t *icon = rofi_icon_fetcher_get(dr->icon_fetch_uid);
return icon;
}
return NULL;
}
static char *drun_get_completion(const Mode *sw, unsigned int index) {
DRunModePrivateData *pd = (DRunModePrivateData *)mode_get_private_data(sw);
/* Free temp storage. */
DRunModeEntry *dr = &(pd->entry_list[index]);
if (dr->generic_name == NULL) {
return g_strdup(dr->name);
}
return g_strdup_printf("%s", dr->name);
}
static int drun_token_match(const Mode *data, rofi_int_matcher **tokens,
unsigned int index) {
DRunModePrivateData *rmpd =
(DRunModePrivateData *)mode_get_private_data(data);
if (rmpd->file_complete) {
return rmpd->completer->_token_match(rmpd->completer, tokens, index);
}
int match = 1;
if (tokens) {
for (int j = 0; match && tokens[j] != NULL; j++) {
int test = 0;
rofi_int_matcher *ftokens[2] = {tokens[j], NULL};
// Match name
if (matching_entry_fields[DRUN_MATCH_FIELD_NAME].enabled_match) {
if (rmpd->entry_list[index].name) {
test = helper_token_match(ftokens, rmpd->entry_list[index].name);
}
}
if (matching_entry_fields[DRUN_MATCH_FIELD_GENERIC].enabled_match) {
// Match generic name
if (test == tokens[j]->invert && rmpd->entry_list[index].generic_name) {
test =
helper_token_match(ftokens, rmpd->entry_list[index].generic_name);
}
}
if (matching_entry_fields[DRUN_MATCH_FIELD_EXEC].enabled_match) {
// Match executable name.
if (test == tokens[j]->invert && rmpd->entry_list[index].exec) {
test = helper_token_match(ftokens, rmpd->entry_list[index].exec);
}
}
if (matching_entry_fields[DRUN_MATCH_FIELD_CATEGORIES].enabled_match) {
// Match against category.
if (test == tokens[j]->invert) {
gchar **list = rmpd->entry_list[index].categories;
for (int iter = 0; test == tokens[j]->invert && list && list[iter];
iter++) {
test = helper_token_match(ftokens, list[iter]);
}
}
}
if (matching_entry_fields[DRUN_MATCH_FIELD_KEYWORDS].enabled_match) {
// Match against category.
if (test == tokens[j]->invert) {
gchar **list = rmpd->entry_list[index].keywords;
for (int iter = 0; test == tokens[j]->invert && list && list[iter];
iter++) {
test = helper_token_match(ftokens, list[iter]);
}
}
}
if (matching_entry_fields[DRUN_MATCH_FIELD_COMMENT].enabled_match) {
// Match executable name.
if (test == tokens[j]->invert && rmpd->entry_list[index].comment) {
test = helper_token_match(ftokens, rmpd->entry_list[index].comment);
}
}
if (test == 0) {
match = 0;
}
}
}
return match;
}
static unsigned int drun_mode_get_num_entries(const Mode *sw) {
const DRunModePrivateData *pd =
(const DRunModePrivateData *)mode_get_private_data(sw);
if (pd->file_complete) {
return pd->completer->_get_num_entries(pd->completer);
}
return pd->cmd_list_length;
}
static char *drun_get_message(const Mode *sw) {
DRunModePrivateData *pd = sw->private_data;
if (pd->file_complete) {
if (pd->selected_line < pd->cmd_list_length) {
char *msg = mode_get_message(pd->completer);
if (msg) {
char *retv =
g_strdup_printf("File complete for: %s\n%s",
pd->entry_list[pd->selected_line].name, msg);
g_free(msg);
return retv;
}
return g_strdup_printf("File complete for: %s",
pd->entry_list[pd->selected_line].name);
}
}
return NULL;
}
#include "mode-private.h"
/** The DRun Mode interface. */
Mode drun_mode = {.name = "drun",
.cfg_name_key = "display-drun",
._init = drun_mode_init,
._get_num_entries = drun_mode_get_num_entries,
._result = drun_mode_result,
._destroy = drun_mode_destroy,
._token_match = drun_token_match,
._get_message = drun_get_message,
._get_completion = drun_get_completion,
._get_display_value = _get_display_value,
._get_icon = _get_icon,
._preprocess_input = NULL,
.private_data = NULL,
.free = NULL};
#endif // ENABLE_DRUN
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