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rofi/source/dialogs/drun.c
Dave Davenport a8b5cef074 [DRun] Add support for service files 
Untested as I do not have these files myself.

Issue: #1152
2021-08-29 11:16:59 +02:00

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2020 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 "Dialogs.DRun"
#include <config.h>
#ifdef ENABLE_DRUN
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <unistd.h>
#include <limits.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <strings.h>
#include <string.h>
#include <errno.h>
#include "rofi.h"
#include "settings.h"
#include "helper.h"
#include "timings.h"
#include "widgets/textbox.h"
#include "history.h"
#include "dialogs/drun.h"
#include "xcb.h"
#include "rofi-icon-fetcher.h"
#define DRUN_CACHE_FILE "rofi3.druncache"
#define DRUN_DESKTOP_CACHE_FILE "rofi-drun-desktop.cache"
char *DRUN_GROUP_NAME = "Desktop Entry";
typedef struct _DRunModePrivateData DRunModePrivateData;
typedef enum
{
DRUN_DESKTOP_ENTRY_TYPE_UNDETERMINED = 0,
DRUN_DESKTOP_ENTRY_TYPE_APPLICATION,
DRUN_DESKTOP_ENTRY_TYPE_LINK,
DRUN_DESKTOP_ENTRY_TYPE_SERVICE,
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;
GKeyFile *key_file;
gint sort_index;
uint32_t icon_fetch_uid;
DRunDesktopEntryType type;
} DRunModeEntry;
typedef struct
{
const char *entry_field_name;
gboolean enabled;
} DRunEntryField;
typedef enum
{
DRUN_MATCH_FIELD_NAME,
DRUN_MATCH_FIELD_GENERIC,
DRUN_MATCH_FIELD_EXEC,
DRUN_MATCH_FIELD_CATEGORIES,
DRUN_MATCH_FIELD_KEYWORDS,
DRUN_MATCH_FIELD_COMMENT,
DRUN_MATCH_NUM_FIELDS,
} DRunMatchingFields;
static DRunEntryField matching_entry_fields[DRUN_MATCH_NUM_FIELDS] = {
{ .entry_field_name = "name", .enabled = TRUE, },
{ .entry_field_name = "generic", .enabled = TRUE, },
{ .entry_field_name = "exec", .enabled = TRUE, },
{ .entry_field_name = "categories", .enabled = TRUE, },
{ .entry_field_name = "keywords", .enabled = TRUE, },
{ .entry_field_name = "comment", .enabled = 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;
};
struct RegexEvalArg
{
DRunModeEntry *e;
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] )
{
// Unsupported
case 'f':
case 'F':
case 'u':
case 'U':
case 'i':
// 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 )
{
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, .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 *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;
}
}
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 *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 );
}
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 ) {
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 ) {
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 ) {
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;
}
if ( config.show_icons ) {
pd->entry_list[pd->cmd_list_length].icon_name = g_key_file_get_locale_string ( kf, DRUN_GROUP_NAME, "Icon", NULL, NULL );
}
else{
pd->entry_list[pd->cmd_list_length].icon_name = 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;
} else if ( da->name == NULL ) {
return -1;
} else if ( db->name == NULL ) {
return 1;
}
return g_utf8_collate ( da->name, db->name );
}
else {
return db->sort_index - da->sort_index;
}
}
/*******************************************
* Cache voodoo *
*******************************************/
#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 ) ) {
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)" );
// 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' ) {
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 = 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 = TRUE;
}
break;
}
else {
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 = 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 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 destkop
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 ();
get_apps ( pd );
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 ( ( 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] ) );
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 ) {
// Possitive 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 );
}
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_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 );
*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 );
g_return_val_if_fail ( pd->entry_list != NULL, NULL );
DRunModeEntry *dr = &( pd->entry_list[selected_line] );
if ( dr->icon_name == NULL ) {
return NULL;
}
if ( dr->icon_fetch_uid > 0 ) {
return rofi_icon_fetcher_get ( dr->icon_fetch_uid );
}
dr->icon_fetch_uid = rofi_icon_fetcher_query ( dr->icon_name, height );
return rofi_icon_fetcher_get ( dr->icon_fetch_uid );
}
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 );
}
else {
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 );
int match = 1;
if ( tokens ) {
for ( int j = 0; match && tokens != NULL && 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 ) {
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 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 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 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 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 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 );
return pd->cmd_list_length;
}
#include "mode-private.h"
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_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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