/**
* @param cmd The cmd to execute
* @param run_in_term Indicate if command should be run in a terminal
*
* Execute command.
*
* @returns FALSE On failure, TRUE on success
*/
static inline int execsh ( const char *cmd, int run_in_term )
{
int retv = TRUE;
char **args = NULL;
int argc = 0;
if ( run_in_term ) {
helper_parse_setup ( config.run_shell_command, &args, &argc, "{cmd}", cmd, NULL );
}
else {
helper_parse_setup ( config.run_command, &args, &argc, "{cmd}", cmd, NULL );
}
GError *error = NULL;
g_spawn_async ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &error );
if ( error != NULL ) {
char *msg = g_strdup_printf ( "Failed to execute: '%s'\nError: '%s'", cmd, error->message );
rofi_view_error_dialog ( msg, FALSE );
g_free ( msg );
// print error.
g_error_free ( error );
retv = FALSE;
}
// Free the args list.
g_strfreev ( args );
return retv;
}
int show_error_message ( const char *msg, int markup )
{
int pfd = setup ();
if ( pfd < 0 ) {
return FALSE;
}
return rofi_view_error_dialog ( msg, markup );
}
int helper_parse_setup ( char * string, char ***output, int *length, ... )
{
GError *error = NULL;
GHashTable *h;
h = g_hash_table_new ( g_str_hash, g_str_equal );
// By default, we insert terminal and ssh-client
g_hash_table_insert ( h, "{terminal}", config.terminal_emulator );
g_hash_table_insert ( h, "{ssh-client}", config.ssh_client );
// Add list from variable arguments.
va_list ap;
va_start ( ap, length );
while ( 1 ) {
char * key = va_arg ( ap, char * );
if ( key == NULL ) {
break;
}
char *value = va_arg ( ap, char * );
if ( value == NULL ) {
break;
}
g_hash_table_insert ( h, key, value );
}
va_end ( ap );
// Replace hits within {-\w+}.
GRegex *reg = g_regex_new ( "{[-\\w]+}", 0, 0, NULL );
char *res = g_regex_replace_eval ( reg, string, -1, 0, 0, helper_eval_cb, h, NULL );
// Free regex.
g_regex_unref ( reg );
// Destroy key-value storage.
g_hash_table_destroy ( h );
// Parse the string into shell arguments.
if ( g_shell_parse_argv ( res, length, output, &error ) ) {
g_free ( res );
return TRUE;
}
g_free ( res );
// Throw error if shell parsing fails.
if ( error ) {
char *msg = g_strdup_printf ( "Failed to parse: '%s'\nError: '%s'", string, error->message );
rofi_view_error_dialog ( msg, FALSE );
g_free ( msg );
// print error.
g_error_free ( error );
}
return FALSE;
}
static void run_switcher ( ModeMode mode )
{
pfd = setup ();
if ( pfd < 0 ) {
return;
}
// Otherwise check if requested mode is enabled.
for ( unsigned int i = 0; i < num_modi; i++ ) {
if ( !mode_init ( modi[i] ) ) {
rofi_view_error_dialog ( ERROR_MSG ( "Failed to initialize all the modi." ), ERROR_MSG_MARKUP );
teardown ( pfd );
return;
}
}
char *input = g_strdup ( config.filter );
__run_switcher_internal ( mode, input );
g_free ( input );
}
int execute_generator ( const char * cmd )
{
char **args = NULL;
int argv = 0;
helper_parse_setup ( config.run_command, &args, &argv, "{cmd}", cmd, NULL );
int fd = -1;
GError *error = NULL;
g_spawn_async_with_pipes ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL, &fd, NULL, &error );
if ( error != NULL ) {
char *msg = g_strdup_printf ( "Failed to execute: '%s'\nError: '%s'", cmd, error->message );
fputs ( msg, stderr );
fputs ( "\n", stderr );
rofi_view_error_dialog ( msg, FALSE );
g_free ( msg );
// print error.
g_error_free ( error );
fd = -1;
}
g_strfreev ( args );
return fd;
}
/**
* @param host The host to connect too
*
* SSH into the selected host.
*
* @returns FALSE On failure, TRUE on success
*/
static inline int execshssh ( const char *host )
{
char **args = NULL;
int argsv = 0;
helper_parse_setup ( config.ssh_command, &args, &argsv, "{host}", host, NULL );
GError *error = NULL;
g_spawn_async ( NULL, args, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, &error );
if ( error != NULL ) {
char *msg = g_strdup_printf ( "Failed to execute: 'ssh %s'\nError: '%s'", host, error->message );
rofi_view_error_dialog ( msg, FALSE );
g_free ( msg );
// print error.
g_error_free ( error );
g_strfreev ( args );
return FALSE;
}
// Free the args list.
g_strfreev ( args );
return TRUE;
}
/**
* Do some input validation, especially the first few could break things.
* It is good to catch them beforehand.
*
* This functions exits the program with 1 when it finds an invalid configuration.
*/
int config_sanity_check ( void )
{
int found_error = FALSE;
GString *msg = g_string_new (
"<big><b>The configuration failed to validate:</b></big>\n" );
if ( config.element_height < 1 ) {
g_string_append_printf ( msg, "\t<b>config.element_height</b>=%d is invalid. An element needs to be atleast 1 line high.\n",
config.element_height );
config.element_height = 1;
found_error = TRUE;
}
if ( config.menu_columns == 0 ) {
g_string_append_printf ( msg, "\t<b>config.menu_columns</b>=%d is invalid. You need at least one visible column.\n",
config.menu_columns );
config.menu_columns = 1;
found_error = TRUE;
}
if ( config.menu_width == 0 ) {
g_string_append_printf ( msg, "<b>config.menu_width</b>=0 is invalid. You cannot have a window with no width." );
config.menu_columns = 50;
found_error = TRUE;
}
if ( !( config.location >= WL_CENTER && config.location <= WL_WEST ) ) {
g_string_append_printf ( msg, "\t<b>config.location</b>=%d is invalid. Value should be between %d and %d.\n",
config.location, WL_CENTER, WL_WEST );
config.location = WL_CENTER;
found_error = 1;
}
// Check size
{
int ssize = monitor_get_smallest_size ( );
if ( config.monitor >= 0 ) {
workarea mon;
if ( monitor_get_dimension ( config.monitor, &mon ) ) {
ssize = MIN ( mon.w, mon.h );
}
else{
g_string_append_printf ( msg, "\t<b>config.monitor</b>=%d Could not find monitor.\n", config.monitor );
ssize = 0;
}
}
// Have todo an estimate here.
if ( ( 2 * ( config.padding + config.menu_bw ) ) > ( 0.9 * ssize ) ) {
g_string_append_printf ( msg, "\t<b>config.padding+config.menu_bw</b>=%d is too big for the minimum size of the monitor: %d.\n",
( config.padding + config.menu_bw ), ssize );
config.padding = 0;
config.menu_bw = 0;
found_error = TRUE;
}
}
if ( config.menu_font ) {
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
const char *fam = pango_font_description_get_family ( pfd );
int size = pango_font_description_get_size ( pfd );
if ( fam == NULL || size == 0 ) {
g_string_append_printf ( msg, "Pango failed to parse font: '%s'\n", config.menu_font );
g_string_append_printf ( msg, "Got font family: <b>%s</b> at size <b>%d</b>\n", fam ? fam : "{unknown}", size );
config.menu_font = NULL;
found_error = TRUE;
}
pango_font_description_free ( pfd );
}
if ( config.monitor == -3 ) {
// On -3, set to location 1.
config.location = 1;
config.fullscreen = 0;
}
if ( found_error ) {
g_string_append ( msg, "Please update your configuration." );
rofi_view_error_dialog ( msg->str, TRUE );
return TRUE;
}
g_string_free ( msg, TRUE );
return FALSE;
}
static int dmenu_mode_init ( Mode *sw )
{
if ( mode_get_private_data ( sw ) != NULL ) {
return TRUE;
}
mode_set_private_data ( sw, g_malloc0 ( sizeof ( DmenuModePrivateData ) ) );
DmenuModePrivateData *pd = (DmenuModePrivateData *) mode_get_private_data ( sw );
pd->prompt = "dmenu ";
pd->separator = '\n';
pd->selected_line = UINT32_MAX;
find_arg_str ( "-mesg", &( pd->message ) );
// Input data separator.
find_arg_char ( "-sep", &( pd->separator ) );
// Check prompt
find_arg_str ( "-p", &( pd->prompt ) );
find_arg_uint ( "-selected-row", &( pd->selected_line ) );
// By default we print the unescaped line back.
pd->format = "s";
// Allow user to override the output format.
find_arg_str ( "-format", &( pd->format ) );
// Urgent.
char *str = NULL;
find_arg_str ( "-u", &str );
if ( str != NULL ) {
parse_ranges ( str, &( pd->urgent_list ), &( pd->num_urgent_list ) );
}
// Active
str = NULL;
find_arg_str ( "-a", &str );
if ( str != NULL ) {
parse_ranges ( str, &( pd->active_list ), &( pd->num_active_list ) );
}
// DMENU COMPATIBILITY
find_arg_uint ( "-l", &( config.menu_lines ) );
/**
* Dmenu compatibility.
* `-b` put on bottom.
*/
if ( find_arg ( "-b" ) >= 0 ) {
config.location = 6;
}
/* -i case insensitive */
config.case_sensitive = TRUE;
if ( find_arg ( "-i" ) >= 0 ) {
config.case_sensitive = FALSE;
}
FILE *fd = NULL;
str = NULL;
if ( find_arg_str ( "-input", &str ) ) {
char *estr = rofi_expand_path ( str );
fd = fopen ( str, "r" );
if ( fd == NULL ) {
char *msg = g_markup_printf_escaped ( "Failed to open file: <b>%s</b>:\n\t<i>%s</i>", estr, strerror ( errno ) );
rofi_view_error_dialog ( msg, TRUE );
g_free ( msg );
g_free ( estr );
return TRUE;
}
g_free ( estr );
}
pd->cmd_list = get_dmenu ( pd, fd == NULL ? stdin : fd, &( pd->cmd_list_length ) );
if ( fd != NULL ) {
fclose ( fd );
}
return TRUE;
}
int show_error_message ( const char *msg, int markup )
{
rofi_view_error_dialog ( msg, markup );
return 0;
}
// convert a Mod+key arg to mod mask and keysym
gboolean x11_parse_key ( char *combo, unsigned int *mod, xkb_keysym_t *key )
{
GString *str = g_string_new ( "" );
unsigned int modmask = 0;
if ( strcasestr ( combo, "shift" ) ) {
modmask |= x11_mod_masks[X11MOD_SHIFT];
if ( x11_mod_masks[X11MOD_SHIFT] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Shift</b> key.\n" );
}
}
if ( strcasestr ( combo, "control" ) ) {
modmask |= x11_mod_masks[X11MOD_CONTROL];
if ( x11_mod_masks[X11MOD_CONTROL] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Control</b> key.\n" );
}
}
if ( strcasestr ( combo, "alt" ) ) {
modmask |= x11_mod_masks[X11MOD_ALT];
if ( x11_mod_masks[X11MOD_ALT] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Alt</b> key.\n" );
}
}
if ( strcasestr ( combo, "super" ) ) {
modmask |= x11_mod_masks[X11MOD_SUPER];
if ( x11_mod_masks[X11MOD_SUPER] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Super</b> key.\n" );
}
}
if ( strcasestr ( combo, "meta" ) ) {
modmask |= x11_mod_masks[X11MOD_META];
if ( x11_mod_masks[X11MOD_META] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Meta</b> key.\n" );
}
}
if ( strcasestr ( combo, "hyper" ) ) {
modmask |= x11_mod_masks[X11MOD_HYPER];
if ( x11_mod_masks[X11MOD_HYPER] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Hyper</b> key.\n" );
}
}
int seen_mod = FALSE;
if ( strcasestr ( combo, "Mod" ) ) {
seen_mod = TRUE;
}
*mod = modmask;
// Skip modifier (if exist) and parse key.
char i = strlen ( combo );
while ( i > 0 && !strchr ( "-+", combo[i - 1] ) ) {
i--;
}
xkb_keysym_t sym = XKB_KEY_NoSymbol;
if ( ( modmask & x11_mod_masks[X11MOD_SHIFT] ) != 0 ) {
gchar * str = g_utf8_next_char ( combo + i );
// If it is a single char, we make a capital out of it.
if ( str != NULL && *str == '\0' ) {
int l = 0;
char buff[8];
gunichar v = g_utf8_get_char ( combo + i );
gunichar u = g_unichar_toupper ( v );
if ( ( l = g_unichar_to_utf8 ( u, buff ) ) ) {
buff[l] = '\0';
sym = xkb_keysym_from_name ( buff, XKB_KEYSYM_NO_FLAGS );
}
}
}
if ( sym == XKB_KEY_NoSymbol ) {
sym = xkb_keysym_from_name ( combo + i, XKB_KEYSYM_CASE_INSENSITIVE );
}
if ( sym == XKB_KEY_NoSymbol || ( !modmask && ( strchr ( combo, '-' ) || strchr ( combo, '+' ) ) ) ) {
g_string_append_printf ( str, "Sorry, rofi cannot understand the key combination: <i>%s</i>\n", combo );
g_string_append ( str, "\nRofi supports the following modifiers:\n\t" );
g_string_append ( str, "<i>Shift,Control,Alt,Super,Meta,Hyper</i>" );
if ( seen_mod ) {
g_string_append ( str, "\n\n<b>Mod1,Mod2,Mod3,Mod4,Mod5 are no longer supported, use one of the above.</b>" );
}
}
if ( str->len > 0 ) {
rofi_view_error_dialog ( str->str, TRUE );
g_string_free ( str, TRUE );
return FALSE;
}
g_string_free ( str, TRUE );
*key = sym;
return TRUE;
}
