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rofi/source/dialogs/dmenu.c
Quentin Glidic 9a68b22009
Fix licenses headers 
Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
2017-04-15 12:32:05 +02:00

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/*
* rofi
*
* MIT/X11 License
* Copyright © 2013-2017 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.
*
*/
#define G_LOG_DOMAIN "Dialogs.DMenu"
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <string.h>
#include <ctype.h>
#include <stdint.h>
#include <errno.h>
#include <gio/gio.h>
#include <gio/gunixinputstream.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "rofi.h"
#include "settings.h"
#include "widgets/textbox.h"
#include "dialogs/dmenu.h"
#include "helper.h"
#include "xrmoptions.h"
#include "view.h"
struct range_pair
{
unsigned int start;
unsigned int stop;
};
static inline unsigned int bitget ( uint32_t *array, unsigned int index )
{
uint32_t bit = index % 32;
uint32_t val = array[index / 32];
return ( val >> bit ) & 1;
}
static inline void bittoggle ( uint32_t *array, unsigned int index )
{
uint32_t bit = index % 32;
uint32_t *v = &array[index / 32];
*v ^= 1 << bit;
}
typedef struct
{
/** Settings */
// Separator.
char separator;
unsigned int selected_line;
char *message;
char *format;
struct range_pair * urgent_list;
unsigned int num_urgent_list;
struct range_pair * active_list;
unsigned int num_active_list;
uint32_t *selected_list;
unsigned int num_selected_list;
unsigned int do_markup;
// List with entries.
char **cmd_list;
unsigned int cmd_list_real_length;
unsigned int cmd_list_length;
unsigned int only_selected;
unsigned int selected_count;
gchar **columns;
gchar *column_separator;
gboolean multi_select;
GCancellable *cancel;
gulong cancel_source;
GInputStream *input_stream;
GDataInputStream *data_input_stream;
} DmenuModePrivateData;
static void async_close_callback ( GObject *source_object, GAsyncResult *res, G_GNUC_UNUSED gpointer user_data )
{
g_input_stream_close_finish ( G_INPUT_STREAM ( source_object ), res, NULL );
g_debug ( "Closing data stream." );
}
static void read_add ( DmenuModePrivateData * pd, char *data, gsize len )
{
if ( ( pd->cmd_list_length + 2 ) > pd->cmd_list_real_length ) {
pd->cmd_list_real_length = MAX ( pd->cmd_list_real_length * 2, 512 );
pd->cmd_list = g_realloc ( pd->cmd_list, ( pd->cmd_list_real_length ) * sizeof ( char* ) );
}
char *utfstr = rofi_force_utf8 ( data, len );
pd->cmd_list[pd->cmd_list_length] = utfstr;
pd->cmd_list[pd->cmd_list_length + 1] = NULL;
pd->cmd_list_length++;
}
static void async_read_callback ( GObject *source_object, GAsyncResult *res, gpointer user_data )
{
GDataInputStream *stream = (GDataInputStream *) source_object;
DmenuModePrivateData *pd = (DmenuModePrivateData *) user_data;
gsize len;
char *data = g_data_input_stream_read_upto_finish ( stream, res, &len, NULL );
if ( data != NULL ) {
// Absorb separator, already in buffer so should not block.
g_data_input_stream_read_byte ( stream, NULL, NULL );
read_add ( pd, data, len );
g_free ( data );
rofi_view_reload ();
g_data_input_stream_read_upto_async ( pd->data_input_stream, &( pd->separator ), 1, G_PRIORITY_LOW, pd->cancel,
async_read_callback, pd );
return;
}
else {
GError *error = NULL;
// Absorb separator, already in buffer so should not block.
// If error == NULL end of stream..
g_data_input_stream_read_byte ( stream, NULL, &error );
if ( error == NULL ) {
// Add empty line.
read_add ( pd, "", 0 );
rofi_view_reload ();
g_data_input_stream_read_upto_async ( pd->data_input_stream, &( pd->separator ), 1, G_PRIORITY_LOW, pd->cancel,
async_read_callback, pd );
return;
}
else {
g_error_free ( error );
}
}
if ( !g_cancellable_is_cancelled ( pd->cancel ) ) {
// Hack, don't use get active.
g_debug ( "Clearing overlay" );
rofi_view_set_overlay ( rofi_view_get_active (), NULL );
g_input_stream_close_async ( G_INPUT_STREAM ( stream ), G_PRIORITY_LOW, pd->cancel, async_close_callback, pd );
}
}
static void async_read_cancel ( G_GNUC_UNUSED GCancellable *cancel, G_GNUC_UNUSED gpointer data )
{
g_debug ( "Cancelled the async read." );
}
static int get_dmenu_async ( DmenuModePrivateData *pd, int sync_pre_read )
{
while ( sync_pre_read-- ) {
gsize len = 0;
char *data = g_data_input_stream_read_upto ( pd->data_input_stream, &( pd->separator ), 1, &len, NULL, NULL );
if ( data == NULL ) {
g_input_stream_close_async ( G_INPUT_STREAM ( pd->input_stream ), G_PRIORITY_LOW, pd->cancel, async_close_callback, pd );
return FALSE;
}
g_data_input_stream_read_byte ( pd->data_input_stream, NULL, NULL );
read_add ( pd, data, len );
g_free ( data );
}
g_data_input_stream_read_upto_async ( pd->data_input_stream, &( pd->separator ), 1, G_PRIORITY_LOW, pd->cancel,
async_read_callback, pd );
return TRUE;
}
static void get_dmenu_sync ( DmenuModePrivateData *pd )
{
while ( TRUE ) {
gsize len = 0;
char *data = g_data_input_stream_read_upto ( pd->data_input_stream, &( pd->separator ), 1, &len, NULL, NULL );
if ( data == NULL ) {
break;
}
g_data_input_stream_read_byte ( pd->data_input_stream, NULL, NULL );
read_add ( pd, data, len );
g_free ( data );
}
g_input_stream_close_async ( G_INPUT_STREAM ( pd->input_stream ), G_PRIORITY_LOW, pd->cancel, async_close_callback, pd );
}
static unsigned int dmenu_mode_get_num_entries ( const Mode *sw )
{
const DmenuModePrivateData *rmpd = (const DmenuModePrivateData *) mode_get_private_data ( sw );
return rmpd->cmd_list_length;
}
static void parse_pair ( char *input, struct range_pair *item )
{
int index = 0;
const char * const sep = "-";
for ( char *token = strsep ( &input, sep ); token != NULL; token = strsep ( &input, sep ) ) {
if ( index == 0 ) {
item->start = item->stop = (unsigned int) strtoul ( token, NULL, 10 );
index++;
}
else {
if ( token[0] == '\0' ) {
item->stop = 0xFFFFFFFF;
}
else{
item->stop = (unsigned int) strtoul ( token, NULL, 10 );
}
}
}
}
static void parse_ranges ( char *input, struct range_pair **list, unsigned int *length )
{
char *endp;
if ( input == NULL ) {
return;
}
const char *const sep = ",";
for ( char *token = strtok_r ( input, sep, &endp ); token != NULL; token = strtok_r ( NULL, sep, &endp ) ) {
// Make space.
*list = g_realloc ( ( *list ), ( ( *length ) + 1 ) * sizeof ( struct range_pair ) );
// Parse a single pair.
parse_pair ( token, &( ( *list )[*length] ) );
( *length )++;
}
}
static gchar * dmenu_format_output_string ( const DmenuModePrivateData *pd, const char *input )
{
if ( pd->columns == NULL ) {
return g_strdup ( input );
}
char *retv = NULL;
char ** splitted = g_regex_split_simple ( pd->column_separator, input, G_REGEX_CASELESS, 00 );
uint32_t ns = 0;
for (; splitted && splitted[ns]; ns++ ) {
;
}
for ( uint32_t i = 0; pd->columns && pd->columns[i]; i++ ) {
unsigned int index = (unsigned int ) g_ascii_strtoull ( pd->columns[i], NULL, 10 );
if ( index < ns && index > 0 ) {
if ( retv == NULL ) {
retv = g_strdup ( splitted[index - 1] );
}
else {
gchar *t = g_strjoin ( "\t", retv, splitted[index - 1], NULL );
g_free ( retv );
retv = t;
}
}
}
g_strfreev ( splitted );
return retv ? retv : g_strdup ( "" );
}
static char *get_display_data ( const Mode *data, unsigned int index, int *state, G_GNUC_UNUSED GList **list, int get_entry )
{
Mode *sw = (Mode *) data;
DmenuModePrivateData *pd = (DmenuModePrivateData *) mode_get_private_data ( sw );
char **retv = (char * *) pd->cmd_list;
for ( unsigned int i = 0; i < pd->num_active_list; i++ ) {
if ( index >= pd->active_list[i].start && index <= pd->active_list[i].stop ) {
*state |= ACTIVE;
}
}
for ( unsigned int i = 0; i < pd->num_urgent_list; i++ ) {
if ( index >= pd->urgent_list[i].start && index <= pd->urgent_list[i].stop ) {
*state |= URGENT;
}
}
if ( pd->selected_list && bitget ( pd->selected_list, index ) == TRUE ) {
*state |= SELECTED;
}
if ( pd->do_markup ) {
*state |= MARKUP;
}
return get_entry ? dmenu_format_output_string ( pd, retv[index] ) : NULL;
}
/**
* @param format The format string used. See below for possible syntax.
* @param string The selected entry.
* @param selected_line The selected line index.
* @param filter The entered filter.
*
* Function that outputs the selected line in the user-specified format.
* Currently the following formats are supported:
* * i: Print the index (0-(N-1))
* * d: Print the index (1-N)
* * s: Print input string.
* * q: Print quoted input string.
* * f: Print the entered filter.
* * F: Print the entered filter, quoted
*
* This functions outputs the formatted string to stdout, appends a newline (\n) character and
* calls flush on the file descriptor.
*/
static void dmenu_output_formatted_line ( const char *format, const char *string, int selected_line,
const char *filter )
{
for ( int i = 0; format && format[i]; i++ ) {
if ( format[i] == 'i' ) {
fprintf ( stdout, "%d", selected_line );
}
else if ( format[i] == 'd' ) {
fprintf ( stdout, "%d", ( selected_line + 1 ) );
}
else if ( format[i] == 's' ) {
fputs ( string, stdout );
}
else if ( format[i] == 'q' ) {
char *quote = g_shell_quote ( string );
fputs ( quote, stdout );
g_free ( quote );
}
else if ( format[i] == 'f' ) {
if ( filter ) {
fputs ( filter, stdout );
}
}
else if ( format[i] == 'F' ) {
if ( filter ) {
char *quote = g_shell_quote ( filter );
fputs ( quote, stdout );
g_free ( quote );
}
}
else {
fputc ( format[i], stdout );
}
}
fputc ( '\n', stdout );
fflush ( stdout );
}
static void dmenu_mode_free ( Mode *sw )
{
if ( mode_get_private_data ( sw ) == NULL ) {
return;
}
DmenuModePrivateData *pd = (DmenuModePrivateData *) mode_get_private_data ( sw );
if ( pd != NULL ) {
if ( pd->cancel ) {
// If open, cancel reads.
if ( pd->input_stream && !g_input_stream_is_closed ( pd->input_stream ) ) {
g_cancellable_cancel ( pd->cancel );
}
// This blocks until cancel is done.
g_cancellable_disconnect ( pd->cancel, pd->cancel_source );
if ( pd->input_stream ) {
// Should close the stream if not yet done.
g_object_unref ( pd->data_input_stream );
g_object_unref ( pd->input_stream );
}
g_object_unref ( pd->cancel );
}
for ( size_t i = 0; i < pd->cmd_list_length; i++ ) {
if ( pd->cmd_list[i] ) {
free ( pd->cmd_list[i] );
}
}
g_free ( pd->cmd_list );
g_free ( pd->urgent_list );
g_free ( pd->active_list );
g_free ( pd->selected_list );
g_free ( pd );
mode_set_private_data ( sw, NULL );
}
}
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->separator = '\n';
pd->selected_line = UINT32_MAX;
find_arg_str ( "-mesg", &( pd->message ) );
// Input data separator.
find_arg_char ( "-sep", &( pd->separator ) );
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;
}
int fd = STDIN_FILENO;
str = NULL;
if ( find_arg_str ( "-input", &str ) ) {
char *estr = rofi_expand_path ( str );
fd = open ( str, O_RDONLY );
if ( fd < 0 ) {
char *msg = g_markup_printf_escaped ( "Failed to open file: <b>%s</b>:\n\t<i>%s</i>", estr, g_strerror ( errno ) );
rofi_view_error_dialog ( msg, TRUE );
g_free ( msg );
g_free ( estr );
return TRUE;
}
g_free ( estr );
}
pd->cancel = g_cancellable_new ();
pd->cancel_source = g_cancellable_connect ( pd->cancel, G_CALLBACK ( async_read_cancel ), pd, NULL );
pd->input_stream = g_unix_input_stream_new ( fd, fd != STDIN_FILENO );
pd->data_input_stream = g_data_input_stream_new ( pd->input_stream );
gchar *columns = NULL;
if ( find_arg_str ( "-display-columns", &columns ) ) {
pd->columns = g_strsplit ( columns, ",", 0 );
pd->column_separator = "\t";
find_arg_str ( "-display-column-separator", &pd->column_separator );
}
return TRUE;
}
static int dmenu_token_match ( const Mode *sw, GRegex **tokens, unsigned int index )
{
DmenuModePrivateData *rmpd = (DmenuModePrivateData *) mode_get_private_data ( sw );
return helper_token_match ( tokens, rmpd->cmd_list[index] );
}
static char *dmenu_get_message ( const Mode *sw )
{
DmenuModePrivateData *pd = (DmenuModePrivateData *) mode_get_private_data ( sw );
if ( pd->message ) {
return g_strdup ( pd->message );
}
return NULL;
}
#include "mode-private.h"
/** dmenu Mode object. */
Mode dmenu_mode =
{
.name = "dmenu",
.cfg_name_key = "display-combi",
._init = dmenu_mode_init,
._get_num_entries = dmenu_mode_get_num_entries,
._result = NULL,
._destroy = dmenu_mode_free,
._token_match = dmenu_token_match,
._get_display_value = get_display_data,
._get_completion = NULL,
._preprocess_input = NULL,
._get_message = dmenu_get_message,
.private_data = NULL,
.free = NULL,
.display_name = "dmenu:"
};
static void dmenu_finish ( RofiViewState *state, int retv )
{
if ( retv == FALSE ) {
rofi_set_return_code ( EXIT_FAILURE );
}
else if ( retv >= 10 ) {
rofi_set_return_code ( retv );
}
else{
rofi_set_return_code ( EXIT_SUCCESS );
}
rofi_view_set_active ( NULL );
rofi_view_free ( state );
mode_destroy ( &dmenu_mode );
}
static void dmenu_print_results ( DmenuModePrivateData *pd, const char *input )
{
char **cmd_list = pd->cmd_list;
int seen = FALSE;
if ( pd->selected_list != NULL ) {
for ( unsigned int st = 0; st < pd->cmd_list_length; st++ ) {
if ( bitget ( pd->selected_list, st ) ) {
seen = TRUE;
dmenu_output_formatted_line ( pd->format, cmd_list[st], st, input );
}
}
}
if ( !seen ) {
const char *cmd = input;
if ( pd->selected_line != UINT32_MAX ) {
cmd = cmd_list[pd->selected_line];
}
dmenu_output_formatted_line ( pd->format, cmd, pd->selected_line, input );
}
}
static void dmenu_finalize ( RofiViewState *state )
{
int retv = FALSE;
DmenuModePrivateData *pd = (DmenuModePrivateData *) rofi_view_get_mode ( state )->private_data;
unsigned int cmd_list_length = pd->cmd_list_length;
char **cmd_list = pd->cmd_list;
char *input = g_strdup ( rofi_view_get_user_input ( state ) );
pd->selected_line = rofi_view_get_selected_line ( state );;
MenuReturn mretv = rofi_view_get_return_value ( state );
unsigned int next_pos = rofi_view_get_next_position ( state );
int restart = 0;
// Special behavior.
if ( pd->only_selected ) {
/**
* Select item mode.
*/
restart = 1;
// Skip if no valid item is selected.
if ( ( mretv & MENU_CANCEL ) == MENU_CANCEL ) {
// In no custom mode we allow canceling.
restart = ( find_arg ( "-only-match" ) >= 0 );
}
else if ( pd->selected_line != UINT32_MAX ) {
if ( ( mretv & ( MENU_OK | MENU_QUICK_SWITCH ) ) && cmd_list[pd->selected_line] != NULL ) {
dmenu_print_results ( pd, input );
retv = TRUE;
if ( ( mretv & MENU_QUICK_SWITCH ) ) {
retv = 10 + ( mretv & MENU_LOWER_MASK );
}
g_free ( input );
dmenu_finish ( state, retv );
return;
}
pd->selected_line = next_pos - 1;
}
// Restart
rofi_view_restart ( state );
rofi_view_set_selected_line ( state, pd->selected_line );
if ( !restart ) {
dmenu_finish ( state, retv );
}
return;
}
// We normally do not want to restart the loop.
restart = FALSE;
// Normal mode
if ( ( mretv & MENU_OK ) && pd->selected_line != UINT32_MAX && cmd_list[pd->selected_line] != NULL ) {
if ( ( mretv & MENU_CUSTOM_ACTION ) && pd->multi_select ) {
restart = TRUE;
if ( pd->selected_list == NULL ) {
pd->selected_list = g_malloc0 ( sizeof ( uint32_t ) * ( pd->cmd_list_length / 32 + 1 ) );
}
pd->selected_count += ( bitget ( pd->selected_list, pd->selected_line ) ? ( -1 ) : ( 1 ) );
bittoggle ( pd->selected_list, pd->selected_line );
// Move to next line.
pd->selected_line = MIN ( next_pos, cmd_list_length - 1 );
if ( pd->selected_count > 0 ) {
char *str = g_strdup_printf ( "%u/%u", pd->selected_count, pd->cmd_list_length );
rofi_view_set_overlay ( state, str );
g_free ( str );
}
else {
rofi_view_set_overlay ( state, NULL );
}
}
else {
dmenu_print_results ( pd, input );
}
retv = TRUE;
}
// Custom input
else if ( ( mretv & ( MENU_CUSTOM_INPUT ) ) ) {
dmenu_print_results ( pd, input );
retv = TRUE;
}
// Quick switch with entry selected.
else if ( ( mretv & MENU_QUICK_SWITCH ) ) {
dmenu_print_results ( pd, input );
restart = FALSE;
retv = 10 + ( mretv & MENU_LOWER_MASK );
}
g_free ( input );
if ( restart ) {
rofi_view_restart ( state );
rofi_view_set_selected_line ( state, pd->selected_line );
}
else {
dmenu_finish ( state, retv );
}
}
int dmenu_switcher_dialog ( void )
{
mode_init ( &dmenu_mode );
MenuFlags menu_flags = MENU_NORMAL;
DmenuModePrivateData *pd = (DmenuModePrivateData *) dmenu_mode.private_data;
int async = TRUE;
// For now these only work in sync mode.
if ( find_arg ( "-sync" ) >= 0 || find_arg ( "-dump" ) >= 0 || find_arg ( "-select" ) >= 0
|| find_arg ( "-no-custom" ) >= 0 || find_arg ( "-only-match" ) >= 0 || config.auto_select ||
find_arg ( "-selected-row" ) >= 0 ) {
async = FALSE;
}
if ( async ) {
unsigned int pre_read = 25;
find_arg_uint ( "-async-pre-read", &pre_read );
async = get_dmenu_async ( pd, pre_read );
}
else {
get_dmenu_sync ( pd );
}
char *input = NULL;
unsigned int cmd_list_length = pd->cmd_list_length;
char **cmd_list = pd->cmd_list;
pd->only_selected = FALSE;
pd->multi_select = FALSE;
if ( find_arg ( "-multi-select" ) >= 0 ) {
menu_flags = MENU_INDICATOR;
pd->multi_select = TRUE;
}
if ( find_arg ( "-markup-rows" ) >= 0 ) {
pd->do_markup = TRUE;
}
if ( find_arg ( "-only-match" ) >= 0 || find_arg ( "-no-custom" ) >= 0 ) {
pd->only_selected = TRUE;
if ( cmd_list_length == 0 ) {
return TRUE;
}
}
if ( config.auto_select && cmd_list_length == 1 ) {
dmenu_output_formatted_line ( pd->format, cmd_list[0], 0, config.filter );
return TRUE;
}
if ( find_arg ( "-password" ) >= 0 ) {
menu_flags |= MENU_PASSWORD;
}
/* copy filter string */
input = g_strdup ( config.filter );
char *select = NULL;
find_arg_str ( "-select", &select );
if ( select != NULL ) {
GRegex **tokens = tokenize ( select, config.case_sensitive );
unsigned int i = 0;
for ( i = 0; i < cmd_list_length; i++ ) {
if ( helper_token_match ( tokens, cmd_list[i] ) ) {
pd->selected_line = i;
break;
}
}
tokenize_free ( tokens );
}
if ( find_arg ( "-dump" ) >= 0 ) {
GRegex **tokens = tokenize ( config.filter ? config.filter : "", config.case_sensitive );
unsigned int i = 0;
for ( i = 0; i < cmd_list_length; i++ ) {
if ( tokens == NULL || helper_token_match ( tokens, cmd_list[i] ) ) {
dmenu_output_formatted_line ( pd->format, cmd_list[i], i, config.filter );
}
}
tokenize_free ( tokens );
dmenu_mode_free ( &dmenu_mode );
g_free ( input );
return TRUE;
}
find_arg_str ( "-p", &( dmenu_mode.display_name ) );
RofiViewState *state = rofi_view_create ( &dmenu_mode, input, menu_flags, dmenu_finalize );
// @TODO we should do this better.
if ( async ) {
rofi_view_set_overlay ( state, "Loading.. " );
}
rofi_view_set_selected_line ( state, pd->selected_line );
rofi_view_set_active ( state );
return FALSE;
}
void print_dmenu_options ( void )
{
int is_term = isatty ( fileno ( stdout ) );
print_help_msg ( "-mesg", "[string]", "Print a small user message under the prompt (uses pango markup)", NULL, is_term );
print_help_msg ( "-p", "[string]", "Prompt to display left of entry field", NULL, is_term );
print_help_msg ( "-selected-row", "[integer]", "Select row", NULL, is_term );
print_help_msg ( "-format", "[string]", "Output format string", "s", is_term );
print_help_msg ( "-u", "[list]", "List of row indexes to mark urgent", NULL, is_term );
print_help_msg ( "-a", "[list]", "List of row indexes to mark active", NULL, is_term );
print_help_msg ( "-l", "[integer] ", "Number of rows to display", NULL, is_term );
print_help_msg ( "-i", "", "Set filter to be case insensitive", NULL, is_term );
print_help_msg ( "-only-match", "", "Force selection or custom entry", NULL, is_term );
print_help_msg ( "-no-custom", "", "Don't accept custom entry", NULL, is_term );
print_help_msg ( "-select", "[string]", "Select the first row that matches", NULL, is_term );
print_help_msg ( "-password", "", "Do not show what the user inputs. Show '*' instead.", NULL, is_term );
print_help_msg ( "-markup-rows", "", "Allow and render pango markup as input data.", NULL, is_term );
print_help_msg ( "-sep", "[char]", "Element separator.", "'\\n'", is_term );
print_help_msg ( "-input", "[filename]", "Read input from file instead from standard input.", NULL, is_term );
print_help_msg ( "-sync", "", "Force dmenu to first read all input data, then show dialog.", NULL, is_term );
print_help_msg ( "-async-pre-read", "[number]", "Read several entries blocking before switching to async mode", "25", is_term );
}
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