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rofi/source/dialogs/dmenu-dialog.c
2015-02-12 22:34:06 +01:00

112 lines
3.5 KiB
C

/**
* rofi
*
* MIT/X11 License
* Copyright 2013-2015 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.
*
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <string.h>
#include <ctype.h>
#include "rofi.h"
#include "dialogs/dmenu-dialog.h"
#include "helper.h"
char *dmenu_prompt = "dmenu ";
int dmenu_selected_line = 0;
static char **get_dmenu ( int *length )
{
char buffer[1024];
char **retv = NULL;
*length = 0;
while ( fgets_s ( buffer, 1024, stdin, (char) config.separator ) != NULL ) {
retv = g_realloc ( retv, ( ( *length ) + 2 ) * sizeof ( char* ) );
retv[( *length )] = g_strdup ( buffer );
retv[( *length ) + 1] = NULL;
// Filter out line-end.
if ( retv[( *length )][strlen ( buffer ) - 1] == '\n' ) {
retv[( *length )][strlen ( buffer ) - 1] = '\0';
}
( *length )++;
// Stop when we hit 2³¹ entries.
if ( ( *length ) == INT_MAX ) {
return retv;
}
}
return retv;
}
int dmenu_switcher_dialog ( char **input )
{
int selected_line = dmenu_selected_line;
int retv = FALSE;
int length = 0;
char **list = get_dmenu ( &length );
int restart = FALSE;
do {
int shift = 0;
int mretv = menu ( list, length, input, dmenu_prompt, NULL, &shift,
token_match, NULL, &selected_line, FALSE );
// We normally do not want to restart the loop.
restart = FALSE;
if ( mretv == MENU_OK && list[selected_line] != NULL ) {
fputs ( list[selected_line], stdout );
fputc ( '\n', stdout );
fflush ( stdout );
if ( shift ) {
restart = TRUE;
// Move to next line.
selected_line = MIN ( selected_line + 1, length - 1 );
}
retv = TRUE;
}
else if ( mretv == MENU_CUSTOM_INPUT && *input != NULL && *input[0] != '\0' ) {
fputs ( *input, stdout );
fputc ( '\n', stdout );
fflush ( stdout );
if ( shift ) {
restart = TRUE;
// Move to next line.
selected_line = MIN ( selected_line + 1, length - 1 );
}
retv = TRUE;
}
} while ( restart );
g_strfreev ( list );
return retv;
}