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/*
* This file is part of the XForms library package.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file goodie_input.c
*
* This file is part of the XForms library package.
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "include/forms.h"
#include "flinternal.h"
#include <stdlib.h>
typedef struct
{
FL_FORM * form;
FL_OBJECT * input;
FL_OBJECT * cancel;
FL_OBJECT * clear;
FL_OBJECT * ok;
} FD_input;
/***************************************
* Callback for "Clear" button
***************************************/
static void
clear_cb( FL_OBJECT * ob,
long data FL_UNUSED_ARG )
{
fl_set_input( ( ( FD_input * ) ob->form->fdui )->input, "" );
}
/***************************************
***************************************/
static FD_input *
create_form_input( const char *str1,
const char *defstr )
{
FL_OBJECT *obj;
FD_input *fdui = fl_calloc( 1, sizeof *fdui );
int oldy = fli_inverted_y;
int oldu = fl_get_coordunit( );
fli_inverted_y = 0;
fl_set_coordunit( FL_COORD_PIXEL );
fdui->form = fl_bgn_form( FL_FLAT_BOX, 410, 120 );
fl_set_form_title( fdui->form, "Input" );
fl_add_frame( FL_ENGRAVED_FRAME, 8, 9, 394, 67, "" );
fdui->input = obj = fl_add_input( FL_NORMAL_INPUT, 20, 33, 370, 30, str1 );
fl_set_object_lalign( obj, FL_ALIGN_LEFT_TOP );
fl_set_input( obj, defstr );
fdui->cancel = obj = fl_add_button( FL_NORMAL_BUTTON, 30, 85, 80, 26,
"Cancel" );
fli_parse_goodies_label( obj, FLInputCancelLabel );
fl_set_button_shortcut( obj, "^[", 1 );
fdui->clear = obj = fl_add_button( FL_NORMAL_BUTTON, 300, 85, 80, 26,
"Clear" );
fli_parse_goodies_label( obj, FLInputClearLabel );
fl_set_object_callback( obj, clear_cb, 0 );
fdui->ok = obj = fl_add_button( FL_RETURN_BUTTON, 165, 85, 80, 26, "Ok" );
fli_parse_goodies_label( obj, FLOKLabel );
fl_end_form( );
fl_adjust_form_size( fdui->form );
fdui->form->fdui = fdui;
fl_set_form_hotobject( fdui->form, fdui->ok );
fl_set_form_atclose( fdui->form, fl_goodies_atclose, fdui->ok );
fl_register_raw_callback( fdui->form, FL_ALL_EVENT,
fli_goodies_preemptive );
fli_handle_goodie_font( fdui->ok, fdui->input );
fli_handle_goodie_font( fdui->cancel, fdui->clear );
fli_get_goodie_title( fdui->form, FLInputTitle );
fli_inverted_y = oldy;
fl_set_coordunit( oldu );
return fdui;
}
static FD_input *fd_input = NULL;
static char *ret_str = NULL;
/***************************************
* Asks the user for textual input
***************************************/
const char *
fl_show_input( const char *str1,
const char *defstr )
{
FL_OBJECT *retobj;
if ( fd_input )
{
fl_hide_form( fd_input->form );
fl_free_form( fd_input->form );
fli_safe_free( fd_input );
}
else
fl_deactivate_all_forms( );
fli_safe_free( ret_str );
fd_input = create_form_input( str1, defstr );
fl_show_form( fd_input->form, FL_PLACE_HOTSPOT, FL_TRANSIENT,
fd_input->form->label );
fl_update_display( 0 );
/* Grab keyboard focus */
fl_winfocus( fd_input->form->window );
while ( ( retobj = fl_do_only_forms( ) ) != fd_input->ok
&& retobj != fd_input->cancel )
/* empty */ ;
if ( retobj == fd_input->ok )
ret_str = fl_strdup( fl_get_input( fd_input->input ) );
fl_hide_form( fd_input->form );
fl_free_form( fd_input->form );
fli_safe_free( fd_input );
fl_activate_all_forms( );
return ret_str;
}
/***************************************
***************************************/
void
fl_hide_input( void )
{
if ( fd_input )
fl_trigger_object( fd_input->cancel );
else
M_warn( "fl_hide_input", "No input box is shown" );
}
/***************************************
***************************************/
void
fli_input_cleanup( void )
{
fli_safe_free( fd_input );
fli_safe_free( ret_str );
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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