/*
 *  This file is part of XForms.
 *
 *  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; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
 *  MA 02111-1307, USA.
 */


/* Demo: complete pop-ups.
 * test font/cursor change
 * test attaching pup to menu
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "include/forms.h"
#include <stdlib.h>

FL_FORM *pup;

FL_OBJECT *done,
          *pret,
          *b1,
          *b2,
          *b3,
          *menu;

void create_form_pup( void );

void init_menu( void );

int post( FL_OBJECT *, 
		  int,
		  FL_Coord,
		  FL_Coord,
		  int,
		  void * );


/***************************************
 ***************************************/

int
main( int    argc,
	  char * argv[ ] )
{
    FL_IOPT aa;
    unsigned int mask = FL_PDVisual;

    aa.vclass = FL_DefaultVisual;
    fl_set_defaults( mask, &aa );

    fl_initialize( &argc, argv, "FormDemo", 0, 0 );

    create_form_pup( );

    /* initialize */

    fl_set_object_posthandler( b1, post );
    fl_set_object_posthandler( b2, post );
    fl_set_object_posthandler( b3, post );

    fl_show_form( pup, FL_PLACE_MOUSE, FL_TRANSIENT, "PupDemo" );
    init_menu( );

    fl_do_forms( );

    return 0;
}


/* post-handler */

/***************************************
 ***************************************/

int
post( FL_OBJECT * ob,
	  int         ev,
	  FL_Coord    mx   FL_UNUSED_ARG,
	  FL_Coord    my   FL_UNUSED_ARG,
	  int         key  FL_UNUSED_ARG,
	  void      * xev  FL_UNUSED_ARG )
{
    static int n1 = -1,
		       n2 = -1;

    if ( n1 == -1 )
    {
		n1 = fl_defpup( FL_ObjWin( ob ), "line1|line2" );
		fl_setpup_shadow( n1, 0 );
		fl_setpup_bw( n1, 0 );
		fl_setpup_pad( n1, 3, 0 );

		n2 = fl_defpup( FL_ObjWin( ob ), "button1|button2" );
		fl_setpup_shadow( n2, 0 );
		fl_setpup_bw( n2, -1 );
		fl_setpup_pad( n2, 3, 0 );
    }

    if ( ev == FL_ENTER )
    {
		if ( ob == b3 )
			fl_show_oneliner( "button3", ob->form->x + ob->x + 5,
							  ob->form->y + ob->y + ob->h + 5 );
		else
		{
			fl_setpup_position( ob->form->x+ob->x,
								ob->form->y + ob->y + ob->h + 5 );
			fl_showpup( ob == b1 ? n1 : n2 );
       }
    }
    else if ( ev == FL_LEAVE )
    {
		if ( ob == b3 )
			fl_hide_oneliner( );
		else
			fl_hidepup( ob == b1 ? n1 : n2 );
    }

    return 0;
}


/***************************************
 ***************************************/

void
show_return_val( FL_POPUP_RETURN *r )
{
    char buf[ 128 ];

    if ( r )
		sprintf( buf, "Returned %ld (%s)", r->val, r->label );
    else
       sprintf( buf, "Nothing returned" );

    fl_set_object_label( pret, buf );
}


/***************************************
 ***************************************/

int
style_cb( FL_POPUP_RETURN *r )
{
	int style,
		size,
		mod;

	fl_popup_entry_get_font( r->user_data, &style, &size );
	mod = style & ( FL_SHADOW_STYLE | FL_ENGRAVED_STYLE | FL_EMBOSSED_STYLE );
	fl_popup_entry_set_font( r->user_data, r->val | mod, size );
	return FL_IGNORE;
}


/***************************************
 ***************************************/

int
size_cb( FL_POPUP_RETURN *r )
{
	int style;

	fl_popup_entry_get_font( r->user_data, &style, NULL );
	fl_popup_entry_set_font( r->user_data, style, r->val );
	fl_popup_get_title_font( r->user_data, &style, NULL );
	fl_popup_set_title_font( r->user_data, style, r->val );
	return FL_IGNORE;
}


/***************************************
 ***************************************/

int
mod_cb( FL_POPUP_RETURN *r )
{
	int style,
		size;

	fl_popup_entry_get_font( r->user_data, &style, &size );
	style &= ~ ( FL_SHADOW_STYLE | FL_ENGRAVED_STYLE | FL_EMBOSSED_STYLE );
	fl_popup_entry_set_font( r->user_data, style | r->val, size );
	return FL_IGNORE;
}


/***************************************
 ***************************************/

int
pol_cb( FL_POPUP_RETURN *r )
{
	FL_POPUP_ENTRY *e;

	for ( e = r->popup->entries; e != NULL; e = e->next )
		if ( e != r->entry )
			fl_popup_entry_clear_state( e, FL_POPUP_CHECKED );
	fl_popup_set_policy( r->user_data, r->val );
	return FL_IGNORE;
}


/***************************************
 ***************************************/

void
do_pup( FL_OBJECT * ob,
		long        q  FL_UNUSED_ARG )
{
	static FL_POPUP *m = NULL,
		            *sm1,
		            *sm2,
		            *sm3,
		            *sm4;

	if ( m == NULL )
	{
		m   = fl_popup_add( FL_ObjWin( ob ), "Popup" );
		sm1 = fl_popup_add( FL_ObjWin( ob ), NULL );
		sm2 = fl_popup_add( FL_ObjWin( ob ), NULL );
		sm3 = fl_popup_add( FL_ObjWin( ob ), NULL );
		sm4 = fl_popup_add( FL_ObjWin( ob ), NULL );

		fl_popup_add_entries( sm4, "FL_POPUP_NORMAL_SELECT%T%x%u%f",
							  FL_POPUP_NORMAL_SELECT, m, pol_cb );
		fl_popup_add_entries( sm4, "FL_POPUP_DRAG_SELECT%t%x%u%f",
							  FL_POPUP_DRAG_SELECT, m, pol_cb );

		fl_popup_add_entries( sm3, "None%x%R%u%f",
							  0, 1, m, mod_cb );
		fl_popup_add_entries( sm3, "FL_SHADOW_STYLE%x%r%u%f",
							  FL_SHADOW_STYLE, 1, m, mod_cb );
		fl_popup_add_entries( sm3, "FL_ENGRAVED_STYLE%x%r%u%f",
							  FL_ENGRAVED_STYLE, 1, m, mod_cb );
		fl_popup_add_entries( sm3, "FL_EMBOSSED_STYLE%x%r%u%f",
							  FL_EMBOSSED_STYLE, 1, m, mod_cb );

		fl_popup_add_entries( sm1, "FL_NORMAL_STYLE%Sn%x%R%u%f%s",
							  FL_NORMAL_STYLE, 1, m, style_cb, "n" );
		fl_popup_add_entries( sm1, "FL_BOLD_STYLE%Sb%x%r%u%f%s",
							  FL_BOLD_STYLE, 1, m, style_cb, "b" );
		fl_popup_add_entries( sm1, "FL_ITALIC_STYLE%Si%x%r%u%f%s",
							  FL_ITALIC_STYLE, 1, m, style_cb, "i" );
		fl_popup_add_entries( sm1, "FL_BOLDITALIC_STYLE%SI%x%r%u%f%s",
							  FL_BOLDITALIC_STYLE, 1, m, style_cb, "I" );
		fl_popup_add_entries( sm1, "%l|Font modifier%Sm%m%s", sm3, "m" );

		fl_popup_add_entries( sm2, "FL_TINY_SIZE%x%r%u%f",
							  FL_TINY_SIZE, 1, m, size_cb );
		fl_popup_add_entries( sm2, "FL_SMALL_SIZE%x%r%u%f",
							  FL_SMALL_SIZE, 1, m, size_cb );
		fl_popup_add_entries( sm2, "FL_NORMAL_SIZE%x%R%u%f",
							  FL_NORMAL_SIZE, 1, m, size_cb );
		fl_popup_add_entries( sm2, "FL_MEDIUM_SIZE%x%r%u%f",
							  FL_MEDIUM_SIZE, 1, m, size_cb );
		fl_popup_add_entries( sm2, "FL_LARGE_SIZE%x%r%u%f",
							  FL_LARGE_SIZE, 1, m, size_cb );
		fl_popup_add_entries( sm2, "FL_HUGE_SIZE%x%r%u%f",
							  FL_HUGE_SIZE, 1, m, size_cb );

		fl_popup_add_entries( m, "Font style%m", sm1 );
		fl_popup_add_entries( m, "Font size%m", sm2 );
		fl_popup_add_entries( m, "Policy%m", sm4 );

		fl_popup_set_min_width( m, 100 );
	}

	if ( fl_get_button_numb( ob ) >= FL_SHORTCUT )
		fl_popup_set_position( m, ob->form->x + ob->x,
							   ob->form->y + ob->y + ob->h );

	fl_popup_do( m );
}


/***************************************
 ***************************************/

void
init_menu( void )
{
	FL_POPUP *mm,
		     *smm;

	mm = fl_popup_add( fl_default_win( ), NULL );
	smm = fl_popup_add( fl_default_win( ), NULL );

	fl_popup_add_entries( smm, "SubItem1%x|SubItem2%x|SubItem3%x", 11, 12, 13 );
	fl_popup_add_entries( mm, "MenuItem1|MenuItem2%m|MenuItem3", smm );

    fl_set_nmenu_popup( menu, mm );
}


/***************************************
 ***************************************/

void
do_menu( FL_OBJECT * ob,
		 long        data  FL_UNUSED_ARG )
{
    char buf[ 128 ];

    if ( fl_get_menu( ob ) >= 0 )
       sprintf( buf, "%d (%s)", fl_get_menu( ob ), fl_get_menu_text( ob ) );
    else
       sprintf( buf, "%d", fl_get_menu( ob ) );

    fl_set_object_label( pret, buf );
}


/***************************************
 ***************************************/

void
done_cb( FL_OBJECT * ob    FL_UNUSED_ARG,
		 long        data  FL_UNUSED_ARG )
{
	fl_finish( );
	exit( 0 );
}


/***************************************
 ***************************************/

void create_form_pup( void )
{
	FL_OBJECT *obj;

	if ( pup )
		return;

	pup = fl_bgn_form( FL_UP_BOX, 260, 210 );

	fl_add_box( FL_UP_BOX, 0, 0, 260, 210, "" );

	done = obj = fl_add_button( FL_NORMAL_BUTTON, 150, 150, 90, 35, "Done" );
    fl_set_object_callback( obj, done_cb, 0 );

	obj = fl_add_button( FL_MENU_BUTTON, 30, 90, 100, 30, "PopUp" );
	fl_set_button_shortcut( obj, "Pp#p", 1 );
	fl_set_object_callback( obj, do_pup, 0 );

	menu = obj = fl_add_nmenu( FL_NORMAL_NMENU, 160, 95, 60, 25, "Menu" );
	fl_set_button_shortcut( obj, "Mm#m", 1 );
	fl_set_object_callback( obj, do_menu, 0 );

	pret = obj = fl_add_text( FL_NORMAL_TEXT, 20, 60, 220, 30, "" );
    fl_set_object_lalign( obj, FL_ALIGN_CENTER );

	b1 = fl_add_button( FL_NORMAL_BUTTON,  20, 10, 60, 30, "Button1" );
	b2 = fl_add_button( FL_NORMAL_BUTTON,  90, 10, 60, 30, "Button2" );
	b3 = fl_add_button( FL_NORMAL_BUTTON,  160, 10, 60, 30, "Button3" );

	fl_end_form( );
}