/* Copyright (C) 2002 Bjoern Beutel. */
/* Description. =============================================================*/
/* Read in and display Malaga Allomorphs. */
/* Includes. ================================================================*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <setjmp.h>
#include <string.h>
#include <gtk/gtk.h>
#include "basic.h"
#include "scanner.h"
#include "input.h"
#include "canvas.h"
#include "allomorphs.h"
/* Types. ===================================================================*/
typedef struct
{
list_node_t *next;
pos_string_t *index;
pos_string_t *surf;
pos_value_t *value;
} allomorph_t;
/* Global variables. ========================================================*/
rectangle_t allomorphs_geometry;
string_t allomorphs_font_family;
int_t allomorphs_font_size;
/* Variables. ===============================================================*/
static list_t allomorphs;
static canvas_t *allomorphs_canvas;
static pos_string_t *colon;
static bool_t in_line;
/* Functions. ===============================================================*/
static void
configure_allomorphs( canvas_t *canvas, int_t *width_p, int_t *height_p )
{
int_t width, height;
allomorph_t *allomorph;
int_t space_width = get_space_width( canvas );
int_t font_height = get_font_height( canvas );
int_t font_ascent = get_font_ascent( canvas );
int_t border_width = get_border_width( canvas );
height = border_width;
width = border_width;
config_pos_string( colon, canvas );
FOREACH( allomorph, allomorphs )
{
if (allomorph != (allomorph_t *) allomorphs.first)
height += font_height;
config_pos_string( allomorph->index, canvas );
allomorph->index->x = border_width;
colon->x = allomorph->index->x + allomorph->index->width;
config_pos_string( allomorph->surf, canvas );
allomorph->surf->x = colon->x + colon->width + space_width;
width = MAX( width, allomorph->surf->x + allomorph->surf->width );
config_pos_value( allomorph->value, canvas );
allomorph->value->x = allomorph->surf->x;
if (in_line)
{
allomorph->index->y = allomorph->surf->y =
height + allomorph->value->ascent - font_ascent;
allomorph->value->x += allomorph->surf->width + 2 * space_width;
}
else
{
allomorph->index->y = allomorph->surf->y = height;
height += font_height;
}
allomorph->value->y = height;
width = MAX( width, allomorph->value->x + allomorph->value->width );
height += allomorph->value->height;
}
*width_p = width + border_width;
*height_p = height + border_width;
}
/*---------------------------------------------------------------------------*/
static void
expose_allomorphs( canvas_t *canvas, rectangle_t *area )
{
allomorph_t *allomorph;
set_color( BLACK );
FOREACH( allomorph, allomorphs )
{
draw_pos_string( allomorph->index, canvas );
colon->x = allomorph->index->x + allomorph->index->width;
colon->y = allomorph->index->y;
draw_pos_string( colon, canvas );
draw_pos_string( allomorph->surf, canvas );
draw_pos_value( allomorph->value, canvas );
}
}
/*---------------------------------------------------------------------------*/
static void
free_allomorphs( canvas_t *canvas )
{
allomorph_t *allomorph;
free_pos_string( &colon );
FOREACH_FREE( allomorph, allomorphs )
{
free_pos_string( &allomorph->index );
free_pos_string( &allomorph->surf );
free_pos_value( &allomorph->value );
}
}
/*---------------------------------------------------------------------------*/
static void
set_in_line( canvas_t *canvas, guint action, GtkWidget *item )
{
in_line = GTK_CHECK_MENU_ITEM( item )->active;
configure_canvas( canvas );
}
/*---------------------------------------------------------------------------*/
static GtkItemFactoryEntry in_line_items[] =
{
{ "/Style/Inline", NULL, set_in_line, 0, "<ToggleItem>" }
};
/*---------------------------------------------------------------------------*/
void
read_allomorphs( void )
/* Read new allomorphs from STDIN. */
{
string_t line, string;
allomorph_t *allomorph;
free_allomorphs( NULL );
while (TRUE)
{
line = read_line( stdin );
if (line == NULL)
complain( "Premature EOF." );
if (strcmp_no_case( line, "end" ) == 0)
break;
/* Read a new allomorph. */
allomorph = new_node( &allomorphs, sizeof( allomorph_t ), LIST_END );
set_scanner_input( line );
/* Read allomorph index. */
string = int_to_string( token_number );
allomorph->index = new_pos_string( string );
free_mem( &string );
read_next_token();
/* Read allomorph surface. */
test_token( TOK_STRING );
string = new_string_readable( token_string, NULL );
allomorph->surf = new_pos_string( string );
free_mem( &string );
read_next_token();
/* Read allomorph value. */
parse_token( '{' );
allomorph->value = parse_pos_value();
parse_token( '}' );
parse_token( EOF );
set_scanner_input( NULL );
free_mem( &line );
}
free_mem( &line );
colon = new_pos_string( ":" );
if (allomorphs_canvas == NULL)
{
allomorphs_canvas = create_canvas(
"Malaga Allomorphs", "allomorphs.eps", &allomorphs_geometry,
configure_allomorphs, expose_allomorphs, free_allomorphs, NULL, TRUE,
in_line_items, ARRAY_LENGTH( in_line_items ) );
}
else
{
configure_canvas( allomorphs_canvas );
show_canvas( allomorphs_canvas );
}
}
/* End of file. =============================================================*/