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/***************************************************************************
value.c - description
-------------------
begin : Sun Sep 23 2001
copyright : (C) 2001 by Michael Speck
email : kulkanie@gmx.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <ctype.h>
#include "manager.h"
/*
====================================================================
Locals
====================================================================
*/
/*
====================================================================
Update val_str if not ITEM_VALUE
====================================================================
*/
void value_update_str( Value *value )
{
switch ( value->type ) {
case VALUE_RANGE_INT: sprintf( value->val_str, "%i", *value->val_int ); break;
case VALUE_RANGE_STR: sprintf( value->val_str, "%s", value->names[*value->val_int] ); break;
case VALUE_KEY:
if ( value->grab ) { strcpy( value->val_str, "???" ); break; }
switch ( *value->val_int ) {
case SDLK_SPACE: strcpy( value->val_str, _("Space") ); break;
case SDLK_LEFT: strcpy( value->val_str, _("Left") ); break;
case SDLK_RIGHT: strcpy( value->val_str, _("Right") ); break;
case SDLK_UP: strcpy( value->val_str, _("Up") ); break;
case SDLK_DOWN: strcpy( value->val_str, _("Down") ); break;
case SDLK_RSHIFT: strcpy( value->val_str, _("Right Shift") ); break;
case SDLK_LSHIFT: strcpy( value->val_str, _("Left Shift") ); break;
case SDLK_RCTRL: strcpy( value->val_str, _("Right Ctrl") ); break;
case SDLK_LCTRL: strcpy( value->val_str, _("Left Ctrl") ); break;
case SDLK_RALT: strcpy( value->val_str, _("Right Alt") ); break;
case SDLK_LALT: strcpy( value->val_str, _("Left Alt") ); break;
case SDLK_INSERT: strcpy( value->val_str, _("Insert") ); break;
case SDLK_END: strcpy( value->val_str, _("End") ); break;
case SDLK_PAGEUP: strcpy( value->val_str, _("PageUp") ); break;
case SDLK_PAGEDOWN: strcpy( value->val_str, _("PageDown") ); break;
case SDLK_HOME: strcpy( value->val_str, _("Home") ); break;
default:
if ( *value->val_int >= SDLK_a && *value->val_int <= SDLK_z )
sprintf( value->val_str, "'%c'", (char)toupper( *value->val_int ) );
else
if ( *value->val_int >= SDLK_0 && *value->val_int <= SDLK_9 )
sprintf( value->val_str, "'%i'", *value->val_int - 48 );
else
if ( *value->val_int >= SDLK_KP0 && *value->val_int <= SDLK_KP9 )
sprintf( value->val_str, "'Pad %i'", *value->val_int - 256 );
else
sprintf( value->val_str, "%i", *value->val_int );
break;
}
break;
}
}
/*
====================================================================
Create basic value
====================================================================
*/
Value *value_create_basic( int type, int *val_int )
{
Value *value = calloc( 1, sizeof( Value ) );
value->type = type;
value->val_int = val_int;
/* if not VALUE_EDIT create val_str which carries translated val_int */
if ( type != VALUE_EDIT ) value->val_str = calloc( 256, sizeof( char ) );
return value;
}
/*
====================================================================
Publics
====================================================================
*/
/*
====================================================================
Auxiliary functions to setup a key filter.
====================================================================
*/
void filter_clear( int *filter )
{
memset( filter, 0, sizeof( int ) * SDLK_LAST );
}
void filter_set( int *filter, int first, int last, int allowed )
{
int i;
for ( i = first; i <= last; i++ )
filter[i] = allowed;
}
/*
====================================================================
Create a value. names and filter are duplicated and freed by
value_delete().
Return Value: value
====================================================================
*/
Value *value_create_empty()
{
return value_create_basic( VALUE_NONE, 0 );
}
Value *value_create_range_int( int *val_int, int min, int max, int step )
{
Value *value = value_create_basic( VALUE_RANGE_INT, val_int );
value->min = min; value->max = max; value->step = step;
value_update_str( value );
return value;
}
Value *value_create_range_str( int *val_int, char **names, int count )
{
int i;
Value *value = value_create_basic( VALUE_RANGE_STR, val_int );
value->min = 0; value->max = count - 1; value->step = 1;
/* duplicate names */
value->name_count = count;
value->names = calloc( count, sizeof( char* ) );
for ( i = 0; i < count; i++ )
value->names[i] = strdup( names[i] );
value_update_str( value );
return value;
}
Value *value_create_key( int *val_int, int *filter )
{
int i;
Value *value = value_create_basic( VALUE_KEY, val_int );
/* duplicate filter */
value->filter = calloc( SDLK_LAST, sizeof( int ) );
for ( i = 0; i < SDLK_LAST; i++ ) value->filter[i] = filter[i];
value_update_str( value );
/* list of other key values */
value->other_keys = list_create( LIST_NO_AUTO_DELETE, LIST_NO_CALLBACK );
return value;
}
Value *value_create_edit( char *val_str, int limit )
{
Value *value = value_create_basic( VALUE_EDIT, 0 );
value->val_str = val_str;
value->max = limit;
return value;
}
/*
====================================================================
Delete a value
====================================================================
*/
void value_delete( Value *value )
{
int i;
if ( !value ) return;
if ( value->filter ) free( value->filter );
if ( value->names ) {
for ( i = 0; i < value->name_count; i++ )
if ( value->names[i] ) free( value->names[i] );
free( value->names );
}
if ( value->type != VALUE_EDIT && value->val_str ) free( value->val_str );
if ( value->other_keys ) list_delete( value->other_keys );
free( value );
}
/*
====================================================================
Increase, decrease if range.
====================================================================
*/
void value_dec( Value *value )
{
*value->val_int -= value->step;
if ( *value->val_int < value->min ) *value->val_int = value->max;
value_update_str( value );
}
void value_inc( Value *value )
{
*value->val_int += value->step;
if ( *value->val_int > value->max ) *value->val_int = value->min;
value_update_str( value );
}
/*
====================================================================
Grab input of VALUE_KEY
====================================================================
*/
void value_grab( Value *value )
{
if ( value->type == VALUE_KEY ) {
value->grab = 1;
value_update_str( value );
}
}
/*
====================================================================
Set key value if VALUE_KEY and clear grab flag
====================================================================
*/
void value_set_key( Value *value, int val_int )
{
Value *other_key;
if ( !value->filter[val_int] ) return;
list_reset( value->other_keys );
while ( ( other_key = list_next( value->other_keys ) ) )
if ( *other_key->val_int == val_int ) return;
/* ok, set */
*value->val_int = val_int;
value->grab = 0;
value_update_str( value );
}
/*
====================================================================
Edit string if VALUE_EDIT
====================================================================
*/
void value_edit( Value *value, int code, int unicode )
{
int length = strlen( value->val_str );
if ( code == SDLK_BACKSPACE && length > 0 )
value->val_str[length - 1] = 0;
else
if ( code >= 32 && code < 128 && length < value->max )
value->val_str[length] = unicode;
}
/*
====================================================================
Add another dynamically restricted key (as VALUE_KEY) to other_key
list.
====================================================================
*/
void value_add_other_key( Value *value, Value *other_key )
{
if ( value->type != VALUE_KEY ) return;
list_add( value->other_keys, other_key );
}
/*
====================================================================
Set a new name list (and update position) for VALUE_RANGE_STR.
====================================================================
*/
void value_set_new_names( Value *value, char **names, int count )
{
int i;
if ( value->type != VALUE_RANGE_STR ) return;
if ( value->names ) {
for ( i = 0; i < value->name_count; i++ )
if ( value->names[i] ) free( value->names[i] );
free( value->names );
}
value->name_count = count;
value->max = count - 1;
if ( *value->val_int > value->max ) *value->val_int = 0;
value->names = calloc( count, sizeof( char* ) );
for ( i = 0; i < count; i++ )
value->names[i] = strdup( names[i] );
value_update_str( value );
}
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