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/**
* $Id: $
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2008, Blender Foundation
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "DNA_text_types.h"
#include "BKE_text.h"
#include "BKE_suggestions.h"
static SuggList suggestions= {NULL, NULL, NULL, NULL};
static Text *suggText = NULL;
void free_suggestions() {
SuggItem *item;
for (item = suggestions.last; item; item=item->prev)
MEM_freeN(item);
suggestions.first = suggestions.last = NULL;
suggestions.firstmatch = suggestions.lastmatch = NULL;
}
void add_suggestion(const char *name, char type) {
SuggItem *newitem;
newitem = MEM_mallocN(sizeof(SuggItem) + strlen(name) + 1, "SuggestionItem");
if (!newitem) {
printf("Failed to allocate memory for suggestion.\n");
return;
}
newitem->name = (char *) (newitem + 1);
strcpy(newitem->name, name);
newitem->type = type;
newitem->prev = newitem->next = NULL;
if (!suggestions.first) {
suggestions.first = suggestions.last = newitem;
} else {
newitem->prev = suggestions.last;
suggestions.last->next = newitem;
suggestions.last = newitem;
}
}
void update_suggestions(const char *prefix) {
SuggItem *match, *first, *last;
int cmp, len = strlen(prefix);
if (!suggestions.first) return;
if (len==0) {
suggestions.firstmatch = suggestions.first;
suggestions.lastmatch = suggestions.last;
return;
}
first = last = NULL;
for (match=suggestions.first; match; match=match->next) {
cmp = strncmp(prefix, match->name, len);
if (cmp==0) {
if (!first)
first = match;
} else if (cmp<0) {
if (!last) {
last = match->prev;
break;
}
}
}
if (first) {
if (!last) last = suggestions.last;
suggestions.firstmatch = first;
suggestions.lastmatch = last;
} else {
suggestions.firstmatch = suggestions.lastmatch = NULL;
}
}
SuggItem *suggest_first() {
return suggestions.firstmatch;
}
SuggItem *suggest_last() {
return suggestions.lastmatch;
}
void set_suggest_text(Text *text) {
suggText = text;
}
void clear_suggest_text() {
free_suggestions();
suggText = NULL;
}
short is_suggest_active(Text *text) {
return suggText==text ? 1 : 0;
}
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